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@progress/kendo-angular-treeview

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/**----------------------------------------------------------------------------------------- * Copyright © 2025 Progress Software Corporation. All rights reserved. * Licensed under commercial license. See LICENSE.md in the project root for more information *-------------------------------------------------------------------------------------------*/ import { EventEmitter, OnDestroy, OnChanges, NgZone } from '@angular/core'; import { TreeViewComponent } from './treeview.component'; import { CheckableSettings } from './checkable-settings'; import { CheckedState } from './checkbox/checked-state'; import { Subscription } from 'rxjs'; import { TreeItem } from './treeitem.interface'; import { TreeItemLookup } from './treeitem-lookup.interface'; import * as i0 from "@angular/core"; /** * Represents a directive that manages the in-memory checked state of the TreeView node * ([see example](slug:checkboxes_treeview)). * * @example * ```html * <kendo-treeview * kendoTreeViewCheckable * checkBy="id" * [(checkedKeys)]="checkedKeys" * [nodes]="data"> * </kendo-treeview> * ``` * * @remarks * Applied to: {@link TreeViewComponent} */ export declare class CheckDirective implements OnChanges, OnDestroy { protected treeView: TreeViewComponent; private zone; /** * @hidden */ set isChecked(value: (item: object, index: string) => CheckedState); /** * Defines the item key stored in the `checkedKeys` collection. */ checkKey: string | ((context: TreeItem) => any); /** * Defines the collection that stores the checked keys * ([see example](slug:checkboxes_treeview)). */ checkedKeys: any[]; /** * Defines the checkable settings * ([see example](slug:checkboxes_treeview#setup)). * If you do not provide a value, the default [`CheckableSettings`](slug:api_treeview_checkablesettings) apply. */ checkable: boolean | CheckableSettings | string; /** * Fires when the `checkedKeys` collection updates. */ checkedKeysChange: EventEmitter<any[]>; protected subscriptions: Subscription; private get options(); private checkActions; /** * Reflects the internal `checkedKeys` state. */ private state; private clickSubscription; /** * Holds the last emitted `checkedKeys` collection. */ private lastChange; constructor(treeView: TreeViewComponent, zone: NgZone); ngOnChanges(changes: any): void; ngOnDestroy(): void; protected isItemChecked(dataItem: any, index: string): CheckedState; protected isIndexChecked(index: string): CheckedState; protected itemKey(item: TreeItem): any; protected check(e: any): void; protected checkSingle(node: any): void; protected checkMultiple(node: TreeItemLookup): void; protected toggleCheckOnClick(): void; private unsubscribeClick; private checkNode; private uncheckChildren; private checkParents; private allChildrenSelected; private notify; private addCheckedItemsChildren; static ɵfac: i0.ɵɵFactoryDeclaration<CheckDirective, never>; static ɵdir: i0.ɵɵDirectiveDeclaration<CheckDirective, "[kendoTreeViewCheckable]", never, { "isChecked": { "alias": "isChecked"; "required": false; }; "checkKey": { "alias": "checkBy"; "required": false; }; "checkedKeys": { "alias": "checkedKeys"; "required": false; }; "checkable": { "alias": "kendoTreeViewCheckable"; "required": false; }; }, { "checkedKeysChange": "checkedKeysChange"; }, never, never, true, never>; }