Add bad examples

Update electron-builder
Prepare pre-release
2026-09-11 09:03:33 +00:00 · 2019-10-10 10:42:09 +02:00 · 2019-07-23 01:07:50 +02:00 · 2019-07-23 00:52:59 +02:00 · 2019-07-23 00:51:26 +02:00 · 2019-07-23 00:36:15 +02:00
213 changed files with 10288 additions and 7613 deletions
@@ -0,0 +1,48 @@
+{
+  "language": "en",
+  "words": [
+    "thomasnordquist",
+    "nowrap",
+    "subheader",
+    "basepath",
+    "webdriverio",
+    "repo",
+    "hexagonalize",
+    "pixelize",
+    "Transistions",
+    "squashfs",
+    "squashfs",
+    "provisionprofile",
+    "Nsis",
+    "Appx",
+    "Hashable",
+    "clickaway",
+    "Resizer",
+    "Subnodes",
+    "Unmount",
+    "Monokai",
+    "plottable",
+    "snackbar",
+    "webdriverio",
+    "prismjs",
+    "Nordquist",
+    "debounced",
+    "mosquitto",
+    "snapcraft",
+    "unsquashfs",
+    "armv",
+    "livingroom",
+    "selectall",
+    "toggledevtools",
+    "Octo",
+    "zigbee",
+    "memoization",
+    "submenu",
+    "AGPL",
+    "Oooooops",
+    "DEVTOOLS",
+    "mixins",
+    "Explorerdmg",
+    "heapsnapshot"
+  ]
+}
@@ -0,0 +1,5 @@
+# These are supported funding model platforms
+
+patreon: thomasnordquist
+custom: https://paypal.me/ThomasNordquist
+
@@ -7,3 +7,5 @@ build
 test.dot
 test.png
 .awcache
+.scannerwork
+screen*.png
@@ -0,0 +1,2 @@
+node_modules
+build
@@ -17,6 +17,8 @@ os:
  - linux
  - osx

+osx_image: xcode10.2
+
 dist: xenial

 services:
@@ -28,10 +30,11 @@ install:

 script:
  - yarn run build
+  - yarn lint
  - yarn test
  - export TRAVIS_BUILD_NUMBER="" # Override travis build number since it is uses for tagging the binary version https://github.com/electron-userland/electron-builder/issues/3730
  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then docker run -e GH_TOKEN=$GH_TOKEN -e GIT_TAG=$TRAVIS_TAG --rm -v `pwd`:/app thomasnordquist/ui-test-recording-env sh -c "cd app && docker/testMounted.sh"; fi
  - if [[ "$TRAVIS_TAG" != "" ]]; then yarn run prepare-release; fi
  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] && [[ "$TRAVIS_TAG" != "" ]]; then yarn run package linux; fi
  - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ "$TRAVIS_TAG" != "" ]]; then yarn run package -- mac; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ "$TRAVIS_TAG" != "" ]]; then yarn run package -- win; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ "$TRAVIS_TAG" != "" ]]; then unset CSC_LINK; yarn run package -- win; fi
@@ -0,0 +1,7 @@
+{
+  "editor.formatOnSave": true,
+  "files.exclude": {
+    "**/node_modules": true,
+    "build/": true
+  }
+}
@@ -1,125 +1,180 @@
 <!DOCTYPE html>
 <html>
-    <head>
-      <meta charset="UTF-8" />
-      <meta
-        name="viewport"
-        content="minimum-scale=1, initial-scale=1, width=device-width, shrink-to-fit=no"
-      >
-      <title>MQTT Explorer</title>
-      <script src="./bugtracking.bundle.js"></script>
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="minimum-scale=1, initial-scale=1, width=device-width, shrink-to-fit=no" />
+    <title>MQTT Explorer</title>
+    <script src="./bugtracking.bundle.js"></script>

-      <style>
-        body, html {
-          margin: 0;
-          padding: 0;
-        }
+    <style>
+      body,
+      html {
+        margin: 0;
+        padding: 0;
+      }

-        [tabindex] {
-          outline: none;
-        }
+      [tabindex] {
+        outline: none;
+      }

-        @keyframes updateDark {
-          0%   {background-color: none;}
-          25%  {background-color: #3f51b5;}
-          50%  {background-color: #3f51b5;}
-          100% {background-color: none;}
+      @keyframes updateDark {
+        0% {
+          background-color: none;
        }
+        25% {
+          background-color: #595585;
+        }
+        50% {
+          background-color: #595585;
+        }
+        100% {
+          background-color: none;
+        }
+      }

-        @keyframes updateLight {
-          0%   {background-color: none; color: inherit}
-          25%  {background-color: #bfc9c8; color: #000}
-          50%  {background-color: #bfc9c8; color: #000}
-          100% {background-color: none; color: inherit}
+      @keyframes updateLight {
+        0% {
+          background-color: none;
+          color: inherit;
        }
+        25% {
+          background-color: #c0c8c0;
+        }
+        50% {
+          background-color: #c0c8c0;
+        }
+        100% {
+          background-color: none;
+          color: inherit;
+        }
+      }

-        ::-webkit-scrollbar {
-          width: 8px;
-          height: 8px;
-        }
+      ::-webkit-scrollbar {
+        width: 8px;
+        height: 8px;
+      }

-        ::-webkit-scrollbar-corner {
-          background-color: rgba(0, 0, 0, 0.0);
-        }
+      ::-webkit-scrollbar-corner {
+        background-color: rgba(0, 0, 0, 0);
+      }

-        ::-webkit-scrollbar-track {
-          -webkit-box-shadow: inset 0 0 6px rgba(60,60,60,0.5);
-          background-color: rgba(140,140,140,0.1);
-        }
+      ::-webkit-scrollbar-track {
+        -webkit-box-shadow: inset 0 0 6px rgba(60, 60, 60, 0.5);
+        background-color: rgba(140, 140, 140, 0.1);
+      }

-        ::-webkit-scrollbar-thumb {
-          background-color: rgba(140,140,140,0.8);
-        }
-      </style>
-      <style>
-        .Resizer {
-            background: #eee;
-            opacity: .2;
-            z-index: 1;
-            -moz-box-sizing: border-box;
-            -webkit-box-sizing: border-box;
-            box-sizing: border-box;
-            -moz-background-clip: padding;
-            -webkit-background-clip: padding;
-            background-clip: padding-box;
-        }
+      ::-webkit-scrollbar-thumb {
+        background-color: rgba(140, 140, 140, 0.8);
+      }
+    </style>
+    <style>
+      .Resizer {
+        background: rgba(200, 200, 200, 0);
+        z-index: 10;
+        -moz-box-sizing: border-box;
+        -webkit-box-sizing: border-box;
+        box-sizing: border-box;
+        -moz-background-clip: padding;
+        -webkit-background-clip: padding;
+        background-clip: padding-box;
+      }

-        .Resizer:hover {
-            -webkit-transition: all 0.3s ease-out;
-            transition: all 0.3s ease-out;
-        }
+      .Resizer:hover {
+        -webkit-transition: all 0.3s ease-out;
+        transition: all 0.3s ease-out;
+      }

-        .Resizer.horizontal {
-            height: 11px;
-            margin: -5px 0;
-            border-top: 5px solid rgba(255, 255, 255, 0);
-            border-bottom: 5px solid rgba(255, 255, 255, 0);
-            cursor: row-resize;
-            width: 100%;
-        }
+      .Resizer.horizontal {
+        height: 10px;
+        margin: -10px 0 0 0;
+        border-top: 5px solid rgba(255, 255, 255, 0);
+        border-bottom: 5px solid rgba(255, 255, 255, 0);
+        cursor: row-resize;
+        width: 100%;
+      }

-        .Resizer.horizontal:hover {
-            border-top: 5px solid rgba(120, 120, 120, 0.5);
-            border-bottom: 5px solid rgba(120, 120, 120, 0.5);
-        }
+      .Resizer.horizontal::before {
+        content: '•••';
+        display: inline-block;
+        vertical-align: middle;
+        text-align: center;
+        width: 100%;
+        margin-top: -22px;
+        color: #aaa;
+        opacity: 1;
+      }

-        .Resizer.vertical {
-            width: 2px;
-            margin: 0px -8px 0px 0px;
-            border-left: 4px solid rgba(128, 128, 128, 0);
-            border-right: 4px solid rgba(128, 128, 128, 0);
-            cursor: col-resize;
-        }
+      .Resizer.horizontal:hover {
+        border-top: 5px solid rgba(120, 120, 120, 0.3);
+        border-bottom: 5px solid rgba(120, 120, 120, 0.3);
+      }

-        .Resizer.vertical:hover {
-            border-left: 4px solid rgba(130, 130, 130, 1);
-            border-right: 4px solid rgba(140, 140, 140, 1);
-        }
+      .Resizer.vertical {
+        width: 2px;
+        margin: 0px -8px 0px 0px;
+        border-left: 0px solid rgba(128, 128, 128, 0);
+        border-right: 8px solid rgba(128, 128, 128, 0);
+        cursor: col-resize;
+      }

-        .Resizer.disabled {
-          cursor: not-allowed;
-        }
-        .Resizer.disabled:hover {
-          border-color: transparent;
-        }
+      .Resizer.vertical::before {
+        content: '•••';
+        margin-left: -11px;
+        height: 3em;
+        margin-top: calc(50vh - 32px);
+        display: inline-block;
+        vertical-align: middle;
+        text-align: center;
+        color: #aaa;
+        opacity: 1;
+        writing-mode: vertical-lr;
+        text-orientation: sideways;
+      }

-      </style>
-    </head>
-    <body>
-        <div id="app" style="font:-webkit-control"></div>
-        <script>
-            function loadScript(path) {
-              var script = document.createElement("script");
-              script.src = path
-              document.head.appendChild(script);
-            }
-    
-            document.addEventListener('DOMContentLoaded', onLoad(), false);
-            function onLoad() {
-              // <% _.forEach(htmlWebpackPlugin.files.js, function(file) { %>loadScript("<%- file %>");<% }); %>
-              // loadScript("<%= JSON.stringify(htmlWebpackPlugin) %>")
-            }
-          </script>
-          <% _.forEach(htmlWebpackPlugin.files.js, function(file) { %><script src="<%- file %>"></script><% }); %>
-    </body>
+      .Resizer.vertical:hover {
+        border-left: 0px solid rgba(130, 130, 130, 0.3);
+        border-right: 8px solid rgba(140, 140, 140, 0.3);
+      }
+
+      .Resizer.disabled {
+        cursor: not-allowed;
+      }
+      .Resizer.disabled:hover {
+        border-color: transparent;
+      }
+
+      .example-enter {
+        opacity: 0;
+      }
+      .example-enter-active {
+        opacity: 1;
+        transition: opacity 300ms ease-in;
+      }
+      .example-exit {
+        opacity: 1;
+      }
+      .example-exit-active {
+        opacity: 0;
+        transition: opacity 300ms ease-in;
+      }
+    </style>
+  </head>
+  <body>
+    <div id="app" style="font:-webkit-control"></div>
+    <script>
+      function loadScript(path) {
+        var script = document.createElement('script')
+        script.src = path
+        document.head.appendChild(script)
+      }
+
+      document.addEventListener('DOMContentLoaded', onLoad(), false)
+      function onLoad() {
+        // <% _.forEach(htmlWebpackPlugin.files.js, function(file) { %>loadScript("<%- file %>");<% }); %>
+        // loadScript("<%= JSON.stringify(htmlWebpackPlugin) %>")
+      }
+    </script>
+    <% _.forEach(htmlWebpackPlugin.files.js, function(file) { %><script src="<%- file %>"></script
+    ><% }); %>
+  </body>
 </html>
@@ -6,23 +6,29 @@
  "scripts": {
    "build": "yarn rebuild && webpack --mode production",
    "dev": "node_modules/.bin/webpack-dev-server --mode development --progress",
-    "rebuild": "cd node_modules/heapdump && node-gyp rebuild --target=5.0.0 --arch=x64 --dist-url=https://atom.io/download/electron || echo Could not build heapdump; cd -"
+    "rebuild": "cd node_modules/heapdump && node-gyp rebuild --target=5.0.7 --arch=x64 --dist-url=https://atom.io/download/electron || echo Could not build heapdump; cd -"
  },
  "author": "",
  "license": "CC-BY-ND-4.0",
  "dependencies": {
-    "@material-ui/core": "^4.0.0-alpha.6",
-    "@material-ui/icons": "^4.0.0-alpha.1",
-    "@material-ui/lab": "^4.0.0-alpha.6",
-    "@material-ui/styles": "^4.0.0-alpha.6",
+    "@material-ui/core": "^4",
+    "@material-ui/icons": "^4",
+    "@material-ui/lab": "^4.0.0-alpha",
+    "@material-ui/styles": "^4",
+    "@types/react-transition-group": "^2.9.2",
+    "axios": "^0.19.0",
    "brace": "^0.11.1",
    "compare-versions": "^3.4.0",
-    "copy-text-to-clipboard": "^1.0.4",
+    "copy-text-to-clipboard": "^2.1.0",
+    "d3": "^5.9.2",
+    "d3-shape": "^1.3.5",
    "diff": "^4.0.1",
+    "dot-prop": "^5.0.0",
    "electron-telemetry": "git+https://github.com/thomasnordquist/electron-telemetry.git#dist",
-    "file-loader": "^3.0.1",
+    "file-loader": "^4.0.0",
    "get-value": "^3.0.1",
    "immutable": "^4.0.0-rc.12",
+    "in-viewport": "^3.6.0",
    "js-base64": "^2.5.1",
    "json-to-ast": "^2.1.0",
    "lodash.debounce": "^4.0.8",
@@ -30,13 +36,15 @@
    "moment": "^2.24.0",
    "moving-average": "^1.0.0",
    "number-abbreviate": "^2.0.0",
+    "parse-duration": "^0.1.1",
    "prismjs": "^1.15.0",
    "react": "16.8",
-    "react-ace": "^6.3.2",
+    "react-ace": "^7.0.1",
    "react-dom": "^16.7.0",
-    "react-redux": "^6.0.0",
-    "react-resize-detector": "^3.4.0",
+    "react-redux": "^7.0.3",
+    "react-resize-detector": "^4.1.4",
    "react-split-pane": "^0.1.85",
+    "react-transition-group": "^4.1.1",
    "react-vis": "^1.11.6",
    "redux": "^4.0.1",
    "redux-batched-actions": "^0.4.1",
@@ -46,20 +54,21 @@
    "uuid": "^3.3.2"
  },
  "devDependencies": {
+    "@types/d3": "^5.7.2",
    "@types/diff": "^4.0.1",
    "@types/get-value": "^3.0.1",
-    "@types/node": "^10.12.18",
+    "@types/node": "^12.0.4",
    "@types/prismjs": "^1.9.1",
    "@types/react": "^16.7.18",
    "@types/react-dom": "^16.0.11",
-    "@types/react-redux": "^6.0.12",
-    "@types/react-resize-detector": "^3.1.0",
+    "@types/react-redux": "^7.0.9",
+    "@types/react-resize-detector": "^4.0.1",
    "@types/sha1": "^1.1.1",
    "@types/socket.io-client": "^1.4.32",
    "@types/uuid": "^3.4.4",
    "@types/vis": "^4.21.9",
    "awesome-typescript-loader": "^5.2.1",
-    "css-loader": "^2.1.0",
+    "css-loader": "^3.0.0",
    "hard-source-webpack-plugin": "^0.13.1",
    "heapdump": "^0.3.12",
    "html-webpack-plugin": "^4.0.0-beta.5",
@@ -71,5 +80,8 @@
    "webpack-bundle-analyzer": "^3.0.3",
    "webpack-cli": "^3.1.2",
    "webpack-dev-server": "^3.1.14"
+  },
+  "peerDependencies": {
+    "electron": "^5.0.5"
  }
 }
@@ -0,0 +1,128 @@
+import { Action, ActionTypes, ChartParameters } from '../reducers/Charts'
+import { AppState } from '../reducers'
+import { default as persistentStorage, StorageIdentifier } from '../utils/PersistentStorage'
+import { Dispatch } from 'redux'
+import { showError, showNotification } from './Global'
+
+interface ConnectionViewState {
+  charts: Array<ChartParameters>
+}
+
+interface ConnectionViewStateDictionary {
+  [s: string]: ConnectionViewState
+}
+const connectionViewStateIdentifier: StorageIdentifier<ConnectionViewStateDictionary> = {
+  id: 'connection_view_state',
+}
+
+export const loadCharts = () => async (dispatch: Dispatch<any>, getState: () => AppState) => {
+  const connectionId = getState().connection.connectionId
+  if (!connectionId) {
+    return
+  }
+
+  let viewStates: ConnectionViewStateDictionary | undefined
+  try {
+    viewStates = await persistentStorage.load(connectionViewStateIdentifier)
+  } catch (error) {
+    dispatch(showError(error))
+  }
+
+  if (!viewStates || !viewStates[connectionId]) {
+    dispatch(setCharts([]))
+    return
+  }
+
+  const viewState = viewStates[connectionId]
+  if (viewState) {
+    dispatch(setCharts(viewState.charts))
+  }
+}
+
+export const saveCharts = () => async (dispatch: Dispatch<any>, getState: () => AppState) => {
+  const connectionId = getState().connection.connectionId
+  if (!connectionId) {
+    return
+  }
+
+  const charts = getState()
+    .charts.get('charts')
+    .toArray()
+
+  let viewStates: ConnectionViewStateDictionary | undefined
+  try {
+    viewStates = (await persistentStorage.load(connectionViewStateIdentifier)) || {}
+    const state: ConnectionViewState = viewStates[connectionId] || { charts: [] }
+    state.charts = charts
+
+    viewStates[connectionId] = state
+    await persistentStorage.store(connectionViewStateIdentifier, viewStates)
+  } catch (error) {
+    dispatch(showError(error))
+  }
+}
+
+export const addChart = (chartParameters: ChartParameters) => async (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+) => {
+  const chartExists = Boolean(
+    getState()
+      .charts.get('charts')
+      .find(chart => chart.topic === chartParameters.topic && chart.dotPath === chartParameters.dotPath)
+  )
+  if (chartExists) {
+    dispatch(showNotification('Already added'))
+    return
+  }
+
+  dispatch({
+    type: ActionTypes.CHARTS_ADD,
+    chart: chartParameters,
+  })
+  dispatch(saveCharts())
+  dispatch(showNotification('Added to chart panel'))
+}
+
+export const updateChart = (chartParameters: ChartParameters) => async (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+) => {
+  dispatch({
+    type: ActionTypes.CHARTS_UPDATE,
+    topic: chartParameters.topic,
+    dotPath: chartParameters.dotPath,
+    parameters: chartParameters,
+  })
+  dispatch(saveCharts())
+}
+
+export const removeChart = (chartParameters: ChartParameters) => async (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+) => {
+  dispatch({
+    chart: chartParameters,
+    type: ActionTypes.CHARTS_REMOVE,
+  })
+  dispatch(saveCharts())
+}
+
+export const moveChartUp = (parameters: { topic: string; dotPath?: string }) => async (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+) => {
+  dispatch({
+    topic: parameters.topic,
+    dotPath: parameters.dotPath,
+    type: ActionTypes.CHARTS_MOVE_UP,
+  })
+  dispatch(saveCharts())
+}
+
+export const setCharts = (charts: Array<ChartParameters>): Action => {
+  return {
+    charts,
+    type: ActionTypes.CHARTS_SET,
+  }
+}
@@ -9,21 +9,18 @@ import { globalActions } from '.'
 import { resetStore as resetTreeStore, showTree } from './Tree'
 import { showError } from './Global'
 import { TopicViewModel } from '../model/TopicViewModel'
-import {
-  addMqttConnectionEvent,
-  makeConnectionStateEvent,
-  removeConnection,
-  rendererEvents,
-} from '../../../events'
+import { addMqttConnectionEvent, makeConnectionStateEvent, removeConnection, rendererEvents } from '../../../events'

-export const connect = (options: MqttOptions, connectionId: string) => (dispatch: Dispatch<any>, getState: () => AppState) => {
+export const connect = (options: MqttOptions, connectionId: string) => (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+) => {
  dispatch(connecting(connectionId))
  rendererEvents.emit(addMqttConnectionEvent, { options, id: connectionId })
  const event = makeConnectionStateEvent(connectionId)
  const host = url.parse(options.url).hostname

-  rendererEvents.subscribe(event, (dataSourceState) => {
-    console.log(dataSourceState)
+  rendererEvents.subscribe(event, dataSourceState => {
    if (dataSourceState.connected) {
      const didReconnect = Boolean(getState().connection.tree)
      if (!didReconnect) {
@@ -59,7 +56,10 @@ const updateHealth = (dataSourceState: DataSourceState) => (dispatch: Dispatch<a
  })
 }

-export const connected: (tree: q.Tree<TopicViewModel>, host: string) => Action = (tree: q.Tree<TopicViewModel>, host: string) => ({
+export const connected: (tree: q.Tree<TopicViewModel>, host: string) => Action = (
+  tree: q.Tree<TopicViewModel>,
+  host: string
+) => ({
  tree,
  host,
  type: ActionTypes.CONNECTION_SET_CONNECTED,
@@ -1,6 +1,11 @@
 import { AppState } from '../reducers'
 import { clearLegacyConnectionOptions, loadLegacyConnectionOptions } from '../model/LegacyConnectionSettings'
-import { ConnectionOptions, createEmptyConnection, makeDefaultConnections, CertificateParameters } from '../model/ConnectionOptions'
+import {
+  ConnectionOptions,
+  createEmptyConnection,
+  makeDefaultConnections,
+  CertificateParameters,
+} from '../model/ConnectionOptions'
 import { default as persistentStorage, StorageIdentifier } from '../utils/PersistentStorage'
 import { Dispatch } from 'redux'
 import { showError } from './Global'
@@ -8,12 +13,12 @@ import { remote } from 'electron'
 import * as fs from 'fs'
 import * as path from 'path'

-import {
-  ActionTypes,
-  Action,
-} from '../reducers/ConnectionManager'
+import { ActionTypes, Action } from '../reducers/ConnectionManager'

-const storedConnectionsIdentifier: StorageIdentifier<{[s: string]: ConnectionOptions}> = {
+interface ConnectionDictionary {
+  [s: string]: ConnectionOptions
+}
+const storedConnectionsIdentifier: StorageIdentifier<ConnectionDictionary> = {
  id: 'ConnectionManager_connections',
 }

@@ -37,15 +42,19 @@ export const loadConnectionSettings = () => async (dispatch: Dispatch<any>, getS
  }
 }

-export const selectCertificate = (connectionId: string) => async (dispatch: Dispatch<any>, getState: () => AppState) => {
+export type CertificateTypes = 'selfSignedCertificate' | 'clientCertificate' | 'clientKey'
+export const selectCertificate = (type: CertificateTypes, connectionId: string) => async (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+) => {
  try {
    const certificate = await openCertificate()
-    console.log(certificate)
-    dispatch(updateConnection(connectionId, {
-      selfSignedCertificate: certificate,
-    }))
+    dispatch(
+      updateConnection(connectionId, {
+        [type]: certificate,
+      })
+    )
  } catch (error) {
-    console.log(error)
    dispatch(showError(error))
  }
 }
@@ -57,30 +66,33 @@ async function openCertificate(): Promise<CertificateParameters> {
  }

  return new Promise((resolve, reject) => {
-    remote.dialog.showOpenDialog({ properties: ['openFile'], securityScopedBookmarks: true }, (filePaths?: Array<string>) => {
-      const selectedFile = filePaths && filePaths[0]
-      if (!selectedFile) {
-        reject(rejectReasons.noCertificateSelected)
-        return
-      }
-
-      fs.readFile(selectedFile, (error, data) => {
-        if (error) {
-          reject(error)
+    remote.dialog.showOpenDialog(
+      { properties: ['openFile'], securityScopedBookmarks: true },
+      (filePaths?: Array<string>) => {
+        const selectedFile = filePaths && filePaths[0]
+        if (!selectedFile) {
+          reject(rejectReasons.noCertificateSelected)
          return
        }

-        if (data.length > 16_384 || data.length < 128) {
-          reject(rejectReasons.certificateSizeDoesNotMatch)
-          return
-        }
+        fs.readFile(selectedFile, (error, data) => {
+          if (error) {
+            reject(error)
+            return
+          }

-        resolve({
-          data: data.toString('base64'),
-          name: path.basename(selectedFile),
+          if (data.length > 16_384 || data.length < 128) {
+            reject(rejectReasons.certificateSizeDoesNotMatch)
+            return
+          }
+
+          resolve({
+            data: data.toString('base64'),
+            name: path.basename(selectedFile),
+          })
        })
-      })
-    })
+      }
+    )
  })
 }

@@ -117,7 +129,7 @@ export const createConnection = () => (dispatch: Dispatch<any>) => {
  dispatch(selectConnection(newConnection.id))
 }

-export const setConnections = (connections: {[s: string]: ConnectionOptions}): Action => ({
+export const setConnections = (connections: { [s: string]: ConnectionOptions }): Action => ({
  connections,
  type: ActionTypes.CONNECTION_MANAGER_SET_CONNECTIONS,
 })
@@ -132,10 +144,14 @@ export const addConnection = (connection: ConnectionOptions): Action => ({
  type: ActionTypes.CONNECTION_MANAGER_ADD_CONNECTION,
 })

-export const toggleAdvancedSettings = (): Action  => ({
+export const toggleAdvancedSettings = (): Action => ({
  type: ActionTypes.CONNECTION_MANAGER_TOGGLE_ADVANCED_SETTINGS,
 })

+export const toggleCertificateSettings = (): Action => ({
+  type: ActionTypes.CONNECTION_MANAGER_TOGGLE_CERTIFICATE_SETTINGS,
+})
+
 export const deleteConnection = (connectionId: string) => (dispatch: Dispatch<any>, getState: () => AppState) => {
  const connectionIds = Object.keys(getState().connectionManager.connections)
  const connectionIdLocation = connectionIds.indexOf(connectionId)
@@ -155,16 +171,44 @@ export const deleteConnection = (connectionId: string) => (dispatch: Dispatch<an
 }

 async function ensureConnectionsHaveBeenInitialized() {
-  const connections = await persistentStorage.load(storedConnectionsIdentifier)
+  let connections = await persistentStorage.load(storedConnectionsIdentifier)
  const requiresInitialization = !connections
  if (requiresInitialization) {
    const migratedConnection = loadLegacyConnectionOptions()
    const defaultConnections = makeDefaultConnections()
-    persistentStorage.store(storedConnectionsIdentifier, {
+    connections = {
      ...migratedConnection,
      ...defaultConnections,
-    })
+    }
+    await persistentStorage.store(storedConnectionsIdentifier, connections)

    clearLegacyConnectionOptions()
  }
+
+  // Migrate connections, rewrite dictionary to "keep" it "ordered" (dictionaries do not have a guaranteed order)
+  const mayNeedMigrations = connections && connections['iot.eclipse.org']
+  if (connections && mayNeedMigrations) {
+    let newConnections = {}
+    for (const connection of Object.values(connections)) {
+      addMigratedConnection(newConnections, connection)
+    }
+
+    await persistentStorage.store(storedConnectionsIdentifier, newConnections)
+  }
+}
+
+function addMigratedConnection(newConnections: { [key: string]: ConnectionOptions }, connection: ConnectionOptions) {
+  // The host has been renamed, only change the host if it has not been changed
+  // Also check for ssl since SSL is not yet working
+  if (
+    connection.id === 'iot.eclipse.org' &&
+    connection.host === 'iot.eclipse.org' &&
+    connection.port === 1883 &&
+    !connection.encryption
+  ) {
+    connection.id = 'mqtt.eclipse.org'
+    connection.host = 'mqtt.eclipse.org'
+    connection.name = 'mqtt.eclipse.org'
+  }
+  newConnections[connection.id] = connection
 }
@@ -1,4 +1,4 @@
-import { ActionTypes } from '../reducers/Global'
+import { ActionTypes, ConfirmationRequest } from '../reducers/Global'
 import { Dispatch } from 'redux'

 export const showError = (error?: string) => ({
@@ -20,3 +20,30 @@ export const toggleSettingsVisibility = () => (dispatch: Dispatch<any>) => {
    type: ActionTypes.toggleSettingsVisibility,
  })
 }
+
+export const requestConfirmation = (title: string, inquiry: string) => (dispatch: Dispatch<any>) => {
+  return new Promise(resolve => {
+    const confirmationRequest = {
+      title,
+      inquiry,
+      callback: (confirmed: boolean) => {
+        resolve(confirmed)
+        dispatch(removeConfirmationRequest(confirmationRequest))
+      },
+    }
+
+    dispatch({
+      confirmationRequest,
+      type: ActionTypes.requestConfirmation,
+    })
+  })
+}
+
+export const removeConfirmationRequest = (confirmationRequest: ConfirmationRequest) => (dispatch: Dispatch<any>) => {
+  return new Promise((resolve, reject) => {
+    dispatch({
+      confirmationRequest,
+      type: ActionTypes.removeConfirmationRequest,
+    })
+  })
+}
@@ -32,7 +32,7 @@ export const setEditorMode = (editorMode: string): Action => {
  }
 }

-export const publish = (connectionId: string) => (dispatch: Dispatch<Action>, getState: () => AppState)  => {
+export const publish = (connectionId: string) => (dispatch: Dispatch<Action>, getState: () => AppState) => {
  const state = getState()
  const topic = state.publish.topic

@@ -1,27 +1,23 @@
 import * as q from '../../../backend/src/Model'
+import { ActionTypes, SettingsStateModel, TopicOrder } from '../reducers/Settings'
 import { AppState } from '../reducers'
 import { autoExpandLimitSet } from '../components/SettingsDrawer/Settings'
+import { Base64Message } from '../../../backend/src/Model/Base64Message'
 import { batchActions } from 'redux-batched-actions'
 import { default as persistentStorage, StorageIdentifier } from '../utils/PersistentStorage'
 import { Dispatch } from 'redux'
+import { globalActions } from './'
 import { showError } from './Global'
 import { showTree } from './Tree'
 import { TopicViewModel } from '../model/TopicViewModel'
-import {
-  ActionTypes,
-  SettingsState,
-  TopicOrder,
-} from '../reducers/Settings'
-import { Base64Message } from '../../../backend/src/Model/Base64Message'
-import { globalActions } from '.'

-const settingsIdentifier: StorageIdentifier<Partial<SettingsState>> = {
+const settingsIdentifier: StorageIdentifier<Partial<SettingsStateModel>> = {
  id: 'Settings',
 }

 export const loadSettings = () => async (dispatch: Dispatch<any>, getState: () => AppState) => {
  try {
-    const settings = await persistentStorage.load(settingsIdentifier) || {}
+    const settings = (await persistentStorage.load(settingsIdentifier)) || {}
    dispatch({
      settings: getState().settings.merge(settings),
      type: ActionTypes.SETTINGS_DID_LOAD_SETTINGS,
@@ -102,26 +98,34 @@ export const filterTopics = (filterStr: string) => (dispatch: Dispatch<any>, get
  })

  if (!filterStr || !tree) {
-    dispatch(batchActions([setAutoExpandLimit(0), (showTree(tree) as any)]))
+    dispatch(batchActions([setAutoExpandLimit(0), showTree(tree) as any]))
    return
  }

  const topicFilter = filterStr.toLowerCase()

  const nodeFilter = (node: q.TreeNode<TopicViewModel>): boolean => {
-    const topicMatches = node.path().toLowerCase().indexOf(topicFilter) !== -1
+    const topicMatches =
+      node
+        .path()
+        .toLowerCase()
+        .indexOf(topicFilter) !== -1
    if (topicMatches) {
      return true
    }

-    const messageMatches = node.message
-      && node.message.value
-      && Base64Message.toUnicodeString(node.message.value).toLowerCase().indexOf(filterStr) !== -1
+    const messageMatches =
+      node.message &&
+      node.message.value &&
+      Base64Message.toUnicodeString(node.message.value)
+        .toLowerCase()
+        .indexOf(filterStr) !== -1

    return Boolean(messageMatches)
  }

-  const resultTree = tree.childTopics()
+  const resultTree = tree
+    .childTopics()
    .filter(nodeFilter)
    .map((node: q.TreeNode<TopicViewModel>) => {
      const clone = node.unconnectedClone()
@@ -138,16 +142,17 @@ export const filterTopics = (filterStr: string) => (dispatch: Dispatch<any>, get
    nextTree.updateWithConnection(tree.updateSource, tree.connectionId, nodeFilter)
  }

-  dispatch(batchActions([setAutoExpandLimit(autoExpandLimitForTree(nextTree)), (showTree(nextTree) as any)]))
+  dispatch(batchActions([setAutoExpandLimit(autoExpandLimitForTree(nextTree)), showTree(nextTree) as any]))
 }

 function autoExpandLimitForTree(tree: q.Tree<TopicViewModel>) {
  if (!tree) {
    return 0
  }
+
  function closestExistingLimit(i: number): number {
-    const sorted = autoExpandLimitSet.sort((a, b) => Math.abs(a.limit - i) - Math.abs(b.limit - i))
-    return sorted[0]!.limit
+    const sorted = [...autoExpandLimitSet].sort((a, b) => Math.abs(a.limit - i) - Math.abs(b.limit - i))
+    return sorted[0].limit
  }

  const count = tree.childTopicCount()
@@ -158,7 +163,10 @@ function autoExpandLimitForTree(tree: q.Tree<TopicViewModel>) {

 export const toggleTheme = () => (dispatch: Dispatch<any>, getState: () => AppState) => {
  dispatch({
-    type: getState().settings.get('theme') === 'light' ? ActionTypes.SETTINGS_SET_THEME_DARK : ActionTypes.SETTINGS_SET_THEME_LIGHT,
+    type:
+      getState().settings.get('theme') === 'light'
+        ? ActionTypes.SETTINGS_SET_THEME_DARK
+        : ActionTypes.SETTINGS_SET_THEME_LIGHT,
  })
  dispatch(storeSettings())
 }
@@ -2,7 +2,9 @@ import * as q from '../../../backend/src/Model'
 import { ActionTypes } from '../reducers/Sidebar'
 import { AppState } from '../reducers'
 import { Dispatch } from 'redux'
-import { makePublishEvent, rendererEvents } from '../../../events'
+import { clearTopic } from './clearTopic'
+
+export { clearTopic } from './clearTopic'

 export const clearRetainedTopic = () => (dispatch: Dispatch<any>, getState: () => AppState) => {
  const selectedTopic = getState().tree.get('selectedTopic')
@@ -19,35 +21,3 @@ export const setCompareMessage = (message?: q.Message) => (dispatch: Dispatch<an
    type: ActionTypes.SIDEBAR_SET_COMPARE_MESSAGE,
  })
 }
-
-export const clearTopic = (topic: q.TreeNode<any>, recursive: boolean, subtopicClearLimit = 50) => (dispatch: Dispatch<any>, getState: () => AppState)  => {
-  const { connectionId } = getState().connection
-  if (!connectionId) {
-    return
-  }
-
-  const publishEvent = makePublishEvent(connectionId)
-  const mqttMessage = {
-    topic: topic.path(),
-    payload: null,
-    retain: true,
-    qos: 0 as 0,
-  }
-  rendererEvents.emit(publishEvent, mqttMessage)
-
-  if (recursive) {
-    topic.childTopics()
-      .filter(topic => Boolean(topic.message && topic.message.value))
-      .slice(0, subtopicClearLimit)
-      .forEach((topic) => {
-        console.log('deleting', topic.path())
-        const mqttMessage = {
-          topic: topic.path(),
-          payload: null,
-          retain: true,
-          qos: 0 as 0,
-        }
-        rendererEvents.emit(publishEvent, mqttMessage)
-      })
-  }
-}
@@ -4,54 +4,63 @@ import { ActionTypes as SidebarActionTypes } from '../reducers/Sidebar'
 import { AnyAction, Dispatch } from 'redux'
 import { AppState } from '../reducers'
 import { batchActions } from 'redux-batched-actions'
+import { globalActions } from './'
 import { setTopic } from './Publish'
 import { TopicViewModel } from '../model/TopicViewModel'
-import { globalActions } from '.'
 const debounce = require('lodash.debounce')
+export { clearTopic } from './clearTopic'

-export const selectTopic = (topic: q.TreeNode<TopicViewModel>) => (dispatch: Dispatch<any>, getState: () => AppState) => {
+export { moveSelectionUpOrDownwards, moveInward, moveOutward } from './visibleTreeTraversal'
+
+export const selectTopic = (topic: q.TreeNode<TopicViewModel>) => (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+) => {
  debouncedSelectTopic(topic, dispatch, getState)
 }

-const debouncedSelectTopic = debounce((topic: q.TreeNode<TopicViewModel>, dispatch: Dispatch<any>, getState: () => AppState) => {
-  const previouslySelectedTopic = getState().tree.get('selectedTopic')
+const debouncedSelectTopic = debounce(
+  (topic: q.TreeNode<TopicViewModel>, dispatch: Dispatch<any>, getState: () => AppState) => {
+    const previouslySelectedTopic = getState().tree.get('selectedTopic')

-  if (previouslySelectedTopic === topic) {
-    return
-  }
+    if (previouslySelectedTopic === topic) {
+      return
+    }

-  // Update publish topic
-  let setTopicDispatch: any | undefined
-  if (!getState().publish.topic) {
-    setTopicDispatch = setTopic(topic.path())
-  } else if (previouslySelectedTopic && (previouslySelectedTopic.path() === getState().publish.topic)) {
-    setTopicDispatch = setTopic(topic.path())
-  }
+    // Update publish topic
+    let setTopicDispatch: any | undefined
+    if (!getState().publish.topic) {
+      setTopicDispatch = setTopic(topic.path())
+    } else if (previouslySelectedTopic && previouslySelectedTopic.path() === getState().publish.topic) {
+      setTopicDispatch = setTopic(topic.path())
+    }

-  if (previouslySelectedTopic && previouslySelectedTopic.viewModel) {
-    previouslySelectedTopic.viewModel.setSelected(false)
-  }
+    if (previouslySelectedTopic && previouslySelectedTopic.viewModel) {
+      previouslySelectedTopic.viewModel.setSelected(false)
+    }

-  if (topic.viewModel) {
-    topic.viewModel.setSelected(true)
-  }
+    if (topic.viewModel) {
+      topic.viewModel.setSelected(true)
+    }

-  const selectTreeTopicDispatch = {
-    selectedTopic: topic,
-    type: ActionTypes.TREE_SELECT_TOPIC,
-  }
+    const selectTreeTopicDispatch = {
+      selectedTopic: topic,
+      type: ActionTypes.TREE_SELECT_TOPIC,
+    }

-  dispatch({
-    type: SidebarActionTypes.SIDEBAR_SET_COMPARE_MESSAGE,
-    message: undefined,
-  })
+    dispatch({
+      type: SidebarActionTypes.SIDEBAR_SET_COMPARE_MESSAGE,
+      message: undefined,
+    })

-  if (setTopicDispatch) {
-    dispatch(batchActions([selectTreeTopicDispatch, setTopicDispatch]))
-  } else {
-    dispatch(selectTreeTopicDispatch)
-  }
-}, 70)
+    if (setTopicDispatch) {
+      dispatch(batchActions([selectTreeTopicDispatch, setTopicDispatch]))
+    } else {
+      dispatch(selectTreeTopicDispatch)
+    }
+  },
+  70
+)

 function destroyUnreferencedTree(state: AppState) {
  const visibleTree = state.tree.get('tree')
@@ -73,7 +82,10 @@ export const resetStore = () => (dispatch: Dispatch<any>, getState: () => AppSta
  })
 }

