app/assets/javascripts/foundation/foundation.section.js
/*jslint unparam: true, browser: true, indent: 2 */
;
(function($, window, document) {
'use strict';
Foundation.libs.section = {
name : 'section',
version : '4.3.2',
settings: {
deep_linking: false,
small_breakpoint: 768,
one_up: true,
multi_expand: false,
section_selector: '[data-section]',
region_selector: 'section, .section, [data-section-region]',
title_selector: '.title, [data-section-title]',
//marker: container is resized
resized_data_attr: 'data-section-resized',
//marker: container should apply accordion style
small_style_data_attr: 'data-section-small-style',
content_selector: '.content, [data-section-content]',
nav_selector: '[data-section="vertical-nav"], [data-section="horizontal-nav"]',
active_class: 'active',
callback: function() {}
},
init: function(scope, method, options) {
var self = this;
Foundation.inherit(this, 'throttle data_options position_right offset_right');
if (typeof method === 'object') {
$.extend(true, self.settings, method);
}
if (typeof method !== 'string') {
this.events();
return true;
} else {
return this[method].call(this, options);
}
},
events: function() {
var self = this;
//combine titles selector from settings for click event binding
var click_title_selectors = [],
section_selector = self.settings.section_selector,
region_selectors = self.settings.region_selector.split(","),
title_selectors = self.settings.title_selector.split(",");
for (var i = 0, len = region_selectors.length; i < len; i++) {
var region_selector = region_selectors[i];
for (var j = 0, len1 = title_selectors.length; j < len1; j++) {
var title_selector = section_selector + ">" + region_selector + ">" + title_selectors[j];
click_title_selectors.push(title_selector + " a"); //or we can not do preventDefault for click event of <a>
click_title_selectors.push(title_selector);
}
}
$(self.scope)
.on('click.fndtn.section', click_title_selectors.join(","), function(e) {
var title = $(this).closest(self.settings.title_selector);
self.close_navs(title);
if (title.siblings(self.settings.content_selector).length > 0) {
self.toggle_active.call(title[0], e);
}
});
$(window)
.on('resize.fndtn.section', self.throttle(function() { self.resize(); }, 30))
.on('hashchange.fndtn.section', self.set_active_from_hash);
$(document).on('click.fndtn.section', function (e) {
if (e.isPropagationStopped && e.isPropagationStopped()) return;
if (e.target === document) return;
self.close_navs($(e.target).closest(self.settings.title_selector));
});
$(window).triggerHandler('resize.fndtn.section');
$(window).triggerHandler('hashchange.fndtn.section');
},
//close nav !one_up on click elsewhere
close_navs: function(except_nav_with_title) {
var self = Foundation.libs.section,
navsToClose = $(self.settings.nav_selector)
.filter(function() { return !$.extend({},
self.settings, self.data_options($(this))).one_up; });
if (except_nav_with_title.length > 0) {
var section = except_nav_with_title.parent().parent();
if (self.is_horizontal_nav(section) || self.is_vertical_nav(section)) {
//exclude current nav from list
navsToClose = navsToClose.filter(function() { return this !== section[0]; });
}
}
//close navs on click on title
navsToClose.children(self.settings.region_selector).removeClass(self.settings.active_class);
},
toggle_active: function(e) {
var $this = $(this),
self = Foundation.libs.section,
region = $this.parent(),
content = $this.siblings(self.settings.content_selector),
section = region.parent(),
settings = $.extend({}, self.settings, self.data_options(section)),
prev_active_region = section.children(self.settings.region_selector).filter("." + self.settings.active_class);
//for anchors inside [data-section-title]
if (!settings.deep_linking && content.length > 0) {
e.preventDefault();
}
e.stopPropagation(); //do not catch same click again on parent
if (!region.hasClass(self.settings.active_class)) {
if (!self.is_accordion(section) || (self.is_accordion(section) && !self.settings.multi_expand)) {
prev_active_region.removeClass(self.settings.active_class);
prev_active_region.trigger('closed.fndtn.section');
}
region.addClass(self.settings.active_class);
//force resize for better performance (do not wait timer)
self.resize(region.find(self.settings.section_selector).not("[" + self.settings.resized_data_attr + "]"), true);
region.trigger('opened.fndtn.section');
