Fix emitter leaks, style, tree swaps

app/package-lock.json

@@ -12,6 +12,11 @@
         "regenerator-runtime": "^0.12.0"
       }
     },
+    "@emotion/hash": {
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/@emotion/hash/-/hash-0.7.1.tgz",
+      "integrity": "sha512-OYpa/Sg+2GDX+jibUfpZVn1YqSVRpYmTLF2eyAfrFTIJSbwyIrc+YscayoykvaOME/wV4BV0Sa0yqdMrgse6mA=="
+    },
     "@fimbul/bifrost": {
       "version": "0.17.0",
       "resolved": "https://registry.npmjs.org/@fimbul/bifrost/-/bifrost-0.17.0.tgz",
@@ -53,12 +58,13 @@
       }
     },
     "@material-ui/core": {
-      "version": "3.7.1",
+      "version": "3.9.0",
-      "resolved": "https://registry.npmjs.org/@material-ui/core/-/core-3.7.1.tgz",
+      "resolved": "https://registry.npmjs.org/@material-ui/core/-/core-3.9.0.tgz",
-      "integrity": "sha512-CjIGwvzn84BgzXWzC9M/Tz2gDI7AfUe3G1JXkZQAVy+ddPikh+iZwn5snnElfcjuC+ahXxaIyK49ARt3NM49vQ==",
+      "integrity": "sha512-9fxu0B9zx/TfiU0OJmwRFk+I+2J7fcXzTfQl+ZPxqlVRrPDqTHnMZlqWRJjlHCe3AVXlgpJ6/a4QCvGEohEbIQ==",
       "requires": {
-        "@babel/runtime": "7.2.0",
+        "@babel/runtime": "^7.2.0",
-        "@material-ui/utils": "^3.0.0-alpha.1",
+        "@material-ui/system": "^3.0.0-alpha.0",
+        "@material-ui/utils": "^3.0.0-alpha.2",
         "@types/jss": "^9.5.6",
         "@types/react-transition-group": "^2.0.8",
         "brcast": "^3.0.1",
@@ -127,17 +133,66 @@
         }
       }
     },
-    "@material-ui/lab": {
+    "@material-ui/styles": {
-      "version": "3.0.0-alpha.27",
+      "version": "3.0.0-alpha.8",
-      "resolved": "https://registry.npmjs.org/@material-ui/lab/-/lab-3.0.0-alpha.27.tgz",
+      "resolved": "https://registry.npmjs.org/@material-ui/styles/-/styles-3.0.0-alpha.8.tgz",
-      "integrity": "sha512-VwUCXEJEo1QkSTDoAg5g8K51f6Re7Fh5d7m5IO9W95B9iEYVJhSGy+WY1/ZQdpJl1F1gPzL9u2asCg6LIazBLA==",
+      "integrity": "sha512-66X0fN9AmXexpnk8wWin2L0p4PzRvIP8Cy2pzXANrbfpHyTgDsURiGECRgv+cgtIBoAjqb/x+NxEE92RYFYFWQ==",
-      "dev": true,
       "requires": {
-        "@babel/runtime": "7.2.0",
+        "@babel/runtime": "^7.2.0",
+        "@emotion/hash": "^0.7.1",
         "@material-ui/utils": "^3.0.0-alpha.2",
         "classnames": "^2.2.5",
-        "keycode": "^2.1.9",
+        "deepmerge": "^3.0.0",
-        "prop-types": "^15.6.0"
+        "hoist-non-react-statics": "^3.2.1",
+        "jss": "^10.0.0-alpha.7",
+        "jss-plugin-camel-case": "^10.0.0-alpha.7",
+        "jss-plugin-default-unit": "^10.0.0-alpha.7",
+        "jss-plugin-global": "^10.0.0-alpha.7",
+        "jss-plugin-nested": "^10.0.0-alpha.7",
+        "jss-plugin-props-sort": "^10.0.0-alpha.7",
+        "jss-plugin-rule-value-function": "^10.0.0-alpha.7",
+        "jss-plugin-vendor-prefixer": "^10.0.0-alpha.7",
+        "prop-types": "^15.6.0",
+        "warning": "^4.0.1"
+      },
+      "dependencies": {
+        "jss": {
+          "version": "10.0.0-alpha.8",
+          "resolved": "https://registry.npmjs.org/jss/-/jss-10.0.0-alpha.8.tgz",
+          "integrity": "sha512-7cNQXMbJ5KQOgTJSaDPfLInBIaU5AD+FYg00PCl9i170NXj3M/CsoIWUMnTGbsWjcIQ7DmlqzrSFdsxSwzHjuA==",
+          "requires": {
+            "@babel/runtime": "^7.0.0",
+            "is-in-browser": "^1.1.3",
+            "symbol-observable": "^1.2.0",
+            "tiny-warning": "^1.0.2"
+          }
+        }
+      }
+    },
+    "@material-ui/system": {
+      "version": "3.0.0-alpha.1",
+      "resolved": "https://registry.npmjs.org/@material-ui/system/-/system-3.0.0-alpha.1.tgz",
+      "integrity": "sha512-5EihYa6Ct5mA/shfFSjWO8e/whV+otbXAduYfiL34GH+Mh4vZs+wjcy0P80XA/cDIwSgkQ7vTvvY1x04AgIz4w==",
+      "requires": {
+        "@babel/runtime": "7.1.2",
+        "deepmerge": "^2.0.1",
+        "prop-types": "^15.6.0",
+        "warning": "^4.0.1"
+      },
+      "dependencies": {
+        "@babel/runtime": {
+          "version": "7.1.2",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.1.2.tgz",
+          "integrity": "sha512-Y3SCjmhSupzFB6wcv1KmmFucH6gDVnI30WjOcicV10ju0cZjak3Jcs67YLIXBrmZYw1xCrVeJPbycFwrqNyxpg==",
+          "requires": {
+            "regenerator-runtime": "^0.12.0"
+          }
+        },
+        "deepmerge": {
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-2.2.1.tgz",
+          "integrity": "sha512-R9hc1Xa/NOBi9WRVUWg19rl1UB7Tt4kuPd+thNJgFZoxXsTz7ncaPaeIm+40oSGuP33DfMb4sZt1QIGiJzC4EA=="
+        }
       }
     },
     "@material-ui/utils": {
@@ -1802,9 +1857,9 @@
       "dev": true
     },
     "deepmerge": {
-      "version": "3.0.0",
+      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-3.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-3.1.0.tgz",
-      "integrity": "sha512-a8z8bkgHsAML+uHLqmMS83HHlpy3PvZOOuiTQqaa3wu8ZVg3h0hqHk6aCsGdOnZV2XMM/FRimNGjUh0KCcmHBw=="
+      "integrity": "sha512-/TnecbwXEdycfbsM2++O3eGiatEFHjjNciHEwJclM+T5Kd94qD1AP+2elP/Mq0L5b9VZJao5znR01Mz6eX8Seg=="
     },
     "default-gateway": {
       "version": "2.7.2",
@@ -4206,6 +4261,75 @@
         }
       }
     },
+    "jss-plugin-camel-case": {
+      "version": "10.0.0-alpha.7",
+      "resolved": "https://registry.npmjs.org/jss-plugin-camel-case/-/jss-plugin-camel-case-10.0.0-alpha.7.tgz",
