Canvas: Fix references for ResourcePicker (#95580)

* useRef instead of create ref for functional components, pass function to close popper if needed

* Cleanup, hide on save as well

* add comment about when hidePopper is available to content

packages/grafana-ui/src/components/Tooltip/Popover.tsx

@@ -24,6 +24,7 @@ interface Props extends Omit<React.HTMLAttributes<HTMLDivElement>, 'content'> {
   referenceElement: HTMLElement;
   wrapperClassName?: string;
   renderArrow?: boolean;
+  hidePopper?: () => void;
 }
 
 export function Popover({
@@ -34,6 +35,7 @@ export function Popover({
   wrapperClassName,
   referenceElement,
   renderArrow,
+  hidePopper,
   ...rest
 }: Props) {
   const theme = useTheme2();
@@ -95,7 +97,7 @@ export function Popover({
           {renderArrow && <FloatingArrow fill={theme.colors.border.weak} ref={arrowRef} context={context} />}
           {typeof content === 'string' && content}
           {React.isValidElement(content) && React.cloneElement(content)}
-          {typeof content === 'function' && content({})}
+          {typeof content === 'function' && content({ hidePopper })}
         </div>
       </div>
     </Portal>

packages/grafana-ui/src/components/Tooltip/types.ts

@@ -7,8 +7,11 @@ export interface PopoverContentProps {
    * It will be removed in a future release.
    */
   updatePopperPosition?: () => void;
+
+  hidePopper?: () => void;
 }
 
+// hidePopper is only available to popover content when it is passed as a function
 export type PopoverContent = string | React.ReactElement | ((props: PopoverContentProps) => JSX.Element);
 
 export type TooltipPlacement = Placement | 'auto' | 'auto-start' | 'auto-end';

public/app/features/dimensions/editors/ResourcePicker.tsx

@@ -1,5 +1,5 @@
 import { css } from '@emotion/css';
-import { createRef } from 'react';
+import { useRef } from 'react';
 import * as React from 'react';
 
 import { GrafanaTheme2 } from '@grafana/data';
@@ -42,16 +42,19 @@ export const ResourcePicker = (props: Props) => {
   const styles = useStyles2(getStyles);
   const theme = useTheme2();
 
-  const pickerTriggerRef = createRef<HTMLDivElement>();
+  const pickerTriggerRef = useRef<HTMLDivElement>(null);
-  const popoverElement = (
+  const popoverElement = (props: { hidePopper?: () => void }) => {
+    return (
       <ResourcePickerPopover
         onChange={onChange}
         value={value}
         mediaType={mediaType}
         folderName={folderName}
         maxFiles={maxFiles}
+        hidePopper={props.hidePopper}
       />
     );
+  };
 
   let sanitizedSrc = src;
   if (!sanitizedSrc && value) {
@@ -101,6 +104,7 @@ export const ResourcePicker = (props: Props) => {
                 onKeyDown={(event) => {
                   closePopover(event, hidePopper);
                 }}
+                hidePopper={hidePopper}
               />
             )}
 

public/app/features/dimensions/editors/ResourcePickerPopover.tsx

@@ -2,7 +2,7 @@ import { css } from '@emotion/css';
 import { useDialog } from '@react-aria/dialog';
 import { FocusScope } from '@react-aria/focus';
 import { useOverlay } from '@react-aria/overlays';
-import { createRef, useState } from 'react';
+import { useRef, useState } from 'react';
 
 import { GrafanaTheme2 } from '@grafana/data';
 import { getBackendSrv } from '@grafana/runtime';
@@ -21,20 +21,22 @@ interface Props {
   mediaType: MediaType;
   folderName: ResourceFolderName;
   maxFiles?: number;
+  hidePopper?: () => void;
 }
 
 interface ErrorResponse {
   message: string;
 }
 export const ResourcePickerPopover = (props: Props) => {
-  const { value, onChange, mediaType, folderName, maxFiles } = props;
+  const { value, onChange, mediaType, folderName, maxFiles, hidePopper } = props;
   const styles = useStyles2(getStyles);
 
   const onClose = () => {
     onChange(value);
+    hidePopper?.();
   };
 
-  const ref = createRef<HTMLElement>();
+  const ref = useRef<HTMLElement>(null);
   const { dialogProps } = useDialog({}, ref);
   const { overlayProps } = useOverlay({ onClose, isDismissable: true, isOpen: true }, ref);
 
@@ -124,11 +126,13 @@ export const ResourcePickerPopover = (props: Props) => {
                         getBackendSrv()
                           .get(`api/storage/read/${data.path}`)
                           .then(() => setNewValue(`${config.appUrl}api/storage/read/${data.path}`))
-                          .then(() => onChange(`${config.appUrl}api/storage/read/${data.path}`));
+                          .then(() => onChange(`${config.appUrl}api/storage/read/${data.path}`))
+                          .then(() => hidePopper?.());
                       })
                       .catch((err) => console.error(err));
                   } else {
                     onChange(newValue);
+                    hidePopper?.();
                   }
                 }}
               >