enpaul.net/content/_archive/1/js/foundation/foundation.topbar.js

446 lines
14 KiB
JavaScript

;(function ($, window, document, undefined) {
'use strict';
Foundation.libs.topbar = {
name : 'topbar',
version: '5.4.7',
settings : {
index : 0,
sticky_class : 'sticky',
custom_back_text: true,
back_text: 'Back',
mobile_show_parent_link: true,
is_hover: true,
scrolltop : true, // jump to top when sticky nav menu toggle is clicked
sticky_on : 'all'
},
init : function (section, method, options) {
Foundation.inherit(this, 'add_custom_rule register_media throttle');
var self = this;
self.register_media('topbar', 'foundation-mq-topbar');
this.bindings(method, options);
self.S('[' + this.attr_name() + ']', this.scope).each(function () {
var topbar = $(this),
settings = topbar.data(self.attr_name(true) + '-init'),
section = self.S('section, .top-bar-section', this);
topbar.data('index', 0);
var topbarContainer = topbar.parent();
if (topbarContainer.hasClass('fixed') || self.is_sticky(topbar, topbarContainer, settings) ) {
self.settings.sticky_class = settings.sticky_class;
self.settings.sticky_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) {
self.S('.has-dropdown', topbar).addClass('not-click');
} else {
self.S('.has-dropdown', topbar).removeClass('not-click');
}
// Pad body when sticky (scrolled) or fixed.
self.add_custom_rule('.f-topbar-fixed { padding-top: ' + topbar.data('height') + 'px }');
if (topbarContainer.hasClass('fixed')) {
self.S('body').addClass('f-topbar-fixed');
}
});
},
is_sticky: function (topbar, topbarContainer, settings) {
var sticky = topbarContainer.hasClass(settings.sticky_class);
if (sticky && settings.sticky_on === 'all') {
return true;
} else if (sticky && this.small() && settings.sticky_on === 'small') {
return (matchMedia(Foundation.media_queries.small).matches && !matchMedia(Foundation.media_queries.medium).matches &&
!matchMedia(Foundation.media_queries.large).matches);
//return true;
} else if (sticky && this.medium() && settings.sticky_on === 'medium') {
return (matchMedia(Foundation.media_queries.small).matches && matchMedia(Foundation.media_queries.medium).matches &&
!matchMedia(Foundation.media_queries.large).matches);
//return true;
} else if(sticky && this.large() && settings.sticky_on === 'large') {
return (matchMedia(Foundation.media_queries.small).matches && matchMedia(Foundation.media_queries.medium).matches &&
matchMedia(Foundation.media_queries.large).matches);
//return true;
}
return false;
},
toggle: function (toggleEl) {
var self = this,
topbar;
if (toggleEl) {
topbar = self.S(toggleEl).closest('[' + this.attr_name() + ']');
} else {
topbar = self.S('[' + this.attr_name() + ']');
}
var settings = topbar.data(this.attr_name(true) + '-init');
var section = self.S('section, .top-bar-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%'});
}
self.S('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');
self.S('body').addClass('f-topbar-fixed');
}
} else if (topbar.parent().hasClass('fixed')) {
if (settings.scrolltop) {
topbar.parent().removeClass('fixed');
topbar.addClass('fixed');
self.S('body').removeClass('f-topbar-fixed');
window.scrollTo(0,0);
} else {
topbar.parent().removeClass('expanded');
}
}
} else {
if (self.is_sticky(topbar, topbar.parent(), settings)) {
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');
self.S('body').addClass('f-topbar-fixed');
}
}
}
},
timer : null,
events : function (bar) {
var self = this,
S = this.S;
S(this.scope)
.off('.topbar')
.on('click.fndtn.topbar', '[' + this.attr_name() + '] .toggle-topbar', function (e) {
e.preventDefault();
self.toggle(this);
})
.on('click.fndtn.topbar','.top-bar .top-bar-section li a[href^="#"],[' + this.attr_name() + '] .top-bar-section li a[href^="#"]',function (e) {
var li = $(this).closest('li');
if(self.breakpoint() && !li.hasClass('back') && !li.hasClass('has-dropdown'))
{
self.toggle();
}
})
.on('click.fndtn.topbar', '[' + this.attr_name() + '] li.has-dropdown', function (e) {
var li = S(this),
target = S(e.target),
topbar = li.closest('[' + self.attr_name() + ']'),
settings = topbar.data(self.attr_name(true) + '-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');
$(li).siblings().removeClass('hover');
if (target[0].nodeName === 'A' && target.parent().hasClass('has-dropdown')) {
e.preventDefault();
}
}
})
.on('click.fndtn.topbar', '[' + this.attr_name() + '] .has-dropdown>a', function (e) {
if (self.breakpoint()) {
