提交 | 用户 | 时间
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58d006
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(function(){ |
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if( !('ace' in window) ) window['ace'] = {} |
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ace.config = { |
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storage_method: 0, //0 means use localStorage if available otherwise cookies, 1 means localStorage, 2 means cookies |
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cookie_expiry : 604800, //(cookie only) 1 week duration for saved settings |
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cookie_path: ''//(cookie only) |
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} |
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if( !('vars' in window['ace']) ) window['ace'].vars = {} |
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ace.vars['very_old_ie'] = !('querySelector' in document.documentElement); |
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ace.settings = { |
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saveState : function(element, attrName, attrVal, append) { |
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if( !element || (typeof element == 'string' && !(element = document.getElementById(element))) || !element.hasAttribute('id') ) return false; |
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if( !ace.hasClass(element, 'ace-save-state') ) return false; |
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var attrName = attrName || 'class'; |
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var id = element.getAttribute('id'); |
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var attrList = ace.data.get('state', 'id-'+id) || {}; |
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if(typeof attrList == 'string') { |
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try { |
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attrList = JSON.parse(attrList); |
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} |
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catch(e) { |
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attrList = {} |
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} |
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} |
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var newVal, hasCustomVal = typeof attrVal !== 'undefined', $delete = false; |
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var re1 = /class/i |
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var re2 = /checked|disabled|readonly|value/i |
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if(re2.test(attrName)) newVal = hasCustomVal ? attrVal : element[attrName]; |
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else { |
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if(element.hasAttribute(attrName)) { |
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newVal = hasCustomVal ? attrVal : element.getAttribute(attrName); |
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} |
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else if(!hasCustomVal) $delete = true; |
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//delete this, because element has no such attribute and we haven't given a custom value! (no attrVal) |
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} |
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if($delete) { |
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delete attrList[attrName]; |
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} |
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else { |
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//save class names as an object which indicated which classes should be included or excluded (true/false) |
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if( re1.test(attrName) ) {//class |
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if( !attrList.hasOwnProperty(attrName) ) attrList[attrName] = {} |
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if(append === true) { |
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//append to previous value |
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attrList[attrName][newVal] = 1; |
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} |
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else if(append === false) { |
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//remove from previous value |
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attrList[attrName][newVal] = -1; |
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} |
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else { |
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attrList[attrName]['className'] = newVal; |
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} |
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} |
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else { |
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attrList[attrName] = newVal; |
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} |
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} |
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ace.data.set('state', 'id-'+id , JSON.stringify(attrList)); |
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}, |
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loadState : function(element, attrName) { |
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if( !element || (typeof element == 'string' && !(element = document.getElementById(element))) || !element.hasAttribute('id') ) return false; |
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var id = element.getAttribute('id'); |
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var attrList = ace.data.get('state', 'id-'+id) || {}; |
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if(typeof attrList == 'string') { |
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try { |
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attrList = JSON.parse(attrList); |
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} |
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catch(e) { |
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attrList = {} |
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} |
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} |
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var setAttr = function(element, attr, val) { |
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var re1 = /class/i |
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var re2 = /checked|disabled|readonly|value/i |
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if(re1.test(attr)) { |
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if(typeof val === 'object') { |
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if('className' in val) element.setAttribute('class', val['className']); |
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for(var key in val) if(val.hasOwnProperty(key)) { |
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var append = val[key]; |
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if(append == 1) ace.addClass(element, key); |
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else if(append == -1) ace.removeClass(element, key); |
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} |
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} |
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//else if(typeof ace.addClass(element, val); |
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} |
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else if(re2.test(attr)) element[attr] = val; |
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else element.setAttribute(attr, val); |
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} |
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if(attrName !== undefined) { |
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if(attrList.hasOwnProperty(attrName) && attrList[attrName] !== null) setAttr(element, attrName, attrList[attrName]); |
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} |
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else { |
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for(var name in attrList) { |
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if(attrList.hasOwnProperty(name) && attrList[name] !== null) setAttr(element, name, attrList[name]); |
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} |
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} |
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}, |
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clearState : function(element) { |
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var id = null; |
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if(typeof element === 'string') { |
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id = element; |
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} |
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else if('hasAttribute' in element && element.hasAttribute('id')) { |
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id = element.getAttribute('id'); |
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} |
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if(id) ace.data.remove('state', 'id-'+id); |
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} |
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}; |
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(function() { |
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//detect if it is supported |
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//https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Animations/Detecting_CSS_animation_support |
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var animationSupport = function() { |
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var animation = false, |
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animationstring = 'animation', |
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keyframeprefix = '', |
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domPrefixes = 'Webkit Moz O ms Khtml'.split(' '), |
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pfx = '', |
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elm = document.createElement('div'); |
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if( elm.style.animationName !== undefined ) { animation = true; } |