+      "integrity": "sha512-Bwrav1ZB0XywdJW6TaEuFhKe1ZpZvUlESh3jsFOvebA9aFTYNCkmHMEqjA5+u9VMxksl3u77nnZHtukpxkzrBA==",
+      "requires": {
+        "@babel/runtime": "^7.0.0",
+        "hyphenate-style-name": "^1.0.2"
+      }
+    },
+    "jss-plugin-default-unit": {
+      "version": "10.0.0-alpha.7",
+      "resolved": "https://registry.npmjs.org/jss-plugin-default-unit/-/jss-plugin-default-unit-10.0.0-alpha.7.tgz",
+      "integrity": "sha512-auuJUbQaWMxoHOVFPrfZNZpZm9ab8PZeDyvey8nMt2lbokkmZ53UyAnM/1kNsg5BdAXTItcLDxDB3I4gwNU84g==",
+      "requires": {
+        "@babel/runtime": "^7.0.0"
+      }
+    },
+    "jss-plugin-global": {
+      "version": "10.0.0-alpha.7",
+      "resolved": "https://registry.npmjs.org/jss-plugin-global/-/jss-plugin-global-10.0.0-alpha.7.tgz",
+      "integrity": "sha512-OWeoW4szLDgRUKviST+xfilqa8O5uXJCW+O3YonheCRTRJg6rRzlE/b5pfYPoU9UtwvY9n7JvwBX5r3c1lMsEQ==",
+      "requires": {
+        "@babel/runtime": "^7.0.0"
+      }
+    },
+    "jss-plugin-nested": {
+      "version": "10.0.0-alpha.7",
+      "resolved": "https://registry.npmjs.org/jss-plugin-nested/-/jss-plugin-nested-10.0.0-alpha.7.tgz",
+      "integrity": "sha512-wsRzuIZXAc6WMjc61mREW9cUrDxgSI7dK/fx5c7a06IDUfSn+83NJ30J/RB4oBnbQW9SijV/muujz7IJqpn9Gw==",
+      "requires": {
+        "@babel/runtime": "^7.0.0",
+        "tiny-warning": "^1.0.2"
+      }
+    },
+    "jss-plugin-props-sort": {
+      "version": "10.0.0-alpha.7",
+      "resolved": "https://registry.npmjs.org/jss-plugin-props-sort/-/jss-plugin-props-sort-10.0.0-alpha.7.tgz",
+      "integrity": "sha512-KXOCaHUk1+KXqE0z3q66/w1fDoy+VsZvI77gLxOqTsTrvIKFLX0jarwXogW3CDlaPQQFTZ6JykJJXtPRTBlstA==",
+      "requires": {
+        "@babel/runtime": "^7.0.0"
+      }
+    },
+    "jss-plugin-rule-value-function": {
+      "version": "10.0.0-alpha.7",
+      "resolved": "https://registry.npmjs.org/jss-plugin-rule-value-function/-/jss-plugin-rule-value-function-10.0.0-alpha.7.tgz",
+      "integrity": "sha512-ett83hvIM69/LknmrWndrrdiDlfLfP+rneU5qP7gTOWJ7g1P9GuEL1Tc4CWdZUWBX+T58tgIBP0V1pzWCkP0QA==",
+      "requires": {
+        "@babel/runtime": "^7.0.0"
+      }
+    },
+    "jss-plugin-vendor-prefixer": {
+      "version": "10.0.0-alpha.7",
+      "resolved": "https://registry.npmjs.org/jss-plugin-vendor-prefixer/-/jss-plugin-vendor-prefixer-10.0.0-alpha.7.tgz",
+      "integrity": "sha512-YbIVgqq+dLimOBOEYggho1Iuc0roz4PJSZYyaok9n8JnXVIqPnxYJbr8+bMbvzJ5CL3eeJij/e7L2IPCceRKrA==",
+      "requires": {
+        "@babel/runtime": "^7.0.0",
+        "css-vendor": "^1.1.0"
+      },
+      "dependencies": {
+        "css-vendor": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/css-vendor/-/css-vendor-1.1.0.tgz",
+          "integrity": "sha512-pePyROdjdMRjHhGN+xZjBomaR9GXueNQ2ZLkEi0i2A/eVx0m4oCLglltdRsaYCSOpun0GRJWuqmWLIYj6Y/RVQ==",
+          "requires": {
+            "is-in-browser": "^1.0.2"
+          }
+        }
+      }
+    },
     "jss-props-sort": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/jss-props-sort/-/jss-props-sort-6.0.0.tgz",
@@ -5588,15 +5712,27 @@
       }
     },
     "react": {
-      "version": "16.7.0",
+      "version": "16.8.0-alpha.1",
-      "resolved": "https://registry.npmjs.org/react/-/react-16.7.0.tgz",
+      "resolved": "https://registry.npmjs.org/react/-/react-16.8.0-alpha.1.tgz",
-      "integrity": "sha512-StCz3QY8lxTb5cl2HJxjwLFOXPIFQp+p+hxQfc8WE0QiLfCtIlKj8/+5tjjKm8uSTlAW+fCPaavGFS06V9Ar3A==",
+      "integrity": "sha512-vLwwnhM2dXrCsiQmcSxF2UdZVV5xsiXjK5Yetmy8dVqngJhQ3aw3YJhZN/YmyonxwdimH40wVqFQfsl4gSu2RA==",
       "dev": true,
       "requires": {
         "loose-envify": "^1.1.0",
         "object-assign": "^4.1.1",
         "prop-types": "^15.6.2",
-        "scheduler": "^0.12.0"
+        "scheduler": "^0.13.0-alpha.1"
+      },
+      "dependencies": {
+        "scheduler": {
+          "version": "0.13.0-alpha.1",
+          "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.13.0-alpha.1.tgz",
+          "integrity": "sha512-W0sH0848sVuPKg+I18vTYQyzVtA4X1lrVgSeXK6KnOPUltFdJcY5nkbTkjGUeS/E0x+eBsNYfSdhJtGjT95njw==",
+          "dev": true,
+          "requires": {
+            "loose-envify": "^1.1.0",
+            "object-assign": "^4.1.1"
+          }
+        }
       }
     },
     "react-ace": {
@@ -5718,9 +5854,9 @@
       }
     },
     "react-transition-group": {
-      "version": "2.5.2",
+      "version": "2.5.3",
-      "resolved": "https://registry.npmjs.org/react-transition-group/-/react-transition-group-2.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/react-transition-group/-/react-transition-group-2.5.3.tgz",
-      "integrity": "sha512-vwHP++S+f6KL7rg8V1mfs62+MBKtbMeZDR8KiNmD7v98Gs3UPGsDZDahPJH2PVprFW5YHJfh6cbNim3zPndaSQ==",
+      "integrity": "sha512-2DGFck6h99kLNr8pOFk+z4Soq3iISydwOFeeEVPjTN6+Y01CmvbWmnN02VuTWyFdnRtIDPe+wy2q6Ui8snBPZg==",
       "requires": {
         "dom-helpers": "^3.3.1",
         "loose-envify": "^1.4.0",
@@ -6949,6 +7085,11 @@
         }
       }
     },
+    "tiny-warning": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/tiny-warning/-/tiny-warning-1.0.2.tgz",
+      "integrity": "sha512-rru86D9CpQRLvsFG5XFdy0KdLAvjdQDyZCsRcuu60WtzFylDM3eAWSxEVz5kzL2Gp544XiUvPbVKtOA/txLi9Q=="
+    },
     "to-array": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",

