app/assets/javascripts/foundation.js
/*
* Foundation Responsive Library
* http://foundation.zurb.com
* Copyright 2014, ZURB
* Free to use under the MIT license.
* http://www.opensource.org/licenses/mit-license.php
*/
(function ($, window, document, undefined) {
'use strict';
var header_helpers = function (class_array) {
var i = class_array.length;
var head = $('head');
while (i--) {
if (head.has('.' + class_array[i]).length === 0) {
head.append('<meta class="' + class_array[i] + '" />');
}
}
};
header_helpers([
'foundation-mq-small',
'foundation-mq-small-only',
'foundation-mq-medium',
'foundation-mq-medium-only',
'foundation-mq-large',
'foundation-mq-large-only',
'foundation-mq-xlarge',
'foundation-mq-xlarge-only',
'foundation-mq-xxlarge',
'foundation-data-attribute-namespace']);
// Enable FastClick if present
$(function () {
if (typeof FastClick !== 'undefined') {
// Don't attach to body if undefined
if (typeof document.body !== 'undefined') {
FastClick.attach(document.body);
}
}
});
// private Fast Selector wrapper,
// returns jQuery object. Only use where
// getElementById is not available.
var S = function (selector, context) {
if (typeof selector === 'string') {
if (context) {
var cont;
if (context.jquery) {
cont = context[0];
if (!cont) {
return context;
}
} else {
cont = context;
}
return $(cont.querySelectorAll(selector));
}
return $(document.querySelectorAll(selector));
}
return $(selector, context);
};
// Namespace functions.
var attr_name = function (init) {
var arr = [];
if (!init) {
arr.push('data');
}
if (this.namespace.length > 0) {
arr.push(this.namespace);
}
arr.push(this.name);
return arr.join('-');
};
var add_namespace = function (str) {
var parts = str.split('-'),
i = parts.length,
arr = [];
while (i--) {
if (i !== 0) {
arr.push(parts[i]);
} else {
if (this.namespace.length > 0) {
arr.push(this.namespace, parts[i]);
} else {
arr.push(parts[i]);
}
}
}
return arr.reverse().join('-');
};
// Event binding and data-options updating.
var bindings = function (method, options) {
var self = this,
bind = function(){
var $this = S(this),
should_bind_events = !$this.data(self.attr_name(true) + '-init');
$this.data(self.attr_name(true) + '-init', $.extend({}, self.settings, (options || method), self.data_options($this)));
if (should_bind_events) {
self.events(this);
}
};
if (S(this.scope).is('[' + this.attr_name() +']')) {
bind.call(this.scope);
} else {
S('[' + this.attr_name() +']', this.scope).each(bind);
}
// # Patch to fix #5043 to move this *after* the if/else clause in order for Backbone and similar frameworks to have improved control over event binding and data-options updating.
if (typeof method === 'string') {
return this[method].call(this, options);
}
};
var single_image_loaded = function (image, callback) {
function loaded () {
callback(image[0]);
}
function bindLoad () {
this.one('load', loaded);
if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) {
var src = this.attr( 'src' ),
param = src.match( /\?/ ) ? '&' : '?';
param += 'random=' + (new Date()).getTime();
this.attr('src', src + param);
}
}
if (!image.attr('src')) {
loaded();
return;
}
if (image[0].complete || image[0].readyState === 4) {
loaded();
} else {
bindLoad.call(image);
}
};
/*
https://github.com/paulirish/matchMedia.js
*/
window.matchMedia = window.matchMedia || (function ( doc ) {
'use strict';
var bool,
docElem = doc.documentElement,
refNode = docElem.firstElementChild || docElem.firstChild,
// fakeBody required for <FF4 when executed in <head>
fakeBody = doc.createElement( 'body' ),
div = doc.createElement( 'div' );
div.id = 'mq-test-1';
div.style.cssText = 'position:absolute;top:-100em';
fakeBody.style.background = 'none';
fakeBody.appendChild(div);
return function (q) {
div.innerHTML = '­<style media="' + q + '"> #mq-test-1 { width: 42px; }</style>';
docElem.insertBefore( fakeBody, refNode );
bool = div.offsetWidth === 42;
docElem.removeChild( fakeBody );
return {
matches : bool,
media : q
};
};
}( document ));
/*
* jquery.requestAnimationFrame
* https://github.com/gnarf37/jquery-requestAnimationFrame
* Requires jQuery 1.8+
*
* Copyright (c) 2012 Corey Frang
* Licensed under the MIT license.