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if( animation === false ) { |
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for( var i = 0; i < domPrefixes.length; i++ ) { |
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if( elm.style[ domPrefixes[i] + 'AnimationName' ] !== undefined ) { |
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pfx = domPrefixes[ i ]; |
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animationstring = pfx + 'Animation'; |
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keyframeprefix = '-' + pfx.toLowerCase() + '-'; |
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animation = true; |
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break; |
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} |
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} |
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} |
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return animation; |
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} |
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ace.vars['animation'] = animationSupport(); |
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if( ace.vars['animation'] ) { |
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//based on http://www.backalleycoder.com/2012/04/25/i-want-a-damnodeinserted/ |
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var animationCSS = "@keyframes nodeInserted{from{outline-color:#fff}to{outline-color:#000}}@-moz-keyframes nodeInserted{from{outline-color:#fff}to{outline-color:#000}}@-webkit-keyframes nodeInserted{from{outline-color:#fff}to{outline-color:#000}}@-ms-keyframes nodeInserted{from{outline-color:#fff}to{outline-color:#000}}@-o-keyframes nodeInserted{from{outline-color:#fff}to{outline-color:#000}}.ace-save-state{animation-duration:10ms;-o-animation-duration:10ms;-ms-animation-duration:10ms;-moz-animation-duration:10ms;-webkit-animation-duration:10ms;animation-delay:0s;-o-animation-delay:0s;-ms-animation-delay:0s;-moz-animation-delay:0s;-webkit-animation-delay:0s;animation-name:nodeInserted;-o-animation-name:nodeInserted;-ms-animation-name:nodeInserted;-moz-animation-name:nodeInserted;-webkit-animation-name:nodeInserted}"; |
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var animationNode = document.createElement('style'); |
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animationNode.innerHTML = animationCSS; |
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document.head.appendChild(animationNode); |
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var domInsertEvent = function(event) { |
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var element = event.target; |
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if( !element || !ace.hasClass(element, 'ace-save-state') ) return; |
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ace.settings.loadState(element); |
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} |
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document.addEventListener('animationstart', domInsertEvent, false); |
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document.addEventListener('MSAnimationStart', domInsertEvent, false); |
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document.addEventListener('webkitAnimationStart', domInsertEvent, false); |
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} |
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else { |
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//if animation events are not supported, wait for document ready event |
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var documentReady = function() { |
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var list = document.querySelectorAll('.ace-save-state'); |
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for(var i = 0 ; i < list.length ; i++) ace.settings.loadState(list[i]); |
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} |
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if(document.readyState == 'complete') documentReady(); |
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else if(document.addEventListener) document.addEventListener('DOMContentLoaded', documentReady, false); |
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else if(document.attachEvent) document.attachEvent('onreadystatechange', function(){ |
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if (document.readyState == 'complete') documentReady(); |
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}); |
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} |
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})(); |
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//save/retrieve data using localStorage or cookie |
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//method == 1, use localStorage |
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//method == 2, use cookies |
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//method not specified, use localStorage if available, otherwise cookies |
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ace.data_storage = function(method, undefined) { |
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var prefix = 'ace_'; |
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var storage = null; |
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var type = 0; |
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if((method == 1 || method === undefined || method == 0) && 'localStorage' in window && window['localStorage'] !== null) { |
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storage = ace.storage; |
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type = 1; |
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} |
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else if(storage == null && (method == 2 || method === undefined) && 'cookie' in document && document['cookie'] !== null) { |
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storage = ace.cookie; |
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type = 2; |
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} |
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this.set = function(namespace, key, value, path, is_obj, undefined) { |
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if(!storage) return; |
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if(value === undefined) {//no namespace here? |
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value = key; |
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key = namespace; |
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if(value == null) storage.remove(prefix+key) |
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else { |
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if(type == 1) |
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storage.set(prefix+key, value) |
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else if(type == 2) |
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storage.set(prefix+key, value, ace.config.cookie_expiry, path || ace.config.cookie_path) |
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} |
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} |
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else { |
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if(type == 1) {//localStorage |
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if(value == null) storage.remove(prefix+namespace+'_'+key) |
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else { |
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if(is_obj && typeof value == 'object') { |
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value = JSON.stringify(value); |
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} |
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storage.set(prefix+namespace+'_'+key, value); |
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} |
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} |
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else if(type == 2) {//cookie |
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var val = storage.get(prefix+namespace); |
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var tmp = val ? JSON.parse(val) : {}; |
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if(value == null) { |
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delete tmp[key];//remove |
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if(ace.sizeof(tmp) == 0) {//no other elements in this cookie, so delete it |
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storage.remove(prefix+namespace); |
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return; |
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} |
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} |
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else { |
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tmp[key] = value; |
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} |
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storage.set(prefix+namespace , JSON.stringify(tmp), ace.config.cookie_expiry, path || ace.config.cookie_path) |
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} |
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} |
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} |
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this.get = function(namespace, key, is_obj, undefined) { |
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if(!storage) return null; |
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if(key === undefined) {//no namespace here? |
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key = namespace; |
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return storage.get(prefix+key); |
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} |
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else { |
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if(type == 1) {//localStorage |
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var value = storage.get(prefix+namespace+'_'+key); |
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if(is_obj && value) { |
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try { value = JSON.parse(value) } catch(e) {} |
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} |
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return value; |
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} |
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else if(type == 2) {//cookie |
