[205] | 1 | /* Prototype JavaScript framework, version 1.5.1.1 |
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| 2 | * (c) 2005-2007 Sam Stephenson |
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| 3 | * |
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| 4 | * Prototype is freely distributable under the terms of an MIT-style license. |
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| 5 | * For details, see the Prototype web site: http://www.prototypejs.org/ |
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| 6 | * |
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| 7 | /*--------------------------------------------------------------------------*/ |
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| 8 | |
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| 9 | var Prototype = { |
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| 10 | Version: '1.5.1.1', |
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| 11 | |
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| 12 | Browser: { |
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| 13 | IE: !!(window.attachEvent && !window.opera), |
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| 14 | Opera: !!window.opera, |
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| 15 | WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, |
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| 16 | Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1 |
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| 17 | }, |
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| 18 | |
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| 19 | BrowserFeatures: { |
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| 20 | XPath: !!document.evaluate, |
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| 21 | ElementExtensions: !!window.HTMLElement, |
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| 22 | SpecificElementExtensions: |
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| 23 | (document.createElement('div').__proto__ !== |
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| 24 | document.createElement('form').__proto__) |
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| 25 | }, |
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| 26 | |
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| 27 | ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', |
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| 28 | JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, |
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| 29 | |
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| 30 | emptyFunction: function() { }, |
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| 31 | K: function(x) { return x } |
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| 32 | } |
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| 33 | |
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| 34 | var Class = { |
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| 35 | create: function() { |
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| 36 | return function() { |
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| 37 | this.initialize.apply(this, arguments); |
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| 38 | } |
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| 39 | } |
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| 40 | } |
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| 41 | |
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| 42 | var Abstract = new Object(); |
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| 43 | |
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| 44 | Object.extend = function(destination, source) { |
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| 45 | for (var property in source) { |
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| 46 | destination[property] = source[property]; |
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| 47 | } |
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| 48 | return destination; |
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| 49 | } |
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| 50 | |
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| 51 | Object.extend(Object, { |
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| 52 | inspect: function(object) { |
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| 53 | try { |
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| 54 | if (object === undefined) return 'undefined'; |
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| 55 | if (object === null) return 'null'; |
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| 56 | return object.inspect ? object.inspect() : object.toString(); |
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| 57 | } catch (e) { |
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| 58 | if (e instanceof RangeError) return '...'; |
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| 59 | throw e; |
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| 60 | } |
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| 61 | }, |
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| 62 | |
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| 63 | toJSON: function(object) { |
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| 64 | var type = typeof object; |
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| 65 | switch(type) { |
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| 66 | case 'undefined': |
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| 67 | case 'function': |
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| 68 | case 'unknown': return; |
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| 69 | case 'boolean': return object.toString(); |
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| 70 | } |
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| 71 | if (object === null) return 'null'; |
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| 72 | if (object.toJSON) return object.toJSON(); |
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| 73 | if (object.ownerDocument === document) return; |
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| 74 | var results = []; |
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| 75 | for (var property in object) { |
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| 76 | var value = Object.toJSON(object[property]); |
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| 77 | if (value !== undefined) |
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| 78 | results.push(property.toJSON() + ': ' + value); |
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| 79 | } |
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| 80 | return '{' + results.join(', ') + '}'; |
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| 81 | }, |
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| 82 | |
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| 83 | keys: function(object) { |
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| 84 | var keys = []; |
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| 85 | for (var property in object) |
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| 86 | keys.push(property); |
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| 87 | return keys; |
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| 88 | }, |
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| 89 | |
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| 90 | values: function(object) { |
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| 91 | var values = []; |
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| 92 | for (var property in object) |
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| 93 | values.push(object[property]); |
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| 94 | return values; |
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| 95 | }, |
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| 96 | |
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| 97 | clone: function(object) { |
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| 98 | return Object.extend({}, object); |
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| 99 | } |
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| 100 | }); |
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| 101 | |
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| 102 | Function.prototype.bind = function() { |
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| 103 | var __method = this, args = $A(arguments), object = args.shift(); |
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| 104 | return function() { |
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| 105 | return __method.apply(object, args.concat($A(arguments))); |
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| 106 | } |
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| 107 | } |
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| 108 | |
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| 109 | Function.prototype.bindAsEventListener = function(object) { |
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| 110 | var __method = this, args = $A(arguments), object = args.shift(); |
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| 111 | return function(event) { |
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| 112 | return __method.apply(object, [event || window.event].concat(args)); |
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| 113 | } |
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| 114 | } |
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| 115 | |
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| 116 | Object.extend(Number.prototype, { |
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| 117 | toColorPart: function() { |
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| 118 | return this.toPaddedString(2, 16); |
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| 119 | }, |
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| 120 | |
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| 121 | succ: function() { |
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| 122 | return this + 1; |
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| 123 | }, |
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| 124 | |
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| 125 | times: function(iterator) { |
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| 126 | $R(0, this, true).each(iterator); |
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| 127 | return this; |
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| 128 | }, |
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| 129 | |
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| 130 | toPaddedString: function(length, radix) { |
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| 131 | var string = this.toString(radix || 10); |
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| 132 | return '0'.times(length - string.length) + string; |
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| 133 | }, |
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| 134 | |
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| 135 | toJSON: function() { |
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| 136 | return isFinite(this) ? this.toString() : 'null'; |
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| 137 | } |
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| 138 | }); |
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| 139 | |
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| 140 | Date.prototype.toJSON = function() { |
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| 141 | return '"' + this.getFullYear() + '-' + |
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| 142 | (this.getMonth() + 1).toPaddedString(2) + '-' + |
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| 143 | this.getDate().toPaddedString(2) + 'T' + |
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| 144 | this.getHours().toPaddedString(2) + ':' + |
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| 145 | this.getMinutes().toPaddedString(2) + ':' + |
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| 146 | this.getSeconds().toPaddedString(2) + '"'; |
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| 147 | }; |
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| 148 | |
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| 149 | var Try = { |
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| 150 | these: function() { |
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| 151 | var returnValue; |
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| 152 | |
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| 153 | for (var i = 0, length = arguments.length; i < length; i++) { |
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| 154 | var lambda = arguments[i]; |
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| 155 | try { |
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| 156 | returnValue = lambda(); |
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| 157 | break; |
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| 158 | } catch (e) {} |
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| 159 | } |
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| 160 | |
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| 161 | return returnValue; |
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| 162 | } |
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| 163 | } |
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| 164 | |
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| 165 | /*--------------------------------------------------------------------------*/ |
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| 166 | |
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| 167 | var PeriodicalExecuter = Class.create(); |
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| 168 | PeriodicalExecuter.prototype = { |
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| 169 | initialize: function(callback, frequency) { |
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| 170 | this.callback = callback; |
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| 171 | this.frequency = frequency; |
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| 172 | this.currentlyExecuting = false; |
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| 173 | |
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| 174 | this.registerCallback(); |
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| 175 | }, |
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| 176 | |
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| 177 | registerCallback: function() { |
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| 178 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