app/package.json

@@ -10,14 +10,13 @@
   "license": "ISC",
   "devDependencies": {
     "@material-ui/icons": "^3.0.1",
-    "@material-ui/lab": "^3.0.0-alpha.27",
     "@types/react": "^16.7.18",
     "@types/react-dom": "^16.0.11",
     "@types/react-redux": "^6.0.12",
     "css-loader": "^2.1.0",
     "electron-nucleus": "^1.11.0",
     "electron-telemetry": "git+https://github.com/thomasnordquist/electron-telemetry.git",
-    "react": "^16.7.0",
+    "react": "^16.8.0-alpha.1",
     "react-dom": "^16.7.0",
     "react-redux": "^6.0.0",
     "react-vis": "^1.11.6",
@@ -27,7 +26,8 @@
     "webpack-livereload-plugin": "^2.2.0"
   },
   "dependencies": {
-    "@material-ui/core": "^3.7.1",
+    "@material-ui/core": "^3.9.0",
+    "@material-ui/styles": "^3.0.0-alpha.8",
     "@types/node": "^10.12.18",
     "@types/react-resize-detector": "^3.1.0",
     "@types/sha1": "^1.1.1",

app/src/App.tsx

@@ -17,7 +17,7 @@ import ErrorBoundary from './ErrorBoundary'
 interface Props {
   name: string
   connectionId: string
-  theme: Theme
+  classes: any
   settingsVisible: boolean
 }
 
