/**-----------------------------------------------------------------------------------------
* Copyright © 2026 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { AfterViewInit, NgZone, OnDestroy, Renderer2 } from '@angular/core';
import { PopupService } from '@progress/kendo-angular-popup';
import { GanttComponent } from '../gantt.component';
import { MappingService } from '../common/mapping.service';
import { TimelineScrollService } from '../scrolling/timeline-scroll.service';
import * as i0 from "@angular/core";
/**
 * Enables creating new dependencies by dragging.
 *
 * ```html
 * <kendo-gantt kendoGanttDependencyDragCreate></kendo-gantt>
 * ```
 *
 * @remarks
 * Applied to: {@link GanttComponent}
 */
export declare class DependencyDragCreateDirective implements AfterViewInit, OnDestroy {
    private gantt;
    private zone;
    private renderer;
    private mapper;
    private popupService;
    private timelineScrollService;
    /**
     * Shows the validation tooltip during drag operations.
     *
     * @default true
     */
    displayValidationTooltip: boolean;
    private get container();
    private get polyline();
    private get popupContainer();
    /**
     * Points to the drag clue where the dragging started (the FROM task).
     * Used to attach/detach classes to the target element and its task wrapper parent element.
     */
    private fromTaskClue;
    /**
     * The drag start element coords will be the same through the enitre dragging session, so compute them on press and cache them.
     */
    private polylineStartCoords;
    /**
     * Stored during dragging to be consumed by the container scroll subscription.
     * The scroll event doesn't expose the current pointer position, so it has to be stored separately.
     */
    private currentPointerClientCoords;
    private scrollListenerDisposer;
    private dragPopup;
    private dragSubscriptions;
    constructor(gantt: GanttComponent, zone: NgZone, renderer: Renderer2, mapper: MappingService, popupService: PopupService, timelineScrollService: TimelineScrollService);
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    private subscribeDraggable;
    private unsubscribeDraggable;
    private handlePress;
    private handleDrag;
    private handleRelease;
    private updatePolyline;
    private clearPolyline;
    private assignDragStartClasses;
    private removeDragStartClasses;
    private scrollPointIntoView;
    private cancelScroll;
    private addScrollListener;
    private removeScrollListener;
    private openDragPopup;
    private updateDragPopup;
    private closeDragPopup;
    private extractTaskName;
    private getTooltipContext;
    /**
     * Restricts the popup position to not go below the scroll height or width of the container.
     * Flips the position of the popup when there's not enough vertical space in the visible part of the container to render the popup.
     */
    private normalizePopupPosition;
    static ɵfac: i0.ɵɵFactoryDeclaration<DependencyDragCreateDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DependencyDragCreateDirective, "[kendoGanttDependencyDragCreate]", never, { "displayValidationTooltip": { "alias": "displayValidationTooltip"; "required": false; }; }, {}, never, never, true, never>;
}