;(function ($, window, document, undefined) {
'use strict';
Foundation.libs.topbar = {
name : 'topbar',
version: '5.0.1',
settings : {
index : 0,
sticky_class : 'sticky',
custom_back_text: true,
back_text: 'Back',
is_hover: true,
mobile_show_parent_link: false,
scrolltop : true // jump to top when sticky nav menu toggle is clicked
},
init : function (section, method, options) {
Foundation.inherit(this, 'addCustomRule register_media throttle');
var self = this;
self.register_media('topbar', 'foundation-mq-topbar');
this.bindings(method, options);
$('[data-topbar]', this.scope).each(function () {
var topbar = $(this),
settings = topbar.data('topbar-init'),
section = $('section', this),
titlebar = $('> ul', this).first();
topbar.data('index', 0);
var topbarContainer = topbar.parent();
if(topbarContainer.hasClass('fixed') || topbarContainer.hasClass(settings.sticky_class)) {
self.settings.sticky_class = settings.sticky_class;
self.settings.stick_topbar = topbar;
topbar.data('height', topbarContainer.outerHeight());
topbar.data('stickyoffset', topbarContainer.offset().top);
} else {
topbar.data('height', topbar.outerHeight());
}
if (!settings.assembled) self.assemble(topbar);
if (settings.is_hover) {
$('.has-dropdown', topbar).addClass('not-click');
} else {
$('.has-dropdown', topbar).removeClass('not-click');
}
// Pad body when sticky (scrolled) or fixed.
self.addCustomRule('.f-topbar-fixed { padding-top: ' + topbar.data('height') + 'px }');
if (topbarContainer.hasClass('fixed')) {
$('body').addClass('f-topbar-fixed');
}
});
},
toggle: function (toggleEl) {
var self = this;
if (toggleEl) {
var topbar = $(toggleEl).closest('[data-topbar]');
} else {
var topbar = $('[data-topbar]');
}
var settings = topbar.data('topbar-init');
var section = $('section, .section', topbar);
if (self.breakpoint()) {
if (!self.rtl) {
section.css({left: '0%'});
$('>.name', section).css({left: '100%'});
} else {
section.css({right: '0%'});
$('>.name', section).css({right: '100%'});
}
$('li.moved', section).removeClass('moved');
topbar.data('index', 0);
topbar
.toggleClass('expanded')
.css('height', '');
}
if (settings.scrolltop) {
if (!topbar.hasClass('expanded')) {
if (topbar.hasClass('fixed')) {
topbar.parent().addClass('fixed');
topbar.removeClass('fixed');
$('body').addClass('f-topbar-fixed');
}
} else if (topbar.parent().hasClass('fixed')) {
if (settings.scrolltop) {
topbar.parent().removeClass('fixed');
topbar.addClass('fixed');
$('body').removeClass('f-topbar-fixed');
window.scrollTo(0,0);
} else {
topbar.parent().removeClass('expanded');
}
}
} else {
if(topbar.parent().hasClass(self.settings.sticky_class)) {
topbar.parent().addClass('fixed');
}
if(topbar.parent().hasClass('fixed')) {
if (!topbar.hasClass('expanded')) {
topbar.removeClass('fixed');
topbar.parent().removeClass('expanded');
self.update_sticky_positioning();
} else {
topbar.addClass('fixed');
topbar.parent().addClass('expanded');
}
}
}
},
timer : null,
events : function (bar) {
var self = this;
$(this.scope)
.off('.topbar')
.on('click.fndtn.topbar', '[data-topbar] .toggle-topbar', function (e) {
e.preventDefault();
self.toggle(this);
})
.on('click.fndtn.topbar', '[data-topbar] li.has-dropdown', function (e) {
var li = $(this),
target = $(e.target),
topbar = li.closest('[data-topbar]'),
settings = topbar.data('topbar-init');
if(target.data('revealId')) {
self.toggle();
return;
}
if (self.breakpoint()) return;
if (settings.is_hover && !Modernizr.touch) return;
e.stopImmediatePropagation();
if (li.hasClass('hover')) {
li
.removeClass('hover')
.find('li')
.removeClass('hover');
li.parents('li.hover')
.removeClass('hover');
} else {
li.addClass('hover');
if (target[0].nodeName === 'A' && target.parent().hasClass('has-dropdown')) {
e.preventDefault();
}
}
})
.on('click.fndtn.topbar', '[data-topbar] .has-dropdown>a', function (e) {
if (self.breakpoint()) {
e.preventDefault();
var $this = $(this),
topbar = $this.closest('[data-topbar]'),
section = topbar.find('section, .section'),
dropdownHeight = $this.next('.dropdown').outerHeight(),
$selectedLi = $this.closest('li');
topbar.data('index', topbar.data('index') + 1);
$selectedLi.addClass('moved');
if (!self.rtl) {
section.css({left: -(100 * topbar.data('index')) + '%'});
section.find('>.name').css({left: 100 * topbar.data('index') + '%'});
} else {
section.css({right: -(100 * topbar.data('index')) + '%'});
section.find('>.name').css({right: 100 * topbar.data('index') + '%'});
}
