node_modules/@angular/cdk/esm2015/tree/toggle.js

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { Directive, HostListener, Input } from '@angular/core';
import { CdkTree, CdkTreeNode } from './tree';
/**
 * Node toggle to expand/collapse the node.
 */
export class CdkTreeNodeToggle {
    constructor(_tree, _treeNode) {
        this._tree = _tree;
        this._treeNode = _treeNode;
        this._recursive = false;
    }
    /** Whether expand/collapse the node recursively. */
    get recursive() { return this._recursive; }
    set recursive(value) { this._recursive = coerceBooleanProperty(value); }
    // We have to use a `HostListener` here in order to support both Ivy and ViewEngine.
    // In Ivy the `host` bindings will be merged when this class is extended, whereas in
    // ViewEngine they're overwritten.
    // TODO(crisbeto): we move this back into `host` once Ivy is turned on by default.
    // tslint:disable-next-line:no-host-decorator-in-concrete
    _toggle(event) {
        this.recursive
            ? this._tree.treeControl.toggleDescendants(this._treeNode.data)
            : this._tree.treeControl.toggle(this._treeNode.data);
        event.stopPropagation();
    }
}
CdkTreeNodeToggle.decorators = [
    { type: Directive, args: [{ selector: '[cdkTreeNodeToggle]' },] }
];
CdkTreeNodeToggle.ctorParameters = () => [
    { type: CdkTree },
    { type: CdkTreeNode }
];
CdkTreeNodeToggle.propDecorators = {
    recursive: [{ type: Input, args: ['cdkTreeNodeToggleRecursive',] }],
    _toggle: [{ type: HostListener, args: ['click', ['$event'],] }]
};
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