*/
(function(jQuery) {
// requestAnimationFrame polyfill adapted from Erik Möller
// fixes from Paul Irish and Tino Zijdel
// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
var animating,
lastTime = 0,
vendors = ['webkit', 'moz'],
requestAnimationFrame = window.requestAnimationFrame,
cancelAnimationFrame = window.cancelAnimationFrame,
jqueryFxAvailable = 'undefined' !== typeof jQuery.fx;
for (; lastTime < vendors.length && !requestAnimationFrame; lastTime++) {
requestAnimationFrame = window[ vendors[lastTime] + 'RequestAnimationFrame' ];
cancelAnimationFrame = cancelAnimationFrame ||
window[ vendors[lastTime] + 'CancelAnimationFrame' ] ||
window[ vendors[lastTime] + 'CancelRequestAnimationFrame' ];
}
function raf() {
if (animating) {
requestAnimationFrame(raf);
if (jqueryFxAvailable) {
jQuery.fx.tick();
}
}
}
if (requestAnimationFrame) {
// use rAF
window.requestAnimationFrame = requestAnimationFrame;
window.cancelAnimationFrame = cancelAnimationFrame;
if (jqueryFxAvailable) {
jQuery.fx.timer = function (timer) {
if (timer() && jQuery.timers.push(timer) && !animating) {
animating = true;
raf();
}
};
jQuery.fx.stop = function () {
animating = false;
};
}
} else {
// polyfill
window.requestAnimationFrame = function (callback) {
var currTime = new Date().getTime(),
timeToCall = Math.max(0, 16 - (currTime - lastTime)),
id = window.setTimeout(function () {
callback(currTime + timeToCall);
}, timeToCall);
lastTime = currTime + timeToCall;
return id;
};
window.cancelAnimationFrame = function (id) {
clearTimeout(id);
};
}
}( $ ));
function removeQuotes (string) {
if (typeof string === 'string' || string instanceof String) {
string = string.replace(/^['\\/"]+|(;\s?})+|['\\/"]+$/g, '');
}
return string;
}
window.Foundation = {
name : 'Foundation',
version : '5.5.1',
media_queries : {
'small' : S('.foundation-mq-small').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
'small-only' : S('.foundation-mq-small-only').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
'medium' : S('.foundation-mq-medium').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
'medium-only' : S('.foundation-mq-medium-only').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
'large' : S('.foundation-mq-large').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
'large-only' : S('.foundation-mq-large-only').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
'xlarge' : S('.foundation-mq-xlarge').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
'xlarge-only' : S('.foundation-mq-xlarge-only').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, ''),
'xxlarge' : S('.foundation-mq-xxlarge').css('font-family').replace(/^[\/\\'"]+|(;\s?})+|[\/\\'"]+$/g, '')
},
stylesheet : $('<style></style>').appendTo('head')[0].sheet,
global : {
namespace : undefined
},
init : function (scope, libraries, method, options, response) {
var args = [scope, method, options, response],
responses = [];
// check RTL
this.rtl = /rtl/i.test(S('html').attr('dir'));
// set foundation global scope
this.scope = scope || this.scope;
this.set_namespace();
if (libraries && typeof libraries === 'string' && !/reflow/i.test(libraries)) {
if (this.libs.hasOwnProperty(libraries)) {
responses.push(this.init_lib(libraries, args));
}
} else {
for (var lib in this.libs) {
responses.push(this.init_lib(lib, libraries));
}
}
S(window).load(function () {
S(window)
.trigger('resize.fndtn.clearing')
.trigger('resize.fndtn.dropdown')
.trigger('resize.fndtn.equalizer')
.trigger('resize.fndtn.interchange')
.trigger('resize.fndtn.joyride')
.trigger('resize.fndtn.magellan')
.trigger('resize.fndtn.topbar')
.trigger('resize.fndtn.slider');
});
return scope;
},
init_lib : function (lib, args) {
if (this.libs.hasOwnProperty(lib)) {
this.patch(this.libs[lib]);
if (args && args.hasOwnProperty(lib)) {
if (typeof this.libs[lib].settings !== 'undefined') {
