mirror of
https://github.com/jashkenas/backbone.git
synced 2026-04-30 03:00:06 -04:00
693 lines
24 KiB
JavaScript
693 lines
24 KiB
JavaScript
(function(undefined){
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if (String.prototype.trim === undefined) // fix for iOS 3.2
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String.prototype.trim = function(){ return this.replace(/^\s+/, '').replace(/\s+$/, '') };
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// For iOS 3.x
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// from https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/reduce
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if (Array.prototype.reduce === undefined)
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Array.prototype.reduce = function(fun){
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if(this === void 0 || this === null) throw new TypeError();
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var t = Object(this), len = t.length >>> 0, k = 0, accumulator;
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if(typeof fun != 'function') throw new TypeError();
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if(len == 0 && arguments.length == 1) throw new TypeError();
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if(arguments.length >= 2)
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accumulator = arguments[1];
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else
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do{
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if(k in t){
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accumulator = t[k++];
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break;
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}
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if(++k >= len) throw new TypeError();
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} while (true);
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while (k < len){
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if(k in t) accumulator = fun.call(undefined, accumulator, t[k], k, t);
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k++;
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}
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return accumulator;
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};
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})();
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var Zepto = (function() {
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var undefined, key, css, $$, classList,
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emptyArray = [], slice = emptyArray.slice,
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document = window.document,
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elementDisplay = {}, classCache = {},
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getComputedStyle = document.defaultView.getComputedStyle,
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fragmentRE = /^\s*<[^>]+>/,
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container = document.createElement('div');
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function isF(value) { return ({}).toString.call(value) == "[object Function]" }
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function isO(value) { return value instanceof Object }
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function isA(value) { return value instanceof Array }
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function compact(array) { return array.filter(function(item){ return item !== undefined && item !== null }) }
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function flatten(array) { return [].concat.apply([], array) }
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function camelize(str) { return str.replace(/-+(.)?/g, function(match, chr){ return chr ? chr.toUpperCase() : '' }) }
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function uniq(array) { return array.filter(function(item,index,array){ return array.indexOf(item) == index }) }
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function classRE(name){
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return name in classCache ?
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classCache[name] : (classCache[name] = new RegExp('(^|\\s)' + name + '(\\s|$)'));
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}
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function defaultDisplay(nodeName) {
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var element, display;
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if (!elementDisplay[nodeName]) {
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element = document.createElement(nodeName);
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document.body.insertAdjacentElement("beforeEnd", element);
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display = getComputedStyle(element, '').getPropertyValue("display");
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element.parentNode.removeChild(element);
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display == "none" && (display = "block");
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elementDisplay[nodeName] = display;
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}
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return elementDisplay[nodeName];
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}
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function fragment(html) {
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container.innerHTML = ('' + html).trim();
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return slice.call(container.childNodes);
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}
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function Z(dom, selector){
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dom = dom || emptyArray;
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dom.__proto__ = Z.prototype;
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dom.selector = selector || '';
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return dom;
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}
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function $(selector, context){
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if (!selector) return Z();
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if (context !== undefined) return $(context).find(selector);
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else if (isF(selector)) return $(document).ready(selector);
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else if (selector instanceof Z) return selector;
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else {
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var dom;
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if (isA(selector)) dom = compact(selector);
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else if (selector instanceof Element || selector === window || selector === document)
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dom = [selector], selector = null;
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else if (fragmentRE.test(selector)) dom = fragment(selector);
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else if (selector.nodeType && selector.nodeType == 3) dom = [selector];
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else dom = $$(document, selector);
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return Z(dom, selector);
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}
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}
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$.extend = function(target, source){ for (key in source) target[key] = source[key]; return target }
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$.qsa = $$ = function(element, selector){ return slice.call(element.querySelectorAll(selector)) }
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function filtered(nodes, selector){
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return selector === undefined ? $(nodes) : $(nodes).filter(selector);
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}
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function funcArg(context, arg, idx, payload){
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return isF(arg) ? arg.call(context, idx, payload) : arg;
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}
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$.isFunction = isF;
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$.isObject = isO;
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$.isArray = isA;
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$.fn = {
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forEach: emptyArray.forEach,
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map: emptyArray.map,
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reduce: emptyArray.reduce,
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push: emptyArray.push,
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indexOf: emptyArray.indexOf,
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concat: emptyArray.concat,
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ready: function(callback){
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if (document.readyState == 'complete' || document.readyState == 'loaded') callback();
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document.addEventListener('DOMContentLoaded', callback, false); return this;
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},
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get: function(idx){ return idx === undefined ? this : this[idx] },
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size: function(){ return this.length },
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remove: function(){ return this.each(function(){ this.parentNode.removeChild(this) }) },
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each: function(callback){
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this.forEach(function(el, idx){ callback.call(el, idx, el) });
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return this;
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},
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filter: function(selector){
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return $([].filter.call(this, function(element){
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return $$(element.parentNode, selector).indexOf(element) >= 0;
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}));
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},
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add:function(selector,context){
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return $(uniq(this.concat($(selector,context))));
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},
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is: function(selector){
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return this.length > 0 && $(this[0]).filter(selector).length > 0;
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},
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not: function(selector){
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var nodes=[];
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if (isF(selector) && selector.call !== undefined)
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this.each(function(idx){
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if (!selector.call(this,idx)) nodes.push(this);
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});
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else {
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var ignores = slice.call(
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typeof selector == 'string' ?