} else if (region.hasClass(self.settings.active_class) && self.is_accordion(section) || !settings.one_up && (self.small(section) || self.is_vertical_nav(section) || self.is_horizontal_nav(section) || self.is_accordion(section))) {
region.removeClass(self.settings.active_class);
region.trigger('closed.fndtn.section');
}
settings.callback(section);
},
check_resize_timer: null,
//main function that sets title and content positions; runs for :not(.resized) and :visible once when window width is medium up
//sections:
// selected sections to resize, are defined on resize forced by visibility changes
//ensure_has_active_region:
// is true when we force resize for no resized sections that were hidden and became visible,
// these sections can have no selected region, because all regions were hidden along with section on executing set_active_from_hash
resize: function(sections, ensure_has_active_region) {
var self = Foundation.libs.section,
section_container = $(self.settings.section_selector),
is_small_window = self.small(section_container),
//filter for section resize
should_be_resized = function (section, now_is_hidden) {
return !self.is_accordion(section) &&
!section.is("[" + self.settings.resized_data_attr + "]") &&
(!is_small_window || self.is_horizontal_tabs(section)) &&
now_is_hidden === (section.css('display') === 'none' ||
!section.parent().is(':visible'));
};
sections = sections || $(self.settings.section_selector);
clearTimeout(self.check_resize_timer);
if (!is_small_window) {
sections.removeAttr(self.settings.small_style_data_attr);
}
//resize
sections.filter(function() { return should_be_resized($(this), false); })
.each(function() {
var section = $(this),
regions = section.children(self.settings.region_selector),
titles = regions.children(self.settings.title_selector),
content = regions.children(self.settings.content_selector),
titles_max_height = 0;
if (ensure_has_active_region &&
section.children(self.settings.region_selector).filter("." + self.settings.active_class).length == 0) {
var settings = $.extend({}, self.settings, self.data_options(section));
if (!settings.deep_linking && (settings.one_up || !self.is_horizontal_nav(section) &&
!self.is_vertical_nav(section) && !self.is_accordion(section))) {
regions.filter(":visible").first().addClass(self.settings.active_class);
}
}
if (self.is_horizontal_tabs(section) || self.is_auto(section)) {
// region: position relative
// title: position absolute
// content: position static
var titles_sum_width = 0;
titles.each(function() {
var title = $(this);
if (title.is(":visible")) {
title.css(!self.rtl ? 'left' : 'right', titles_sum_width);
var title_h_border_width = parseInt(title.css("border-" + (self.rtl ? 'left' : 'right') + "-width"), 10);
if (title_h_border_width.toString() === 'Nan') {
title_h_border_width = 0;
}
titles_sum_width += self.outerWidth(title) - title_h_border_width;
titles_max_height = Math.max(titles_max_height, self.outerHeight(title));
}
});
titles.css('height', titles_max_height);
regions.each(function() {
var region = $(this),
region_content = region.children(self.settings.content_selector),
content_top_border_width = parseInt(region_content.css("border-top-width"), 10);
if (content_top_border_width.toString() === 'Nan') {
content_top_border_width = 0;
}
region.css('padding-top', titles_max_height - content_top_border_width);
});
section.css("min-height", titles_max_height);
} else if (self.is_horizontal_nav(section)) {
var first = true;
// region: positon relative, float left
// title: position static
// content: position absolute
titles.each(function() {
titles_max_height = Math.max(titles_max_height, self.outerHeight($(this)));
});
regions.each(function() {
var region = $(this);
region.css("margin-left", "-" + (first ? section : region.children(self.settings.title_selector)).css("border-left-width"));
first = false;
});
regions.css("margin-top", "-" + section.css("border-top-width"));
titles.css('height', titles_max_height);
content.css('top', titles_max_height);
section.css("min-height", titles_max_height);
} else if (self.is_vertical_tabs(section)) {
var titles_sum_height = 0;
// region: position relative, for .active: fixed padding==title.width
// title: fixed width, position absolute
// content: position static
titles.each(function() {
var title = $(this);
if (title.is(":visible")) {
title.css('top', titles_sum_height);
var title_top_border_width = parseInt(title.css("border-top-width"), 10);
if (title_top_border_width.toString() === 'Nan') {