topbar.css('height', $this.siblings('ul').outerHeight(true) + topbar.data('height'));
}
});
$(window).off('.topbar').on('resize.fndtn.topbar', self.throttle(function () {
self.resize.call(self);
}, 50)).trigger('resize');
$('body').off('.topbar').on('click.fndtn.topbar touchstart.fndtn.topbar', function (e) {
var parent = $(e.target).closest('li').closest('li.hover');
if (parent.length > 0) {
return;
}
$('[data-topbar] li').removeClass('hover');
});
// Go up a level on Click
$(this.scope).on('click.fndtn.topbar', '[data-topbar] .has-dropdown .back', function (e) {
e.preventDefault();
var $this = $(this),
topbar = $this.closest('[data-topbar]'),
section = topbar.find('section, .section'),
settings = topbar.data('topbar-init'),
$movedLi = $this.closest('li.moved'),
$previousLevelUl = $movedLi.parent();
topbar.data('index', topbar.data('index') - 1);
if (!self.rtl) {
section.css({left: -(100 * topbar.data('index')) + '%'});
section.find('>.name').css({left: 100 * topbar.data('index') + '%'});
} else {
section.css({right: -(100 * topbar.data('index')) + '%'});
section.find('>.name').css({right: 100 * topbar.data('index') + '%'});
}
if (topbar.data('index') === 0) {
topbar.css('height', '');
} else {
topbar.css('height', $previousLevelUl.outerHeight(true) + topbar.data('height'));
}
setTimeout(function () {
$movedLi.removeClass('moved');
}, 300);
});
},
resize : function () {
var self = this;
$('[data-topbar]').each(function () {
var topbar = $(this),
settings = topbar.data('topbar-init');
var stickyContainer = topbar.parent('.' + self.settings.sticky_class);
var stickyOffset;
if (!self.breakpoint()) {
var doToggle = topbar.hasClass('expanded');
topbar
.css('height', '')
.removeClass('expanded')
.find('li')
.removeClass('hover');
if(doToggle) {
self.toggle(topbar);
}
}
if(stickyContainer.length > 0) {
if(stickyContainer.hasClass('fixed')) {
// Remove the fixed to allow for correct calculation of the offset.
stickyContainer.removeClass('fixed');
stickyOffset = stickyContainer.offset().top;
if($(document.body).hasClass('f-topbar-fixed')) {
stickyOffset -= topbar.data('height');
}
topbar.data('stickyoffset', stickyOffset);
stickyContainer.addClass('fixed');
} else {
stickyOffset = stickyContainer.offset().top;
topbar.data('stickyoffset', stickyOffset);
}
}
});
},
breakpoint : function () {
return !matchMedia(Foundation.media_queries['topbar']).matches;
},
assemble : function (topbar) {
var self = this,
settings = topbar.data('topbar-init'),
section = $('section', topbar),
titlebar = $('> ul', topbar).first();
// Pull element out of the DOM for manipulation
section.detach();
$('.has-dropdown>a', section).each(function () {
var $link = $(this),
$dropdown = $link.siblings('.dropdown'),
url = $link.attr('href');
if (settings.mobile_show_parent_link && url && url.length > 1) {
var $titleLi = $('<li class="title back js-generated"><h5><a href="#"></a></h5></li><li><a class="parent-link js-generated" href="' + url + '">' + $link.text() +'</a></li>');
} else {
var $titleLi = $('<li class="title back js-generated"><h5><a href="#"></a></h5></li>');
}
// Copy link to subnav
if (settings.custom_back_text == true) {
$('h5>a', $titleLi).html(settings.back_text);
} else {
$('h5>a', $titleLi).html('« ' + $link.html());
}
$dropdown.prepend($titleLi);
});
// Put element back in the DOM
section.appendTo(topbar);
// check for sticky
this.sticky();
this.assembled(topbar);
},
assembled : function (topbar) {
topbar.data('topbar-init', $.extend({}, topbar.data('topbar-init'), {assembled: true}));
},
height : function (ul) {
var total = 0,
self = this;
$('> li', ul).each(function () { total += $(this).outerHeight(true); });
return total;
},
sticky : function () {
var $window = $(window),
self = this;
$(window).on('scroll', function() {
self.update_sticky_positioning();
});
},
update_sticky_positioning: function() {
var klass = '.' + this.settings.sticky_class;
var $window = $(window);
if ($(klass).length > 0) {
var distance = this.settings.sticky_topbar.data('stickyoffset');
if (!$(klass).hasClass('expanded')) {
if ($window.scrollTop() > (distance)) {
if (!$(klass).hasClass('fixed')) {
$(klass).addClass('fixed');
$('body').addClass('f-topbar-fixed');
}
} else if ($window.scrollTop() <= distance) {
if ($(klass).hasClass('fixed')) {
$(klass).removeClass('fixed');
$('body').removeClass('f-topbar-fixed');
}
}
}
}
},
off : function () {
$(this.scope).off('.fndtn.topbar');
$(window).off('.fndtn.topbar');
},
reflow : function () {}
};
}(jQuery, this, this.document));