-export const showTree = (tree: q.Tree<TopicViewModel> | undefined) => (dispatch: Dispatch<any>, getState: () => AppState): AnyAction => {
+export const showTree = (tree: q.Tree<TopicViewModel> | undefined) => (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+): AnyAction => {
  destroyUnreferencedTree(getState())

  return dispatch({
@@ -87,15 +99,18 @@ export const togglePause = (tree?: q.Tree<TopicViewModel>) => (dispatch: Dispatc
  const tree = getState().tree.get('tree')
  const changes = tree ? tree.unmergedChanges().length : 0

+  if (tree) {
+    paused ? tree.resume() : tree.pause()
+  }
+
  if (paused && changes > 0) {
    dispatch(globalActions.showNotification('Applying recorded changes.'))
  }

  // Allow for notification to be displayed
  setTimeout(() => {
-    tree && tree.applyUnmergedChanges()
    if (paused && changes > 0) {
-      dispatch(globalActions.showNotification(`Sucessfully applied ${changes} changes.`))
+      dispatch(globalActions.showNotification(`Successfully applied ${changes} changes.`))
    }
  }, 50)

@@ -0,0 +1,55 @@
+import * as q from '../../../backend/src/Model'
+import { AppState } from '../reducers'
+import { Dispatch } from 'redux'
+import { makePublishEvent, rendererEvents } from '../../../events'
+import { moveSelectionUpOrDownwards } from './visibleTreeTraversal'
+import { globalActions } from '.'
+
+export const clearTopic = (topic: q.TreeNode<any>, recursive: boolean) => async (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+) => {
+  const topicsForPurging = recursive ? [topic, ...topic.childTopics()] : [topic]
+
+  if (recursive) {
+    const topicCount = topic.childTopicCount()
+
+    const topicDelta = topic.hasMessage() ? -1 : 0
+    const childTopicsMessage =
+      topicCount + topicDelta > 0
+        ? ` and ${topicCount + topicDelta} child ${topicCount + topicDelta === 1 ? 'topic' : 'topics'}`
+        : ''
+
+    const confirmed = await dispatch(
+      globalActions.requestConfirmation(
+        'Confirm delete',
+        `Do you want to clear "${topic.path()}"${childTopicsMessage}?\n\nThis function will send an empty payload (QoS 0, retain) to this and every subtopic, clearing retained topics in the process. Only use this function if you know what you are doing.`
+      )
+    )
+    if (!confirmed) {
+      return
+    }
+  }
+
+  dispatch(moveSelectionUpOrDownwards('next'))
+
+  const { connectionId } = getState().connection
+  if (!connectionId) {
+    return
+  }
+  const publishEvent = makePublishEvent(connectionId)
+
+  topicsForPurging
+    .filter(t => t.path() !== '' && t.hasMessage())
+    .map(t => t.path())
+    .forEach((path, idx) => {
+      const mqttMessage = {
+        topic: path,
+        payload: null,
+        retain: true,
+        qos: 0 as 0,
+      }
+      // Rate limit deletion
+      setTimeout(() => rendererEvents.emit(publishEvent, mqttMessage), 20 * idx)
+    })
+}
@@ -1,3 +1,4 @@
+import * as chartActions from './Charts'
 import * as connectionActions from './Connection'
 import * as connectionManagerActions from './ConnectionManager'
 import * as globalActions from './Global'
@@ -7,4 +8,14 @@ import * as sidebarActions from './Sidebar'
 import * as treeActions from './Tree'
 import * as updateNotifierActions from './UpdateNotifier'

-export { settingsActions, treeActions, publishActions, updateNotifierActions, connectionActions, sidebarActions, connectionManagerActions, globalActions }
+export {
+  settingsActions,
+  treeActions,
+  chartActions,
+  publishActions,
+  updateNotifierActions,
+  connectionActions,
+  sidebarActions,
+  connectionManagerActions,
+  globalActions,
+}
@@ -0,0 +1,135 @@
+import * as q from '../../../backend/src/Model'
+import { AppState } from '../reducers'
+import { Dispatch } from 'redux'
+import { selectTopic } from './Tree'
+import { SettingsState } from '../reducers/Settings'
+import { sortedNodes } from '../sortedNodes'
+import { TopicViewModel } from '../model/TopicViewModel'
+
+export const moveSelectionUpOrDownwards = (direction: 'next' | 'previous') => (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+): any => {
+  const state = getState()
+  const selected = state.tree.get('selectedTopic')
+  const tree = state.tree.get('tree')
+
+  if (!selected || !tree) {
+    if (tree) {
+      dispatch(selectTopic(tree))
+    }
+    return
+  }
+  const nextTreeNode = nextVisibleElementInTree(state.settings, tree, selected, direction)
+  if (nextTreeNode && nextTreeNode.viewModel) {
+    dispatch(selectTopic(nextTreeNode))
+  }
+}
+
+export const moveInward = () => (dispatch: Dispatch<any>, getState: () => AppState): any => {
+  const state = getState()
+  const selected = state.tree.get('selectedTopic')
+  if (!selected || !selected.viewModel) {
+    return
+  }
+
+  if (!selected.viewModel.isExpanded() && selected.edgeCount() > 0) {
+    selected.viewModel.setExpanded(true, true)
+  } else {
+    dispatch(moveSelectionUpOrDownwards('next'))
+  }
+}
+
+export const moveOutward = () => (dispatch: Dispatch<any>, getState: () => AppState): any => {
+  const state = getState()
+  const selected = state.tree.get('selectedTopic')
+  if (!selected || !selected.viewModel) {
+    return
+  }
+
+  if (selected.viewModel.isExpanded() && selected.edgeCount() > 0) {
+    selected.viewModel.setExpanded(false, true)
+  } else {
+    dispatch(moveSelectionUpOrDownwards('previous'))
+  }
+}
+
+function isTreeNodeVisible(treeNode: q.TreeNode<any>) {
+  return Boolean(treeNode.viewModel)
+}
+
+function nextVisibleElementInTree(
+  settings: SettingsState,
+  tree: q.Tree<TopicViewModel>,
+  node: q.TreeNode<TopicViewModel>,
+  direction: 'next' | 'previous'
+): q.TreeNode<TopicViewModel> | undefined {
+  if (direction === 'next') {
+    return findNextNodeDownward(settings, node)
+  } else {
+    return findNextNodeUpward(settings, node)
+  }
+}
+
+/** Not very efficient but easy to implement, complexity should not be an issue here  */
+function findNextNodeUpward(
+  settings: SettingsState,
+  treeNode: q.TreeNode<TopicViewModel>
+): q.TreeNode<TopicViewModel> | undefined {
+  const parent = treeNode.sourceEdge && treeNode.sourceEdge.source
+  if (!parent) {
+    return undefined
+  }
+
+  const neighborNodes = sortedNodes(settings, parent)
+  const nodeIdx = neighborNodes.findIndex(n => n.path() === treeNode.path())
+  if (nodeIdx === 0) {
+    return parent
+  }
+  const upwardNeighbor = neighborNodes[nodeIdx - 1]
+  if (upwardNeighbor) {
+    return lastVisibleChild(settings, upwardNeighbor)
+  } else {
+    return findNextNodeUpward(settings, parent)
+  }
+}
+
+function lastVisibleChild(settings: SettingsState, treeNode: q.TreeNode<TopicViewModel>): q.TreeNode<TopicViewModel> {
+  const nodes = sortedNodes(settings, treeNode).filter(isTreeNodeVisible)
+  if (nodes.length === 0) {
+    return treeNode
+  }
+  return lastVisibleChild(settings, nodes[nodes.length - 1])
+}
+
+function findNextNodeDownward(
+  settings: SettingsState,
+  treeNode: q.TreeNode<TopicViewModel>
+): q.TreeNode<TopicViewModel> | undefined {
+  const children = sortedNodes(settings, treeNode).filter(isTreeNodeVisible)
+  const firstChild = children[0]
+  if (firstChild) {
+    return firstChild
+  }
+
+  return findNextNodeDownwardNeighbor(settings, treeNode)
+}
+
+function findNextNodeDownwardNeighbor(
+  settings: SettingsState,
+  treeNode: q.TreeNode<TopicViewModel>
+): q.TreeNode<TopicViewModel> | undefined {
+  const parent = treeNode.sourceEdge && treeNode.sourceEdge.source
+  if (!parent) {
+    return undefined
+  }
+
+  const neighborNodes = sortedNodes(settings, parent).filter(isTreeNodeVisible)
+  const nodeIdx = neighborNodes.findIndex(n => n.path() === treeNode.path())
+  const downwardNeighbor = neighborNodes[nodeIdx + 1]
+  if (downwardNeighbor) {
+    return downwardNeighbor
+  } else {
+    return findNextNodeDownwardNeighbor(settings, parent)
+  }
+}
@@ -1,12 +1,14 @@
-import * as React from 'react'
+import ConfirmationDialog from './ConfirmationDialog'
 import ConnectionSetup from './ConnectionSetup/ConnectionSetup'
 import CssBaseline from '@material-ui/core/CssBaseline'
 import ErrorBoundary from './ErrorBoundary'
 import Notification from './Layout/Notification'
+import React from 'react'
 import TitleBar from './Layout/TitleBar'
 import UpdateNotifier from './UpdateNotifier'
 import { AppState } from '../reducers'
 import { bindActionCreators } from 'redux'
+import { ConfirmationRequest } from '../reducers/Global'
 import { connect } from 'react-redux'
 import { globalActions, settingsActions } from '../actions'
 import { Theme, withStyles } from '@material-ui/core/styles'
@@ -23,12 +25,13 @@ interface Props {
  actions: typeof globalActions
  settingsActions: typeof settingsActions
  launching: boolean
+  confirmationRequests: Array<ConfirmationRequest>
 }

 class App extends React.PureComponent<Props, {}> {
  constructor(props: any) {
    super(props)
-    this.state = { }
+    this.state = {}
  }

  private renderNotification() {
@@ -41,7 +44,9 @@ class App extends React.PureComponent<Props, {}> {
        <Notification
          message={str}
          type={isError ? 'error' : 'notification'}
-          onClose={() => { isError ? this.props.actions.showError(undefined) : this.props.actions.showNotification(undefined) }}
+          onClose={() => {
+            isError ? this.props.actions.showError(undefined) : this.props.actions.showNotification(undefined)
+          }}
        />
      )
    }
@@ -65,7 +70,8 @@ class App extends React.PureComponent<Props, {}> {
      <div className={centerContent}>
        <CssBaseline />
        <ErrorBoundary>
-        {this.renderNotification()}
+          <ConfirmationDialog confirmationRequests={this.props.confirmationRequests} />
+          {this.renderNotification()}
          <React.Suspense fallback={<div></div>}>
            <Settings />
          </React.Suspense>
@@ -75,7 +81,11 @@ class App extends React.PureComponent<Props, {}> {
            </div>
            <div className={settingsVisible ? contentShift : content}>
              <React.Suspense fallback={<div></div>}>
-                <ContentView heightProperty={heightProperty} connectionId={this.props.connectionId} paneDefaults={paneDefaults} />
+                <ContentView
+                  heightProperty={heightProperty}
+                  connectionId={this.props.connectionId}
+                  paneDefaults={paneDefaults}
+                />
              </React.Suspense>
            </div>
          </div>
@@ -91,19 +101,16 @@ const styles = (theme: Theme) => {
  const drawerWidth = 300
  const contentBaseStyle = {
    width: '100vw',
-    overflow: 'hidden' as 'hidden',
    backgroundColor: theme.palette.background.default,
  }

  return {
    heightProperty: {
-      height: 'calc(100vh - 64px) !important',
+      height: '100%', // 'calc(100vh - 64px) !important',
    },
    paneDefaults: {
      backgroundColor: theme.palette.background.default,
      color: theme.palette.text.primary,
-      overflowY: 'scroll' as 'scroll',
-      overflowX: 'hidden' as 'hidden',
      display: 'block' as 'block',
      height: 'calc(100vh - 64px)',
    },
@@ -146,7 +153,13 @@ const mapStateToProps = (state: AppState) => {
    notification: state.globalState.get('notification'),
    highlightTopicUpdates: state.settings.get('highlightTopicUpdates'),
    launching: state.globalState.get('launching'),
+    confirmationRequests: state.globalState.get('confirmationRequests'),
  }
 }

-export default withStyles(styles)(connect(mapStateToProps, mapDispatchToProps)(App))
+export default withStyles(styles)(
+  connect(
+    mapStateToProps,
+    mapDispatchToProps
+  )(App)
+)
@@ -0,0 +1,105 @@
+import DateFormatter from '../helper/DateFormatter'
+import NoData from './NoData'
+import NumberFormatter from '../helper/NumberFormatter'
+import React, { memo, useCallback } from 'react'
+import TooltipComponent from './TooltipComponent'
+import { default as ReactResizeDetector } from 'react-resize-detector'
+import { emphasize } from '@material-ui/core/styles'
+import { mapCurveType } from './mapCurveType'
+import { PlotCurveTypes } from '../../reducers/Charts'
+import { Point, Tooltip } from './Model'
+import { Theme, withTheme } from '@material-ui/core'
+import { useCustomXDomain } from './effects/useCustomXDomain'
+import { useCustomYDomain } from './effects/useCustomYDomain'
+import 'react-vis/dist/style.css'
+const { XYPlot, LineMarkSeries, YAxis, HorizontalGridLines, Hint } = require('react-vis')
+const abbreviate = require('number-abbreviate')
+
+export interface Props {
+  data: Array<{ x: number; y: number }>
+  theme: Theme
+  interpolation?: PlotCurveTypes
+  range?: [number?, number?]
+  timeRangeStart?: number
+  color?: string
+}
+
+export default withTheme(
+  memo((props: Props) => {
+    const [width, setWidth] = React.useState(300)
+    const [tooltip, setTooltip] = React.useState<Tooltip | undefined>()
+    const detectResize = React.useCallback(newWidth => setWidth(newWidth), [])
+
+    const hintFormatter = React.useCallback(
+      (point: any) => [
+        { title: <b>Time</b>, value: <DateFormatter timeFirst={true} date={new Date(point.x)} /> },
+        { title: <b>Value</b>, value: <NumberFormatter value={point.y} /> },
+        { title: <b>Raw</b>, value: <span>{point.y}</span> },
+      ],
+      []
+    )
+
+    const onMouseLeave = React.useCallback(() => {
+      setTooltip(undefined)
+    }, [])
+
+    const showTooltip = React.useCallback((point: Point, something: { event: MouseEvent }) => {
+      if (!something) {
+        return
+      }
+      setTooltip({ point, value: hintFormatter(point), element: something.event.target as any })
+    }, [])
+
+    const paletteColor =
+      props.theme.palette.type === 'light' ? props.theme.palette.secondary.dark : props.theme.palette.primary.light
+    const color = props.color ? props.color : paletteColor
+
+    const highlightSelectedPoint = useCallback(
+      (point: Point) => {
+        const highlight = tooltip && tooltip.point.x === point.x && tooltip.point.y === point.y
+        return highlight ? emphasize(color, 0.8) : color
+      },
+      [tooltip, color]
+    )
+
+    const formatYAxis = useCallback((num: number) => abbreviate(num), [])
+
+    const xDomain = useCustomXDomain(props)
+    const yDomain = useCustomYDomain(props)
+
+    const data = props.data
+    const hasData = data.length > 0
+    const dummyDomain = [-1, 1]
+    const dummyData = [{ x: -2, y: -2 }]
+    return (
+      <div>
+        <div style={{ height: '150px', width: '100%', position: 'relative' }}>
+          {data.length === 0 ? <NoData /> : null}
+          <XYPlot
+            width={width}
+            height={180}
+            yDomain={hasData ? yDomain : dummyDomain}
+            xDomain={hasData ? xDomain : dummyDomain}
+            onMouseLeave={onMouseLeave}
+          >
+            <HorizontalGridLines />
+            <YAxis width={45} tickFormat={formatYAxis} />
+            <LineMarkSeries
+              color={color}
+              colorType="literal"
+              getColor={highlightSelectedPoint}
+              onValueMouseOver={showTooltip}
+              size={3}
+              data={hasData ? data : dummyData}
+              curve={mapCurveType(props.interpolation)}
+            />
+            <Hint value={{ x: 0, y: 0 }} style={{ pointerEvents: 'none' }}>
+              <TooltipComponent tooltip={tooltip} theme={props.theme} />
+            </Hint>
+          </XYPlot>
+          <ReactResizeDetector handleWidth={true} onResize={detectResize} />
+        </div>
+      </div>
+    )
+  })
+)
@@ -0,0 +1,15 @@
+export interface Point {
+  x: number
+  y: number
+}
+
+export interface Tooltip {
+  value: Array<TooltipRows>
+  point: Point
+  element: Element | null
+}
+
+export interface TooltipRows {
+  title: React.ReactElement
+  value: React.ReactElement
+}
@@ -0,0 +1,27 @@
+import React, { memo } from 'react'
+import { Typography } from '@material-ui/core'
+
+function NoData() {
+  return (
+    <div
+      style={{
+        height: '100%',
+        position: 'absolute',
+        display: 'flex',
+        alignItems: 'center',
+        justifyContent: 'center',
+        width: '100%',
+        color: '#ccc',
+        verticalAlign: 'middle',
+        paddingLeft: '30px',
+        zIndex: 10,
+      }}
+    >
+      <Typography style={{ fontWeight: 'bold' }} variant="h5">
+        No Data
+      </Typography>
+    </div>
+  )
+}
+
+export default memo(NoData)
@@ -0,0 +1,59 @@
+import React, { memo } from 'react'
+import { fade } from '@material-ui/core/styles'
+import { Fade, Grow, Paper, Popper, Theme, Typography, withTheme } from '@material-ui/core'
+import { Tooltip } from './Model'
+
+function TooltipComponent(props: { tooltip?: Tooltip; theme: Theme }) {
+  const { tooltip } = props
+  return (
+    <Popper
+      style={Boolean(tooltip) ? { transition: 'all 0.1s ease-out' } : undefined}
+      open={Boolean(tooltip)}
+      transition={true}
+      placement="top"
+      anchorEl={tooltip && tooltip.element}
+    >
+      <div
+        style={{
+          paddingBottom: '8px',
+          transition: 'all 0.5s ease',
+        }}
+      >
+        <Fade in={Boolean(tooltip)} timeout={300}>
+          <Grow in={Boolean(tooltip)} timeout={300}>
+            <Paper
+              style={{
+                padding: '4px',
+                marginTop: '-12px',
+                backgroundColor: fade(
+                  props.theme.palette.type === 'light'
+                    ? props.theme.palette.background.paper
+                    : props.theme.palette.background.default,
+                  0.7
+                ),
+              }}
+            >
+              <table style={{ lineHeight: '1.25em' }}>
+                <tbody>
+                  {tooltip &&
+                    tooltip.value.map((v: any, idx: number) => (
+                      <tr key={idx}>
+                        <td>
+                          <Typography style={{ lineHeight: '1.2' }}>{v.title}</Typography>
+                        </td>
+                        <td>
+                          <Typography style={{ lineHeight: '1.2' }}>{v.value}</Typography>
+                        </td>
+                      </tr>
+                    ))}
+                </tbody>
+              </table>
+            </Paper>
+          </Grow>
+        </Fade>
+      </div>
+    </Popper>
+  )
+}
+
+export default withTheme(memo(TooltipComponent))
@@ -0,0 +1,10 @@
+import { useMemo } from 'react'
+import { Props } from '../Chart'
+
+export function useCustomXDomain(props: Props): [number, number] | undefined {
+  return useMemo(() => {
+    const lastDataPoint = [...props.data].sort((a, b) => b.x - a.x)[0]
+    const lastDataDate = lastDataPoint ? lastDataPoint.x : Date.now()
+    return props.timeRangeStart ? [Date.now() - props.timeRangeStart, lastDataDate] : undefined
+  }, [props.data, props.timeRangeStart])
+}
@@ -0,0 +1,39 @@
+import { Props } from '../Chart'
+import { useMemo } from 'react'
+import { Point } from '../Model'
+
+export function useCustomYDomain(props: Props) {
+  return useMemo(() => {
+    const data = props.data
+    const calculatedDomain = domainForData(data)
+    const yDomain: [number, number] = props.range
+      ? [props.range[0] || calculatedDomain[0], props.range[1] || calculatedDomain[1]]
+      : calculatedDomain
+
+    return yDomain
+  }, [props.data])
+}
+
+function domainForData(data: Array<Point>): [number, number] {
+  if (!data[0]) {
+    const defaultDomain: [number, number] = [-1, 1]
+    return defaultDomain
+  }
+  let max = data[0].y
+  let min = data[0].y
+  data.forEach(d => {
+    if (max < d.y) {
+      max = d.y
+    }
+    if (min > d.y) {
+      min = d.y
+    }
+  })
+  if ((max === 1 || max === 0) && (min === 1 || min === 0)) {
+    return [0, 1]
+  }
+  if (min === max) {
+    return [min - 0.5 * min, min + 0.5 * min]
+  }
+  return [min, max]
+}
@@ -0,0 +1,17 @@
+import { PlotCurveTypes } from '../../reducers/Charts'
+export function mapCurveType(type: PlotCurveTypes | undefined) {
+  switch (type) {
+    case 'curve':
+      return 'curveMonotoneX'
+    case 'linear':
+      return 'curveLinear'
+    case 'cubic_basis_spline':
+      return 'curveBasis'
+    case 'step_after':
+      return 'curveStepAfter'
+    case 'step_before':
+      return 'curveStepBefore'
+    default:
+      return 'curveMonotoneX'
+  }
+}
@@ -0,0 +1,34 @@
+import React, { useRef } from 'react'
+import Play from '@material-ui/icons/PlayArrow'
+import Pause from '@material-ui/icons/PauseCircleFilled'
+import Clear from '@material-ui/icons/Clear'
+import CustomIconButton from '../helper/CustomIconButton'
+import { ChartParameters } from '../../reducers/Charts'
+import { SettingsButton } from './ChartSettings/SettingsButton'
+
+export function ChartActions(props: {
+  paused: boolean
+  togglePause: () => void
+  parameters: ChartParameters
+  onRemove: () => void
+  resetDataAction: () => void
+}) {
+  const menuAnchor = useRef()
+  return (
+    <div style={{ display: 'flex' }}>
+      <CustomIconButton tooltip={props.paused ? 'Resume chart' : 'Pause chart'} onClick={props.togglePause}>
+        {props.paused ? <Play /> : <Pause />}
+      </CustomIconButton>
+      <SettingsButton menuAnchor={menuAnchor} parameters={props.parameters} resetDataAction={props.resetDataAction} />
+      <CustomIconButton tooltip="Remove chart" onClick={props.onRemove}>
+        <Clear data-test-type="RemoveChart" data-test={`${props.parameters.topic}-${props.parameters.dotPath || ''}`} />
+      </CustomIconButton>
+      <div style={{ width: 0, overflow: 'hidden' }}>
+        {/* Helper element to provide an anchor element for the menu,
+         * so the menu prefers not to overlap with the chart
+         */}
+        <div style={{ marginLeft: '11px' }} ref={menuAnchor as any} />
+      </div>
+    </div>
+  )
+}
@@ -0,0 +1,71 @@
+import React, { memo } from 'react'
+import { bindActionCreators } from 'redux'
+import { chartActions } from '../../../actions'
+import { ChartParameters } from '../../../reducers/Charts'
+import { connect } from 'react-redux'
+import { Menu, MenuItem } from '@material-ui/core'
+import { colors as createColors } from './colors'
+
+function chartParametersForColor(chart: ChartParameters, color?: string) {
+  return {
+    color,
+    topic: chart.topic,
+    dotPath: chart.dotPath,
+  }
+}
+
+const colors: Array<string> = createColors()
+
+function ColorSettings(props: {
+  chart: ChartParameters
+  actions: {
+    chart: typeof chartActions
+  }
+  anchorEl?: Element
+  open: boolean
+  close: () => void
+}) {
+  const setColor = React.useCallback(
+    (color?: string) => props.actions.chart.updateChart(chartParametersForColor(props.chart, color)),
+    [props.chart]
+  )
+
+  const menuItems = React.useMemo(() => {
+    return colors.map(color => (
+      <MenuItem
+        style={{ minWidth: '8em', minHeight: '36px', backgroundColor: color, textAlign: 'center' }}
+        key={color}
+        onClick={() => setColor(color)}
+      >
+        {props.chart.color === color ? 'X' : ''}
+      </MenuItem>
+    ))
+  }, [colors, props.chart])
+
+  return (
+    <Menu anchorEl={props.anchorEl} open={props.open} onClose={props.close}>
+      <MenuItem
+        style={{ minWidth: '8em', minHeight: '36px', textAlign: 'center' }}
+        key="none"
+        onClick={() => setColor()}
+        selected={props.chart.color === undefined}
+      >
+        default
+      </MenuItem>
+      {menuItems}
+    </Menu>
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      chart: bindActionCreators(chartActions, dispatch),
+    },
+  }
+}
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(memo(ColorSettings))
@@ -0,0 +1,66 @@
+import * as React from 'react'
+import { AppState } from '../../../reducers'
+import { bindActionCreators } from 'redux'
+import { chartActions } from '../../../actions'
+import { ChartParameters, PlotCurveTypes } from '../../../reducers/Charts'
+import { connect } from 'react-redux'
+import { Menu, MenuItem, Typography } from '@material-ui/core'
+
+function chartParametersForAction(chart: ChartParameters, action: string) {
+  return {
+    topic: chart.topic,
+    dotPath: chart.dotPath,
+    interpolation: action as any,
+  }
+}
+
+const curves: Array<PlotCurveTypes> = ['curve', 'linear', 'step_after', 'step_before', 'cubic_basis_spline']
+
+function InterpolationSettings(props: {
+  chart: ChartParameters
+  actions: {
+    chart: typeof chartActions
+  }
+  anchorEl?: Element
+  open: boolean
+  close: () => void
+}) {
+  const callbacks = React.useMemo(() => {
+    const createCurveCallback = (curve: PlotCurveTypes) => () => {
+      props.actions.chart.updateChart(chartParametersForAction(props.chart, curve))
+    }
+
+    const callbacks: { [key: string]: () => void } = {}
+    for (const curve of curves) {
+      callbacks[curve] = createCurveCallback(curve)
+    }
+    return callbacks
+  }, [curves])
+
+  const menuItems = React.useMemo(() => {
+    return curves.map(curve => (
+      <MenuItem key={curve} onClick={callbacks[curve]} selected={props.chart.interpolation === curve}>
+        <Typography variant="inherit">{curve.replace(/_/g, ' ')}</Typography>
+      </MenuItem>
+    ))
+  }, [curves, props.chart])
+
+  return (
+    <Menu anchorEl={props.anchorEl} open={props.open} onClose={props.close}>
+      {menuItems}
+    </Menu>
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      chart: bindActionCreators(chartActions, dispatch),
+    },
+  }
+}
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(InterpolationSettings)
@@ -0,0 +1,39 @@
+import * as React from 'react'
+import ArrowUpward from '@material-ui/icons/ArrowUpward'
+import { bindActionCreators } from 'redux'
+import { chartActions } from '../../../actions'
+import { ChartParameters } from '../../../reducers/Charts'
+import { connect } from 'react-redux'
+import { MenuItem, Typography, ListItemIcon } from '@material-ui/core'
+
+function MoveUp(props: { actions: { chart: typeof chartActions }; chart: ChartParameters; close: () => void }) {
+  const moveUp = React.useCallback(() => {
+    props.actions.chart.moveChartUp({
+      topic: props.chart.topic,
+      dotPath: props.chart.dotPath,
+    })
+    props.close()
+  }, [props.chart])
+
+  return (
+    <MenuItem key="size" onClick={moveUp}>
+      <ListItemIcon>
+        <ArrowUpward />
+      </ListItemIcon>
+      <Typography variant="inherit">Move up</Typography>
+    </MenuItem>
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      chart: bindActionCreators(chartActions, dispatch),
+    },
+  }
+}
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(MoveUp)
@@ -0,0 +1,120 @@
+import React, { useCallback, useState, ChangeEvent, MouseEvent, useRef, useEffect, useMemo } from 'react'
+import { ChartParameters } from '../../../reducers/Charts'
+import { Menu, TextField, Typography } from '@material-ui/core'
+import { connect } from 'react-redux'
+import { bindActionCreators } from 'redux'
+import { chartActions } from '../../../actions'
+import { KeyCodes } from '../../../utils/KeyCodes'
+
+interface Props {
+  actions: { chart: typeof chartActions }
+  chart: ChartParameters
+  anchorEl?: Element
+  open: boolean
+  onClose: () => void
+}
+
+function RangeSettings(props: Props) {
+  const dismissClick = useCallback((e: MouseEvent) => e.stopPropagation(), [])
+  const [rangeFrom, setRangeFrom] = useState<string | number | undefined>(props.chart.range && props.chart.range.from)
+  const [rangeTo, setRangeTo] = useState<string | number | undefined>(props.chart.range && props.chart.range.to)
+  useRangeStateToFireUpdateAction(rangeFrom, rangeTo, props)
+  const rangeFromRef = useRef<HTMLInputElement>()
+  const rangeToRef = useRef<HTMLInputElement>()
+
+  useEffect(() => {
+    rangeFromRef.current && rangeFromRef.current.focus()
+  }, [props.open])
+
+  const handleKeyEvents = (e: React.KeyboardEvent<any>) => {
+    if (e.keyCode === KeyCodes.tab) {
+      // Switch focus between those two
+      if (document.activeElement === rangeFromRef.current) {
+        rangeToRef.current && rangeToRef.current.focus()
+      } else {
+        rangeFromRef.current && rangeFromRef.current.focus()
+      }
+
+      // Prevent closing the menu
+      e.stopPropagation()
+      // Prevent default tab behavior (focus/blur)
+      e.preventDefault()
+    } else if (e.keyCode === KeyCodes.enter) {
+      props.onClose()
+    }
+  }
+
+  const setFromHandler = useCallback((e: ChangeEvent<HTMLInputElement>) => setRangeFrom(e.target.value), [])
+  const setToHandler = useCallback((e: ChangeEvent<HTMLInputElement>) => setRangeTo(e.target.value), [])
+  return useMemo(
+    () => (
+      <Menu
+        style={{ textAlign: 'center' }}
+        keepMounted={true}
+        anchorEl={props.anchorEl}
+        open={props.open}
+        onClose={props.onClose}
+        onKeyDownCapture={handleKeyEvents}
+      >
+        <div style={{ padding: '0 16px', width: '275px' }}>
+          <Typography>Define custom ranges for the Y-Axis</Typography>
+          <TextField
+            inputProps={{
+              ref: rangeFromRef,
+            }}
+            autoFocus={true}
+            style={{ marginTop: '0' }}
+            label="from"
+            value={rangeFrom}
+            onChange={setFromHandler}
+            margin="normal"
+          />
+          <TextField
+            inputProps={{
+              ref: rangeToRef,
+            }}
+            style={{ marginLeft: '8px', marginTop: '0' }}
+            onClick={dismissClick}
+            label="to"
+            value={rangeTo}
+            onChange={setToHandler}
+            margin="normal"
+          />
+        </div>
+      </Menu>
+    ),
+    [rangeFrom, rangeTo, props.open]
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      chart: bindActionCreators(chartActions, dispatch),
+    },
+  }
+}
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(RangeSettings)
+
+function useRangeStateToFireUpdateAction(
+  rangeFrom: string | number | undefined,
+  rangeTo: string | number | undefined,
+  props: Props
+) {
+  React.useEffect(() => {
+    const from = parseFloat(rangeFrom as any)
+    const to = parseFloat(rangeTo as any)
+    props.actions.chart.updateChart({
+      topic: props.chart.topic,
+      dotPath: props.chart.dotPath,
+      range: {
+        from: isNaN(from) ? undefined : from,
+        to: isNaN(to) ? undefined : to,
+      },
+    })
+  }, [rangeFrom, rangeTo])
+}
@@ -0,0 +1,38 @@
+import * as React from 'react'
+import ChartSettings from '.'
+import CustomIconButton from '../../helper/CustomIconButton'
+import MoreVertIcon from '@material-ui/icons/Settings'
+import { ChartParameters } from '../../../reducers/Charts'
+
+export function SettingsButton(props: {
+  parameters: ChartParameters
+  resetDataAction: () => void
+  menuAnchor: React.MutableRefObject<undefined>
+}) {
+  const [visible, setVisible] = React.useState(false)
+  const toggleSettings = React.useCallback(() => {
+    setVisible(!visible)
+  }, [visible])
+
+  const close = React.useCallback(() => {
+    setVisible(false)
+  }, [])
+
+  return (
+    <span>
+      <ChartSettings
+        open={visible}
+        close={close}
+        anchorEl={props.menuAnchor}
+        chart={props.parameters}
+        resetDataAction={props.resetDataAction}
+      />
+      <CustomIconButton tooltip="Chart settings" onClick={toggleSettings}>
+        <MoreVertIcon
+          data-test-type="ChartSettings"
+          data-test={`${props.parameters.topic}-${props.parameters.dotPath || ''}`}
+        />
+      </CustomIconButton>
+    </span>
+  )
+}
@@ -0,0 +1,53 @@
+import React, { memo } from 'react'
+import { ChartParameters } from '../../../reducers/Charts'
+import { Menu, MenuItem, TextField, Typography } from '@material-ui/core'
+import { connect } from 'react-redux'
+import { bindActionCreators } from 'redux'
+import { chartActions } from '../../../actions'
+
+function Size(props: {
+  actions: { chart: typeof chartActions }
+  chart: ChartParameters
+  anchorEl?: Element
+  open: boolean
+  close: () => void
+}) {
+  const setChartWidth = (width?: 'big' | 'medium' | 'small') => () => {
+    props.actions.chart.updateChart({
+      width,
+      topic: props.chart.topic,
+      dotPath: props.chart.dotPath,
+    })
+    props.close()
+  }
+
+  return (
+    <Menu anchorEl={props.anchorEl} open={props.open} onClose={props.close}>
+      <MenuItem selected={props.chart.width === undefined} onClick={setChartWidth()}>
+        <Typography variant="inherit">auto</Typography>
+      </MenuItem>
+      <MenuItem selected={props.chart.width === 'big'} onClick={setChartWidth('big')}>
+        <Typography variant="inherit">100% width</Typography>
+      </MenuItem>
+      <MenuItem selected={props.chart.width === 'medium'} onClick={setChartWidth('medium')}>
+        <Typography variant="inherit">50% width</Typography>
+      </MenuItem>
+      <MenuItem selected={props.chart.width === 'small'} onClick={setChartWidth('small')}>
+        <Typography variant="inherit">33% width</Typography>
+      </MenuItem>
+    </Menu>
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      chart: bindActionCreators(chartActions, dispatch),
+    },
+  }
+}
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(memo(Size))
@@ -0,0 +1,102 @@
+import React, { ChangeEvent, MouseEvent, useCallback, useEffect, useMemo, useRef, useState } from 'react'
+import { bindActionCreators } from 'redux'
+import { Button, Menu, TextField, Typography } from '@material-ui/core'
+import { chartActions } from '../../../actions'
+import { ChartParameters } from '../../../reducers/Charts'
+import { connect } from 'react-redux'
+const parseDuration = require('parse-duration')
+
+interface Props {
+  actions: { chart: typeof chartActions }
+  chart: ChartParameters
+  anchorEl?: Element
+  open: boolean
+  onClose: () => void
+}
+
+function TimeRangeSettings(props: Props) {
+  const dismissClick = useCallback((e: MouseEvent) => e.stopPropagation(), [])
+  const [value, setValue] = useState<string | undefined>(
+    props.chart.timeRange ? props.chart.timeRange.until : undefined
+  )
+  const ranges = ['all', '10s', '30s', '1m', '5m', '15m', '1h', '6h', '1d']
+
+  const manuallySetIntervalHandler = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
+    setValue(e.target.value)
+  }, [])
+
+  useEffect(() => {
+    if (!value) {
+      props.actions.chart.updateChart({
+        ...props.chart,
+        timeRange: undefined,
+      })
+      return
+    }
+
+    const canBeParsed = Boolean(parseDuration(value))
+    if (canBeParsed) {
+      props.actions.chart.updateChart({
+        ...props.chart,
+        timeRange: {
+          until: value,
+        },
+      })
+    }
+  }, [value])
+
+  return useMemo(() => {
+    const createRangeHandler = (range: string) => (e: React.MouseEvent) => setValue(range === 'all' ? undefined : range)
+
+    return (
+      <Menu
+        style={{ textAlign: 'center' }}
+        keepMounted={true}
+        anchorEl={props.anchorEl}
+        open={props.open}
+        onClose={props.onClose}
+      >
+        <Typography>Chart data within a time interval</Typography>
+        <div style={{ padding: '0 16px', width: '275px', textAlign: 'center' }}>
+          {ranges.map(r => {
+            return (
+              <Button
+                style={{ margin: '4px', textTransform: 'none' }}
+                variant="contained"
+                key={r}
+                onClick={createRangeHandler(r)}
+              >
+                {r}
+              </Button>
+            )
+          })}
+        </div>
+        <Typography style={{ fontSize: '0.75em' }}>
+          <i>Limited to 500 data points</i>
+        </Typography>
+        <br />
+        <TextField
+          style={{ marginLeft: '8px', marginTop: '0' }}
+          onClick={dismissClick}
+          label="custom interval"
+          value={value || ''}
+          onChange={manuallySetIntervalHandler}
+          margin="normal"
+        />
+      </Menu>
+    )
+  }, [value, props.open])
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      chart: bindActionCreators(chartActions, dispatch),
+    },
+  }
+}
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(TimeRangeSettings)
@@ -0,0 +1,46 @@
+import {
+  amber,
+  orange,
+  pink,
+  purple,
+  deepPurple,
+  teal,
+  red,
+  green,
+  lime,
+  indigo,
+  yellow,
+  brown,
+  blueGrey,
+} from '@material-ui/core/colors'
+
+export function colors() {
+  function colorToInt(color: string): [number, number, number] {
+    const str = color.replace('#', '')
+    return [parseInt(str.slice(0, 2), 16), parseInt(str.slice(2, 4), 16), parseInt(str.slice(4, 6), 16)]
+  }
+  function colorCompare(colorA: string, colorB: string) {
+    const a = colorToInt(colorA)
+    const b = colorToInt(colorB)
+    return Math.sqrt(Math.pow(a[0] - b[0], 2) + Math.pow(a[1] - b[1], 2) + Math.pow(a[2] - b[2], 2))
+  }
+  const colors: Array<string> = [
+    brown,
+    blueGrey,
+    amber,
+    orange,
+    pink,
+    purple,
+    deepPurple,
+    teal,
+    red,
+    green,
+    lime,
+    indigo,
+    yellow,
+  ]
+    .map(color => [color[200], color[500], color[700]])
+    .reduce((a, b) => a.concat(b), [])
+    .sort((a, b) => colorCompare(a, b))
+  return colors
+}
@@ -0,0 +1,124 @@
+import BarChart from '@material-ui/icons/BarChart'
+import Clear from '@material-ui/icons/Refresh'
+import ColorLens from '@material-ui/icons/ColorLens'
+import ColorSettings from './ColorSettings'
+import InterpolationSettings from './InterpolationSettings'
+import MoveUp from './MoveUp'
+import MultilineChart from '@material-ui/icons/MultilineChart'
+import RangeSettings from './RangeSettings'
+import React, { memo } from 'react'
+import Size from './Size'
+import Sort from '@material-ui/icons/Sort'
+import TimeRangeSettings from './TimeRangeSettings'
+import { ChartParameters } from '../../../reducers/Charts'
+import { Menu, MenuItem, ListItemIcon, Typography } from '@material-ui/core'
+
+function ChartSettings(props: {
+  open: boolean
+  close: () => void
+  resetDataAction: () => void
+  chart: ChartParameters
+  anchorEl: React.MutableRefObject<undefined>
+}) {
+  const [rangeVisible, setRangeVisible] = React.useState(false)
+  const [timeRangeVisible, setTimeRangeVisible] = React.useState(false)
+  const [interpolationVisible, setInterpolationVisible] = React.useState(false)
+  const [sizeVisible, setSizeVisible] = React.useState(false)
+  const [colorVisible, setColorVisible] = React.useState(false)
+
+  const toggleRange = React.useCallback(() => {
+    if (open) {
+      props.close()
+    }
+    setRangeVisible(!rangeVisible)
+  }, [rangeVisible, open])
+
+  const toggleTimeRange = React.useCallback(() => {
+    if (open) {
+      props.close()
+    }
+    setTimeRangeVisible(!timeRangeVisible)
+  }, [timeRangeVisible, open])
+
+  const toggleInterpolation = React.useCallback(() => {
+    if (open) {
+      props.close()
+    }
+    setInterpolationVisible(!interpolationVisible)
+  }, [interpolationVisible, open])
+
+  const toggleSize = React.useCallback(() => {
+    if (open) {
+      props.close()
+    }
+    setSizeVisible(!sizeVisible)
+  }, [sizeVisible, open])
+
+  const toggleColor = React.useCallback(() => {
+    if (open) {
+      props.close()
+    }
+    setColorVisible(!colorVisible)
+  }, [colorVisible, open])
+
+  return (
+    <span>
+      <Menu id="long-menu" anchorEl={props.anchorEl.current} open={props.open} onClose={props.close}>
+        <MenuItem key="range" onClick={toggleRange}>
+          <ListItemIcon>
+            <BarChart />
+          </ListItemIcon>
+          <Typography variant="inherit">Y-Axis range (Values)</Typography>
+        </MenuItem>
+        <MenuItem key="timeRange" onClick={toggleTimeRange}>
+          <ListItemIcon>
+            <BarChart />
+          </ListItemIcon>
+          <Typography variant="inherit">X-Axis range (Time)</Typography>
+        </MenuItem>
+        <MenuItem key="interpolation" onClick={toggleInterpolation}>
+          <ListItemIcon>
+            <MultilineChart />
+          </ListItemIcon>
+          <Typography variant="inherit">Curve interpolation</Typography>
+        </MenuItem>
+        <MenuItem key="size" onClick={toggleSize}>
+          <ListItemIcon>
+            <Sort />
+          </ListItemIcon>
+          <Typography variant="inherit">Size</Typography>
+        </MenuItem>
+        <MenuItem key="color" onClick={toggleColor}>
+          <ListItemIcon>
+            <ColorLens />
+          </ListItemIcon>
+          <Typography variant="inherit">Color</Typography>
+        </MenuItem>
+        <MenuItem key="clear" onClick={props.resetDataAction}>
+          <ListItemIcon>
+            <Clear />
+          </ListItemIcon>
+          <Typography variant="inherit">Clear data</Typography>
+        </MenuItem>
+        <MoveUp chart={props.chart} close={props.close} />
+      </Menu>
+      <RangeSettings chart={props.chart} anchorEl={props.anchorEl.current} open={rangeVisible} onClose={toggleRange} />
+      <TimeRangeSettings
+        chart={props.chart}
+        anchorEl={props.anchorEl.current}
+        open={timeRangeVisible}
+        onClose={toggleTimeRange}
+      />
+      <InterpolationSettings
+        chart={props.chart}
+        anchorEl={props.anchorEl.current}
+        open={interpolationVisible}
+        close={toggleInterpolation}
+      />
+      <Size chart={props.chart} anchorEl={props.anchorEl.current} open={sizeVisible} close={toggleSize} />
+      <ColorSettings chart={props.chart} anchorEl={props.anchorEl.current} open={colorVisible} close={toggleColor} />
+    </span>
+  )
+}
+
+export default memo(ChartSettings)
@@ -0,0 +1,29 @@
+import * as React from 'react'
+import { ChartParameters } from '../../reducers/Charts'
+import { Typography, Theme, withStyles } from '@material-ui/core'
+
+function ChartTitle(props: { parameters: ChartParameters; classes: any }) {
+  const { classes, parameters } = props
+  return (
+    <div style={{ flexGrow: 1, overflow: 'hidden', textOverflow: 'ellipsis' }}>
+      <Typography variant="caption" className={classes.topic}>
+        {parameters.dotPath ? parameters.dotPath : parameters.topic}
+      </Typography>
+      <br />
+      <Typography variant="caption" className={classes.topic}>
+        {parameters.dotPath ? parameters.topic : <span dangerouslySetInnerHTML={{ __html: '&nbsp;' }}></span>}
+      </Typography>
+    </div>
+  )
+}
+
+const styles = (theme: Theme) => ({
+  topic: {
+    wordBreak: 'break-all' as 'break-all',
+    whiteSpace: 'nowrap' as 'nowrap',
+    overflow: 'hidden' as 'hidden',
+    textOverflow: 'ellipsis' as 'ellipsis',
+  },
+})
+
+export default withStyles(styles)(ChartTitle)
@@ -0,0 +1,20 @@
+import * as q from '../../../../backend/src/Model'
+import React from 'react'
+import TopicChart from './TopicChart'
+import { ChartParameters } from '../../reducers/Charts'
+import { usePollingToFetchTreeNode } from '../helper/usePollingToFetchTreeNode'
+
+interface Props {
+  tree?: q.Tree<any>
+  parameters: ChartParameters
+}
+
+export function ChartWithTreeNode(props: Props) {
+  const { tree, parameters } = props
+  if (!tree) {
+    return null
+  }
+
+  const treeNode = usePollingToFetchTreeNode(tree, parameters.topic)
+  return <TopicChart treeNode={treeNode} parameters={parameters} />
+}
@@ -0,0 +1,139 @@
+import * as q from '../../../../backend/src/Model'
+import ChartTitle from './ChartTitle'
+import React, { useState, useCallback, memo, useRef } from 'react'
+import TopicPlot from '../TopicPlot'
+import { bindActionCreators } from 'redux'
+import { ChartActions } from './ChartActions'
+import { chartActions } from '../../actions'
+import { ChartParameters } from '../../reducers/Charts'
+import { connect } from 'react-redux'
+import { Paper } from '@material-ui/core'
+const throttle = require('lodash.throttle')
+
+class ClearableMessageBuffer extends q.RingBuffer<q.Message> {
+  public clear() {
+    this.items = []
+    this.start = 0
+    this.end = 0
+  }
+
+  public static fromMessageBuffer(buffer: q.RingBuffer<q.Message>): ClearableMessageBuffer {
+    return new ClearableMessageBuffer(buffer.capacity, buffer.maxItems, buffer.compactionFactor, buffer)
+  }
+
+  public clone(): ClearableMessageBuffer {
+    return ClearableMessageBuffer.fromMessageBuffer(this)
+  }
+}
+
+interface Props {
+  parameters: ChartParameters
+  treeNode?: q.TreeNode<any>
+  actions: {
+    chart: typeof chartActions
+  }
+}
+
+/**
+ * Subscribes to onMessages, stores more data points then the default
+ */
+function useMessageSubscriptionToUpdate(treeNode?: q.TreeNode<any>) {
+  const [lastUpdated, setLastUpdate] = useState(0)
+  const [messageHistory, setMessageHistory] = useState<ClearableMessageBuffer | undefined>()
+  let amendMessageCallback: any
+
+  function subscribeToMessageUpdates() {
+    const throttledUpdate = throttle(() => setLastUpdate(treeNode ? treeNode.lastUpdate : 0), 300)
+
+    if (treeNode) {
+      const newMessageHistory = ClearableMessageBuffer.fromMessageBuffer(treeNode.messageHistory)
+      newMessageHistory.setCapacity(500, 2 * 500 * 10000)
+
+      amendMessageCallback = (message: q.Message) => {
+        newMessageHistory.add(message)
+        throttledUpdate()
+      }
+      treeNode.onMessage.subscribe(amendMessageCallback)
+      setMessageHistory(newMessageHistory)
+    }
+
+    return function cleanup() {
+      treeNode && treeNode.onMessage.unsubscribe(amendMessageCallback)
+      setMessageHistory(undefined)
+    }
+  }
+  React.useEffect(subscribeToMessageUpdates, [treeNode])
+
+  return messageHistory
+}
+
+function useResetDataCallback(messageHistory: ClearableMessageBuffer | undefined) {
+  const [lastUpdated, setLastUpdate] = useState(0)
+
+  return React.useCallback(() => {
+    messageHistory && messageHistory.clear()
+    setLastUpdate(Date.now())
+  }, [messageHistory])
+}
+
+function TopicChart(props: Props) {
+  const { parameters, treeNode } = props
+  const [frozenHistory, setFrozenHistory] = useState<q.MessageHistory | undefined>()
+  const messageHistory = useMessageSubscriptionToUpdate(treeNode)
+
+  const togglePause = useCallback(() => {
+    if (!treeNode) {
+      return
+    }
+
+    setFrozenHistory(frozenHistory ? undefined : messageHistory && messageHistory.clone())
+  }, [props.treeNode, frozenHistory, messageHistory])
+
+  const onRemove = React.useCallback(() => {
+    props.actions.chart.removeChart(props.parameters)
+  }, [props.parameters])
+
+  const resetData = useResetDataCallback(messageHistory)
+
+  return (
+    <Paper
+      style={{ padding: '8px' }}
+      data-test-type="ChartPaper"
+      data-test={`${props.parameters.topic}-${props.parameters.dotPath || ''}`}
+    >
+      <div style={{ display: 'flex' }}>
+        <div style={{ display: 'flex', flexGrow: 1, overflow: 'hidden' }}>
+          <ChartTitle parameters={parameters} />
+          <ChartActions
+            resetDataAction={resetData}
+            parameters={parameters}
+            onRemove={onRemove}
+            paused={Boolean(frozenHistory)}
+            togglePause={togglePause}
+          />
+        </div>
+      </div>
+      <TopicPlot
+        color={props.parameters.color}
+        interpolation={props.parameters.interpolation}
+        timeInterval={props.parameters.timeRange ? props.parameters.timeRange.until : undefined}
+        range={props.parameters.range ? [props.parameters.range.from, props.parameters.range.to] : undefined}
+        history={frozenHistory || messageHistory || new ClearableMessageBuffer(1)}
+        dotPath={parameters.dotPath}
+      />
+    </Paper>
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      chart: bindActionCreators(chartActions, dispatch),
+    },
+  }
+}
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(memo(TopicChart))
@@ -0,0 +1,132 @@
+import * as q from '../../../../backend/src/Model'
+import * as React from 'react'
+import ShowChart from '@material-ui/icons/ShowChart'
+import { AppState } from '../../reducers'
+import { bindActionCreators } from 'redux'
+import { chartActions } from '../../actions'
+import { ChartParameters } from '../../reducers/Charts'
+import { ChartWithTreeNode } from './ChartWithTreeNode'
+import { connect } from 'react-redux'
+import { Grid, Theme, Typography, withStyles } from '@material-ui/core'
+import { List } from 'immutable'
+const { TransitionGroup, CSSTransition } = require('react-transition-group/esm')
+
+interface Props {
+  charts: List<ChartParameters>
+  connectionId?: string
+  tree?: q.Tree<any>
+  actions: {
+    chart: typeof chartActions
+  }
+  classes: any
+}
+
+function spacingForChartCount(count: number): 4 | 6 | 12 {
+  if (count >= 5) {
+    return 4
+  } else if (count >= 2) {
+    return 6
+  } else {
+    return 12
+  }
+}
+
+function mapWidth(width: 'big' | 'medium' | 'small' | undefined, calculatedSpacing: 4 | 6 | 12): 4 | 6 | 12 {
+  switch (width) {
+    case 'big':
+      return 12
+    case 'medium':
+      return 6
+    case 'small':
+      return 4
+    default:
+      return calculatedSpacing
+  }
+}
+
+function ChartPanel(props: Props) {
+  const chartsInView = props.charts.count()
+
+  const [spacing, setSpacing] = React.useState(spacingForChartCount(chartsInView))
+
+  React.useEffect(() => {
+    props.actions.chart.loadCharts()
+  }, [props.connectionId])
+
+  // Update spacing after animations have completed
+  React.useEffect(() => {
+    const newSpacing = spacingForChartCount(chartsInView)
+    if (newSpacing > spacing) {
+      setTimeout(() => setSpacing(newSpacing), 500)
+    } else {
+      setSpacing(newSpacing)
+    }
+  }, [chartsInView])
+
+  const charts = props.charts.map(chartParameters => (
+    <CSSTransition
+      key={`${chartParameters.topic}-${chartParameters.dotPath || ''}`}
+      timeout={{ enter: 500, exit: 500 }}
+      classNames="example"
+    >
+      <Grid item xs={mapWidth(chartParameters.width, spacing)}>
+        <ChartWithTreeNode tree={props.tree} parameters={chartParameters} />
+      </Grid>
+    </CSSTransition>
+  ))
+
+  return (
+    <div className={props.classes.container}>
+      <Grid container spacing={1}>
+        <TransitionGroup component={null} className="example">
+          {charts}
+        </TransitionGroup>
+        {chartsInView === 0 ? <NoCharts key="noCharts" /> : null}
+      </Grid>
+    </div>
+  )
+}
+
+function NoCharts() {
+  return (
+    <div style={{ width: '100%', textAlign: 'center' }}>
+      <Typography variant="h2">No charts selected</Typography>
+      <Typography>Select a numeric values from the value preview.</Typography>
+      <Typography>
+        Click on <ShowChart /> to add a topic / value to this panel.
+      </Typography>
+    </div>
+  )
+}
+
+const mapStateToProps = (state: AppState) => {
+  return {
+    charts: state.charts.get('charts'),
+    connectionId: state.connection.connectionId,
+    tree: state.connection.tree,
+  }
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      chart: bindActionCreators(chartActions, dispatch),
+    },
+  }
+}
+
+const styles = (theme: Theme) => ({
+  container: {
+    backgroundColor: theme.palette.background.default,
+    width: '100%',
+    height: '100%',
+    padding: '8px',
+    flex: 1,
+    overflow: 'hidden scroll',
+  },
+})
+
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(withStyles(styles)(ChartPanel))
@@ -0,0 +1,61 @@
+import React, { useRef, useCallback, memo } from 'react'
+import { ConfirmationRequest } from '../reducers/Global'
+import { Dialog, DialogTitle, DialogContent, DialogContentText, DialogActions, Button } from '@material-ui/core'
+import { KeyCodes } from '../utils/KeyCodes'
+
+function ConfirmationDialog(props: { confirmationRequests: Array<ConfirmationRequest> }) {
+  const request = props.confirmationRequests[0]
+  const yesRef = useRef<HTMLButtonElement>()
+  const noRef = useRef<HTMLButtonElement>()
+  const arrowKeyHandler = useCallback((event: React.KeyboardEvent) => {
+    const isArrowKey = event.keyCode === KeyCodes.arrow_left || event.keyCode === KeyCodes.arrow_right
+    if (!isArrowKey) {
+      return
+    }
+
+    event.stopPropagation()
+    if (document.activeElement === noRef.current) {
+      yesRef.current && yesRef.current.focus()
+    } else {
+      noRef.current && noRef.current.focus()
+    }
+  }, [])
+
+  const confirm = React.useCallback(() => {
+    request && request.callback(true)
+  }, [request])
+  const reject = React.useCallback(() => {
+    request && request.callback(false)
+  }, [request])
+
+  if (!request) {
+    return null
+  }
+
+  return (
+    <Dialog
+      open={true}
+      onClose={reject}
+      aria-labelledby="alert-dialog-title"
+      aria-describedby="alert-dialog-description"
+      onKeyDown={arrowKeyHandler}
+    >
+      <DialogTitle id="alert-dialog-title">{request.title}</DialogTitle>
+      <DialogContent>
+        <DialogContentText id="alert-dialog-description" style={{ whiteSpace: 'pre-wrap' }}>
+          {request.inquiry}
+        </DialogContentText>
+      </DialogContent>
+      <DialogActions>
+        <Button ref={yesRef as any} variant="contained" onClick={confirm} color="primary" autoFocus>
+          Yes
+        </Button>
+        <Button ref={noRef as any} variant="contained" onClick={reject} color="secondary" style={{ marginLeft: '8px' }}>
+          No
+        </Button>
+      </DialogActions>
+    </Dialog>
+  )
+}
+
+export default memo(ConfirmationDialog)
@@ -8,19 +8,9 @@ import { bindActionCreators } from 'redux'
 import { connect } from 'react-redux'
 import { connectionManagerActions } from '../../actions'
 import { ConnectionOptions } from '../../model/ConnectionOptions'
-import { StyleRulesCallback, Theme, withStyles } from '@material-ui/core/styles'
+import { Theme, withStyles } from '@material-ui/core/styles'