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this.filter(selector) :
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selector instanceof NodeList ? selector : $(selector));
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slice.call(this).forEach(function(el){
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if (ignores.indexOf(el) < 0) nodes.push(el);
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});
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}
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return $(nodes);
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},
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eq: function(idx){ return $(this[idx]) },
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first: function(){ return $(this[0]) },
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last: function(){ return $(this[this.length - 1]) },
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find: function(selector){
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var result;
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if (this.length == 1) result = $$(this[0], selector);
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else result = flatten(this.map(function(el){ return $$(el, selector) }));
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return $(result);
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},
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closest: function(selector, context){
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var node = this[0], nodes = $$(context !== undefined ? context : document, selector);
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if (nodes.length === 0) node = null;
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while(node && node !== document && nodes.indexOf(node) < 0) node = node.parentNode;
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return $(node !== document && node);
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},
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parents: function(selector){
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var ancestors = [], nodes = this;
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while (nodes.length > 0)
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nodes = compact(nodes.map(function(node){
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if ((node = node.parentNode) && node !== document && ancestors.indexOf(node) < 0) {
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ancestors.push(node);
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return node;
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}
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}));
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return filtered(ancestors, selector);
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},
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parent: function(selector){
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return filtered(uniq(compact(this.pluck('parentNode'))), selector);
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},
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children: function(selector){
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return filtered(flatten(this.map(function(el){ return slice.call(el.children) })), selector);
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},
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siblings: function(selector){
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return filtered(flatten(this.map(function(el){
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return slice.call(el.parentNode.children).filter(function(child){ return child!==el });
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})), selector);
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},
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empty: function(){ return this.each(function(){ this.innerHTML = '' }) },
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pluck: function(property){ return this.map(function(element){ return element[property] }) },
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show: function(){
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return this.each(function() {
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this.style.display == "none" && (this.style.display = null);
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if (getComputedStyle(this, '').getPropertyValue("display") == "none") {
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this.style.display = defaultDisplay(this.nodeName)
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}
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})
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},
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replaceWith: function(newContent) {
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return this.each(function() {
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var element = $(this),
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prev = element.prev();
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element.remove();
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prev.after(newContent);
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});
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},
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hide: function(){
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return this.css("display", "none")
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},
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toggle: function(){
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return this.css("display") == "none" ? this.show() : this.hide();
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},
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prev: function(){ return $(this.pluck('previousElementSibling')) },
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next: function(){ return $(this.pluck('nextElementSibling')) },
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html: function(html){
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return html === undefined ?
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(this.length > 0 ? this[0].innerHTML : null) :
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this.each(function(idx){ this.innerHTML = funcArg(this, html, idx, this.innerHTML) });
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},
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text: function(text){
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return text === undefined ?
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(this.length > 0 ? this[0].innerText : null) :
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this.each(function(){ this.innerText = text });
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},
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attr: function(name, value){
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return (typeof name == 'string' && value === undefined) ?
