[TreeView] Remove instance.getTreeItemIdAttribute

packages/x-tree-view/src/TreeItem/TreeItem.tsx

@@ -29,6 +29,7 @@ import { TreeViewItemDepthContext } from '../internals/TreeViewItemDepthContext'
 import { useTreeItemState } from './useTreeItemState';
 import { isTargetInDescendants } from '../internals/utils/tree';
 import { TreeViewItemPluginSlotPropsEnhancerParams } from '../internals/models';
+import { generateTreeItemIdAttribute } from '../internals/corePlugins/useTreeViewId/useTreeViewId.utils';
 
 const useThemeProps = createUseThemeProps('MuiTreeItem');
 
@@ -199,6 +200,7 @@ export const TreeItem = React.forwardRef(function TreeItem(
     items: { disabledItemsFocusable, indentationAtItemLevel },
     selection: { multiSelect },
     expansion: { expansionTrigger },
+    treeId,
     instance,
   } = useTreeViewContext<TreeItemMinimalPlugins, TreeItemOptionalPlugins>();
   const depthContext = React.useContext(TreeViewItemDepthContext);
@@ -382,7 +384,7 @@ export const TreeItem = React.forwardRef(function TreeItem(
     instance.handleItemKeyDown(event, itemId);
   };
 
-  const idAttribute = instance.getTreeItemIdAttribute(itemId, id);
+  const idAttribute = generateTreeItemIdAttribute({ itemId, treeId, id });
   const tabIndex = instance.canItemBeTabbed(itemId) ? 0 : -1;
 
   const sharedPropsEnhancerParams: Omit<

packages/x-tree-view/src/internals/TreeViewProvider/TreeViewChildrenItemProvider.tsx

@@ -4,6 +4,7 @@ import { useTreeViewContext } from './useTreeViewContext';
 import { escapeOperandAttributeSelector } from '../utils/utils';
 import type { UseTreeViewJSXItemsSignature } from '../plugins/useTreeViewJSXItems';
 import type { UseTreeViewItemsSignature } from '../plugins/useTreeViewItems';
+import { generateTreeItemIdAttribute } from '../corePlugins/useTreeViewId/useTreeViewId.utils';
 
 export const TreeViewChildrenItemContext =
   React.createContext<TreeViewChildrenItemContextValue | null>(null);
@@ -20,7 +21,7 @@ interface TreeViewChildrenItemProviderProps {
 export function TreeViewChildrenItemProvider(props: TreeViewChildrenItemProviderProps) {
   const { children, itemId = null } = props;
 
-  const { instance, rootRef } =
+  const { instance, treeId, rootRef } =
     useTreeViewContext<[UseTreeViewJSXItemsSignature, UseTreeViewItemsSignature]>();
   const childrenIdAttrToIdRef = React.useRef<Map<string, string>>(new Map());
 
@@ -36,7 +37,7 @@ export function TreeViewChildrenItemProvider(props: TreeViewChildrenItemProvider
       // Undefined during 1st render
       const itemMeta = instance.getItemMeta(itemId);
       if (itemMeta !== undefined) {
-        idAttr = instance.getTreeItemIdAttribute(itemId, itemMeta.idAttribute);
+        idAttr = generateTreeItemIdAttribute({ itemId, treeId, id: itemMeta.idAttribute });
       }
     }
 

packages/x-tree-view/src/internals/TreeViewProvider/TreeViewProvider.tsx

@@ -15,7 +15,7 @@ export function TreeViewProvider<TSignatures extends readonly TreeViewAnyPluginS
 
   return (
     <TreeViewContext.Provider value={value}>
-      {value.wrapRoot({ children })}
+      {value.wrapRoot({ children, instance: value.instance })}
     </TreeViewContext.Provider>
   );
 }

packages/x-tree-view/src/internals/TreeViewProvider/TreeViewProvider.types.ts

@@ -8,6 +8,7 @@ import {
   TreeViewItemPluginResponse,
   TreeViewPublicAPI,
 } from '../models';
+import { TreeViewCorePluginSignatures } from '../corePlugins';
 
