/**
 * jquery.dlmenu.js v1.0.1
 * http://www.codrops.com
 *
 * licensed under the mit license.
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * copyright 2013, codrops
 * http://www.codrops.com
 */
(function(e, t, n) {
	"use strict";
	var r = t.modernizr,
		i = e("body");
	e.dlmenu = function(t, n) {
		this.$el = e(n);
		this._init(t)
	};
	e.dlmenu.defaults = {
		animationclasses: {
			classin: "dl-animate-in-1",
			classout: "dl-animate-out-1"
		},
		onlevelclick: function(e, t) {
			return false
		},
		onlinkclick: function(e, t) {
			return false
		}
	};
	e.dlmenu.prototype = {
		_init: function(t) {
			this.options = e.extend(true, {}, e.dlmenu.defaults, t);
			this._config();
			var n = {
				webkitanimation: "webkitanimationend",
				oanimation: "oanimationend",
				msanimation: "msanimationend",
				animation: "animationend"
			},
				i = {
					webkittransition: "webkittransitionend",
					moztransition: "transitionend",
					otransition: "otransitionend",
					mstransition: "mstransitionend",
					transition: "transitionend"
				};
			this.animendeventname = n[r.prefixed("animation")] + ".dlmenu";
			this.transendeventname = i[r.prefixed("transition")] + ".dlmenu", this.supportanimations = r.cssanimations, this.supporttransitions = r.csstransitions;
			this._initevents()
		},
		_config: function() {
			this.open = false;
			this.$trigger = this.$el.children(".dl-trigger");
			this.$menu = this.$el.children("ul.dl-menu");
			this.$menuitems = this.$menu.find("li:not(.dl-back)");
			this.$el.find("ul.dl-submenu").prepend('<li class="dl-back"><a href="#">返回上一级</a></li>');
			this.$back = this.$menu.find("li.dl-back")
		},
		_initevents: function() {
			var t = this;
			this.$trigger.on("click.dlmenu", function() {
				if (t.open) {
					t._closemenu()
				} else {
					t._openmenu()
				}
				return false
			});
			this.$menuitems.on("click.dlmenu", function(n) {
				n.stoppropagation();
				var r = e(this),
					i = r.children("ul.dl-submenu");
				if (i.length > 0) {
					var s = i.clone().css("opacity", 0).insertafter(t.$menu),
						o = function() {
							t.$menu.off(t.animendeventname).removeclass(t.options.animationclasses.classout).addclass("dl-subview");
							r.addclass("dl-subviewopen").parents(".dl-subviewopen:first").removeclass("dl-subviewopen").addclass("dl-subview");
							s.remove()
						};
					settimeout(function() {
						s.addclass(t.options.animationclasses.classin);
						t.$menu.addclass(t.options.animationclasses.classout);
						if (t.supportanimations) {
							t.$menu.on(t.animendeventname, o)
						} else {
							o.call()
						}
						t.options.onlevelclick(r, r.children("a:first").text())
					});
					return false
				} else {
					t.options.onlinkclick(r, n)
				}
			});
			this.$back.on("click.dlmenu", function(n) {
				var r = e(this),
					i = r.parents("ul.dl-submenu:first"),
					s = i.parent(),
					o = i.clone().insertafter(t.$menu);
				var u = function() {
						t.$menu.off(t.animendeventname).removeclass(t.options.animationclasses.classin);
						o.remove()
					};
				settimeout(function() {
					o.addclass(t.options.animationclasses.classout);
					t.$menu.addclass(t.options.animationclasses.classin);
					if (t.supportanimations) {
						t.$menu.on(t.animendeventname, u)
					} else {
						u.call()
					}
					s.removeclass("dl-subviewopen");
					var e = r.parents(".dl-subview:first");
					if (e.is("li")) {
						e.addclass("dl-subviewopen")
					}
					e.removeclass("dl-subview")
				});
				return false
			})
		},
		closemenu: function() {
			if (this.open) {
				this._closemenu()
			}
		},
		_closemenu: function() {
			var e = this,
				t = function() {
					e.$menu.off(e.transendeventname);
					e._resetmenu()
				};
			this.$menu.removeclass("dl-menuopen");
			this.$menu.addclass("dl-menu-toggle");
			this.$trigger.removeclass("dl-active");
			if (this.supporttransitions) {
				this.$menu.on(this.transendeventname, t)
			} else {
				t.call()
			}
			this.open = false
		},
		openmenu: function() {
			if (!this.open) {
				this._openmenu()
			}
		},
		_openmenu: function() {
			var t = this;
			i.off("click").on("click.dlmenu", function() {
				t._closemenu()
			});
			this.$menu.addclass("dl-menuopen dl-menu-toggle").on(this.transendeventname, function() {
				e(this).removeclass("dl-menu-toggle")
			});
			this.$trigger.addclass("dl-active");
			this.open = true
		},
		_resetmenu: function() {
			this.$menu.removeclass("dl-subview");
			this.$menuitems.removeclass("dl-subview dl-subviewopen")
		}
	};
	var s = function(e) {
			if (t.console) {
				t.console.error(e)
			}
		};
	e.fn.dlmenu = function(t) {
		if (typeof t === "string") {
			var n = array.prototype.slice.call(arguments, 1);
			this.each(function() {
				var r = e.data(this, "dlmenu");
				if (!r) {
					s("cannot call methods on dlmenu prior to initialization; " + "attempted to call method '" + t + "'");
					return
				}
				if (!e.isfunction(r[t]) || t.charat(0) === "_") {
					s("no such method '" + t + "' for dlmenu instance");
					return
				}
				r[t].apply(r, n)
			})
		} else {
			this.each(function() {
				var n = e.data(this, "dlmenu");
				if (n) {
					n._init()
				} else {
					n = e.data(this, "dlmenu", new e.dlmenu(t, this))
				}
			})
		}
		return this
	}
})(jquery, window)