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dragon.ts
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57 lines (50 loc) · 1.31 KB
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import {
Dragon as InnerDragon,
DragNodeDataObject,
} from '@alilc/lowcode-designer';
import { dragonSymbol } from './symbols';
export default class Dragon {
private readonly [dragonSymbol]: InnerDragon;
constructor(dragon: InnerDragon) {
this[dragonSymbol] = dragon;
}
static create(dragon: InnerDragon | null) {
if (!dragon) return null;
return new Dragon(dragon);
}
/**
* 绑定 dragstart 事件
* @param func
* @returns
*/
onDragstart(func: (/* e: LocateEvent */) => any) {
// TODO: 补充必要参数
return this[dragonSymbol].onDragstart(() => func());
}
/**
* 绑定 drag 事件
* @param func
* @returns
*/
onDrag(func: (/* e: LocateEvent */) => any) {
// TODO: 补充必要参数
return this[dragonSymbol].onDrag(() => func());
}
/**
* 绑定 dragend 事件
* @param func
* @returns
*/
onDragend(func: (/* e: LocateEvent */) => any) {
// TODO: 补充必要参数
return this[dragonSymbol].onDragend(() => func());
}
/**
* 设置拖拽监听的区域 shell，以及自定义拖拽转换函数 boost
* @param shell 拖拽监听的区域
* @param boost 拖拽转换函数
*/
from(shell: Element, boost: (e: MouseEvent) => DragNodeDataObject | null) {
return this[dragonSymbol].from(shell, boost);
}
}