 export type TreeViewItemPluginsRunner = <TProps extends {}>(
   props: TProps,
@@ -16,7 +17,7 @@ export type TreeViewItemPluginsRunner = <TProps extends {}>(
 export type TreeViewContextValue<
   TSignatures extends readonly TreeViewAnyPluginSignature[],
   TOptionalSignatures extends readonly TreeViewAnyPluginSignature[] = [],
-> = MergeSignaturesProperty<TSignatures, 'contextValue'> &
+> = MergeSignaturesProperty<[...TreeViewCorePluginSignatures, ...TSignatures], 'contextValue'> &
   Partial<MergeSignaturesProperty<TOptionalSignatures, 'contextValue'>> & {
     instance: TreeViewInstance<TSignatures, TOptionalSignatures>;
     publicAPI: TreeViewPublicAPI<TSignatures, TOptionalSignatures>;

packages/x-tree-view/src/internals/corePlugins/useTreeViewId/useTreeViewId.ts

@@ -1,26 +1,40 @@
 import * as React from 'react';
-import useId from '@mui/utils/useId';
 import { TreeViewPlugin } from '../../models';
 import { UseTreeViewIdSignature } from './useTreeViewId.types';
+import { createTreeViewDefaultId } from './useTreeViewId.utils';
 
-export const useTreeViewId: TreeViewPlugin<UseTreeViewIdSignature> = ({ params }) => {
-  const treeId = useId(params.id);
+export const useTreeViewId: TreeViewPlugin<UseTreeViewIdSignature> = ({
+  params,
+  state,
+  setState,
+}) => {
+  const treeId = state.id.treeId;
 
-  const getTreeItemIdAttribute = React.useCallback(
-    (itemId: string, idAttribute: string | undefined) => idAttribute ?? `${treeId}-${itemId}`,
-    [treeId],
-  );
+  React.useEffect(() => {
+    setState((prevState) => {
+      if (prevState.id.treeId === params.id) {
+        return prevState;
+      }
+
+      return {
+        ...prevState,
+        id: { ...prevState.id, treeId: params.id ?? createTreeViewDefaultId() },
+      };
+    });
+  }, [setState, params.id]);
 
   return {
     getRootProps: () => ({
       id: treeId,
     }),
-    instance: {
-      getTreeItemIdAttribute,
+    contextValue: {
+      treeId,
     },
   };
 };
 
 useTreeViewId.params = {
   id: true,
 };
+
+useTreeViewId.getInitialState = ({ id }) => ({ id: { treeId: id ?? createTreeViewDefaultId() } });

packages/x-tree-view/src/internals/corePlugins/useTreeViewId/useTreeViewId.types.ts

@@ -1,17 +1,4 @@
 import { TreeViewPluginSignature } from '../../models';
-import { TreeViewItemId } from '../../../models';
-
-export interface UseTreeViewIdInstance {
-  /**
-   * Get the id attribute (i.e.: the `id` attribute passed to the DOM element) of a tree item.
-   * If the user explicitly defined an id attribute, it will be returned.
-   * Otherwise, the method created a unique id for the item based on the Tree View id attribute and the item `itemId`
-   * @param {TreeViewItemId} itemId The id of the item to get the id attribute of.
-   * @param {string | undefined} idAttribute The id attribute of the item if explicitly defined by the user.
-   * @returns {string} The id attribute of the item.
-   */
-  getTreeItemIdAttribute: (itemId: TreeViewItemId, idAttribute: string | undefined) => string;
-}
 
 export interface UseTreeViewIdParameters {
   /**
@@ -23,8 +10,19 @@ export interface UseTreeViewIdParameters {
 
 export type UseTreeViewIdDefaultizedParameters = UseTreeViewIdParameters;
 