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| 179 | }, |
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| 180 | |
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| 181 | stop: function() { |
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| 182 | if (!this.timer) return; |
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| 183 | clearInterval(this.timer); |
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| 184 | this.timer = null; |
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| 185 | }, |
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| 186 | |
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| 187 | onTimerEvent: function() { |
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| 188 | if (!this.currentlyExecuting) { |
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| 189 | try { |
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| 190 | this.currentlyExecuting = true; |
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| 191 | this.callback(this); |
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| 192 | } finally { |
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| 193 | this.currentlyExecuting = false; |
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| 194 | } |
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| 195 | } |
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| 196 | } |
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| 197 | } |
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| 198 | Object.extend(String, { |
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| 199 | interpret: function(value) { |
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| 200 | return value == null ? '' : String(value); |
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| 201 | }, |
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| 202 | specialChar: { |
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| 203 | '\b': '\\b', |
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| 204 | '\t': '\\t', |
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| 205 | '\n': '\\n', |
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| 206 | '\f': '\\f', |
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| 207 | '\r': '\\r', |
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| 208 | '\\': '\\\\' |
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| 209 | } |
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| 210 | }); |
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| 211 | |
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| 212 | Object.extend(String.prototype, { |
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| 213 | gsub: function(pattern, replacement) { |
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| 214 | var result = '', source = this, match; |
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| 215 | replacement = arguments.callee.prepareReplacement(replacement); |
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| 216 | |
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| 217 | while (source.length > 0) { |
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| 218 | if (match = source.match(pattern)) { |
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| 219 | result += source.slice(0, match.index); |
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| 220 | result += String.interpret(replacement(match)); |
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| 221 | source = source.slice(match.index + match[0].length); |
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| 222 | } else { |
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| 223 | result += source, source = ''; |
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| 224 | } |
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| 225 | } |
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| 226 | return result; |
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| 227 | }, |
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| 228 | |
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| 229 | sub: function(pattern, replacement, count) { |
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| 230 | replacement = this.gsub.prepareReplacement(replacement); |
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| 231 | count = count === undefined ? 1 : count; |
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| 232 | |
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| 233 | return this.gsub(pattern, function(match) { |
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| 234 | if (--count < 0) return match[0]; |
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| 235 | return replacement(match); |
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| 236 | }); |
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| 237 | }, |
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| 238 | |
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| 239 | scan: function(pattern, iterator) { |
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| 240 | this.gsub(pattern, iterator); |
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| 241 | return this; |
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| 242 | }, |
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| 243 | |
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| 244 | truncate: function(length, truncation) { |
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| 245 | length = length || 30; |
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| 246 | truncation = truncation === undefined ? '...' : truncation; |
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| 247 | return this.length > length ? |
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| 248 | this.slice(0, length - truncation.length) + truncation : this; |
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| 249 | }, |
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| 250 | |
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| 251 | strip: function() { |
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| 252 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
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| 253 | }, |
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| 254 | |
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| 255 | stripTags: function() { |
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| 256 | return this.replace(/<\/?[^>]+>/gi, ''); |
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| 257 | }, |
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| 258 | |
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| 259 | stripScripts: function() { |
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| 260 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
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| 261 | }, |
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| 262 | |
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| 263 | extractScripts: function() { |
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| 264 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
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| 265 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
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| 266 | return (this.match(matchAll) || []).map(function(scriptTag) { |
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| 267 | return (scriptTag.match(matchOne) || ['', ''])[1]; |
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| 268 | }); |
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| 269 | }, |
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| 270 | |
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| 271 | evalScripts: function() { |
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| 272 | return this.extractScripts().map(function(script) { return eval(script) }); |
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| 273 | }, |
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| 274 | |
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| 275 | escapeHTML: function() { |
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| 276 | var self = arguments.callee; |
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| 277 | self.text.data = this; |
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| 278 | return self.div.innerHTML; |
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| 279 | }, |
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| 280 | |
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| 281 | unescapeHTML: function() { |
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| 282 | var div = document.createElement('div'); |
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| 283 | div.innerHTML = this.stripTags(); |
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| 284 | return div.childNodes[0] ? (div.childNodes.length > 1 ? |
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| 285 | $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : |
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| 286 | div.childNodes[0].nodeValue) : ''; |
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| 287 | }, |
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| 288 | |
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| 289 | toQueryParams: function(separator) { |
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| 290 | var match = this.strip().match(/([^?#]*)(#.*)?$/); |
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| 291 | if (!match) return {}; |
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| 292 | |
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| 293 | return match[1].split(separator || '&').inject({}, function(hash, pair) { |
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| 294 | if ((pair = pair.split('='))[0]) { |
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| 295 | var key = decodeURIComponent(pair.shift()); |
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| 296 | var value = pair.length > 1 ? pair.join('=') : pair[0]; |
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| 297 | if (value != undefined) value = decodeURIComponent(value); |
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| 298 | |
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| 299 | if (key in hash) { |
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| 300 | if (hash[key].constructor != Array) hash[key] = [hash[key]]; |
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| 301 | hash[key].push(value); |
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| 302 | } |
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| 303 | else hash[key] = value; |
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| 304 | } |
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| 305 | return hash; |
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| 306 | }); |
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| 307 | }, |
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| 308 | |
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| 309 | toArray: function() { |
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| 310 | return this.split(''); |
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| 311 | }, |
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| 312 | |
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| 313 | succ: function() { |
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| 314 | return this.slice(0, this.length - 1) + |
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| 315 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
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| 316 | }, |
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| 317 | |
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| 318 | times: function(count) { |
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| 319 | var result = ''; |
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| 320 | for (var i = 0; i < count; i++) result += this; |
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| 321 | return result; |
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| 322 | }, |
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| 323 | |
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| 324 | camelize: function() { |
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| 325 | var parts = this.split('-'), len = parts.length; |
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| 326 | if (len == 1) return parts[0]; |
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| 327 | |
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| 328 | var camelized = this.charAt(0) == '-' |
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| 329 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
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| 330 | : parts[0]; |
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| 331 | |
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| 332 | for (var i = 1; i < len; i++) |
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| 333 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
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| 334 | |
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| 335 | return camelized; |
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| 336 | }, |
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| 337 | |
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| 338 | capitalize: function() { |
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| 339 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
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| 340 | }, |
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| 341 | |
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| 342 | underscore: function() { |
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| 343 | return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); |
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| 344 | }, |
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| 345 | |
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| 346 | dasherize: function() { |
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| 347 | return this.gsub(/_/,'-'); |
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| 348 | }, |
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| 349 | |
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| 350 | inspect: function(useDoubleQuotes) { |
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| 351 | var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { |
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| 352 | var character = String.specialChar[match[0]]; |
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| 353 | return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); |
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| 354 | }); |
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| 355 | if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
