import { IPublicModelDragon } from '@alilc/lowcode-types';

/**
 * is dragging or not
 */
get dragging(): boolean;

/**
 * 绑定 dragstart 事件
 * bind a callback function which will be called on dragging start
 * @param func
 * @returns
 */
onDragstart(func: (e: IPublicModelLocateEvent) => any): () => void;

/**
 * 绑定 drag 事件
 * bind a callback function which will be called on dragging
 * @param func
 * @returns
 */
onDrag(func: (e: IPublicModelLocateEvent) => any): () => void;

/**
 * 绑定 dragend 事件
 * bind a callback function which will be called on dragging end
 * @param func
 * @returns
 */
onDragend(func: (o: { dragObject: IPublicModelDragObject; copy?: boolean }) => any): () => void;

/**
 * 设置拖拽监听的区域 shell，以及自定义拖拽转换函数 boost
* set a html element as shell to dragon as monitoring target, and
* set boost function which is used to transform a MouseEvent to type
* IPublicTypeDragNodeDataObject.
 * @param shell 拖拽监听的区域
 * @param boost 拖拽转换函数
 */
from(shell: Element, boost: (e: MouseEvent) => IPublicTypeDragNodeDataObject | null): any;

/**
 * 发射拖拽对象
 * boost your dragObject for dragging(flying)
 *
 * @param dragObject 拖拽对象
 * @param boostEvent 拖拽初始时事件
 */
boost(dragObject: IPublicTypeDragObject, boostEvent: MouseEvent | DragEvent, fromRglNode?: Node | IPublicModelNode): void;

/**
 * 添加投放感应区
 * add sensor area
 */
addSensor(sensor: any): void;

/**
 * 移除投放感应
 * remove sensor area
 */
removeSensor(sensor: any): void;