$.extend(true, this.libs[lib].settings, args[lib]);
} else if (typeof this.libs[lib].defaults !== 'undefined') {
$.extend(true, this.libs[lib].defaults, args[lib]);
}
return this.libs[lib].init.apply(this.libs[lib], [this.scope, args[lib]]);
}
args = args instanceof Array ? args : new Array(args);
return this.libs[lib].init.apply(this.libs[lib], args);
}
return function () {};
},
patch : function (lib) {
lib.scope = this.scope;
lib.namespace = this.global.namespace;
lib.rtl = this.rtl;
lib['data_options'] = this.utils.data_options;
lib['attr_name'] = attr_name;
lib['add_namespace'] = add_namespace;
lib['bindings'] = bindings;
lib['S'] = this.utils.S;
},
inherit : function (scope, methods) {
var methods_arr = methods.split(' '),
i = methods_arr.length;
while (i--) {
if (this.utils.hasOwnProperty(methods_arr[i])) {
scope[methods_arr[i]] = this.utils[methods_arr[i]];
}
}
},
set_namespace : function () {
// Description:
// Don't bother reading the namespace out of the meta tag
// if the namespace has been set globally in javascript
//
// Example:
// Foundation.global.namespace = 'my-namespace';
// or make it an empty string:
// Foundation.global.namespace = '';
//
//
// If the namespace has not been set (is undefined), try to read it out of the meta element.
// Otherwise use the globally defined namespace, even if it's empty ('')
var namespace = ( this.global.namespace === undefined ) ? $('.foundation-data-attribute-namespace').css('font-family') : this.global.namespace;
// Finally, if the namsepace is either undefined or false, set it to an empty string.
// Otherwise use the namespace value.
this.global.namespace = ( namespace === undefined || /false/i.test(namespace) ) ? '' : namespace;
},
libs : {},
// methods that can be inherited in libraries
utils : {
// Description:
// Fast Selector wrapper returns jQuery object. Only use where getElementById
// is not available.
//
// Arguments:
// Selector (String): CSS selector describing the element(s) to be
// returned as a jQuery object.
//
// Scope (String): CSS selector describing the area to be searched. Default
// is document.
//
// Returns:
// Element (jQuery Object): jQuery object containing elements matching the
// selector within the scope.
S : S,
// Description:
// Executes a function a max of once every n milliseconds
//
// Arguments:
// Func (Function): Function to be throttled.
//
// Delay (Integer): Function execution threshold in milliseconds.
//
// Returns:
// Lazy_function (Function): Function with throttling applied.
throttle : function (func, delay) {
var timer = null;
return function () {
var context = this, args = arguments;
if (timer == null) {
timer = setTimeout(function () {
func.apply(context, args);
timer = null;
}, delay);
}
};
},
// Description:
// Executes a function when it stops being invoked for n seconds
// Modified version of _.debounce() http://underscorejs.org
//
// Arguments:
// Func (Function): Function to be debounced.
//
// Delay (Integer): Function execution threshold in milliseconds.
//
// Immediate (Bool): Whether the function should be called at the beginning
// of the delay instead of the end. Default is false.
//
// Returns:
// Lazy_function (Function): Function with debouncing applied.
debounce : function (func, delay, immediate) {
var timeout, result;
return function () {
var context = this, args = arguments;
var later = function () {
timeout = null;
if (!immediate) {
result = func.apply(context, args);
}
};
var callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, delay);
if (callNow) {
result = func.apply(context, args);
}
return result;
};
},
// Description:
// Parses data-options attribute
//
// Arguments:
// El (jQuery Object): Element to be parsed.
//
// Returns:
// Options (Javascript Object): Contents of the element's data-options
// attribute.
