Open/close chart panel automatically

app/src/components/Layout/ContentView.tsx

@@ -1,17 +1,51 @@
 import * as React from 'react'
+import ChartPanel from '../ChartPanel'
 import ReactSplitPane from 'react-split-pane'
 import Tree from '../Tree/Tree'
-import ChartPanel from '../ChartPanel'
+import { AppState } from '../../reducers'
+import { ChartParameters } from '../../reducers/Charts'
+import { connect } from 'react-redux'
+import { List } from 'immutable'
 import { Sidebar } from '../Sidebar'
+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 [detectedHeight, setDetectedHeight] = React.useState(0)
+  const [chatPanelItemCount, setChartPanelItemCount] = React.useState(props.chartPanelItems.count())
+  const detectSize = React.useCallback((width, height) => {
+    console.log(width, height)
+    setDetectedHeight(height)
+  }, [])
+
+  // Open chart panel on start and when a new chart is added but the panel is closed
+  React.useEffect(() => {
+    const almostAtFullHeight = !isNaN(height as any) && Math.abs(detectedHeight - (height as number)) < 20
+    if ((!height || height === '100%' || almostAtFullHeight) && props.chartPanelItems.count() > 0) {
+      setHeight('calc(100% - 250px)')
+    }
+
+    if (props.chartPanelItems.count() === 0) {
+      setHeight('100%')
+    }
+
+    setChartPanelItemCount(props.chartPanelItems.count())
+  }, [props.chartPanelItems])
 
-export default function ContentView(props: { heightProperty: any; paneDefaults: any; connectionId: any }) {
-  const [height, setHeight] = React.useState(0)
   return (
     <div className={props.paneDefaults}>
       <ReactSplitPane
         step={10}
         split="horizontal"
         minSize={0}
+        size={height}
         defaultSize={'100%'}
         allowResize={true}
         style={{ height: 'calc(100vh - 64px)' }}
@@ -19,6 +53,9 @@ export default function ContentView(props: { heightProperty: any; paneDefaults:
         pane2Style={{ maxWidth: '100%', overflow: 'hidden auto' }}
         onChange={setHeight}
       >
+        <span>
+          <ReactResizeDetector handleHeight={true} onResize={detectSize} />
+
           <ReactSplitPane
             step={20}
             primary="second"
@@ -36,8 +73,17 @@ export default function ContentView(props: { heightProperty: any; paneDefaults:
               <Sidebar connectionId={props.connectionId} />
             </div>
           </ReactSplitPane>
+        </span>
         <ChartPanel />
       </ReactSplitPane>
     </div>
   )
 }
+
+const mapStateToProps = (state: AppState) => {
+  return {
+    chartPanelItems: state.charts.get('charts'),
+  }
+}
+
+export default connect(mapStateToProps)(ContentView)

app/src/components/Sidebar/CodeDiff/ChartPreview.tsx

@@ -26,6 +26,7 @@ function ChartPreview(props: Props) {
       topic: props.treeNode.path(),
       dotPath: props.literal.path,
     })
+    setOpen(false)
   }, [props.literal.path, props.treeNode])
 
   const mouseOver = React.useCallback(() => {