Item Selection

Overview

The ItemSelectionService keeps track of the currently selected item in the tree. It is used when items are selected, either via click, double-click, or programmatically by the library.

Import

import { DndModule } from 'ngx-builder-dnd';

Selector

ItemSelectionService

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API Reference

Properties

Name	Description
_selectedItem$: BehaviorSubject<SelectedItem | null>	Internal subject holding the currently selected item.

Methods

Name	Parameters	Returns	Description
selectedItem$	-	Observable<SelectedItem | null>	Observable emitting the currently selected item.
selectItem	itemId: string, element?: HTMLElement	void	Marks an item as selected.
clearSelection	-	void	Clears the current selection.
getCurrentSelection	-	SelectedItem | null	Returns the currently selected item synchronously.

Types

export interface SelectedItem {
  itemId: string;
  element?: HTMLElement;
}

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See Also

• Abstract Item Actions Directive - Provides base functionality for item actions.
• Action Menu Directive - Attaches an action menu to an item.