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| 356 | return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
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| 357 | }, |
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| 358 | |
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| 359 | toJSON: function() { |
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| 360 | return this.inspect(true); |
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| 361 | }, |
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| 362 | |
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| 363 | unfilterJSON: function(filter) { |
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| 364 | return this.sub(filter || Prototype.JSONFilter, '#{1}'); |
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| 365 | }, |
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| 366 | |
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| 367 | isJSON: function() { |
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| 368 | var str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); |
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| 369 | return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); |
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| 370 | }, |
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| 371 | |
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| 372 | evalJSON: function(sanitize) { |
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| 373 | var json = this.unfilterJSON(); |
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| 374 | try { |
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| 375 | if (!sanitize || json.isJSON()) return eval('(' + json + ')'); |
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| 376 | } catch (e) { } |
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| 377 | throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); |
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| 378 | }, |
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| 379 | |
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| 380 | include: function(pattern) { |
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| 381 | return this.indexOf(pattern) > -1; |
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| 382 | }, |
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| 383 | |
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| 384 | startsWith: function(pattern) { |
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| 385 | return this.indexOf(pattern) === 0; |
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| 386 | }, |
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| 387 | |
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| 388 | endsWith: function(pattern) { |
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| 389 | var d = this.length - pattern.length; |
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| 390 | return d >= 0 && this.lastIndexOf(pattern) === d; |
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| 391 | }, |
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| 392 | |
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| 393 | empty: function() { |
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| 394 | return this == ''; |
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| 395 | }, |
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| 396 | |
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| 397 | blank: function() { |
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| 398 | return /^\s*$/.test(this); |
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| 399 | } |
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| 400 | }); |
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| 401 | |
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| 402 | if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { |
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| 403 | escapeHTML: function() { |
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| 404 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
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| 405 | }, |
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| 406 | unescapeHTML: function() { |
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| 407 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
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| 408 | } |
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| 409 | }); |
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| 410 | |
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| 411 | String.prototype.gsub.prepareReplacement = function(replacement) { |
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| 412 | if (typeof replacement == 'function') return replacement; |
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| 413 | var template = new Template(replacement); |
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| 414 | return function(match) { return template.evaluate(match) }; |
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| 415 | } |
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| 416 | |
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| 417 | String.prototype.parseQuery = String.prototype.toQueryParams; |
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| 418 | |
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| 419 | Object.extend(String.prototype.escapeHTML, { |
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| 420 | div: document.createElement('div'), |
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| 421 | text: document.createTextNode('') |
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| 422 | }); |
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| 423 | |
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| 424 | with (String.prototype.escapeHTML) div.appendChild(text); |
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| 425 | |
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| 426 | var Template = Class.create(); |
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| 427 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
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| 428 | Template.prototype = { |
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| 429 | initialize: function(template, pattern) { |
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| 430 | this.template = template.toString(); |
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| 431 | this.pattern = pattern || Template.Pattern; |
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| 432 | }, |
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| 433 | |
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| 434 | evaluate: function(object) { |
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| 435 | return this.template.gsub(this.pattern, function(match) { |
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| 436 | var before = match[1]; |
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| 437 | if (before == '\\') return match[2]; |
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| 438 | return before + String.interpret(object[match[3]]); |
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| 439 | }); |
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| 440 | } |
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| 441 | } |
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| 442 | |
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| 443 | var $break = {}, $continue = new Error('"throw $continue" is deprecated, use "return" instead'); |
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| 444 | |
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| 445 | var Enumerable = { |
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| 446 | each: function(iterator) { |
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| 447 | var index = 0; |
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| 448 | try { |
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| 449 | this._each(function(value) { |
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| 450 | iterator(value, index++); |
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| 451 | }); |
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| 452 | } catch (e) { |
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| 453 | if (e != $break) throw e; |
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| 454 | } |
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| 455 | return this; |
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| 456 | }, |
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| 457 | |
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| 458 | eachSlice: function(number, iterator) { |
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| 459 | var index = -number, slices = [], array = this.toArray(); |
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| 460 | while ((index += number) < array.length) |
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| 461 | slices.push(array.slice(index, index+number)); |
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| 462 | return slices.map(iterator); |
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| 463 | }, |
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| 464 | |
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| 465 | all: function(iterator) { |
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| 466 | var result = true; |
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| 467 | this.each(function(value, index) { |
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| 468 | result = result && !!(iterator || Prototype.K)(value, index); |
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| 469 | if (!result) throw $break; |
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| 470 | }); |
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| 471 | return result; |
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| 472 | }, |
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| 473 | |
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| 474 | any: function(iterator) { |
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| 475 | var result = false; |
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| 476 | this.each(function(value, index) { |
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| 477 | if (result = !!(iterator || Prototype.K)(value, index)) |
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| 478 | throw $break; |
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| 479 | }); |
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| 480 | return result; |
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| 481 | }, |
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| 482 | |
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| 483 | collect: function(iterator) { |
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| 484 | var results = []; |
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| 485 | this.each(function(value, index) { |
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| 486 | results.push((iterator || Prototype.K)(value, index)); |
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| 487 | }); |
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| 488 | return results; |
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| 489 | }, |
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| 490 | |
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| 491 | detect: function(iterator) { |
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| 492 | var result; |
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| 493 | this.each(function(value, index) { |
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| 494 | if (iterator(value, index)) { |
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| 495 | result = value; |
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| 496 | throw $break; |
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| 497 | } |
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| 498 | }); |
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| 499 | return result; |
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| 500 | }, |
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| 501 | |
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| 502 | findAll: function(iterator) { |
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| 503 | var results = []; |
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| 504 | this.each(function(value, index) { |
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| 505 | if (iterator(value, index)) |
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| 506 | results.push(value); |
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| 507 | }); |
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| 508 | return results; |
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| 509 | }, |
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| 510 | |
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| 511 | grep: function(pattern, iterator) { |
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| 512 | var results = []; |
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| 513 | this.each(function(value, index) { |
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| 514 | var stringValue = value.toString(); |
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| 515 | if (stringValue.match(pattern)) |
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| 516 | results.push((iterator || Prototype.K)(value, index)); |
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| 517 | }) |
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| 518 | return results; |
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| 519 | }, |
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| 520 | |
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| 521 | include: function(object) { |
---|
| 522 | var found = false; |
---|
| 523 | this.each(function(value) { |
---|
| 524 | if (value == object) { |
---|
| 525 | found = true; |
---|
| 526 | throw $break; |
---|
| 527 | } |
---|
| 528 | }); |
---|
| 529 | return found; |
---|
| 530 | }, |
---|
| 531 | |
---|
| 532 | inGroupsOf: function(number, fillWith) { |
---|
| 533 | fillWith = fillWith === undefined ? null : fillWith; |
---|
| 534 | return this.eachSlice(number, function(slice) { |
---|
| 535 | while(slice.length < number) slice.push(fillWith); |
---|
| 536 | return slice; |
---|
| 537 | }); |
---|
| 538 | }, |
---|
| 539 | |
---|
| 540 | inject: function(memo, iterator) { |
---|
| 541 | this.each(function(value, index) { |
---|
| 542 | memo = iterator(memo, value, index); |
---|
| 543 | }); |
---|
| 544 | return memo; |
---|
| 545 | }, |
---|
| 546 | |
---|
| 547 | invoke: function(method) { |
---|
| 548 | var args = $A(arguments).slice(1); |
---|
| 549 | return this.map(function(value) { |
---|
| 550 | return value[method].apply(value, args); |