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(this.length > 0 && this[0].nodeName == 'INPUT' && this[0].type == 'text' && name == 'value') ? (this.val()) :
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(this.length > 0 ? this[0].getAttribute(name) || (name in this[0] ? this[0][name] : undefined) : undefined) :
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this.each(function(idx){
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if (isO(name)) for (key in name) this.setAttribute(key, name[key])
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else this.setAttribute(name, funcArg(this, value, idx, this.getAttribute(name)));
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});
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},
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removeAttr: function(name) {
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return this.each(function() { this.removeAttribute(name); });
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},
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data: function(name, value){
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return this.attr('data-' + name, value);
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},
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val: function(value){
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return (value === undefined) ?
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(this.length > 0 ? this[0].value : null) :
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this.each(function(){
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this.value = value;
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});
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},
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offset: function(){
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if(this.length==0) return null;
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var obj = this[0].getBoundingClientRect();
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return {
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left: obj.left + document.body.scrollLeft,
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top: obj.top + document.body.scrollTop,
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width: obj.width,
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height: obj.height
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};
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},
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css: function(property, value){
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if (value === undefined && typeof property == 'string')
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return this[0].style[camelize(property)] || getComputedStyle(this[0], '').getPropertyValue(property);
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css = '';
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for (key in property) css += key + ':' + property[key] + ';';
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if (typeof property == 'string') css = property + ':' + value;
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return this.each(function() { this.style.cssText += ';' + css });
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},
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index: function(element){
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return this.indexOf($(element)[0]);
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},
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hasClass: function(name){
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return classRE(name).test(this[0].className);
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},
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addClass: function(name){
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return this.each(function(idx) {
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classList = [];
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var cls = this.className, newName = funcArg(this, name, idx, cls);
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newName.split(/\s+/g).forEach(function(klass) {
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if (!$(this).hasClass(klass)) {
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classList.push(klass)
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}
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}, this);
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classList.length && (this.className += (cls ? " " : "") + classList.join(" "))
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})
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},
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removeClass: function(name){
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return this.each(function(idx) {
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classList = this.className;
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funcArg(this, name, idx, classList).split(/\s+/g).forEach(function(klass) {
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classList = classList.replace(classRE(klass), " ")
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});
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this.className = classList.trim()
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})
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},
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toggleClass: function(name, when){
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return this.each(function(idx){
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var cls = this.className, newName = funcArg(this, name, idx, cls);
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((when !== undefined && !when) || $(this).hasClass(newName)) ?
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$(this).removeClass(newName) : $(this).addClass(newName)
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});
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},
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submit: function () {
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return this.each(function () {
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try {
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// Submit first form element
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this.submit();
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return;
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} catch(e) {};
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});
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}
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};
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['width', 'height'].forEach(function(property){
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$.fn[property] = function(){ var offset = this.offset(); return offset ? offset[property] : null }
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});
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var adjacencyOperators = [ 'prepend', 'after', 'before', 'append' ];
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function insert(operator, element, other) {
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var parent = (!operator || operator == 3) ? element : element.parentNode;
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parent.insertBefore(other,
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!operator ? parent.firstChild : // prepend
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operator == 1 ? element.nextSibling : // after
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operator == 2 ? element : // before
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null); // append
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}
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adjacencyOperators.forEach(function(key, operator) {
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$.fn[key] = function(html){