@@ -27,32 +27,66 @@ class App extends React.Component<Props, {}> {
     this.state = { }
   }
 
-  private getStyles(): {[s: string]: React.CSSProperties} {
+  public render() {
-    const { theme } = this.props
+    const { settingsVisible } = this.props
+    const { content, contentShift, centerContent, left, right } = this.props.classes
+
+    return (
+      <div className={centerContent}>
+        <CssBaseline />
+        <ErrorBoundary>
+          <Settings />
+          <div className={settingsVisible ? contentShift : content}>
+              <TitleBar />
+              <div className={centerContent}>
+                <div className={this.props.classes.left}>
+                  <Tree />
+                </div>
+                <div className={right}>
+                  <Sidebar connectionId={this.props.connectionId} />
+                </div>
+              </div>
+          </div>
+          <UpdateNotifier />
+          <Connection />
+        </ErrorBoundary>
+      </div >
+    )
+  }
+}
+
+const mapStateToProps = (state: AppState) => {
+  return {
+    settingsVisible: state.settings.visible,
+    connectionId: state.connection.connectionId,
+  }
+}
+
+const styles = (theme: Theme) => {
   const drawerWidth = 300
   return {
     left: {
       backgroundColor: theme.palette.background.default,
       color: theme.palette.text.primary,
       height: 'calc(100vh - 64px)',
-        float: 'left',
+      float: 'left' as 'left',
-        overflowY: 'scroll',
+      overflowY: 'scroll' as 'scroll',
-        overflowX: 'hidden',
+      overflowX: 'hidden' as 'hidden',
-        display: 'block',
+      display: 'block' as 'block',
       width: '60vw',
     },
     right: {
       height: 'calc(100vh - 64px)',
       color: theme.palette.text.primary,
-        float: 'left',
+      float: 'left' as 'left',
       width: '40vw',
-        overflowY: 'scroll',
+      overflowY: 'scroll' as 'scroll',
-        overflowX: 'hidden',
+      overflowX: 'hidden' as 'hidden',
-        display: 'block',
+      display: 'block' as 'block',
     },
     centerContent: {
       width: '100vw',
-        overflow: 'hidden',
+      overflow: 'hidden' as 'hidden',
     },
     content: {
       backgroundColor: theme.palette.background.default,
@@ -74,39 +108,4 @@ class App extends React.Component<Props, {}> {
   }
 }
 
-  public render() {
+export default withStyles(styles)(connect(mapStateToProps)(App))
-    const { settingsVisible } = this.props
-    const { content, contentShift, centerContent } = this.getStyles()
-
-    return (
-      <div style={centerContent}>
-        <CssBaseline />
-        <ErrorBoundary>
-          <Settings />
-          <div style={settingsVisible ? contentShift : content}>
-              <TitleBar />
-              <div style={centerContent}>
-                <div style={this.getStyles().left}>
-                  <Tree />
-                </div>
-                <div style={this.getStyles().right}>
-                  <Sidebar connectionId={this.props.connectionId} />
-                </div>
-              </div>
-          </div>
-          <UpdateNotifier />
-          <Connection />
-        </ErrorBoundary>
-      </div >
-    )
-  }
-}
-
-const mapStateToProps = (state: AppState) => {
-  return {
-    settingsVisible: state.settings.visible,
-    connectionId: state.connection.connectionId,
-  }
-}
-
-export default withStyles({}, { withTheme: true })(connect(mapStateToProps)(App))

app/src/UpdateNotifier.tsx

@@ -224,4 +224,4 @@ const mapDispatchToProps = (dispatch: any) => {
   }
 }
 
-export default withStyles(styles, { withTheme: true })(connect(mapStateToProps, mapDispatchToProps)(UpdateNotifier))
+export default withStyles(styles)(connect(mapStateToProps, mapDispatchToProps)(UpdateNotifier))

app/src/actions/Settings.ts

@@ -1,6 +1,7 @@
 import { Action, ActionTypes, TopicOrder } from '../reducers/Settings'
-import { ActionTypes as TreeActionTypes, Action as TreeAction } from '../reducers/Tree'
+import { ActionTypes as TreeActionTypes } from '../reducers/Tree'
 import { Dispatch } from 'redux'
+import { showTree } from './Tree'
 import { AppState } from '../reducers'
 import * as q from '../../../backend/src/Model'
 
@@ -38,17 +39,22 @@ export const filterTopics = (filterStr: string) => (dispatch: Dispatch<any>, get
   }
 
   if (!topicFilter) {
-    dispatch({
+    dispatch(showTree(tree))
-      tree,
-      filter: '',
-      type: TreeActionTypes.TREE_SHOW_TREE,
-    })
-
     return
   }
 
