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selection change event

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This commit is contained in:
Sandeep Somavarapu
2018-06-18 19:07:07 +02:00
parent a28cde1bf7
commit 5e0cd08dcb
2 changed files with 28 additions and 3 deletions
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14
src/vs/workbench/api/node/extHostTreeViews.ts
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@@ -17,6 +17,7 @@ import { ExtHostCommands, CommandsConverter } from 'vs/workbench/api/node/extHos
import { asWinJsPromise } from 'vs/base/common/async';
import { TreeItemCollapsibleState, ThemeIcon } from 'vs/workbench/api/node/extHostTypes';
import { isUndefinedOrNull } from 'vs/base/common/types';
import { equals } from 'vs/base/common/arrays';
type TreeItemHandle = string;
@@ -51,6 +52,7 @@ export class ExtHostTreeViews implements ExtHostTreeViewsShape {
return {
get onDidCollapseElement() { return treeView.onDidCollapseElement; },
get onDidExpandElement() { return treeView.onDidExpandElement; },
get onDidChangeSelection() { return treeView.onDidChangeSelection; },
get selection() { return treeView.selectedElements; },
reveal: (element: T, options?: { select?: boolean }): Thenable<void> => {
return treeView.reveal(element, options);
@@ -113,8 +115,8 @@ class ExtHostTreeView<T> extends Disposable {
private elements: Map<TreeItemHandle, T> = new Map<TreeItemHandle, T>();
private nodes: Map<T, TreeNode> = new Map<T, TreeNode>();
private _selectedElements: T[] = [];
get selectedElements(): T[] { return this._selectedElements; }
private _selectedHandles: TreeItemHandle[] = [];
get selectedElements(): T[] { return this._selectedHandles.map(handle => this.getExtensionElement(handle)).filter(element => !isUndefinedOrNull(element)); }
private _onDidExpandElement: Emitter<vscode.TreeViewExpansionEvent<T>> = this._register(new Emitter<vscode.TreeViewExpansionEvent<T>>());
readonly onDidExpandElement: Event<vscode.TreeViewExpansionEvent<T>> = this._onDidExpandElement.event;
@@ -122,6 +124,9 @@ class ExtHostTreeView<T> extends Disposable {
private _onDidCollapseElement: Emitter<vscode.TreeViewExpansionEvent<T>> = this._register(new Emitter<vscode.TreeViewExpansionEvent<T>>());
readonly onDidCollapseElement: Event<vscode.TreeViewExpansionEvent<T>> = this._onDidCollapseElement.event;
private _onDidChangeSelection: Emitter<vscode.TreeViewSelectionChangeEvent<T>> = this._register(new Emitter<vscode.TreeViewSelectionChangeEvent<T>>());
readonly onDidChangeSelection: Event<vscode.TreeViewSelectionChangeEvent<T>> = this._onDidChangeSelection.event;
private refreshPromise: TPromise<void> = TPromise.as(null);
constructor(private viewId: string, private dataProvider: vscode.TreeDataProvider<T>, private proxy: MainThreadTreeViewsShape, private commands: CommandsConverter) {
@@ -182,7 +187,10 @@ class ExtHostTreeView<T> extends Disposable {
}
setSelection(treeItemHandles: TreeItemHandle[]): void {
this._selectedElements = treeItemHandles.map(handle => this.getExtensionElement(handle)).filter(element => !isUndefinedOrNull(element));
if (!equals(this._selectedHandles, treeItemHandles)) {
this._selectedHandles = treeItemHandles;
this._onDidChangeSelection.fire({ selections: this.selectedElements });
}
}
private resolveUnknownParentChain(element: T): TPromise<TreeNode[]> {