+export interface UseTreeViewIdState {
+  id: {
+    treeId: string;
+  };
+}
+
+interface UseTreeViewIdContextValue {
+  treeId: string | undefined;
+}
+
 export type UseTreeViewIdSignature = TreeViewPluginSignature<{
   params: UseTreeViewIdParameters;
   defaultizedParams: UseTreeViewIdDefaultizedParameters;
-  instance: UseTreeViewIdInstance;
+  state: UseTreeViewIdState;
+  contextValue: UseTreeViewIdContextValue;
 }>;

packages/x-tree-view/src/internals/corePlugins/useTreeViewId/useTreeViewId.utils.ts

@@ -0,0 +1,33 @@
+import { TreeViewItemId } from '../../../models';
+
+let globalTreeViewDefaultId = 0;
+export const createTreeViewDefaultId = () => {
+  globalTreeViewDefaultId += 1;
+  return `mui-tree-view-${globalTreeViewDefaultId}`;
+};
+
+/**
+ * Generate the id attribute (i.e.: the `id` attribute passed to the DOM element) of a tree item.
+ * If the user explicitly defined an id attribute, it will be returned.
+ * Otherwise, the method creates a unique id for the item based on the Tree View id attribute and the item `itemId`
+ * @param {object} params The parameters to determine the id attribute of the item.
+ * @param {TreeViewItemId} params.itemId The id of the item to get the id attribute of.
+ * @param {string | undefined} params.idAttribute The id attribute of the item if explicitly defined by the user.
+ * @param {string} params.treeId The id attribute of the Tree View.
+ * @returns {string} The id attribute of the item.
+ */
+export const generateTreeItemIdAttribute = ({
+  id,
+  treeId = '',
+  itemId,
+}: {
+  id: TreeViewItemId | undefined;
+  treeId: string | undefined;
+  itemId: string;
+}): string => {
+  if (id != null) {
+    return id;
+  }
+
+  return `${treeId}-${itemId}`;
+};

packages/x-tree-view/src/internals/plugins/useTreeViewFocus/useTreeViewFocus.ts

@@ -91,10 +91,7 @@ export const useTreeViewFocus: TreeViewPlugin<UseTreeViewFocusSignature> = ({
 
     const itemMeta = instance.getItemMeta(state.focusedItemId);
     if (itemMeta) {
-      const itemElement = document.getElementById(
-        instance.getTreeItemIdAttribute(state.focusedItemId, itemMeta.idAttribute),
-      );
-
+      const itemElement = instance.getItemDOMElement(state.focusedItemId);
       if (itemElement) {
         itemElement.blur();
       }

packages/x-tree-view/src/internals/plugins/useTreeViewItems/useTreeViewItems.tsx

@@ -9,6 +9,7 @@ import { publishTreeViewEvent } from '../../utils/publishTreeViewEvent';
 import { TreeViewBaseItem, TreeViewItemId } from '../../../models';
 import { buildSiblingIndexes, TREE_VIEW_ROOT_PARENT_ID } from './useTreeViewItems.utils';
 import { TreeViewItemDepthContext } from '../../TreeViewItemDepthContext';
+import { generateTreeItemIdAttribute } from '../../corePlugins/useTreeViewId/useTreeViewId.utils';
 
 interface UpdateNodesStateParameters
   extends Pick<
@@ -180,7 +181,9 @@ export const useTreeViewItems: TreeViewPlugin<UseTreeViewItemsSignature> = ({
       return null;
     }
 
-    return document.getElementById(instance.getTreeItemIdAttribute(itemId, itemMeta.idAttribute));
+    return document.getElementById(
+      generateTreeItemIdAttribute({ treeId: state.id.treeId, itemId, id: itemMeta.idAttribute }),
+    );
   };
 
   const isItemNavigable = (itemId: string) => {

packages/x-tree-view/src/internals/plugins/useTreeViewJSXItems/useTreeViewJSXItems.tsx