+  const nodeFilter = (node: q.TreeNode): boolean => {
+    const topicMatches = node.path().toLowerCase().indexOf(topicFilter) !== -1
+    if (topicMatches) {
+      return true
+    }
+
+    const messageMatches = (node.message && typeof node.message.value === 'string' && node.message.value.toLowerCase().indexOf(filterStr) !== -1)
+    return Boolean(messageMatches)
+  }
+
   const resultTree = tree.leafes()
-    .filter(leaf => leaf.path().toLowerCase().indexOf(topicFilter) !== -1)
+    .filter(nodeFilter)
     .map((node) => {
       const clone = node.unconnectedClone()
       q.TreeNodeFactory.insertNodeAtPosition(node.path().split('/'), clone)
@@ -59,9 +65,10 @@ export const filterTopics = (filterStr: string) => (dispatch: Dispatch<any>, get
       return a
     }, new q.Tree())
 
-  dispatch({
+  const nextTree: q.Tree = resultTree as q.Tree
-    tree: resultTree,
+  if (tree.updateSource && tree.connectionId) {
-    filter: topicFilter,
+    nextTree.updateWithConnection(tree.updateSource, tree.connectionId, nodeFilter)
-    type: TreeActionTypes.TREE_SHOW_TREE,
+  }
-  })
+
+  dispatch(showTree(nextTree))
 }

app/src/actions/Tree.ts

@@ -18,9 +18,17 @@ export const selectTopic = (topic: q.TreeNode) => (dispatch: Dispatch<any>, getS
   })
 }
 
-export const showTree = (tree?: q.Tree) => {
+export const showTree = (tree?: q.Tree) => (dispatch: Dispatch<any>, getState: () => AppState)  => {
-  return {
+  const visibleTree = getState().tree.tree
+  const connectionTree = getState().connection.tree
+
+  // Stop updates of old tree
+  if (visibleTree !== connectionTree && visibleTree) {
+    visibleTree.stopUpdating()
+  }
+
+  dispatch({
     tree,
     type: ActionTypes.TREE_SHOW_TREE,
-  }
+  })
 }

app/src/components/ConnectionSetup/Connection.tsx

@@ -33,7 +33,6 @@ import { connectionActions } from '../../actions'
 
 interface Props {
   classes: {[s: string]: string}
-  theme: Theme
   actions: typeof connectionActions,
   visible: boolean
   connected: boolean
@@ -393,4 +392,4 @@ const mapDispatchToProps = (dispatch: any) => {
   }
 }
 
-export default connect(mapStateToProps, mapDispatchToProps)(withStyles(Connection.styles, { withTheme: true })(Connection))
+export default connect(mapStateToProps, mapDispatchToProps)(withStyles(Connection.styles)(Connection))

app/src/components/Settings.tsx

@@ -18,7 +18,6 @@ import { bindActionCreators } from 'redux'
 import { connect } from 'react-redux'
 import { settingsActions } from '../actions'
 import { TopicOrder } from '../reducers/Settings'
-import Topic from './Sidebar/Topic';
 
 const styles: StyleRulesCallback = theme => ({
   drawer: {

app/src/components/Sidebar/MessageHistory.tsx

@@ -1,9 +1,8 @@
 import * as React from 'react'
 import * as q from '../../../../backend/src/Model'
 
-import { Theme, withTheme } from '@material-ui/core/styles'
 import BarChart from '@material-ui/icons/BarChart'
-import DateFormatter from '../DateFormatter'
+import DateFormatter from '../helper/DateFormatter'
 import History from './History'
 import PlotHistory from './PlotHistory'
 
@@ -11,7 +10,6 @@ const throttle = require('lodash.throttle')
 
 interface Props {
   node?: q.TreeNode
-  theme: Theme
   onSelect: (message: q.Message) => void
 }
 
@@ -35,7 +33,7 @@ class MessageHistory extends React.Component<Props, State> {
     nextProps.node && nextProps.node.onMessage.subscribe(this.updateNode)
   }
 
-  public componentWillMount() {
+  public componentDidMount() {
     this.props.node && this.props.node.onMessage.subscribe(this.updateNode)
   }
 
@@ -81,4 +79,4 @@ class MessageHistory extends React.Component<Props, State> {
   }
 }
 
-export default withTheme()(MessageHistory)
+export default MessageHistory

app/src/components/Sidebar/PlotHistory.tsx

@@ -1,10 +1,9 @@
 const { XYPlot, XAxis, LineMarkSeries, Hint, YAxis, HorizontalGridLines, LineSeries } = require('react-vis')
 import { default as ReactResizeDetector } from 'react-resize-detector'
 
-import DateFormatter from '../DateFormatter'
+import DateFormatter from '../helper/DateFormatter'
 import * as React from 'react'
 import * as q from '../../../../backend/src/Model'
-import { withStyles, Theme, StyleRulesCallback } from '@material-ui/core/styles'
 import 'react-vis/dist/style.css'
 
 interface Props {
@@ -71,4 +70,4 @@ class PlotHistory extends React.Component<Props, Stats> {
   }
 }
 
-export default withStyles({}, { withTheme: true })(PlotHistory)
+export default PlotHistory

app/src/components/Sidebar/Sidebar.tsx

@@ -7,11 +7,9 @@ import {
   ExpansionPanelDetails,
   ExpansionPanelSummary,
   Fade,
-  Fab,
   Paper,
   Popper,
   Typography,
-  IconButton,
   Tooltip,
 } from '@material-ui/core'
 import { StyleRulesCallback, Theme, withStyles } from '@material-ui/core/styles'
@@ -20,7 +18,7 @@ import { sidebarActons } from '../../actions'
 
 import { AppState } from '../../reducers'
 import Copy from '../Copy'
-import DateFormatter from '../DateFormatter'
+import DateFormatter from '../helper/DateFormatter'
 import ExpandMore from '@material-ui/icons/ExpandMore'
 import Clear from '@material-ui/icons/Clear'
 import MessageHistory from './MessageHistory'
@@ -37,7 +35,6 @@ interface Props {
   node?: q.TreeNode,
   actions: typeof sidebarActons,
   classes: any,
-  theme: Theme,
   connectionId?: string,
 }
 