-import {
-  Button,
-  Grid,
-  IconButton,
-  TextField,
-  List,
-  ListItem,
-  ListItemText,
-  Tooltip,
-  Typography,
-} from '@material-ui/core'
+import { Button, Grid, IconButton, TextField, List, ListItem, ListItemText, Tooltip } from '@material-ui/core'

 interface Props {
  connection: ConnectionOptions
@@ -44,29 +34,6 @@ class ConnectionSettings extends React.Component<Props, State> {
    })
  }

-  private renderCertificateInfo() {
-    if (!this.props.connection.selfSignedCertificate) {
-      return null
-    }
-
-    return (
-      <span>
-        <Tooltip title={this.props.connection.selfSignedCertificate.name}>
-          <Typography className={this.props.classes.certificateName}>
-            <ClearAdornment action={this.clearCertificate} value={this.props.connection.selfSignedCertificate.name} />
-            {this.props.connection.selfSignedCertificate.name}
-          </Typography>
-      </Tooltip>
-     </span>
-    )
-  }
-
-  private clearCertificate = () => {
-    this.props.managerActions.updateConnection(this.props.connection.id, {
-      selfSignedCertificate: undefined,
-    })
-  }
-
  private renderSubscriptions() {
    const connection = this.props.connection
    return connection.subscriptions.map(subscription => (
@@ -89,27 +56,26 @@ class ConnectionSettings extends React.Component<Props, State> {
                className={classes.fullWidth}
                label="Subscription"
                margin="normal"
-                onChange={(event: React.ChangeEvent<HTMLInputElement>) => this.setState({ subscription: event.target.value })}
+                onChange={(event: React.ChangeEvent<HTMLInputElement>) =>
+                  this.setState({ subscription: event.target.value })
+                }
              />
            </Grid>
            <Grid item={true} xs={2} className={classes.gridPadding}>
              <Button
                className={classes.button}
                color="secondary"
-                onClick={() => this.props.managerActions.addSubscription(this.state.subscription, this.props.connection.id)}
+                onClick={() =>
+                  this.props.managerActions.addSubscription(this.state.subscription, this.props.connection.id)
+                }
                variant="contained"
              >
                <Add /> Add
              </Button>
            </Grid>
            <Grid item={true} xs={12} style={{ padding: 0 }}>
-              <List
-                className={`${classes.topicList} advanced-connection-settings-topic-list`}
-                component="nav"
-              >
-                <div className={classes.list}>
-                  {this.renderSubscriptions()}
-                </div>
+              <List className={`${classes.topicList} advanced-connection-settings-topic-list`} component="nav">
+                <div className={classes.list}>{this.renderSubscriptions()}</div>
              </List>
            </Grid>
            <Grid item={true} xs={7} className={classes.gridPadding}>
@@ -123,16 +89,15 @@ class ConnectionSettings extends React.Component<Props, State> {
            </Grid>
            <Grid item={true} xs={3} className={classes.gridPadding}>
              <div>
-                <Tooltip title="Select certificate to verify authenticity of a self-signed certificate" placement="top">
+                <Tooltip title="Manage tls connection certificates" placement="top">
                  <Button
                    variant="contained"
                    className={classes.button}
-                    onClick={() => this.props.managerActions.selectCertificate(this.props.connection.id)}
+                    onClick={() => this.props.managerActions.toggleCertificateSettings()}
                  >
-                    <Lock /> Certificate
+                    <Lock /> Certificates
                  </Button>
                </Tooltip>
-                {this.renderCertificateInfo()}
              </div>
            </Grid>
            <Grid item={true} xs={2} className={classes.gridPadding}>
@@ -151,17 +116,15 @@ class ConnectionSettings extends React.Component<Props, State> {
  }
 }

-const Subscription = (props: {
-  subscription: string,
-  deleteAction: any,
-}) => {
+const Subscription = (props: { subscription: string; deleteAction: any }) => {
  return (
    <ListItem style={{ padding: '0 0 0 8px' }}>
      <ListItemText>
        <IconButton onClick={props.deleteAction} style={{ padding: '6px' }}>
          <Delete />
        </IconButton>
-        {props.subscription}</ListItemText>
+        {props.subscription}
+      </ListItemText>
    </ListItem>
  )
 }
@@ -172,33 +135,26 @@ const mapDispatchToProps = (dispatch: any) => {
  }
 }

-const styles: StyleRulesCallback<string> = (theme: Theme) => {
-  return {
-    fullWidth: {
-      width: '100%',
-    },
-    gridPadding: {
-      padding: '0 12px !important',
-    },
-    topicList: {
-      height: '180px',
-      overflowY: 'scroll' as 'scroll',
-      margin: '8px 16px',
-      backgroundColor: theme.palette.background.default,
-    },
-    button: {
-      marginTop: theme.spacing(3),
-      float: 'right',
-    },
-    certificateName: {
-      width: '100%',
-      height: 'calc(1em + 4px)',
-      overflow: 'hidden' as 'hidden',
-      whiteSpace: 'nowrap' as 'nowrap',
-      textOverflow: 'ellipsis' as 'ellipsis',
-      color: theme.palette.text.hint,
-    },
-  }
-}
+const styles = (theme: Theme) => ({
+  fullWidth: {
+    width: '100%',
+  },
+  gridPadding: {
+    padding: '0 12px !important',
+  },
+  topicList: {
+    height: '180px',
+    overflowY: 'scroll' as 'scroll',
+    margin: '8px 16px',
+    backgroundColor: theme.palette.background.default,
+  },
+  button: {
+    marginTop: theme.spacing(3),
+    float: 'right' as 'right',
+  },
+})

-export default connect(undefined, mapDispatchToProps)(withStyles(styles)(ConnectionSettings))
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(withStyles(styles)(ConnectionSettings))
@@ -0,0 +1,87 @@
+import * as React from 'react'
+import Add from '@material-ui/icons/Add'
+import ClearAdornment from '../helper/ClearAdornment'
+import Delete from '@material-ui/icons/Delete'
+import Lock from '@material-ui/icons/Lock'
+import { bindActionCreators } from 'redux'
+import { Button, Theme, Tooltip, Typography } from '@material-ui/core'
+import { CertificateParameters, ConnectionOptions } from '../../model/ConnectionOptions'
+import { CertificateTypes } from '../../actions/ConnectionManager'
+import { connect } from 'react-redux'
+import { connectionManagerActions } from '../../actions'
+import { withStyles } from '@material-ui/styles'
+
+function CertificateFileSelection(props: {
+  certificateType: CertificateTypes
+  title: string
+  certificate?: CertificateParameters
+  classes: any
+  actions: {
+    connectionManager: typeof connectionManagerActions
+  }
+  connection: ConnectionOptions
+}) {
+  const clearCertificate = React.useCallback(() => {
+    props.actions.connectionManager.updateConnection(props.connection.id, {
+      [props.certificateType]: undefined,
+    })
+  }, [props.connection, props.certificateType])
+
+  return (
+    <span>
+      <Tooltip title="Select certificate" placement="top">
+        <Button
+          variant="contained"
+          className={props.classes.button}
+          onClick={() => props.actions.connectionManager.selectCertificate(props.certificateType, props.connection.id)}
+        >
+          <Lock /> {props.title}
+        </Button>
+      </Tooltip>
+      <ClearCertificate classes={props.classes} certificate={props.certificate} action={clearCertificate} />
+    </span>
+  )
+}
+
+function ClearCertificate(props: { classes: any; certificate?: CertificateParameters; action: () => void }) {
+  if (!props.certificate) {
+    return null
+  }
+
+  return (
+    <Tooltip title={props.certificate.name}>
+      <Typography className={props.classes.certificateName}>
+        <ClearAdornment action={props.action} value={props.certificate.name} />
+        {props.certificate.name}
+      </Typography>
+    </Tooltip>
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      connectionManager: bindActionCreators(connectionManagerActions, dispatch),
+    },
+  }
+}
+
+const styles = (theme: Theme) => ({
+  certificateName: {
+    width: '100%',
+    height: 'calc(1em + 4px)',
+    overflow: 'hidden' as 'hidden',
+    whiteSpace: 'nowrap' as 'nowrap',
+    textOverflow: 'ellipsis' as 'ellipsis',
+    color: theme.palette.text.hint,
+  },
+  button: {
+    marginTop: theme.spacing(3),
+    marginRight: theme.spacing(2),
+  },
+})
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(withStyles(styles)(CertificateFileSelection))
@@ -0,0 +1,110 @@
+import * as React from 'react'
+import CertificateFileSelection from './CertificateFileSelection'
+import Undo from '@material-ui/icons/Undo'
+import { bindActionCreators } from 'redux'
+import { Button, Grid } from '@material-ui/core'
+import { connect } from 'react-redux'
+import { connectionManagerActions } from '../../actions'
+import { ConnectionOptions } from '../../model/ConnectionOptions'
+import { Theme, withStyles } from '@material-ui/core/styles'
+
+interface Props {
+  connection: ConnectionOptions
+  classes: any
+  managerActions: typeof connectionManagerActions
+}
+
+interface State {
+  subscription: string
+}
+
+class Certificates extends React.PureComponent<Props, State> {
+  constructor(props: any) {
+    super(props)
+    this.state = { subscription: '' }
+  }
+
+  private handleChange = (name: string) => (event: any) => {
+    this.props.managerActions.updateConnection(this.props.connection.id, {
+      [name]: event.target.value,
+    })
+  }
+
+  private renderCertificateInfo() {
+    if (!this.props.connection.selfSignedCertificate) {
+      return null
+    }
+
+    return <span />
+  }
+
+  public render() {
+    const { classes } = this.props
+    return (
+      <div>
+        <form noValidate={true} autoComplete="off">
+          <Grid container={true} spacing={3}>
+            <Grid item={true} xs={12} className={classes.gridPadding}>
+              <CertificateFileSelection
+                connection={this.props.connection}
+                certificate={this.props.connection.selfSignedCertificate}
+                title="Server Certificate (CA)"
+                certificateType="selfSignedCertificate"
+              />
+            </Grid>
+            <Grid item={true} xs={12} className={classes.gridPadding}>
+              <CertificateFileSelection
+                connection={this.props.connection}
+                certificate={this.props.connection.clientCertificate}
+                title="Client Certificate"
+                certificateType="clientCertificate"
+              />
+            </Grid>
+            <Grid item={true} xs={12} className={classes.gridPadding}>
+              <CertificateFileSelection
+                connection={this.props.connection}
+                certificate={this.props.connection.clientKey}
+                title="Client Key"
+                certificateType="clientKey"
+              />
+            </Grid>
+            <Grid item={true} xs={2} className={classes.gridPadding}>
+              <br />
+              <Button
+                variant="contained"
+                className={classes.button}
+                onClick={this.props.managerActions.toggleCertificateSettings}
+              >
+                <Undo /> Back
+              </Button>
+            </Grid>
+          </Grid>
+        </form>
+      </div>
+    )
+  }
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    managerActions: bindActionCreators(connectionManagerActions, dispatch),
+  }
+}
+
+const styles = (theme: Theme) => ({
+  fullWidth: {
+    width: '100%',
+  },
+  gridPadding: {
+    padding: '0 12px !important',
+  },
+  button: {
+    marginTop: theme.spacing(3),
+    marginRight: theme.spacing(2),
+  },
+})
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(withStyles(styles)(Certificates))
@@ -0,0 +1,25 @@
+import ConnectionHealthIndicator from '../helper/ConnectionHealthIndicator'
+import PowerSettingsNew from '@material-ui/icons/PowerSettingsNew'
+import React from 'react'
+import { Button } from '@material-ui/core'
+
+function ConnectButton(props: { connecting: boolean; classes: any; toggle: () => void }) {
+  const { classes, toggle, connecting } = props
+
+  if (connecting) {
+    return (
+      <Button variant="contained" color="primary" className={classes.button} onClick={toggle}>
+        <ConnectionHealthIndicator />
+        &nbsp;&nbsp;Abort
+      </Button>
+    )
+  }
+
+  return (
+    <Button variant="contained" color="primary" className={classes.button} onClick={toggle}>
+      <PowerSettingsNew /> Connect
+    </Button>
+  )
+}
+
+export default ConnectButton
@@ -1,8 +1,8 @@
-import * as React from 'react'
+import ConnectButton from './ConnectButton'
 import Delete from '@material-ui/icons/Delete'
-import Settings from '@material-ui/icons/Settings'
-import PowerSettingsNew from '@material-ui/icons/PowerSettingsNew'
+import React, { useCallback, useState } from 'react'
 import Save from '@material-ui/icons/Save'
+import Settings from '@material-ui/icons/Settings'
 import Visibility from '@material-ui/icons/Visibility'
 import VisibilityOff from '@material-ui/icons/VisibilityOff'
 import { AppState } from '../../reducers'
@@ -10,88 +10,93 @@ import { bindActionCreators } from 'redux'
 import { connect } from 'react-redux'
 import { connectionActions, connectionManagerActions } from '../../actions'
 import { ConnectionOptions, toMqttConnection } from '../../model/ConnectionOptions'
-import { StyleRulesCallback, Theme, withStyles } from '@material-ui/core/styles'
-
+import { KeyCodes } from '../../utils/KeyCodes'
+import { Theme, withStyles } from '@material-ui/core/styles'
+import { ToggleSwitch } from './ToggleSwitch'
+import { useGlobalKeyEventHandler } from '../../effects/useGlobalKeyEventHandler'
 import {
  Button,
  FormControl,
-  FormControlLabel,
  Grid,
  IconButton,
  Input,
  InputAdornment,
  InputLabel,
  MenuItem,
-  Switch,
  TextField,
 } from '@material-ui/core'
-import ConnectionHealthIndicator from '../helper/ConnectionHealthIndicator'

 interface Props {
  connection: ConnectionOptions
-  classes: {[s: string]: string}
-  actions: typeof connectionActions,
+  classes: { [s: string]: string }
+  actions: typeof connectionActions
  managerActions: typeof connectionManagerActions
  connected: boolean
  connecting: boolean
 }

-const protocols = [
-  'mqtt',
-  'ws',
-]
+const protocols = ['mqtt', 'ws']

-interface State {
-  showPassword: boolean
-}
+function ConnectionSettings(props: Props) {
+  const [showPassword, setShowPassword] = useState(false)

-class ConnectionSettings extends React.Component<Props, State> {
-  constructor(props: any) {
-    super(props)
-
-    this.state = {
-      showPassword: false,
+  const toggleConnect = useCallback(() => {
+    if (props.connecting) {
+      props.actions.disconnect()
+      return
    }
+
+    if (!props.connection) {
+      return
+    }
+
+    const mqttOptions = toMqttConnection(props.connection)
+    if (mqttOptions) {
+      props.actions.connect(mqttOptions, props.connection.id)
+    }
+  }, [props.connection, props.connecting])
+
+  useGlobalKeyEventHandler(KeyCodes.escape, props.actions.disconnect)
+  useGlobalKeyEventHandler(KeyCodes.enter, toggleConnect, [props.connecting])
+
+  const handleClickShowPassword = useCallback(() => {
+    setShowPassword(!showPassword)
+  }, [showPassword])
+
+  function requiresBasePath() {
+    return props.connection.protocol !== 'mqtt'
  }

-  private handleClickShowPassword = () => {
-    this.setState({ showPassword: !this.state.showPassword })
-  }
-
-  private requiresBasePath() {
-    return this.props.connection.protocol !== 'mqtt'
-  }
-
-  private renderBasePathInput() {
+  function renderBasePathInput() {
    return (
      <Grid item={true} xs={4}>
        <TextField
          label="Basepath"
-          className={this.props.classes.textField}
-          value={this.props.connection.basePath}
-          onChange={this.handleChange('basePath')}
+          className={props.classes.textField}
+          value={props.connection.basePath}
+          onChange={handleChange('basePath')}
          margin="normal"
        />
      </Grid>
    )
  }

-  private handleChange = (name: string) => (event: any) => {
-    if (!this.props.connection) {
+  const handleChange = (name: string) => (event: any) => {
+    if (!props.connection) {
      return
    }

-    this.updateConnection(name, event.target.value)
+    updateConnection(name, event.target.value)
  }

-  private updateConnection(name: string, value: any) {
-    this.props.managerActions.updateConnection(this.props.connection.id, {
+  const updateConnection = (name: string, value: any) => {
+    props.managerActions.updateConnection(props.connection.id, {
      [name]: value,
    })
  }

-  private renderProtocols() {
-    const { classes, connection } = this.props
+  const renderProtocols = () => {
+    const { classes, connection } = props

    const protocolItems = protocols.map((value: string) => (
      <MenuItem key={value} value={value}>
@@ -105,7 +110,7 @@ class ConnectionSettings extends React.Component<Props, State> {
        label="Protocol"
        className={classes.textField}
        value={connection.protocol}
-        onChange={this.updateProtocol}
+        onChange={updateProtocol}
        margin="normal"
      >
        {protocolItems}
@@ -113,198 +118,142 @@ class ConnectionSettings extends React.Component<Props, State> {
    )
  }

-  private updateProtocol = (event: React.ChangeEvent<HTMLInputElement>) => {
+  const updateProtocol = (event: React.ChangeEvent<HTMLInputElement>) => {
    const value = event.target.value
-    this.updateConnection('protocol', value)
+    updateConnection('protocol', value)
    if (event.target.value === 'mqtt') {
-      this.updateConnection('basePath', undefined)
+      updateConnection('basePath', undefined)
    } else {
-      this.updateConnection('basePath', 'ws')
+      updateConnection('basePath', 'ws')
    }
  }

-  private renderCertValidationSwitch() {
-    const { classes, connection } = this.props
-
-    const certSwitch = (
-      <Switch
-        checked={connection.certValidation}
-        onChange={this.toggleCertValidation}
-        color="primary"
-      />
-    )
-
-    return (
-      <div className={classes.switch}>
-        <FormControlLabel
-          control={certSwitch}
-          label="Validate certificate"
-          labelPlacement="bottom"
-        />
-      </div>
-    )
-  }
-
-  private toggleCertValidation = () => {
-    this.props.managerActions.updateConnection(this.props.connection.id, {
-      certValidation: !this.props.connection.certValidation,
+  const toggleCertValidation = () => {
+    props.managerActions.updateConnection(props.connection.id, {
+      certValidation: !props.connection.certValidation,
    })
  }

-  private renderTlsSwitch() {
-    const { classes, connection } = this.props
-
-    const tlsSwitch = (
-      <Switch
-        checked={connection.encryption}
-        onChange={this.toggleTls}
-        color="primary"
-      />
-    )
-
-    return (
-      <div className={classes.switch}>
-        <FormControlLabel
-          control={tlsSwitch}
-          label="Encryption (tls)"
-          labelPlacement="bottom"
-        />
-      </div>
-    )
-  }
-
-  private toggleTls = () => {
-    this.props.managerActions.updateConnection(this.props.connection.id, {
-      encryption: !this.props.connection.encryption,
+  const toggleTls = () => {
+    props.managerActions.updateConnection(props.connection.id, {
+      encryption: !props.connection.encryption,
    })
  }