@@ -17,6 +17,7 @@ import {
 import type { TreeItemProps } from '../../../TreeItem';
 import type { TreeItem2Props } from '../../../TreeItem2';
 import { TreeViewItemDepthContext } from '../../TreeViewItemDepthContext';
+import { generateTreeItemIdAttribute } from '../../corePlugins/useTreeViewId/useTreeViewId.utils';
 
 export const useTreeViewJSXItems: TreeViewPlugin<UseTreeViewJSXItemsSignature> = ({
   instance,
@@ -121,7 +122,7 @@ const useTreeViewJSXItemsItemPlugin: TreeViewItemPlugin<TreeItemProps | TreeItem
   rootRef,
   contentRef,
 }) => {
-  const { instance } = useTreeViewContext<[UseTreeViewJSXItemsSignature]>();
+  const { instance, treeId } = useTreeViewContext<[UseTreeViewJSXItemsSignature]>();
   const { children, disabled = false, label, itemId, id } = props;
 
   const parentContext = React.useContext(TreeViewChildrenItemContext);
@@ -142,13 +143,13 @@ const useTreeViewJSXItemsItemPlugin: TreeViewItemPlugin<TreeItemProps | TreeItem
 
   // Prevent any flashing
   useEnhancedEffect(() => {
-    const idAttributeWithDefault = instance.getTreeItemIdAttribute(itemId, id);
-    registerChild(idAttributeWithDefault, itemId);
+    const idAttribute = generateTreeItemIdAttribute({ itemId, treeId, id });
+    registerChild(idAttribute, itemId);
 
     return () => {
-      unregisterChild(idAttributeWithDefault);
+      unregisterChild(idAttribute);
     };
-  }, [instance, registerChild, unregisterChild, itemId, id]);
+  }, [registerChild, unregisterChild, itemId, id, treeId]);
 
   React.useEffect(() => {
     return instance.insertJSXItem({

packages/x-tree-view/src/useTreeItem2/useTreeItem2.ts

@@ -26,6 +26,7 @@ import {
 import { useTreeItem2Utils } from '../hooks/useTreeItem2Utils';
 import { TreeViewItemDepthContext } from '../internals/TreeViewItemDepthContext';
 import { isTargetInDescendants } from '../internals/utils/tree';
+import { generateTreeItemIdAttribute } from '../internals/corePlugins/useTreeViewId/useTreeViewId.utils';
 
 export const useTreeItem2 = <
   TSignatures extends UseTreeItem2MinimalPlugins = UseTreeItem2MinimalPlugins,
@@ -38,6 +39,7 @@ export const useTreeItem2 = <
     items: { onItemClick, disabledItemsFocusable, indentationAtItemLevel },
     selection: { multiSelect, disableSelection, checkboxSelection },
     expansion: { expansionTrigger },
+    treeId,
     instance,
     publicAPI,
   } = useTreeViewContext<TSignatures, TOptionalSignatures>();
@@ -49,10 +51,11 @@ export const useTreeItem2 = <
   const { interactions, status } = useTreeItem2Utils({ itemId, children });
   const rootRefObject = React.useRef<HTMLLIElement>(null);
   const contentRefObject = React.useRef<HTMLDivElement>(null);
-  const idAttribute = instance.getTreeItemIdAttribute(itemId, id);
   const handleRootRef = useForkRef(rootRef, pluginRootRef, rootRefObject)!;
   const handleContentRef = useForkRef(contentRef, contentRefObject)!;
   const checkboxRef = React.useRef<HTMLButtonElement>(null);
+
+  const idAttribute = generateTreeItemIdAttribute({ itemId, treeId, id });
   const rootTabIndex = instance.canItemBeTabbed(itemId) ? 0 : -1;
 
   const sharedPropsEnhancerParams: Omit<

test/utils/tree-view/fakeContextValue.ts

@@ -10,7 +10,6 @@ export const getFakeContextValue = (
     isItemFocused: () => false,
     isItemSelected: () => false,
     isItemDisabled: (itemId: string | null): itemId is string => !!itemId,
-    getTreeItemIdAttribute: () => '',
     mapFirstCharFromJSX: () => () => {},
     canItemBeTabbed: () => false,
   } as any,
@@ -43,6 +42,7 @@ export const getFakeContextValue = (
     checkboxSelection: features.checkboxSelection ?? false,
     disableSelection: false,
   },
+  treeId: 'mui-tree-view-1',
   rootRef: {
     current: null,
   },