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var val = storage.get(prefix+namespace); |
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var tmp = val ? JSON.parse(val) : {}; |
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return key in tmp ? tmp[key] : null; |
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} |
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} |
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} |
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this.remove = function(namespace, key, undefined) { |
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if(!storage) return; |
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if(key === undefined) { |
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key = namespace |
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this.set(key, null); |
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} |
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else { |
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this.set(namespace, key, null); |
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} |
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} |
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} |
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//cookie storage |
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ace.cookie = { |
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// The following settingFunction are from Cookie.js class in TinyMCE, Moxiecode, used under LGPL. |
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/** |
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* Get a cookie. |
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*/ |
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get : function(name) { |
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var cookie = document.cookie, e, p = name + "=", b; |
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if ( !cookie ) |
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return; |
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b = cookie.indexOf("; " + p); |
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if ( b == -1 ) { |
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b = cookie.indexOf(p); |
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if ( b != 0 ) |
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return null; |
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} else { |
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b += 2; |
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} |
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e = cookie.indexOf(";", b); |
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if ( e == -1 ) |
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e = cookie.length; |
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return decodeURIComponent( cookie.substring(b + p.length, e) ); |
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}, |
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/** |
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* Set a cookie. |
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* |
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* The 'expires' arg can be either a JS Date() object set to the expiration date (back-compat) |
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* or the number of seconds until expiration |
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*/ |
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set : function(name, value, expires, path, domain, secure) { |
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var d = new Date(); |
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if ( typeof(expires) == 'object' && expires.toGMTString ) { |
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expires = expires.toGMTString(); |
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} else if ( parseInt(expires, 10) ) { |
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d.setTime( d.getTime() + ( parseInt(expires, 10) * 1000 ) ); // time must be in miliseconds |
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expires = d.toGMTString(); |
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} else { |
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expires = ''; |
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} |
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document.cookie = name + "=" + encodeURIComponent(value) + |
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((expires) ? "; expires=" + expires : "") + |
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((path) ? "; path=" + path : "") + |
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((domain) ? "; domain=" + domain : "") + |
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((secure) ? "; secure" : ""); |
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}, |
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/** |
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* Remove a cookie. |
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* |
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* This is done by setting it to an empty value and setting the expiration time in the past. |
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*/ |
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remove : function(name, path) { |
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this.set(name, '', -1000, path); |
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} |
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}; |
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//local storage |
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ace.storage = { |
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get: function(key) { |
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return window['localStorage'].getItem(key); |
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}, |
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set: function(key, value) { |
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window['localStorage'].setItem(key , value); |
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}, |
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remove: function(key) { |
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window['localStorage'].removeItem(key); |
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} |
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}; |
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//count the number of properties in an object |
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//useful for getting the number of elements in an associative array |
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ace.sizeof = function(obj) { |
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var size = 0; |
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for(var key in obj) if(obj.hasOwnProperty(key)) size++; |
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return size; |
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} |
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//because jQuery may not be loaded at this stage, we use our own toggleClass |
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ace.hasClass = function(elem, className) { return (" " + elem.className + " ").indexOf(" " + className + " ") > -1; } |
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ace.addClass = function(elem, className) { |
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var parts = className.split(/\s+/); |
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for(var p = 0; p < parts.length; p++) { |
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if ( parts[p].length > 0 && !ace.hasClass(elem, parts[p]) ) { |
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var currentClass = elem.className; |
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elem.className = currentClass + (currentClass.length ? " " : "") + parts[p]; |
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} |
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} |
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} |
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ace.removeClass = function(elem, className) { |
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var parts = className.split(/\s+/); |
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for(var p = 0; p < parts.length; p++) { |
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if( parts[p].length > 0 ) ace.replaceClass(elem, parts[p]); |
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} |
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ace.replaceClass(elem, className); |
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} |
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ace.replaceClass = function(elem, className, newClass) { |
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var classToRemove = new RegExp(("(^|\\s)" + className + "(\\s|$)"), "i"); |
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elem.className = elem.className.replace(classToRemove, function (match, p1, p2) { |
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return newClass ? (p1 + newClass + p2) : " "; |
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}).replace(/^\s+|\s+$/g, ""); |
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} |
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ace.toggleClass = function(elem, className) { |
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if(ace.hasClass(elem, className)) |
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ace.removeClass(elem, className); |
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else ace.addClass(elem, className); |
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} |
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ace.isHTMlElement = function(elem) { |
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return window.HTMLElement ? elem instanceof HTMLElement : ('nodeType' in elem ? elem.nodeType == 1 : false); |
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} |
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//data_storage instance used inside ace.settings etc |
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ace.data = new ace.data_storage(ace.config.storage_method); |
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})(); |
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