-  private renderConnectButton() {
-    const { classes, actions } = this.props
-
-    if (this.props.connecting) {
-      return (
-        <Button variant="contained" color="primary" className={classes.button} onClick={actions.disconnect}>
-          <ConnectionHealthIndicator />&nbsp;&nbsp;Abort
-        </Button>
-      )
-    }
+  function PasswordVisibilityButton(props: { showPassword: boolean; toggle: () => void }) {
    return (
-       <Button variant="contained" color="primary" className={classes.button} onClick={this.onClickConnect}>
-        <PowerSettingsNew /> Connect
-      </Button>
-    )
-  }
-
-  private onClickConnect = () => {
-    if (!this.props.connection) {
-      return
-    }
-
-    const mqttOptions = toMqttConnection(this.props.connection)
-    if (mqttOptions) {
-      this.props.actions.connect(mqttOptions, this.props.connection.id)
-    }
-  }
-
-  public render() {
-    const { classes, connection } = this.props
-
-    const passwordVisibilityButton = (
      <InputAdornment position="end">
-        <IconButton
-          aria-label="Toggle password visibility"
-          onClick={this.handleClickShowPassword}
-        >
-          {this.state.showPassword ? <Visibility /> : <VisibilityOff />}
+        <IconButton aria-label="Toggle password visibility" onClick={props.toggle}>
+          {props.showPassword ? <Visibility /> : <VisibilityOff />}
        </IconButton>
      </InputAdornment>
    )
-
-    return (
-      <div>
-        <form className={classes.container} noValidate={true} autoComplete="off">
-          <Grid container={true} spacing={3}>
-            <Grid item={true} xs={5}>
-              <TextField
-                label="Name"
-                className={classes.textField}
-                value={connection.name}
-                onChange={this.handleChange('name')}
-                margin="normal"
-              />
-            </Grid>
-            <Grid item={true} xs={4}>
-              {this.renderCertValidationSwitch()}
-            </Grid>
-            <Grid item={true} xs={3}>
-              {this.renderTlsSwitch()}
-            </Grid>
-            <Grid item={true} xs={2}>
-              {this.renderProtocols()}
-            </Grid>
-            <Grid item={true} xs={7}>
-              <TextField
-                label="Host"
-                className={classes.textField}
-                value={connection.host}
-                onChange={this.handleChange('host')}
-                margin="normal"
-              />
-            </Grid>
-            <Grid item={true} xs={3}>
-              <TextField
-                label="Port"
-                className={classes.textField}
-                value={connection.port}
-                onChange={this.handleChange('port')}
-                margin="normal"
-              />
-            </Grid>
-            {this.requiresBasePath() ? this.renderBasePathInput() : null}
-            <Grid item={true} xs={this.requiresBasePath() ? 4 : 6}>
-              <TextField
-                label="Username"
-                className={classes.textField}
-                value={connection.username}
-                onChange={this.handleChange('username')}
-                margin="normal"
-              />
-            </Grid>
-            <Grid item={true} xs={this.requiresBasePath() ? 4 : 6}>
-              <FormControl className={`${classes.textField} ${classes.inputFormControl}`}>
-                <InputLabel htmlFor="adornment-password">Password</InputLabel>
-                <Input
-                  id="adornment-password"
-                  type={this.state.showPassword ? 'text' : 'password'}
-                  value={connection.password}
-                  onChange={this.handleChange('password')}
-                  endAdornment={passwordVisibilityButton}
-                />
-              </FormControl>
-            </Grid>
-          </Grid>
-          <br />
-          <div>
-            <div style={{ float: 'left' }}>
-              <Button variant="contained" className={classes.button} onClick={() => this.props.managerActions.deleteConnection(this.props.connection.id)}>
-                Delete <Delete />
-              </Button>
-              <Button variant="contained" className={classes.button} onClick={this.props.managerActions.toggleAdvancedSettings}>
-                <Settings /> Advanced
-              </Button>
-            </div>
-            <div style={{ float : 'right' }}>
-              <Button variant="contained" color="secondary" className={classes.button} onClick={this.props.managerActions.saveConnectionSettings}>
-                <Save /> Save
-              </Button>
-              {this.renderConnectButton()}
-            </div>
-          </div>
-        </form>
-      </div>
-    )
  }
+
+  const { classes, connection } = props
+
+  return (
+    <div>
+      <form className={classes.container} noValidate={true} autoComplete="off">
+        <Grid container={true} spacing={3}>
+          <Grid item={true} xs={5}>
+            <TextField
+              autoFocus={true}
+              label="Name"
+              className={classes.textField}
+              value={connection.name}
+              onChange={handleChange('name')}
+              margin="normal"
+            />
+          </Grid>
+          <Grid item={true} xs={4}>
+            <ToggleSwitch
+              label="Validate certificate"
+              classes={classes}
+              value={connection.certValidation}
+              toggle={toggleCertValidation}
+            />
+          </Grid>
+          <Grid item={true} xs={3}>
+            <ToggleSwitch label="Encryption (tls)" classes={classes} value={connection.encryption} toggle={toggleTls} />
+          </Grid>
+          <Grid item={true} xs={2}>
+            {renderProtocols()}
+          </Grid>
+          <Grid item={true} xs={7}>
+            <TextField
+              label="Host"
+              className={classes.textField}
+              value={connection.host}
+              onChange={handleChange('host')}
+              margin="normal"
+            />
+          </Grid>
+          <Grid item={true} xs={3}>
+            <TextField
+              label="Port"
+              className={classes.textField}
+              value={connection.port}
+              onChange={handleChange('port')}
+              margin="normal"
+            />
+          </Grid>
+          {requiresBasePath() ? renderBasePathInput() : null}
+          <Grid item={true} xs={requiresBasePath() ? 4 : 6}>
+            <TextField
+              label="Username"
+              className={classes.textField}
+              value={connection.username}
+              onChange={handleChange('username')}
+              margin="normal"
+            />
+          </Grid>
+          <Grid item={true} xs={requiresBasePath() ? 4 : 6}>
+            <FormControl className={`${classes.textField} ${classes.inputFormControl}`}>
+              <InputLabel htmlFor="adornment-password">Password</InputLabel>
+              <Input
+                id="adornment-password"
+                type={showPassword ? 'text' : 'password'}
+                value={connection.password}
+                onChange={handleChange('password')}
+                endAdornment={<PasswordVisibilityButton showPassword={showPassword} toggle={handleClickShowPassword} />}
+              />
+            </FormControl>
+          </Grid>
+        </Grid>
+        <br />
+        <div>
+          <div style={{ float: 'left' }}>
+            <Button
+              variant="contained"
+              className={classes.button}
+              onClick={() => props.managerActions.deleteConnection(props.connection.id)}
+            >
+              Delete <Delete />
+            </Button>
+            <Button
+              variant="contained"
+              className={classes.button}
+              onClick={props.managerActions.toggleAdvancedSettings}
+            >
+              <Settings /> Advanced
+            </Button>
+          </div>
+          <div style={{ float: 'right' }}>
+            <Button
+              variant="contained"
+              color="secondary"
+              className={classes.button}
+              onClick={props.managerActions.saveConnectionSettings}
+            >
+              <Save /> Save
+            </Button>
+            <ConnectButton toggle={toggleConnect} connecting={props.connecting} classes={classes} />
+          </div>
+        </div>
+      </form>
+    </div>
+  )
 }

 const mapStateToProps = (state: AppState) => {
@@ -321,21 +270,22 @@ const mapDispatchToProps = (dispatch: any) => {
  }
 }

-const styles: StyleRulesCallback<string> = (theme: Theme) => {
-  return {
-    textField: {
-      width: '100%',
-    },
-    switch: {
-      marginTop: 0,
-    },
-    button: {
-      margin: theme.spacing(1),
-    },
-    inputFormControl: {
-      marginTop: '16px',
-    },
-  }
-}
+const styles = (theme: Theme) => ({
+  textField: {
+    width: '100%',
+  },
+  switch: {
+    marginTop: 0,
+  },
+  button: {
+    margin: theme.spacing(1),
+  },
+  inputFormControl: {
+    marginTop: '16px',
+  },
+})

-export default connect(mapStateToProps, mapDispatchToProps)(withStyles(styles)(ConnectionSettings))
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(withStyles(styles)(ConnectionSettings))
@@ -7,14 +7,9 @@ import { connect } from 'react-redux'
 import { connectionManagerActions } from '../../actions'
 import { ConnectionOptions, toMqttConnection } from '../../model/ConnectionOptions'
 import { Theme, withStyles } from '@material-ui/core/styles'
-import {
-  Modal,
-  Paper,
-  Toolbar,
-  Typography,
-  Collapse,
-} from '@material-ui/core'
+import { Modal, Paper, Toolbar, Typography, Collapse } from '@material-ui/core'
 import AdvancedConnectionSettings from './AdvancedConnectionSettings'
+import Certificates from './Certificates'

 interface Props {
  actions: any
@@ -22,23 +17,31 @@ interface Props {
  connection?: ConnectionOptions
  visible: boolean
  showAdvancedSettings: boolean
+  showCertificateSettings: boolean
 }

-class ConnectionSetup extends React.Component<Props, {}> {
+class ConnectionSetup extends React.PureComponent<Props, {}> {
  constructor(props: Props) {
    super(props)
  }

  private renderSettings() {
-    const { connection, showAdvancedSettings } = this.props
+    const { connection, showAdvancedSettings, showCertificateSettings } = this.props
    if (!connection) {
      return null
    }

    return (
      <div>
-        <Collapse in={!showAdvancedSettings}><ConnectionSettings connection={connection} /></Collapse>
-        <Collapse in={showAdvancedSettings}><AdvancedConnectionSettings connection={connection} /></Collapse>
+        <Collapse in={!showAdvancedSettings && !showCertificateSettings}>
+          <ConnectionSettings connection={connection} />
+        </Collapse>
+        <Collapse in={showAdvancedSettings && !showCertificateSettings}>
+          <AdvancedConnectionSettings connection={connection} />
+        </Collapse>
+        <Collapse in={showCertificateSettings}>
+          <Certificates connection={connection} />
+        </Collapse>
      </div>
    )
  }
@@ -54,13 +57,15 @@ class ConnectionSetup extends React.Component<Props, {}> {
      <div>
        <Modal open={visible} disableAutoFocus={true}>
          <Paper className={classes.root}>
-            <div className={classes.left}><ProfileList /></div>
+            <div className={classes.left}>
+              <ProfileList />
+            </div>
            <div className={classes.right} key={connection && connection.id}>
              <Toolbar>
-                <Typography className={classes.title} variant="h6" color="inherit">MQTT Connection</Typography>
-                <Typography className={classes.connectionUri}>
-                  {mqttConnection && mqttConnection.url}
+                <Typography className={classes.title} variant="h6" color="inherit">
+                  MQTT Connection
                </Typography>
+                <Typography className={classes.connectionUri}>{mqttConnection && mqttConnection.url}</Typography>
              </Toolbar>
              {this.renderSettings()}
            </div>
@@ -90,9 +95,10 @@ const styles = (theme: Theme) => ({
    borderRadius: `${theme.shape.borderRadius}px 0 0 ${theme.shape.borderRadius}px`,
    paddingTop: theme.spacing(2),
    flex: 3,
-    overflow: 'hidden',
+    overflow: 'hidden' as 'hidden',
    backgroundColor: theme.palette.background.default,
    color: theme.palette.text.primary,
+    overflowY: 'auto' as 'auto',
  },
  right: {
    borderRadius: `0 ${theme.shape.borderRadius}px ${theme.shape.borderRadius}px 0`,
@@ -115,7 +121,10 @@ const mapStateToProps = (state: AppState) => {
  return {
    visible: !state.connection.connected,
    showAdvancedSettings: state.connectionManager.showAdvancedSettings,
-    connection: state.connectionManager.selected ? state.connectionManager.connections[state.connectionManager.selected] : undefined,
+    showCertificateSettings: state.connectionManager.showCertificateSettings,
+    connection: state.connectionManager.selected
+      ? state.connectionManager.connections[state.connectionManager.selected]
+      : undefined,
  }
 }

@@ -125,4 +134,7 @@ const mapDispatchToProps = (dispatch: any) => {
  }
 }

-export default connect(mapStateToProps, mapDispatchToProps)(withStyles(styles)(ConnectionSetup))
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(withStyles(styles)(ConnectionSetup))
@@ -1,113 +0,0 @@
-import * as React from 'react'
-import { AddButton } from './AddButton'
-import { AppState } from '../../reducers'
-import { bindActionCreators } from 'redux'
-import { connect } from 'react-redux'
-import { connectionManagerActions } from '../../actions'
-import { ConnectionOptions, toMqttConnection } from '../../model/ConnectionOptions'
-import { Theme, withStyles } from '@material-ui/core/styles'
-import {
-  List,
-  ListItem,
-  ListSubheader,
-  Typography,
-} from '@material-ui/core'
-
-interface Props {
-  classes: any
-  selected?: string
-  connections: {[s: string]: ConnectionOptions}
-  actions: any
-}
-
-class ProfileList extends React.Component<Props, {}> {
-  constructor(props: Props) {
-    super(props)
-  }
-
-  private addConnectionButton() {
-    return <span id="addProfileButton" style={{ marginRight: '12px' }}><AddButton action={this.props.actions.createConnection} /></span>
-  }
-
-  public render() {
-    return (
-      <List
-        style={{ height: '100%' }}
-        component="nav"
-        subheader={<ListSubheader component="div">{this.addConnectionButton()}Connections</ListSubheader>}
-      >
-        <div className={this.props.classes.list}>
-          {Object.values(this.props.connections).map(connection => <ConnectionItem connection={connection} key={connection.id} selected={this.props.selected === connection.id} />)}
-        </div>
-      </List>
-    )
-  }
-}
-
-const styles = (theme: Theme) => ({
-  list: {
-    marginTop: theme.spacing(1),
-    height: `calc(100% - ${theme.spacing(6)})`,
-    overflowY: 'auto' as 'auto',
-  },
-})
-
-const mapDispatchToProps = (dispatch: any) => {
-  return {
-    actions: bindActionCreators(connectionManagerActions, dispatch),
-  }
-}
-
-interface ConnectionItemProps {
-  connection: ConnectionOptions,
-  actions: any,
-  selected: boolean,
-  classes: any
-}
-
-const connectionItemStyle = (theme: Theme) => ({
-  name: {
-    width: '100%',
-    textOverflow: 'ellipsis' as 'ellipsis',
-    whiteSpace: 'nowrap' as 'nowrap',
-    overflow: 'hidden' as 'hidden',
-  },
-  details: {
-    width: '100%',
-    textOverflow: 'ellipsis' as 'ellipsis',
-    whiteSpace: 'nowrap' as 'nowrap',
-    overflow: 'hidden' as 'hidden',
-    color: theme.palette.text.hint,
-    fontSize: '0.7em',
-  },
-})
-
-const connectionItemRenderer = withStyles(connectionItemStyle)((props: ConnectionItemProps) => {
-  const connection = props.connection.host && toMqttConnection(props.connection)
-  return (
-    <ListItem
-      button={true}
-      selected={props.selected}
-      style={{ display: 'block' }}
-      onClick={() => props.actions.selectConnection(props.connection.id)}
-    >
-      <Typography className={props.classes.name}>
-        {props.connection.name || 'mqtt broker'}
-      </Typography>
-      <Typography className={props.classes.details}>
-        {connection && connection.url}
-      </Typography>
-    </ListItem>
-  )
-})
-
-const ConnectionItem = connect(null, mapDispatchToProps)(connectionItemRenderer)
-
-const mapStateToProps = (state: AppState) => {
-  return {
-    connections: state.connectionManager.connections,
-    selected: state.connectionManager.selected,
-  }
-}
-
-export default connect(mapStateToProps, mapDispatchToProps)(withStyles(styles)(ProfileList))
@@ -14,19 +14,12 @@ const styles = (theme: Theme) => ({
  },
 })

-export const AddButton = withStyles(styles)((props: {
-  classes: any,
-  action: any,
-}) => {
+export const AddButton = withStyles(styles)((props: { classes: any; action: any }) => {
  return (
-    <Fab
-      size="small"
-      color="secondary"
-      aria-label="Add"
-      className={props.classes.addButton}
-      onClick={props.action}
-    >
-      <Add className={props.classes.addIcon} />
-    </Fab>
+    <span id="addProfileButton" style={{ marginRight: '12px' }}>
+      <Fab size="small" color="secondary" aria-label="Add" className={props.classes.addButton} onClick={props.action}>
+        <Add className={props.classes.addIcon} />
+      </Fab>
+    </span>
  )
 })
@@ -0,0 +1,57 @@
+import React from 'react'
+import { connect } from 'react-redux'
+import { ListItem, Typography } from '@material-ui/core'
+import { toMqttConnection, ConnectionOptions } from '../../../model/ConnectionOptions'
+import { withStyles, Theme } from '@material-ui/core/styles'
+import { bindActionCreators } from 'redux'
+import { connectionManagerActions } from '../../../actions'
+
+export interface Props {
+  connection: ConnectionOptions
+  actions: any
+  selected: boolean
+  classes: any
+}
+
+const ConnectionItem = (props: Props) => {
+  const connection = props.connection.host && toMqttConnection(props.connection)
+  return (
+    <ListItem
+      button={true}
+      selected={props.selected}
+      style={{ display: 'block' }}
+      onClick={() => props.actions.selectConnection(props.connection.id)}
+    >
+      <Typography className={props.classes.name}>{props.connection.name || 'mqtt broker'}</Typography>
+      <Typography className={props.classes.details}>{connection && connection.url}</Typography>
+    </ListItem>
+  )
+}
+
+export const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: bindActionCreators(connectionManagerActions, dispatch),
+  }
+}
+
+export const connectionItemStyle = (theme: Theme) => ({
+  name: {
+    width: '100%',
+    textOverflow: 'ellipsis' as 'ellipsis',
+    whiteSpace: 'nowrap' as 'nowrap',
+    overflow: 'hidden' as 'hidden',
+  },
+  details: {
+    width: '100%',
+    textOverflow: 'ellipsis' as 'ellipsis',
+    whiteSpace: 'nowrap' as 'nowrap',
+    overflow: 'hidden' as 'hidden',
+    color: theme.palette.text.hint,
+    fontSize: '0.7em',
+  },
+})
+
+export default connect(
+  null,
+  mapDispatchToProps
+)(withStyles(connectionItemStyle)(ConnectionItem))
@@ -0,0 +1,83 @@
+import ConnectionItem from './ConnectionItem'
+import React from 'react'
+import { AddButton } from './AddButton'
+import { AppState } from '../../../reducers'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+import { connectionManagerActions } from '../../../actions'
+import { ConnectionOptions } from '../../../model/ConnectionOptions'
+import { KeyCodes } from '../../../utils/KeyCodes'
+import { List, ListSubheader } from '@material-ui/core'
+import { Theme, withStyles } from '@material-ui/core/styles'
+import { useGlobalKeyEventHandler } from '../../../effects/useGlobalKeyEventHandler'
+
+interface Props {
+  classes: any
+  selected?: string
+  connections: { [s: string]: ConnectionOptions }
+  actions: typeof connectionManagerActions
+}
+
+function ProfileList(props: Props) {
+  const { actions, classes, connections, selected } = props
+
+  const selectConnection = (dir: 'next' | 'previous') => (event: KeyboardEvent) => {
+    if (!selected) {
+      return
+    }
+    const indexDirection = dir === 'next' ? 1 : -1
+    const connectionArray = Object.values(connections)
+    const selectedIndex = connectionArray.map(connection => connection.id).indexOf(selected)
+    const nextConnection = connectionArray[selectedIndex + indexDirection]
+    if (nextConnection) {
+      actions.selectConnection(nextConnection.id)
+    }
+    event.preventDefault()
+  }
+
+  useGlobalKeyEventHandler(KeyCodes.arrow_down, selectConnection('next'))
+  useGlobalKeyEventHandler(KeyCodes.arrow_up, selectConnection('previous'))
+
+  const createConnectionButton = (
+    <div style={{ padding: '8px 16px' }}>
+      <AddButton action={actions.createConnection} />
+      Connections
+    </div>
+  )
+
+  return (
+    <List style={{ height: '100%' }} component="nav" subheader={createConnectionButton}>
+      <div className={classes.list}>
+        {Object.values(connections).map(connection => (
+          <ConnectionItem connection={connection} key={connection.id} selected={selected === connection.id} />
+        ))}
+      </div>
+    </List>
+  )
+}
+
+const styles = (theme: Theme) => ({
+  list: {
+    marginTop: theme.spacing(1),
+    height: `calc(100% - ${theme.spacing(6)})`,
+    overflowY: 'auto' as 'auto',
+  },
+})
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: bindActionCreators(connectionManagerActions, dispatch),
+  }
+}
+
+const mapStateToProps = (state: AppState) => {
+  return {
+    connections: state.connectionManager.connections,
+    selected: state.connectionManager.selected,
+  }
+}
+
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(withStyles(styles)(ProfileList))
@@ -0,0 +1,12 @@
+import React from 'react'
+import { FormControlLabel, Switch } from '@material-ui/core'
+
+export function ToggleSwitch(props: { value: boolean; classes: any; toggle: () => void; label: string }) {
+  const { classes, value, toggle, label } = props
+  const toggleSwitch = <Switch checked={value} onChange={toggle} color="primary" />
+  return (
+    <div className={classes.switch}>
+      <FormControlLabel control={toggleSwitch} label={label} labelPlacement="bottom" />
+    </div>
+  )
+}
@@ -13,7 +13,6 @@ class Key extends React.Component<Props, {}> {
  }

  public render() {
-
    return (
      <div className={this.props.classes.keyStyle}>
        <div className={this.props.classes.keyTextStyle}>{this.props.keyboardKey}</div>
@@ -4,13 +4,13 @@ const cursor = require('./cursor.png')

 interface State {
  enabled: boolean
-  target: {x: number, y: number}
-  position: {x: number, y: number}
-  stepSizeX: number,
-  stepSizeY: number,
+  target: { x: number; y: number }
+  position: { x: number; y: number }
+  stepSizeX: number
+  stepSizeY: number
 }

-class Demo extends React.Component<{classes: any}, State> {
+class Demo extends React.Component<{ classes: any }, State> {
  private timer: any
  private frameInterval = 20

@@ -32,8 +32,8 @@ class Demo extends React.Component<{classes: any}, State> {

    this.setState({
      position: {
-        x: this.state.position.x + (dirX * steSizeX),
-        y: this.state.position.y + (dirY * steSizeY),
+        x: this.state.position.x + dirX * steSizeX,
+        y: this.state.position.y + dirY * steSizeY,
      },
    })

@@ -43,10 +43,10 @@ class Demo extends React.Component<{classes: any}, State> {
  }

  public componentDidMount() {
-    (window as any).demo.enableMouse = () => {
+    ;(window as any).demo.enableMouse = () => {
      this.setState({ enabled: true })
    }
-    (window as any).demo.moveMouse = (x: number, y: number, animationTime: number) => {
+    ;(window as any).demo.moveMouse = (x: number, y: number, animationTime: number) => {
      const stepSizeX = Math.abs(this.state.position.x - x) / (animationTime / this.frameInterval)
      const stepSizeY = Math.abs(this.state.position.y - y) / (animationTime / this.frameInterval)
      this.setState({ stepSizeX, stepSizeY, enabled: true, target: { x, y } })
@@ -64,9 +64,7 @@ class Demo extends React.Component<{classes: any}, State> {
      top: this.state.position.y + 2,
    }

-    return (
-      <img src={cursor} style={cursorStyle} className={this.props.classes.cursor} />
-    )
+    return <img src={cursor} style={cursorStyle} className={this.props.classes.cursor} />
  }
 }

@@ -8,7 +8,7 @@ interface State {
  location: string
 }

-class Demo extends React.Component<{classes: any}, State> {
+class Demo extends React.Component<{ classes: any }, State> {
  private timer: any
  constructor(props: any) {
    super(props)
@@ -20,20 +20,24 @@ class Demo extends React.Component<{classes: any}, State> {
  }

  public componentDidMount() {
-    (window as any).demo.showMessage = (message: string, location: string, duration: number, keys: Array<string> = []) => {
+    ;(window as any).demo.showMessage = (
+      message: string,
+      location: string,
+      duration: number,
+      keys: Array<string> = []
+    ) => {
      this.clearTimer()
      this.setState({ message, location, keys })
      this.timer = setTimeout(() => this.setState({ message: undefined }), duration)
    }
-
-    (window as any).demo.hideMessage = () => {
+    ;(window as any).demo.hideMessage = () => {
      this.clearTimer()
      this.setState({ message: undefined })
    }
  }

  public render() {
-    const positions: {[s: string]: number} = {
+    const positions: { [s: string]: number } = {
      top: 0,
      bottom: -65,
      middle: -32,
@@ -52,7 +56,6 @@ class Demo extends React.Component<{classes: any}, State> {
      color: 'white',
      backgroundColor: 'rgba(0, 0, 0, 0.8)',
      borderRadius: '16px',
-
    }

    if (!this.state.message) {
@@ -61,7 +64,8 @@ class Demo extends React.Component<{classes: any}, State> {

    let keys: Array<any> = []
    if (this.state.keys.length > 0) {
-      keys = this.state.keys.map(key => [<Key key={key} keyboardKey={key} />])
+      keys = this.state.keys
+        .map(key => [<Key key={key} keyboardKey={key} />])
        .reduce((prev, current) => {
          return [prev, '+' as any, current]
        })
@@ -12,7 +12,7 @@ function writeHeapdump(path?: string) {
  return path
 }

-(window as any).demo = {
+;(window as any).demo = {
  writeHeapdump,
 }

@@ -2,15 +2,9 @@ import * as React from 'react'
 import PersistentStorage from '../utils/PersistentStorage'
 import SentimentDissatisfied from '@material-ui/icons/SentimentDissatisfied'
 import Warning from '@material-ui/icons/Warning'
-import { electronRendererTelementry } from 'electron-telemetry'
+import { electronRendererTelemetry } from 'electron-telemetry'
 import { Theme, withStyles } from '@material-ui/core/styles'
-import {
-  Button,
-  Modal,
-  Paper,
-  Toolbar,
-  Typography,
-} from '@material-ui/core'
+import { Button, Modal, Paper, Toolbar, Typography } from '@material-ui/core'

 interface State {
  error?: Error
@@ -20,8 +14,7 @@ interface Props {
  classes: any
 }

-class ErrorBoundary extends React.Component<Props, State> {
-
+class ErrorBoundary extends React.PureComponent<Props, State> {
  public static getDerivedStateFromError(error: Error) {
    return { error }
  }
@@ -40,7 +33,7 @@ class ErrorBoundary extends React.Component<Props, State> {
  }

  public componentDidCatch(error: Error, errorInfo: any) {
-    electronRendererTelementry.trackError(error)
+    electronRendererTelemetry.trackError(error)
    console.log('did catch', error)
  }

@@ -54,23 +47,36 @@ class ErrorBoundary extends React.Component<Props, State> {
      <Modal open={true} disableAutoFocus={true}>
        <Paper className={classes.root}>
          <Toolbar style={{ padding: '0' }}>
-            <Typography className={classes.title} variant="h6" color="inherit"><Warning /> Oooooops!</Typography>
+            <Typography className={classes.title} variant="h6" color="inherit">
+              <Warning /> Oooooops!
+            </Typography>
          </Toolbar>
-          <Typography className={classes.centered}>I hoped that you would never see this window, but MQTT-Explorer had an unexpected error.</Typography>
-          <Typography className={classes.centered}><SentimentDissatisfied /></Typography>
+          <Typography className={classes.centered}>
+            I hoped that you would never see this window, but MQTT-Explorer had an unexpected error.
+          </Typography>
+          <Typography className={classes.centered}>
+            <SentimentDissatisfied />
+          </Typography>
          <pre className={classes.textColor} style={{ maxHeight: '35vh', overflow: 'scroll' }}>
-            <code className={classes.textColor}>
-              {this.state.error.stack}
-            </code>
+            <code className={classes.textColor}>{this.state.error.stack}</code>
          </pre>
          <Typography>
            Please report this issue with a short description of what happened to
-            <span> <a className={classes.textColor} href="https://github.com/thomasnordquist/MQTT-Explorer/issues">https://github.com/thomasnordquist/MQTT-Explorer/issues</a></span>
+            <span>
+              {' '}
+              <a className={classes.textColor} href="https://github.com/thomasnordquist/MQTT-Explorer/issues">
+                https://github.com/thomasnordquist/MQTT-Explorer/issues
+              </a>
+            </span>
          </Typography>
          <div>
            <div className={classes.buttonPositioning}>
-              <Button className={classes.button} variant="contained" color="secondary" onClick={this.clearStorage}>Start Fresh</Button>
-              <Button className={classes.button} variant="contained" color="primary" onClick={this.restart}>Restart</Button>
+              <Button className={classes.button} variant="contained" color="secondary" onClick={this.clearStorage}>
+                Start Fresh
+              </Button>
+              <Button className={classes.button} variant="contained" color="primary" onClick={this.restart}>
+                Restart
+              </Button>
            </div>
          </div>
        </Paper>
@@ -98,6 +104,7 @@ const styles = (theme: Theme) => ({
  },
  textColor: {
    color: theme.palette.text.primary,
+    userSelect: 'all' as 'all',
  },
  centered: {
    textAlign: 'center' as 'center',
@@ -1,27 +1,116 @@
 import * as React from 'react'
+import ChartPanel from '../ChartPanel'
 import ReactSplitPane from 'react-split-pane'
+import Tree from '../Tree'
+import { AppState } from '../../reducers'
+import { ChartParameters } from '../../reducers/Charts'
+import { connect } from 'react-redux'
+import { List } from 'immutable'
 import { Sidebar } from '../Sidebar'
-import Tree from '../Tree/Tree'
+import ReactResizeDetector from 'react-resize-detector'
+
+interface Props {
+  heightProperty: any
+  paneDefaults: any
+  connectionId?: string
+  chartPanelItems: List<ChartParameters>
+}
+
+function ContentView(props: Props) {
+  const [height, setHeight] = React.useState<string | number>('100%')
+  const [sidebarWidth, setSidebarWidth] = React.useState<string | number>('40%')
+  const [detectedHeight, setDetectedHeight] = React.useState(0)
+  const [detectedSidebarWidth, setDetectedSidebarWidth] = React.useState(0)
+  const detectSize = React.useCallback((width, newHeight) => {
+    setDetectedHeight(newHeight)
+  }, [])
+
+  const detectSidebarSize = React.useCallback(width => {
+    setDetectedSidebarWidth(width)
+  }, [])
+
+  const closeDrawerCompletelyIfItSitsOnTheEdge = React.useCallback(() => {
+    if (detectedHeight < 30) {
+      setHeight('100%')
+    }
+  }, [detectedHeight])
+
+  const closeSidebarCompletelyIfItSitsOnTheEdge = React.useCallback(() => {
+    if (detectedSidebarWidth < 30) {
+      setSidebarWidth('0%')
+    }
+  }, [detectedSidebarWidth])
+
+  // Open chart panel on start and when a new chart is added but the panel is closed
+  React.useEffect(() => {
+    const almostClosed = !isNaN(height as any) && detectedHeight < 30
+    if ((!height || height === '100%' || almostClosed) && props.chartPanelItems.count() > 0) {
+      setHeight('calc(100% - 250px)')
+    }
+
+    if (props.chartPanelItems.count() === 0) {
+      setHeight('100%')
+    }
+  }, [props.chartPanelItems])

-export default function ContentView(props: {heightProperty: any, paneDefaults: any, connectionId: any}) {
  return (
-    <ReactSplitPane
-      step={20}
-      primary="second"
-      className={props.heightProperty}
-      split="vertical"
-      minSize={250}
-      defaultSize={500}
-      allowResize={true}
-      style={{ position: 'relative' }}
-      pane1Style={{ overflow: 'hidden' }}
-    >
-      <div className={props.paneDefaults}>
-        <Tree />
-      </div>
-      <div className={props.paneDefaults}>
-        <Sidebar connectionId={props.connectionId} />
-      </div>
-    </ReactSplitPane>
+    <div className={props.paneDefaults}>
+      <span>
+        <ReactSplitPane
+          step={20}
+          primary="second"
+          className={props.heightProperty}
+          split="vertical"
+          minSize={0}
+          size={sidebarWidth}
+          onChange={setSidebarWidth}
+          onDragFinished={closeSidebarCompletelyIfItSitsOnTheEdge}
+          allowResize={true}
+          style={{ height: '100%' }}
+          pane1Style={{ overflowX: 'hidden' }}
+          resizerStyle={{ height: '100%' }}
+        >
+          <span>
+            <ReactSplitPane
+              step={10}
+              split="horizontal"
+              minSize={0}
+              size={height}
+              allowResize={true}
+              style={{ height: 'calc(100vh - 64px)' }}
+              pane1Style={{ maxHeight: '100%' }}
+              pane2Style={{ borderTop: '1px solid #999', display: 'flex' }}
+              onChange={setHeight}
+              onDragFinished={closeDrawerCompletelyIfItSitsOnTheEdge}
+            >
+              <Tree />
+              {/** Passing height constraints via flex options down */}
+              <div style={{ flex: 1, display: 'flex', height: '100%', width: '100%' }}>
+                {/** Resize detector must not be in the scroll zone, it needs to detect actual available size */}
+                <ReactResizeDetector handleHeight={true} onResize={detectSize} />
+                <ChartPanel />
+              </div>
+            </ReactSplitPane>
+          </span>
+          <div style={{ height: '100%' }}>
+            <ReactResizeDetector handleWidth={true} onResize={detectSidebarSize} />
+            <div
+              className={props.paneDefaults}
+              style={{ minWidth: '250px', height: '100%', overflowY: 'auto', overflowX: 'hidden' }}
+            >
+              <Sidebar connectionId={props.connectionId} />
+            </div>
+          </div>
+        </ReactSplitPane>
+      </span>
+    </div>
  )
 }
+
+const mapStateToProps = (state: AppState) => {
+  return {
+    chartPanelItems: state.charts.get('charts'),
+  }
+}
+
+export default connect(mapStateToProps)(ContentView)
@@ -11,7 +11,7 @@ interface Props {
  classes: any
 }

-class Notification extends React.Component<Props, {}> {
+class Notification extends React.PureComponent<Props, {}> {
  constructor(props: Props) {
    super(props)
  }
@@ -2,15 +2,14 @@ import * as React from 'react'
 import * as q from '../../../../backend/src/Model'
 import CustomIconButton from '../helper/CustomIconButton'
 import Pause from '@material-ui/icons/PauseCircleFilled'
-import Resume from '@material-ui/icons/PlayCircleFilled'
+import Resume from '@material-ui/icons/PlayArrow'
 import { AppState } from '../../reducers'
 import { bindActionCreators } from 'redux'
 import { connect } from 'react-redux'
 import { treeActions } from '../../actions'
-import { StyleRulesCallback, withStyles } from '@material-ui/core/styles'
-import { Tooltip } from '@material-ui/core'
+import { withStyles, Theme } from '@material-ui/core/styles'

-const styles: StyleRulesCallback = theme => ({
+const styles = (theme: Theme) => ({
  icon: {
    color: theme.palette.primary.contrastText,
    verticalAlign: 'middle' as 'middle',
@@ -23,13 +22,13 @@ const styles: StyleRulesCallback = theme => ({
 interface Props {
  classes: any
  actions: {
-    tree: typeof treeActions,
+    tree: typeof treeActions
  }
  paused: boolean
  tree?: q.Tree<any>
 }

-class PauseButton extends React.Component<Props, {changes: number}> {
+class PauseButton extends React.PureComponent<Props, { changes: number }> {
  private timer?: any
  constructor(props: Props) {
    super(props)
@@ -43,7 +42,8 @@ class PauseButton extends React.Component<Props, {changes: number}> {

    return (
      <span className={this.props.classes.bufferStats}>
-        {this.state.changes} changes<br />
+        {this.state.changes} changes
+        <br />
        buffer at {Math.round(this.props.tree.unmergedChanges().fillState() * 10000) / 100}%
      </span>
    )
@@ -67,12 +67,18 @@ class PauseButton extends React.Component<Props, {changes: number}> {
  }

  public render() {
-    const message = this.props.paused ? 'Resumes updating the tree, after applying all recorded changes' : 'Stops all updates, records changes until the buffer is full.'
+    const message = this.props.paused
+      ? 'Resumes updating the tree, after applying all recorded changes'
+      : 'Stops all updates, records changes until the buffer is full.'
    return (
      <div style={{ display: 'inline-flex' }}>
        <span>
          <CustomIconButton onClick={this.props.actions.tree.togglePause} tooltip={message}>
-            {this.props.paused ? <Resume className={this.props.classes.icon} /> : <Pause className={this.props.classes.icon} />}
+            {this.props.paused ? (
+              <Resume className={this.props.classes.icon} />
+            ) : (
+              <Pause className={this.props.classes.icon} />
+            )}
          </CustomIconButton>
        </span>
        {this.props.paused ? this.renderBufferStats() : null}
@@ -96,4 +102,7 @@ const mapDispatchToProps = (dispatch: any) => {
  }
 }

-export default connect(mapStateToProps, mapDispatchToProps)(withStyles(styles)(PauseButton))
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(withStyles(styles)(PauseButton))
@@ -0,0 +1,146 @@
+import React, { useCallback, useState, useRef } from 'react'
+import ClearAdornment from '../helper/ClearAdornment'
+import Search from '@material-ui/icons/Search'
+import { AppState } from '../../reducers'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+import { InputBase } from '@material-ui/core'
+import { settingsActions } from '../../actions'
+import { fade, Theme, withStyles } from '@material-ui/core/styles'
+import { useGlobalKeyEventHandler } from '../../effects/useGlobalKeyEventHandler'
+import { KeyCodes } from '../../utils/KeyCodes'
+
+function SearchBar(props: {
+  classes: any
+  topicFilter?: string
+  hasConnection: boolean
+  actions: {
+    settings: typeof settingsActions
+  }
+}) {
+  const { actions, classes, hasConnection, topicFilter } = props
+
+  const [hasFocus, setHasFocus] = useState(false)
+  const inputRef = useRef<HTMLInputElement>()
+  const onFocus = useCallback(() => setHasFocus(true), [])
+  const onBlur = useCallback(() => setHasFocus(false), [])
+
+  const clearFilter = useCallback(() => {
+    actions.settings.filterTopics('')
+  }, [])
+
+  const onFilterChange = useCallback((event: React.ChangeEvent<HTMLInputElement>) => {
+    actions.settings.filterTopics(event.target.value)
+  }, [])
+
+  useGlobalKeyEventHandler(undefined, event => {
+    const isCharacter = event.key.length === 1
+    const isAllowedControlCharacter = event.keyCode === KeyCodes.backspace || event.keyCode === KeyCodes.delete
+    const tagNameBlacklist = ['INPUT', 'TEXTAREA', 'RADIO', 'CHECKBOX', 'OPTION', 'FORM']
+
+    const tagElementIsNotBlacklisted =
+      document.activeElement && tagNameBlacklist.indexOf(document.activeElement.tagName) === -1
+
+    if (
+      (isCharacter || isAllowedControlCharacter) &&
+      !event.defaultPrevented &&
+      !hasFocus &&
+      tagElementIsNotBlacklisted &&
+      hasConnection
+    ) {
+      // Focus input field, no preventDefault the event will reach the input element after it has been focussed
+      inputRef.current && inputRef.current.focus()
+    }
+  })
+
+  return (
+    <div className={classes.search}>
+      <div className={classes.searchIcon}>
+        <Search />
+      </div>
+      <InputBase
+        value={topicFilter}
+        inputProps={{
+          onFocus,
+          onBlur,
+          ref: inputRef,
+        }}
+        onChange={onFilterChange}
+        placeholder="Search…"
+        endAdornment={
+          <div style={{ width: '24px', paddingRight: '8px' }}>
+            <ClearAdornment variant="primary" action={clearFilter} value={topicFilter} />
+          </div>
+        }
+        classes={{ root: classes.inputRoot, input: classes.inputInput }}
+      />
+    </div>
+  )
+}
+
+const mapStateToProps = (state: AppState) => {
+  return {
+    topicFilter: state.settings.get('topicFilter'),
+    hasConnection: Boolean(state.connection.connectionId),
+  }
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      settings: bindActionCreators(settingsActions, dispatch),
+    },
+  }
+}
+
+const styles = (theme: Theme) => ({
+  search: {
+    position: 'relative' as 'relative',
+    borderRadius: theme.shape.borderRadius,
+    backgroundColor: fade(theme.palette.common.white, 0.15),
+    '&:hover': {
+      backgroundColor: fade(theme.palette.common.white, 0.25),
+    },
+    marginRight: theme.spacing(2),
+    marginLeft: 0,
+    flexGrow: 1,
+    maxWidth: '60%',
+
+    [theme.breakpoints.up('md')]: {
+      maxWidth: '30%',
+
+      marginLeft: theme.spacing(4),
+      width: 'auto' as 'auto',
+    },
+    [theme.breakpoints.up(750)]: {
+      marginLeft: theme.spacing(4),
+      width: 'auto' as 'auto',
+    },
+  },
+  searchIcon: {
+    width: theme.spacing(6),
+    height: '100%',
+    position: 'absolute' as 'absolute',
+    pointerEvents: 'none' as 'none',
+    display: 'flex' as 'flex',
+    alignItems: 'center' as 'center',
+    justifyContent: 'center' as 'center',
+  },
+  inputRoot: {
+    color: 'inherit' as 'inherit',
+    width: '100%',
+  },
+  inputInput: {
+    paddingTop: theme.spacing(1),
+    paddingRight: theme.spacing(1),
+    paddingBottom: theme.spacing(1),
+    paddingLeft: theme.spacing(6),
+    transition: theme.transitions.create('width'),
+    width: '100%',
+  },
+})
+
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(withStyles(styles)(SearchBar))
@@ -1,56 +1,24 @@
 import * as React from 'react'
-import ClearAdornment from '../helper/ClearAdornment'
 import CloudOff from '@material-ui/icons/CloudOff'
 import ConnectionHealthIndicator from '../helper/ConnectionHealthIndicator'
 import Menu from '@material-ui/icons/Menu'
-import Search from '@material-ui/icons/Search'
+import PauseButton from './PauseButton'
+import SearchBar from './SearchBar'
+import { AppBar, Button, IconButton, Toolbar, Typography } from '@material-ui/core'
 import { AppState } from '../../reducers'
 import { bindActionCreators } from 'redux'
 import { connect } from 'react-redux'
-import { connectionActions, settingsActions, globalActions } from '../../actions'
-import { fade } from '@material-ui/core/styles/colorManipulator'
-import { StyleRulesCallback, withStyles } from '@material-ui/core/styles'
-import {
-  AppBar,
-  Button,
-  IconButton,
-  InputBase,
-  Toolbar,
-  Typography,
-} from '@material-ui/core'
-import PauseButton from './PauseButton'
+import { connectionActions, globalActions, settingsActions } from '../../actions'
+import { Theme, withStyles } from '@material-ui/core/styles'

