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382 lines
12 KiB
382 lines
12 KiB
11 years ago
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;(function ($, window, document, undefined) {
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'use strict';
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Foundation.libs.topbar = {
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name : 'topbar',
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version: '5.0.3',
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settings : {
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index : 0,
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sticky_class : 'sticky',
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custom_back_text: true,
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back_text: 'Back',
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is_hover: true,
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mobile_show_parent_link: false,
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scrolltop : true // jump to top when sticky nav menu toggle is clicked
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},
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init : function (section, method, options) {
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Foundation.inherit(this, 'addCustomRule register_media throttle');
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var self = this;
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self.register_media('topbar', 'foundation-mq-topbar');
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this.bindings(method, options);
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$('[data-topbar]', this.scope).each(function () {
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var topbar = $(this),
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settings = topbar.data('topbar-init'),
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section = $('section', this),
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titlebar = $('> ul', this).first();
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topbar.data('index', 0);
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var topbarContainer = topbar.parent();
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if(topbarContainer.hasClass('fixed') || topbarContainer.hasClass(settings.sticky_class)) {
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self.settings.sticky_class = settings.sticky_class;
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self.settings.sticky_topbar = topbar;
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topbar.data('height', topbarContainer.outerHeight());
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topbar.data('stickyoffset', topbarContainer.offset().top);
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} else {
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topbar.data('height', topbar.outerHeight());
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}
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if (!settings.assembled) self.assemble(topbar);
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if (settings.is_hover) {
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$('.has-dropdown', topbar).addClass('not-click');
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} else {
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$('.has-dropdown', topbar).removeClass('not-click');
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}
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// Pad body when sticky (scrolled) or fixed.
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self.addCustomRule('.f-topbar-fixed { padding-top: ' + topbar.data('height') + 'px }');
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if (topbarContainer.hasClass('fixed')) {
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$('body').addClass('f-topbar-fixed');
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}
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});
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},
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toggle: function (toggleEl) {
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var self = this;
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if (toggleEl) {
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var topbar = $(toggleEl).closest('[data-topbar]');
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} else {
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var topbar = $('[data-topbar]');
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}
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var settings = topbar.data('topbar-init');
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var section = $('section, .section', topbar);
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if (self.breakpoint()) {
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if (!self.rtl) {
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section.css({left: '0%'});
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$('>.name', section).css({left: '100%'});
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} else {
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section.css({right: '0%'});
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$('>.name', section).css({right: '100%'});
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}
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$('li.moved', section).removeClass('moved');
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topbar.data('index', 0);
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topbar
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.toggleClass('expanded')
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.css('height', '');
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}
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if (settings.scrolltop) {
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if (!topbar.hasClass('expanded')) {
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if (topbar.hasClass('fixed')) {
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topbar.parent().addClass('fixed');
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topbar.removeClass('fixed');
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$('body').addClass('f-topbar-fixed');
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}
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} else if (topbar.parent().hasClass('fixed')) {
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if (settings.scrolltop) {
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topbar.parent().removeClass('fixed');
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topbar.addClass('fixed');
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$('body').removeClass('f-topbar-fixed');
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window.scrollTo(0,0);
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} else {
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topbar.parent().removeClass('expanded');
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}
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}
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} else {
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if(topbar.parent().hasClass(self.settings.sticky_class)) {
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topbar.parent().addClass('fixed');
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}
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if(topbar.parent().hasClass('fixed')) {
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if (!topbar.hasClass('expanded')) {
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topbar.removeClass('fixed');
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topbar.parent().removeClass('expanded');
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self.update_sticky_positioning();
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} else {
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topbar.addClass('fixed');
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topbar.parent().addClass('expanded');
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$('body').addClass('f-topbar-fixed');
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}
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}
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}
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},
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timer : null,
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events : function (bar) {
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var self = this;
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$(this.scope)
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.off('.topbar')
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.on('click.fndtn.topbar', '[data-topbar] .toggle-topbar', function (e) {
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e.preventDefault();
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self.toggle(this);
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})
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.on('click.fndtn.topbar', '[data-topbar] li.has-dropdown', function (e) {
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var li = $(this),
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target = $(e.target),
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topbar = li.closest('[data-topbar]'),
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settings = topbar.data('topbar-init');
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if(target.data('revealId')) {
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self.toggle();
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return;
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}
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if (self.breakpoint()) return;
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if (settings.is_hover && !Modernizr.touch) return;
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e.stopImmediatePropagation();
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if (li.hasClass('hover')) {
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li
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.removeClass('hover')
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.find('li')
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.removeClass('hover');
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li.parents('li.hover')
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.removeClass('hover');
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} else {
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li.addClass('hover');
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if (target[0].nodeName === 'A' && target.parent().hasClass('has-dropdown')) {
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e.preventDefault();
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}
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}
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})
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.on('click.fndtn.topbar', '[data-topbar] .has-dropdown>a', function (e) {
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if (self.breakpoint()) {
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e.preventDefault();
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var $this = $(this),
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topbar = $this.closest('[data-topbar]'),
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section = topbar.find('section, .section'),
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dropdownHeight = $this.next('.dropdown').outerHeight(),
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$selectedLi = $this.closest('li');
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topbar.data('index', topbar.data('index') + 1);
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$selectedLi.addClass('moved');
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if (!self.rtl) {
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section.css({left: -(100 * topbar.data('index')) + '%'});
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section.find('>.name').css({left: 100 * topbar.data('index') + '%'});
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} else {
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section.css({right: -(100 * topbar.data('index')) + '%'});