---|
| 551 | }); |
---|
| 552 | }, |
---|
| 553 | |
---|
| 554 | max: function(iterator) { |
---|
| 555 | var result; |
---|
| 556 | this.each(function(value, index) { |
---|
| 557 | value = (iterator || Prototype.K)(value, index); |
---|
| 558 | if (result == undefined || value >= result) |
---|
| 559 | result = value; |
---|
| 560 | }); |
---|
| 561 | return result; |
---|
| 562 | }, |
---|
| 563 | |
---|
| 564 | min: function(iterator) { |
---|
| 565 | var result; |
---|
| 566 | this.each(function(value, index) { |
---|
| 567 | value = (iterator || Prototype.K)(value, index); |
---|
| 568 | if (result == undefined || value < result) |
---|
| 569 | result = value; |
---|
| 570 | }); |
---|
| 571 | return result; |
---|
| 572 | }, |
---|
| 573 | |
---|
| 574 | partition: function(iterator) { |
---|
| 575 | var trues = [], falses = []; |
---|
| 576 | this.each(function(value, index) { |
---|
| 577 | ((iterator || Prototype.K)(value, index) ? |
---|
| 578 | trues : falses).push(value); |
---|
| 579 | }); |
---|
| 580 | return [trues, falses]; |
---|
| 581 | }, |
---|
| 582 | |
---|
| 583 | pluck: function(property) { |
---|
| 584 | var results = []; |
---|
| 585 | this.each(function(value, index) { |
---|
| 586 | results.push(value[property]); |
---|
| 587 | }); |
---|
| 588 | return results; |
---|
| 589 | }, |
---|
| 590 | |
---|
| 591 | reject: function(iterator) { |
---|
| 592 | var results = []; |
---|
| 593 | this.each(function(value, index) { |
---|
| 594 | if (!iterator(value, index)) |
---|
| 595 | results.push(value); |
---|
| 596 | }); |
---|
| 597 | return results; |
---|
| 598 | }, |
---|
| 599 | |
---|
| 600 | sortBy: function(iterator) { |
---|
| 601 | return this.map(function(value, index) { |
---|
| 602 | return {value: value, criteria: iterator(value, index)}; |
---|
| 603 | }).sort(function(left, right) { |
---|
| 604 | var a = left.criteria, b = right.criteria; |
---|
| 605 | return a < b ? -1 : a > b ? 1 : 0; |
---|
| 606 | }).pluck('value'); |
---|
| 607 | }, |
---|
| 608 | |
---|
| 609 | toArray: function() { |
---|
| 610 | return this.map(); |
---|
| 611 | }, |
---|
| 612 | |
---|
| 613 | zip: function() { |
---|
| 614 | var iterator = Prototype.K, args = $A(arguments); |
---|
| 615 | if (typeof args.last() == 'function') |
---|
| 616 | iterator = args.pop(); |
---|
| 617 | |
---|
| 618 | var collections = [this].concat(args).map($A); |
---|
| 619 | return this.map(function(value, index) { |
---|
| 620 | return iterator(collections.pluck(index)); |
---|
| 621 | }); |
---|
| 622 | }, |
---|
| 623 | |
---|
| 624 | size: function() { |
---|
| 625 | return this.toArray().length; |
---|
| 626 | }, |
---|
| 627 | |
---|
| 628 | inspect: function() { |
---|
| 629 | return '#<Enumerable:' + this.toArray().inspect() + '>'; |
---|
| 630 | } |
---|
| 631 | } |
---|
| 632 | |
---|
| 633 | Object.extend(Enumerable, { |
---|
| 634 | map: Enumerable.collect, |
---|
| 635 | find: Enumerable.detect, |
---|
| 636 | select: Enumerable.findAll, |
---|
| 637 | member: Enumerable.include, |
---|
| 638 | entries: Enumerable.toArray |
---|
| 639 | }); |
---|
| 640 | var $A = Array.from = function(iterable) { |
---|
| 641 | if (!iterable) return []; |
---|
| 642 | if (iterable.toArray) { |
---|
| 643 | return iterable.toArray(); |
---|
| 644 | } else { |
---|
| 645 | var results = []; |
---|
| 646 | for (var i = 0, length = iterable.length; i < length; i++) |
---|
| 647 | results.push(iterable[i]); |
---|
| 648 | return results; |
---|
| 649 | } |
---|
| 650 | } |
---|
| 651 | |
---|
| 652 | if (Prototype.Browser.WebKit) { |
---|
| 653 | $A = Array.from = function(iterable) { |
---|
| 654 | if (!iterable) return []; |
---|
| 655 | if (!(typeof iterable == 'function' && iterable == '[object NodeList]') && |
---|
| 656 | iterable.toArray) { |
---|
| 657 | return iterable.toArray(); |
---|
| 658 | } else { |
---|
| 659 | var results = []; |
---|
| 660 | for (var i = 0, length = iterable.length; i < length; i++) |
---|
| 661 | results.push(iterable[i]); |
---|
| 662 | return results; |
---|
| 663 | } |
---|
| 664 | } |
---|
| 665 | } |
---|
| 666 | |
---|
| 667 | Object.extend(Array.prototype, Enumerable); |
---|
| 668 | |
---|
| 669 | if (!Array.prototype._reverse) |
---|
| 670 | Array.prototype._reverse = Array.prototype.reverse; |
---|
| 671 | |
---|
| 672 | Object.extend(Array.prototype, { |
---|
| 673 | _each: function(iterator) { |
---|
| 674 | for (var i = 0, length = this.length; i < length; i++) |
---|
| 675 | iterator(this[i]); |
---|
| 676 | }, |
---|
| 677 | |
---|
| 678 | clear: function() { |
---|
| 679 | this.length = 0; |
---|
| 680 | return this; |
---|
| 681 | }, |
---|
| 682 | |
---|
| 683 | first: function() { |
---|
| 684 | return this[0]; |
---|
| 685 | }, |
---|
| 686 | |
---|
| 687 | last: function() { |
---|
| 688 | return this[this.length - 1]; |
---|
| 689 | }, |
---|
| 690 | |
---|
| 691 | compact: function() { |
---|
| 692 | return this.select(function(value) { |
---|
| 693 | return value != null; |
---|
| 694 | }); |
---|
| 695 | }, |
---|
| 696 | |
---|
| 697 | flatten: function() { |
---|
| 698 | return this.inject([], function(array, value) { |
---|
| 699 | return array.concat(value && value.constructor == Array ? |
---|
| 700 | value.flatten() : [value]); |
---|
| 701 | }); |
---|
| 702 | }, |
---|
| 703 | |
---|
| 704 | without: function() { |
---|
| 705 | var values = $A(arguments); |
---|
| 706 | return this.select(function(value) { |
---|
| 707 | return !values.include(value); |
---|
| 708 | }); |
---|
| 709 | }, |
---|
| 710 | |
---|
| 711 | indexOf: function(object) { |
---|
| 712 | for (var i = 0, length = this.length; i < length; i++) |
---|
| 713 | if (this[i] == object) return i; |
---|
| 714 | return -1; |
---|
| 715 | }, |
---|
| 716 | |
---|
| 717 | reverse: function(inline) { |
---|
| 718 | return (inline !== false ? this : this.toArray())._reverse(); |
---|
| 719 | }, |
---|
| 720 | |
---|
| 721 | reduce: function() { |
---|
| 722 | return this.length > 1 ? this : this[0]; |
---|
| 723 | }, |
---|
| 724 | |
---|
| 725 | uniq: function(sorted) { |
---|
| 726 | return this.inject([], function(array, value, index) { |
---|
| 727 | if (0 == index || (sorted ? array.last() != value : !array.include(value))) |
---|
| 728 | array.push(value); |
---|
| 729 | return array; |
---|
| 730 | }); |
---|
| 731 | }, |
---|
| 732 | |
---|
| 733 | clone: function() { |
---|
| 734 | return [].concat(this); |
---|
| 735 | }, |
---|
| 736 | |
---|
| 737 | size: function() { |
---|
| 738 | return this.length; |
---|
| 739 | }, |
---|
| 740 | |
---|
| 741 | inspect: function() { |
---|
| 742 | return '[' + this.map(Object.inspect).join(', ') + ']'; |
---|
| 743 | }, |
---|
| 744 | |
---|
| 745 | toJSON: function() { |
---|
| 746 | var results = []; |
---|
| 747 | this.each(function(object) { |
---|
| 748 | var value = Object.toJSON(object); |
---|
| 749 | if (value !== undefined) results.push(value); |
---|
| 750 | }); |
---|
| 751 | return '[' + results.join(', ') + ']'; |
---|
| 752 | } |
---|
| 753 | }); |
---|
| 754 | |
---|
| 755 | Array.prototype.toArray = Array.prototype.clone; |
---|
| 756 | |
---|
| 757 | function $w(string) { |
---|
| 758 | string = string.strip(); |
---|
| 759 | return string ? string.split(/\s+/) : []; |
---|
| 760 | } |
---|
| 761 | |
---|
| 762 | if (Prototype.Browser.Opera){ |
---|
| 763 | Array.prototype.concat = function() { |
---|
| 764 | var array = []; |
---|
| 765 | for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
---|
| 766 | for (var i = 0, length = arguments.length; i < length; i++) { |
---|
| 767 | if (arguments[i].constructor == Array) { |
---|
| 768 | for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) |
---|
| 769 | array.push(arguments[i][j]); |
---|
| 770 | } else { |
---|
| 771 | array.push(arguments[i]); |
---|
| 772 | } |
---|
| 773 | } |
---|
| 774 | return array; |
---|
| 775 | } |
---|
| 776 | } |
---|
| 777 | var Hash = function(object) { |
---|
| 778 | if (object instanceof Hash) this.merge(object); |
---|
| 779 | else Object.extend(this, object || {}); |
---|
| 780 | }; |
---|
| 781 | |
---|
| 782 | Object.extend(Hash, { |
---|
| 783 | toQueryString: function(obj) { |
---|
| 784 | var parts = []; |
---|
| 785 | parts.add = arguments.callee.addPair; |
---|
| 786 | |
---|
| 787 | this.prototype._each.call(obj, function(pair) { |
---|
| 788 | if (!pair.key) return; |
---|
| 789 | var value = pair.value; |
---|
| 790 | |
---|
| 791 | if (value && typeof value == 'object') { |
---|
| 792 | if (value.constructor == Array) value.each(function(value) { |
---|
| 793 | parts.add(pair.key, value); |
---|
| 794 | }); |
---|
| 795 | return; |
---|
| 796 | } |
---|
| 797 | parts.add(pair.key, value); |
---|
| 798 | }); |
---|
| 799 | |
---|
| 800 | return parts.join('&'); |
---|
| 801 | }, |
---|
| 802 | |
---|
| 803 | toJSON: function(object) { |
---|
| 804 | var results = []; |
---|
| 805 | this.prototype._each.call(object, function(pair) { |
---|
| 806 | var value = Object.toJSON(pair.value); |
---|
| 807 | if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value); |
---|
| 808 | }); |
---|
| 809 | return '{' + results.join(', ') + '}'; |
---|
| 810 | } |
---|
| 811 | }); |
---|
| 812 | |
---|
| 813 | Hash.toQueryString.addPair = function(key, value, prefix) { |
---|
| 814 | key = encodeURIComponent(key); |
---|
| 815 | if (value === undefined) this.push(key); |
---|
| 816 | else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value))); |
---|
| 817 | } |
---|
| 818 | |
---|
| 819 | Object.extend(Hash.prototype, Enumerable); |
---|
| 820 | Object.extend(Hash.prototype, { |
---|
| 821 | _each: function(iterator) { |
---|
| 822 | for (var key in this) { |
---|
| 823 | var value = this[key]; |
---|
| 824 | if (value && value == Hash.prototype[key]) continue; |
---|
| 825 | |
---|
| 826 | var pair = [key, value]; |
---|
| 827 | pair.key = key; |
---|
| 828 | pair.value = value; |
---|
| 829 | iterator(pair); |
---|
| 830 | } |
---|
| 831 | }, |
---|
| 832 | |
---|
| 833 | keys: function() { |
---|
| 834 | return this.pluck('key'); |
---|
| 835 | }, |
---|
| 836 | |
---|
| 837 | values: function() { |
---|
| 838 | return this.pluck('value'); |
---|
| 839 | }, |
---|
| 840 | |
---|
| 841 | merge: function(hash) { |
---|
| 842 | return $H(hash).inject(this, function(mergedHash, pair) { |
---|
| 843 | mergedHash[pair.key] = pair.value; |
---|
| 844 | return mergedHash; |
---|
| 845 | }); |
---|
| 846 | }, |
---|
| 847 | |
---|
| 848 | remove: function() { |
---|
| 849 | var result; |
---|
| 850 | for(var i = 0, length = arguments.length; i < length; i++) { |
---|
| 851 | var value = this[arguments[i]]; |
---|
| 852 | if (value !== undefined){ |
---|
| 853 | if (result === undefined) result = value; |
---|
| 854 | else { |
---|
| 855 | if (result.constructor != Array) result = [result]; |
---|
| 856 | result.push(value) |
---|
| 857 | } |
---|
| 858 | } |
---|
| 859 | delete this[arguments[i]]; |
---|
| 860 | } |
---|
| 861 | return result; |
---|
| 862 | }, |
---|
| 863 | |
---|
| 864 | toQueryString: function() { |
---|
| 865 | return Hash.toQueryString(this); |
---|
| 866 | }, |
---|
| 867 | |
---|
| 868 | inspect: function() { |
---|
| 869 | return '#<Hash:{' + this.map(function(pair) { |
---|
| 870 | return pair.map(Object.inspect).join(': '); |
---|
| 871 | }).join(', ') + '}>'; |
---|
| 872 | }, |
---|
| 873 | |
---|
| 874 | toJSON: function() { |
---|
| 875 | return Hash.toJSON(this); |
---|
| 876 | } |
---|
| 877 | }); |
---|
| 878 | |
---|
| 879 | function $H(object) { |
---|
| 880 | if (object instanceof Hash) return object; |
---|
| 881 | return new Hash(object); |
---|
| 882 | }; |
---|
| 883 | |
---|
| 884 | // Safari iterates over shadowed properties |
---|
| 885 | if (function() { |
---|
| 886 | var i = 0, Test = function(value) { this.key = value }; |
---|
| 887 | Test.prototype.key = 'foo'; |
---|
| 888 | for (var property in new Test('bar')) i++; |
---|
| 889 | return i > 1; |
---|
| 890 | }()) Hash.prototype._each = function(iterator) { |
---|
| 891 | var cache = []; |
---|
| 892 | for (var key in this) { |
---|
| 893 | var value = this[key]; |
---|
| 894 | if ((value && value == Hash.prototype[key]) || cache.include(key)) continue; |
---|
| 895 | cache.push(key); |
---|
| 896 | var pair = [key, value]; |
---|
| 897 | pair.key = key; |
---|
| 898 | pair.value = value; |
---|
| 899 | iterator(pair); |
---|
| 900 | } |
---|
| 901 | }; |
---|
| 902 | ObjectRange = Class.create(); |
---|
| 903 | Object.extend(ObjectRange.prototype, Enumerable); |
---|
| 904 | Object.extend(ObjectRange.prototype, { |
---|
| 905 | initialize: function(start, end, exclusive) { |
---|
| 906 | this.start = start; |
---|
| 907 | this.end = end; |
---|
| 908 | this.exclusive = exclusive; |
---|
| 909 | }, |
---|
| 910 | |
---|
| 911 | _each: function(iterator) { |
---|
| 912 | var value = this.start; |
---|
| 913 | while (this.include(value)) { |
---|
| 914 | iterator(value); |
---|
| 915 | value = value.succ(); |
---|
| 916 | } |
---|
| 917 | }, |
---|
| 918 | |
---|
| 919 | include: function(value) { |
---|
| 920 | if (value < this.start) |
---|
| 921 | return false; |
---|
| 922 | if (this.exclusive) |
---|
| 923 | return value < this.end; |
---|
| 924 | return value <= this.end; |
---|
| 925 | } |
---|
| 926 | }); |
---|
| 927 | |
---|
| 928 | var $R = function(start, end, exclusive) { |
---|
| 929 | return new ObjectRange(start, end, exclusive); |
---|
| 930 | } |
---|
| 931 | |
---|
| 932 | var Ajax = { |
---|
| 933 | getTransport: function() { |
---|
| 934 | return Try.these( |
---|
| 935 | function() {return new XMLHttpRequest()}, |
---|
| 936 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
---|
| 937 | function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
---|
| 938 | ) || false; |
---|
| 939 | }, |
---|
| 940 | |
---|
| 941 | activeRequestCount: 0 |
---|
| 942 | } |
---|
| 943 | |
---|
| 944 | Ajax.Responders = { |
---|
| 945 | responders: [], |
---|
| 946 | |
---|
| 947 | _each: function(iterator) { |
---|
| 948 | this.responders._each(iterator); |
---|
| 949 | }, |
---|
| 950 | |
---|
| 951 | register: function(responder) { |
---|
| 952 | if (!this.include(responder)) |
---|
| 953 | this.responders.push(responder); |
---|
| 954 | }, |
---|
| 955 | |
---|
| 956 | unregister: function(responder) { |
---|
| 957 | this.responders = this.responders.without(responder); |
---|
| 958 | }, |
---|
| 959 | |
---|
| 960 | dispatch: function(callback, request, transport, json) { |
---|
| 961 | this.each(function(responder) { |
---|
| 962 | if (typeof responder[callback] == 'function') { |
---|
| 963 | try { |
---|
| 964 | responder[callback].apply(responder, [request, transport, json]); |
---|
| 965 | } catch (e) {} |
---|
| 966 | } |
---|
| 967 | }); |
---|
| 968 | } |
---|
| 969 | }; |
---|
| 970 | |
---|
| 971 | Object.extend(Ajax.Responders, Enumerable); |
---|
| 972 | |
---|
| 973 | Ajax.Responders.register({ |
---|
| 974 | onCreate: function() { |
---|
| 975 | Ajax.activeRequestCount++; |
---|
| 976 | }, |
---|
