/**-----------------------------------------------------------------------------------------
* Copyright © 2026 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { AfterContentInit, ElementRef, NgZone, OnDestroy } from '@angular/core';
import { Draggable } from '@progress/kendo-draggable';
import { DragClueService } from './drag-clue/drag-clue.service';
import { DropHintService } from './drop-hint/drop-hint.service';
import { DragClueTemplateDirective } from './drag-clue/drag-clue-template.directive';
import { DropHintTemplateDirective } from './drop-hint/drop-hint-template.directive';
import { TreeViewComponent } from '../treeview.component';
import { DragAndDropScrollSettings } from './models';
import * as i0 from "@angular/core";
/**
* Represents the directive that enables you to drag and drop items inside the current TreeView or between multiple linked TreeView component instances
* ([see example](https://www.telerik.com/kendo-angular-ui/components/treeview/drag-and-drop)).
*
* Triggers the [`nodeDragStart`](https://www.telerik.com/kendo-angular-ui/components/treeview/api/treeviewcomponent#nodedragstart),
* [`nodeDrag`](https://www.telerik.com/kendo-angular-ui/components/treeview/api/treeviewcomponent#nodedrag),
* [`nodeDrop`](https://www.telerik.com/kendo-angular-ui/components/treeview/api/treeviewcomponent#nodedrop),
* [`nodeDragEnd`](https://www.telerik.com/kendo-angular-ui/components/treeview/api/treeviewcomponent#nodedragend),
* [`addItem`](https://www.telerik.com/kendo-angular-ui/components/treeview/api/treeviewcomponent#additem) and
* [`removeItem`](https://www.telerik.com/kendo-angular-ui/components/treeview/api/treeviewcomponent#removeitem)
* events when you perform the corresponding actions.
*
* @example
* ```html
*
*
* ```
*
* @remarks
* Applied to: {@link TreeViewComponent}
*/
export declare class DragAndDropDirective implements AfterContentInit, OnDestroy {
private element;
private zone;
private treeview;
private dragClueService;
private dropHintService;
/**
* Specifies whether the `removeItem` event fires after the user drops an item while pressing the `ctrl` key.
* If enabled, the `removeItem` event does not fire on the source TreeView
* ([see example](https://www.telerik.com/kendo-angular-ui/components/treeview/drag-and-drop#multiple-treeviews)).
*
* @default false
*/
allowCopy: boolean;
/**
* Specifies the `TreeViewComponent` instances into which the user can drop dragged items from the current `TreeViewComponent`
* ([see example](https://www.telerik.com/kendo-angular-ui/components/treeview/drag-and-drop#multiple-treeviews)).
*/
dropZoneTreeViews: TreeViewComponent[];
/**
* Specifies the distance in pixels from the initial item `pointerdown` event before dragging starts.
* The `nodeDragStart` and all subsequent TreeView drag events do not fire until dragging begins.
*
* @default 5
*/
startDragAfter: number;
/**
* Controls the auto-scrolling behavior during drag-and-drop ([see example](https://www.telerik.com/kendo-angular-ui/components/treeview/drag-and-drop#auto-scrolling)).
* Enabled by default. To turn off auto-scrolling, set this property to `false`.
*
* By default, scrolling occurs by 1 pixel every 1 millisecond when the dragged item reaches the top or bottom of the scrollable container.
* You can override the `step` and `interval` by providing a `DragAndDropScrollSettings` object.
*
* @default true
*/
autoScroll: boolean | DragAndDropScrollSettings;
/**
* @hidden
*/
dragClueTemplate: DragClueTemplateDirective;
/**
* @hidden
*/
dropHintTemplate: DropHintTemplateDirective;
/**
* @hidden
*/
userSelectStyle: string;
protected draggable: Draggable;
protected draggedItem: HTMLElement;
/**
* The pointer event of the last successful item pointerdown event (the draggable `press` event).
* Used for determining whether the `startDragAfter` distance is covered and for the `nodeDragStart` event args.
* Used also as a flag for whether a drag attempt is pending. Should be set to `null` once the dragging begins.
*/
protected pendingDragStartEvent: PointerEvent;
private get scrollSettings();
/**
* Describes the offset of the parent element if the latter has the `transform` CSS prop applied.
* Transformed parents create new stacking context and the fixed children must be position based on the transformed parent.
* https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Positioning/Understanding_z_index/The_stacking_context
*/
private containerOffset;
constructor(element: ElementRef, zone: NgZone, treeview: TreeViewComponent, dragClueService: DragClueService, dropHintService: DropHintService);
ngAfterContentInit(): void;
ngOnDestroy(): void;
/**
* @hidden
*/
handlePress({ originalEvent }: any): void;
/**
* @hidden
*/
handleDrag({ originalEvent, clientX, clientY }: any): void;
/**
* @hidden
*/
handleRelease({ originalEvent, clientY }: any): void;
private updateDropHintState;
private updateDragClueState;
private initalizeDraggable;
private notifyDragStart;
private notifyDrag;
private notifyDrop;
private notifyDragEnd;
private getTargetTreeView;
private disableAnimationsForNextTick;
private shouldInitiateDragStart;
private initiateDragStart;
static ɵfac: i0.ɵɵFactoryDeclaration;
static ɵdir: i0.ɵɵDirectiveDeclaration;
}