import * as i0 from '@angular/core'; import { OnDestroy, OnChanges, DoCheck, QueryList, EventEmitter, ElementRef, NgZone, TransferState, SimpleChanges } from '@angular/core'; import DxTreeView, { dxTreeViewNode, dxTreeViewItem, DisabledNodeSelectionMode, TreeViewExpandEvent, TreeViewCheckBoxMode, ContentReadyEvent, DisposingEvent, InitializedEvent, ItemClickEvent, ItemCollapsedEvent, ItemContextMenuEvent, ItemExpandedEvent, ItemHoldEvent, ItemRenderedEvent, ItemSelectionChangedEvent, OptionChangedEvent, SelectAllValueChangedEvent, SelectionChangedEvent } from 'devextreme/ui/tree_view'; export { ExplicitTypes } from 'devextreme/ui/tree_view'; import DataSource, { DataSourceOptions } from 'devextreme/data/data_source'; import { Store } from 'devextreme/data/store'; import { DataStructure, ScrollDirection, SearchMode, SingleOrMultiple } from 'devextreme/common'; import { dxTextBoxOptions } from 'devextreme/ui/text_box'; import * as i3 from 'devextreme-angular/core'; import { DxComponent, CollectionNestedOption, DxTemplateHost, WatcherHelper, IterableDifferHelper, NestedOptionHost } from 'devextreme-angular/core'; import * as i1 from 'devextreme-angular/ui/nested'; import * as i2 from 'devextreme-angular/ui/tree-view/nested'; export * from 'devextreme-angular/ui/tree-view/nested'; import * as tree_view_types from 'devextreme/ui/tree_view_types'; export { tree_view_types as DxTreeViewTypes }; /*! * devextreme-angular * Version: 26.1.3 * Build date: Wed Jun 10 2026 * * Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED * * This software may be modified and distributed under the terms * of the MIT license. See the LICENSE file in the root of the project for details. * * https://github.com/DevExpress/DevExtreme */ /** * The TreeView UI component is a tree-like representation of textual data. */ declare class DxTreeViewComponent extends DxComponent implements OnDestroy, OnChanges, DoCheck { private _watcherHelper; private _idh; set _buttonsContentChildren(value: QueryList); set _itemsContentChildren(value: QueryList); instance: DxTreeView; /** * Specifies the shortcut key that sets focus on the UI component. */ get accessKey(): string | undefined; set accessKey(value: string | undefined); /** * Specifies whether the UI component changes its visual state as a result of user interaction. */ get activeStateEnabled(): boolean; set activeStateEnabled(value: boolean); /** * Specifies whether or not to animate item collapsing and expanding. */ get animationEnabled(): boolean; set animationEnabled(value: boolean); /** * Specifies a custom collapse icon. */ get collapseIcon(): null | string; set collapseIcon(value: null | string); /** * Allows you to load nodes on demand. */ get createChildren(): ((parentNode: dxTreeViewNode) => any | Array>); set createChildren(value: ((parentNode: dxTreeViewNode) => any | Array>)); /** * Binds the UI component to data. */ get dataSource(): Array | DataSource | DataSourceOptions | null | Store | string; set dataSource(value: Array | DataSource | DataSourceOptions | null | Store | string); /** * Notifies the UI component of the data structure in use. */ get dataStructure(): DataStructure; set dataStructure(value: DataStructure); /** * Specifies whether the UI component responds to user interaction. */ get disabled(): boolean; set disabled(value: boolean); /** * Specifies the name of the data source item field whose value defines whether or not the corresponding UI component item is disabled. */ get disabledExpr(): ((item: any) => boolean | undefined) | string; set disabledExpr(value: ((item: any) => boolean | undefined) | string); /** * Configures disabled node behavior during batch selection operations. */ get disabledNodeSelectionMode(): DisabledNodeSelectionMode; set disabledNodeSelectionMode(value: DisabledNodeSelectionMode); /** * Specifies the data field whose values should be displayed. */ get displayExpr(): ((item: any) => string) | string; set displayExpr(value: ((item: any) => string) | string); /** * Specifies the global attributes to be attached to the UI component's container element. */ get elementAttr(): Record; set elementAttr(value: Record); /** * Specifies whether or not a user can expand all tree view items by the '*' hot key. */ get expandAllEnabled(): boolean; set expandAllEnabled(value: boolean); /** * Specifies which data source field specifies whether an item is expanded. */ get expandedExpr(): ((item: any, value: boolean | undefined) => boolean | undefined) | string; set expandedExpr(value: ((item: any, value: boolean | undefined) => boolean | undefined) | string); /** * Specifies the event on which to expand/collapse a node. */ get expandEvent(): TreeViewExpandEvent; set expandEvent(value: TreeViewExpandEvent); /** * Specifies a custom expand icon. */ get expandIcon(): null | string; set expandIcon(value: null | string); /** * Specifies whether or not all parent nodes of an initially expanded node are displayed expanded. */ get expandNodesRecursive(): boolean; set expandNodesRecursive(value: boolean); /** * Specifies whether the UI component can be focused using keyboard navigation. */ get focusStateEnabled(): boolean; set focusStateEnabled(value: boolean); /** * Specifies the name of the data source item field whose value defines whether or not the corresponding node includes child nodes. */ get hasItemsExpr(): ((item: any) => boolean | undefined) | string; set hasItemsExpr(value: ((item: any) => boolean | undefined) | string); /** * Specifies the UI component's height. */ get height(): number | string | undefined; set height(value: number | string | undefined); /** * Specifies text for a hint that appears when a user pauses on the UI component. */ get hint(): string | undefined; set hint(value: string | undefined); /** * Specifies whether the UI component changes its state when a user pauses on it. */ get hoverStateEnabled(): boolean; set hoverStateEnabled(value: boolean); /** * The time period in milliseconds before the onItemHold event is raised. */ get itemHoldTimeout(): number; set itemHoldTimeout(value: number); /** * An array of items displayed by the UI component. */ get items(): Array; set items(value: Array); /** * Specifies which data field contains nested items. */ get itemsExpr(): ((item: any) => Array | undefined) | string; set itemsExpr(value: ((item: any) => Array | undefined) | string); /** * Specifies a custom template for items. */ get itemTemplate(): any; set itemTemplate(value: any); /** * Specifies which data field provides keys for TreeView items. */ get keyExpr(): ((item: any) => any) | string; set keyExpr(value: ((item: any) => any) | string); /** * Specifies the text or HTML markup displayed by the UI component if the item collection is empty. */ get noDataText(): string; set noDataText(value: string); /** * Specifies the name of the data source item field for holding the parent key of the corresponding node. */ get parentIdExpr(): ((item: any) => any | undefined) | string; set parentIdExpr(value: ((item: any) => any | undefined) | string); /** * Specifies the root key. */ get rootValue(): any; set rootValue(value: any); /** * Switches the UI component to a right-to-left representation. */ get rtlEnabled(): boolean; set rtlEnabled(value: boolean); /** * A string value specifying available scrolling directions. */ get scrollDirection(): ScrollDirection; set scrollDirection(value: ScrollDirection); /** * Configures the search panel. */ get searchEditorOptions(): dxTextBoxOptions; set searchEditorOptions(value: dxTextBoxOptions); /** * Specifies whether the search panel is visible. */ get searchEnabled(): boolean; set searchEnabled(value: boolean); /** * Specifies a data object's field name or an expression whose value is compared to the search string. */ get searchExpr(): Array | Function | string; set searchExpr(value: Array | Function | string); /** * Specifies a comparison operation used to search UI component items. */ get searchMode(): SearchMode; set searchMode(value: SearchMode); /** * Specifies a delay in milliseconds between when a user finishes typing, and the search is executed. */ get searchTimeout(): number | undefined; set searchTimeout(value: number | undefined); /** * Specifies the current search string. */ get searchValue(): string; set searchValue(value: string); /** * Specifies the text displayed at the 'Select All' check box. */ get selectAllText(): string; set selectAllText(value: string); /** * Specifies whether an item is selected if a user clicks it. */ get selectByClick(): boolean; set selectByClick(value: boolean); /** * Specifies the name of the data source item field whose value defines whether or not the corresponding UI component items is selected. */ get selectedExpr(): ((item: any, value: boolean | undefined) => boolean | undefined) | string; set selectedExpr(value: ((item: any, value: boolean | undefined) => boolean | undefined) | string); /** * Specifies item selection mode. Applies only if selection is enabled. */ get selectionMode(): SingleOrMultiple; set selectionMode(value: SingleOrMultiple); /** * Specifies whether selection is updated