| 977 | onComplete: function() { |
---|
| 978 | Ajax.activeRequestCount--; |
---|
| 979 | } |
---|
| 980 | }); |
---|
| 981 | |
---|
| 982 | Ajax.Base = function() {}; |
---|
| 983 | Ajax.Base.prototype = { |
---|
| 984 | setOptions: function(options) { |
---|
| 985 | this.options = { |
---|
| 986 | method: 'post', |
---|
| 987 | asynchronous: true, |
---|
| 988 | contentType: 'application/x-www-form-urlencoded', |
---|
| 989 | encoding: 'UTF-8', |
---|
| 990 | parameters: '' |
---|
| 991 | } |
---|
| 992 | Object.extend(this.options, options || {}); |
---|
| 993 | |
---|
| 994 | this.options.method = this.options.method.toLowerCase(); |
---|
| 995 | if (typeof this.options.parameters == 'string') |
---|
| 996 | this.options.parameters = this.options.parameters.toQueryParams(); |
---|
| 997 | } |
---|
| 998 | } |
---|
| 999 | |
---|
| 1000 | Ajax.Request = Class.create(); |
---|
| 1001 | Ajax.Request.Events = |
---|
| 1002 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
---|
| 1003 | |
---|
| 1004 | Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
---|
| 1005 | _complete: false, |
---|
| 1006 | |
---|
| 1007 | initialize: function(url, options) { |
---|
| 1008 | this.transport = Ajax.getTransport(); |
---|
| 1009 | this.setOptions(options); |
---|
| 1010 | this.request(url); |
---|
| 1011 | }, |
---|
| 1012 | |
---|
| 1013 | request: function(url) { |
---|
| 1014 | this.url = url; |
---|
| 1015 | this.method = this.options.method; |
---|
| 1016 | var params = Object.clone(this.options.parameters); |
---|
| 1017 | |
---|
| 1018 | if (!['get', 'post'].include(this.method)) { |
---|
| 1019 | // simulate other verbs over post |
---|
| 1020 | params['_method'] = this.method; |
---|
| 1021 | this.method = 'post'; |
---|
| 1022 | } |
---|
| 1023 | |
---|
| 1024 | this.parameters = params; |
---|
| 1025 | |
---|
| 1026 | if (params = Hash.toQueryString(params)) { |
---|
| 1027 | // when GET, append parameters to URL |
---|
| 1028 | if (this.method == 'get') |
---|
| 1029 | this.url += (this.url.include('?') ? '&' : '?') + params; |
---|
| 1030 | else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
---|
| 1031 | params += '&_='; |
---|
| 1032 | } |
---|
| 1033 | |
---|
| 1034 | try { |
---|
| 1035 | if (this.options.onCreate) this.options.onCreate(this.transport); |
---|
| 1036 | Ajax.Responders.dispatch('onCreate', this, this.transport); |
---|
| 1037 | |
---|
| 1038 | this.transport.open(this.method.toUpperCase(), this.url, |
---|
| 1039 | this.options.asynchronous); |
---|
| 1040 | |
---|
| 1041 | if (this.options.asynchronous) |
---|
| 1042 | setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); |
---|
| 1043 | |
---|
| 1044 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
---|
| 1045 | this.setRequestHeaders(); |
---|
| 1046 | |
---|
| 1047 | this.body = this.method == 'post' ? (this.options.postBody || params) : null; |
---|
| 1048 | this.transport.send(this.body); |
---|
| 1049 | |
---|
| 1050 | /* Force Firefox to handle ready state 4 for synchronous requests */ |
---|
| 1051 | if (!this.options.asynchronous && this.transport.overrideMimeType) |
---|
| 1052 | this.onStateChange(); |
---|
| 1053 | |
---|
| 1054 | } |
---|
| 1055 | catch (e) { |
---|
| 1056 | this.dispatchException(e); |
---|
| 1057 | } |
---|
| 1058 | }, |
---|
| 1059 | |
---|
| 1060 | onStateChange: function() { |
---|
| 1061 | var readyState = this.transport.readyState; |
---|
| 1062 | if (readyState > 1 && !((readyState == 4) && this._complete)) |
---|
| 1063 | this.respondToReadyState(this.transport.readyState); |
---|
| 1064 | }, |
---|
| 1065 | |
---|
| 1066 | setRequestHeaders: function() { |
---|
| 1067 | var headers = { |
---|
| 1068 | 'X-Requested-With': 'XMLHttpRequest', |
---|
| 1069 | 'X-Prototype-Version': Prototype.Version, |
---|
| 1070 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
---|
| 1071 | }; |
---|
| 1072 | |
---|
| 1073 | if (this.method == 'post') { |
---|
| 1074 | headers['Content-type'] = this.options.contentType + |
---|
| 1075 | (this.options.encoding ? '; charset=' + this.options.encoding : ''); |
---|
| 1076 | |
---|
| 1077 | /* Force "Connection: close" for older Mozilla browsers to work |
---|
| 1078 | * around a bug where XMLHttpRequest sends an incorrect |
---|
| 1079 | * Content-length header. See Mozilla Bugzilla #246651. |
---|
| 1080 | */ |
---|
| 1081 | if (this.transport.overrideMimeType && |
---|
| 1082 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
---|
| 1083 | headers['Connection'] = 'close'; |
---|
| 1084 | } |
---|
| 1085 | |
---|
| 1086 | // user-defined headers |
---|
| 1087 | if (typeof this.options.requestHeaders == 'object') { |
---|
| 1088 | var extras = this.options.requestHeaders; |
---|
| 1089 | |
---|
| 1090 | if (typeof extras.push == 'function') |
---|
| 1091 | for (var i = 0, length = extras.length; i < length; i += 2) |
---|
| 1092 | headers[extras[i]] = extras[i+1]; |
---|
| 1093 | else |
---|
| 1094 | $H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
---|
| 1095 | } |
---|
| 1096 | |
---|
| 1097 | for (var name in headers) |
---|
| 1098 | this.transport.setRequestHeader(name, headers[name]); |
---|
| 1099 | }, |
---|
| 1100 | |
---|
| 1101 | success: function() { |
---|
| 1102 | return !this.transport.status |
---|
| 1103 | || (this.transport.status >= 200 && this.transport.status < 300); |
---|
| 1104 | }, |
---|
| 1105 | |
---|
| 1106 | respondToReadyState: function(readyState) { |
---|
| 1107 | var state = Ajax.Request.Events[readyState]; |
---|
| 1108 | var transport = this.transport, json = this.evalJSON(); |
---|
| 1109 | |
---|
| 1110 | if (state == 'Complete') { |
---|
| 1111 | try { |
---|
| 1112 | this._complete = true; |
---|
| 1113 | (this.options['on' + this.transport.status] |
---|
| 1114 | || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
---|
| 1115 | || Prototype.emptyFunction)(transport, json); |
---|
| 1116 | } catch (e) { |
---|
| 1117 | this.dispatchException(e); |
---|
| 1118 | } |
---|
| 1119 | |
---|
| 1120 | var contentType = this.getHeader('Content-type'); |
---|
| 1121 | if (contentType && contentType.strip(). |
---|
| 1122 | match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) |
---|
| 1123 | this.evalResponse(); |
---|
| 1124 | } |
---|
| 1125 | |
---|
| 1126 | try { |
---|
| 1127 | (this.options['on' + state] || Prototype.emptyFunction)(transport, json); |
---|
| 1128 | Ajax.Responders.dispatch('on' + state, this, transport, json); |
---|
| 1129 | } catch (e) { |
---|
| 1130 | this.dispatchException(e); |
---|
| 1131 | } |
---|
| 1132 | |
---|
| 1133 | if (state == 'Complete') { |
---|
| 1134 | // avoid memory leak in MSIE: clean up |
---|
| 1135 | this.transport.onreadystatechange = Prototype.emptyFunction; |
---|
| 1136 | } |
---|
| 1137 | }, |
---|
| 1138 | |
---|
| 1139 | getHeader: function(name) { |
---|
| 1140 | try { |
---|
| 1141 | return this.transport.getResponseHeader(name); |
---|
| 1142 | } catch (e) { return null } |
---|
| 1143 | }, |
---|
| 1144 | |
---|
| 1145 | evalJSON: function() { |
---|
| 1146 | try { |
---|
| 1147 | var json = this.getHeader('X-JSON'); |
---|
| 1148 | return json ? json.evalJSON() : null; |
---|
| 1149 | } catch (e) { return null } |
---|
| 1150 | }, |
---|
| 1151 | |
---|
| 1152 | evalResponse: function() { |
---|
| 1153 | try { |
---|
| 1154 | return eval((this.transport.responseText || '').unfilterJSON()); |
---|
| 1155 | } catch (e) { |
---|
| 1156 | this.dispatchException(e); |
---|
| 1157 | } |
---|
| 1158 | }, |
---|
| 1159 | |
---|
| 1160 | dispatchException: function(exception) { |
---|
| 1161 | (this.options.onException || Prototype.emptyFunction)(this, exception); |
---|
| 1162 | Ajax.Responders.dispatch('onException', this, exception); |
---|
| 1163 | } |
---|
| 1164 | }); |
---|
| 1165 | |
---|
| 1166 | Ajax.Updater = Class.create(); |
---|
| 1167 | |
---|
| 1168 | Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { |
---|
| 1169 | initialize: function(container, url, options) { |
---|
| 1170 | this.container = { |
---|
| 1171 | success: (container.success || container), |
---|
| 1172 | failure: (container.failure || (container.success ? null : container)) |
---|
| 1173 | } |
---|
| 1174 | |
---|
| 1175 | this.transport = Ajax.getTransport(); |
---|
| 1176 | this.setOptions(options); |
---|
| 1177 | |
---|
| 1178 | var onComplete = this.options.onComplete || Prototype.emptyFunction; |
---|
| 1179 | this.options.onComplete = (function(transport, param) { |
---|
| 1180 | this.updateContent(); |
---|
| 1181 | onComplete(transport, param); |
---|
| 1182 | }).bind(this); |
---|
| 1183 | |
---|
| 1184 | this.request(url); |
---|
| 1185 | }, |
---|
| 1186 | |
---|
| 1187 | updateContent: function() { |
---|
| 1188 | var receiver = this.container[this.success() ? 'success' : 'failure']; |
---|
| 1189 | var response = this.transport.responseText; |
---|
| 1190 | |
---|
| 1191 | if (!this.options.evalScripts) response = response.stripScripts(); |
---|
| 1192 | |
---|
| 1193 | if (receiver = $(receiver)) { |
---|
| 1194 | if (this.options.insertion) |
---|
| 1195 | new this.options.insertion(receiver, response); |
---|
| 1196 | else |
---|
| 1197 | receiver.update(response); |
---|
| 1198 | } |
---|
| 1199 | |
---|
| 1200 | if (this.success()) { |
---|
| 1201 | if (this.onComplete) |
---|
| 1202 | setTimeout(this.onComplete.bind(this), 10); |
---|
| 1203 | } |
---|
| 1204 | } |
---|
| 1205 | }); |
---|
| 1206 | |
---|
| 1207 | Ajax.PeriodicalUpdater = Class.create(); |
---|
| 1208 | Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { |
---|
| 1209 | initialize: function(container, url, options) { |
---|
| 1210 | this.setOptions(options); |
---|
| 1211 | this.onComplete = this.options.onComplete; |
---|
| 1212 | |
---|
| 1213 | this.frequency = (this.options.frequency || 2); |
---|
| 1214 | this.decay = (this.options.decay || 1); |
---|
| 1215 | |
---|
| 1216 | this.updater = {}; |
---|
| 1217 | this.container = container; |
---|
| 1218 | this.url = url; |
---|
| 1219 | |
---|
| 1220 | this.start(); |
---|
| 1221 | }, |
---|
| 1222 | |
---|
| 1223 | start: function() { |
---|
| 1224 | this.options.onComplete = this.updateComplete.bind(this); |
---|
| 1225 | this.onTimerEvent(); |
---|
| 1226 | }, |
---|
| 1227 | |
---|
| 1228 | stop: function() { |
---|
| 1229 | this.updater.options.onComplete = undefined; |
---|
| 1230 | clearTimeout(this.timer); |
---|
| 1231 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
---|
| 1232 | }, |
---|
| 1233 | |
---|
| 1234 | updateComplete: function(request) { |
---|
| 1235 | if (this.options.decay) { |
---|
| 1236 | this.decay = (request.responseText == this.lastText ? |
---|
| 1237 | this.decay * this.options.decay : 1); |
---|
| 1238 | |
---|
| 1239 | this.lastText = request.responseText; |
---|
| 1240 | } |
---|
| 1241 | this.timer = setTimeout(this.onTimerEvent.bind(this), |
---|
| 1242 | this.decay * this.frequency * 1000); |
---|
| 1243 | }, |
---|
| 1244 | |
---|
| 1245 | onTimerEvent: function() { |
---|
| 1246 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
---|
| 1247 | } |
---|
| 1248 | }); |
---|
| 1249 | function $(element) { |
---|
| 1250 | if (arguments.length > 1) { |
---|
| 1251 | for (var i = 0, elements = [], length = arguments.length; i < length; i++) |
---|
| 1252 | elements.push($(arguments[i])); |
---|
| 1253 | return elements; |
---|
| 1254 | } |
---|
| 1255 | if (typeof element == 'string') |
---|
| 1256 | element = document.getElementById(element); |
---|
| 1257 | return Element.extend(element); |
---|
| 1258 | } |
---|
| 1259 | |
---|
| 1260 | if (Prototype.BrowserFeatures.XPath) { |
---|
| 1261 | document._getElementsByXPath = function(expression, parentElement) { |
---|
| 1262 | var results = []; |
---|
| 1263 | var query = document.evaluate(expression, $(parentElement) || document, |
---|
| 1264 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
---|
| 1265 | for (var i = 0, length = query.snapshotLength; i < length; i++) |
---|
| 1266 | results.push(query.snapshotItem(i)); |
---|
| 1267 | return results; |
---|
| 1268 | }; |
---|
| 1269 | |
---|
| 1270 | document.getElementsByClassName = function(className, parentElement) { |
---|
| 1271 | var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; |
---|
| 1272 | return document._getElementsByXPath(q, parentElement); |
---|
| 1273 | } |
---|
| 1274 | |
---|
| 1275 | } else document.getElementsByClassName = function(className, parentElement) { |
---|
| 1276 | var children = ($(parentElement) || document.body).getElementsByTagName('*'); |
---|
| 1277 | var elements = [], child, pattern = new RegExp("(^|\\s)" + className + "(\\s|$)"); |
---|
| 1278 | for (var i = 0, length = children.length; i < length; i++) { |
---|
| 1279 | child = children[i]; |
---|
| 1280 | var elementClassName = child.className; |
---|
| 1281 | if (elementClassName.length == 0) continue; |
---|
| 1282 | if (elementClassName == className || elementClassName.match(pattern)) |
---|
| 1283 | elements.push(Element.extend(child)); |
---|
| 1284 | } |
---|
| 1285 | return elements; |
---|
| 1286 | }; |
---|
| 1287 | |
---|
| 1288 | /*--------------------------------------------------------------------------*/ |
---|
| 1289 | |
---|
| 1290 | if (!window.Element) var Element = {}; |
---|
| 1291 | |
---|
| 1292 | Element.extend = function(element) { |
---|
| 1293 | var F = Prototype.BrowserFeatures; |
---|
| 1294 | if (!element || !element.tagName || element.nodeType == 3 || |
---|
| 1295 | element._extended || F.SpecificElementExtensions || element == window) |
---|
| 1296 | return element; |
---|
| 1297 | |
---|
| 1298 | var methods = {}, tagName = element.tagName, cache = Element.extend.cache, |
---|
| 1299 | T = Element.Methods.ByTag; |
---|
| 1300 | |
---|
| 1301 | // extend methods for all tags (Safari doesn't need this) |
---|
| 1302 | if (!F.ElementExtensions) { |
---|
| 1303 | Object.extend(methods, Element.Methods), |
---|
| 1304 | Object.extend(methods, Element.Methods.Simulated); |
---|
| 1305 | } |
---|
| 1306 | |
---|
| 1307 | // extend methods for specific tags |
---|
| 1308 | if (T[tagName]) Object.extend(methods, T[tagName]); |
---|
| 1309 | |
---|
| 1310 | for (var property in methods) { |
---|
| 1311 | var value = methods[property]; |
---|
| 1312 | if (typeof value == 'function' && !(property in element)) |
---|
| 1313 | element[property] = cache.findOrStore(value); |
---|
| 1314 | } |
---|
| 1315 | |
---|
| 1316 | element._extended = Prototype.emptyFunction; |
---|
| 1317 | return element; |
---|
| 1318 | }; |
---|
| 1319 | |
---|
| 1320 | Element.extend.cache = { |
---|
| 1321 | findOrStore: function(value) { |
---|
| 1322 | return this[value] = this[value] || function() { |
---|
| 1323 | return value.apply(null, [this].concat($A(arguments))); |
---|
| 1324 | } |
---|
| 1325 | } |
---|
| 1326 | }; |
---|
| 1327 | |
---|
| 1328 | Element.Methods = { |
---|
| 1329 | visible: function(element) { |
---|
| 1330 | return $(element).style.display != 'none'; |
---|
| 1331 | }, |
---|
| 1332 | |
---|
| 1333 | toggle: function(element) { |
---|
| 1334 | element = $(element); |