data_options : function (el, data_attr_name) {
data_attr_name = data_attr_name || 'options';
var opts = {}, ii, p, opts_arr,
data_options = function (el) {
var namespace = Foundation.global.namespace;
if (namespace.length > 0) {
return el.data(namespace + '-' + data_attr_name);
}
return el.data(data_attr_name);
};
var cached_options = data_options(el);
if (typeof cached_options === 'object') {
return cached_options;
}
opts_arr = (cached_options || ':').split(';');
ii = opts_arr.length;
function isNumber (o) {
return !isNaN (o - 0) && o !== null && o !== '' && o !== false && o !== true;
}
function trim (str) {
if (typeof str === 'string') {
return $.trim(str);
}
return str;
}
while (ii--) {
p = opts_arr[ii].split(':');
p = [p[0], p.slice(1).join(':')];
if (/true/i.test(p[1])) {
p[1] = true;
}
if (/false/i.test(p[1])) {
p[1] = false;
}
if (isNumber(p[1])) {
if (p[1].indexOf('.') === -1) {
p[1] = parseInt(p[1], 10);
} else {
p[1] = parseFloat(p[1]);
}
}
if (p.length === 2 && p[0].length > 0) {
opts[trim(p[0])] = trim(p[1]);
}
}
return opts;
},
// Description:
// Adds JS-recognizable media queries
//
// Arguments:
// Media (String): Key string for the media query to be stored as in
// Foundation.media_queries
//
// Class (String): Class name for the generated <meta> tag
register_media : function (media, media_class) {
if (Foundation.media_queries[media] === undefined) {
$('head').append('<meta class="' + media_class + '"/>');
Foundation.media_queries[media] = removeQuotes($('.' + media_class).css('font-family'));
}
},
// Description:
// Add custom CSS within a JS-defined media query
//
// Arguments:
// Rule (String): CSS rule to be appended to the document.
//
// Media (String): Optional media query string for the CSS rule to be
// nested under.
add_custom_rule : function (rule, media) {
if (media === undefined && Foundation.stylesheet) {
Foundation.stylesheet.insertRule(rule, Foundation.stylesheet.cssRules.length);
} else {
var query = Foundation.media_queries[media];
if (query !== undefined) {
Foundation.stylesheet.insertRule('@media ' +
Foundation.media_queries[media] + '{ ' + rule + ' }');
}
}
},
// Description:
// Performs a callback function when an image is fully loaded
//
// Arguments:
// Image (jQuery Object): Image(s) to check if loaded.
//
// Callback (Function): Function to execute when image is fully loaded.
image_loaded : function (images, callback) {
var self = this,
unloaded = images.length;
if (unloaded === 0) {
callback(images);
}
images.each(function () {
single_image_loaded(self.S(this), function () {
unloaded -= 1;
if (unloaded === 0) {
callback(images);
}
});
});
},
// Description:
// Returns a random, alphanumeric string
//
// Arguments:
// Length (Integer): Length of string to be generated. Defaults to random
// integer.
//
// Returns:
// Rand (String): Pseudo-random, alphanumeric string.
random_str : function () {
if (!this.fidx) {
this.fidx = 0;
}
this.prefix = this.prefix || [(this.name || 'F'), (+new Date).toString(36)].join('-');
return this.prefix + (this.fidx++).toString(36);
},
// Description:
// Helper for window.matchMedia
//
// Arguments:
// mq (String): Media query
//
// Returns:
// (Boolean): Whether the media query passes or not
match : function (mq) {
return window.matchMedia(mq).matches;
},
// Description:
// Helpers for checking Foundation default media queries with JS
//
// Returns:
// (Boolean): Whether the media query passes or not
is_small_up : function () {
return this.match(Foundation.media_queries.small);
},
is_medium_up : function () {
return this.match(Foundation.media_queries.medium);
},
is_large_up : function () {
return this.match(Foundation.media_queries.large);
},
is_xlarge_up : function () {
return this.match(Foundation.media_queries.xlarge);
},
is_xxlarge_up : function () {
return this.match(Foundation.media_queries.xxlarge);
},
is_small_only : function () {
return !this.is_medium_up() && !this.is_large_up() && !this.is_xlarge_up() && !this.is_xxlarge_up();
},
is_medium_only : function () {
return this.is_medium_up() && !this.is_large_up() && !this.is_xlarge_up() && !this.is_xxlarge_up();
},
is_large_only : function () {
return this.is_medium_up() && this.is_large_up() && !this.is_xlarge_up() && !this.is_xxlarge_up();
},
is_xlarge_only : function () {
return this.is_medium_up() && this.is_large_up() && this.is_xlarge_up() && !this.is_xxlarge_up();
},
is_xxlarge_only : function () {
return this.is_medium_up() && this.is_large_up() && this.is_xlarge_up() && this.is_xxlarge_up();
}
}
};
$.fn.foundation = function () {
var args = Array.prototype.slice.call(arguments, 0);
return this.each(function () {
Foundation.init.apply(Foundation, [this].concat(args));
return this;
});
};
}(jQuery, window, window.document));