import { IEventBus } from '@alilc/lowcode-editor-core';
import { IPublicTypeDragNodeObject, IPublicTypeDragAnyObject, IPublicTypeDragNodeDataObject, IPublicModelDragObject, IPublicModelNode, IPublicModelDragon, IPublicModelLocateEvent, IPublicModelSensor } from '@alilc/lowcode-types';
import { INode } from '../document';
import type { IDesigner } from './designer';
export interface ILocateEvent extends IPublicModelLocateEvent {
    readonly type: 'LocateEvent';
    /**
     * 激活的感应器
     */
    sensor?: IPublicModelSensor;
}
/**
 * @deprecated use same function in @alilc/lowcode-utils
 */
export declare function isDragNodeObject(obj: any): obj is IPublicTypeDragNodeObject;
/**
 * @deprecated use same function in @alilc/lowcode-utils
 */
export declare function isDragNodeDataObject(obj: any): obj is IPublicTypeDragNodeDataObject;
/**
 * @deprecated use same function in @alilc/lowcode-utils
 */
export declare function isDragAnyObject(obj: any): obj is IPublicTypeDragAnyObject;
export declare function isLocateEvent(e: any): e is ILocateEvent;
/**
 * mouse shake check
 */
export declare function isShaken(e1: MouseEvent | DragEvent, e2: MouseEvent | DragEvent): boolean;
export declare function isInvalidPoint(e: any, last: any): boolean;
export declare function isSameAs(e1: MouseEvent | DragEvent, e2: MouseEvent | DragEvent): boolean;
export declare function setShaken(e: any): void;
/**
 * Drag-on 拖拽引擎
 */
export declare class Dragon implements IPublicModelDragon<INode, ILocateEvent> {
    readonly designer: IDesigner;
    private sensors;
    private nodeInstPointerEvents;
    key: number;
    /**
     * current active sensor, 可用于感应区高亮
     */
    private _activeSensor;
    get activeSensor(): IPublicModelSensor | undefined;
    private _dragging;
    private _canDrop;
    get dragging(): boolean;
    viewName: string | undefined;
    emitter: IEventBus;
    constructor(designer: IDesigner);
    /**
     * Quick listen a shell(container element) drag behavior
     * @param shell container element
     * @param boost boost got a drag object
     */
    from(shell: Element, boost: (e: MouseEvent) => IPublicModelDragObject | null): () => void;
    /**
     * boost your dragObject for dragging(flying) 发射拖拽对象
     *
     * @param dragObject 拖拽对象
     * @param boostEvent 拖拽初始时事件
     */
    boost(dragObject: IPublicModelDragObject, boostEvent: MouseEvent | DragEvent, fromRglNode?: INode | IPublicModelNode): void;
    private getMasterSensors;
    private getSimulators;
    private setNativeSelection;
    /**
     * 设置拖拽态
     */
    private setDraggingState;
    /**
     * 设置拷贝态
     */
    private setCopyState;
    /**
     * 清除所有态：拖拽态、拷贝态
     */
    private clearState;
    /**
     * 添加投放感应区
     */
    addSensor(sensor: any): void;
    /**
     * 移除投放感应
     */
    removeSensor(sensor: any): void;
    onDragstart(func: (e: ILocateEvent) => any): () => void;
    onDrag(func: (e: ILocateEvent) => any): () => void;
    onDragend(func: (x: {
        dragObject: IPublicModelDragObject;
        copy: boolean;
    }) => any): () => void;
}
export interface IDragon extends Dragon {
}