/* ========================================================================
 * Bootstrap: dropdown.js v3.0.0
 * http://twbs.github.com/bootstrap/javascript.html#dropdowns
 * ========================================================================
 * Copyright 2012 Twitter, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ======================================================================== */

+(function ($) {
	"use strict";

	// DROPDOWN CLASS DEFINITION
	// =========================

	var backdrop = ".dropdown-backdrop";
	var toggle = "[data-toggle=dropdown]";
	var Dropdown = function (element) {
		var $el = $(element).on("click.bs.dropdown", this.toggle);
	};

	Dropdown.prototype.toggle = function (e) {
		var $this = $(this);

		if ($this.is(".disabled, :disabled")) return;

		var $parent = getParent($this);
		var isActive = $parent.hasClass("open");

		console.log("##### e", isActive);

		clearMenus();

		if (!isActive) {
			if (
				"ontouchstart" in document.documentElement &&
				!$parent.closest(".navbar-nav").length
			) {
				// if mobile we we use a backdrop because click events don't delegate
				$('<div class="dropdown-backdrop"/>')
					.insertAfter($(this))
					.on("click", clearMenus);
			}

			$parent.trigger((e = $.Event("show.bs.dropdown")));

			if (e.isDefaultPrevented()) return;

			$parent.toggleClass("open").trigger("shown.bs.dropdown");

			$this.focus();
		}

		return false;
	};

	Dropdown.prototype.keydown = function (e) {
		if (!/(38|40|27)/.test(e.keyCode)) return;

		var $this = $(this);

		e.preventDefault();
		e.stopPropagation();

		if ($this.is(".disabled, :disabled")) return;

		var $parent = getParent($this);
		var isActive = $parent.hasClass("open");

		if (!isActive || (isActive && e.keyCode == 27)) {
			if (e.which == 27) $parent.find(toggle).focus();
			return $this.click();
		}

		var $items = $("[role=menu] li:not(.divider):visible a", $parent);

		if (!$items.length) return;

		var index = $items.index($items.filter(":focus"));

		if (e.keyCode == 38 && index > 0) index--; // up
		if (e.keyCode == 40 && index < $items.length - 1) index++; // down
		if (!~index) index = 0;

		$items.eq(index).focus();
	};

	function clearMenus() {
		$(backdrop).remove();
		$(toggle).each(function (e) {
			var $parent = getParent($(this));
			if (!$parent.hasClass("open")) return;
			$parent.trigger((e = $.Event("hide.bs.dropdown")));
			if (e.isDefaultPrevented()) return;
			$parent.removeClass("open").trigger("hidden.bs.dropdown");
		});
	}

	function getParent($this) {
		var selector = $this.attr("data-target");

		if (!selector) {
			selector = $this.attr("href");
			selector =
				selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, ""); //strip for ie7
		}

		var $parent = selector && $(selector);

		return $parent && $parent.length ? $parent : $this.parent();
	}

	// DROPDOWN PLUGIN DEFINITION
	// ==========================

	var old = $.fn.dropdown;

	$.fn.dropdown = function (option) {
		return this.each(function () {
			var $this = $(this);
			var data = $this.data("dropdown");

			if (!data) $this.data("dropdown", (data = new Dropdown(this)));
			if (typeof option == "string") data[option].call($this);
		});
	};

	$.fn.dropdown.Constructor = Dropdown;

	// DROPDOWN NO CONFLICT
	// ====================

	$.fn.dropdown.noConflict = function () {
		$.fn.dropdown = old;
		return this;
	};

	// APPLY TO STANDARD DROPDOWN ELEMENTS
	// ===================================

	$(document)
		.on("click.bs.dropdown.data-api", clearMenus)
		.on("click.bs.dropdown.data-api", ".dropdown form", function (e) {
			e.stopPropagation();
		})
		.on("click.bs.dropdown.data-api", toggle, Dropdown.prototype.toggle)
		.on(
			"keydown.bs.dropdown.data-api",
			toggle + ", [role=menu]",
			Dropdown.prototype.keydown
		);
})(window.jQuery);