@@ -58,22 +55,6 @@ class Sidebar extends React.Component<Props, State> {
     this.state = { node: new q.Tree() }
   }
 
-  public static styles: StyleRulesCallback<string> = (theme: Theme) => {
-    return {
-      drawer: {
-        display: 'block',
-        height: '100%',
-      },
-      valuePaper: {
-        margin: `${theme.spacing.unit}px ${theme.spacing.unit}px ${theme.spacing.unit}px ${theme.spacing.unit}px`,
-      },
-      heading: {
-        fontSize: theme.typography.pxToRem(15),
-        fontWeight: theme.typography.fontWeightRegular,
-      },
-    }
-  }
-
   public componentWillReceiveProps(nextProps: Props) {
     this.props.node && this.removeUpdateListener(this.props.node)
     nextProps.node && this.registerUpdateListener(nextProps.node)
@@ -229,4 +210,20 @@ const mapDispatchToProps = (dispatch: any) => {
   }
 }
 
-export default withStyles(Sidebar.styles, { withTheme: true })(connect(mapStateToProps, mapDispatchToProps)(Sidebar))
+const styles: StyleRulesCallback<string> = (theme: Theme) => {
+  return {
+    drawer: {
+      display: 'block',
+      height: '100%',
+    },
+    valuePaper: {
+      margin: `${theme.spacing.unit}px ${theme.spacing.unit}px ${theme.spacing.unit}px ${theme.spacing.unit}px`,
+    },
+    heading: {
+      fontSize: theme.typography.pxToRem(15),
+      fontWeight: theme.typography.fontWeightRegular,
+    },
+  }
+}
+
+export default withStyles(styles)(connect(mapStateToProps, mapDispatchToProps)(Sidebar))

app/src/components/Tree/Tree.tsx

@@ -1,8 +1,6 @@
 import * as React from 'react'
 import * as q from '../../../../backend/src/Model'
 
-import { makeConnectionMessageEvent, rendererEvents, MqttMessage } from '../../../../events'
-
 import { AppState } from '../../reducers'
 import TreeNode from './TreeNode'
 import { connect } from 'react-redux'
@@ -84,11 +82,11 @@ class Tree extends React.Component<Props, {}> {
       lineHeight: '1.1',
       cursor: 'default',
     }
-    const key = `rootNode-${filter}`
+
     return (
       <div style={style}>
         <TreeNode
-          key={key}
+          key={tree.hash()}
           animateChages={true}
           isRoot={true}
           treeNode={tree}

app/src/components/Tree/TreeNode.tsx

@@ -67,8 +67,8 @@ class TreeNode extends React.Component<Props, State> {
   private cssAnimationWasSetAt?: number
 
   private willUpdateTime: number = performance.now()
-  private titleRef = React.createRef<HTMLDivElement>()
+  private titleRef?: React.RefObject<HTMLDivElement> = React.createRef<HTMLDivElement>()
-  private topicSelectRef = React.createRef<HTMLDivElement>()
+  private topicSelectRef?: React.RefObject<HTMLDivElement> = React.createRef<HTMLDivElement>()
 
   private subnodesDidchange = () => {
     this.dirtySubnodes = true
@@ -90,18 +90,52 @@ class TreeNode extends React.Component<Props, State> {
     }
   }
 
+  private writeStats(what: string) {
+    const w: any = window
+    if (!w.stats) {
+      w.stats = {}
+    }
+    if (!w.stats[what]) {
+      w.stats[what] = 0
+    }
+    w.stats[what] += 1
+  }
+
   public componentDidMount() {
     const { treeNode } = this.props
+    this.addSubscriber(treeNode)
+  }
+
+  private addSubscriber(treeNode: q.TreeNode) {
+    this.writeStats('subscribe')
     treeNode.onMerge.subscribe(this.subnodesDidchange)
     treeNode.onEdgesChange.subscribe(this.edgesDidChange)
     treeNode.onMessage.subscribe(this.messageDidChange)
   }
 
+  private removeSubscriber(treeNode: q.TreeNode) {
+    this.writeStats('unsubscribe')
+    treeNode.onMerge.unsubscribe(this.subnodesDidchange)
+    treeNode.onEdgesChange.unsubscribe(this.edgesDidChange)
+    treeNode.onMessage.unsubscribe(this.messageDidChange)
+  }
+
+  public componentWillReceiveProps(nextProps: Props) {
+    if (nextProps.treeNode !== this.props.treeNode) {
+      this.removeSubscriber(this.props.treeNode)
+      this.addSubscriber(nextProps.treeNode)
+    }
+  }
+
   public componentWillUnmount() {
+    this.writeStats('unsubscribe')
+
     const { treeNode } = this.props
     treeNode.onMerge.unsubscribe(this.subnodesDidchange)
     treeNode.onEdgesChange.unsubscribe(this.edgesDidChange)
     treeNode.onMessage.unsubscribe(this.messageDidChange)
+    this.topicSelectRef = undefined
+    this.titleRef = undefined
   }
 
