app/assets/javascripts/foundation/foundation.dropdown.js
/*jslint unparam: true, browser: true, indent: 2 */
;(function ($, window, document, undefined) {
'use strict';
Foundation.libs.dropdown = {
name : 'dropdown',
version : '4.3.2',
settings : {
activeClass: 'open',
is_hover: false,
opened: function(){},
closed: function(){}
},
init : function (scope, method, options) {
this.scope = scope || this.scope;
Foundation.inherit(this, 'throttle scrollLeft data_options');
if (typeof method === 'object') {
$.extend(true, this.settings, method);
}
if (typeof method !== 'string') {
if (!this.settings.init) {
this.events();
}
return this.settings.init;
} else {
return this[method].call(this, options);
}
},
events : function () {
var self = this;
$(this.scope)
.on('click.fndtn.dropdown', '[data-dropdown]', function (e) {
var settings = $.extend({}, self.settings, self.data_options($(this)));
e.preventDefault();
if (!settings.is_hover) self.toggle($(this));
})
.on('mouseenter', '[data-dropdown]', function (e) {
var settings = $.extend({}, self.settings, self.data_options($(this)));
if (settings.is_hover) self.toggle($(this));
})
.on('mouseleave', '[data-dropdown-content]', function (e) {
var target = $('[data-dropdown="' + $(this).attr('id') + '"]'),
settings = $.extend({}, self.settings, self.data_options(target));
if (settings.is_hover) self.close.call(self, $(this));
})
.on('opened.fndtn.dropdown', '[data-dropdown-content]', this.settings.opened)
.on('closed.fndtn.dropdown', '[data-dropdown-content]', this.settings.closed);
$(document).on('click.fndtn.dropdown', function (e) {
var parent = $(e.target).closest('[data-dropdown-content]');
if ($(e.target).data('dropdown') || $(e.target).parent().data('dropdown')) {
return;
}
if (!($(e.target).data('revealId')) &&
(parent.length > 0 && ($(e.target).is('[data-dropdown-content]') ||
$.contains(parent.first()[0], e.target)))) {
e.stopPropagation();
return;
}
self.close.call(self, $('[data-dropdown-content]'));
});
$(window).on('resize.fndtn.dropdown', self.throttle(function () {
self.resize.call(self);
}, 50)).trigger('resize');
this.settings.init = true;
},
close: function (dropdown) {
var self = this;
dropdown.each(function () {
if ($(this).hasClass(self.settings.activeClass)) {
$(this)
.css(Foundation.rtl ? 'right':'left', '-99999px')
.removeClass(self.settings.activeClass);
$(this).trigger('closed');
}
});
},
open: function (dropdown, target) {
this
.css(dropdown
.addClass(this.settings.activeClass), target);
dropdown.trigger('opened');
},
toggle : function (target) {
var dropdown = $('#' + target.data('dropdown'));
if (dropdown.length === 0) {
// No dropdown found, not continuing
return;
}
this.close.call(this, $('[data-dropdown-content]').not(dropdown));
if (dropdown.hasClass(this.settings.activeClass)) {
this.close.call(this, dropdown);
} else {
this.close.call(this, $('[data-dropdown-content]'))
this.open.call(this, dropdown, target);
}
},
resize : function () {
var dropdown = $('[data-dropdown-content].open'),
target = $("[data-dropdown='" + dropdown.attr('id') + "']");
if (dropdown.length && target.length) {
this.css(dropdown, target);
}
},
css : function (dropdown, target) {
var offset_parent = dropdown.offsetParent();
// if (offset_parent.length > 0 && /body/i.test(dropdown.offsetParent()[0].nodeName)) {
var position = target.offset();
position.top -= offset_parent.offset().top;
position.left -= offset_parent.offset().left;
// } else {
// var position = target.position();
// }
if (this.small()) {
dropdown.css({
position : 'absolute',
width: '95%',
'max-width': 'none',
top: position.top + this.outerHeight(target)
});
dropdown.css(Foundation.rtl ? 'right':'left', '2.5%');
} else {
if (!Foundation.rtl && $(window).width() > this.outerWidth(dropdown) + target.offset().left && !this.data_options(target).align_right) {
var left = position.left;
if (dropdown.hasClass('right')) {
dropdown.removeClass('right');
}
} else {
if (!dropdown.hasClass('right')) {
dropdown.addClass('right');
}
var left = position.left - (this.outerWidth(dropdown) - this.outerWidth(target));
}
dropdown.attr('style', '').css({
position : 'absolute',
top: position.top + this.outerHeight(target),
left: left
});
}
return dropdown;
},
small : function () {
return $(window).width() < 768 || $('html').hasClass('lt-ie9');
},
off: function () {
$(this.scope).off('.fndtn.dropdown');
$('html, body').off('.fndtn.dropdown');
$(window).off('.fndtn.dropdown');
$('[data-dropdown-content]').off('.fndtn.dropdown');
this.settings.init = false;
},
reflow : function () {}
};
}(Foundation.zj, this, this.document));