-const styles: StyleRulesCallback = theme => ({
+const styles = (theme: Theme) => ({
  title: {
-    display: 'none',
+    display: 'none' as 'none',
    [theme.breakpoints.up(750)]: {
-      display: 'block',
+      display: 'block' as 'block',
    },
    whiteSpace: 'nowrap' as 'nowrap',
  },
-  search: {
-    position: 'relative',
-    borderRadius: theme.shape.borderRadius,
-    backgroundColor: fade(theme.palette.common.white, 0.15),
-    '&:hover': {
-      backgroundColor: fade(theme.palette.common.white, 0.25),
-    },
-    marginRight: theme.spacing(2),
-    marginLeft: 0,
-    flexGrow: 1,
-    maxWidth: '60%',
-
-    [theme.breakpoints.up('md')]: {
-      maxWidth: '30%',
-
-      marginLeft: theme.spacing(4),
-      width: 'auto',
-    },
-    [theme.breakpoints.up(750)]: {
-      marginLeft: theme.spacing(4),
-      width: 'auto',
-    },
-  },
  disconnectIcon: {
    [theme.breakpoints.down('xs')]: {
      display: 'none' as 'none',
@@ -58,33 +26,14 @@ const styles: StyleRulesCallback = theme => ({
    marginRight: '8px',
    paddingLeft: '8px',
  },
-  searchIcon: {
-    width: theme.spacing(6),
-    height: '100%',
-    position: 'absolute',
-    pointerEvents: 'none',
-    display: 'flex',
-    alignItems: 'center',
-    justifyContent: 'center',
-  },
-  inputRoot: {
-    color: 'inherit',
-    width: '100%',
-  },
-  inputInput: {
-    paddingTop: theme.spacing(1),
-    paddingRight: theme.spacing(1),
-    paddingBottom: theme.spacing(1),
-    paddingLeft: theme.spacing(6),
-    transition: theme.transitions.create('width'),
-    width: '100%',
-  },
  menuButton: {
    marginLeft: -12,
    marginRight: 20,
  },
  disconnect: {
    margin: 'auto 8px auto auto',
+  },
+  disconnectLabel: {
    color: theme.palette.primary.contrastText,
  },
 })
@@ -92,44 +41,17 @@ const styles: StyleRulesCallback = theme => ({
 interface Props {
  classes: any
  actions: {
-    settings: typeof settingsActions,
-    connection: typeof connectionActions,
-    global: typeof globalActions,
+    settings: typeof settingsActions
+    connection: typeof connectionActions
+    global: typeof globalActions
  }
  topicFilter?: string
 }

-class TitleBar extends React.Component<Props, {}> {
+class TitleBar extends React.PureComponent<Props, {}> {
  constructor(props: any) {
    super(props)
-    this.state = { }
-  }
-
-  private renderSearch() {
-    const { classes, topicFilter } = this.props
-
-    return (
-      <div className={classes.search}>
-        <div className={classes.searchIcon}>
-          <Search />
-        </div>
-        <InputBase
-          value={topicFilter}
-          onChange={this.onFilterChange}
-          placeholder="Search…"
-          endAdornment={<div style={{ width: '24px', paddingRight: '8px' }}><ClearAdornment variant="primary" action={this.clearFilter} value={topicFilter} /></div>}
-          classes={{ root: classes.inputRoot, input: classes.inputInput }}
-        />
-      </div>
-    )
-  }
-
-  private clearFilter = () => {
-    this.props.actions.settings.filterTopics('')
-  }
-
-  private onFilterChange = (event: React.ChangeEvent<HTMLInputElement>) => {
-    this.props.actions.settings.filterTopics(event.target.value)
+    this.state = {}
  }

  public render() {
@@ -138,13 +60,24 @@ class TitleBar extends React.Component<Props, {}> {
    return (
      <AppBar position="static">
        <Toolbar>
-          <IconButton className={classes.menuButton} color="inherit" aria-label="Menu" onClick={actions.global.toggleSettingsVisibility}>
+          <IconButton
+            className={classes.menuButton}
+            color="inherit"
+            aria-label="Menu"
+            onClick={actions.global.toggleSettingsVisibility}
+          >
            <Menu />
          </IconButton>
-          <Typography className={classes.title} variant="h6" color="inherit">MQTT Explorer</Typography>
-          {this.renderSearch()}
+          <Typography className={classes.title} variant="h6" color="inherit">
+            MQTT Explorer
+          </Typography>
+          <SearchBar />
          <PauseButton />
-          <Button className={classes.disconnect} onClick={actions.connection.disconnect}>
+          <Button
+            className={classes.disconnect}
+            classes={{ label: classes.disconnectLabel }}
+            onClick={actions.connection.disconnect}
+          >
            Disconnect <CloudOff className={classes.disconnectIcon} />
          </Button>
          <ConnectionHealthIndicator withBackground={true} />
@@ -170,4 +103,7 @@ const mapDispatchToProps = (dispatch: any) => {
  }
 }

-export default connect(mapStateToProps, mapDispatchToProps)(withStyles(styles)(TitleBar))
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(withStyles(styles)(TitleBar))
@@ -1,14 +1,9 @@
 import * as React from 'react'
-import {
-  InputLabel,
-  Switch,
-  Theme,
-  Tooltip
-  } from '@material-ui/core'
+import { InputLabel, Switch, Theme, Tooltip } from '@material-ui/core'
 import { withStyles } from '@material-ui/styles'
 const sha1 = require('sha1')

-function BooleanSwitch(props: {title: string, value: boolean, tooltip: string, action: () => void, classes: any}) {
+function BooleanSwitch(props: { title: string; value: boolean; tooltip: string; action: () => void; classes: any }) {
  const { tooltip, value, action, title, classes } = props

  const clickHandler = (e: React.MouseEvent) => {
@@ -20,34 +15,21 @@ function BooleanSwitch(props: {title: string, value: boolean, tooltip: string, a
  return (
    <div style={{ padding: '8px', display: 'flex' }}>
      <Tooltip title={tooltip}>
-        <InputLabel
-          htmlFor={`toggle-${sha1(title)}`}
-          onClick={clickHandler}
-          className={classes.label}
-        >
+        <InputLabel htmlFor={`toggle-${sha1(title)}`} onClick={clickHandler} className={classes.label}>
          {title}
        </InputLabel>
      </Tooltip>
      <Tooltip title={tooltip}>
-        <Switch
-          name={`toggle-${sha1(title)}`}
-          checked={value}
-          onChange={action}
-          color="primary"
-          classes={{ switchBase: classes.switchBase }}
-        />
+        <Switch name={`toggle-${sha1(title)}`} checked={value} onChange={action} color="primary" />
      </Tooltip>
    </div>
  )
 }

 const styles = (theme: Theme) => ({
-  switchBase: {
-    height: theme.spacing(4),
-  },
  label: {
    flex: '1',
-    paddingTop: '8px',
+    paddingTop: theme.spacing(1.5),
  },
 })

@@ -1,13 +1,13 @@
 import * as q from '../../../../backend/src/Model'
-import * as React from 'react'
+import React, { useMemo } from 'react'
 import { AppState } from '../../reducers'
+import { Base64Message } from '../../../../backend/src/Model/Base64Message'
 import { connect } from 'react-redux'
-import { StyleRulesCallback, withStyles } from '@material-ui/core/styles'
+import { Theme, withStyles } from '@material-ui/core/styles'
 import { TopicViewModel } from '../../model/TopicViewModel'
 import { Typography } from '@material-ui/core'
-import { Base64Message } from '../../../../backend/src/Model/Base64Message'
-import teal from '@material-ui/core/colors/teal'
-
+import { usePollingToFetchTreeNode } from '../helper/usePollingToFetchTreeNode'
+import { useUpdateComponentWhenNodeUpdates } from '../helper/useUpdateComponentWhenNodeUpdates'
 const abbreviate = require('number-abbreviate')

 interface Stats {
@@ -15,11 +15,7 @@ interface Stats {
  title: string
 }

-const styles: StyleRulesCallback = theme => ({
-  flex: {
-    display: 'flex',
-    width: '100%',
-  },
+const styles = (theme: Theme) => ({
  container: {
    width: '100%',
    height: '224px',
@@ -34,24 +30,13 @@ interface Props {
  tree?: q.Tree<TopicViewModel>
 }

-class BrokerStatistics extends React.Component<Props, {}> {
-  constructor(props: any) {
-    super(props)
-    this.state = {}
-  }
+function BrokerStatistics(props: Props) {
+  const { tree, classes } = props
+  const sysTopic = usePollingToFetchTreeNode(props.tree, '$SYS')
+  useUpdateComponentWhenNodeUpdates(sysTopic)

-  private renderPair(tree: q.Tree<TopicViewModel>, a: Stats, b: Stats) {
-    return (
-      <div className={this.props.classes.flex}>
-        <div style={{ flex: 1 }}>{this.renderStat(tree, a)}</div>
-        <div style={{ flex: 1 }}>{this.renderStat(tree, b)}</div>
-      </div>
-    )
-  }
-
-  public render() {
-    const { tree, classes } = this.props
-    if (!tree || !tree.findNode('$SYS/broker/clients/total')) {
+  return useMemo(() => {
+    if (!Boolean(sysTopic)) {
      return null
    }

@@ -94,34 +79,20 @@ class BrokerStatistics extends React.Component<Props, {}> {
      },
    }

-    return (
-      <div className={classes.container}>
-        {this.renderStat(tree, stats.broker)}
-        {this.renderPair(tree, stats.sent, stats.received)}
-        {this.renderPair(tree, stats.clients, stats.subscriptions)}
-        {this.renderPair(tree, stats.sent5m, stats.received5m)}
-        {this.renderPair(tree, stats.heap, stats.heapMax)}
-      </div>
-    )
-  }
-
-  public renderStat(tree: q.Tree<TopicViewModel>, stat: Stats) {
-    const node = tree.findNode(stat.topic)
-    if (!node || !node.message) {
+    if (!tree) {
      return null
    }

-    const str = node.message.value ? Base64Message.toUnicodeString(node.message.value) : ''
-    let value = (node.message && node.message.value) ? parseFloat(str) : NaN
-    value = !isNaN(value) ? abbreviate(value) : str
-
    return (
-      <div key={stat.title}>
-        <Typography><b>{stat.title}</b></Typography>
-        <Typography style={{ paddingLeft: '8px' }}><i>{value}</i></Typography>
+      <div className={classes.container}>
+        {renderStat(tree, stats.broker)}
+        {renderPair(tree, stats.sent, stats.received)}
+        {renderPair(tree, stats.clients, stats.subscriptions)}
+        {renderPair(tree, stats.sent5m, stats.received5m)}
+        {renderPair(tree, stats.heap, stats.heapMax)}
      </div>
    )
-  }
+  }, [sysTopic && sysTopic.lastUpdate, props.classes])
 }

 const mapStateToProps = (state: AppState) => {
@@ -131,3 +102,39 @@ const mapStateToProps = (state: AppState) => {
 }

 export default withStyles(styles)(connect(mapStateToProps)(BrokerStatistics))
+
+function renderPair(tree: q.Tree<TopicViewModel>, a: Stats, b: Stats) {
+  return (
+    <div
+      style={{
+        display: 'flex',
+        width: '100%',
+      }}
+    >
+      <div style={{ flex: 1 }}>{renderStat(tree, a)}</div>
+      <div style={{ flex: 1 }}>{renderStat(tree, b)}</div>
+    </div>
+  )
+}
+
+function renderStat(tree: q.Tree<TopicViewModel>, stat: Stats) {
+  const node = tree.findNode(stat.topic)
+  if (!node || !node.message) {
+    return null
+  }
+
+  const str = node.message.value ? Base64Message.toUnicodeString(node.message.value) : ''
+  let value = node.message && node.message.value ? parseFloat(str) : NaN
+  value = !isNaN(value) ? abbreviate(value) : str
+
+  return (
+    <div key={stat.title}>
+      <Typography>
+        <b>{stat.title}</b>
+      </Typography>
+      <Typography style={{ paddingLeft: '8px' }}>
+        <i>{value}</i>
+      </Typography>
+    </div>
+  )
+}
@@ -2,12 +2,13 @@ import * as React from 'react'
 import BooleanSwitch from './BooleanSwitch'
 import BrokerStatistics from './BrokerStatistics'
 import ChevronRight from '@material-ui/icons/ChevronRight'
+import TimeLocale from './TimeLocale'
 import { AppState } from '../../reducers'
 import { bindActionCreators } from 'redux'
 import { connect } from 'react-redux'
 import { globalActions, settingsActions } from '../../actions'
 import { shell } from 'electron'
-import { StyleRulesCallback, withStyles } from '@material-ui/core/styles'
+import { Theme, withStyles } from '@material-ui/core/styles'
 import { TopicOrder } from '../../reducers/Settings'

 import {
@@ -21,29 +22,35 @@ import {
  Typography,
  Tooltip,
 } from '@material-ui/core'
-import TimeLocale from './TimeLocale';

-export const autoExpandLimitSet = [{
-  limit: 0,
-  name: 'Collapsed',
-}, {
-  limit: 2,
-  name: 'Few',
-}, {
-  limit: 5,
-  name: 'Some',
-}, {
-  limit: 15,
-  name: 'Most',
-}, {
-  limit: 30,
-  name: 'Most',
-}, {
-  limit: 1E6,
-  name: 'All',
-}]
+export const autoExpandLimitSet = [
+  {
+    limit: 0,
+    name: 'Collapsed',
+  },
+  {
+    limit: 2,
+    name: 'Few',
+  },
+  {
+    limit: 5,
+    name: 'Some',
+  },
+  {
+    limit: 15,
+    name: 'Most',
+  },
+  {
+    limit: 30,
+    name: 'Most',
+  },
+  {
+    limit: 1e6,
+    name: 'All',
+  },
+]

-const styles: StyleRulesCallback = theme => ({
+const styles = (theme: Theme) => ({
  drawer: {
    backgroundColor: theme.palette.background.default,
    flexShrink: 0,
@@ -70,8 +77,8 @@ const styles: StyleRulesCallback = theme => ({

 interface Props {
  actions: {
-    settings: typeof settingsActions,
-    global: typeof globalActions,
+    settings: typeof settingsActions
+    global: typeof globalActions
  }
  autoExpandLimit: number
  classes: any
@@ -83,7 +90,7 @@ interface Props {
  theme: 'light' | 'dark'
 }

-class Settings extends React.Component<Props, {}> {
+class Settings extends React.PureComponent<Props, {}> {
  constructor(props: any) {
    super(props)
    this.state = {}
@@ -96,29 +103,56 @@ class Settings extends React.Component<Props, {}> {
  private renderHighlightTopicUpdates() {
    const { highlightTopicUpdates, actions } = this.props

-    return <BooleanSwitch title="Show Activity" tooltip="Topics blink when a new message arrives" value={highlightTopicUpdates} action={actions.settings.toggleHighlightTopicUpdates}/>
+    return (
+      <BooleanSwitch
+        title="Show Activity"
+        tooltip="Topics blink when a new message arrives"
+        value={highlightTopicUpdates}
+        action={actions.settings.toggleHighlightTopicUpdates}
+      />
+    )
  }

  private selectTopicsOnMouseOver() {
    const { actions, selectTopicWithMouseOver } = this.props
    const toggle = () => actions.settings.selectTopicWithMouseOver(!selectTopicWithMouseOver)

-    return <BooleanSwitch title="Quick Preview" tooltip="Select topics on mouse over" value={selectTopicWithMouseOver} action={toggle} />
+    return (
+      <BooleanSwitch
+        title="Quick Preview"
+        tooltip="Select topics on mouse over"
+        value={selectTopicWithMouseOver}
+        action={toggle}
+      />
+    )
  }

  private toggleTheme() {
    const { actions, theme } = this.props

-    return <BooleanSwitch title="Dark Mode" tooltip="Enable dark theme" value={theme === 'dark'} action={actions.settings.toggleTheme} />
+    return (
+      <BooleanSwitch
+        title="Dark Mode"
+        tooltip="Enable dark theme"
+        value={theme === 'dark'}
+        action={actions.settings.toggleTheme}
+      />
+    )
  }

  private renderAutoExpand() {
    const { classes, autoExpandLimit } = this.props

-    const limits = autoExpandLimitSet.map(limit => <MenuItem key={limit.limit} value={limit.limit}>{limit.limit < 10000 && limit.limit > 0 ? `≤ ${limit.limit} topics` : limit.name}</MenuItem>)
+    const limits = autoExpandLimitSet.map(limit => (
+      <MenuItem key={limit.limit} value={limit.limit}>
+        {limit.limit < 10000 && limit.limit > 0 ? `≤ ${limit.limit} topics` : limit.name}
+      </MenuItem>
+    ))
    return (
      <div style={{ padding: '8px', display: 'flex' }}>
-        <InputLabel htmlFor="auto-expand" style={{ flex: '1', marginTop: '8px' }}>Auto Expand</InputLabel>
+        <InputLabel htmlFor="auto-expand" style={{ flex: '1', marginTop: '8px' }}>
+          Auto Expand
+        </InputLabel>
        <Select
          value={autoExpandLimit}
          onChange={this.onChangeAutoExpand}
@@ -133,8 +167,8 @@ class Settings extends React.Component<Props, {}> {
    )
  }

-  private onChangeAutoExpand = (e: React.ChangeEvent<HTMLSelectElement>) => {
-    this.props.actions.settings.setAutoExpandLimit(parseInt(e.target.value, 10))
+  private onChangeAutoExpand = (e: React.ChangeEvent<{ value: unknown }>) => {
+    this.props.actions.settings.setAutoExpandLimit(parseInt(String(e.target.value), 10))
  }

  private renderNodeOrder() {
@@ -142,7 +176,9 @@ class Settings extends React.Component<Props, {}> {

    return (
      <div style={{ padding: '8px', display: 'flex' }}>
-        <InputLabel htmlFor="auto-expand" style={{ flex: '1', marginTop: '8px' }}>Topic Order</InputLabel>
+        <InputLabel htmlFor="auto-expand" style={{ flex: '1', marginTop: '8px' }}>
+          Topic Order
+        </InputLabel>
        <Select
          value={topicOrder}
          onChange={this.onChangeSorting}
@@ -152,32 +188,26 @@ class Settings extends React.Component<Props, {}> {
          className={classes.input}
          style={{ flex: '1' }}
        >
-          <MenuItem value={TopicOrder.none}><em>default</em></MenuItem>
+          <MenuItem value={TopicOrder.none}>
+            <em>default</em>
+          </MenuItem>
          <MenuItem value={TopicOrder.abc}>a-z</MenuItem>
          <MenuItem value={TopicOrder.messages}>{TopicOrder.messages}</MenuItem>
          <MenuItem value={TopicOrder.topics}>{TopicOrder.topics}</MenuItem>
        </Select>
-    </div>)
+      </div>
+    )
  }

-  private onChangeSorting = (e: React.ChangeEvent<HTMLSelectElement>) => {
+  private onChangeSorting = (e: React.ChangeEvent<{ value: unknown }>) => {
    this.props.actions.settings.setTopicOrder(e.target.value as TopicOrder)
  }

  public render() {
    const { classes, actions, visible } = this.props
    return (
-      <Drawer
-        anchor="left"
-        className={classes.drawer}
-        open={visible}
-        variant="persistent"
-      >
-        <div
-          className={classes.paper}
-          tabIndex={0}
-          role="button"
-        >
+      <Drawer anchor="left" className={classes.drawer} open={visible} variant="persistent">
+        <div className={classes.paper} tabIndex={0} role="button">
          <Typography className={classes.title} variant="h6" color="inherit">
            <IconButton onClick={actions.global.toggleSettingsVisibility}>
              <ChevronRight />
@@ -225,4 +255,9 @@ const mapDispatchToProps = (dispatch: any) => {
  }
 }

-export default withStyles(styles)(connect(mapStateToProps, mapDispatchToProps)(Settings))
+export default withStyles(styles)(
+  connect(
+    mapStateToProps,
+    mapDispatchToProps
+  )(Settings)
+)
@@ -3,13 +3,7 @@ import DateFormatter from '../helper/DateFormatter'
 import { AppState } from '../../reducers'
 import { bindActionCreators } from 'redux'
 import { connect } from 'react-redux'
-import {
-  Input,
-  InputLabel,
-  MenuItem,
-  Select,
-  StyleRulesCallback
-  } from '@material-ui/core'
+import { Input, InputLabel, MenuItem, Select, StyleRulesCallback, Theme } from '@material-ui/core'
 import { settingsActions } from '../../actions'
 import { withStyles } from '@material-ui/styles'
 const moment = require('moment/min/moment-with-locales')
@@ -17,7 +11,7 @@ const moment = require('moment/min/moment-with-locales')
 interface Props {
  actions: {
    settings: typeof settingsActions
-  },
+  }
  timeLocale: string
  classes: any
 }
@@ -28,21 +22,33 @@ function TimeLocaleSettings(props: Props) {
  const date = new Date()
  const localeMenuItems = locales.map((l: string) => (
    <MenuItem key={l} value={l}>
-      <div>Locale: <b>{l}</b>, Format: <b><DateFormatter date={date} overrideLocale={l} /></b></div>
+      <div>
+        Locale: <b>{l}</b>, Format:{' '}
+        <b>
+          <DateFormatter date={date} overrideLocale={l} />
+        </b>
+      </div>
    </MenuItem>
  ))

+  function updateLocale(e: React.ChangeEvent<{ value: unknown }>) {
+    const locale = e.target.value ? String(e.target.value) : ''
+    actions.settings.setTimeLocale(locale)
+  }
+
  return (
    <div style={{ padding: '8px', display: 'flex' }}>
-      <InputLabel htmlFor="time-locale" style={{ flex: '1', marginTop: '8px' }}>Time Locale</InputLabel>
+      <InputLabel htmlFor="time-locale" style={{ flex: '1', marginTop: '8px' }}>
+        Time Locale
+      </InputLabel>
      <Select
-          value={timeLocale}
-          onChange={e => actions.settings.setTimeLocale(e.target.value)}
-          input={<Input name="time-locale" id="time-locale-label-placeholder" />}
-          name="time-locale"
-          className={classes.input}
-          renderValue={(v) => <span>{v}</span>}
-          style={{ flex: '1' }}
+        value={timeLocale}
+        onChange={updateLocale}
+        input={<Input name="time-locale" id="time-locale-label-placeholder" />}
+        name="time-locale"
+        className={classes.input}
+        renderValue={v => <span>{String(v)}</span>}
+        style={{ flex: '1' }}
      >
        {localeMenuItems}
      </Select>
@@ -64,16 +70,21 @@ const mapDispatchToProps = (dispatch: any) => {
  }
 }

-const styles: StyleRulesCallback = theme => ({
+const styles = (theme: Theme) => ({
  input: {
    minWidth: '150px',
    margin: `auto ${theme.spacing(1)} auto ${theme.spacing(2)}px`,
  },
  selected: {
    '& div': {
-      display: 'none'
-    }
-  }
+      display: 'none',
+    },
+  },
 })

-export default withStyles(styles)(connect(mapStateToProps, mapDispatchToProps)(TimeLocaleSettings))
+export default withStyles(styles)(
+  connect(
+    mapStateToProps,
+    mapDispatchToProps
+  )(TimeLocaleSettings)
+)
@@ -1,199 +0,0 @@
-import * as diff from 'diff'
-import * as Prism from 'prismjs'
-import * as React from 'react'
-import { CodeBlockColors, CodeBlockColorsBraceMonokai } from './CodeBlockColors'
-import { selectTextWithCtrlA } from '../../utils/handleTextSelectWithCtrlA'
-import { Theme, withStyles } from '@material-ui/core'
-import 'prismjs/components/prism-json'
-
-interface Props {
-  previous: string
-  current: string
-  nameOfCompareMessage: string
-  language?: 'json'
-  classes: any
-}
-
-class CodeDiff extends React.Component<Props, {}> {
-  private handleCtrlA = selectTextWithCtrlA({ targetSelector: 'pre ~ pre' })
-
-  constructor(props: Props) {
-    super(props)
-  }
-
-  private renderChangeAmount(changes: Array<Diff.Change>) {
-    const additions = changes.map(change => (change.added === true) ? (change.count || 0) : 0).reduce((a, b) => a + b)
-    const deletions = changes.map(change => (change.removed === true) ? (change.count || 0) : 0).reduce((a, b) => a + b)
-    if (additions === 0 && deletions === 0) {
-      return null
-    }
-
-    return (
-      <span style={{ display: 'block', marginBottom: '8px', float: 'right' }}>
-        <span>
-          Comparing with <b>{this.props.nameOfCompareMessage}</b> message:&nbsp;
-
-          <span className={this.props.classes.additions}>+ {additions} line{additions === 1 ? '' : 's'}</span>
-          , <span className={this.props.classes.deletions}>- {deletions} line{deletions === 1 ? '' : 's'}</span>
-        </span>
-      </span>
-    )
-  }
-
-  private trimNewlineRight(str: string) {
-    if (str.slice(-1) === '\n') {
-      return str.slice(0, -1)
-    }
-
-    return str
-  }
-
-  private cssClassForChange(change: diff.Change) {
-    if (change.added === true) {
-      return this.props.classes.addition
-    }
-
-    if (change.removed === true) {
-      return this.props.classes.deletion
-    }
-
-    return this.props.classes.noChange
-  }
-
-  public render() {
-    const changes = diff.diffLines(this.props.previous, this.props.current)
-    const styledLines = Prism.highlight(this.props.current, Prism.languages.json, 'json').split('\n')
-
-    let lineNumber = 0
-    const code = changes.map((change, key) => {
-      const hasStyledCode = change.removed !== true
-      const changedLines = change.count || 0
-      if (hasStyledCode && this.props.language === 'json') {
-        const currentLines = styledLines.slice(lineNumber, lineNumber + changedLines)
-        const lines = currentLines.map((html: string, idx: number) => {
-          return <div key={`${key}-${idx}`} className={`${this.props.classes.line} ${this.cssClassForChange(change)}`}><span dangerouslySetInnerHTML={{ __html: html }} /></div>
-        })
-        lineNumber += changedLines
-
-        return <div key={key}>{lines}</div>
-      }
-
-      return this.trimNewlineRight(change.value)
-        .split('\n')
-        .map((line, idx) => {
-          return <div key={`${key}-${idx}`} className={`${this.props.classes.line} ${this.cssClassForChange(change)}`}><span>{line}</span></div>
-        })
-    })
-
-    const gutters = changes.map((change, key) => {
-      return this.trimNewlineRight(change.value)
-        .split('\n')
-        .map((_, idx) => (
-          <div key={`${key}-${idx}`} className={`${this.cssClassForChange(change)} ${this.props.classes.gutterLine}`}>
-            {change.added ? '+' : null}{change.removed ? '-' : null}{!change.added && !change.removed ? ' ' : null}
-          </div>
-        ))
-    })
-
-    return (
-      <div>
-        <div tabIndex={0} onKeyDown={this.handleCtrlA} className={this.props.classes.codeWrapper}>
-          <pre className={this.props.classes.gutters}>{gutters}</pre>
-          <pre className={this.props.classes.codeBlock}>{code}</pre>
-        </div>
-        {this.renderChangeAmount(changes)}
-      </div>
-    )
-  }
-}
-
-const style = (theme: Theme) => {
-  const codeBlockColors = theme.palette.type === 'light' ? CodeBlockColors : CodeBlockColorsBraceMonokai
-  const gutterBaseStyle = {
-    width: '100%',
-  }
-
-  const codeBaseStyle = {
-    font: "12px/normal 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace",
-    display: 'inline-grid' as 'inline-grid',
-    margin: '0',
-    padding: '1px 0 2px 0',
-  }
-
-  return {
-    additions: {
-      color: 'rgb(10, 255, 10)',
-    },
-    deletions: {
-      color: 'rgb(255, 10, 10)',
-    },
-    line: {
-      lineHeight: 'normal' as 'normal',
-      paddingLeft: '4px',
-    },
-    gutterLine: {
-      textAlign: 'right' as 'right',
-      paddingRight: theme.spacing(0.5),
-    },
-    codeWrapper: {
-      maxHeight: '15em',
-      overflow: 'auto',
-      backgroundColor: `${codeBlockColors.background}`,
-      margin: '8px 0 0 0',
-    },
-    gutters: {
-      ...codeBaseStyle,
-      width: '33px',
-      backgroundColor: codeBlockColors.gutters,
-      userSelect: 'none' as 'none',
-    },
-    codeBlock: {
-      ...codeBaseStyle,
-      width: 'calc(100% - 33px)',
-      backgroundColor: 'inherit !important',
-      '& span': {
-        color: codeBlockColors.text,
-      },
-      '& .token.number': {
-        color: codeBlockColors.numeric,
-      },
-      '& .token.boolean': {
-        color: codeBlockColors.numeric,
-      },
-      '& .token.property': {
-        color: codeBlockColors.variable,
-      },
-      '& .token.string': {
-        color: codeBlockColors.string,
-      },
-      '& .token': {
-        color: codeBlockColors.text,
-      },
-      '& .token.operator': {
-        color: codeBlockColors.text,
-      },
-      '& .token.punctuation': {
-        color: codeBlockColors.text,
-      },
-    },
-    noChange: {
-      ...gutterBaseStyle,
-    },
-    deletion: {
-      ...gutterBaseStyle,
-      backgroundColor: 'rgba(255, 10, 10, 0.3)',
-      // '&:hover': {
-      //   backgroundColor: 'rgba(255, 10, 10, 0.3)',
-      // },
-    },
-    addition: {
-      ...gutterBaseStyle,
-      backgroundColor: 'rgba(10, 255, 10, 0.3)',
-      // '&:hover': {
-      //   backgroundColor: 'rgba(10, 255, 10, 0.5)',
-      // },
-    },
-  }
-}
-
-export default withStyles(style)(CodeDiff)
@@ -0,0 +1,91 @@
+import * as q from '../../../../../backend/src/Model'
+import * as React from 'react'
+import ShowChart from '@material-ui/icons/ShowChart'
+import TopicPlot from '../../TopicPlot'
+import { bindActionCreators } from 'redux'
+import { chartActions } from '../../../actions'
+import { connect } from 'react-redux'
+import { Fade, Paper, Popper, Tooltip } from '@material-ui/core'
+import { JsonPropertyLocation } from '../../../../../backend/src/JsonAstParser'
+
+interface Props {
+  treeNode: q.TreeNode<any>
+  classes: any
+  literal: JsonPropertyLocation
+  actions: {
+    chart: typeof chartActions
+  }
+}
+
+function ChartPreview(props: Props) {
+  const chartIconRef = React.useRef(null)
+  const [open, setOpen] = React.useState(false)
+
+  const onClick = React.useCallback(() => {
+    props.actions.chart.addChart({
+      topic: props.treeNode.path(),
+      dotPath: props.literal.path !== '' ? props.literal.path : undefined,
+    })
+    setOpen(false)
+  }, [props.literal.path, props.treeNode])
+
+  const mouseOver = React.useCallback(() => {
+    setOpen(true)
+  }, [])
+
+  const mouseOut = React.useCallback(() => {
+    setOpen(false)
+  }, [])
+
+  const hasEnoughDataToDisplayDiagrams = props.treeNode.messageHistory.count() > 1
+
+  const addChartToPanelButton = hasEnoughDataToDisplayDiagrams ? (
+    <Tooltip title="Add to chart panel">
+      <ShowChart
+        ref={chartIconRef}
+        className={props.classes.icon}
+        onMouseEnter={mouseOver}
+        onMouseLeave={mouseOut}
+        onClick={onClick}
+        data-test-type="ShowChart"
+        data-test={props.literal.path}
+      />
+    </Tooltip>
+  ) : (
+    <Tooltip title="Add to chart panel, not enough data for preview">
+      <ShowChart
+        onClick={onClick}
+        className={props.classes.icon}
+        style={{ color: '#aaa' }}
+        data-test-type="ShowChart"
+        data-test={props.literal.path}
+      />
+    </Tooltip>
+  )
+
+  return (
+    <span>
+      {addChartToPanelButton}
+      <Popper open={open} anchorEl={chartIconRef.current} placement="left-end">
+        <Fade in={open} timeout={300}>
+          <Paper style={{ width: '300px' }}>
+            {open ? <TopicPlot history={props.treeNode.messageHistory} dotPath={props.literal.path} /> : <span />}
+          </Paper>
+        </Fade>
+      </Popper>
+    </span>
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      chart: bindActionCreators(chartActions, dispatch),
+    },
+  }
+}
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(ChartPreview)
@@ -0,0 +1,45 @@
+import * as React from 'react'
+import { Theme } from '@material-ui/core'
+import { withStyles } from '@material-ui/styles'
+
+interface Props {
+  changes: Array<Diff.Change>
+  classes: { [s: string]: any }
+  nameOfCompareMessage: string
+}
+
+function changeAmount(props: Props) {
+  const additions = props.changes.map(change => (change.added === true ? change.count || 0 : 0)).reduce((a, b) => a + b)
+  const deletions = props.changes
+    .map(change => (change.removed === true ? change.count || 0 : 0))
+    .reduce((a, b) => a + b)
+  if (additions === 0 && deletions === 0) {
+    return null
+  }
+
+  return (
+    <span style={{ display: 'block', textAlign: 'right' }}>
+      <span>
+        Comparing with <b>{props.nameOfCompareMessage}</b> message:&nbsp;
+        <span className={props.classes.additions}>
+          + {additions} line{additions === 1 ? '' : 's'}
+        </span>
+        ,{' '}
+        <span className={props.classes.deletions}>
+          - {deletions} line{deletions === 1 ? '' : 's'}
+        </span>
+      </span>
+    </span>
+  )
+}
+
+const style = (theme: Theme) => ({
+  additions: {
+    color: 'rgb(10, 255, 10)',
+  },
+  deletions: {
+    color: 'rgb(255, 10, 10)',
+  },
+})
+
+export default withStyles(style)(changeAmount)
@@ -0,0 +1,104 @@
+import * as diff from 'diff'
+import * as q from '../../../../../backend/src/Model'
+import * as React from 'react'
+import Add from '@material-ui/icons/Add'
+import ChartPreview from './ChartPreview'
+import Remove from '@material-ui/icons/Remove'
+import { JsonPropertyLocation } from '../../../../../backend/src/JsonAstParser'
+import { lineChangeStyle, trimNewlineRight } from './util'
+import { Theme } from '@material-ui/core'
+import { withStyles } from '@material-ui/styles'
+
+interface Props {
+  changes: Array<diff.Change>
+  literalPositions: Array<JsonPropertyLocation>
+  classes: any
+  className: string
+  treeNode: q.TreeNode<any>
+}
+
+const style = (theme: Theme) => {
+  const icon = {
+    verticalAlign: 'top',
+    width: '12px',
+    height: '12px',
+    marginTop: '2px',
+    borderRadius: '50%',
+  }
+
+  return {
+    icon,
+    iconButton: {
+      ...icon,
+      marginTop: '0px',
+      width: '16px',
+      height: '16px',
+      padding: '2px',
+      '&:hover': {
+        color: theme.palette.primary.contrastText,
+        backgroundColor: theme.palette.primary.main,
+      },
+    },
+    gutterLine: {
+      textAlign: 'right' as 'right',
+      paddingRight: theme.spacing(0.5),
+      height: '16px',
+      width: '100%',
+    },
+  }
+}
+
+function tokensForLine(change: diff.Change, line: number, props: Props) {
+  const { classes, literalPositions } = props
+  const literal = literalPositions[line]
+
+  const chartPreview = Boolean(literal) ? (
+    <ChartPreview
+      key="chartPreview"
+      treeNode={props.treeNode}
+      classes={{ icon: props.classes.iconButton }}
+      literal={literal}
+    />
+  ) : null
+
+  if (change.added) {
+    return [chartPreview, <Add key="add" className={classes.icon} />]
+  } else if (change.removed) {
+    return [<Remove key="remove" className={classes.icon} />]
+  } else {
+    return [
+      chartPreview,
+      <div
+        key="placeholder"
+        style={{ width: '12px', display: 'inline-block' }}
+        dangerouslySetInnerHTML={{ __html: '&nbsp;' }}
+      />,
+    ]
+  }
+}
+
+function Gutters(props: Props) {
+  let currentLine = -1
+  const gutters = props.changes
+    .map((change, key) => {
+      return trimNewlineRight(change.value)
+        .split('\n')
+        .map((_, idx) => {
+          currentLine = !change.removed ? currentLine + 1 : currentLine
+          return (
+            <div key={`${key}-${idx}`} style={lineChangeStyle(change)} className={props.classes.gutterLine}>
+              {tokensForLine(change, currentLine, props)}
+            </div>
+          )
+        })
+    })
+    .reduce((a, b) => a.concat(b), [])
+
+  return (
+    <span>
+      <pre className={props.className}>{gutters}</pre>
+    </span>
+  )
+}
+
+export default withStyles(style)(Gutters)
@@ -0,0 +1,109 @@
+import * as diff from 'diff'
+import * as Prism from 'prismjs'
+import * as q from '../../../../../backend/src/Model'
+import * as React from 'react'
+import DiffCount from './DiffCount'
+import Gutters from './Gutters'
+import { isPlottable, lineChangeStyle, trimNewlineRight } from './util'
+import { JsonPropertyLocation, literalsMappedByLines } from '../../../../../backend/src/JsonAstParser'
+import { selectTextWithCtrlA } from '../../../utils/handleTextSelectWithCtrlA'
+import { style } from './style'
+import { withStyles, Typography } from '@material-ui/core'
+import 'prismjs/components/prism-json'
+
+interface Props {
+  treeNode: q.TreeNode<any>
+  previous: string
+  current: string
+  nameOfCompareMessage: string
+  language?: 'json'
+  title?: string
+  classes: any
+}
+
+interface State {}
+
+class CodeDiff extends React.PureComponent<Props, State> {
+  private handleCtrlA = selectTextWithCtrlA({ targetSelector: 'pre ~ pre' })
+
+  constructor(props: Props) {
+    super(props)
+    this.state = {}
+  }
+
+  private isValidJson(str: string) {
+    try {
+      JSON.parse(str)
+      return true
+    } catch (error) {
+      return false
+    }
+  }
+
+  private plottableLiteralsIndexedWithLineNumbers() {
+    const allLiterals = this.isValidJson(this.props.current) ? literalsMappedByLines(this.props.current) || [] : []
+
+    return allLiterals.map((l: JsonPropertyLocation) => (isPlottable(l.value) ? l : undefined)) as Array<
+      JsonPropertyLocation
+    >
+  }
+
+  private renderStyledCodeLines(changes: Array<Diff.Change>) {
+    const styledLines = Prism.highlight(this.props.current, Prism.languages.json, 'json').split('\n')
+    let lineNumber = 0
+
+    return changes
+      .map((change, key) => {
+        const hasStyledCode = change.removed !== true
+        const changedLines = change.count || 0
+        if (hasStyledCode && this.props.language === 'json') {
+          const currentLines = styledLines.slice(lineNumber, lineNumber + changedLines)
+          const lines = currentLines.map((html: string, idx: number) => {
+            return (
+              <div key={`${key}-${idx}`} style={lineChangeStyle(change)} className={this.props.classes.line}>
+                <span dangerouslySetInnerHTML={{ __html: html }} />
+              </div>
+            )
+          })
+          lineNumber += changedLines
+
+          return [<div key={key}>{lines}</div>]
+        }
+
+        return trimNewlineRight(change.value)
+          .split('\n')
+          .map((line, idx) => {
+            return (
+              <div key={`${key}-${idx}`} style={lineChangeStyle(change)} className={this.props.classes.line}>
+                <span>{line}</span>
+              </div>
+            )
+          })
+      })
+      .reduce((a, b) => a.concat(b), [])
+  }
+
+  public render() {
+    const changes = diff.diffLines(this.props.previous, this.props.current)
+    const literalPositions = this.plottableLiteralsIndexedWithLineNumbers()
+    const code = this.renderStyledCodeLines(changes)
+
+    return (
+      <div style={{ marginTop: '8px' }}>
+        {this.props.title ? <Typography className={this.props.classes.title}>{this.props.title}</Typography> : null}
+        <div tabIndex={0} onKeyDown={this.handleCtrlA} className={this.props.classes.codeWrapper}>
+          <Gutters
+            className={this.props.classes.gutters}
+            changes={changes}
+            treeNode={this.props.treeNode}
+            literalPositions={literalPositions}
+          />
+          <pre className={this.props.classes.codeBlock}>{code}</pre>
+        </div>
+        <DiffCount changes={changes} nameOfCompareMessage={this.props.nameOfCompareMessage} />
+      </div>
+    )
+  }
+}
+
+export default withStyles(style)(CodeDiff)
@@ -0,0 +1,67 @@
+import { CodeBlockColors, CodeBlockColorsBraceMonokai } from '../CodeBlockColors'
+import { Theme } from '@material-ui/core'
+
+export const style = (theme: Theme) => {
+  const codeBlockColors = theme.palette.type === 'light' ? CodeBlockColors : CodeBlockColorsBraceMonokai
+  const codeBaseStyle = {
+    font: "12px/normal 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace",
+    display: 'inline-grid' as 'inline-grid',
+    margin: '0',
+    padding: '1px 0 0 0',
+  }
+
+  return {
+    title: {
+      font: codeBaseStyle.font,
+      paddingLeft: '4px',
+      backgroundColor: codeBlockColors.gutters,
+    },
+    line: {
+      lineHeight: 'normal' as 'normal',
+      paddingLeft: '4px',
+      width: '100%',
+      height: '16px',
+    },
+    codeWrapper: {
+      display: 'flex',
+      maxHeight: '15em',
+      overflow: 'auto',
+      backgroundColor: `${codeBlockColors.background}`,
+    },
+    gutters: {
+      ...codeBaseStyle,
+      width: '33px',
+      backgroundColor: codeBlockColors.gutters,
+      userSelect: 'none' as 'none',
+    },
+    codeBlock: {
+      ...codeBaseStyle,
+      width: 'calc(100% - 33px)',
+      backgroundColor: 'inherit !important',
+      '& span': {
+        color: codeBlockColors.text,
+      },
+      '& .token.number': {
+        color: codeBlockColors.numeric,
+      },
+      '& .token.boolean': {
+        color: codeBlockColors.numeric,
+      },
+      '& .token.property': {
+        color: codeBlockColors.variable,
+      },
+      '& .token.string': {
+        color: codeBlockColors.string,
+      },
+      '& .token': {
+        color: codeBlockColors.text,
+      },
+      '& .token.operator': {
+        color: codeBlockColors.text,
+      },
+      '& .token.punctuation': {
+        color: codeBlockColors.text,
+      },
+    },
+  }
+}
@@ -0,0 +1,69 @@
+export function trimNewlineRight(str: string) {
+  if (str.slice(-1) === '\n') {
+    return str.slice(0, -1)
+  }
+
+  return str
+}
+
+const gutterBaseStyle = {}
+
+const additionStyle = {
+  ...gutterBaseStyle,
+  backgroundColor: 'rgba(10, 255, 10, 0.3)',
+}
+
+const deletionStyle = {
+  ...gutterBaseStyle,
+  backgroundColor: 'rgba(255, 10, 10, 0.3)',
+}
+
+export function lineChangeStyle(change: Diff.Change) {
+  if (change.added === true) {
+    return additionStyle
+  }
+
+  if (change.removed === true) {
+    return deletionStyle
+  }
+
+  return gutterBaseStyle
+}
+
+export function toPlottableValue(value: any): number | undefined {
+  if (typeof value === 'number') {
+    return value
+  }
+
+  if (typeof value === 'boolean') {
+    return value ? 1 : 0
+  }
+
+  const isNumber = !isNaN(value)
+  const floatVal = parseFloat(value)
+  if (isNumber && !isNaN(floatVal)) {
+    return floatVal
+  }
+
+  const intVal = parseInt(value, undefined)
+  if (isNumber && !isNaN(intVal)) {
+    return intVal
+  }
+
+  // Convert "on" / "off" to int 1 / 0
+  if (typeof value === 'string') {
+    if (/^(on$)|(off$)/i.test(value)) {
+      return value.toLowerCase() === 'on' ? 1 : 0
+    }
+    if (/^[0-9]*,[0-9]+$/.test(value)) {
+      let parsedFloat = parseFloat(value.replace(',', '.'))
+      if (!isNaN(parsedFloat)) {
+        return parsedFloat
+      }
+    }
+  }
+}
+
+export function isPlottable(value: any) {
+  return !isNaN(toPlottableValue(value) as any)
+}
@@ -1,7 +1,7 @@
-import * as React from 'react'
+import React, { useCallback, useState, useEffect, memo } from 'react'
 import { Badge, Typography } from '@material-ui/core'
 import { selectTextWithCtrlA } from '../../utils/handleTextSelectWithCtrlA'
-import { Theme, withStyles } from '@material-ui/core/styles'
+import { Theme, withStyles, emphasize } from '@material-ui/core/styles'

 interface HistoryItem {
  key: string
@@ -15,94 +15,102 @@ interface Props {
  onClick?: (index: number, element: EventTarget) => void
  classes: any
  contentTypeIndicator?: JSX.Element
+  autoOpen?: boolean
  theme: Theme
+  children?: any
 }