---|
| 1335 | Element[Element.visible(element) ? 'hide' : 'show'](element); |
---|
| 1336 | return element; |
---|
| 1337 | }, |
---|
| 1338 | |
---|
| 1339 | hide: function(element) { |
---|
| 1340 | $(element).style.display = 'none'; |
---|
| 1341 | return element; |
---|
| 1342 | }, |
---|
| 1343 | |
---|
| 1344 | show: function(element) { |
---|
| 1345 | $(element).style.display = ''; |
---|
| 1346 | return element; |
---|
| 1347 | }, |
---|
| 1348 | |
---|
| 1349 | remove: function(element) { |
---|
| 1350 | element = $(element); |
---|
| 1351 | element.parentNode.removeChild(element); |
---|
| 1352 | return element; |
---|
| 1353 | }, |
---|
| 1354 | |
---|
| 1355 | update: function(element, html) { |
---|
| 1356 | html = typeof html == 'undefined' ? '' : html.toString(); |
---|
| 1357 | $(element).innerHTML = html.stripScripts(); |
---|
| 1358 | setTimeout(function() {html.evalScripts()}, 10); |
---|
| 1359 | return element; |
---|
| 1360 | }, |
---|
| 1361 | |
---|
| 1362 | replace: function(element, html) { |
---|
| 1363 | element = $(element); |
---|
| 1364 | html = typeof html == 'undefined' ? '' : html.toString(); |
---|
| 1365 | if (element.outerHTML) { |
---|
| 1366 | element.outerHTML = html.stripScripts(); |
---|
| 1367 | } else { |
---|
| 1368 | var range = element.ownerDocument.createRange(); |
---|
| 1369 | range.selectNodeContents(element); |
---|
| 1370 | element.parentNode.replaceChild( |
---|
| 1371 | range.createContextualFragment(html.stripScripts()), element); |
---|
| 1372 | } |
---|
| 1373 | setTimeout(function() {html.evalScripts()}, 10); |
---|
| 1374 | return element; |
---|
| 1375 | }, |
---|
| 1376 | |
---|
| 1377 | inspect: function(element) { |
---|
| 1378 | element = $(element); |
---|
| 1379 | var result = '<' + element.tagName.toLowerCase(); |
---|
| 1380 | $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
---|
| 1381 | var property = pair.first(), attribute = pair.last(); |
---|
| 1382 | var value = (element[property] || '').toString(); |
---|
| 1383 | if (value) result += ' ' + attribute + '=' + value.inspect(true); |
---|
| 1384 | }); |
---|
| 1385 | return result + '>'; |
---|
| 1386 | }, |
---|
| 1387 | |
---|
| 1388 | recursivelyCollect: function(element, property) { |
---|
| 1389 | element = $(element); |
---|
| 1390 | var elements = []; |
---|
| 1391 | while (element = element[property]) |
---|
| 1392 | if (element.nodeType == 1) |
---|
| 1393 | elements.push(Element.extend(element)); |
---|
| 1394 | return elements; |
---|
| 1395 | }, |
---|
| 1396 | |
---|
| 1397 | ancestors: function(element) { |
---|
| 1398 | return $(element).recursivelyCollect('parentNode'); |
---|
| 1399 | }, |
---|
| 1400 | |
---|
| 1401 | descendants: function(element) { |
---|
| 1402 | return $A($(element).getElementsByTagName('*')).each(Element.extend); |
---|
| 1403 | }, |
---|
| 1404 | |
---|
| 1405 | firstDescendant: function(element) { |
---|
| 1406 | element = $(element).firstChild; |
---|
| 1407 | while (element && element.nodeType != 1) element = element.nextSibling; |
---|
| 1408 | return $(element); |
---|
| 1409 | }, |
---|
| 1410 | |
---|
| 1411 | immediateDescendants: function(element) { |
---|
| 1412 | if (!(element = $(element).firstChild)) return []; |
---|
| 1413 | while (element && element.nodeType != 1) element = element.nextSibling; |
---|
| 1414 | if (element) return [element].concat($(element).nextSiblings()); |
---|
| 1415 | return []; |
---|
| 1416 | }, |
---|
| 1417 | |
---|
| 1418 | previousSiblings: function(element) { |
---|
| 1419 | return $(element).recursivelyCollect('previousSibling'); |
---|
| 1420 | }, |
---|
| 1421 | |
---|
| 1422 | nextSiblings: function(element) { |
---|
| 1423 | return $(element).recursivelyCollect('nextSibling'); |
---|
| 1424 | }, |
---|
| 1425 | |
---|
| 1426 | siblings: function(element) { |
---|
| 1427 | element = $(element); |
---|
| 1428 | return element.previousSiblings().reverse().concat(element.nextSiblings()); |
---|
| 1429 | }, |
---|
| 1430 | |
---|
| 1431 | match: function(element, selector) { |
---|
| 1432 | if (typeof selector == 'string') |
---|
| 1433 | selector = new Selector(selector); |
---|
| 1434 | return selector.match($(element)); |
---|
| 1435 | }, |
---|
| 1436 | |
---|
| 1437 | up: function(element, expression, index) { |
---|
| 1438 | element = $(element); |
---|
| 1439 | if (arguments.length == 1) return $(element.parentNode); |
---|
| 1440 | var ancestors = element.ancestors(); |
---|
| 1441 | return expression ? Selector.findElement(ancestors, expression, index) : |
---|
| 1442 | ancestors[index || 0]; |
---|
| 1443 | }, |
---|
| 1444 | |
---|
| 1445 | down: function(element, expression, index) { |
---|
| 1446 | element = $(element); |
---|
| 1447 | if (arguments.length == 1) return element.firstDescendant(); |
---|
| 1448 | var descendants = element.descendants(); |
---|
| 1449 | return expression ? Selector.findElement(descendants, expression, index) : |
---|
| 1450 | descendants[index || 0]; |
---|
| 1451 | }, |
---|
| 1452 | |
---|
| 1453 | previous: function(element, expression, index) { |
---|
| 1454 | element = $(element); |
---|
| 1455 | if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); |
---|
| 1456 | var previousSiblings = element.previousSiblings(); |
---|
| 1457 | return expression ? Selector.findElement(previousSiblings, expression, index) : |
---|
| 1458 | previousSiblings[index || 0]; |
---|
| 1459 | }, |
---|
| 1460 | |
---|
| 1461 | next: function(element, expression, index) { |
---|
| 1462 | element = $(element); |
---|
| 1463 | if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); |
---|
| 1464 | var nextSiblings = element.nextSiblings(); |
---|
| 1465 | return expression ? Selector.findElement(nextSiblings, expression, index) : |
---|
| 1466 | nextSiblings[index || 0]; |
---|
| 1467 | }, |
---|
| 1468 | |
---|
| 1469 | getElementsBySelector: function() { |
---|
| 1470 | var args = $A(arguments), element = $(args.shift()); |
---|
| 1471 | return Selector.findChildElements(element, args); |
---|
| 1472 | }, |
---|
| 1473 | |
---|
| 1474 | getElementsByClassName: function(element, className) { |
---|
| 1475 | return document.getElementsByClassName(className, element); |
---|
| 1476 | }, |
---|
| 1477 | |
---|
| 1478 | readAttribute: function(element, name) { |
---|
| 1479 | element = $(element); |
---|
| 1480 | if (Prototype.Browser.IE) { |
---|
| 1481 | if (!element.attributes) return null; |
---|
| 1482 | var t = Element._attributeTranslations; |
---|
| 1483 | if (t.values[name]) return t.values[name](element, name); |
---|
| 1484 | if (t.names[name]) name = t.names[name]; |
---|
| 1485 | var attribute = element.attributes[name]; |
---|
| 1486 | return attribute ? attribute.nodeValue : null; |
---|
| 1487 | } |
---|
| 1488 | return element.getAttribute(name); |
---|
| 1489 | }, |
---|
| 1490 | |
---|
| 1491 | getHeight: function(element) { |
---|
| 1492 | return $(element).getDimensions().height; |
---|
| 1493 | }, |
---|
| 1494 | |
---|
| 1495 | getWidth: function(element) { |
---|
| 1496 | return $(element).getDimensions().width; |
---|
| 1497 | }, |
---|
| 1498 | |
---|
| 1499 | classNames: function(element) { |
---|
| 1500 | return new Element.ClassNames(element); |
---|
| 1501 | }, |
---|
| 1502 | |
---|
| 1503 | hasClassName: function(element, className) { |
---|
| 1504 | if (!(element = $(element))) return; |
---|
| 1505 | var elementClassName = element.className; |
---|
| 1506 | if (elementClassName.length == 0) return false; |
---|
| 1507 | if (elementClassName == className || |
---|
| 1508 | elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) |
---|
| 1509 | return true; |
---|
| 1510 | return false; |
---|
| 1511 | }, |
---|
| 1512 | |
---|
| 1513 | addClassName: function(element, className) { |
---|
| 1514 | if (!(element = $(element))) return; |
---|
| 1515 | Element.classNames(element).add(className); |
---|
| 1516 | return element; |
---|
| 1517 | }, |
---|
| 1518 | |
---|
| 1519 | removeClassName: function(element, className) { |
---|
| 1520 | if (!(element = $(element))) return; |
---|
| 1521 | Element.classNames(element).remove(className); |
---|
| 1522 | return element; |
---|
| 1523 | }, |
---|
| 1524 | |
---|
| 1525 | toggleClassName: function(element, className) { |
---|
| 1526 | if (!(element = $(element))) return; |
---|
| 1527 | Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className); |
---|
| 1528 | return element; |
---|
| 1529 | }, |
---|
| 1530 | |
---|
| 1531 | observe: function() { |
---|
| 1532 | Event.observe.apply(Event, arguments); |
---|
| 1533 | return $A(arguments).first(); |
---|
| 1534 | }, |
---|
| 1535 | |
---|
| 1536 | stopObserving: function() { |
---|
| 1537 | Event.stopObserving.apply(Event, arguments); |
---|
| 1538 | return $A(arguments).first(); |
---|
| 1539 | }, |
---|
| 1540 | |
---|
| 1541 | // removes whitespace-only text node children |
---|
| 1542 | cleanWhitespace: function(element) { |
---|
| 1543 | element = $(element); |
---|
| 1544 | var node = element.firstChild; |
---|
| 1545 | while (node) { |
---|
| 1546 | var nextNode = node.nextSibling; |
---|
| 1547 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
---|
| 1548 | element.removeChild(node); |
---|
| 1549 | node = nextNode; |
---|
| 1550 | } |
---|
| 1551 | return element; |
---|
| 1552 | }, |
---|
| 1553 | |
---|
| 1554 | empty: function(element) { |
---|
| 1555 | return $(element).innerHTML.blank(); |
---|
| 1556 | }, |
---|
| 1557 | |
---|
| 1558 | descendantOf: function(element, ancestor) { |
---|
| 1559 | element = $(element), ancestor = $(ancestor); |
---|
| 1560 | while (element = element.parentNode) |
---|
| 1561 | if (element == ancestor) return true; |
---|
| 1562 | return false; |
---|
| 1563 | }, |
---|
| 1564 | |
---|
| 1565 | scrollTo: function(element) { |
---|
| 1566 | element = $(element); |
---|
| 1567 | var pos = Position.cumulativeOffset(element); |
---|
| 1568 | window.scrollTo(pos[0], pos[1]); |
---|
| 1569 | return element; |
---|
| 1570 | }, |
---|
| 1571 | |
---|
| 1572 | getStyle: function(element, style) { |
---|
| 1573 | element = $(element); |
---|
| 1574 | style = style == 'float' ? 'cssFloat' : style.camelize(); |
---|
| 1575 | var value = element.style[style]; |
---|
| 1576 | if (!value) { |
---|
| 1577 | var css = document.defaultView.getComputedStyle(element, null); |
---|
| 1578 | value = css ? css[style] : null; |
---|
| 1579 | } |
---|
| 1580 | if (style == 'opacity') return value ? parseFloat(value) : 1.0; |
---|
| 1581 | return value == 'auto' ? null : value; |
---|
| 1582 | }, |
---|
| 1583 | |
---|
| 1584 | getOpacity: function(element) { |
---|
| 1585 | return $(element).getStyle('opacity'); |
---|
| 1586 | }, |
---|
| 1587 | |
---|
| 1588 | setStyle: function(element, styles, camelized) { |
---|
| 1589 | element = $(element); |
---|
| 1590 | var elementStyle = element.style; |
---|
| 1591 | |
---|
| 1592 | for (var property in styles) |
---|
| 1593 | if (property == 'opacity') element.setOpacity(styles[property]) |
---|
| 1594 | else |
---|
| 1595 | elementStyle[(property == 'float' || property == 'cssFloat') ? |
---|
| 1596 | (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') : |
---|
| 1597 | (camelized ? property : property.camelize())] = styles[property]; |
---|
| 1598 | |
---|
| 1599 | return element; |
---|
| 1600 | }, |
---|
| 1601 | |
---|
| 1602 | setOpacity: function(element, value) { |
---|
| 1603 | element = $(element); |
---|
| 1604 | element.style.opacity = (value == 1 || value === '') ? '' : |
---|
| 1605 | (value < 0.00001) ? 0 : value; |
---|
| 1606 | return element; |
---|
| 1607 | }, |
---|
| 1608 | |
---|
| 1609 | getDimensions: function(element) { |
---|
| 1610 | element = $(element); |
---|
| 1611 | var display = $(element).getStyle('display'); |
---|
| 1612 | if (display != 'none' && display != null) // Safari bug |
---|
| 1613 | return {width: element.offsetWidth, height: element.offsetHeight}; |
---|
| 1614 | |
---|
| 1615 | // All *Width and *Height properties give 0 on elements with display none, |
---|
| 1616 | // so enable the element temporarily |
---|
| 1617 | var els = element.style; |
---|
| 1618 | var originalVisibility = els.visibility; |
---|
| 1619 | var originalPosition = els.position; |
---|
| 1620 | var originalDisplay = els.display; |
---|
| 1621 | els.visibility = 'hidden'; |
---|
| 1622 | els.position = 'absolute'; |
---|
| 1623 | els.display = 'block'; |
---|
| 1624 | var originalWidth = element.clientWidth; |
---|
| 1625 | var originalHeight = element.clientHeight; |
---|
| 1626 | els.display = originalDisplay; |
---|
| 1627 | els.position = originalPosition; |
---|
| 1628 | els.visibility = originalVisibility; |
---|
| 1629 | return {width: originalWidth, height: originalHeight}; |
---|
| 1630 | }, |
---|
| 1631 | |
---|
| 1632 | makePositioned: function(element) { |
---|
| 1633 | element = $(element); |
---|
| 1634 | var pos = Element.getStyle(element, 'position'); |
---|
| 1635 | if (pos == 'static' || !pos) { |
---|
| 1636 | element._madePositioned = true; |
---|
| 1637 | element.style.position = 'relative'; |
---|
| 1638 | // Opera returns the offset relative to the positioning context, when an |
---|
| 1639 | // element is position relative but top and left have not been defined |
---|
| 1640 | if (window.opera) { |
---|
| 1641 | element.style.top = 0; |
---|
| 1642 | element.style.left = 0; |
---|
| 1643 | } |
---|
| 1644 | } |
---|
| 1645 | return element; |
---|
| 1646 | }, |
---|
| 1647 | |
---|
| 1648 | undoPositioned: function(element) { |
---|
| 1649 | element = $(element); |
---|
| 1650 | if (element._madePositioned) { |
---|
| 1651 | element._madePositioned = undefined; |
---|
| 1652 | element.style.position = |
---|
| 1653 | element.style.top = |
---|
| 1654 | element.style.left = |
---|
| 1655 | element.style.bottom = |
---|
| 1656 | element.style.right = ''; |
---|
| 1657 | } |
---|
| 1658 | return element; |
---|
| 1659 | }, |
---|
| 1660 | |
---|
| 1661 | makeClipping: function(element) { |
---|
| 1662 | element = $(element); |
---|
| 1663 | if (element._overflow) return element; |
---|
| 1664 | element._overflow = element.style.overflow || 'auto'; |
---|
| 1665 | if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') |
---|
| 1666 | element.style.overflow = 'hidden'; |
---|
| 1667 | return element; |
---|
| 1668 | }, |
---|
| 1669 | |
---|
| 1670 | undoClipping: function(element) { |
---|
| 1671 | element = $(element); |
---|
| 1672 | if (!element._overflow) return element; |
---|
| 1673 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
---|
| 1674 | element._overflow = null; |
---|
| 1675 | return element; |
---|
| 1676 | } |
---|
| 1677 | }; |
---|
| 1678 | |
---|
| 1679 | Object.extend(Element.Methods, { |
---|
| 1680 | childOf: Element.Methods.descendantOf, |
---|
| 1681 | childElements: Element.Methods.immediateDescendants |
---|
| 1682 | }); |
---|
| 1683 | |
---|
| 1684 | if (Prototype.Browser.Opera) { |
---|
| 1685 | Element.Methods._getStyle = Element.Methods.getStyle; |
---|
