import { EventEmitter } from '@angular/core';
import { NgxExplorerContainerDirective } from './ngx-explorer-container.directive';
import { FileFolder } from '../core/file-folder';
import * as i0 from "@angular/core";
export declare class NgxDragSelectionDirective {
    private _document;
    private _parentDrag?;
    /** The current x position of the selection div. */
    private startX;
    /** The current y position of the selection div. */
    private startY;
    /**
     * The initial x position of the selection div.
     * Will be used to handle negative x position.
     */
    private initialX;
    /**
     * The initial y position of the selection div.
     * Will be used to handle negative y position.
     */
    private initialY;
    /**
     * Will be used to set current selected elements to check has
     * the current selected elements changed to before.
     */
    private selectedElements;
    /** The current x position from the fired event. */
    private currentX;
    /** the current y position from the fired event. */
    private currentY;
    /** The current calculated width of the selection div. */
    private currentWidth;
    /** The current calculated height of the selection div. */
    private currentHeight;
    /** Will be true if selection in progress. */
    private selectingInProgress;
    /** The selection border created by this directive. */
    private selectionDiv;
    /** Sets whether ngx-drag-selection can be used.  */
    selectionAllowed: boolean;
    /** Set a custom selection div `HTMLElement`. */
    selectionDivElement: HTMLElement | null | undefined;
    /** Event emitted when the selected elements are changed. */
    selectedElementsChange: EventEmitter<{
        count: number;
        data: FileFolder[];
    }>;
    /** Checks if a registered element of type `ngx-explorer-item` inside the selection div rect. */
    checkIfElementInsideRect(rect: any, selectionBorder: {
        x: number;
        y: number;
        width: number;
        height: number;
    }): boolean;
    /** Checks whether the selected elements have changed.  */
    checkIfSelectedElementsChanged(items: number[]): boolean;
    /** Creates the selection div into document.body. */
    createSelectionDiv(): void;
    /** On `mousemove` this will set the current position and width of the selection div. */
    setSelectionDivPosition(mouseX: number, mouseY: number): void;
    constructor(_document: Document, _parentDrag?: NgxExplorerContainerDirective<any> | undefined);
    onMouseDown(ev: any): void;
    onMouseMove(ev: any): void;
    onMouseUp(ev: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxDragSelectionDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgxDragSelectionDirective, "[ngxDragSelection]", never, { "selectionAllowed": "selectionAllowed"; "selectionDivElement": "selectionDivElement"; }, { "selectedElementsChange": "selectedElementsChange"; }, never, never, false, never>;
}