e.preventDefault();
var $this = S(this),
topbar = $this.closest('[' + self.attr_name() + ']'),
section = topbar.find('section, .top-bar-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'));
}
});
S(window).off(".topbar").on("resize.fndtn.topbar", self.throttle(function() {
self.resize.call(self);
}, 50)).trigger("resize").trigger("resize.fndtn.topbar").load(function(){
// Ensure that the offset is calculated after all of the pages resources have loaded
S(this).trigger("resize.fndtn.topbar");
});
S('body').off('.topbar').on('click.fndtn.topbar', function (e) {
var parent = S(e.target).closest('li').closest('li.hover');
if (parent.length > 0) {
return;
}
S('[' + self.attr_name() + '] li.hover').removeClass('hover');
});
// Go up a level on Click
S(this.scope).on('click.fndtn.topbar', '[' + this.attr_name() + '] .has-dropdown .back', function (e) {
e.preventDefault();
var $this = S(this),
topbar = $this.closest('[' + self.attr_name() + ']'),
section = topbar.find('section, .top-bar-section'),
settings = topbar.data(self.attr_name(true) + '-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);
});
// Show dropdown menus when their items are focused
S(this.scope).find('.dropdown a')
.focus(function() {
$(this).parents('.has-dropdown').addClass('hover');
})
.blur(function() {
$(this).parents('.has-dropdown').removeClass('hover');
});
},
resize : function () {
var self = this;
self.S('[' + this.attr_name() + ']').each(function () {
var topbar = self.S(this),
settings = topbar.data(self.attr_name(true) + '-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(self.is_sticky(topbar, stickyContainer, settings)) {
if(stickyContainer.hasClass('fixed')) {
// Remove the fixed to allow for correct calculation of the offset.
stickyContainer.removeClass('fixed');
stickyOffset = stickyContainer.offset().top;
if(self.S(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;
},
small : function () {
return matchMedia(Foundation.media_queries['small']).matches;
},
medium : function () {
return matchMedia(Foundation.media_queries['medium']).matches;
},
large : function () {
return matchMedia(Foundation.media_queries['large']).matches;
},
assemble : function (topbar) {
var self = this,
settings = topbar.data(this.attr_name(true) + '-init'),
section = self.S('section, .top-bar-section', topbar);
// Pull element out of the DOM for manipulation
section.detach();
self.S('.has-dropdown>a', section).each(function () {
var $link = self.S(this),
$dropdown = $link.siblings('.dropdown'),
url = $link.attr('href'),
$titleLi;
if (!$dropdown.find('.title.back').length) {
if (settings.mobile_show_parent_link == true && url) {
$titleLi = $('<li class="title back js-generated"><h5><a href="javascript:void(0)"></a></h5></li><li class="parent-link show-for-small"><a class="parent-link js-generated" href="' + url + '">' + $link.html() +'</a></li>');
} else {
$titleLi = $('<li class="title back js-generated"><h5><a href="javascript:void(0)"></a></h5>');
}
// Copy link to subnav
if (settings.custom_back_text == true) {
$('h5>a', $titleLi).html(settings.back_text);
} else {
$('h5>a', $titleLi).html('&laquo; ' + $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(this.attr_name(true), $.extend({}, topbar.data(this.attr_name(true)), {assembled: true}));
},
height : function (ul) {
var total = 0,
self = this;
$('> li', ul).each(function () {
total += self.S(this).outerHeight(true);
});
return total;
},
sticky : function () {
var self = this;
this.S(window).on('scroll', function() {
self.update_sticky_positioning();
});
},
update_sticky_positioning: function() {
var klass = '.' + this.settings.sticky_class,
$window = this.S(window),
self = this;
if (self.settings.sticky_topbar && self.is_sticky(this.settings.sticky_topbar,this.settings.sticky_topbar.parent(), this.settings)) {
var distance = this.settings.sticky_topbar.data('stickyoffset');
if (!self.S(klass).hasClass('expanded')) {
if ($window.scrollTop() > (distance)) {
if (!self.S(klass).hasClass('fixed')) {
self.S(klass).addClass('fixed');
self.S('body').addClass('f-topbar-fixed');
}
} else if ($window.scrollTop() <= distance) {
if (self.S(klass).hasClass('fixed')) {
self.S(klass).removeClass('fixed');
self.S('body').removeClass('f-topbar-fixed');
}
}
}
}
},
off : function () {
this.S(this.scope).off('.fndtn.topbar');
this.S(window).off('.fndtn.topbar');
},
reflow : function () {}
};
}(jQuery, window, window.document));