| 1686 | Element.Methods.getStyle = function(element, style) { |
---|
| 1687 | switch(style) { |
---|
| 1688 | case 'left': |
---|
| 1689 | case 'top': |
---|
| 1690 | case 'right': |
---|
| 1691 | case 'bottom': |
---|
| 1692 | if (Element._getStyle(element, 'position') == 'static') return null; |
---|
| 1693 | default: return Element._getStyle(element, style); |
---|
| 1694 | } |
---|
| 1695 | }; |
---|
| 1696 | } |
---|
| 1697 | else if (Prototype.Browser.IE) { |
---|
| 1698 | Element.Methods.getStyle = function(element, style) { |
---|
| 1699 | element = $(element); |
---|
| 1700 | style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); |
---|
| 1701 | var value = element.style[style]; |
---|
| 1702 | if (!value && element.currentStyle) value = element.currentStyle[style]; |
---|
| 1703 | |
---|
| 1704 | if (style == 'opacity') { |
---|
| 1705 | if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
---|
| 1706 | if (value[1]) return parseFloat(value[1]) / 100; |
---|
| 1707 | return 1.0; |
---|
| 1708 | } |
---|
| 1709 | |
---|
| 1710 | if (value == 'auto') { |
---|
| 1711 | if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) |
---|
| 1712 | return element['offset'+style.capitalize()] + 'px'; |
---|
| 1713 | return null; |
---|
| 1714 | } |
---|
| 1715 | return value; |
---|
| 1716 | }; |
---|
| 1717 | |
---|
| 1718 | Element.Methods.setOpacity = function(element, value) { |
---|
| 1719 | element = $(element); |
---|
| 1720 | var filter = element.getStyle('filter'), style = element.style; |
---|
| 1721 | if (value == 1 || value === '') { |
---|
| 1722 | style.filter = filter.replace(/alpha\([^\)]*\)/gi,''); |
---|
| 1723 | return element; |
---|
| 1724 | } else if (value < 0.00001) value = 0; |
---|
| 1725 | style.filter = filter.replace(/alpha\([^\)]*\)/gi, '') + |
---|
| 1726 | 'alpha(opacity=' + (value * 100) + ')'; |
---|
| 1727 | return element; |
---|
| 1728 | }; |
---|
| 1729 | |
---|
| 1730 | // IE is missing .innerHTML support for TABLE-related elements |
---|
| 1731 | Element.Methods.update = function(element, html) { |
---|
| 1732 | element = $(element); |
---|
| 1733 | html = typeof html == 'undefined' ? '' : html.toString(); |
---|
| 1734 | var tagName = element.tagName.toUpperCase(); |
---|
| 1735 | if (['THEAD','TBODY','TR','TD'].include(tagName)) { |
---|
| 1736 | var div = document.createElement('div'); |
---|
| 1737 | switch (tagName) { |
---|
| 1738 | case 'THEAD': |
---|
| 1739 | case 'TBODY': |
---|
| 1740 | div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>'; |
---|
| 1741 | depth = 2; |
---|
| 1742 | break; |
---|
| 1743 | case 'TR': |
---|
| 1744 | div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>'; |
---|
| 1745 | depth = 3; |
---|
| 1746 | break; |
---|
| 1747 | case 'TD': |
---|
| 1748 | div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>'; |
---|
| 1749 | depth = 4; |
---|
| 1750 | } |
---|
| 1751 | $A(element.childNodes).each(function(node) { element.removeChild(node) }); |
---|
| 1752 | depth.times(function() { div = div.firstChild }); |
---|
| 1753 | $A(div.childNodes).each(function(node) { element.appendChild(node) }); |
---|
| 1754 | } else { |
---|
| 1755 | element.innerHTML = html.stripScripts(); |
---|
| 1756 | } |
---|
| 1757 | setTimeout(function() { html.evalScripts() }, 10); |
---|
| 1758 | return element; |
---|
| 1759 | } |
---|
| 1760 | } |
---|
| 1761 | else if (Prototype.Browser.Gecko) { |
---|
| 1762 | Element.Methods.setOpacity = function(element, value) { |
---|
| 1763 | element = $(element); |
---|
| 1764 | element.style.opacity = (value == 1) ? 0.999999 : |
---|
| 1765 | (value === '') ? '' : (value < 0.00001) ? 0 : value; |
---|
| 1766 | return element; |
---|
| 1767 | }; |
---|
| 1768 | } |
---|
| 1769 | |
---|
| 1770 | Element._attributeTranslations = { |
---|
| 1771 | names: { |
---|
| 1772 | colspan: "colSpan", |
---|
| 1773 | rowspan: "rowSpan", |
---|
| 1774 | valign: "vAlign", |
---|
| 1775 | datetime: "dateTime", |
---|
| 1776 | accesskey: "accessKey", |
---|
| 1777 | tabindex: "tabIndex", |
---|
| 1778 | enctype: "encType", |
---|
| 1779 | maxlength: "maxLength", |
---|
| 1780 | readonly: "readOnly", |
---|
| 1781 | longdesc: "longDesc" |
---|
| 1782 | }, |
---|
| 1783 | values: { |
---|
| 1784 | _getAttr: function(element, attribute) { |
---|
| 1785 | return element.getAttribute(attribute, 2); |
---|
| 1786 | }, |
---|
| 1787 | _flag: function(element, attribute) { |
---|
| 1788 | return $(element).hasAttribute(attribute) ? attribute : null; |
---|
| 1789 | }, |
---|
| 1790 | style: function(element) { |
---|
| 1791 | return element.style.cssText.toLowerCase(); |
---|
| 1792 | }, |
---|
| 1793 | title: function(element) { |
---|
| 1794 | var node = element.getAttributeNode('title'); |
---|
| 1795 | return node.specified ? node.nodeValue : null; |
---|
| 1796 | } |
---|
| 1797 | } |
---|
| 1798 | }; |
---|
| 1799 | |
---|
| 1800 | (function() { |
---|
| 1801 | Object.extend(this, { |
---|
| 1802 | href: this._getAttr, |
---|
| 1803 | src: this._getAttr, |
---|
| 1804 | type: this._getAttr, |
---|
| 1805 | disabled: this._flag, |
---|
| 1806 | checked: this._flag, |
---|
| 1807 | readonly: this._flag, |
---|
| 1808 | multiple: this._flag |
---|
| 1809 | }); |
---|
| 1810 | }).call(Element._attributeTranslations.values); |
---|
| 1811 | |
---|
| 1812 | Element.Methods.Simulated = { |
---|
| 1813 | hasAttribute: function(element, attribute) { |
---|
| 1814 | var t = Element._attributeTranslations, node; |
---|
| 1815 | attribute = t.names[attribute] || attribute; |
---|
| 1816 | node = $(element).getAttributeNode(attribute); |
---|
| 1817 | return node && node.specified; |
---|
| 1818 | } |
---|
| 1819 | }; |
---|
| 1820 | |
---|
| 1821 | Element.Methods.ByTag = {}; |
---|
| 1822 | |
---|
| 1823 | Object.extend(Element, Element.Methods); |
---|
| 1824 | |
---|
| 1825 | if (!Prototype.BrowserFeatures.ElementExtensions && |
---|
| 1826 | document.createElement('div').__proto__) { |
---|
| 1827 | window.HTMLElement = {}; |
---|
| 1828 | window.HTMLElement.prototype = document.createElement('div').__proto__; |
---|
| 1829 | Prototype.BrowserFeatures.ElementExtensions = true; |
---|
| 1830 | } |
---|
| 1831 | |
---|
| 1832 | Element.hasAttribute = function(element, attribute) { |
---|
| 1833 | if (element.hasAttribute) return element.hasAttribute(attribute); |
---|
| 1834 | return Element.Methods.Simulated.hasAttribute(element, attribute); |
---|
| 1835 | }; |
---|
| 1836 | |
---|
| 1837 | Element.addMethods = function(methods) { |
---|
| 1838 | var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; |
---|
| 1839 | |
---|
| 1840 | if (!methods) { |
---|
| 1841 | Object.extend(Form, Form.Methods); |
---|
| 1842 | Object.extend(Form.Element, Form.Element.Methods); |
---|
| 1843 | Object.extend(Element.Methods.ByTag, { |
---|
| 1844 | "FORM": Object.clone(Form.Methods), |
---|
| 1845 | "INPUT": Object.clone(Form.Element.Methods), |
---|
| 1846 | "SELECT": Object.clone(Form.Element.Methods), |
---|
| 1847 | "TEXTAREA": Object.clone(Form.Element.Methods) |
---|
| 1848 | }); |
---|
| 1849 | } |
---|
| 1850 | |
---|
| 1851 | if (arguments.length == 2) { |
---|
| 1852 | var tagName = methods; |
---|
| 1853 | methods = arguments[1]; |
---|
| 1854 | } |
---|
| 1855 | |
---|
| 1856 | if (!tagName) Object.extend(Element.Methods, methods || {}); |
---|
| 1857 | else { |
---|
| 1858 | if (tagName.constructor == Array) tagName.each(extend); |
---|
| 1859 | else extend(tagName); |
---|
| 1860 | } |
---|
| 1861 | |
---|
| 1862 | function extend(tagName) { |
---|
| 1863 | tagName = tagName.toUpperCase(); |
---|
| 1864 | if (!Element.Methods.ByTag[tagName]) |
---|
| 1865 | Element.Methods.ByTag[tagName] = {}; |
---|
| 1866 | Object.extend(Element.Methods.ByTag[tagName], methods); |
---|
| 1867 | } |
---|
| 1868 | |
---|
| 1869 | function copy(methods, destination, onlyIfAbsent) { |
---|
| 1870 | onlyIfAbsent = onlyIfAbsent || false; |
---|
| 1871 | var cache = Element.extend.cache; |
---|
| 1872 | for (var property in methods) { |
---|
| 1873 | var value = methods[property]; |
---|
| 1874 | if (!onlyIfAbsent || !(property in destination)) |
---|
| 1875 | destination[property] = cache.findOrStore(value); |
---|
| 1876 | } |
---|
| 1877 | } |
---|
| 1878 | |
---|
| 1879 | function findDOMClass(tagName) { |
---|
| 1880 | var klass; |
---|
| 1881 | var trans = { |
---|
| 1882 | "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", |
---|
| 1883 | "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", |
---|
| 1884 | "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", |
---|
| 1885 | "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", |
---|
| 1886 | "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": |
---|
| 1887 | "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": |
---|
| 1888 | "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": |
---|
| 1889 | "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": |
---|
| 1890 | "FrameSet", "IFRAME": "IFrame" |
---|
| 1891 | }; |
---|
| 1892 | if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; |
---|
| 1893 | if (window[klass]) return window[klass]; |
---|
| 1894 | klass = 'HTML' + tagName + 'Element'; |
---|
| 1895 | if (window[klass]) return window[klass]; |
---|
| 1896 | klass = 'HTML' + tagName.capitalize() + 'Element'; |
---|
| 1897 | if (window[klass]) return window[klass]; |
---|
| 1898 | |
---|
| 1899 | window[klass] = {}; |
---|
| 1900 | window[klass].prototype = document.createElement(tagName).__proto__; |
---|
| 1901 | return window[klass]; |
---|
| 1902 | } |
---|
| 1903 | |
---|
| 1904 | if (F.ElementExtensions) { |
---|
| 1905 | copy(Element.Methods, HTMLElement.prototype); |
---|
| 1906 | copy(Element.Methods.Simulated, HTMLElement.prototype, true); |
---|
| 1907 | } |
---|
| 1908 | |
---|
| 1909 | if (F.SpecificElementExtensions) { |
---|
| 1910 | for (var tag in Element.Methods.ByTag) { |
---|
| 1911 | var klass = findDOMClass(tag); |
---|
| 1912 | if (typeof klass == "undefined") continue; |
---|
| 1913 | copy(T[tag], klass.prototype); |
---|
| 1914 | } |
---|
| 1915 | } |
---|
| 1916 | |
---|
| 1917 | Object.extend(Element, Element.Methods); |
---|
| 1918 | delete Element.ByTag; |
---|
| 1919 | }; |
---|
| 1920 | |
---|
| 1921 | var Toggle = { display: Element.toggle }; |
---|
| 1922 | |
---|
| 1923 | /*--------------------------------------------------------------------------*/ |
---|
| 1924 | |
---|
| 1925 | Abstract.Insertion = function(adjacency) { |
---|
| 1926 | this.adjacency = adjacency; |
---|
| 1927 | } |
---|
| 1928 | |
---|
| 1929 | Abstract.Insertion.prototype = { |
---|
| 1930 | initialize: function(element, content) { |
---|
| 1931 | this.element = $(element); |
---|
| 1932 | this.content = content.stripScripts(); |
---|
| 1933 | |
---|
| 1934 | if (this.adjacency && this.element.insertAdjacentHTML) { |
---|
| 1935 | try { |
---|
| 1936 | this.element.insertAdjacentHTML(this.adjacency, this.content); |
---|
| 1937 | } catch (e) { |
---|
| 1938 | var tagName = this.element.tagName.toUpperCase(); |
---|
| 1939 | if (['TBODY', 'TR'].include(tagName)) { |
---|
| 1940 | this.insertContent(this.contentFromAnonymousTable()); |
---|
| 1941 | } else { |
---|
| 1942 | throw e; |
---|
| 1943 | } |
---|
| 1944 | } |
---|
| 1945 | } else { |
---|
| 1946 | this.range = this.element.ownerDocument.createRange(); |
---|
| 1947 | if (this.initializeRange) this.initializeRange(); |
---|
| 1948 | this.insertContent([this.range.createContextualFragment(this.content)]); |
---|
| 1949 | } |
---|
| 1950 | |
---|
| 1951 | setTimeout(function() {content.evalScripts()}, 10); |
---|
| 1952 | }, |
---|
| 1953 | |
---|
| 1954 | contentFromAnonymousTable: function() { |
---|
| 1955 | var div = document.createElement('div'); |
---|
| 1956 | div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; |
---|
| 1957 | return $A(div.childNodes[0].childNodes[0].childNodes); |
---|
| 1958 | } |
---|
| 1959 | } |
---|
| 1960 | |
---|
| 1961 | var Insertion = new Object(); |
---|
| 1962 | |
---|
| 1963 | Insertion.Before = Class.create(); |
---|
| 1964 | Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { |
---|
| 1965 | initializeRange: function() { |
---|
| 1966 | this.range.setStartBefore(this.element); |
---|
| 1967 | }, |
---|
| 1968 | |
---|
| 1969 | insertContent: function(fragments) { |
---|
| 1970 | fragments.each((function(fragment) { |
---|
| 1971 | this.element.parentNode.insertBefore(fragment, this.element); |
---|
| 1972 | }).bind(this)); |
---|
| 1973 | } |
---|
| 1974 | }); |
---|
| 1975 | |
---|
| 1976 | Insertion.Top = Class.create(); |
---|
| 1977 | Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { |
---|
| 1978 | initializeRange: function() { |
---|
| 1979 | this.range.selectNodeContents(this.element); |
---|
| 1980 | this.range.collapse(true); |
---|
| 1981 | }, |
---|
| 1982 | |
---|
| 1983 | insertContent: function(fragments) { |
---|
| 1984 | fragments.reverse(false).each((function(fragment) { |
---|
| 1985 | this.element.insertBefore(fragment, this.element.firstChild); |
---|
| 1986 | }).bind(this)); |
---|
| 1987 | } |
---|
| 1988 | }); |
---|
| 1989 | |
---|
| 1990 | Insertion.Bottom = Class.create(); |
---|
| 1991 | Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { |
---|
| 1992 | initializeRange: function() { |
---|
| 1993 | this.range.selectNodeContents(this.element); |
---|
| 1994 | this.range.collapse(this.element); |
---|
| 1995 | }, |
---|
| 1996 | |
---|
| 1997 | insertContent: function(fragments) { |
---|
| 1998 | fragments.each((function(fragment) { |
---|
| 1999 | this.element.appendChild(fragment); |
---|
| 2000 | }).bind(this)); |
---|
| 2001 | } |
---|
| 2002 | }); |
---|
| 2003 | |
---|
| 2004 | Insertion.After = Class.create(); |
---|
| 2005 | Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { |
---|
| 2006 | initializeRange: function() { |
---|
| 2007 | this.range.setStartAfter(this.element); |
---|
| 2008 | }, |
---|
| 2009 | |
---|
| 2010 | insertContent: function(fragments) { |
---|
| 2011 | fragments.each((function(fragment) { |
---|
| 2012 | this.element.parentNode.insertBefore(fragment, |
---|
| 2013 | this.element.nextSibling); |
---|
| 2014 | }).bind(this)); |
---|
| 2015 | } |
---|
| 2016 | }); |
---|
| 2017 | |
---|
| 2018 | /*--------------------------------------------------------------------------*/ |
---|
| 2019 | |
---|
| 2020 | Element.ClassNames = Class.create(); |
---|
| 2021 | Element.ClassNames.prototype = { |
---|
| 2022 | initialize: function(element) { |
---|
| 2023 | this.element = $(element); |
---|
| 2024 | }, |
---|
| 2025 | |
---|
| 2026 | _each: function(iterator) { |
---|
| 2027 | this.element.className.split(/\s+/).select(function(name) { |
---|
| 2028 | return name.length > 0; |
---|
| 2029 | })._each(iterator); |
---|
| 2030 | }, |
---|
| 2031 | |
---|
| 2032 | set: function(className) { |
---|
| 2033 | this.element.className = className; |
---|
| 2034 | }, |
---|
| 2035 | |
---|
| 2036 | add: function(classNameToAdd) { |
---|
| 2037 | if (this.include(classNameToAdd)) return; |
---|
| 2038 | this.set($A(this).concat(classNameToAdd).join(' ')); |
