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async data tree: 💄

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This commit is contained in:
Joao Moreno
2018-11-29 09:30:49 +01:00
parent afdbef0e23
commit 7ca0d1f45c
1 changed files with 12 additions and 13 deletions
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25
src/vs/base/browser/ui/tree/asyncDataTree.ts
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@@ -285,21 +285,20 @@ export class AsyncDataTree<T extends NonNullable<any>, TFilterData = void> imple
return this.tree.collapse(this.getDataNode(element));
}
expand(element: T): Thenable<boolean> {
async expand(element: T): Promise<boolean> {
const node = this.getDataNode(element);
if (!this.tree.isCollapsed(node)) {
return Promise.resolve(false);
}
if (node.element!.state === AsyncDataTreeNodeState.Uninitialized) {
const result = this.refreshNode(node, ChildrenResolutionReason.Expand);
this.tree.expand(node);
return result.then(() => true);
return false;
}
this.tree.expand(node);
return Promise.resolve(true);
if (node.element!.state === AsyncDataTreeNodeState.Uninitialized) {
await this.refreshNode(node, ChildrenResolutionReason.Expand);
}
return true;
}
toggleCollapsed(element: T): void {
@@ -432,7 +431,7 @@ export class AsyncDataTree<T extends NonNullable<any>, TFilterData = void> imple
const hasChildren = this.dataSource.hasChildren(node.element);
if (!hasChildren) {
this.setChildren(node === this.root ? null : node);
this.setChildren(node);
return Promise.resolve();
} else {
node.state = AsyncDataTreeNodeState.Loading;
@@ -465,7 +464,7 @@ export class AsyncDataTree<T extends NonNullable<any>, TFilterData = void> imple
};
const nodeChildren = children.map<ITreeElement<IAsyncDataTreeNode<T>>>(createTreeElement);
this.setChildren(node === this.root ? null : node, nodeChildren);
this.setChildren(node, nodeChildren);
this._onDidResolveChildren.fire({ element: node.element, reason });
}, err => {
slowTimeout.cancel();
@@ -487,7 +486,7 @@ export class AsyncDataTree<T extends NonNullable<any>, TFilterData = void> imple
}
}
private setChildren(element: IAsyncDataTreeNode<T> | null, children?: ISequence<ITreeElement<IAsyncDataTreeNode<T>>>): void {
private setChildren(element: IAsyncDataTreeNode<T>, children?: ISequence<ITreeElement<IAsyncDataTreeNode<T>>>): void {
const insertedElements = new Set<T>();
const onDidCreateNode = (node: ITreeNode<IAsyncDataTreeNode<T>, TFilterData>) => {
@@ -505,7 +504,7 @@ export class AsyncDataTree<T extends NonNullable<any>, TFilterData = void> imple
}
};
this.tree.setChildren(element, children, onDidCreateNode, onDidDeleteNode);
this.tree.setChildren(element === this.root ? null : element, children, onDidCreateNode, onDidDeleteNode);
}
dispose(): void {