MiaoDaren/assets/scripts/Draggable.js

var t = require;
var e = module;
var i = exports;
var s,
    e =
    (this && this.__decorate) ||
    function(t, e, i, s) {
        var o,
            a = arguments.length,
            n = a < 3 ? e : null === s ? (s = Object.getOwnPropertyDescriptor(e, i)) : s;
        if ("object" == typeof Reflect && "function" == typeof Reflect.decorate) n = Reflect.decorate(t, e, i, s);
        else
            for (var r = t.length - 1; 0 <= r; r--)
                (o = t[r]) && (n = (a < 3 ? o(n) : 3 < a ? o(e, i, n) : o(e, i)) || n);
        return 3 < a && n && Object.defineProperty(e, i, n), n;
    };
Object.defineProperty(i, "__esModule", { value: !0 }), (i.DragEventType = void 0);
const o = t("App"),
    { ccclass: a, menu: n } = cc._decorator;
((t = s = i.DragEventType || (i.DragEventType = {})).DRAG_START = "DRAG_START"),
(t.DRAGING = "DRAGING"),
(t.DRAGING_IN = "DRAGING_IN"),
(t.DRAGING_OUT = "DRAGING_OUT"),
(t.DROP = "DROP"),
(t.CANCEL = "CANCEL"),
(t.DRAG_END = "DRAG_END");
(t = class extends cc.Component {
    constructor() {
        super(...arguments),
            (this.delegate = {
                onDragStart: function() {
                    return null;
                },
                onDragEnd: function() {
                    return null;
                },
                onDragDone: function() {
                    return null;
                },
                prepareDrag: function() {
                    return { dragingData: null, dragingNode: null };
                }
            });
    }
    start() {}
    onEnable() {
        this.node.on(cc.Node.EventType.TOUCH_START, this.onTouchStart, this);
    }
    onDisable() {
        this.node.off(cc.Node.EventType.TOUCH_START, this.onTouchStart, this);
    }
    setDelegate(t) {
        this.delegate = t;
    }
    onDragDone(t, e) {
        this.delegate.onDragDone && this.delegate.onDragDone(this.dragingData, e);
    }
    onTouchStart(t) {
        var e = this.delegate.prepareDrag();
        e &&
            ((this.dragingData = e.dragingData),
                (this.dragingNode = e.dragingNode),
                this.node.emit(s.DRAG_START, this, this.dragingData),
                (e = o.default.ViewManager.uiRoot).emit(s.DRAG_START, this, this.dragingData),
                e.on(cc.Node.EventType.TOUCH_MOVE, this.onTouchMove, this, !0),
                e.on(cc.Node.EventType.TOUCH_END, this.onTouchEnd, this, !0),
                e.on(cc.Node.EventType.TOUCH_CANCEL, this.onTouchEnd, this, !0),
                this.delegate.onDragStart(this.dragingData),
                this.dragingNode &&
                ((this.dragingNode.position = e.convertToNodeSpaceAR(t.getLocation())), e.addChild(this.dragingNode)));
    }
    onTouchMove(t) {
        var e;
        this.node.emit(s.DRAGING, this, this.dragingData),
            this.dragingNode &&
            ((e = o.default.ViewManager.uiRoot),
                (this.dragingNode.position = e.convertToNodeSpaceAR(t.getLocation())));
    }
    onTouchEnd(t) {
        this.delegate.onDragEnd && this.delegate.onDragEnd(this.dragingData),
            this.dragingNode && this.dragingNode.removeFromParent(),
            this.node.emit(s.DRAG_END, this, this.dragingData),
            o.default.ViewManager.uiRoot.emit(s.DRAG_END, this, this.dragingData, t),
            o.default.ViewManager.uiRoot.targetOff(this);
    }
}),
(t = e([a], t));
i.default = t;