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/*
* jQuery Foundation Top Bar 2.0.4
* http://foundation.zurb.com
* Copyright 2012, ZURB
* Free to use under the MIT license.
* http://www.opensource.org/licenses/mit-license.php
*/
/*jslint unparam: true, browser: true, indent: 2 */
;(function ($, window, undefined) {
'use strict';
var settings = {
index : 0,
initialized : false
},
methods = {
init : function (options) {
return this.each(function () {
settings = $.extend(settings, options);
settings.$w = $(window),
settings.$topbar = $('nav.top-bar'),
settings.$section = settings.$topbar.find('section'),
settings.$titlebar = settings.$topbar.children('ul:first');
var breakpoint = $("<div class='top-bar-js-breakpoint'/>").appendTo("body");
settings.breakPoint = breakpoint.width();
breakpoint.remove();
if (!settings.initialized) {
methods.assemble();
settings.initialized = true;
}
if (!settings.height) {
methods.largestUL();
}
if (settings.$topbar.parent().hasClass('fixed')) {
$('body').css('padding-top',settings.$topbar.outerHeight())
}
$('.top-bar .toggle-topbar').off('click.fndtn').on('click.fndtn', function (e) {
e.preventDefault();
if (methods.breakpoint()) {
settings.$topbar.toggleClass('expanded');
settings.$topbar.css('min-height', '');
}
if (!settings.$topbar.hasClass('expanded')) {
settings.$section.css({left: '0%'});
settings.$section.find('>.name').css({left: '100%'});
settings.$section.find('li.moved').removeClass('moved');
settings.index = 0;
}
});
// Show the Dropdown Levels on Click
$('.top-bar .has-dropdown>a').off('click.fndtn').on('click.fndtn', function (e) {
if (Modernizr.touch || methods.breakpoint())
e.preventDefault();
if (methods.breakpoint()) {
var $this = $(this),
$selectedLi = $this.closest('li');
settings.index += 1;
$selectedLi.addClass('moved');
settings.$section.css({left: -(100 * settings.index) + '%'});
settings.$section.find('>.name').css({left: 100 * settings.index + '%'});
$this.siblings('ul').height(settings.height + settings.$titlebar.outerHeight(true));
settings.$topbar.css('min-height', settings.height + settings.$titlebar.outerHeight(true) * 2)
}
});
$(window).on('resize.fndtn.topbar',function() {
if (!methods.breakpoint()) {
settings.$topbar.css('min-height', '');
}
});
// Go up a level on Click
$('.top-bar .has-dropdown .back').off('click.fndtn').on('click.fndtn', function (e) {
e.preventDefault();
var $this = $(this),
$movedLi = $this.closest('li.moved'),
$previousLevelUl = $movedLi.parent();
settings.index -= 1;
settings.$section.css({left: -(100 * settings.index) + '%'});
settings.$section.find('>.name').css({'left': 100 * settings.index + '%'});
if (settings.index === 0) {
settings.$topbar.css('min-height', 0);
}
setTimeout(function () {
$movedLi.removeClass('moved');
}, 300);
});
});
},
breakpoint : function () {
return settings.$w.width() < settings.breakPoint;
},
assemble : function () {
// Pull element out of the DOM for manipulation
settings.$section.detach();
settings.$section.find('.has-dropdown>a').each(function () {
var $link = $(this),
$dropdown = $link.siblings('.dropdown'),
$titleLi = $('<li class="title back js-generated"><h5><a href="#"></a></h5></li>');
// Copy link to subnav
$titleLi.find('h5>a').html($link.html());
$dropdown.prepend($titleLi);
});
// Put element back in the DOM
settings.$section.appendTo(settings.$topbar);
},
largestUL : function () {
var uls = settings.$topbar.find('section ul ul'),
largest = uls.first(),
total = 0;
uls.each(function () {
if ($(this).children('li').length > largest.children('li').length) {
largest = $(this);
}
});
largest.children('li').each(function () { total += $(this).outerHeight(true); });
settings.height = total;
}
};
$.fn.foundationTopBar = function (method) {
if (methods[method]) {
return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
} else if (typeof method === 'object' || !method) {
return methods.init.apply(this, arguments);
} else {
$.error('Method ' + method + ' does not exist on jQuery.foundationTopBar');
}
};
// Monitor scroll position for sticky
if ($('.sticky').length > 0) {
var distance = $('.sticky').length ? $('.sticky').offset().top: 0,
$window = $(window);
$window.scroll(function() {
if ( $window.scrollTop() >= distance ) {
$(".sticky").addClass("fixed");
}
else if ( $window.scrollTop() < distance ) {
$(".sticky").removeClass("fixed");
}
});
}
}(jQuery, this));
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