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unset last focused item; #1436

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Cory LaViska
2023-07-12 11:19:55 -04:00
parent e1ca7d1f59
commit 23b1fb8984
1 changed files with 6 additions and 1 deletions
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7
src/components/tree/tree.ts
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@@ -87,7 +87,7 @@ export default class SlTree extends ShoelaceElement {
// A collection of all the items in the tree, in the order they appear. The collection is live, meaning it is
// automatically updated when the underlying document is changed.
//
private lastFocusedItem: SlTreeItem;
private lastFocusedItem: SlTreeItem | null;
private readonly localize = new LocalizeController(this);
private mutationObserver: MutationObserver;
private clickTarget: SlTreeItem | null = null;
@@ -159,8 +159,13 @@ export default class SlTree extends ShoelaceElement {
private handleTreeChanged = (mutations: MutationRecord[]) => {
for (const mutation of mutations) {
const addedNodes: SlTreeItem[] = [...mutation.addedNodes].filter(SlTreeItem.isTreeItem) as SlTreeItem[];
const removedNodes = [...mutation.removedNodes].filter(SlTreeItem.isTreeItem) as SlTreeItem[];
addedNodes.forEach(this.initTreeItem);
if (this.lastFocusedItem && removedNodes.includes(this.lastFocusedItem)) {
this.lastFocusedItem = null;
}
}
};