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if (typeof(html) != 'object')
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html = fragment(html);
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return this.each(function(index, element){
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if (html.length || html instanceof Z) {
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dom = html;
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for (var i=0; i<dom.length; i++) {
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var e = dom[operator < 2 ? dom.length-i-1 : i];
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insert(operator, element, e);
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}
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} else {
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insert(operator, element, html);
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}
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});
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};
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});
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var reverseAdjacencyOperators = [ 'append', 'prepend' ];
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reverseAdjacencyOperators.forEach(function(key) {
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$.fn[key+'To'] = function(html){
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if (typeof(html) != 'object')
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html = fragment(html);
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html[key](this);
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return this;
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};
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});
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Z.prototype = $.fn;
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return $;
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})();
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'$' in window || (window.$ = Zepto);
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(function($){
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var $$ = $.qsa, handlers = {}, _zid = 1;
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function zid(element) {
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return element._zid || (element._zid = _zid++);
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}
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function findHandlers(element, event, fn, selector) {
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event = parse(event);
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if (event.ns) var matcher = matcherFor(event.ns);
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return (handlers[zid(element)] || []).filter(function(handler) {
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return handler
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&& (!event.e || handler.e == event.e)
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&& (!event.ns || matcher.test(handler.ns))
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&& (!fn || handler.fn == fn)
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&& (!selector || handler.sel == selector);
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});
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}
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function parse(event) {
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var parts = ('' + event).split('.');
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return {e: parts[0], ns: parts.slice(1).sort().join(' ')};
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}
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function matcherFor(ns) {
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return new RegExp('(?:^| )' + ns.replace(' ', ' .* ?') + '(?: |$)');
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}
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function add(element, events, fn, selector, delegate){
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var id = zid(element), set = (handlers[id] || (handlers[id] = []));
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events.split(/\s/).forEach(function(event){
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var callback = delegate || fn;
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var proxyfn = function(event) { return callback(event, event.data) };
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var handler = $.extend(parse(event), {fn: fn, proxy: proxyfn, sel: selector, del: delegate, i: set.length});
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set.push(handler);
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element.addEventListener(handler.e, proxyfn, false);
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});
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}
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function remove(element, events, fn, selector){
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var id = zid(element);
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(events || '').split(/\s/).forEach(function(event){
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findHandlers(element, event, fn, selector).forEach(function(handler){
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delete handlers[id][handler.i];
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element.removeEventListener(handler.e, handler.proxy, false);
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});
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});
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}
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$.event = { add: add, remove: remove }
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$.fn.bind = function(event, callback){
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return this.each(function(){
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add(this, event, callback);
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});
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};
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$.fn.unbind = function(event, callback){
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return this.each(function(){
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remove(this, event, callback);
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});
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};
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$.fn.one = function(event, callback){
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return this.each(function(){
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var self = this;
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add(this, event, function wrapper(){
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callback();
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remove(self, event, arguments.callee);
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});
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});
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};
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var eventMethods = ['preventDefault', 'stopImmediatePropagation', 'stopPropagation'];
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function createProxy(event) {
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var proxy = $.extend({originalEvent: event}, event);
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eventMethods.forEach(function(key) {
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proxy[key] = function() {return event[key].apply(event, arguments)};
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});
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return proxy;
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}
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$.fn.delegate = function(selector, event, callback){
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return this.each(function(i, element){