-interface State {
-  collapsed: boolean
-}
+function HistoryDrawer(props: Props) {
+  const handleCtrlA = selectTextWithCtrlA({ targetSelector: 'pre' })
+  const [expanded, setExpanded] = useState<boolean | undefined>(undefined)

-class HistoryDrawer extends React.Component<Props, State> {
-  constructor(props: any) {
-    super(props)
-    this.state = {
-      collapsed: true,
+  const toggle = useCallback(() => {
+    setExpanded(!expanded)
+  }, [expanded])
+
+  useEffect(() => {
+    if (props.autoOpen && expanded === undefined && props.items.length > 0) {
+      setExpanded(true)
    }
+  }, [props.autoOpen, expanded, props.items])
+
+  const createSelectionHandler = (index: number) => (event: React.MouseEvent) => {
+    props.onClick && props.onClick(index, event.target)
+    event.preventDefault()
+    event.stopPropagation()
  }

-  private toggle = () => {
-    this.setState({ collapsed: !this.state.collapsed })
-  }
-
-  private handleCtrlA = selectTextWithCtrlA({targetSelector: 'pre'})
-
-  public renderHistory() {
+  function renderHistory() {
    const style = (element: HistoryItem) => ({
-      backgroundColor: element.selected ? this.props.theme.palette.action.selected : this.props.theme.palette.action.hover,
+      backgroundColor: element.selected
+        ? emphasize(props.theme.palette.background.default, 0.2)
+        : emphasize(props.theme.palette.background.default, 0.07),
      margin: '8px',
      padding: '8px 8px 0 8px',
-      cursor: this.props.onClick ? 'pointer' : 'inherit',
+      cursor: props.onClick ? 'pointer' : 'inherit',
    })

    const messageStyle: React.CSSProperties = { textOverflow: 'ellipsis', whiteSpace: 'nowrap', overflow: 'hidden' }
-    const elements = this.props.items.map((element, index) => (
+    const elements = props.items.map((element, index) => (
      <div
        key={element.key}
        style={style(element)}
-        onClick={(event: React.MouseEvent) => this.props.onClick && this.props.onClick(index, event.target)}
-        tabIndex={0} onKeyDown={this.handleCtrlA}
+        onClick={createSelectionHandler(index)}
+        tabIndex={0}
+        onKeyDown={handleCtrlA}
      >
-        <div><i>{element.title}</i></div>
+        <div>
+          <i>{element.title}</i>
+        </div>
        <div style={messageStyle}>
-          <span><pre>{element.value}</pre></span>
+          <span>
+            <pre>{element.value}</pre>
+          </span>
        </div>
      </div>
    ))

-    const visible = this.props.items.length > 0 && this.state.collapsed
+    const visible = props.items.length > 0 && !expanded

    return (
-      <div className={this.props.classes.main}>
-        <Typography
-          component={'span'}
-          onClick={this.toggle}
-          style={{ cursor: 'pointer' }}
+      <div className={props.classes.main}>
+        <div
+          style={{
+            backgroundColor: emphasize(props.theme.palette.background.default, 0.07),
+            borderBottom: expanded ? `1px solid ${emphasize(props.theme.palette.background.default, 0.2)}` : undefined,
+          }}
        >
-          <Badge
-            classes={{ badge: this.props.classes.badge }}
-            invisible={!visible}
-            badgeContent={this.props.items.length}
-            color="primary"
-          >
-            {this.state.collapsed ? '▶ History' : '▼ History'}
-          </Badge>
-          <div style={{ float: 'right' }}>{this.state.collapsed ? this.props.contentTypeIndicator : null}</div>
-        </Typography>
-        <div style={{ maxHeight: '230px', overflowY: 'scroll'  }}>
-          {this.state.collapsed ? null : this.props.children}
-          {this.state.collapsed ? null : elements}
+          <Typography component={'span'} onClick={toggle} style={{ cursor: 'pointer', display: 'flex' }}>
+            <span style={{ flexGrow: 1 }}>
+              <Badge
+                classes={{ badge: props.classes.badge }}
+                invisible={!visible}
+                badgeContent={props.items.length}
+                color="primary"
+              >
+                {expanded ? '▼ History' : '▶ History'}
+              </Badge>
+            </span>
+            <span>{props.contentTypeIndicator}</span>
+          </Typography>
+        </div>
+        <div style={{ maxHeight: '230px', overflowY: 'scroll' }}>
+          {expanded ? props.children : null}
+          {expanded ? elements : null}
        </div>
      </div>
    )
  }

-  public render() {
-    return (
-      <div
-        style={{ display: 'block', width: '100%' }}
-      >
-        {this.renderHistory()}
-      </div>
-    )
-  }
+  return <div style={{ display: 'block', width: '100%' }}>{renderHistory()}</div>
 }

 const styles = (theme: Theme) => ({
  main: {
-    backgroundColor: 'rgba(170, 170, 170, 0.2)',
+    backgroundColor: theme.palette.background.default,
    marginTop: '16px',
  },
  badge: { right: '-25px' },
 })

-export default withStyles(styles, { withTheme: true })(HistoryDrawer)
+export default withStyles(styles, { withTheme: true })(memo(HistoryDrawer))
@@ -4,7 +4,7 @@ import { TopicViewModel } from '../../model/TopicViewModel'
 import { Typography } from '@material-ui/core'

 interface Props {
-  node: q.TreeNode<TopicViewModel>
+  node?: q.TreeNode<TopicViewModel>
 }

 class NodeStats extends React.Component<Props, {}> {
@@ -14,6 +14,9 @@ class NodeStats extends React.Component<Props, {}> {

  public render() {
    const { node } = this.props
+    if (!node) {
+      return null
+    }

    return (
      <div>
@@ -0,0 +1,33 @@
+import React from 'react'
+import ExpandMore from '@material-ui/icons/ExpandMore'
+import { ExpansionPanel, ExpansionPanelDetails, ExpansionPanelSummary, Typography, Theme } from '@material-ui/core'
+import { withStyles } from '@material-ui/styles'
+
+const styles = (theme: Theme) => ({
+  summary: { minHeight: '0' },
+  details: { padding: '0px 16px 8px 8px', display: 'block' },
+  heading: {
+    fontSize: theme.typography.pxToRem(15),
+    fontWeight: theme.typography.fontWeightRegular,
+  },
+})
+
+const Panel = (props: {
+  classes: any
+  children: [React.ReactElement, React.ReactElement]
+  disabled?: boolean
+  detailsHidden?: boolean
+}) => {
+  return (
+    <ExpansionPanel defaultExpanded={true} disabled={props.disabled}>
+      <ExpansionPanelSummary expandIcon={<ExpandMore />} className={props.classes.summary}>
+        <Typography className={props.classes.heading}>{props.children[0]}</Typography>
+      </ExpansionPanelSummary>
+      {props.detailsHidden ? null : (
+        <ExpansionPanelDetails className={props.classes.detail}>{props.children[1]}</ExpansionPanelDetails>
+      )}
+    </ExpansionPanel>
+  )
+}
+
+export default withStyles(styles)(Panel)
@@ -0,0 +1,39 @@
+import * as React from 'react'
+import { default as AceEditor } from 'react-ace'
+import { Theme, withTheme } from '@material-ui/core'
+import 'brace/mode/json'
+import 'brace/theme/dawn'
+import 'brace/theme/monokai'
+import 'brace/mode/xml'
+import 'brace/mode/text'
+import 'react-ace'
+
+function Editor(props: {
+  editorMode: string
+  theme: Theme
+  value: string | undefined
+  onChange: (value: string) => void
+}) {
+  const editorOptions = {
+    showLineNumbers: false,
+    tabSize: 2,
+  }
+
+  return (
+    <AceEditor
+      style={{}}
+      mode={props.editorMode}
+      theme={props.theme.palette.type === 'dark' ? 'monokai' : 'dawn'}
+      name="UNIQUE_ID_OF_DIV"
+      width="100%"
+      height="200px"
+      showGutter={true}
+      value={props.value}
+      onChange={props.onChange}
+      setOptions={editorOptions}
+      editorProps={{ $blockScrolling: true }}
+    />
+  )
+}
+
+export default withTheme(Editor)
@@ -0,0 +1,40 @@
+import * as React from 'react'
+import { FormControlLabel, Radio, RadioGroup } from '@material-ui/core'
+
+interface Props {
+  value: string
+  onChange: (event: React.ChangeEvent<{}>, value: string) => void
+}
+export function EditorModeSelect(props: Props) {
+  const labelStyle = { margin: '0 8px 0 8px' }
+  return (
+    <RadioGroup
+      style={{ display: 'inline-block', float: 'left' }}
+      value={props.value}
+      onChange={props.onChange}
+      row={true}
+    >
+      <FormControlLabel
+        value="text"
+        style={labelStyle}
+        control={<Radio color="primary" />}
+        label="raw"
+        labelPlacement="top"
+      />
+      <FormControlLabel
+        value="xml"
+        style={labelStyle}
+        control={<Radio color="primary" />}
+        label="xml"
+        labelPlacement="top"
+      />
+      <FormControlLabel
+        value="json"
+        style={labelStyle}
+        control={<Radio color="primary" />}
+        label="json"
+        labelPlacement="top"
+      />
+    </RadioGroup>
+  )
+}
@@ -1,41 +1,18 @@
-import * as q from '../../../../../backend/src/Model'
-import * as React from 'react'
-import ClearAdornment from '../../helper/ClearAdornment'
+import Editor from './Editor'
 import FormatAlignLeft from '@material-ui/icons/FormatAlignLeft'
-import History from '../HistoryDrawer'
 import Message from './Model/Message'
 import Navigation from '@material-ui/icons/Navigation'
+import PublishHistory from './PublishHistory'
+import React, { useCallback, useMemo, useState } from 'react'
+import RetainSwitch from './RetainSwitch'
+import TopicInput from './TopicInput'
 import { AppState } from '../../../reducers'
 import { bindActionCreators } from 'redux'
+import { Button, Fab, Theme, Tooltip, withTheme } from '@material-ui/core'
 import { connect } from 'react-redux'
-import { default as AceEditor } from 'react-ace'
+import { EditorModeSelect } from './EditorModeSelect'
 import { globalActions, publishActions } from '../../../actions'
-import { TopicViewModel } from '../../../model/TopicViewModel'
-import 'brace/mode/json'
-import 'brace/theme/dawn'
-import 'brace/theme/monokai'
-import 'brace/mode/xml'
-import 'brace/mode/text'
-import 'react-ace'
-
-import {
-  Button,
-  FormControlLabel,
-  Radio,
-  RadioGroup,
-  TextField,
-  FormControl,
-  InputLabel,
-  Input,
-  Checkbox,
-  MenuItem,
-  Tooltip,
-  Fab,
-  Theme,
-  withTheme,
-} from '@material-ui/core'
-
-const sha1 = require('sha1')
+import { KeyCodes } from '../../../utils/KeyCodes'

 interface Props {
  connectionId?: string
@@ -45,285 +22,149 @@ interface Props {
  globalActions: typeof globalActions
  retain: boolean
  editorMode: string
-  qos: 0 | 1 | 2
  theme: Theme
 }

-interface State {
-  history: Array<Message>
+function useHistory(): [Array<Message>, (topic: string, payload?: string) => void] {
+  const [history, setHistory] = useState<Array<Message>>([])
+  const amendToHistory = useCallback(
+    (topic: string, payload?: string) => {
+      // Remove duplicates
+      let filteredHistory = history.filter(e => e.payload !== payload || e.topic !== topic)
+      filteredHistory = filteredHistory.slice(-7)
+      setHistory([...filteredHistory, { topic, payload, sent: new Date() }])
+    },
+    [history]
+  )
+
+  return [history, amendToHistory]
 }

-class Publish extends React.Component<Props, State> {
+function Publish(props: Props) {
+  const [history, amendToHistory] = useHistory()

-  private editorOptions = {
-    showLineNumbers: false,
-    tabSize: 2,
-  }
-  constructor(props: any) {
-    super(props)
-    this.state = { history: [] }
-  }
-
-  private updatePayload = (payload: string, event?: any) => {
-    this.props.actions.setPayload(payload)
-  }
-
-  private updateTopic = (e: React.ChangeEvent<HTMLInputElement>) => {
-    this.props.actions.setTopic(e.target.value)
-  }
-
-  private updateMode = (e: React.ChangeEvent<{}>, value: string) => {
-    this.props.actions.setEditorMode(value)
-  }
-
-  private publish = (e: React.MouseEvent) => {
-    e.stopPropagation()
-    if (!this.props.connectionId) {
+  const publish = useCallback(() => {
+    if (!props.connectionId) {
      return
    }

-    this.props.actions.publish(this.props.connectionId)
+    props.actions.publish(props.connectionId)

-    const topic = this.props.topic || ''
-    const payload = this.props.payload
-    if (this.props.connectionId && topic) {
-      this.addMessageToHistory(topic, payload)
+    const topic = props.topic || ''
+    const payload = props.payload
+    if (props.connectionId && topic) {
+      amendToHistory(topic, payload)
    }
-  }
+  }, [props, props.connectionId, props.topic, props.payload, amendToHistory])

-  private addMessageToHistory(topic: string, payload?: string) {
-    // Remove duplicates
-    let filteredHistory = this.state.history.filter(e => e.payload !== payload || e.topic !== topic)
-    filteredHistory = filteredHistory.slice(-7)
-    const history: Array<Message> = [...filteredHistory, { topic, payload, sent: new Date() }]
-    this.setState({ history })
-  }
+  const handleSubmit = useCallback(
+    (e: React.KeyboardEvent) => {
+      if (e.keyCode === KeyCodes.enter && (e.metaKey || e.ctrlKey)) {
+        e.preventDefault()
+        e.stopPropagation()
+        publish()
+      }
+    },
+    [publish]
+  )

-  private clearTopic = () => {
-    this.props.actions.setTopic('')
-  }
-
-  private topic() {
-    const topicStr = this.props.topic || ''
-
-    return (
-      <div>
-        <FormControl style={{ width: '100%' }}>
-            <InputLabel htmlFor="publish-topic">Topic</InputLabel>
-            <Input
-              id="publish-topic"
-              value={topicStr}
-              startAdornment={<span/>}
-              endAdornment={<ClearAdornment action={this.clearTopic} value={topicStr} />}
-              onBlur={this.onTopicBlur}
-              onChange={this.updateTopic}
-              multiline={true}
-              placeholder="example/topic"
-            />
-          </FormControl>
+  return useMemo(
+    () => (
+      <div style={{ flexGrow: 1 }} onKeyDown={handleSubmit}>
+        <TopicInput />
+        <div style={{ width: '100%', display: 'block' }}>
+          <EditorMode
+            actions={props.actions}
+            globalActions={props.globalActions}
+            payload={props.payload}
+            editorMode={props.editorMode}
+            publish={publish}
+          />
+          <Editor value={props.payload} editorMode={props.editorMode} onChange={props.actions.setPayload} />
+          <RetainSwitch />
+        </div>
+        <PublishHistory history={history} />
      </div>
-    )
-  }
+    ),
+    [props.payload, props.editorMode, history, handleSubmit, publish]
+  )
+}

-  private onTopicBlur = (e: React.FocusEvent<HTMLInputElement>) => {
-    if (!e.target.value) {
-      this.props.actions.setTopic(undefined)
-    }
-  }
+function EditorMode(props: {
+  payload?: string
+  editorMode: string
+  actions: typeof publishActions
+  globalActions: typeof globalActions
+  publish: () => void
+}) {
+  const updatePayload = props.actions.setPayload

-  private publishButton() {
-    return (
-      <Button
-        variant="contained"
-        size="small"
-        color="primary"
-        onClick={this.publish}
-        id="publish-button"
-      >
-        <Navigation style={{ marginRight: '8px' }} /> Publish
-      </Button>
-    )
-  }
+  const updateMode = useCallback((e: React.ChangeEvent<{}>, value: string) => {
+    props.actions.setEditorMode(value)
+  }, [])

-  private formatJson = () => {
-    if (this.props.payload) {
+  const formatJson = useCallback(() => {
+    if (props.payload) {
      try {
-        const str = JSON.stringify(JSON.parse(this.props.payload), undefined, '  ')
-        this.updatePayload(str)
+        const str = JSON.stringify(JSON.parse(props.payload), undefined, '  ')
+        updatePayload(str)
      } catch (error) {
-        this.props.globalActions.showError(`Format error: ${error.message}`)
+        props.globalActions.showError(`Format error: ${error.message}`)
      }
    }
-  }
+  }, [props.payload])

-  private renderFormatJson() {
-    if (this.props.editorMode !== 'json') {
+  const renderFormatJson = useCallback(() => {
+    if (props.editorMode !== 'json') {
      return null
    }

    return (
      <Tooltip title="Format JSON">
-        <Fab style={{ width: '36px', height: '36px', marginLeft: '8px' }} onClick={this.formatJson} id="sidebar-publish-format-json">
+        <Fab
+          style={{ width: '36px', height: '36px', margin: '0 8px' }}
+          onClick={formatJson}
+          id="sidebar-publish-format-json"
+        >
          <FormatAlignLeft style={{ fontSize: '20px' }} />
        </Fab>
      </Tooltip>
    )
-  }
+  }, [formatJson, props.editorMode, props.publish])

-  private editorMode() {
-    return (
+  return useMemo(
+    () => (
      <div style={{ marginTop: '16px' }}>
-        <div style={{ width: '100%', lineHeight: '64px' }}>
-          {this.renderEditorModeSelection()}
-          {this.renderFormatJson()}
-          <div style={{ float: 'right', marginRight: '16px' }}>
-            {this.publishButton()}
+        <div style={{ width: '100%', lineHeight: '64px', textAlign: 'center' }}>
+          <EditorModeSelect value={props.editorMode} onChange={updateMode} />
+          {renderFormatJson()}
+          <div style={{ float: 'right' }}>
+            <PublishButton publish={props.publish} />
          </div>
        </div>
      </div>
-    )
-  }
+    ),
+    [props.editorMode, renderFormatJson]
+  )
+}

-  private renderEditorModeSelection() {
-    const labelStyle = { margin: '0 8px 0 8px' }
-    return (
-      <RadioGroup
-        style={{ display: 'inline-block', float: 'left' }}
-        value={this.props.editorMode}
-        onChange={this.updateMode}
-        row={true}
-      >
-        <FormControlLabel
-          value="text"
-          style={labelStyle}
-          control={<Radio color="primary" />}
-          label="raw"
-          labelPlacement="top"
-        />
-        <FormControlLabel
-          value="xml"
-          style={labelStyle}
-          control={<Radio color="primary" />}
-          label="xml"
-          labelPlacement="top"
-        />
-        <FormControlLabel
-          value="json"
-          style={labelStyle}
-          control={<Radio color="primary" />}
-          label="json"
-          labelPlacement="top"
-        />
-      </RadioGroup>
-    )
-  }
+const PublishButton = (props: { publish: () => void }) => {
+  const handleClickPublish = useCallback(
+    (e: React.MouseEvent) => {
+      e.stopPropagation()
+      props.publish()
+    },
+    [props.publish]
+  )

-  private onChangeQoS = (event: React.ChangeEvent<HTMLInputElement>) => {
-    const value = parseInt(event.target.value, 10)
-    if (value !== 0 && value !== 1 && value !== 2) {
-      return
-    }
-
-    this.props.actions.setQoS(value)
-  }
-
-  private publishMode() {
-    const labelStyle = { margin: '0 8px 0 8px' }
-    const itemStyle = { padding: '0' }
-    const tooltipStyle = { textAlign: 'center' as 'center', width: '100%' }
-    const qosSelect = (
-      <TextField
-        select={true}
-        value={this.props.qos}
-        margin="normal"
-        style={{ margin: '8px 0 8px 8px' }}
-        onChange={this.onChangeQoS}
-      >
-        <MenuItem key={0} value={0} style={itemStyle}>
-          <Tooltip title="At most once"><div style={tooltipStyle}>0</div></Tooltip>
-        </MenuItem>
-        <MenuItem key={1} value={1} style={itemStyle}>
-          <Tooltip title="At least once"><div style={tooltipStyle}>1</div></Tooltip>
-        </MenuItem>
-        <MenuItem key={2} value={2} style={itemStyle}>
-          <Tooltip title="Exactly once"><div style={tooltipStyle}>2</div></Tooltip>
-        </MenuItem>
-      </TextField>
-    )
-    return (
-      <div style={{ marginTop: '8px', clear: 'both' }}>
-        <div style={{ width: '100%', textAlign: 'right' }}>
-          <FormControlLabel
-            style={labelStyle}
-            control={qosSelect}
-            label="QoS"
-            labelPlacement="start"
-          />
-          <Tooltip title="Retained messages only appear to be retained, when client subscribes after the initial publish." placement="top">
-            <FormControlLabel
-              value="retain"
-              style={labelStyle}
-              control={<Checkbox color="primary" checked={this.props.retain} onChange={this.props.actions.toggleRetain} />}
-              label="retain"
-              labelPlacement="end"
-            />
-          </Tooltip>
-        </div>
-      </div>
-    )
-  }
-
-  private history() {
-    const items = this.state.history.reverse().map(message => ({
-      key: sha1(message.topic + message.payload),
-      title: message.topic,
-      value: message.payload || '',
-    }))
-    return <History items={items} onClick={this.didSelectHistoryEntry} />
-  }
-
-  private didSelectHistoryEntry = (index: number) => {
-    const message = this.state.history[index]
-    this.props.actions.setTopic(message.topic)
-    this.props.actions.setPayload(message.payload)
-  }
-
-  private editor() {
-    return (
-      <div style={{ width: '100%', display: 'block' }}>
-        {this.editorMode()}
-        {this.renderEditor()}
-        {this.publishMode()}
-      </div>
-    )
-  }
-
-  private renderEditor() {
-    return (
-      <AceEditor
-        mode={this.props.editorMode}
-        theme={this.props.theme.palette.type === 'dark' ? 'monokai' : 'dawn'}
-        name="UNIQUE_ID_OF_DIV"
-        width="100%"
-        height="200px"
-        showGutter={true}
-        value={this.props.payload}
-        onChange={this.updatePayload}
-        setOptions={this.editorOptions}
-        editorProps={{ $blockScrolling: true }}
-      />
-    )
-  }
-
-  public render() {
-    return (
-      <div style={{ flexGrow: 1, marginLeft: '8px' }}>
-        {this.topic()}
-        {this.editor()}
-        {this.history()}
-      </div>
-    )
-  }
+  return useMemo(
+    () => (
+      <Button variant="contained" size="small" color="primary" onClick={handleClickPublish} id="publish-button">
+        <Navigation style={{ marginRight: '8px' }} /> Publish
+      </Button>
+    ),
+    [handleClickPublish]
+  )
 }

 const mapDispatchToProps = (dispatch: any) => {
@@ -339,8 +180,10 @@ const mapStateToProps = (state: AppState) => {
    payload: state.publish.payload,
    editorMode: state.publish.editorMode,
    retain: state.publish.retain,
-    qos: state.publish.qos,
  }
 }

-export default connect(mapStateToProps, mapDispatchToProps)(withTheme(Publish))
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(withTheme(Publish))
@@ -0,0 +1,40 @@
+import History from '../HistoryDrawer'
+import Message from './Model/Message'
+import React, { useCallback, useMemo } from 'react'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+import { publishActions } from '../../../actions'
+const sha1 = require('sha1')
+
+function PublishHistory(props: { history: Array<Message>; actions: typeof publishActions }) {
+  const didSelectHistoryEntry = useCallback(
+    (index: number) => {
+      const items = [...props.history].reverse()
+      const message = items[index]
+      props.actions.setTopic(message.topic)
+      props.actions.setPayload(message.payload)
+    },
+    [props.history]
+  )
+
+  return useMemo(() => {
+    const items = [...props.history].reverse().map(message => ({
+      key: sha1(message.topic + message.payload),
+      title: message.topic,
+      value: message.payload || '',
+    }))
+
+    return <History autoOpen={true} items={items} onClick={didSelectHistoryEntry} />
+  }, [props.history])
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: bindActionCreators(publishActions, dispatch),
+  }
+}
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(PublishHistory)
@@ -0,0 +1,75 @@
+import * as React from 'react'
+import { TextField, MenuItem, Tooltip } from '@material-ui/core'
+import { connect } from 'react-redux'
+import { AppState } from '../../../reducers'
+import { bindActionCreators } from 'redux'
+import { publishActions } from '../../../actions'
+
+interface Props {
+  qos: 0 | 1 | 2
+  actions: {
+    publish: typeof publishActions
+  }
+}
+
+function QosSelect(props: Props) {
+  const tooltipStyle = { textAlign: 'center' as 'center', width: '100%' }
+  const itemStyle = { padding: '0' }
+
+  const onChangeQos = React.useCallback(
+    (event: React.ChangeEvent<HTMLInputElement>) => {
+      const value = parseInt(event.target.value, 10)
+      if (value !== 0 && value !== 1 && value !== 2) {
+        return
+      }
+
+      props.actions.publish.setQoS(value)
+    },
+    [props.actions.publish]
+  )
+
+  return (
+    <TextField
+      select={true}
+      value={props.qos}
+      margin="normal"
+      style={{ margin: '8px 0 8px 8px' }}
+      onChange={onChangeQos}
+    >
+      <MenuItem key={0} value={0} style={itemStyle}>
+        <Tooltip title="At most once">
+          <div style={tooltipStyle}>0</div>
+        </Tooltip>
+      </MenuItem>
+      <MenuItem key={1} value={1} style={itemStyle}>
+        <Tooltip title="At least once">
+          <div style={tooltipStyle}>1</div>
+        </Tooltip>
+      </MenuItem>
+      <MenuItem key={2} value={2} style={itemStyle}>
+        <Tooltip title="Exactly once">
+          <div style={tooltipStyle}>2</div>
+        </Tooltip>
+      </MenuItem>
+    </TextField>
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      publish: bindActionCreators(publishActions, dispatch),
+    },
+  }
+}
+
+const mapStateToProps = (state: AppState) => {
+  return {
+    qos: state.publish.qos,
+  }
+}
+
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(QosSelect)
@@ -0,0 +1,47 @@
+import QosSelect from './QosSelect'
+import React from 'react'
+import { Checkbox, FormControlLabel, Tooltip } from '@material-ui/core'
+import { publishActions } from '../../../actions'
+import { bindActionCreators } from 'redux'
+import { AppState } from '../../../reducers'
+import { connect } from 'react-redux'
+
+export function RetainSwitch(props: { retain: boolean; actions: typeof publishActions }) {
+  const labelStyle = { margin: '0 8px 0 8px' }
+  return (
+    <div style={{ marginTop: '8px', clear: 'both' }}>
+      <div style={{ width: '100%', textAlign: 'right' }}>
+        <FormControlLabel style={labelStyle} control={<QosSelect />} label="QoS" labelPlacement="start" />
+        <Tooltip
+          title="Retained messages only appear to be retained, when client subscribes after the initial publish."
+          placement="top"
+        >
+          <FormControlLabel
+            value="retain"
+            style={labelStyle}
+            control={<Checkbox color="primary" checked={props.retain} onChange={props.actions.toggleRetain} />}
+            label="retain"
+            labelPlacement="end"
+          />
+        </Tooltip>
+      </div>
+    </div>
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: bindActionCreators(publishActions, dispatch),
+  }
+}
+
+const mapStateToProps = (state: AppState) => {
+  return {
+    retain: state.publish.retain,
+  }
+}
+
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(RetainSwitch)
@@ -0,0 +1,63 @@
+import ClearAdornment from '../../helper/ClearAdornment'
+import React, { useCallback, useMemo } from 'react'
+import { FormControl, Input, InputLabel } from '@material-ui/core'
+import { publishActions } from '../../../actions'
+import { bindActionCreators } from 'redux'
+import { AppState } from '../../../reducers'
+import { connect } from 'react-redux'
+
+function TopicInput(props: { actions: typeof publishActions; topic?: string }) {
+  const updateTopic = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
+    props.actions.setTopic(e.target.value)
+  }, [])
+
+  const clearTopic = useCallback(() => {
+    props.actions.setTopic('')
+  }, [])
+
+  const onTopicBlur = useCallback((e: React.FocusEvent<HTMLInputElement>) => {
+    if (!e.target.value) {
+      props.actions.setTopic(undefined)
+    }
+  }, [])
+
+  const topicStr = props.topic || ''
+
+  return useMemo(
+    () => (
+      <div>
+        <FormControl style={{ width: '100%' }}>
+          <InputLabel htmlFor="publish-topic">Topic</InputLabel>
+          <Input
+            id="publish-topic"
+            value={topicStr}
+            startAdornment={<span />}
+            endAdornment={<ClearAdornment action={clearTopic} value={topicStr} />}
+            onBlur={onTopicBlur}
+            onChange={updateTopic}
+            multiline={false}
+            placeholder="example/topic"
+          />
+        </FormControl>
+      </div>
+    ),
+    [topicStr]
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: bindActionCreators(publishActions, dispatch),
+  }
+}
+
+const mapStateToProps = (state: AppState) => {
+  return {
+    topic: state.publish.topic,
+  }
+}
+
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(TopicInput)
@@ -1,181 +1,84 @@
 import * as q from '../../../../backend/src/Model'
-import * as React from 'react'
-import Copy from '../helper/Copy'
-import CustomIconButton from '../helper/CustomIconButton'
-import Delete from '@material-ui/icons/Delete'
+import React, { useState, useEffect, useCallback } from 'react'
 import ExpandMore from '@material-ui/icons/ExpandMore'
 import NodeStats from './NodeStats'
-import Topic from './Topic'
 import ValuePanel from './ValueRenderer/ValuePanel'
 import { AppState } from '../../reducers'
+import { Badge, ExpansionPanel, ExpansionPanelDetails, ExpansionPanelSummary, Typography } from '@material-ui/core'
 import { bindActionCreators } from 'redux'
 import { connect } from 'react-redux'
 import { settingsActions, sidebarActions } from '../../actions'
-import { StyleRulesCallback, Theme, withStyles } from '@material-ui/core/styles'
+import { Theme, withStyles } from '@material-ui/core/styles'
 import { TopicViewModel } from '../../model/TopicViewModel'
-
-import {
-  ExpansionPanel,
-  ExpansionPanelDetails,
-  ExpansionPanelSummary,
-  Typography,
-  Badge,
-} from '@material-ui/core'
+import TopicPanel from './TopicPanel/TopicPanel'
+import Panel from './Panel'
+import { usePollingToFetchTreeNode } from '../helper/usePollingToFetchTreeNode'

 const throttle = require('lodash.throttle')

 const Publish = React.lazy(() => import('./Publish/Publish'))

 interface Props {
-  node?: q.TreeNode<TopicViewModel>
+  nodePath?: string
+  tree?: q.Tree<TopicViewModel>
  actions: typeof sidebarActions
  settingsActions: typeof settingsActions
  classes: any
  connectionId?: string
 }

-interface State {
-  compareMessage?: q.Message
-  valueRenderWidth: number
+function useUpdateNodeWhenNodeReceivesUpdates(node?: q.TreeNode<any>) {
+  const [lastUpdate, setLastUpdate] = useState(0)
+  const updateNode = useCallback(
+    throttle(() => {
+      setLastUpdate(node ? node.lastUpdate : 0)
+    }, 300),
+    [node]
+  )
+
+  useEffect(() => {
+    const updateCallback = updateNode
+    node && node.onMerge.subscribe(updateCallback)
+    node && node.onMessage.subscribe(updateCallback)
+
+    return function cleanup() {
+      node && node.onMerge.unsubscribe(updateCallback)
+      node && node.onMessage.unsubscribe(updateCallback)
+    }
+  }, [node])
 }

-class Sidebar extends React.Component<Props, State> {
-  private updateNode = throttle(() => {
-    this.setState(this.state)
-  }, 300)
+function Sidebar(props: Props) {
+  const { classes, tree, nodePath } = props
+  const node = usePollingToFetchTreeNode(tree, nodePath || '')
+  useUpdateNodeWhenNodeReceivesUpdates(node)
+  // console.log(node && node.path(), tree, nodePath)