title_top_border_width = 0;
}
titles_sum_height += self.outerHeight(title) - title_top_border_width;
}
});
content.css('min-height', titles_sum_height + 1);
} else if (self.is_vertical_nav(section)) {
var titles_max_width = 0,
first1 = true;
// region: positon relative
// title: position static
// content: position absolute
titles.each(function() {
titles_max_width = Math.max(titles_max_width, self.outerWidth($(this)));
});
regions.each(function () {
var region = $(this);
region.css("margin-top", "-" + (first1 ? section : region.children(self.settings.title_selector)).css("border-top-width"));
first1 = false;
});
titles.css('width', titles_max_width);
content.css(!self.rtl ? 'left' : 'right', titles_max_width);
section.css('width', titles_max_width);
}
section.attr(self.settings.resized_data_attr, true);
});
//wait elements to become visible then resize
if ($(self.settings.section_selector).filter(function() { return should_be_resized($(this), true); }).length > 0)
self.check_resize_timer = setTimeout(function() {
self.resize(sections.filter(function() { return should_be_resized($(this), false); }), true);
}, 700);
if (is_small_window) {
sections.attr(self.settings.small_style_data_attr, true);
}
},
is_vertical_nav: function(el) {
return /vertical-nav/i.test(el.data('section'));
},
is_horizontal_nav: function(el) {
return /horizontal-nav/i.test(el.data('section'));
},
is_accordion: function(el) {
return /accordion/i.test(el.data('section'));
},
is_horizontal_tabs: function(el) {
return /^tabs$/i.test(el.data('section'));
},
is_vertical_tabs: function(el) {
return /vertical-tabs/i.test(el.data('section'));
},
is_auto: function (el) {
var data_section = el.data('section');
return data_section === '' || /auto/i.test(data_section);
},
set_active_from_hash: function() {
var self = Foundation.libs.section,
hash = window.location.hash.substring(1),
sections = $(self.settings.section_selector);
var selectedSection;
sections.each(function() {
var section = $(this),
regions = section.children(self.settings.region_selector);
regions.each(function() {
var region = $(this),
data_slug = region.children(self.settings.content_selector).data('slug');
if (new RegExp(data_slug, 'i').test(hash)) {
selectedSection=section;
return false;
}
});
if (selectedSection != null) {
return false;
}
});
if (selectedSection != null) {
sections.each(function() {
if (selectedSection == $(this)) {
var section = $(this),
settings = $.extend({}, self.settings, self.data_options(section)),
regions = section.children(self.settings.region_selector),
set_active_from_hash = settings.deep_linking && hash.length > 0,
selected = false;
regions.each(function() {
var region = $(this);
if (selected) {
region.removeClass(self.settings.active_class);
} else if (set_active_from_hash) {
var data_slug = region.children(self.settings.content_selector).data('slug');
if (data_slug && new RegExp(data_slug, 'i').test(hash)) {
if (!region.hasClass(self.settings.active_class))
region.addClass(self.settings.active_class);
selected = true;
} else {
region.removeClass(self.settings.active_class);
}
} else if (region.hasClass(self.settings.active_class)) {
selected = true;
}
});
if (!selected && (settings.one_up || !self.is_horizontal_nav(section) &&
!self.is_vertical_nav(section) && !self.is_accordion(section)))
regions.filter(":visible").first().addClass(self.settings.active_class);
}
});
}
},
reflow: function() {
var self = Foundation.libs.section;
$(self.settings.section_selector).removeAttr(self.settings.resized_data_attr);
self.throttle(function() { self.resize(); }, 30)();
},
small: function(el) {
var settings = $.extend({}, this.settings, this.data_options(el));
if (this.is_horizontal_tabs(el)) {
return false;
}
if (el && this.is_accordion(el)) {
return true;
}
if ($('html').hasClass('lt-ie9')) {
return true;
}
if ($('html').hasClass('ie8compat')) {
return true;
}
return $(this.scope).width() < settings.small_breakpoint;
},
off: function() {
$(this.scope).off('.fndtn.section');
$(window).off('.fndtn.section');
$(document).off('.fndtn.section');
}
};
//resize selected sections
$.fn.reflow_section = function(ensure_has_active_region) {
var section = this,
self = Foundation.libs.section;
section.removeAttr(self.settings.resized_data_attr);
self.throttle(function() { self.resize(section, ensure_has_active_region); }, 30)();
return this;
};
}(Foundation.zj, window, document));