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add(element, event, callback, selector, function(e, data){
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var target = e.target, nodes = $$(element, selector);
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while (target && nodes.indexOf(target) < 0) target = target.parentNode;
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if (target && !(target === element) && !(target === document)) {
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callback.call(target, $.extend(createProxy(e), {
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currentTarget: target, liveFired: element
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}), data);
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}
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});
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});
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};
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$.fn.undelegate = function(selector, event, callback){
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return this.each(function(){
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remove(this, event, callback, selector);
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});
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}
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$.fn.live = function(event, callback){
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$(document.body).delegate(this.selector, event, callback);
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return this;
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};
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$.fn.die = function(event, callback){
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$(document.body).undelegate(this.selector, event, callback);
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return this;
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};
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$.fn.trigger = function(event, data){
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return this.each(function(){
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var e = document.createEvent('Events');
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e.initEvent(event, true, true)
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e.data = data;
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this.dispatchEvent(e);
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});
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};
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})(Zepto);
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(function($){
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function detect(ua){
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var ua = ua, os = {},
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android = ua.match(/(Android)\s+([\d.]+)/),
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iphone = ua.match(/(iPhone\sOS)\s([\d_]+)/),
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ipad = ua.match(/(iPad).*OS\s([\d_]+)/),
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webos = ua.match(/(webOS)\/([\d.]+)/),
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blackberry = ua.match(/(BlackBerry).*Version\/([\d.]+)/);
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if (android) os.android = true, os.version = android[2];
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if (iphone) os.ios = true, os.version = iphone[2].replace(/_/g, '.'), os.iphone = true;
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|
if (ipad) os.ios = true, os.version = ipad[2].replace(/_/g, '.'), os.ipad = true;
|
|
if (webos) os.webos = true, os.version = webos[2];
|
|
if (blackberry) os.blackberry = true, os.version = blackberry[2];
|
|
return os;
|
|
}
|
|
$.os = detect(navigator.userAgent);
|
|
$.__detect = detect;
|
|
|
|
var v = navigator.userAgent.match(/WebKit\/([\d.]+)/);
|
|
$.browser = v ? { webkit: true, version: v[1] } : { webkit: false };
|
|
})(Zepto);
|
|
(function($, undefined){
|
|
$.fn.anim = function(properties, duration, ease, callback){
|
|
var transforms = [], opacity, key;
|
|
for (key in properties)
|
|
if (key === 'opacity') opacity = properties[key];
|
|
else transforms.push(key + '(' + properties[key] + ')');
|
|
|
|
$.isFunction(callback) && this.one('webkitTransitionEnd', callback);
|
|
|
|
return this.css({
|
|
'-webkit-transition': 'all ' + (duration !== undefined ? duration : 0.5) + 's ' + (ease || ''),
|
|
'-webkit-transform': transforms.join(' '),
|
|
opacity: opacity
|
|
});
|
|
}
|
|
})(Zepto);
|
|
(function($){
|
|
var jsonpID = 0,
|
|
isObject = $.isObject,
|
|
key;
|
|
|
|
function empty() {}
|
|
|
|
$.ajaxJSONP = function(options){
|
|
var jsonpString = 'jsonp' + ++jsonpID,
|
|
script = document.createElement('script');
|
|
window[jsonpString] = function(data){
|
|
options.success(data);
|
|
delete window[jsonpString];
|
|
};
|
|
script.src = options.url.replace(/=\?/, '=' + jsonpString);
|
|
$('head').append(script);
|
|
};
|
|
|
|
$.ajaxSettings = {
|
|
type: 'GET',
|
|
beforeSend: empty, success: empty, error: empty, complete: empty,
|
|
accepts: {
|
|
script: 'text/javascript, application/javascript',
|
|
json: 'application/json',
|
|
xml: 'application/xml, text/xml',
|
|
html: 'text/html',
|
|
text: 'text/plain'
|
|
}
|
|
};
|
|
|
|
$.ajax = function(options){
|
|
options = options || {};
|
|
var settings = $.extend({}, options);
|
|
for (key in $.ajaxSettings) if (!settings[key]) settings[key] = $.ajaxSettings[key];
|
|
|
|
if (/=\?/.test(settings.url)) return $.ajaxJSONP(settings);
|
|
|
|
if (!settings.url) settings.url = window.location.toString();
|
|
if (settings.data && !settings.contentType) settings.contentType = 'application/x-www-form-urlencoded';
|
|
if (isObject(settings.data)) settings.data = $.param(settings.data);
|
|
|
|
if (settings.type.match(/get/i) && settings.data) {
|
|
var queryString = settings.data;
|
|
if (settings.url.match(/\?.*=/)) {
|
|
queryString = '&' + queryString;
|
|
} else if (queryString[0] != '?') {
|
|
queryString = '?' + queryString;
|
|
}
|
|
settings.url += queryString;
|
|
}
|
|
|
|
var mime = settings.accepts[settings.dataType],
|
|
xhr = new XMLHttpRequest();
|
|
|
|
settings.headers = $.extend({'X-Requested-With': 'XMLHttpRequest'}, settings.headers || {});
|
|
if (mime) settings.headers['Accept'] = mime;
|
|
|
|
xhr.onreadystatechange = function(){
|
|
if (xhr.readyState == 4) {
|
|
var result, error = false;
|
|
if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 0) {
|
|
if (mime == 'application/json') {
|
|
try { result = JSON.parse(xhr.responseText); }
|
|
catch (e) { error = e; }
|
|
}
|
|
else result = xhr.responseText;
|
|
if (error) settings.error(xhr, 'parsererror', error);
|
|
else settings.success(result, 'success', xhr);
|
|
} else {
|
|
error = true;
|
|
settings.error(xhr, 'error');
|
|
}
|
|
settings.complete(xhr, error ? 'error' : 'success');
|
|
}
|
|
};
|
|
|
|
xhr.open(settings.type, settings.url, true);
|
|
if (settings.beforeSend(xhr, settings) === false) {
|
|
xhr.abort();
|
|
return false;
|
|
}
|
|
|
|
if (settings.contentType) settings.headers['Content-Type'] = settings.contentType;
|
|
for (name in settings.headers) xhr.setRequestHeader(name, settings.headers[name]);
|
|
xhr.send(settings.data);
|
|
|
|
return xhr;
|
|
};
|
|
|
|
$.get = function(url, success){ $.ajax({ url: url, success: success }) };
|
|
$.post = function(url, data, success, dataType){
|
|
if ($.isFunction(data)) dataType = dataType || success, success = data, data = null;
|
|
$.ajax({ type: 'POST', url: url, data: data, success: success, dataType: dataType });
|
|
};
|
|
$.getJSON = function(url, success){ $.ajax({ url: url, success: success, dataType: 'json' }) };
|
|
|
|
$.fn.load = function(url, success){
|
|
if (!this.length) return this;
|
|
var self = this, parts = url.split(/\s/), selector;
|
|
if (parts.length > 1) url = parts[0], selector = parts[1];
|
|
$.get(url, function(response){
|
|
self.html(selector ?
