Canvas: Position inline editor default via panel dimensions and add context menu option (#51471)

Co-authored-by: nmarrs <nathanielmarrs@gmail.com>

public/app/features/canvas/runtime/scene.tsx

@@ -63,6 +63,8 @@ export class Scene {
 
   isPanelEditing = locationService.getSearchObject().editPanel !== undefined;
 
+  inlineEditingCallback?: () => void;
+
   constructor(cfg: CanvasFrameOptions, enableEditing: boolean, public onSave: (cfg: CanvasFrameOptions) => void) {
     this.root = this.load(cfg, enableEditing);
   }

public/app/plugins/panel/canvas/CanvasContextMenu.tsx

@@ -1,11 +1,13 @@
 import { css } from '@emotion/css';
 import React, { useCallback, useEffect, useState } from 'react';
+import { useObservable } from 'react-use';
 import { first } from 'rxjs/operators';
 
 import { ContextMenu, MenuItem } from '@grafana/ui';
 
 import { Scene } from '../../../features/canvas/runtime/scene';
 
+import { activePanelSubject } from './CanvasPanel';
 import { LayerActionID } from './types';
 
 type Props = {
@@ -18,6 +20,8 @@ type AnchorPoint = {
 };
 
 export const CanvasContextMenu = ({ scene }: Props) => {
+  const activePanel = useObservable(activePanelSubject);
+  const inlineEditorOpen = activePanel?.panel.state.openInlineEdit;
   const [isMenuVisible, setIsMenuVisible] = useState<boolean>(false);
   const [anchorPoint, setAnchorPoint] = useState<AnchorPoint>({ x: 0, y: 0 });
 
@@ -87,6 +91,20 @@ export const CanvasContextMenu = ({ scene }: Props) => {
           }}
           className={styles.menuItem}
         />
+        <MenuItem
+          label={inlineEditorOpen ? 'Close Editor' : 'Open Editor'}
+          onClick={() => {
+            if (scene.inlineEditingCallback) {
+              if (inlineEditorOpen) {
+                activePanel.panel.inlineEditButtonClose();
+              } else {
+                scene.inlineEditingCallback();
+              }
+            }
+            closeContextMenu();
+          }}
+          className={styles.menuItem}
+        />
       </>
     );
   };

public/app/plugins/panel/canvas/CanvasPanel.tsx

@@ -57,6 +57,7 @@ export class CanvasPanel extends Component<Props, State> {
     this.scene = new Scene(this.props.options.root, this.props.options.inlineEditing, this.onUpdateScene);
     this.scene.updateSize(props.width, props.height);
     this.scene.updateData(props.data);
+    this.scene.inlineEditingCallback = this.inlineEditButtonClick;
 
     this.subs.add(
       this.props.eventBus.subscribe(PanelEditEnteredEvent, (evt) => {
@@ -192,7 +193,9 @@ export class CanvasPanel extends Component<Props, State> {
   };
 
   renderInlineEdit = () => {
-    return <InlineEdit onClose={() => this.inlineEditButtonClose()} />;
+    return (
+      <InlineEdit onClose={() => this.inlineEditButtonClose()} id={this.props.id} scene={activeCanvasPanel!.scene} />
+    );
   };
 
   render() {

public/app/plugins/panel/canvas/InlineEdit.tsx

@@ -1,29 +1,35 @@
 import { css } from '@emotion/css';
-import React, { SyntheticEvent, useRef, useState } from 'react';
+import React, { SyntheticEvent, useEffect, useRef, useState } from 'react';
 import Draggable from 'react-draggable';
 import { Resizable, ResizeCallbackData } from 'react-resizable';
 
 import { Dimensions2D, GrafanaTheme2 } from '@grafana/data';
 import { IconButton, Portal, useStyles2 } from '@grafana/ui';
 import store from 'app/core/store';
+import { Scene } from 'app/features/canvas/runtime/scene';
 
 import { InlineEditBody } from './InlineEditBody';
 
 type Props = {
   onClose?: () => void;
+  id: number;
+  scene: Scene;
 };
 
-const OFFSET_X = 70;
+const OFFSET_X = 10;
+const OFFSET_Y = 32;
 
-export const InlineEdit = ({ onClose }: Props) => {
-  const btnInlineEdit = document.querySelector('[data-btninlineedit]')!.getBoundingClientRect();
+export const InlineEdit = ({ onClose, id, scene }: Props) => {
+  const root = scene.root.div!.getBoundingClientRect();
+  const windowHeight = window.innerHeight;
+  const windowWidth = window.innerWidth;
   const ref = useRef<HTMLDivElement>(null);
   const styles = useStyles2(getStyles);
-  const inlineEditKey = 'inlineEditPanel';
+  const inlineEditKey = 'inlineEditPanel' + id.toString();
 
   const defaultMeasurements = { width: 350, height: 400 };
-  const defaultX = btnInlineEdit.x + OFFSET_X;
-  const defaultY = btnInlineEdit.y - defaultMeasurements.height;
+  const defaultX = root.x + root.width - defaultMeasurements.width - OFFSET_X;
+  const defaultY = root.y + OFFSET_Y;
 
   const savedPlacement = store.getObject(inlineEditKey, {
     x: defaultX,
@@ -34,6 +40,18 @@ export const InlineEdit = ({ onClose }: Props) => {
   const [measurements, setMeasurements] = useState<Dimensions2D>({ width: savedPlacement.w, height: savedPlacement.h });
   const [placement, setPlacement] = useState({ x: savedPlacement.x, y: savedPlacement.y });
 
+  // Checks that placement is within browser window
+  useEffect(() => {
+    const minX = windowWidth - measurements.width - OFFSET_X;
+    const minY = windowHeight - measurements.height - OFFSET_Y;
+    if (minX < placement.x && minX > 0) {
+      setPlacement({ ...placement, x: minX });
+    }
+    if (minY < placement.y && minY > 0) {
+      setPlacement({ ...placement, y: minY });
+    }
+  }, [windowHeight, windowWidth, placement, measurements]);
+
   const onDragStop = (event: any, dragElement: any) => {
     let x = dragElement.x < 0 ? 0 : dragElement.x;
     let y = dragElement.y < 0 ? 0 : dragElement.y;