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section.find('>.name').css({right: 100 * topbar.data('index') + '%'});
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}
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topbar.css('height', $this.siblings('ul').outerHeight(true) + topbar.data('height'));
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}
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});
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$(window).off('.topbar').on('resize.fndtn.topbar', self.throttle(function () {
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self.resize.call(self);
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}, 50)).trigger('resize');
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$('body').off('.topbar').on('click.fndtn.topbar touchstart.fndtn.topbar', function (e) {
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var parent = $(e.target).closest('li').closest('li.hover');
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if (parent.length > 0) {
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return;
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}
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$('[data-topbar] li').removeClass('hover');
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});
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// Go up a level on Click
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$(this.scope).on('click.fndtn.topbar', '[data-topbar] .has-dropdown .back', function (e) {
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e.preventDefault();
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var $this = $(this),
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topbar = $this.closest('[data-topbar]'),
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section = topbar.find('section, .section'),
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settings = topbar.data('topbar-init'),
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$movedLi = $this.closest('li.moved'),
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$previousLevelUl = $movedLi.parent();
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topbar.data('index', topbar.data('index') - 1);
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if (!self.rtl) {
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section.css({left: -(100 * topbar.data('index')) + '%'});
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section.find('>.name').css({left: 100 * topbar.data('index') + '%'});
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} else {
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section.css({right: -(100 * topbar.data('index')) + '%'});
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section.find('>.name').css({right: 100 * topbar.data('index') + '%'});
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}
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if (topbar.data('index') === 0) {
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topbar.css('height', '');
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} else {
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topbar.css('height', $previousLevelUl.outerHeight(true) + topbar.data('height'));
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}
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setTimeout(function () {
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$movedLi.removeClass('moved');
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}, 300);
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});
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},
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resize : function () {
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var self = this;
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$('[data-topbar]').each(function () {
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var topbar = $(this),
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settings = topbar.data('topbar-init');
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var stickyContainer = topbar.parent('.' + self.settings.sticky_class);
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var stickyOffset;
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if (!self.breakpoint()) {
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var doToggle = topbar.hasClass('expanded');
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topbar
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.css('height', '')
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.removeClass('expanded')
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.find('li')
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.removeClass('hover');
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if(doToggle) {
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self.toggle(topbar);
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}
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}
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if(stickyContainer.length > 0) {
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if(stickyContainer.hasClass('fixed')) {
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// Remove the fixed to allow for correct calculation of the offset.
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stickyContainer.removeClass('fixed');
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stickyOffset = stickyContainer.offset().top;
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if($(document.body).hasClass('f-topbar-fixed')) {
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stickyOffset -= topbar.data('height');
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}
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topbar.data('stickyoffset', stickyOffset);
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stickyContainer.addClass('fixed');
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} else {
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stickyOffset = stickyContainer.offset().top;
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topbar.data('stickyoffset', stickyOffset);
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}
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}
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});
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},
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breakpoint : function () {
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return !matchMedia(Foundation.media_queries['topbar']).matches;
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},
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assemble : function (topbar) {
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var self = this,
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settings = topbar.data('topbar-init'),
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section = $('section', topbar),
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titlebar = $('> ul', topbar).first();
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// Pull element out of the DOM for manipulation
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section.detach();
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$('.has-dropdown>a', section).each(function () {
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var $link = $(this),
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$dropdown = $link.siblings('.dropdown'),
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url = $link.attr('href');
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if (settings.mobile_show_parent_link && url && url.length > 1) {
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var $titleLi = $('<li class="title back js-generated"><h5><a href="javascript:void(0)"></a></h5></li><li><a class="parent-link js-generated" href="' + url + '">' + $link.text() +'</a></li>');
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} else {
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var $titleLi = $('<li class="title back js-generated"><h5><a href="javascript:void(0)"></a></h5></li>');
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}
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// Copy link to subnav
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if (settings.custom_back_text == true) {
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$('h5>a', $titleLi).html(settings.back_text);
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} else {
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$('h5>a', $titleLi).html('« ' + $link.html());
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}
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$dropdown.prepend($titleLi);
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});
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// Put element back in the DOM
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section.appendTo(topbar);
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// check for sticky
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this.sticky();
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this.assembled(topbar);
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},
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assembled : function (topbar) {
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topbar.data('topbar-init', $.extend({}, topbar.data('topbar-init'), {assembled: true}));
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},
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height : function (ul) {
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var total = 0,
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self = this;
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$('> li', ul).each(function () { total += $(this).outerHeight(true); });
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return total;
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},
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sticky : function () {
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var $window = $(window),
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self = this;
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$(window).on('scroll', function() {
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self.update_sticky_positioning();
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});
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},
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update_sticky_positioning: function() {
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var klass = '.' + this.settings.sticky_class;
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var $window = $(window);
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if ($(klass).length > 0) {
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var distance = this.settings.sticky_topbar.data('stickyoffset');
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if (!$(klass).hasClass('expanded')) {
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if ($window.scrollTop() > (distance)) {
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if (!$(klass).hasClass('fixed')) {
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$(klass).addClass('fixed');
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$('body').addClass('f-topbar-fixed');
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}
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} else if ($window.scrollTop() <= distance) {
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if ($(klass).hasClass('fixed')) {
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$(klass).removeClass('fixed');
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$('body').removeClass('f-topbar-fixed');
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}
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}
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}
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}
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},
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off : function () {
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$(this.scope).off('.fndtn.topbar');
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$(window).off('.fndtn.topbar');
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},
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reflow : function () {}
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};
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}(jQuery, this, this.document));
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