-  private detailsStyle = { padding: '0px 16px 8px 8px', display: 'block' }
-
-  constructor(props: any) {
-    super(props)
-    this.state = { valueRenderWidth: 300 }
-  }
-
-  private registerUpdateListener(node: q.TreeNode<TopicViewModel>) {
-    node.onMerge.subscribe(this.updateNode)
-    node.onMessage.subscribe(this.updateNode)
-  }
-
-  private removeUpdateListener(node: q.TreeNode<TopicViewModel>) {
-    node.onMerge.unsubscribe(this.updateNode)
-    node.onMessage.unsubscribe(this.updateNode)
-  }
-
-  private renderTopicDeleteButton() {
-    if (!this.props.node || (!this.props.node.message || !this.props.node.message.value)) {
-      return null
-    }
-
-    return (
-      <CustomIconButton onClick={() => this.deleteTopic(this.props.node)} tooltip="Clear this topic">
-        <Delete style={{ marginTop: '-3px' }} />
-      </CustomIconButton>
-    )
-  }
-
-  private renderRecursiveTopicDeleteButton() {
-    const deleteLimit = 50
-    const topicCount = this.props.node ? this.props.node.childTopicCount() : 0
-    if ((!this.props.node || topicCount === 0) || (this.props.node.message && topicCount === 1)) {
-      return null
-    }
-
-    return (
-      <Badge
-        classes={{ badge: this.props.classes.badge }}
-        badgeContent={<span style={{ whiteSpace: 'nowrap' }}>{topicCount >= deleteLimit ? '50+' : topicCount}</span>}
-        color="secondary"
-      >
-        <CustomIconButton onClick={() => this.deleteTopic(this.props.node, true, deleteLimit)} tooltip={`Deletes up to ${deleteLimit} sub-topics with a single click`}>
-          <Delete style={{ marginTop: '-3px' }} color="action" />
-        </CustomIconButton>
-      </Badge>
-    )
-  }
-
-  private deleteTopic = (topic?: q.TreeNode<TopicViewModel>, recursive: boolean = false, maxCount = 50) => {
-    if (!topic) {
-      return
-    }
-
-    this.props.actions.clearTopic(topic, recursive, maxCount)
-  }
-
-  private renderNode() {
-    const { classes, node } = this.props
-
-    const copyTopic = node ? <Copy value={node.path()} /> : null
-    const deleteTopic = this.renderTopicDeleteButton()
-    const deleteRecursiveTopic = this.renderRecursiveTopicDeleteButton()
-    const summaryStyle = { minHeight: '0' }
-    return (
+  return (
+    <div id="Sidebar" className={classes.drawer}>
      <div>
-        <ExpansionPanel key="topic" defaultExpanded={true} disabled={!Boolean(this.props.node)}>
-          <ExpansionPanelSummary expandIcon={<ExpandMore />} style={summaryStyle}>
-            <Typography className={classes.heading}>Topic {copyTopic} {deleteTopic} {deleteRecursiveTopic}</Typography>
-          </ExpansionPanelSummary>
-          <ExpansionPanelDetails style={this.detailsStyle}>
-            <Topic node={this.props.node} didSelectNode={this.updateNode} />
+        <TopicPanel node={node} />
+        <ValuePanel lastUpdate={node ? node.lastUpdate : 0} />
+        <Panel>
+          <span>Publish</span>
+          <Publish connectionId={props.connectionId} />
+        </Panel>
+        <Panel detailsHidden={!node}>
+          <span>Stats</span>
+          <ExpansionPanelDetails className={classes.details}>
+            <NodeStats node={node} />
          </ExpansionPanelDetails>
-        </ExpansionPanel>
-        <ValuePanel lastUpdate={this.props.node ? this.props.node.lastUpdate : 0} />
-        <ExpansionPanel defaultExpanded={true}>
-          <ExpansionPanelSummary expandIcon={<ExpandMore />} style={summaryStyle}>
-            <Typography className={classes.heading}>Publish</Typography>
-          </ExpansionPanelSummary>
-          <ExpansionPanelDetails style={this.detailsStyle}>
-            <React.Suspense fallback={<div>Loading...</div>}>
-              <Publish connectionId={this.props.connectionId} />
-            </React.Suspense>
-          </ExpansionPanelDetails>
-        </ExpansionPanel>
-        <ExpansionPanel defaultExpanded={Boolean(this.props.node)}>
-          <ExpansionPanelSummary expandIcon={<ExpandMore />} style={summaryStyle}>
-            <Typography className={classes.heading}>Stats</Typography>
-          </ExpansionPanelSummary>
-          {this.renderNodeStats()}
-        </ExpansionPanel>
+        </Panel>
      </div>
-    )
-  }
-
-  private renderNodeStats() {
-    if (!this.props.node) {
-      return null
-    }
-
-    return (
-      <ExpansionPanelDetails style={this.detailsStyle}>
-        <NodeStats node={this.props.node} />
-      </ExpansionPanelDetails>
-    )
-  }
-
-  public componentWillReceiveProps(nextProps: Props) {
-    this.props.node && this.removeUpdateListener(this.props.node)
-    nextProps.node && this.registerUpdateListener(nextProps.node)
-
-    if (this.props.node !== nextProps.node) {
-      this.setState({ compareMessage: undefined })
-    }
-  }
-
-  public componentWillUnmount() {
-    this.props.node && this.removeUpdateListener(this.props.node)
-  }
-
-  public render() {
-    return (
-      <div id="Sidebar" className={this.props.classes.drawer}>
-        {this.renderNode()}
-      </div>
-    )
-  }
+    </div>
+  )
 }

 const mapStateToProps = (state: AppState) => {
+  const node = state.tree.get('selectedTopic')
  return {
-    node: state.tree.get('selectedTopic'),
+    tree: state.connection.tree,
+    nodePath: node && node.path(),
  }
 }

@@ -186,24 +89,19 @@ const mapDispatchToProps = (dispatch: any) => {
  }
 }

-const styles: StyleRulesCallback<string> = (theme: Theme) => {
-  return {
-    drawer: {
-      display: 'block',
-      height: '100%',
-    },
-    badge: {
-      top: '3px',
-      right: '3px',
-    },
-    valuePaper: {
-      margin: theme.spacing(1),
-    },
-    heading: {
-      fontSize: theme.typography.pxToRem(15),
-      fontWeight: theme.typography.fontWeightRegular,
-    },
-  }
-}
+const styles = (theme: Theme) => ({
+  drawer: {
+    display: 'block' as 'block',
+  },
+  details: {
+    padding: '0px 16px 8px 8px',
+    display: 'block',
+  },
+})

-export default withStyles(styles)(connect(mapStateToProps, mapDispatchToProps)(Sidebar))
+export default withStyles(styles)(
+  connect(
+    mapStateToProps,
+    mapDispatchToProps
+  )(Sidebar)
+)
@@ -1,71 +0,0 @@
-import * as React from 'react'
-import * as q from '../../../../backend/src/Model'
-import Button from '@material-ui/core/Button'
-import { withStyles, Theme, StyleRulesCallback } from '@material-ui/core/styles'
-import { treeActions } from '../../actions'
-import { bindActionCreators } from 'redux'
-import { connect } from 'react-redux'
-import { TopicViewModel } from '../../model/TopicViewModel'
-
-interface Props {
-  classes: any
-  theme: Theme
-  node?: q.TreeNode<TopicViewModel>
-  selected?: q.TreeNode<TopicViewModel>
-  actions: typeof treeActions
-  didSelectNode: (node: q.TreeNode<TopicViewModel>) => void
-}
-
-const styles: StyleRulesCallback<string> = (theme: Theme) => ({
-  button: {
-    textTransform: 'none',
-    padding: '3px 5px 3px 5px',
-    minWidth: '30px',
-  },
-})
-
-class Topic extends React.Component<Props, {}> {
-  public render() {
-    const { node, theme } = this.props
-    if (!node) {
-      return null
-    }
-
-    let key = 0
-    const breadCrumps = node.branch()
-      .map(node => node.sourceEdge)
-      .filter(edge => Boolean(edge))
-      .map(edge =>
-        [(
-          <Button
-            onClick={() => this.props.actions.selectTopic(edge!.target)}
-            size="small"
-            variant={theme.palette.type === 'light' ? 'contained' : undefined}
-            color={theme.palette.type === 'light' ? 'primary' : 'secondary'}
-            className={this.props.classes.button}
-            key={edge!.hash()}
-          >
-            {edge!.name}
-          </Button>
-        )]
-      )
-
-    if (breadCrumps.length === 0) {
-      return null
-    }
-
-    const joinedBreadCrumps = breadCrumps.reduce((prev, current) =>
-      prev.concat([<span key={key += 1}> / </span>]).concat(current)
-    )
-
-    return <span style={{ lineHeight: '2.2em' }}>{joinedBreadCrumps}</span>
-  }
-}
-
-const mapDispatchToProps = (dispatch: any) => {
-  return {
-    actions: bindActionCreators(treeActions, dispatch),
-  }
-}
-
-export default connect(null, mapDispatchToProps)(withStyles(styles, { withTheme: true })(Topic))
@@ -0,0 +1,37 @@
+import * as q from '../../../../../backend/src/Model'
+import CustomIconButton from '../../helper/CustomIconButton'
+import Delete from '@material-ui/icons/Delete'
+import React, { useCallback } from 'react'
+import { Badge } from '@material-ui/core'
+
+export const RecursiveTopicDeleteButton = (props: {
+  node?: q.TreeNode<any>
+  deleteTopicAction: (node: q.TreeNode<any>, a: boolean, limit: number) => void
+}) => {
+  const onClick = useCallback(
+    (event: React.MouseEvent) => {
+      if (props.node) {
+        event.stopPropagation()
+        event.preventDefault()
+        props.deleteTopicAction(props.node, true, Infinity)
+      }
+    },
+    [props.node]
+  )
+
+  if (!props.node) {
+    return null
+  }
+
+  const topicCount = props.node ? props.node.childTopicCount() : 0
+  if (topicCount === 0 || (props.node.message && topicCount === 1)) {
+    return null
+  }
+  return (
+    <Badge badgeContent={<span style={{ whiteSpace: 'nowrap' }}>{topicCount}</span>} color="secondary">
+      <CustomIconButton onClick={onClick} tooltip={`Deletes ${topicCount} sub-topics with a single click`}>
+        <Delete color="action" />
+      </CustomIconButton>
+    </Badge>
+  )
+}
@@ -0,0 +1,72 @@
+import React from 'react'
+import * as q from '../../../../../backend/src/Model'
+import Button from '@material-ui/core/Button'
+import { withStyles, Theme } from '@material-ui/core/styles'
+import { treeActions } from '../../../actions'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+import { TopicViewModel } from '../../../model/TopicViewModel'
+
+interface Props {
+  classes: any
+  theme: Theme
+  node?: q.TreeNode<TopicViewModel>
+  selected?: q.TreeNode<TopicViewModel>
+  actions: typeof treeActions
+}
+
+const styles = (theme: Theme) => ({
+  button: {
+    textTransform: 'none' as 'none',
+    padding: '3px 5px 3px 5px',
+    minWidth: '30px',
+  },
+})
+
+class Topic extends React.PureComponent<Props, {}> {
+  public render() {
+    const { node, theme } = this.props
+    if (!node) {
+      return null
+    }
+
+    let key = 0
+    const breadCrumps = node
+      .branch()
+      .map(node => node.sourceEdge)
+      .filter(edge => Boolean(edge))
+      .map(edge => [
+        <Button
+          onClick={() => this.props.actions.selectTopic(edge!.target)}
+          size="small"
+          variant={theme.palette.type === 'light' ? 'contained' : undefined}
+          color={theme.palette.type === 'light' ? 'primary' : 'secondary'}
+          className={this.props.classes.button}
+          key={edge!.hash()}
+        >
+          {edge!.name || <span dangerouslySetInnerHTML={{ __html: '&nbsp;' }} />}
+        </Button>,
+      ])
+
+    if (breadCrumps.length === 0) {
+      return null
+    }
+
+    const joinedBreadCrumps = breadCrumps.reduce((prev, current) =>
+      prev.concat([<span key={(key += 1)}> / </span>]).concat(current)
+    )
+
+    return <span style={{ lineHeight: '2.2em' }}>{joinedBreadCrumps}</span>
+  }
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: bindActionCreators(treeActions, dispatch),
+  }
+}
+
+export default connect(
+  null,
+  mapDispatchToProps
+)(withStyles(styles, { withTheme: true })(Topic))
@@ -0,0 +1,19 @@
+import * as q from '../../../../../backend/src/Model'
+import CustomIconButton from '../../helper/CustomIconButton'
+import Delete from '@material-ui/icons/Delete'
+import React from 'react'
+
+export const TopicDeleteButton = (props: {
+  node?: q.TreeNode<any>
+  deleteTopicAction: (node: q.TreeNode<any>) => void
+}) => {
+  const { node } = props
+  if (!node || !node.message || !node.message.value) {
+    return null
+  }
+  return (
+    <CustomIconButton onClick={() => props.deleteTopicAction(node)} tooltip="Clear this topic">
+      <Delete />
+    </CustomIconButton>
+  )
+}
@@ -0,0 +1,49 @@
+import * as q from '../../../../../backend/src/Model'
+import Copy from '../../helper/Copy'
+import Panel from '../Panel'
+import React, { useMemo, useCallback } from 'react'
+import Topic from './Topic'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+import { RecursiveTopicDeleteButton } from './RecursiveTopicDeleteButton'
+import { sidebarActions } from '../../../actions'
+import { TopicDeleteButton } from './TopicDeleteButton'
+
+const TopicPanel = (props: { node?: q.TreeNode<any>; actions: typeof sidebarActions }) => {
+  const { node } = props
+  console.log(node && node.path())
+  const copyTopic = node ? <Copy value={node.path()} /> : null
+
+  const deleteTopic = useCallback((topic?: q.TreeNode<any>, recursive: boolean = false) => {
+    if (!topic) {
+      return
+    }
+
+    props.actions.clearTopic(topic, recursive)
+  }, [])
+
+  return useMemo(
+    () => (
+      <Panel disabled={!Boolean(node)}>
+        <span>
+          Topic {copyTopic}
+          <TopicDeleteButton node={node} deleteTopicAction={deleteTopic} />
+          <RecursiveTopicDeleteButton node={node} deleteTopicAction={deleteTopic} />
+        </span>
+        <Topic node={node} />
+      </Panel>
+    ),
+    [node, node && node.childTopicCount()]
+  )
+}
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: bindActionCreators(sidebarActions, dispatch),
+  }
+}
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(TopicPanel)
@@ -0,0 +1,79 @@
+import React, { useCallback } from 'react'
+import Code from '@material-ui/icons/Code'
+import Reorder from '@material-ui/icons/Reorder'
+import ToggleButton from '@material-ui/lab/ToggleButton'
+import ToggleButtonGroup from '@material-ui/lab/ToggleButtonGroup'
+import { settingsActions } from '../../../actions'
+import { Tooltip, withStyles, Theme } from '@material-ui/core'
+import { bindActionCreators } from 'redux'
+import { AppState } from '../../../reducers'
+import { connect } from 'react-redux'
+import { ValueRendererDisplayMode } from '../../../reducers/Settings'
+
+function ActionButtons(props: {
+  actions: { settings: typeof settingsActions }
+  valueRendererDisplayMode: ValueRendererDisplayMode
+  classes: any
+}) {
+  const handleValue = useCallback(
+    (mouseEvent: React.MouseEvent, value: any) => {
+      if (value === null) {
+        return
+      }
+      props.actions.settings.setValueDisplayMode(value)
+    },
+    [props.actions.settings.setValueDisplayMode]
+  )
+
+  return (
+    <ToggleButtonGroup
+      id="valueRendererDisplayMode"
+      value={props.valueRendererDisplayMode}
+      exclusive={true}
+      onChange={handleValue}
+    >
+      <ToggleButton className={props.classes.toggleButton} value="diff" id="valueRendererDisplayMode-diff">
+        <Tooltip title="Show difference between the current and the last message">
+          <span>
+            <Code className={props.classes.toggleButtonIcon} />
+          </span>
+        </Tooltip>
+      </ToggleButton>
+      <ToggleButton className={props.classes.toggleButton} value="raw" id="valueRendererDisplayMode-raw">
+        <Tooltip title="Raw / formatted JSON">
+          <span>
+            <Reorder className={props.classes.toggleButtonIcon} />
+          </span>
+        </Tooltip>
+      </ToggleButton>
+    </ToggleButtonGroup>
+  )
+}
+
+const styles = (theme: Theme) => ({
+  toggleButton: {
+    height: '36px',
+  },
+  toggleButtonIcon: {
+    verticalAlign: 'middle',
+  },
+})
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: {
+      settings: bindActionCreators(settingsActions, dispatch),
+    },
+  }
+}
+
+const mapStateToProps = (state: AppState) => {
+  return {
+    valueRendererDisplayMode: state.settings.get('valueRendererDisplayMode'),
+  }
+}
+
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(withStyles(styles)(ActionButtons))
@@ -0,0 +1,39 @@
+import Clear from '@material-ui/icons/Clear'
+import React, { useMemo } from 'react'
+import { bindActionCreators } from 'redux'
+import { Button, Tooltip } from '@material-ui/core'
+import { connect } from 'react-redux'
+import { sidebarActions } from '../../../actions'
+
+const DeleteSelectedTopicButton = (props: {
+  actions: {
+    sidebar: typeof sidebarActions
+  }
+}) =>
+  useMemo(
+    () => (
+      <Tooltip title="Delete retained topic" placement="top">
+        <Button
+          size="small"
+          color="secondary"
+          variant="contained"
+          style={{ marginTop: '11px', padding: '0px 4px', minHeight: '24px' }}
+          onClick={props.actions.sidebar.clearRetainedTopic}
+        >
+          retained <Clear style={{ fontSize: '16px', marginLeft: '2px' }} />
+        </Button>
+      </Tooltip>
+    ),
+    [props.actions.sidebar.clearRetainedTopic]
+  )
+
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: { sidebar: bindActionCreators(sidebarActions, dispatch) },
+  }
+}
+
+export default connect(
+  undefined,
+  mapDispatchToProps
+)(DeleteSelectedTopicButton)
@@ -1,13 +1,17 @@
 import * as q from '../../../../../backend/src/Model'
 import * as React from 'react'
-import BarChart from '@material-ui/icons/BarChart'
+import ShowChart from '@material-ui/icons/ShowChart'
 import Copy from '../../helper/Copy'
 import DateFormatter from '../../helper/DateFormatter'
 import History from '../HistoryDrawer'
+import TopicPlot from '../../TopicPlot'
 import { Base64Message } from '../../../../../backend/src/Model/Base64Message'
+import { isPlottable } from '../CodeDiff/util'
 import { TopicViewModel } from '../../../model/TopicViewModel'
-
-const PlotHistory = React.lazy(() => import('./PlotHistory'))
+import { bindActionCreators } from 'redux'
+import { chartActions } from '../../../actions'
+import { connect } from 'react-redux'
+import CustomIconButton from '../../helper/CustomIconButton'

 const throttle = require('lodash.throttle')

@@ -15,21 +19,37 @@ interface Props {
  node?: q.TreeNode<TopicViewModel>
  selected?: q.Message
  onSelect: (message: q.Message) => void
+  actions: {
+    charts: typeof chartActions
+  }
 }

 interface State {
-  displayMessage?: q.Message,
+  displayMessage?: q.Message
  anchorEl?: HTMLElement
+  lastUpdate: number
 }

-class MessageHistory extends React.Component<Props, State> {
+class MessageHistory extends React.PureComponent<Props, State> {
  private updateNode = throttle(() => {
-    this.setState(this.state)
+    this.setState({ lastUpdate: Date.now() })
  }, 300)

  constructor(props: any) {
    super(props)
-    this.state = {}
+    this.state = { lastUpdate: 0 }
+  }
+
+  private addNodeToCharts = (event: React.MouseEvent) => {
+    event.preventDefault()
+    event.stopPropagation()
+
+    const { node } = this.props
+    if (!node) {
+      return null
+    }
+
+    this.props.actions.charts.addChart({ topic: node.path() })
  }

  private displayMessage = (index: number, eventTarget: EventTarget) => {
@@ -60,49 +80,66 @@ class MessageHistory extends React.Component<Props, State> {

    const history = node.messageHistory.toArray()
    let previousMessage: q.Message | undefined = node.message
-    const historyElements = history.reverse().map((message, idx) => {
+    const historyElements = [...history].reverse().map((message, idx) => {
      const value = message.value ? Base64Message.toUnicodeString(message.value) : ''
      const element = {
        value,
        key: `${message.messageNumber}-${message.received}`,
-        title: (<span>
-          <DateFormatter date={message.received} />
-          {previousMessage ? <i>(-<DateFormatter date={message.received} intervalSince={previousMessage.received} />)</i> : null}
-          <div style={{ float: 'right' }}><Copy value={value} /></div>
-        </span>),
+        title: (
+          <span>
+            <DateFormatter date={message.received} />
+            {previousMessage && previousMessage !== message ? (
+              <i>
+                (-
+                <DateFormatter date={message.received} intervalSince={previousMessage.received} />)
+              </i>
+            ) : null}
+            <div style={{ float: 'right' }}>
+              <Copy value={value} />
+            </div>
+          </span>
+        ),
        selected: message && message === this.props.selected,
      }
      previousMessage = message
      return element
    })

-    const numericMessages = history
-      .map((message: q.Message) => {
-        const value = message.value ? parseFloat(Base64Message.toUnicodeString(message.value)) : NaN
-        return { x: message.received.getTime(), y: value  }
-      }).filter(data => !isNaN(data.y))
-    const showPlot = numericMessages.length >= 2
-
+    const isMessagePlottable =
+      node.message && node.message.value && isPlottable(Base64Message.toUnicodeString(node.message.value))
    return (
      <div>
        <History
          items={historyElements}
-          contentTypeIndicator={showPlot ? <BarChart /> : undefined}
+          contentTypeIndicator={
+            isMessagePlottable ? (
+              <CustomIconButton
+                style={{ height: '22px', width: '22px' }}
+                onClick={this.addNodeToCharts}
+                tooltip="Add to chart panel"
+              >
+                <ShowChart style={{ marginTop: '-5px' }} />
+              </CustomIconButton>
+            ) : (
+              undefined
+            )
+          }
          onClick={this.displayMessage}
        >
-          {showPlot ? this.renderPlot(numericMessages) : null}
+          {isMessagePlottable ? <TopicPlot history={node.messageHistory} /> : null}
        </History>
      </div>
    )
  }
+}

-  public renderPlot(data: Array<{x: number, y: number}>) {
-    return (
-      <React.Suspense fallback={<div>Loading...</div>}>
-        <PlotHistory data={data} />
-      </React.Suspense>
-    )
+const mapDispatchToProps = (dispatch: any) => {
+  return {
+    actions: { charts: bindActionCreators(chartActions, dispatch) },
  }
 }

-export default MessageHistory
+export default connect(
+  null,
+  mapDispatchToProps
+)(MessageHistory)
@@ -1,72 +0,0 @@
-import * as q from '../../../../../backend/src/Model'
-import * as React from 'react'
-import DateFormatter from '../../helper/DateFormatter'
-import { default as ReactResizeDetector } from 'react-resize-detector'
-import 'react-vis/dist/style.css'
-import { Base64Message } from '../../../../../backend/src/Model/Base64Message'
-const { XYPlot, LineMarkSeries, Hint, YAxis, HorizontalGridLines } = require('react-vis')
-const abbreviate = require('number-abbreviate')
-
-interface Props {
-  data: Array<{x: number, y: number}>
-}
-
-interface Stats {
-  width: number
-  value?: any
-}
-
-class PlotHistory extends React.Component<Props, Stats> {
-  constructor(props: Props) {
-    super(props)
-    this.state = { width: 300 }
-  }
-
-  private resize = (width: number, height: number) => {
-    this.setState({ width: width - 12 })
-  }
-
-  private hintFormatter = (point: any) => {
-    return [
-      { title: <b>Time</b>, value: <DateFormatter date={new Date(point.x)} /> },
-      { title: <b>Value</b>, value: point.y },
-    ]
-  }
-
-  private _forgetValue = () => {
-    this.setState({
-      value: undefined,
-    })
-  }
-
-  private _rememberValue = (value: any) => {
-    this.setState({ value })
-  }
-
-  public render() {
-    const data = this.props.data
-
-    return (
-      <div>
-        <XYPlot width={this.state.width} height={150}>
-          <HorizontalGridLines />
-          <YAxis
-            width={45}
-            tickFormat={(num: number) => abbreviate(num)}
-          />
-          <LineMarkSeries
-            onValueMouseOver={this._rememberValue}
-            onValueMouseOut={this._forgetValue}
-            size={3}
-            data={data}
-            curve={data.length < 50 ? 'curveCardinal' : undefined}
-          />
-          {this.state.value ? <Hint format={this.hintFormatter} value={this.state.value} /> : null}
-        </XYPlot>
-        <ReactResizeDetector handleWidth={true} onResize={this.resize} />
-      </div>
-    )
-  }
-}
-
-export default PlotHistory
@@ -1,202 +1,130 @@
 import * as q from '../../../../../backend/src/Model'
-import * as React from 'react'
-import Clear from '@material-ui/icons/Clear'
-import Code from '@material-ui/icons/Code'
+import ActionButtons from './ActionButtons'
 import Copy from '../../helper/Copy'
 import DateFormatter from '../../helper/DateFormatter'
-import ExpandMore from '@material-ui/icons/ExpandMore'
 import MessageHistory from './MessageHistory'
-import Reorder from '@material-ui/icons/Reorder'
-import ToggleButton from '@material-ui/lab/ToggleButton'
-import ToggleButtonGroup from '@material-ui/lab/ToggleButtonGroup'
+import Panel from '../Panel'
+import React, { useCallback } from 'react'
 import ValueRenderer from './ValueRenderer'
 import { AppState } from '../../../reducers'
 import { Base64Message } from '../../../../../backend/src/Model/Base64Message'
 import { bindActionCreators } from 'redux'
+import { Theme, Typography, withStyles } from '@material-ui/core'
 import { connect } from 'react-redux'
-import { settingsActions, sidebarActions } from '../../../actions'
-import { ValueRendererDisplayMode } from '../../../reducers/Settings'
-
-import {
-  Button,
-  ExpansionPanel,
-  ExpansionPanelDetails,
-  ExpansionPanelSummary,
-  Tooltip,
-  Typography,
-  StyleRulesCallback,
-  withStyles,
-  Theme,
-} from '@material-ui/core'
+import { sidebarActions } from '../../../actions'
+import DeleteSelectedTopicButton from './DeleteSelectedTopicButton'

 interface Props {
  node?: q.TreeNode<any>
-  valueRendererDisplayMode: ValueRendererDisplayMode
  sidebarActions: typeof sidebarActions
-  settingsActions: typeof settingsActions
  classes: any
  lastUpdate: number
  compareMessage?: q.Message
 }

-interface State {}
+function RenderedValue(props: { node?: q.TreeNode<any>; compareMessage?: q.Message }) {
+  const { node, compareMessage } = props

-class ValuePanel extends React.Component<Props, State> {
-  constructor(props: Props) {
-    super(props)
-    this.state = { }
+  if (!node || !node.message) {
+    return null
  }

-  private renderValue() {
-    const node = this.props.node
-    if (!node || !node.message) {
+  return <ValueRenderer treeNode={node} message={node.message} compareWith={compareMessage} />
+}
+
+function ValuePanel(props: Props) {
+  const { node, compareMessage } = props
+
+  function renderViewOptions() {
+    if (!props.node || !props.node.message || !props.node.mqttMessage) {
      return null
    }

    return (
-      <ValueRenderer
-        message={node.message}
-        messageHistory={node.messageHistory}
-        compareWith={this.props.compareMessage}
-      />
-    )
-  }
-
-  private renderViewOptions() {
-    if (!this.props.node || !this.props.node.message || !this.props.node.mqttMessage) {
-      return null
-    }
-
-    const retainedButton = (
-      <Tooltip title="Delete retained topic" placement="top">
-        <Button
-          size="small"
-          color="secondary"
-          variant="contained"
-          style={{ marginTop: '11px', padding: '0px 4px', minHeight: '24px' }}
-          onClick={this.props.sidebarActions.clearRetainedTopic}
-        >
-          retained <Clear style={{ fontSize: '16px', marginLeft: '2px' }} />
-        </Button>
-      </Tooltip>
-    )
-
-    return (
-      <div style={{ width: '100%', display: 'flex', paddingLeft: '8px' }}>
-        <span style={{ marginTop: '2px', flexGrow: 1 }}>{this.renderActionButtons()}</span>
-        <div style={{ flex: 6, textAlign: 'right' }}>
-          {this.props.node.mqttMessage.retain ? retainedButton : null}
-        </div>
-        {this.messageMetaInfo()}
+      <div style={{ width: '100%', display: 'flex', flexWrap: 'wrap' }}>
+        <span style={{ marginTop: '2px', flexGrow: 1 }}>
+          <ActionButtons />
+        </span>
+        <span style={{ flex: 6, textAlign: 'right' }}>
+          {props.node.mqttMessage.retain ? <DeleteSelectedTopicButton /> : null}
+        </span>
+        {messageMetaInfo()}
      </div>
    )
  }

-  private messageMetaInfo() {
-    if (!this.props.node || !this.props.node.message || !this.props.node.mqttMessage) {
+  function messageMetaInfo() {
+    if (!props.node || !props.node.message || !props.node.mqttMessage) {
      return null
    }

    return (
      <span style={{ width: '100%', paddingLeft: '8px', flex: 6 }}>
-        <Typography style={{ textAlign: 'right' }}>QoS: {this.props.node.mqttMessage.qos}</Typography>
-        <Typography style={{ textAlign: 'right' }}><i><DateFormatter date={this.props.node.message.received} /></i></Typography>
+        <Typography style={{ textAlign: 'right' }}>QoS: {props.node.mqttMessage.qos}</Typography>
+        <Typography style={{ textAlign: 'right' }}>
+          <i>
+            <DateFormatter date={props.node.message.received} />
+          </i>
+        </Typography>
      </span>
    )
  }

-  private renderActionButtons() {
-    const handleValue = (mouseEvent: React.MouseEvent, value: any) => {
-      if (value === null) {
-        return
+  const handleMessageHistorySelect = useCallback(
+    (message: q.Message) => {
+      if (message !== compareMessage) {
+        props.sidebarActions.setCompareMessage(message)
+      } else {
+        props.sidebarActions.setCompareMessage(undefined)
      }
-      this.props.settingsActions.setValueDisplayMode(value)
-    }
+    },
+    [compareMessage]
+  )

-    return (
-      <ToggleButtonGroup id="valueRendererDisplayMode" value={this.props.valueRendererDisplayMode} exclusive={true} onChange={handleValue}>
-        <ToggleButton className={this.props.classes.toggleButton} value="diff" id="valueRendererDisplayMode-diff">
-          <Tooltip title="Show difference between the current and the last message">
-            <span><Code className={this.props.classes.toggleButtonIcon} /></span>
-          </Tooltip>
-        </ToggleButton>
-        <ToggleButton className={this.props.classes.toggleButton} value="raw" id="valueRendererDisplayMode-raw">
-          <Tooltip title="Raw value">
-            <span><Reorder className={this.props.classes.toggleButtonIcon} /></span>
-          </Tooltip>
-        </ToggleButton>
-      </ToggleButtonGroup>
-    )
-  }
+  const copyValue =
+    node && node.message && node.message.value ? (
+      <Copy value={Base64Message.toUnicodeString(node.message.value)} />
+    ) : null

-  private panelStyle() {
-    return {
-      detailsStyle: { padding: '0px 16px 8px 8px', display: 'block' },
-      summaryStyle: { minHeight: '0' },
-    }
-  }
-
-  private handleMessageHistorySelect = (message: q.Message) => {
-    if (message !== this.props.compareMessage) {
-      this.props.sidebarActions.setCompareMessage(message)
-    } else {
-      this.props.sidebarActions.setCompareMessage(undefined)
-    }
-  }
-
-  public render() {
-    const { node, classes } = this.props
-    const { detailsStyle, summaryStyle } = this.panelStyle()
-
-    const copyValue = (node && node.message && node.message.value) ? <Copy value={Base64Message.toUnicodeString(node.message.value)} /> : null
-
-    return (
-      <ExpansionPanel key="value" defaultExpanded={true}>
-        <ExpansionPanelSummary expandIcon={<ExpandMore />} style={summaryStyle}>
-          <Typography className={classes.heading}>Value {copyValue}</Typography>
-        </ExpansionPanelSummary>
-        <ExpansionPanelDetails style={detailsStyle}>
-          {this.renderViewOptions()}
-          <div>
-            <React.Suspense fallback={<div>Loading...</div>}>
-              {this.renderValue()}
-            </React.Suspense>
-          </div>
-          <div><MessageHistory onSelect={this.handleMessageHistorySelect} selected={this.props.compareMessage} node={this.props.node} /></div>
-        </ExpansionPanelDetails>
-      </ExpansionPanel>
-    )
-  }
+  return (
+    <Panel>
+      <span>Value {copyValue}</span>
+      <span style={{ width: '100%' }}>
+        {renderViewOptions()}
+        <div style={{ marginBottom: '-8px', marginTop: '8px' }}>
+          <React.Suspense fallback={<div>Loading...</div>}>
+            <RenderedValue node={node} compareMessage={compareMessage} />
+          </React.Suspense>
+        </div>
+        <div>
+          <MessageHistory onSelect={handleMessageHistorySelect} selected={props.compareMessage} node={props.node} />
+        </div>
+      </span>
+    </Panel>
+  )
 }

 const mapDispatchToProps = (dispatch: any) => {
  return {
    sidebarActions: bindActionCreators(sidebarActions, dispatch),
-    settingsActions: bindActionCreators(settingsActions, dispatch),
  }
 }

 const mapStateToProps = (state: AppState) => {
  return {
-    valueRendererDisplayMode: state.settings.get('valueRendererDisplayMode'),
    node: state.tree.get('selectedTopic'),
    compareMessage: state.sidebar.get('compareMessage'),
  }
 }

-const styles: StyleRulesCallback<string> = (theme: Theme) => {
-  return {
-    heading: {
-      fontSize: theme.typography.pxToRem(15),
-      fontWeight: theme.typography.fontWeightRegular,
-    },
-    toggleButton: {
-      height: '36px',
-    },
-    toggleButtonIcon: {
-      verticalAlign: 'middle',
-    },
-  }
-}
+const styles = (theme: Theme) => ({
+  heading: {
+    fontSize: theme.typography.pxToRem(15),
+    fontWeight: theme.typography.fontWeightRegular,
+  },
+})

-export default connect(mapStateToProps, mapDispatchToProps)(withStyles(styles)(ValuePanel))
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps
+)(withStyles(styles)(ValuePanel))
@@ -6,10 +6,11 @@ import { Base64Message } from '../../../../../backend/src/Model/Base64Message'
 import { connect } from 'react-redux'
 import { default as ReactResizeDetector } from 'react-resize-detector'
 import { ValueRendererDisplayMode } from '../../../reducers/Settings'
+import { Typography, Fade, Grow } from '@material-ui/core'

 interface Props {
  message: q.Message
-  messageHistory: q.RingBuffer<q.Message>
+  treeNode: q.TreeNode<any>
  compareWith?: q.Message
  renderMode: ValueRendererDisplayMode
 }
@@ -24,17 +25,34 @@ class ValueRenderer extends React.Component<Props, State> {
    this.state = { width: 0 }
  }

-  private renderDiff(current: string = '', previous: string = '', language?: 'json') {
+  private renderDiff(current: string = '', previous: string = '', title?: string, language?: 'json') {
    return (
      <CodeDiff
+        treeNode={this.props.treeNode}
        previous={previous}
        current={current}
+        title={title}
        language={language}
        nameOfCompareMessage={this.props.compareWith ? 'selected' : 'previous'}
      />
    )
  }

+  private convertMessage(msg?: Base64Message): [string | undefined, 'json' | undefined] {
+    if (!msg) {
+      return [undefined, undefined]
+    }
+
+    const str = Base64Message.toUnicodeString(msg)
+    try {
+      JSON.parse(str)
+    } catch (error) {
+      return [str, undefined]
+    }
+
+    return [this.messageToPrettyJson(str), 'json']
+  }
+
  private messageToPrettyJson(str: string): string | undefined {
    try {
      const json = JSON.parse(str)
@@ -44,62 +62,50 @@ class ValueRenderer extends React.Component<Props, State> {
    }
  }

-  private updateWidth = (width: number) => {
-    if (width !== this.state.width) {
-      this.setState({ width })
+  private renderRawMode(message: q.Message, compare?: q.Message) {
+    if (!message.value) {
+      return
    }
-  }
+    const [value, valueLanguage] = this.convertMessage(message.value)
+    const [compareStr, compareStrLanguage] =
+      compare && compare.value ? this.convertMessage(compare.value) : [undefined, undefined]

-  private renderRawValue(value: string, compare: string) {
-    return this.renderDiff(value, compare)
-  }
-
-  public render() {
    return (
-      <div style={{ padding: '0px 0px 8px 8px' }}>
-        <ReactResizeDetector handleWidth={true} onResize={this.updateWidth} />
-        {this.renderValue()}
+      <div>
+        {this.renderDiff(value, value, undefined, valueLanguage)}
+        <Fade in={Boolean(compareStr)} timeout={400}>
+          <div>
+            {Boolean(compareStr) ? this.renderDiff(compareStr, compareStr, 'selected', compareStrLanguage) : null}
+          </div>
+        </Fade>
      </div>
    )
  }

-  public renderValue() {
-    const { message, messageHistory, compareWith, renderMode } = this.props
+  public render() {
+    return <div style={{ padding: '0px 0px 8px 0px', width: '100%' }}>{this.renderValue()}</div>
+  }

-    const previousMessages = messageHistory.toArray()
+  public renderValue() {
+    const { message, treeNode, compareWith, renderMode } = this.props
+    const previousMessages = treeNode.messageHistory.toArray()
    const previousMessage = previousMessages[previousMessages.length - 2]
-    let compareMessage = compareWith || previousMessage || message
+    const compareMessage = compareWith || previousMessage || message
+
    if (renderMode === 'raw') {
-      compareMessage = message
+      return this.renderRawMode(message, compareWith)
    }
    if (!message.value) {
      return null
    }

    const compareValue = compareMessage.value || message.value
-    const str = Base64Message.toUnicodeString(message.value)
-    const compareStr = Base64Message.toUnicodeString(compareValue)
+    const [current, currentLanguage] = this.convertMessage(message.value)
+    const [compare, compareLanguage] = this.convertMessage(compareValue)

-    let json
-    try {
-      json = JSON.parse(str)
-    } catch (error) {
-      return this.renderRawValue(str, compareStr)
-    }
+    const language = currentLanguage === compareLanguage && compareLanguage === 'json' ? 'json' : undefined

-    if (typeof json === 'string') {
-      return this.renderRawValue(str, compareStr)
-    } else if (typeof json === 'number') {
-      return this.renderRawValue(str, compareStr)
-    } else if (typeof json === 'boolean') {
-      return this.renderRawValue(str, compareStr)
-    } else {
-      const current = this.messageToPrettyJson(str) || str
-      const compare = this.messageToPrettyJson(compareStr) || compareStr
-      const language = current && compare ? 'json' : undefined
-
-      return this.renderDiff(current, compare, language)
-    }
+    return this.renderDiff(current, compare, undefined, language)
  }
 }

