/*! jQuery UI - v1.8.23 - 2012-08-15
 * https://github.com/jquery/jquery-ui
 * Includes: jquery.ui.droppable.js
 * Copyright (c) 2012 AUTHORS.txt; Licensed MIT, GPL */
(function (a, b) {
    a.widget("ui.droppable", {
        widgetEventPrefix: "drop",
        options: {accept: "*", activeClass: !1, addClasses: !0, greedy: !1, hoverClass: !1, scope: "default", tolerance: "intersect"},
        _create: function () {
            var b = this.options, c = b.accept;
            this.isover = 0, this.isout = 1, this.accept = a.isFunction(c) ? c : function (a) {
                return a.is(c)
            }, this.proportions = {
                width: this.element[0].offsetWidth,
                height: this.element[0].offsetHeight
            }, a.ui.ddmanager.droppables[b.scope] = a.ui.ddmanager.droppables[b.scope] || [], a.ui.ddmanager.droppables[b.scope].push(this), b.addClasses && this.element.addClass("ui-droppable")
        },
        destroy: function () {
            var b = a.ui.ddmanager.droppables[this.options.scope];
            for (var c = 0; c < b.length; c++)b[c] == this && b.splice(c, 1);
            return this.element.removeClass("ui-droppable ui-droppable-disabled").removeData("droppable").unbind(".droppable"), this
        },
        _setOption: function (b, c) {
            b == "accept" && (this.accept = a.isFunction(c) ? c : function (a) {
                return a.is(c)
            }), a.Widget.prototype._setOption.apply(this, arguments)
        },
        _activate: function (b) {
            var c = a.ui.ddmanager.current;
            this.options.activeClass && this.element.addClass(this.options.activeClass), c && this._trigger("activate", b, this.ui(c))
        },
        _deactivate: function (b) {
            var c = a.ui.ddmanager.current;
            this.options.activeClass && this.element.removeClass(this.options.activeClass), c && this._trigger("deactivate", b, this.ui(c))
        },
        _over: function (b) {
            var c = a.ui.ddmanager.current;
            if (!c || (c.currentItem || c.element)[0] == this.element[0])return;
            this.accept.call(this.element[0], c.currentItem || c.element) && (this.options.hoverClass && this.element.addClass(this.options.hoverClass), this._trigger("over", b, this.ui(c)))
        },
        _out: function (b) {
            var c = a.ui.ddmanager.current;
            if (!c || (c.currentItem || c.element)[0] == this.element[0])return;
            this.accept.call(this.element[0], c.currentItem || c.element) && (this.options.hoverClass && this.element.removeClass(this.options.hoverClass), this._trigger("out", b, this.ui(c)))
        },
        _drop: function (b, c) {
            var d = c || a.ui.ddmanager.current;
            if (!d || (d.currentItem || d.element)[0] == this.element[0])return !1;
            var e = !1;
            return this.element.find(":data(droppable)").not(".ui-draggable-dragging").each(function () {
                var b = a.data(this, "droppable");
                if (b.options.greedy && !b.options.disabled && b.options.scope == d.options.scope && b.accept.call(b.element[0], d.currentItem || d.element) && a.ui.intersect(d, a.extend(b, {offset: b.element.offset()}), b.options.tolerance))return e = !0, !1
            }), e ? !1 : this.accept.call(this.element[0], d.currentItem || d.element) ? (this.options.activeClass && this.element.removeClass(this.options.activeClass), this.options.hoverClass && this.element.removeClass(this.options.hoverClass), this._trigger("drop", b, this.ui(d)), this.element) : !1
        },
        ui: function (a) {
            return {draggable: a.currentItem || a.element, helper: a.helper, position: a.position, offset: a.positionAbs}
        }
    }), a.extend(a.ui.droppable, {version: "1.8.23"}), a.ui.intersect = function (b, c, d) {
        if (!c.offset)return !1;