   private stateHasChanged(newState: State) {
@@ -189,20 +223,20 @@ class TreeNode extends React.Component<Props, State> {
 
   private mouseOver = (event: React.MouseEvent) => {
     event.stopPropagation()
-    if (this.topicSelectRef.current) {
+    if (this.topicSelectRef && this.topicSelectRef.current) {
       this.topicSelectRef.current.style.opacity = '1'
     }
   }
   private mouseOut = (event: React.MouseEvent) => {
     event.stopPropagation()
-    if (this.topicSelectRef.current) {
+    if (this.topicSelectRef && this.topicSelectRef.current) {
       this.topicSelectRef.current.style.opacity = '0'
     }
   }
 
   private didSelectNode = (event: React.MouseEvent) => {
     event.stopPropagation()
-    if (this.topicSelectRef.current) {
+    if (this.topicSelectRef && this.topicSelectRef.current) {
       this.topicSelectRef.current.style.opacity = '1'
     }
     this.props.actions.selectTopic(this.props.treeNode)

app/src/components/Tree/TreeNodeSubnodes.tsx

@@ -2,7 +2,6 @@ import * as React from 'react'
 import * as q from '../../../../backend/src/Model'
 
 import { AppState } from '../../reducers'
-import { Theme, withTheme } from '@material-ui/core/styles'
 
 import TreeNode from './TreeNode'
 import { connect } from 'react-redux'
@@ -14,9 +13,9 @@ export interface Props {
   animateChanges: boolean
   treeNode: q.TreeNode
   autoExpandLimit: number
+  filter?: string
   collapsed?: boolean | undefined
   didSelectNode?: (node: q.TreeNode) => void
-  theme: Theme
 }
 
 interface State {
@@ -76,7 +75,7 @@ class TreeNodeSubnodes extends React.Component<Props, State> {
 
     const nodes = this.sortedNodes().slice(0, this.state.alreadyAdded)
     const listItems = nodes.map(node => (
-        <div key={node.hash()}>
+      <div key={`${node.hash()}-${this.props.filter}`}>
         <TreeNode
           animateChages={this.props.animateChanges}
           treeNode={node}
@@ -97,7 +96,8 @@ class TreeNodeSubnodes extends React.Component<Props, State> {
 const mapStateToProps = (state: AppState) => {
   return {
     topicOrder: state.settings.topicOrder,
+    filter: state.tree.filter,
   }
 }
 
-export default withTheme()(connect(mapStateToProps)(TreeNodeSubnodes))
+export default connect(mapStateToProps)(TreeNodeSubnodes)

app/src/components/Tree/TreeNodeTitle.tsx

@@ -3,23 +3,20 @@ import { connect } from 'react-redux'
 import { bindActionCreators } from 'redux'
 import { treeActions } from '../../actions'
 import * as q from '../../../../backend/src/Model'
-import { withTheme, Theme } from '@material-ui/core/styles'
 
 export interface TreeNodeProps extends React.HTMLAttributes<HTMLElement> {
   treeNode: q.TreeNode
   actions: any
   name?: string | undefined
   collapsed?: boolean | undefined
-  theme: Theme
   lastUpdate: number
 }
 
 class TreeNodeTitle extends React.Component<TreeNodeProps, {}> {
   private getStyles() {
-    const { theme } = this.props
     return {
       collapsedSubnodes: {
-        color: theme.palette.text.secondary,
+        color: 'white', // theme.palette.text.secondary,
       },
       container: {
         display: 'block',
@@ -97,4 +94,4 @@ const mapDispatchToProps = (dispatch: any) => {
   }
 }
 
-export default withTheme()(connect(null, mapDispatchToProps)(TreeNodeTitle))
+export default connect(null, mapDispatchToProps)(TreeNodeTitle)

app/src/reducers/Theme.ts

@@ -0,0 +1,11 @@
+import { createReducer } from './lib'
+import { createMuiTheme, Theme } from '@material-ui/core'
+
+const initialState: Theme = createMuiTheme({
+  palette: {
+    type: 'dark',
+  },
+  typography: { useNextVariants: true },
+})
+
+export const theme = createReducer(initialState, {})

app/src/reducers/index.ts

@@ -7,6 +7,7 @@ import { PublishState, publishReducer } from './Publish'
 import { ConnectionState, connectionReducer } from './Connection'
 import { SettingsState, settingsReducer } from './Settings'
 import { TreeState, treeReducer } from './Tree'
+import { theme } from './theme'
 
 export enum ActionTypes {
   showUpdateNotification = 'SHOW_UPDATE_NOTIFICATION',
@@ -64,6 +65,7 @@ const tooBigReducer: Reducer<TooBigOfState | undefined, CustomAction> = (state =
 }
 
 const reducer = combineReducers({
+  theme,
   tooBigReducer,
   publish: publishReducer,
   connection: connectionReducer,