@@ -0,0 +1,73 @@
+import * as dotProp from 'dot-prop'
+import * as q from '../../../backend/src/Model'
+import * as React from 'react'
+import PlotHistory from './Chart/Chart'
+import { Base64Message } from '../../../backend/src/Model/Base64Message'
+import { toPlottableValue } from './Sidebar/CodeDiff/util'
+import { PlotCurveTypes } from '../reducers/Charts'
+const parseDuration = require('parse-duration')
+
+interface Props {
+  history: q.MessageHistory
+  dotPath?: string
+  timeInterval?: string
+  interpolation?: PlotCurveTypes
+  range?: [number?, number?]
+  color?: string
+}
+
+function filterUsingTimeRange(startTime: number | undefined, data: Array<q.Message>) {
+  if (startTime) {
+    const threshold = new Date(Date.now() - startTime)
+    return data.filter(d => d.received >= threshold)
+  }
+
+  return data
+}
+
+function nodeToHistory(startTime: number | undefined, history: q.MessageHistory) {
+  return filterUsingTimeRange(startTime, history.toArray())
+    .map((message: q.Message) => {
+      const value = message.value ? toPlottableValue(Base64Message.toUnicodeString(message.value)) : NaN
+      return { x: message.received.getTime(), y: toPlottableValue(value) }
+    })
+    .filter(data => !isNaN(data.y as any)) as any
+}
+
+function nodeDotPathToHistory(startTime: number | undefined, history: q.MessageHistory, dotPath: string) {
+  return filterUsingTimeRange(startTime, history.toArray())
+    .map((message: q.Message) => {
+      let json = {}
+      try {
+        json = message.value ? JSON.parse(Base64Message.toUnicodeString(message.value)) : {}
+      } catch (ignore) {}
+
+      const value = dotProp.get(json, dotPath)
+
+      return { x: message.received.getTime(), y: toPlottableValue(value) }
+    })
+    .filter(data => !isNaN(data.y as any)) as any
+}
+
+function TopicPlot(props: Props) {
+  const startOffset = props.timeInterval ? parseDuration(props.timeInterval) : undefined
+  const data = React.useMemo(
+    () =>
+      props.dotPath
+        ? nodeDotPathToHistory(startOffset, props.history, props.dotPath)
+        : nodeToHistory(startOffset, props.history),
+    [props.history.last(), startOffset, props.dotPath]
+  )
+
+  return (
+    <PlotHistory
+      timeRangeStart={startOffset}
+      color={props.color}
+      range={props.range}
+      interpolation={props.interpolation}
+      data={data}
+    />
+  )
+}
+
+export default TopicPlot
@@ -1,239 +0,0 @@
-import * as q from '../../../../backend/src/Model'
-import * as React from 'react'
-import TreeNodeSubnodes from './TreeNodeSubnodes'
-import TreeNodeTitle from './TreeNodeTitle'
-import { Record } from 'immutable'
-import { SettingsState } from '../../reducers/Settings'
-import { Theme, withStyles } from '@material-ui/core/styles'
-import { TopicViewModel } from '../../model/TopicViewModel'
-
-const debounce = require('lodash.debounce')
-
-declare var performance: any
-
-const styles = (theme: Theme) => {
-  return {
-    collapsedSubnodes: {
-      color: theme.palette.text.secondary,
-    },
-    displayBlock: {
-      display: 'block',
-    },
-    node: {
-      display: 'block',
-      marginLeft: '10px',
-    },
-    topicSelect: {
-      float: 'right' as 'right',
-      opacity: 0,
-      cursor: 'pointer',
-      marginTop: '-1px',
-    },
-    subnodes: {
-      marginLeft: theme.spacing(1.5),
-    },
-    selected: {
-      backgroundColor: theme.palette.type === 'dark' ? 'rgba(170, 170, 170, 0.55)' : 'rgba(170, 170, 170, 0.55)',
-    },
-    hover: {
-      backgroundColor: theme.palette.type === 'dark' ? 'rgba(100, 100, 100, 0.55)' : 'rgba(200, 200, 200, 0.55)',
-    },
-    title: {
-      borderRadius: '4px',
-      lineHeight: '1em',
-      display: 'inline-block' as 'inline-block',
-      whiteSpace: 'nowrap' as 'nowrap',
-      padding: '1px 4px 0px 4px',
-      height: '14px',
-      margin: '1px 0px 2px 0px',
-    },
-  }
-}
-
-interface Props {
-  isRoot?: boolean
-  treeNode: q.TreeNode<TopicViewModel>
-  name?: string | undefined
-  collapsed?: boolean | undefined
-  performanceCallback?: ((ms: number) => void) | undefined
-  classes: any
-  className?: string
-  lastUpdate: number
-  didSelectTopic: any
-  theme: Theme
-  settings: Record<SettingsState>
-}
-
-interface State {
-  collapsedOverride: boolean | undefined
-  mouseOver: boolean
-  selected: boolean
-}
-
-class TreeNodeComponent extends React.Component<Props, State> {
-  private animationDirty: boolean = false
-
-  private cssAnimationWasSetAt?: number
-
-  private willUpdateTime: number = performance.now()
-  private nodeRef?: React.RefObject<HTMLDivElement> = React.createRef<HTMLDivElement>()
-
-  private setHover = debounce((hover: boolean) => {
-    this.setState({ mouseOver: hover })
-  }, 45)
-
-  constructor(props: Props) {
-    super(props)
-
-    this.state = {
-      collapsedOverride: props.collapsed,
-      mouseOver: false,
-      selected: false,
-    }
-  }
-
-  private addSubscriber(treeNode: q.TreeNode<TopicViewModel>) {
-    treeNode.viewModel = new TopicViewModel()
-    treeNode.viewModel.change.subscribe(this.viewStateHasChanged)
-  }
-
-  private viewStateHasChanged = (msg: void) => {
-    this.props.treeNode.viewModel && this.setState({ selected: this.props.treeNode.viewModel.isSelected() })
-  }
-
-  private removeSubscriber(treeNode: q.TreeNode<TopicViewModel>) {
-    treeNode.viewModel && treeNode.viewModel.change.unsubscribe(this.viewStateHasChanged)
-    treeNode.viewModel = undefined
-  }
-
-  private stateHasChanged(newState: State) {
-    return this.state.collapsedOverride !== newState.collapsedOverride
-      || this.state.mouseOver !== newState.mouseOver
-      || this.state.selected !== newState.selected
-  }
-
-  private toggle() {
-    this.setState({ collapsedOverride: !this.collapsed() })
-  }
-
-  private collapsed() {
-    if (this.state.collapsedOverride !== undefined) {
-      return this.state.collapsedOverride
-    }
-
-    return this.props.treeNode.edgeCount() > this.props.settings.get('autoExpandLimit')
-  }
-
-  private didSelectTopic = () => {
-    this.props.didSelectTopic(this.props.treeNode)
-  }
-
-  private didClickTitle = (event: React.MouseEvent) => {
-    event.preventDefault()
-    this.props.didSelectTopic(this.props.treeNode)
-    this.toggle()
-  }
-
-  private mouseOver = (event: React.MouseEvent) => {
-    event.stopPropagation()
-    this.setHover(true)
-    if (this.props.settings.get('selectTopicWithMouseOver') && this.props.treeNode && this.props.treeNode.message && this.props.treeNode.message.value) {
-      this.props.didSelectTopic(this.props.treeNode)
-    }
-  }
-
-  private mouseOut = (event: React.MouseEvent) => {
-    event.stopPropagation()
-    this.setHover(false)
-  }
-
-  private toggleCollapsed = (event: React.MouseEvent) => {
-    event.stopPropagation()
-    this.toggle()
-  }
-
-  private renderNodes() {
-    if (this.collapsed()) {
-      return null
-    }
-
-    return (
-      <TreeNodeSubnodes
-        collapsed={this.collapsed()}
-        treeNode={this.props.treeNode}
-        lastUpdate={this.props.treeNode.lastUpdate}
-        didSelectTopic={this.props.didSelectTopic}
-        settings={this.props.settings}
-      />
-    )
-  }
-
-  public componentDidMount() {
-    const { treeNode } = this.props
-    this.addSubscriber(treeNode)
-  }
-
-  public componentWillUnmount() {
-    const { treeNode } = this.props
-    this.removeSubscriber(treeNode)
-    this.nodeRef = undefined
-  }
-
-  public shouldComponentUpdate(nextProps: Props, nextState: State) {
-    const shouldRenderToRemoveCssAnimation = this.cssAnimationWasSetAt !== undefined
-    return this.stateHasChanged(nextState)
-      || this.props.settings !== nextProps.settings
-      || (this.props.lastUpdate !== nextProps.lastUpdate)
-      || this.animationDirty
-      || shouldRenderToRemoveCssAnimation
-  }
-
-  public componentDidUpdate() {
-    if (this.props.performanceCallback) {
-      const renderTime = performance.now() - this.willUpdateTime
-      this.props.performanceCallback(renderTime)
-    }
-  }
-
-  public componentWillUpdate() {
-    if (this.props.performanceCallback) {
-      this.willUpdateTime = performance.now()
-    }
-  }
-
-  public render() {
-    const { classes } = this.props
-
-    const shouldStartAnimation = (!this.animationDirty) && !this.props.isRoot && this.props.settings.get('highlightTopicUpdates')
-    const animationName = this.props.theme.palette.type === 'light' ? 'updateLight' : 'updateDark'
-    const animation = shouldStartAnimation ? { willChange: 'auto', translateZ: 0, animation: `${animationName} 0.5s` } : {}
-    this.animationDirty = shouldStartAnimation
-
-    const highlightClass = this.state.selected ? this.props.classes.selected : (this.state.mouseOver ? this.props.classes.hover : '')
-
-    return (
-      <div>
-        <div
-          key={this.props.treeNode.hash()}
-          className={`${classes.node} ${this.props.className} ${highlightClass} ${classes.title}`}
-          style={animation}
-          onMouseOver={this.mouseOver}
-          onMouseOut={this.mouseOut}
-          onClick={this.didClickTitle}
-          ref={this.nodeRef}
-        >
-          <TreeNodeTitle
-            toggleCollapsed={this.toggleCollapsed}
-            didSelectNode={this.didSelectTopic}
-            collapsed={this.collapsed()}
-            treeNode={this.props.treeNode}
-            name={this.props.name}
-          />
-        </div>
-        {this.renderNodes()}
-      </div>
-    )
-  }
-}
-
-export default withStyles(styles, { withTheme: true })(TreeNodeComponent)
@@ -0,0 +1,76 @@
+import * as q from '../../../../../backend/src/Model'
+import React, { useEffect, useState, useMemo } from 'react'
+import TreeNode from '.'
+import { SettingsState } from '../../../reducers/Settings'
+import { sortedNodes } from '../../../sortedNodes'
+import { Theme, withStyles } from '@material-ui/core'
+import { TopicViewModel } from '../../../model/TopicViewModel'
+import { treeActions } from '../../../actions'
+
+export interface Props {
+  treeNode: q.TreeNode<TopicViewModel>
+  filter?: string
+  classes: any
+  lastUpdate: number
+  selectedTopic?: q.TreeNode<TopicViewModel>
+  selectTopicAction: (treeNode: q.TreeNode<any>) => void
+  settings: SettingsState
+  actions: typeof treeActions
+  theme: Theme
+}
+
+function useStagedRendering(treeNode: q.TreeNode<any>) {
+  const [alreadyAdded, setAlreadyAdded] = useState(10)
+  const edges = treeNode.edgeArray
+
+  useEffect(() => {
+    let renderMoreAnimationFrame: any
+
+    if (alreadyAdded < edges.length) {
+      renderMoreAnimationFrame = (window as any).requestIdleCallback(
+        () => {
+          setAlreadyAdded(Math.max(25, alreadyAdded * 1.5))
+        },
+        { timeout: 500 }
+      )
+    }
+
+    return function cleanup() {
+      ;(window as any).cancelIdleCallback(renderMoreAnimationFrame)
+    }
+  }, [alreadyAdded, edges.length])
+
+  return alreadyAdded
+}
+
+function TreeNodeSubnodes(props: Props) {
+  const alreadyAdded = useStagedRendering(props.treeNode)
+
+  return useMemo(() => {
+    const nodes = sortedNodes(props.settings, props.treeNode).slice(0, alreadyAdded)
+    const listItems = nodes.map(node => {
+      return (
+        <TreeNode
+          key={`${node.hash()}-${props.filter}`}
+          treeNode={node}
+          lastUpdate={node.lastUpdate}
+          selectTopicAction={props.selectTopicAction}
+          settings={props.settings}
+          actions={props.actions}
+        />
+      )
+    })
+
+    return <span className={props.classes.list}>{listItems}</span>
+  }, [alreadyAdded, props.treeNode.lastUpdate, props.theme, props.settings])
+}
+
+const styles = (theme: Theme) => ({
+  list: {
+    display: 'block' as 'block',
+    clear: 'both' as 'both',
+    marginLeft: theme.spacing(1.5),
+  },
+})
+
+export default withStyles(styles, { withTheme: true })(TreeNodeSubnodes)
@@ -0,0 +1,103 @@
+import * as q from '../../../../../backend/src/Model'
+import React, { memo } from 'react'
+import { Base64Message } from '../../../../../backend/src/Model/Base64Message'
+import { Theme, withStyles } from '@material-ui/core'
+import { TopicViewModel } from '../../../model/TopicViewModel'
+
+export interface TreeNodeProps extends React.HTMLAttributes<HTMLElement> {
+  treeNode: q.TreeNode<TopicViewModel>
+  lastUpdate: number
+  name?: string | undefined
+  collapsed?: boolean | undefined
+  didSelectNode: any
+  toggleCollapsed: any
+  classes: any
+}
+
+class TreeNodeTitle extends React.PureComponent<TreeNodeProps, {}> {
+  private renderSourceEdge() {
+    const name = this.props.name || (this.props.treeNode.sourceEdge && this.props.treeNode.sourceEdge.name)
+
+    return (
+      <span key="edge" className={this.props.classes.sourceEdge}>
+        {name}
+      </span>
+    )
+  }
+
+  private truncatedMessage() {
+    const limit = 400
+    if (!this.props.treeNode.message || !this.props.treeNode.message.value) {
+      return ''
+    }
+
+    const str = Base64Message.toUnicodeString(this.props.treeNode.message.value)
+    return str.length > limit ? `${str.slice(0, limit)}…` : str
+  }
+
+  private renderValue() {
+    return this.props.treeNode.message &&
+      this.props.treeNode.message.value &&
+      this.props.treeNode.message.length > 0 ? (
+      <span key="value" className={this.props.classes.value}>
+        {' '}
+        = {this.truncatedMessage()}
+      </span>
+    ) : null
+  }
+
+  private renderExpander() {
+    if (this.props.treeNode.edgeCount() === 0) {
+      return null
+    }
+
+    return (
+      <span key="expander" className={this.props.classes.expander} onClick={this.props.toggleCollapsed}>
+        {this.props.collapsed ? '▶' : '▼'}
+      </span>
+    )
+  }
+
+  private renderMetadata() {
+    if (this.props.treeNode.edgeCount() === 0 || !this.props.collapsed) {
+      return null
+    }
+
+    const messages = this.props.treeNode.leafMessageCount()
+    const topicCount = this.props.treeNode.childTopicCount()
+    return (
+      <span key="metadata" className={this.props.classes.collapsedSubnodes}>{` (${topicCount} ${
+        topicCount === 1 ? 'topic' : 'topics'
+      }, ${messages} ${messages === 1 ? 'message' : 'messages'})`}</span>
+    )
+  }
+
+  public render() {
+    return [this.renderExpander(), this.renderSourceEdge(), this.renderMetadata(), this.renderValue()]
+  }
+}
+
+const styles = (theme: Theme) => ({
+  value: {
+    whiteSpace: 'nowrap' as 'nowrap',
+    overflow: 'hidden' as 'hidden',
+    textOverflow: 'ellipsis' as 'ellipsis',
+    padding: '0',
+  },
+  sourceEdge: {
+    fontWeight: 'bold' as 'bold',
+    overflow: 'hidden' as 'hidden',
+  },
+  expander: {
+    color: theme.palette.type === 'light' ? '#222' : '#eee',
+    cursor: 'pointer' as 'pointer',
+    paddingRight: theme.spacing(0.25),
+    userSelect: 'none' as 'none',
+  },
+  collapsedSubnodes: {
+    color: theme.palette.text.secondary,
+    userSelect: 'none' as 'none',
+  },
+})
+
+export default withStyles(styles)(memo(TreeNodeTitle))
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Thomas Nordquist	679e319912	Add bad examples	2019-10-10 10:42:09 +02:00
Thomas Nordquist	c7ea6790c8	Update electron-builder	2019-07-23 01:07:50 +02:00
Thomas Nordquist	779f1e9769	Prepare pre-release	2019-07-23 00:52:59 +02:00
Thomas Nordquist	f690b3f5a7	Add recusrive delete warning	2019-07-23 00:51:26 +02:00
Thomas Nordquist	39d87d5a8e	Remove recursive topic removal limit	2019-07-23 00:36:15 +02:00
Thomas Nordquist	6781170b85	Fix crash reporter url	2019-07-20 15:51:41 +02:00
Thomas Nordquist	7829a27c69	Bump version to v0.3.5	2019-07-18 00:06:35 +02:00
Thomas Nordquist	285001d184	Bump version	2019-07-17 23:33:41 +02:00
Thomas Nordquist	d5a4d1e4d3	Fix dialog button margin	2019-07-17 23:32:52 +02:00
Thomas Nordquist	c59c64b65f	Fix typing	2019-07-17 20:07:25 +02:00
Thomas Nordquist	5badd19015	Add syntax highlighting to raw / json values	2019-07-17 19:49:10 +02:00
Thomas Nordquist	a7eacfac46	Upgrade electron	2019-07-17 19:14:00 +02:00
Thomas Nordquist	20dae2ea2b	Fix false dev dependency	2019-07-17 19:07:33 +02:00
Thomas Nordquist	dc50fd40a3	Upgrade electron-updater	2019-07-17 17:46:48 +02:00
Thomas Nordquist	3df4d18a71	Update OSX image	2019-07-17 17:45:57 +02:00
Thomas Nordquist	3aeee31193	Update electron-builder	2019-07-17 17:44:51 +02:00
Thomas Nordquist	af4cfec451	Auto-open publish history drawer	2019-07-17 17:25:12 +02:00
Thomas Nordquist	ae915a158b	Add memoization	2019-07-17 16:44:37 +02:00
Thomas Nordquist	eac522fe63	Improve publish button layout	2019-07-17 16:35:47 +02:00
Thomas Nordquist	a2bdf71422	Fix syntax error	2019-07-17 15:58:21 +02:00
Thomas Nordquist	f2d632959b	Fix broker statistic updates	2019-07-17 15:56:38 +02:00
Thomas Nordquist	b33412504d	Unset CSC_LINK for windows builds	2019-07-17 15:44:41 +02:00
dependabot[bot]	c458f6c64d	Bump lodash from 4.17.11 to 4.17.14 in /app (#158 ) Bumps [lodash](https://github.com/lodash/lodash) from 4.17.11 to 4.17.14. - [Release notes](https://github.com/lodash/lodash/releases) - [Commits](https://github.com/lodash/lodash/compare/4.17.11...4.17.14) Signed-off-by: dependabot[bot] <support@github.com>	2019-07-17 15:20:51 +02:00
Thomas Nordquist	d6489563b2	Increase max title length	2019-07-17 15:20:16 +02:00
Thomas Nordquist	d651fc7a6c	Refactor value renderer	2019-07-17 15:18:27 +02:00
Thomas Nordquist	c86659f61c	Fix case-sensitivity error	2019-07-17 14:29:34 +02:00
Thomas Nordquist	8959bbdee7	Always show chart button in history	2019-07-17 14:14:04 +02:00
Thomas Nordquist	9a8474e3d8	Make previous messages more accessible	2019-07-17 14:02:08 +02:00
Thomas Nordquist	c5e0e652f3	Improve demo video	2019-07-17 13:33:34 +02:00
Thomas Nordquist	f047f97e44	Fix tests	2019-07-17 13:25:44 +02:00
Thomas Nordquist	cda8e928ef	Bump version to v0.3.3	2019-07-17 13:19:15 +02:00
Thomas Nordquist	ccbea4acc5	Fix test	2019-07-17 13:17:41 +02:00
Thomas Nordquist	8ae1528064	Add clear chart button and improve chart menu look&feel	2019-07-17 12:59:25 +02:00
Thomas Nordquist	1c52aced63	Fix button layout	2019-07-17 11:16:03 +02:00
Thomas Nordquist	72020b02b8	Update sidebar when topic is deleted	2019-07-17 10:05:05 +02:00
Thomas Nordquist	aa340b2158	Fix topic deletion child topic count	2019-07-17 10:04:20 +02:00
Thomas Nordquist	faf909654b	Update electron	2019-07-17 09:21:13 +02:00
Thomas Nordquist	33f3458e38	Fix treeNode enhancer	2019-07-17 09:18:06 +02:00
Thomas Nordquist	3737410563	Refactor TreeNode model	2019-07-17 09:17:46 +02:00
Thomas Nordquist	28afc439ba	Enable topic deletion with delete key	2019-07-17 09:16:24 +02:00
Thomas Nordquist	04ba067775	Refactor TreeNode	2019-07-17 09:15:25 +02:00
Thomas Nordquist	0a5d010827	Fix layout issue	2019-07-17 09:14:32 +02:00
Thomas Nordquist	1cef529ac7	Add confirmation dialog	2019-07-17 09:14:10 +02:00
Thomas Nordquist	094831f037	Fix highlight color in dark mode	2019-07-17 09:12:09 +02:00
dependabot[bot]	5148e92651	Bump lodash from 4.17.11 to 4.17.14 (#154 ) Bumps [lodash](https://github.com/lodash/lodash) from 4.17.11 to 4.17.14. - [Release notes](https://github.com/lodash/lodash/releases) - [Commits](https://github.com/lodash/lodash/compare/4.17.11...4.17.14) Signed-off-by: dependabot[bot] <support@github.com>	2019-07-13 16:21:49 +02:00
dependabot[bot]	13be7a6697	Bump lodash.merge from 4.6.1 to 4.6.2 (#151 ) Bumps [lodash.merge](https://github.com/lodash/lodash) from 4.6.1 to 4.6.2. - [Release notes](https://github.com/lodash/lodash/releases) - [Commits](https://github.com/lodash/lodash/commits) Signed-off-by: dependabot[bot] <support@github.com>	2019-07-13 16:19:43 +02:00
dependabot[bot]	1bef73f356	Bump lodash-es from 4.17.11 to 4.17.14 in /app (#152 ) Bumps [lodash-es](https://github.com/lodash/lodash) from 4.17.11 to 4.17.14. - [Release notes](https://github.com/lodash/lodash/releases) - [Commits](https://github.com/lodash/lodash/compare/4.17.11...4.17.14) Signed-off-by: dependabot[bot] <support@github.com>	2019-07-13 16:19:27 +02:00
Thomas Nordquist	88cc57b8b1	Add .github/Funding	2019-07-13 16:15:09 +02:00
Thomas Nordquist	b5d9ff3067	Refactor chart	2019-07-13 15:57:30 +02:00
Thomas Nordquist	7c63e871f0	Fix disconnect button label	2019-07-13 14:33:12 +02:00
Thomas Nordquist	fd2c78eea0	Fix sidebar layout	2019-07-13 14:22:42 +02:00
Thomas Nordquist	e8e8926757	Fix chart tooltip	2019-07-13 14:22:33 +02:00
Thomas Nordquist	0b6a1e42d6	Improve payload truncation in tree	2019-07-13 12:40:47 +02:00
Thomas Nordquist	ff148a8e3c	Improve tooltip behavior of charts	2019-07-12 17:05:35 +02:00
Thomas Nordquist	ecdecd8626	Update gitignore	2019-07-11 22:09:16 +02:00
Thomas Nordquist	843f2377f0	Package mac dmg first	2019-07-11 22:08:15 +02:00
Thomas Nordquist	a9a5fdf9dd	Fix typo	2019-07-11 22:07:56 +02:00
Thomas Nordquist	a9742ebf81	Replace PureComponent performance wrapper	2019-07-11 22:06:07 +02:00
Thomas Nordquist	df3e0fc047	Refactor charts	2019-07-11 22:05:02 +02:00
Thomas Nordquist	05867dab48	Fix plot pause function	2019-07-11 18:11:26 +02:00
Thomas Nordquist	4f3150d0f3	Add RingBuffer compactation	2019-07-11 18:10:42 +02:00
Thomas Nordquist	175aeea468	Propagate settings in the tree	2019-07-11 17:14:43 +02:00
Thomas Nordquist	167f0b39e0	Do not indicate topic update on selection	2019-07-11 17:09:37 +02:00
Thomas Nordquist	7a9b7d7bf6	Fix test	2019-07-11 16:34:39 +02:00
Thomas Nordquist	1a1596ad3d	Fix tree-rendering performance	2019-07-11 16:14:46 +02:00
Thomas Nordquist	8e49d19fbe	Refactor	2019-07-11 15:33:42 +02:00
Thomas Nordquist	df42d75651	Refactor	2019-07-11 13:54:53 +02:00
Thomas Nordquist	c1e2a4c625	Improve render speed	2019-07-08 17:17:46 +02:00
Thomas Nordquist	901acf2bed	Prepare release	2019-07-08 01:42:29 +02:00
Thomas Nordquist	4ec7c8ca75	Revert "Update material-ui" This reverts commit `75c3619898`.	2019-07-08 01:41:42 +02:00
Thomas Nordquist	75c3619898	Update material-ui	2019-07-08 01:31:27 +02:00
Thomas Nordquist	38f8d2e6ee	Improve render performance	2019-07-08 01:22:16 +02:00
Thomas Nordquist	e3584add7c	Fix broker stats	2019-07-08 00:19:34 +02:00
Thomas Nordquist	77dcbccd5c	Add time range support to charts	2019-07-07 23:54:28 +02:00
Thomas Nordquist	0ff6359a41	Allow scrolling in profile list	2019-07-07 23:52:51 +02:00
Thomas Nordquist	66bfcab256	Fix test	2019-07-07 23:11:13 +02:00
Thomas Nordquist	195dcf37d4	Add time range setting for charts	2019-07-07 22:14:49 +02:00
Thomas Nordquist	5830d99d45	Quit ui-tests eary if an error occurs	2019-07-07 16:50:29 +02:00
Thomas Nordquist	d50cef7bb3	Repair reducer	2019-07-07 16:24:53 +02:00
Thomas Nordquist	b79725bdf0	Refactor sidebar	2019-07-07 16:24:18 +02:00
Thomas Nordquist	6bead5b5a6	Fix animation glitch	2019-07-07 12:59:30 +02:00
Thomas Nordquist	183ea9d8c0	Allow publishing topics with ctrl+return	2019-07-07 12:44:34 +02:00
Thomas Nordquist	282736d2f6	Use default domain if plot data is empty	2019-07-07 12:31:07 +02:00
Thomas Nordquist	45b30e5997	Update dependencies	2019-07-07 12:04:27 +02:00
Thomas Nordquist	3d45e8ce6e	Disable code signing for windows	2019-07-07 11:52:36 +02:00
Thomas Nordquist	393cf76839	Update dictionary	2019-07-02 15:34:43 +02:00
Thomas Nordquist	410bc6a39b	Prepare release	2019-07-02 15:32:04 +02:00
Thomas Nordquist	a56c00aeb3	Hotfix certificates selection	2019-07-02 15:27:38 +02:00
Thomas Nordquist	c3d7d653fb	Update electron-builder	2019-07-02 15:20:33 +02:00
Thomas Nordquist	9d72ef0122	Disable delete key	2019-07-02 15:20:16 +02:00
Thomas Nordquist	b5aa22a6d8	Improve render performance	2019-07-02 15:10:46 +02:00
Thomas Nordquist	aa05c16651	Report crashes	2019-07-02 13:38:34 +02:00
Thomas Nordquist	c543d0fb85	Disable waylanf for snap builds	2019-07-02 11:11:32 +02:00
Thomas Nordquist	de7fa2dd9c	Fix tests	2019-06-27 10:04:56 +02:00
Thomas Nordquist	f9829c2d5c	Refactor	2019-06-26 17:41:21 +02:00
Thomas Nordquist	e02091f645	Expose model interface	2019-06-26 17:41:21 +02:00
Thomas Nordquist	8d15018986	Refactor TreeNodeComponent	2019-06-26 17:41:21 +02:00
Thomas Nordquist	76c63d38cd	Fix type mismatch	2019-06-26 17:41:21 +02:00
Thomas Nordquist	188b5c6c16	Fix typical bugs	2019-06-26 17:41:21 +02:00
greenkeeper[bot]	fc5a5d2035	Update electron in group default to the latest version 🚀 (#136 ) * chore(package): update electron to version 5.0.5 * chore(package): update electron to version 5.0.5 * chore(package): update lockfile yarn.lock	2019-06-25 21:29:50 +02:00
greenkeeper[bot]	838d106b62	Update spectron to the latest version 🚀 (#131 ) * chore(package): update spectron to version 6.0.0 * chore(package): update lockfile yarn.lock	2019-06-25 21:29:09 +02:00
Thomas Nordquist	d59a1af5d4	Refactor TreeNodeComponent	2019-06-25 17:44:34 +02:00
Thomas Nordquist	1638080e85	Improve keyboard arrow navigation	2019-06-25 14:30:47 +02:00
Thomas Nordquist	f4051b4cdf	Add tree navigation via arrow keys	2019-06-25 01:39:31 +02:00
Thomas Nordquist	d054e64568	Focus on first input element of connection settings	2019-06-24 15:59:02 +02:00
Thomas Nordquist	759176c4fc	Improve RangeSettings keyboard compatibility	2019-06-24 15:58:43 +02:00
Thomas Nordquist	c2a9b7b1c6	Fix faulty electron version detection	2019-06-24 14:07:32 +02:00
Thomas Nordquist	2536b9fff7	Fix ui glitch	2019-06-24 14:07:15 +02:00
Thomas Nordquist	b714547928	Fix typo	2019-06-24 12:58:05 +02:00
Thomas Nordquist	005fba5ca3	Prevent tab-event closing the chart range settings	2019-06-24 12:47:22 +02:00
Thomas Nordquist	b27df0c0d8	Allow to select connection profile with arrow keys	2019-06-24 12:27:15 +02:00
Thomas Nordquist	341ab44f9e	Refactor ProfileList	2019-06-24 12:10:02 +02:00
Thomas Nordquist	e0d35548c5	Improve "search as you type" feature	2019-06-24 11:39:24 +02:00
Thomas Nordquist	ba91730f43	Add support for keyboard events	2019-06-24 11:22:50 +02:00
Thomas Nordquist	f691a7a0ae	Add keycodes enum	2019-06-23 12:31:08 +02:00
Thomas Nordquist	5a43ecd8d2	Add dramatic pause to video	2019-06-23 12:30:53 +02:00
Thomas Nordquist	73f33c31bb	Remove wrapper script from snaps	2019-06-23 12:30:35 +02:00
Thomas Nordquist	ffdce6f825	Add keyboard events enter/escape to connect/disconnect	2019-06-23 12:29:52 +02:00
Thomas Nordquist	38b16daf51	Add client certificates	2019-06-21 01:59:38 +02:00
Thomas Nordquist	bed5c74150	Prepare SNI test release	2019-06-20 18:34:34 +02:00
Thomas Nordquist	261454986e	Add SNI support	2019-06-20 18:18:44 +02:00
Thomas Nordquist	03784601ea	Remove snap repackaging	2019-06-20 14:01:33 +02:00
Thomas Nordquist	b060861657	Increase test resiliance	2019-06-20 12:44:02 +02:00
Thomas Nordquist	34a117b74c	Update dependencies	2019-06-19 12:15:40 +02:00
Thomas Nordquist	9e341afdcc	Add cspell	2019-06-19 12:06:23 +02:00
Thomas Nordquist	0d585eef8f	Fix typos	2019-06-19 11:59:14 +02:00
Thomas Nordquist	7e99c18410	Update cspell dictionary	2019-06-18 23:19:29 +02:00
Thomas Nordquist	68118248c9	Improve ui-test video	2019-06-18 17:26:10 +02:00
Thomas Nordquist	f1a2ae16c1	Fix plot theme switch	2019-06-18 17:05:22 +02:00
Thomas Nordquist	7904cb22cf	Update @types/node	2019-06-18 16:25:17 +02:00
Thomas Nordquist	0e0fbae8bb	Freeze electron package version in package.json	2019-06-18 15:48:50 +02:00
Thomas Nordquist	3b72048b67	Fix linting error	2019-06-18 15:13:44 +02:00
Thomas Nordquist	caa54809b4	Show app name on windows tiles	2019-06-18 15:04:39 +02:00
Thomas Nordquist	23f5846122	Prepare release v0.3.0	2019-06-18 14:53:55 +02:00
Thomas Nordquist	de7b461b4e	Update ui-test video	2019-06-18 14:49:48 +02:00
Thomas Nordquist	d92ea0bad7	Remove scene from ui-test video	2019-06-18 14:49:24 +02:00
Thomas Nordquist	d7bb4bb55f	Fix layout default sizes	2019-06-18 14:48:52 +02:00
Thomas Nordquist	9ed8a3b91e	Add ui-test accessibility	2019-06-18 14:48:39 +02:00
Thomas Nordquist	dd78b43058	Fix sidebar scroll behavior	2019-06-18 14:48:16 +02:00
Thomas Nordquist	cd68e966ab	Fix test text input	2019-06-18 10:27:58 +02:00
Thomas Nordquist	6baeafce39	Fix typo	2019-06-18 10:27:42 +02:00
Thomas Nordquist	1d8900d6eb	Move chart panel below tree	2019-06-17 23:27:16 +02:00
Thomas Nordquist	e82c8c4eb0	Refactor	2019-06-17 21:31:54 +02:00
Thomas Nordquist	449d046ce3	Avoid dotPath confusions	2019-06-17 19:11:58 +02:00
Thomas Nordquist	06ab52bb6b	Fix chart panel auto-open	2019-06-17 19:08:40 +02:00
Thomas Nordquist	181575f71f	Prepare release v0.3.0-alpha2	2019-06-17 18:29:46 +02:00
Thomas Nordquist	3d5a4af705	Tidy up ui	2019-06-17 18:27:19 +02:00
Thomas Nordquist	4e982be613	Show notification when adding charts	2019-06-17 18:19:26 +02:00
Thomas Nordquist	8c1c6387c9	Add colors and move capability to charts	2019-06-17 18:08:35 +02:00
Thomas Nordquist	0f9c2cd36f	Allow custom options for charts	2019-06-17 16:37:13 +02:00
Thomas Nordquist	2296143883	Set fixed border for bottom panel	2019-06-17 16:36:40 +02:00
Thomas Nordquist	fcb61b563c	Refactor	2019-06-17 12:12:22 +02:00
Thomas Nordquist	90e5336c5c	Filter tracking	2019-06-17 12:11:24 +02:00
Thomas Nordquist	37d56e24ac	Fix chart tree source	2019-06-16 23:06:32 +02:00
Thomas Nordquist	57f979e1bb	Prepare release v0.3.0-alpha	2019-06-16 22:43:37 +02:00
Thomas Nordquist	00cbb63181	Add ShowPlot icon/action to MessageHistory	2019-06-16 22:43:13 +02:00
Thomas Nordquist	eaafb68117	Throttle chart updates	2019-06-16 22:42:17 +02:00
Thomas Nordquist	486a3568e9	Allow plotting edge-case values	2019-06-16 22:31:21 +02:00
Thomas Nordquist	acff7ea631	Refactor	2019-06-16 22:30:56 +02:00
Thomas Nordquist	6829046d8c	Disable reducer tracking	2019-06-16 22:30:38 +02:00
Thomas Nordquist	182285d8a5	Fix ui glitch in topic breadcrumbs	2019-06-16 21:56:30 +02:00
Thomas Nordquist	1af799789d	Only migrate eclipse mqtt server when not using ssl	2019-06-16 21:29:37 +02:00
Thomas Nordquist	7036d6c8fe	Migrate from iot.eclipse.org to mqtt.eclipse.org	2019-06-16 21:23:22 +02:00
Thomas Nordquist	0b067bd964	Update electron to 5.0.4	2019-06-16 21:01:08 +02:00
Thomas Nordquist	9fe5133ef1	Improve plot performance with memoization	2019-06-16 20:55:55 +02:00
Thomas Nordquist	c9aae4287c	Fix chart panel auto-open	2019-06-16 20:50:18 +02:00
Thomas Nordquist	97846e01a7	Use mui-theme to color plots	2019-06-16 20:18:48 +02:00
Thomas Nordquist	b4b6c214cb	Open/close chart panel automatically	2019-06-16 20:18:26 +02:00
Thomas Nordquist	1d77af5e22	Improve message receive time accuracy	2019-06-16 19:39:40 +02:00
Thomas Nordquist	1884f3baae	Fix code style	2019-06-16 19:25:50 +02:00
Thomas Nordquist	0ebb6f4424	Round time intervals	2019-06-16 19:23:24 +02:00
Thomas Nordquist	209899c3b8	Add numeric chart panel	2019-06-16 19:10:37 +02:00
Thomas Nordquist	4ec8cdf0ff	Fix linting on windows	2019-06-15 20:27:30 +02:00
Thomas Nordquist	53326b6de4	Fix linter error	2019-06-15 20:11:35 +02:00
Thomas Nordquist	8c13282a55	Fix axios dependecy	2019-06-15 17:23:14 +02:00
Thomas Nordquist	0e3d94bf06	Remove ffmpreg-concat from build	2019-06-15 16:37:24 +02:00
Thomas Nordquist	af8613096d	Add automatic linting	2019-06-15 15:04:15 +02:00
Thomas Nordquist	92e045297e	Update code formatting	2019-06-15 14:56:57 +02:00
Thomas Nordquist	6176859c7c	Update MaterialUI	2019-06-14 11:58:46 +02:00
Thomas Nordquist	3935b1d614	Fix flaky diagram	2019-06-14 10:41:52 +02:00
greenkeeper[bot]	c9d3e552ae	Update css-loader in group default to the latest version 🚀 (#125 ) * chore(package): update css-loader to version 3.0.0 * chore(package): update lockfile app/yarn.lock	2019-06-12 18:34:49 +02:00
Thomas Nordquist	d62305303a	Refactor	2019-06-06 23:20:20 +02:00
Thomas Nordquist	34c81f7f69	Extract style	2019-06-06 23:16:40 +02:00
Thomas Nordquist	bd1f6b6d82	Resolve error when trying to decode faulty json	2019-06-06 23:16:40 +02:00
Thomas Nordquist	e728a721aa	Prevent unneccessary re-renders	2019-06-06 23:16:40 +02:00
greenkeeper[bot]	15a0c8a5c5	Update file-loader in group default to the latest version 🚀 (#122 ) * fix(package): update file-loader to version 4.0.0 * chore(package): update lockfile app/yarn.lock	2019-06-06 09:36:12 +02:00
Thomas Nordquist	173f662fa7	Fix readme	2019-06-05 13:49:35 +02:00
Thomas Nordquist	15c4dc2df3	Fix binary switches for settings drawer	2019-06-05 13:28:07 +02:00
Thomas Nordquist	b9dcc4a9a8	Fix diagram mouse event handlers	2019-06-05 13:22:12 +02:00
greenkeeper[bot]	f8648b92a1	Update dependencies to enable Greenkeeper 🌴 (#121 ) * chore: add Greenkeeper config file * chore(package): update dependencies * chore(package): update dependencies * docs(readme): add Greenkeeper badge * chore(package): update lockfile app/yarn.lock * chore(package): update lockfile yarn.lock * Fix update specific issues * Fix AceEditor	2019-06-05 11:48:15 +02:00
Thomas Nordquist	4f0b13bdc7	Clean up	2019-06-04 23:03:53 +02:00
Thomas Nordquist	1f9215a19f	Fix ui-tests	2019-06-04 23:00:42 +02:00
Thomas Nordquist	9e15e28147	Add JSON based plots	2019-06-04 21:51:23 +02:00
Thomas Nordquist	09151d14a9	Handle invalid json - fix style	2019-06-04 14:36:28 +02:00
Thomas Nordquist	e66f6d098a	Refactor CodeDiff	2019-06-04 11:32:59 +02:00
Thomas Nordquist	8cc3d416b8	Update axios	2019-06-04 10:48:13 +02:00
Thomas Nordquist	348b72ea69	Fix type error	2019-06-04 10:45:02 +02:00
Thomas Nordquist	050ba81760	Prepare json literal inpsection	2019-05-28 17:49:44 +02:00
Thomas Nordquist	fe16eabb6b	Adapt to newer webdriver api	2019-05-28 11:00:06 +02:00
Thomas Nordquist	3c58164539	Fix heapdump rebuild script	2019-05-28 10:57:57 +02:00
Thomas Nordquist	5a9d6aa4dd	Remove depreacted lockfile	2019-05-28 10:57:35 +02:00
Thomas Nordquist	5c413a9ebb	Update dependencies of web-app	2019-05-28 10:47:17 +02:00
Thomas Nordquist	d0ddec746a	Update dependecies	2019-05-28 10:42:33 +02:00
Thomas Nordquist	6e4754f475	Disable auto-updater for appx/snap/mas builds	2019-05-07 17:44:42 +02:00
Thomas Nordquist	63f89d628e	Destroy view-models when destroying trees	2019-05-07 17:43:31 +02:00
Thomas Nordquist	dfaae34cf5	Add bigger microsoft store icon	2019-05-07 13:16:19 +02:00