|
|
$(document.createElement('div')).html(response).find(selector).html()
|
|
: response);
|
|
success && success();
|
|
});
|
|
return this;
|
|
};
|
|
|
|
$.param = function(obj, v){
|
|
var result = [], add = function(key, value){
|
|
result.push(encodeURIComponent(v ? v + '[' + key + ']' : key)
|
|
+ '=' + encodeURIComponent(value));
|
|
},
|
|
isObjArray = $.isArray(obj);
|
|
|
|
for(key in obj)
|
|
if(isObject(obj[key]))
|
|
result.push($.param(obj[key], (v ? v + '[' + key + ']' : key)));
|
|
else
|
|
add(isObjArray ? '' : key, obj[key]);
|
|
|
|
return result.join('&').replace('%20', '+');
|
|
};
|
|
})(Zepto);
|
|
(function($){
|
|
var touch = {}, touchTimeout;
|
|
|
|
function parentIfText(node){
|
|
return 'tagName' in node ? node : node.parentNode;
|
|
}
|
|
|
|
function swipeDirection(x1, x2, y1, y2){
|
|
var xDelta = Math.abs(x1 - x2), yDelta = Math.abs(y1 - y2);
|
|
if (xDelta >= yDelta) {
|
|
return (x1 - x2 > 0 ? 'Left' : 'Right');
|
|
} else {
|
|
return (y1 - y2 > 0 ? 'Up' : 'Down');
|
|
}
|
|
}
|
|
|
|
$(document).ready(function(){
|
|
$(document.body).bind('touchstart', function(e){
|
|
var now = Date.now(), delta = now - (touch.last || now);
|
|
touch.target = parentIfText(e.touches[0].target);
|
|
touchTimeout && clearTimeout(touchTimeout);
|
|
touch.x1 = e.touches[0].pageX;
|
|
touch.y1 = e.touches[0].pageY;
|
|
if (delta > 0 && delta <= 250) touch.isDoubleTap = true;
|
|
touch.last = now;
|
|
}).bind('touchmove', function(e){
|
|
touch.x2 = e.touches[0].pageX;
|
|
touch.y2 = e.touches[0].pageY;
|
|
}).bind('touchend', function(e){
|
|
if (touch.isDoubleTap) {
|
|
$(touch.target).trigger('doubleTap');
|
|
touch = {};
|
|
} else if (touch.x2 > 0 || touch.y2 > 0) {
|
|
(Math.abs(touch.x1 - touch.x2) > 30 || Math.abs(touch.y1 - touch.y2) > 30) &&
|
|
$(touch.target).trigger('swipe') &&
|
|
$(touch.target).trigger('swipe' + (swipeDirection(touch.x1, touch.x2, touch.y1, touch.y2)));
|
|
touch.x1 = touch.x2 = touch.y1 = touch.y2 = touch.last = 0;
|
|
} else if ('last' in touch) {
|
|
touchTimeout = setTimeout(function(){
|
|
touchTimeout = null;
|
|
$(touch.target).trigger('tap')
|
|
touch = {};
|
|
}, 250);
|
|
}
|
|
}).bind('touchcancel', function(){ touch = {} });
|
|
});
|
|
|
|
['swipe', 'swipeLeft', 'swipeRight', 'swipeUp', 'swipeDown', 'doubleTap', 'tap'].forEach(function(m){
|
|
$.fn[m] = function(callback){ return this.bind(m, callback) }
|
|
});
|
|
})(Zepto);
|