between child and parent nodes. Applies only if the selectionMode is 'multiple'. */ get selectNodesRecursive(): boolean; set selectNodesRecursive(value: boolean); /** * Specifies the checkbox display mode. */ get showCheckBoxesMode(): TreeViewCheckBoxMode; set showCheckBoxesMode(value: TreeViewCheckBoxMode); /** * Specifies the number of the element when the Tab key is used for navigating. */ get tabIndex(): number; set tabIndex(value: number); /** * Specifies whether or not the UI component uses native scrolling. */ get useNativeScrolling(): boolean; set useNativeScrolling(value: boolean); /** * Enables the virtual mode in which nodes are loaded on demand. Use it to enhance the performance on large datasets. */ get virtualModeEnabled(): boolean; set virtualModeEnabled(value: boolean); /** * Specifies whether the UI component is visible. */ get visible(): boolean; set visible(value: boolean); /** * Specifies the UI component's width. */ get width(): number | string | undefined; set width(value: number | string | undefined); /** * A function that is executed when the UI component is rendered and each time the component is repainted. */ onContentReady: EventEmitter; /** * A function that is executed before the UI component is disposed of. */ onDisposing: EventEmitter; /** * A function used in JavaScript frameworks to save the UI component instance. */ onInitialized: EventEmitter; /** * A function that is executed when a collection item is clicked or tapped. */ onItemClick: EventEmitter; /** * A function that is executed when a tree view item is collapsed. */ onItemCollapsed: EventEmitter; /** * A function that is executed when a collection item is right-clicked or pressed. */ onItemContextMenu: EventEmitter; /** * A function that is executed when a tree view item is expanded. */ onItemExpanded: EventEmitter; /** * A function that is executed when a collection item has been held for a specified period. */ onItemHold: EventEmitter; /** * A function that is executed after a collection item is rendered. */ onItemRendered: EventEmitter; /** * A function that is executed when a single TreeView item is selected or selection is canceled. */ onItemSelectionChanged: EventEmitter; /** * A function that is executed after a UI component property is changed. */ onOptionChanged: EventEmitter; /** * A function that is executed when the 'Select All' check box value is changed. Applies only if showCheckBoxesMode is 'selectAll' and selectionMode is 'multiple'. */ onSelectAllValueChanged: EventEmitter; /** * A function that is executed when a TreeView item is selected or selection is canceled. */ onSelectionChanged: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ accessKeyChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ activeStateEnabledChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ animationEnabledChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ collapseIconChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ createChildrenChange: EventEmitter<((parentNode: dxTreeViewNode) => any | Array>)>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ dataSourceChange: EventEmitter | DataSource | DataSourceOptions | null | Store | string>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ dataStructureChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ disabledChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ disabledExprChange: EventEmitter<((item: any) => boolean | undefined) | string>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ disabledNodeSelectionModeChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ displayExprChange: EventEmitter<((item: any) => string) | string>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ elementAttrChange: EventEmitter>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ expandAllEnabledChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ expandedExprChange: EventEmitter<((item: any, value: boolean | undefined) => boolean | undefined) | string>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ expandEventChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ expandIconChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ expandNodesRecursiveChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ focusStateEnabledChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ hasItemsExprChange: EventEmitter<((item: any) => boolean | undefined) | string>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ heightChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ hintChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ hoverStateEnabledChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ itemHoldTimeoutChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ itemsChange: EventEmitter>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ itemsExprChange: EventEmitter<((item: any) => Array | undefined) | string>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ itemTemplateChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ keyExprChange: EventEmitter<((item: any) => any) | string>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ noDataTextChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ parentIdExprChange: EventEmitter<((item: any) => any | undefined) | string>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ rootValueChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ rtlEnabledChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ scrollDirectionChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ searchEditorOptionsChange: EventEmitter>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ searchEnabledChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ searchExprChange: EventEmitter | Function | string>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ searchModeChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ searchTimeoutChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ searchValueChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ selectAllTextChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ selectByClickChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ selectedExprChange: EventEmitter<((item: any, value: boolean | undefined) => boolean | undefined) | string>; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ selectionModeChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ selectNodesRecursiveChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ showCheckBoxesModeChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ tabIndexChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ useNativeScrollingChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ virtualModeEnabledChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ visibleChange: EventEmitter; /** * This member supports the internal infrastructure and is not intended to be used directly from your code. */ widthChange: EventEmitter; constructor(elementRef: ElementRef, ngZone: NgZone, templateHost: DxTemplateHost, _watcherHelper: WatcherHelper, _idh: IterableDifferHelper, optionHost: NestedOptionHost, transferState: TransferState, platformId: any); protected _createInstance(element: any, options: any): DxTreeView; ngOnDestroy(): void; ngOnChanges(changes: SimpleChanges): void; setupChanges(prop: string, changes: SimpleChanges): void; ngDoCheck(): void; _setOption(name: string, value: any): void; static ɵfac: i0.ɵɵFactoryDeclaration, never>; static ɵcmp: i0.ɵɵComponentDeclaration, "dx-tree-view", never, { "accessKey": { "alias": "accessKey"; "required": false; }; "activeStateEnabled": { "alias": "activeStateEnabled"; "required": false; }; "animationEnabled": { "alias": "animationEnabled"; "required": false; }; "collapseIcon": { "alias": "collapseIcon"; "required": false; }; "createChildren": { "alias": "createChildren"; "required": false; }; "dataSource": { "alias": "dataSource"; "required": false; }; "dataStructure": { "alias": "dataStructure"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "disabledExpr": { "alias": "disabledExpr"; "required": false; }; "disabledNodeSelectionMode": { "alias": "disabledNodeSelectionMode"; "required": false; }; "displayExpr": { "alias": "displayExpr"; "required": false; }; "elementAttr": { "alias": "elementAttr"; "required": false; }; "expandAllEnabled": { "alias": "expandAllEnabled"; "required": false; }; "expandedExpr": { "alias": "expandedExpr"; "required": false; }; "expandEvent": { "alias": "expandEvent"; "required": false; }; "expandIcon": { "alias": "expandIcon"; "required": false; }; "expandNodesRecursive": { "alias": "expandNodesRecursive"; "required": false; }; "focusStateEnabled": { "alias": "focusStateEnabled"; "required": false; }; "hasItemsExpr": { "alias": "hasItemsExpr"; "required": false; }; "height": { "alias": "height"; "required": false; }; "hint": { "alias": "hint"; "required": false; }; "hoverStateEnabled": { "alias": "hoverStateEnabled"; "required": false; }; "itemHoldTimeout": { "alias": "itemHoldTimeout"; "required": false; }; "items": { "alias": "items"; "required": false; }; "itemsExpr": { "alias": "itemsExpr"; "required": false; }; "itemTemplate": { "alias": "itemTemplate"; "required": false; }; "keyExpr": { "alias": "keyExpr"; "required": false; }; "noDataText": { "alias": "noDataText"; "required": false; }; "parentIdExpr": { "alias": "parentIdExpr"; "required": false; }; "rootValue": { "alias": "rootValue"; "required": false; }; "rtlEnabled": { "alias": "rtlEnabled"; "required": false; }; "scrollDirection": { "alias": "scrollDirection"; "required": false; }; "searchEditorOptions": { "alias": "searchEditorOptions"; "required": false; }; "searchEnabled": { "alias": "searchEnabled"; "required": false; }; "searchExpr": { "alias": "searchExpr"; "required": false; }; "searchMode": { "alias": "searchMode"; "required": false; }; "searchTimeout": { "alias": "searchTimeout"; "required": false; }; "searchValue": { "alias": "searchValue"; "required": false; }; "selectAllText": { "alias": "selectAllText"; "required": false; }; "selectByClick": { "alias": "selectByClick"; "required": false; }; "selectedExpr": { "alias": "selectedExpr"; "required": false; }; "selectionMode": { "alias": "selectionMode"; "required": false; }; "selectNodesRecursive": { "alias": "selectNodesRecursive"; "required": false; }; "showCheckBoxesMode": { "alias": "showCheckBoxesMode"; "required": false; }; "tabIndex": { "alias": "tabIndex"; "required": false; }; "useNativeScrolling": { "alias": "useNativeScrolling"; "required": false; }; "virtualModeEnabled": { "alias": "virtualModeEnabled"; "required": false; }; "visible": { "alias": "visible"; "required": false; }; "width": { "alias": "width"; "required": false; }; }, { "onContentReady": "onContentReady"; "onDisposing": "onDisposing"; "onInitialized": "onInitialized"; "onItemClick": "onItemClick"; "onItemCollapsed": "onItemCollapsed"; "onItemContextMenu": "onItemContextMenu"; "onItemExpanded": "onItemExpanded"; "onItemHold": "onItemHold"; "onItemRendered": "onItemRendered"; "onItemSelectionChanged": "onItemSelectionChanged"; "onOptionChanged": "onOptionChanged"; "onSelectAllValueChanged": "onSelectAllValueChanged"; "onSelectionChanged": "onSelectionChanged"; "accessKeyChange": "accessKeyChange"; "activeStateEnabledChange": "activeStateEnabledChange"; "animationEnabledChange": "animationEnabledChange"; "collapseIconChange": "collapseIconChange"; "createChildrenChange": "createChildrenChange"; "dataSourceChange": "dataSourceChange"; "dataStructureChange": "dataStructureChange"; "disabledChange": "disabledChange"; "disabledExprChange": "disabledExprChange"; "disabledNodeSelectionModeChange": "disabledNodeSelectionModeChange"; "displayExprChange": "displayExprChange"; "elementAttrChange": "elementAttrChange"; "expandAllEnabledChange": "expandAllEnabledChange"; "expandedExprChange": "expandedExprChange"; "expandEventChange": "expandEventChange"; "expandIconChange": "expandIconChange"; "expandNodesRecursiveChange": "expandNodesRecursiveChange"; "focusStateEnabledChange": "focusStateEnabledChange"; "hasItemsExprChange": "hasItemsExprChange"; "heightChange": "heightChange"; "hintChange": "hintChange"; "hoverStateEnabledChange": "hoverStateEnabledChange"; "itemHoldTimeoutChange": "itemHoldTimeoutChange"; "itemsChange": "itemsChange"; "itemsExprChange": "itemsExprChange"; "itemTemplateChange": "itemTemplateChange"; "keyExprChange": "keyExprChange"; "noDataTextChange": "noDataTextChange"; "parentIdExprChange": "parentIdExprChange"; "rootValueChange": "rootValueChange"; "rtlEnabledChange": "rtlEnabledChange"; "scrollDirectionChange": "scrollDirectionChange"; "searchEditorOptionsChange": "searchEditorOptionsChange"; "searchEnabledChange": "searchEnabledChange"; "searchExprChange": "searchExprChange"; "searchModeChange": "searchModeChange"; "searchTimeoutChange": "searchTimeoutChange"; "searchValueChange": "searchValueChange"; "selectAllTextChange": "selectAllTextChange"; "selectByClickChange": "selectByClickChange"; "selectedExprChange": "selectedExprChange"; "selectionModeChange": "selectionModeChange"; "selectNodesRecursiveChange": "selectNodesRecursiveChange"; "showCheckBoxesModeChange": "showCheckBoxesModeChange"; "tabIndexChange": "tabIndexChange"; "useNativeScrollingChange": "useNativeScrollingChange"; "virtualModeEnabledChange": "virtualModeEnabledChange"; "visibleChange": "visibleChange"; "widthChange": "widthChange"; }, ["_buttonsContentChildren", "_itemsContentChildren"], never, true, never>; } declare class DxTreeViewModule { static ɵfac: i0.ɵɵFactoryDeclaration; static ɵmod: i0.ɵɵNgModuleDeclaration; static ɵinj: i0.ɵɵInjectorDeclaration; } export { DxTreeViewComponent, DxTreeViewModule }; //# sourceMappingURL=index.d.ts.map