        var e = (b.positionAbs || b.position.absolute).left, f = e + b.helperProportions.width, g = (b.positionAbs || b.position.absolute).top, h = g + b.helperProportions.height, i = c.offset.left, j = i + c.proportions.width, k = c.offset.top, l = k + c.proportions.height;
        switch (d) {
            case"fit":
                return i <= e && f <= j && k <= g && h <= l;
            case"intersect":
                return i < e + b.helperProportions.width / 2 && f - b.helperProportions.width / 2 < j && k < g + b.helperProportions.height / 2 && h - b.helperProportions.height / 2 < l;
            case"pointer":
                var m = (b.positionAbs || b.position.absolute).left + (b.clickOffset || b.offset.click).left, n = (b.positionAbs || b.position.absolute).top + (b.clickOffset || b.offset.click).top, o = a.ui.isOver(n, m, k, i, c.proportions.height, c.proportions.width);
                return o;
            case"touch":
                return (g >= k && g <= l || h >= k && h <= l || g < k && h > l) && (e >= i && e <= j || f >= i && f <= j || e < i && f > j);
            default:
                return !1
        }
    }, a.ui.ddmanager = {
        current: null, droppables: {"default": []}, prepareOffsets: function (b, c) {
            var d = a.ui.ddmanager.droppables[b.options.scope] || [], e = c ? c.type : null, f = (b.currentItem || b.element).find(":data(droppable)").andSelf();
            g:for (var h = 0; h < d.length; h++) {
                if (d[h].options.disabled || b && !d[h].accept.call(d[h].element[0], b.currentItem || b.element))continue;
                for (var i = 0; i < f.length; i++)if (f[i] == d[h].element[0]) {
                    d[h].proportions.height = 0;
                    continue g
                }
                d[h].visible = d[h].element.css("display") != "none";
                if (!d[h].visible)continue;
                e == "mousedown" && d[h]._activate.call(d[h], c), d[h].offset = d[h].element.offset(), d[h].proportions = {
                    width: d[h].element[0].offsetWidth,
                    height: d[h].element[0].offsetHeight
                }
            }
        }, drop: function (b, c) {
            var d = !1;
            return a.each(a.ui.ddmanager.droppables[b.options.scope] || [], function () {
                if (!this.options)return;
                !this.options.disabled && this.visible && a.ui.intersect(b, this, this.options.tolerance) && (d = this._drop.call(this, c) || d), !this.options.disabled && this.visible && this.accept.call(this.element[0], b.currentItem || b.element) && (this.isout = 1, this.isover = 0, this._deactivate.call(this, c))
            }), d
        }, dragStart: function (b, c) {
            b.element.parents(":not(body,html)").bind("scroll.droppable", function () {
                b.options.refreshPositions || a.ui.ddmanager.prepareOffsets(b, c)
            })
        }, drag: function (b, c) {
            b.options.refreshPositions && a.ui.ddmanager.prepareOffsets(b, c), a.each(a.ui.ddmanager.droppables[b.options.scope] || [], function () {
                if (this.options.disabled || this.greedyChild || !this.visible)return;
                var d = a.ui.intersect(b, this, this.options.tolerance), e = !d && this.isover == 1 ? "isout" : d && this.isover == 0 ? "isover" : null;
                if (!e)return;
                var f;
                if (this.options.greedy) {
                    var g = this.element.parents(":data(droppable):eq(0)");
                    g.length && (f = a.data(g[0], "droppable"), f.greedyChild = e == "isover" ? 1 : 0)
                }
                f && e == "isover" && (f.isover = 0, f.isout = 1, f._out.call(f, c)), this[e] = 1, this[e == "isout" ? "isover" : "isout"] = 0, this[e == "isover" ? "_over" : "_out"].call(this, c), f && e == "isout" && (f.isout = 0, f.isover = 1, f._over.call(f, c))
            })
        }, dragStop: function (b, c) {
            b.element.parents(":not(body,html)").unbind("scroll.droppable"), b.options.refreshPositions || a.ui.ddmanager.prepareOffsets(b, c)
        }
    }
})(jQuery);