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Fix #27530

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This commit is contained in:
Sandeep Somavarapu
2017-05-30 14:26:53 +02:00
parent 5e62707450
commit 9ddbdd0d9e
1 changed files with 20 additions and 13 deletions
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33
src/vs/workbench/api/node/extHostTreeViews.ts
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@@ -130,25 +130,32 @@ class ExtHostTreeView<T> extends Disposable {
private processAndMapElements(elements: T[]): TPromise<TreeItem[]> {
const treeItemsPromises: TPromise<TreeItem>[] = [];
for (const element of elements) {
if (this.extChildrenElementsMap.has(element)) {
return TPromise.wrapError<TreeItem[]>(localize('treeView.duplicateElement', 'Element {0} is already registered', element));
}
const treeItem = this.massageTreeItem(this.dataProvider.getTreeItem(element));
this.itemHandlesMap.set(element, treeItem.handle);
this.extElementsMap.set(treeItem.handle, element);
if (treeItem.collapsibleState === TreeItemCollapsibleState.Expanded) {
treeItemsPromises.push(this.getChildren(treeItem.handle).then(children => {
treeItem.children = children;
return treeItem;
}));
} else {
treeItemsPromises.push(TPromise.as(treeItem));
if (element) {
if (this.extChildrenElementsMap.has(element)) {
return TPromise.wrapError<TreeItem[]>(localize('treeView.duplicateElement', 'Element {0} is already registered', element));
}
const treeItem = this.massageTreeItem(this.dataProvider.getTreeItem(element));
if (treeItem) {
this.itemHandlesMap.set(element, treeItem.handle);
this.extElementsMap.set(treeItem.handle, element);
if (treeItem.collapsibleState === TreeItemCollapsibleState.Expanded) {
treeItemsPromises.push(this.getChildren(treeItem.handle).then(children => {
treeItem.children = children;
return treeItem;
}));
} else {
treeItemsPromises.push(TPromise.as(treeItem));
}
}
}
}
return TPromise.join(treeItemsPromises);
}
private massageTreeItem(extensionTreeItem: vscode.TreeItem): TreeItem {
if (!extensionTreeItem) {
return null;
}
const icon = this.getLightIconPath(extensionTreeItem);
return {
handle: ++this._itemHandlePool,