Page MenuHomeWolfplex
Files F408730

foundation.interchange.js
No OneTemporary
Actions

foundation.interchange.js
View Options

/*jslint unparam: true, browser: true, indent: 2 */
;(function ($, window, document, undefined) {
'use strict';
Foundation.libs.interchange = {
name : 'interchange',
version : '4.2.1',
cache : {},
settings : {
load_attr : 'interchange',
named_queries : {
'default' : 'only screen and (min-width: 1px)',
small : 'only screen and (min-width: 768px)',
medium : 'only screen and (min-width: 1280px)',
large : 'only screen and (min-width: 1440px)',
landscape : 'only screen and (orientation: landscape)',
portrait : 'only screen and (orientation: portrait)',
retina : 'only screen and (-webkit-min-device-pixel-ratio: 2),'
+ 'only screen and (min--moz-device-pixel-ratio: 2),'
+ 'only screen and (-o-min-device-pixel-ratio: 2/1),'
+ 'only screen and (min-device-pixel-ratio: 2),'
+ 'only screen and (min-resolution: 192dpi),'
+ 'only screen and (min-resolution: 2dppx)'
},
directives : {
replace : function (el, path) {
if (/IMG/.test(el[0].nodeName)) {
var path_parts = path.split('/'),
path_file = path_parts[path_parts.length - 1],
orig_path = el[0].src;
if (new RegExp(path_file, 'i').test(el[0].src)) return;
el[0].src = path;
return el.trigger('replace', [el[0].src, orig_path]);
}
}
}
},
init : function (scope, method, options) {
Foundation.inherit(this, 'throttle');
if (typeof method === 'object') {
$.extend(true, this.settings, method);
}
this.events();
this.images();
if (typeof method != 'string') {
return this.settings.init;
} else {
return this[method].call(this, options);
}
},
events : function () {
var self = this;
$(window).on('resize.fndtn.interchange', self.throttle(function () {
self.resize.call(self);
}, 50));
},
resize : function () {
var cache = this.cache;
for (var uuid in cache) {
if (cache.hasOwnProperty(uuid)) {
var passed = this.results(uuid, cache[uuid]);
if (passed) {
this.settings.directives[passed
.scenario[1]](passed.el, passed.scenario[0]);
}
}
}
},
results : function (uuid, scenarios) {
var count = scenarios.length,
results_arr = [];
if (count > 0) {
var el = $('[data-uuid="' + uuid + '"]');
for (var i = count - 1; i >= 0; i--) {
var rule = scenarios[i][2];
if (this.settings.named_queries.hasOwnProperty(rule)) {
var mq = matchMedia(this.settings.named_queries[rule]);
} else {
var mq = matchMedia(scenarios[i][2]);
}
if (mq.matches) {
return {el: el, scenario: scenarios[i]};
}
}
}
return false;
},
images : function (force_update) {
if (typeof this.cached_images === 'undefined' || force_update) {
return this.update_images();
}
return this.cached_images;
},
update_images : function () {
var images = document.getElementsByTagName('img'),
count = images.length,
data_attr = 'data-' + this.settings.load_attr;
this.cached_images = [];
for (var i = count - 1; i >= 0; i--) {
this.loaded($(images[i]), (i === 0), function (image, last) {
if (image) {
var str = image.getAttribute(data_attr) || '';
if (str.length > 0) {
this.cached_images.push(image);
}
}
if (last) this.enhance();
}.bind(this));
}
return 'deferred';
},
// based on jquery.imageready.js
// @weblinc, @jsantell, (c) 2012
loaded : function (image, last, callback) {
function loaded () {
callback(image[0], last);
}
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);
}
},
enhance : function () {
var count = this.images().length;
for (var i = count - 1; i >= 0; i--) {
this._object($(this.images()[i]));
}
return $(window).trigger('resize');
},
parse_params : function (path, directive, mq) {
return [this.trim(path), this.convert_directive(directive), this.trim(mq)];
},
convert_directive : function (directive) {
var trimmed = this.trim(directive);
if (trimmed.length > 0) {
return trimmed;
}
return 'replace';
},
_object : function(el) {
var raw_arr = this.parse_data_attr(el),
scenarios = [], count = raw_arr.length;
if (count > 0) {
for (var i = count - 1; i >= 0; i--) {
var split = raw_arr[i].split(/\((.*?)(\))$/);
if (split.length > 1) {
var cached_split = split[0].split(','),
params = this.parse_params(cached_split[0],
cached_split[1], split[1]);
scenarios.push(params);
}
}
}
return this.store(el, scenarios);
},
uuid : function (separator) {
var delim = separator || "-";
function S4() {
return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
}
return (S4() + S4() + delim + S4() + delim + S4()
+ delim + S4() + delim + S4() + S4() + S4());
},
store : function (el, scenarios) {
var uuid = this.uuid(),
current_uuid = el.data('uuid');
if (current_uuid) return this.cache[current_uuid];
el.attr('data-uuid', uuid);
return this.cache[uuid] = scenarios;
},
trim : function(str) {
if (typeof str === 'string') {
return $.trim(str);
}
return str;
},
parse_data_attr : function (el) {
var raw = el.data(this.settings.load_attr).split(/\[(.*?)\]/),
count = raw.length, output = [];
for (var i = count - 1; i >= 0; i--) {
if (raw[i].replace(/[\W\d]+/, '').length > 4) {
output.push(raw[i]);
}
}
return output;
},
reflow : function () {
this.images(true);
}
};
}(Foundation.zj, this, this.document));

File Metadata

Mime Type
text/plain
Expires
Tue, Jun 10, 10:35 AM (1 w, 1 d ago)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
46586
Default Alt Text
foundation.interchange.js (6 KB)

Event Timeline