backend/src/Model/Edge.ts

@@ -18,7 +18,14 @@ export class Edge implements Hashable {
 
   public hash(): string {
     if (!this.cachedHash) {
-      const previousHash = (this.source && this.source.sourceEdge) ? this.source.sourceEdge.hash() : ''
+      let previousHash
+      if (this.source && this.source.sourceEdge) {
+        previousHash = this.source.sourceEdge.hash()
+      } else {
+        // Use the tree hash to distinguish between different trees
+        previousHash = this.source && this.source.isTree ? (this.source as any).hash() : ''
+      }
+
       this.cachedHash = `H${sha1(previousHash + this.name)}`
     }
 

backend/src/Model/Tree.ts

@@ -3,27 +3,45 @@ import { EventBusInterface, makeConnectionMessageEvent, MqttMessage } from '../.
 import { TreeNodeFactory } from './TreeNodeFactory'
 
 export class Tree extends TreeNode {
-  private connectionId?: string
+  public connectionId?: string
-  private updateSource?: EventBusInterface
+  public updateSource?: EventBusInterface
+  public nodeFilter?: (node: TreeNode) => boolean
+  private subscriptionEvent?: any
+  public isTree = true
+  private cachedHash = `${Math.random()}`
+
   constructor() {
     super(undefined, undefined)
   }
 
-  public updateWithConnection(emitter: EventBusInterface, connectionId: string) {
+  public updateWithConnection(emitter: EventBusInterface, connectionId: string, nodeFilter?:(node: TreeNode) => boolean) {
     this.updateSource = emitter
-    this.updateSource.subscribe(makeConnectionMessageEvent(connectionId), this.handleNewData)
+    this.connectionId = connectionId
+    this.nodeFilter = nodeFilter
+
+    this.subscriptionEvent = makeConnectionMessageEvent(connectionId)
+    this.updateSource.subscribe(this.subscriptionEvent, this.handleNewData)
+  }
+
+  public hash() {
+    return this.cachedHash
   }
 
   private handleNewData = (msg: MqttMessage) => {
     const edges = msg.topic.split('/')
     const node = TreeNodeFactory.fromEdgesAndValue(edges, msg.payload)
     node.mqttMessage = msg
+
+    if (this.nodeFilter && !this.nodeFilter(node)) {
+      return
+    }
     this.updateWithNode(node.firstNode())
   }
 
   public stopUpdating() {
-    if (this.updateSource && this.connectionId) {
+    if (this.subscriptionEvent && this.updateSource) {
-      this.updateSource.unsubscribeAll(makeConnectionMessageEvent(this.connectionId))
+      console.log(this.updateSource.ipc)
+      this.updateSource.unsubscribe(this.subscriptionEvent, this.handleNewData)
     }
   }
 }

backend/src/Model/TreeNode.ts

@@ -13,6 +13,7 @@ export class TreeNode {
   public onMerge = new EventDispatcher<void, TreeNode>(this)
   public onEdgesChange = new EventDispatcher<void, TreeNode>(this)
   public onMessage = new EventDispatcher<Message, TreeNode>(this)
+  public isTree = false
   private cachedLeafes?: TreeNode[]
   private cachedLeafMessageCount?: number
 

events/EventBus.ts

@@ -6,6 +6,12 @@ export interface EventBusInterface {
   subscribe<MessageType>(event: Event<MessageType>, callback:(msg: MessageType) => void): void
   unsubscribeAll<MessageType>(event: Event<MessageType>): void
   emit<MessageType>(event: Event<MessageType>, msg: MessageType): void
+  unsubscribe<MessageType>(event: Event<MessageType>, callback: any): void
+}
+
+interface CallbackStore {
+  wrappedCallback: any
+  callback: any
 }
 
 class IpcMainEventBus implements EventBusInterface {
@@ -27,6 +33,10 @@ class IpcMainEventBus implements EventBusInterface {
     this.ipc.removeAllListeners(event.topic)
   }
 
+  public unsubscribe<MessageType>(event: Event<MessageType>, callback: any) {
+    throw new Error('Not implemented') // Todo: implement
+  }
+
   public emit<MessageType>(event: Event<MessageType>, msg: MessageType) {
     if (!this.client.isDestroyed()) {
       this.client.send(event.topic, msg)
@@ -36,18 +46,40 @@ class IpcMainEventBus implements EventBusInterface {
 
 class IpcRendererEventBus implements EventBusInterface {
   private ipc: IpcRenderer
+  private callbacks: CallbackStore[] = []
+
   constructor(ipc: IpcRenderer) {
     this.ipc = ipc
   }
 
   public subscribe<MessageType>(event: Event<MessageType>, callback:(msg: MessageType) => void) {
-    this.ipc.on(event.topic, (_event: any, arg: any) => callback(arg))
+    const wrappedCallback = (_event: any, arg: any) => {
+      callback(arg)
+    }
+
+    this.ipc.on(event.topic, wrappedCallback)
+
+    this.callbacks.push({
+      callback,
+      wrappedCallback,
+    })
   }
 
   public unsubscribeAll<MessageType>(event: Event<MessageType>) {
     this.ipc.removeAllListeners(event.topic)
   }
 
+  public unsubscribe<MessageType>(event: Event<MessageType>, callback: any) {
+    debugger
+    const item = this.callbacks.find(store => store.callback === callback)
+    if (!item) {
+      return
+    }
+
+    this.ipc.removeListener(event.topic, item.wrappedCallback)
+    this.callbacks = this.callbacks.filter(a => a !== item)
+  }
+
   public emit<MessageType>(event: Event<MessageType>, msg: MessageType) {
     this.ipc.send(event.topic, msg)
   }