MiaoDaren/assets/scripts/Droppable.js

var t = require;
var e = module;
var i = exports;
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 });
const s = t("App"),
    o = t("Draggable"),
    { ccclass: a, menu: n } = cc._decorator;
(t = class extends cc.Component {
    constructor() {
        super(...arguments),
            (this.canDrop = !1),
            (this.delegate = {
                checkCanDrop: function() {
                    return !0;
                },
                onDragIn: function() {
                    return null;
                },
                onDragOut: function() {
                    return null;
                },
                onDrop: function() {
                    return null;
                },
                onDropCancel: function() {
                    return null;
                },
                onDropEnd: function() {
                    return null;
                }
            }),
            (this.isDragingIn = !1);
    }
    start() {}
    onEnable() {
        s.default.ViewManager.uiRoot.on(o.DragEventType.DRAG_START, this.onDragStart, this),
            s.default.ViewManager.uiRoot.on(o.DragEventType.DRAG_END, this.onDragEnd, this);
    }
    onDisable() {
        s.default.ViewManager.uiRoot.off(o.DragEventType.DRAG_START, this.onDragStart, this),
            s.default.ViewManager.uiRoot.off(o.DragEventType.DRAG_END, this.onDragEnd, this);
    }
    setTouchNode(t) {
        s.default.ViewManager.uiRoot.off(o.DragEventType.DRAG_START, this.onDragStart, this),
            s.default.ViewManager.uiRoot.off(o.DragEventType.DRAG_END, this.onDragEnd, this),
            s.default.ViewManager.uiRoot.on(o.DragEventType.DRAG_START, this.onDragStart, this),
            s.default.ViewManager.uiRoot.on(o.DragEventType.DRAG_END, this.onDragEnd, this);
    }
    setDelegate(t) {
        this.delegate = t;
    }
    onDragStart(t, e) {
        t.node != this.node &&
            ((this.dragingSource = t),
                (this.dragingData = e),
                s.default.ViewManager.uiRoot.on(cc.Node.EventType.TOUCH_MOVE, this.onTouchMove, this, !0),
                (this.canDrop = this.delegate.checkCanDrop(this.dragingSource, this.dragingData)));
    }
    onDragEnd(t, e, i) {
        s.default.ViewManager.uiRoot.off(cc.Node.EventType.TOUCH_MOVE, this.onTouchMove, this);
        i = this.node.getBoundingBoxToWorld().contains(i.getLocation());
        i && this.isDragingIn && this.canDrop ?
            (this.delegate.onDrop && this.delegate.onDrop(this.dragingSource, this.dragingData),
                this.node.emit(o.DragEventType.DROP, this, this.dragingData),
                t.onDragDone(e, this)) :
            i ||
            (this.delegate.onDropCancel && this.delegate.onDropCancel(this.dragingSource, this.dragingData),
                this.node.emit(o.DragEventType.CANCEL, this, this.dragingData)),
            this.canDrop &&
            (this.delegate.onDropEnd && this.delegate.onDropEnd(this.dragingSource, this.dragingData),
                this.node.emit(o.DragEventType.DRAG_END, this, this.dragingData)),
            (this.isDragingIn = !1),
            (this.dragingData = null),
            (this.dragingSource = null),
            (this.canDrop = !1);
    }
    onTouchMove(t) {
        t = this.node.getBoundingBoxToWorld().contains(t.getLocation());
        t
            ?
            this.canDrop &&
            (this.isDragingIn ?
                this.node.emit(o.DragEventType.DRAGING, this, this.dragingData) :
                ((this.isDragingIn = !0),
                    this.delegate.onDragIn && this.delegate.onDragIn(this.dragingSource, this.dragingData),
                    this.node.emit(o.DragEventType.DRAGING_IN, this, this.dragingData))) :
            !t &&
            this.isDragingIn &&
            this.canDrop &&
            ((this.isDragingIn = !1),
                this.delegate.onDragOut && this.delegate.onDragOut(this.dragingSource, this.dragingData),
                this.node.emit(o.DragEventType.DRAGING_OUT, this, this.dragingData));
    }
}),
(t = e([a], t));
i.default = t;