---|
| 2039 | }, |
---|
| 2040 | |
---|
| 2041 | remove: function(classNameToRemove) { |
---|
| 2042 | if (!this.include(classNameToRemove)) return; |
---|
| 2043 | this.set($A(this).without(classNameToRemove).join(' ')); |
---|
| 2044 | }, |
---|
| 2045 | |
---|
| 2046 | toString: function() { |
---|
| 2047 | return $A(this).join(' '); |
---|
| 2048 | } |
---|
| 2049 | }; |
---|
| 2050 | |
---|
| 2051 | Object.extend(Element.ClassNames.prototype, Enumerable); |
---|
| 2052 | /* Portions of the Selector class are derived from Jack Slocum’s DomQuery, |
---|
| 2053 | * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style |
---|
| 2054 | * license. Please see http://www.yui-ext.com/ for more information. */ |
---|
| 2055 | |
---|
| 2056 | var Selector = Class.create(); |
---|
| 2057 | |
---|
| 2058 | Selector.prototype = { |
---|
| 2059 | initialize: function(expression) { |
---|
| 2060 | this.expression = expression.strip(); |
---|
| 2061 | this.compileMatcher(); |
---|
| 2062 | }, |
---|
| 2063 | |
---|
| 2064 | compileMatcher: function() { |
---|
| 2065 | // Selectors with namespaced attributes can't use the XPath version |
---|
| 2066 | if (Prototype.BrowserFeatures.XPath && !(/\[[\w-]*?:/).test(this.expression)) |
---|
| 2067 | return this.compileXPathMatcher(); |
---|
| 2068 | |
---|
| 2069 | var e = this.expression, ps = Selector.patterns, h = Selector.handlers, |
---|
| 2070 | c = Selector.criteria, le, p, m; |
---|
| 2071 | |
---|
| 2072 | if (Selector._cache[e]) { |
---|
| 2073 | this.matcher = Selector._cache[e]; return; |
---|
| 2074 | } |
---|
| 2075 | this.matcher = ["this.matcher = function(root) {", |
---|
| 2076 | "var r = root, h = Selector.handlers, c = false, n;"]; |
---|
| 2077 | |
---|
| 2078 | while (e && le != e && (/\S/).test(e)) { |
---|
| 2079 | le = e; |
---|
| 2080 | for (var i in ps) { |
---|
| 2081 | p = ps[i]; |
---|
| 2082 | if (m = e.match(p)) { |
---|
| 2083 | this.matcher.push(typeof c[i] == 'function' ? c[i](m) : |
---|
| 2084 | new Template(c[i]).evaluate(m)); |
---|
| 2085 | e = e.replace(m[0], ''); |
---|
| 2086 | break; |
---|
| 2087 | } |
---|
| 2088 | } |
---|
| 2089 | } |
---|
| 2090 | |
---|
| 2091 | this.matcher.push("return h.unique(n);\n}"); |
---|
| 2092 | eval(this.matcher.join('\n')); |
---|
| 2093 | Selector._cache[this.expression] = this.matcher; |
---|
| 2094 | }, |
---|
| 2095 | |
---|
| 2096 | compileXPathMatcher: function() { |
---|
| 2097 | var e = this.expression, ps = Selector.patterns, |
---|
| 2098 | x = Selector.xpath, le, m; |
---|
| 2099 | |
---|
| 2100 | if (Selector._cache[e]) { |
---|
| 2101 | this.xpath = Selector._cache[e]; return; |
---|
| 2102 | } |
---|
| 2103 | |
---|
| 2104 | this.matcher = ['.//*']; |
---|
| 2105 | while (e && le != e && (/\S/).test(e)) { |
---|
| 2106 | le = e; |
---|
| 2107 | for (var i in ps) { |
---|
| 2108 | if (m = e.match(ps[i])) { |
---|
| 2109 | this.matcher.push(typeof x[i] == 'function' ? x[i](m) : |
---|
| 2110 | new Template(x[i]).evaluate(m)); |
---|
| 2111 | e = e.replace(m[0], ''); |
---|
| 2112 | break; |
---|
| 2113 | } |
---|
| 2114 | } |
---|
| 2115 | } |
---|
| 2116 | |
---|
| 2117 | this.xpath = this.matcher.join(''); |
---|
| 2118 | Selector._cache[this.expression] = this.xpath; |
---|
| 2119 | }, |
---|
| 2120 | |
---|
| 2121 | findElements: function(root) { |
---|
| 2122 | root = root || document; |
---|
| 2123 | if (this.xpath) return document._getElementsByXPath(this.xpath, root); |
---|
| 2124 | return this.matcher(root); |
---|
| 2125 | }, |
---|
| 2126 | |
---|
| 2127 | match: function(element) { |
---|
| 2128 | return this.findElements(document).include(element); |
---|
| 2129 | }, |
---|
| 2130 | |
---|
| 2131 | toString: function() { |
---|
| 2132 | return this.expression; |
---|
| 2133 | }, |
---|
| 2134 | |
---|
| 2135 | inspect: function() { |
---|
| 2136 | return "#<Selector:" + this.expression.inspect() + ">"; |
---|
| 2137 | } |
---|
| 2138 | }; |
---|
| 2139 | |
---|
| 2140 | Object.extend(Selector, { |
---|
| 2141 | _cache: {}, |
---|
| 2142 | |
---|
| 2143 | xpath: { |
---|
| 2144 | descendant: "//*", |
---|
| 2145 | child: "/*", |
---|
| 2146 | adjacent: "/following-sibling::*[1]", |
---|
| 2147 | laterSibling: '/following-sibling::*', |
---|
| 2148 | tagName: function(m) { |
---|
| 2149 | if (m[1] == '*') return ''; |
---|
| 2150 | return "[local-name()='" + m[1].toLowerCase() + |
---|
| 2151 | "' or local-name()='" + m[1].toUpperCase() + "']"; |
---|
| 2152 | }, |
---|
| 2153 | className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", |
---|
| 2154 | id: "[@id='#{1}']", |
---|
| 2155 | attrPresence: "[@#{1}]", |
---|
| 2156 | attr: function(m) { |
---|
| 2157 | m[3] = m[5] || m[6]; |
---|
| 2158 | return new Template(Selector.xpath.operators[m[2]]).evaluate(m); |
---|
| 2159 | }, |
---|
| 2160 | pseudo: function(m) { |
---|
| 2161 | var h = Selector.xpath.pseudos[m[1]]; |
---|
| 2162 | if (!h) return ''; |
---|
| 2163 | if (typeof h === 'function') return h(m); |
---|
| 2164 | return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); |
---|
| 2165 | }, |
---|
| 2166 | operators: { |
---|
| 2167 | '=': "[@#{1}='#{3}']", |
---|
| 2168 | '!=': "[@#{1}!='#{3}']", |
---|
| 2169 | '^=': "[starts-with(@#{1}, '#{3}')]", |
---|
| 2170 | '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", |
---|
| 2171 | '*=': "[contains(@#{1}, '#{3}')]", |
---|
| 2172 | '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", |
---|
| 2173 | '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" |
---|
| 2174 | }, |
---|
| 2175 | pseudos: { |
---|
| 2176 | 'first-child': '[not(preceding-sibling::*)]', |
---|
| 2177 | 'last-child': '[not(following-sibling::*)]', |
---|
| 2178 | 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', |
---|
| 2179 | 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", |
---|
| 2180 | 'checked': "[@checked]", |
---|
| 2181 | 'disabled': "[@disabled]", |
---|
| 2182 | 'enabled': "[not(@disabled)]", |
---|
| 2183 | 'not': function(m) { |
---|
| 2184 | var e = m[6], p = Selector.patterns, |
---|
| 2185 | x = Selector.xpath, le, m, v; |
---|
| 2186 | |
---|
| 2187 | var exclusion = []; |
---|
| 2188 | while (e && le != e && (/\S/).test(e)) { |
---|
| 2189 | le = e; |
---|
| 2190 | for (var i in p) { |
---|
| 2191 | if (m = e.match(p[i])) { |
---|
| 2192 | v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m); |
---|
| 2193 | exclusion.push("(" + v.substring(1, v.length - 1) + ")"); |
---|
| 2194 | e = e.replace(m[0], ''); |
---|
| 2195 | break; |
---|
| 2196 | } |
---|
| 2197 | } |
---|
| 2198 | } |
---|
| 2199 | return "[not(" + exclusion.join(" and ") + ")]"; |
---|
| 2200 | }, |
---|
| 2201 | 'nth-child': function(m) { |
---|
| 2202 | return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); |
---|
| 2203 | }, |
---|
| 2204 | 'nth-last-child': function(m) { |
---|
| 2205 | return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); |
---|
| 2206 | }, |
---|
| 2207 | 'nth-of-type': function(m) { |
---|
| 2208 | return Selector.xpath.pseudos.nth("position() ", m); |
---|
| 2209 | }, |
---|
| 2210 | 'nth-last-of-type': function(m) { |
---|
| 2211 | return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); |
---|
| 2212 | }, |
---|
| 2213 | 'first-of-type': function(m) { |
---|
| 2214 | m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); |
---|
| 2215 | }, |
---|
| 2216 | 'last-of-type': function(m) { |
---|
| 2217 | m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); |
---|
| 2218 | }, |
---|
| 2219 | 'only-of-type': function(m) { |
---|
| 2220 | var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); |
---|
| 2221 | }, |
---|
| 2222 | nth: function(fragment, m) { |
---|
| 2223 | var mm, formula = m[6], predicate; |
---|
| 2224 | if (formula == 'even') formula = '2n+0'; |
---|
| 2225 | if (formula == 'odd') formula = '2n+1'; |
---|
| 2226 | if (mm = formula.match(/^(\d+)$/)) // digit only |
---|
| 2227 | return '[' + fragment + "= " + mm[1] + ']'; |
---|
| 2228 | if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
---|
| 2229 | if (mm[1] == "-") mm[1] = -1; |
---|
| 2230 | var a = mm[1] ? Number(mm[1]) : 1; |
---|
| 2231 | var b = mm[2] ? Number(mm[2]) : 0; |
---|
| 2232 | predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + |
---|
| 2233 | "((#{fragment} - #{b}) div #{a} >= 0)]"; |
---|
| 2234 | return new Template(predicate).evaluate({ |
---|
| 2235 | fragment: fragment, a: a, b: b }); |
---|
| 2236 | } |
---|
| 2237 | } |
---|
| 2238 | } |
---|
| 2239 | }, |
---|
| 2240 | |
---|
| 2241 | criteria: { |
---|
| 2242 | tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', |
---|
| 2243 | className: 'n = h.className(n, r, "#{1}", c); c = false;', |
---|
| 2244 | id: 'n = h.id(n, r, "#{1}", c); c = false;', |
---|
| 2245 | attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;', |
---|
| 2246 | attr: function(m) { |
---|
| 2247 | m[3] = (m[5] || m[6]); |
---|
| 2248 | return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m); |
---|
| 2249 | }, |
---|
| 2250 | pseudo: function(m) { |
---|
| 2251 | if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); |
---|
| 2252 | return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); |
---|
| 2253 | }, |
---|
| 2254 | descendant: 'c = "descendant";', |
---|
| 2255 | child: 'c = "child";', |
---|
| 2256 | adjacent: 'c = "adjacent";', |
---|
| 2257 | laterSibling: 'c = "laterSibling";' |
---|
| 2258 | }, |
---|
| 2259 | |
---|
| 2260 | patterns: { |
---|
| 2261 | // combinators must be listed first |
---|
| 2262 | // (and descendant needs to be last combinator) |
---|
| 2263 | laterSibling: /^\s*~\s*/, |
---|
| 2264 | child: /^\s*>\s*/, |
---|
| 2265 | adjacent: /^\s*\+\s*/, |
---|
| 2266 | descendant: /^\s/, |
---|
| 2267 | |
---|
| 2268 | // selectors follow |
---|
| 2269 | tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, |
---|
| 2270 | id: /^#([\w\-\*]+)(\b|$)/, |
---|
| 2271 | className: /^\.([\w\-\*]+)(\b|$)/, |
---|
| 2272 | pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/, |
---|
| 2273 | attrPresence: /^\[([\w]+)\]/, |
---|
| 2274 | attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/ |
---|
| 2275 | }, |
---|
| 2276 | |
---|
| 2277 | handlers: { |
---|
| 2278 | // UTILITY FUNCTIONS |
---|
| 2279 | // joins two collections |
---|
| 2280 | concat: function(a, b) { |
---|
| 2281 | for (var i = 0, node; node = b[i]; i++) |
---|
| 2282 | a.push(node); |
---|
| 2283 | return a; |
---|
| 2284 | }, |
---|
| 2285 | |
---|
| 2286 | // marks an array of nodes for counting |
---|
| 2287 | mark: function(nodes) { |
---|
| 2288 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 2289 | node._counted = true; |
---|
| 2290 | return nodes; |
---|
| 2291 | }, |
---|
| 2292 | |
---|
| 2293 | unmark: function(nodes) { |
---|
| 2294 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 2295 | node._counted = undefined; |
---|
| 2296 | return nodes; |
---|
| 2297 | }, |
---|
| 2298 | |
---|
| 2299 | // mark each child node with its position (for nth calls) |
---|
| 2300 | // "ofType" flag indicates whether we're indexing for nth-of-type |
---|
| 2301 | // rather than nth-child |
---|
| 2302 | index: function(parentNode, reverse, ofType) { |
---|
| 2303 | parentNode._counted = true; |
---|
| 2304 | if (reverse) { |
---|
| 2305 | for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { |
---|
| 2306 | node = nodes[i]; |
---|
| 2307 | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; |
---|
| 2308 | } |
---|
| 2309 | } else { |
---|
| 2310 | for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) |
---|
| 2311 | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; |
---|
| 2312 | } |
---|
| 2313 | }, |
---|
| 2314 | |
---|
| 2315 | // filters out duplicates and extends all nodes |
---|
| 2316 | unique: function(nodes) { |
---|
| 2317 | if (nodes.length == 0) return nodes; |
---|
| 2318 | var results = [], n; |
---|
| 2319 | for (var i = 0, l = nodes.length; i < l; i++) |
---|
| 2320 | if (!(n = nodes[i])._counted) { |
---|
| 2321 | n._counted = true; |
---|
| 2322 | results.push(Element.extend(n)); |
---|
| 2323 | } |
---|
| 2324 | return Selector.handlers.unmark(results); |
---|
| 2325 | }, |
---|
| 2326 | |
---|
| 2327 | // COMBINATOR FUNCTIONS |
---|
| 2328 | descendant: function(nodes) { |
---|
| 2329 | var h = Selector.handlers; |
---|
| 2330 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 2331 | h.concat(results, node.getElementsByTagName('*')); |
---|
| 2332 | return results; |
---|
| 2333 | }, |
---|
| 2334 | |
---|
| 2335 | child: function(nodes) { |
---|
| 2336 | var h = Selector.handlers; |
---|
| 2337 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 2338 | for (var j = 0, children = [], child; child = node.childNodes[j]; j++) |
---|
| 2339 | if (child.nodeType == 1 && child.tagName != '!') results.push(child); |
---|
| 2340 | } |
---|
| 2341 | return results; |
---|
| 2342 | }, |
---|
| 2343 | |
---|
| 2344 | adjacent: function(nodes) { |
---|
| 2345 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 2346 | var next = this.nextElementSibling(node); |
---|
| 2347 | if (next) results.push(next); |
---|
| 2348 | } |
---|
| 2349 | return results; |
---|
| 2350 | }, |
---|
| 2351 | |
---|
| 2352 | laterSibling: function(nodes) { |
---|
| 2353 | var h = Selector.handlers; |
---|
| 2354 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 2355 | h.concat(results, Element.nextSiblings(node)); |
---|
| 2356 | return results; |
---|
| 2357 | }, |
---|
| 2358 | |
---|
| 2359 | nextElementSibling: function(node) { |
---|
| 2360 | while (node = node.nextSibling) |
---|
| 2361 | if (node.nodeType == 1) return node; |
---|
| 2362 | return null; |
---|
| 2363 | }, |
---|
| 2364 | |
---|
| 2365 | previousElementSibling: function(node) { |
---|
| 2366 | while (node = node.previousSibling) |
---|
| 2367 | if (node.nodeType == 1) return node; |
---|
| 2368 | return null; |
---|
| 2369 | }, |
---|
| 2370 | |
---|
| 2371 | // TOKEN FUNCTIONS |
---|
| 2372 | tagName: function(nodes, root, tagName, combinator) { |
---|
| 2373 | tagName = tagName.toUpperCase(); |
---|
| 2374 | var results = [], h = Selector.handlers; |
---|
| 2375 | if (nodes) { |
---|
| 2376 | if (combinator) { |
---|
| 2377 | // fastlane for ordinary descendant combinators |
---|
| 2378 | if (combinator == "descendant") { |
---|
| 2379 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 2380 | h.concat(results, node.getElementsByTagName(tagName)); |
---|
| 2381 | return results; |
---|
| 2382 | } else nodes = this[combinator](nodes); |
---|
| 2383 | if (tagName == "*") return nodes; |
---|
| 2384 | } |
---|
| 2385 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 2386 | if (node.tagName.toUpperCase() == tagName) results.push(node); |
---|
| 2387 | return results; |
---|
| 2388 | } else return root.getElementsByTagName(tagName); |
---|
| 2389 | }, |
---|
| 2390 | |
---|
| 2391 | id: function(nodes, root, id, combinator) { |
---|
| 2392 | var targetNode = $(id), h = Selector.handlers; |
---|
| 2393 | if (!nodes && root == document) return targetNode ? [targetNode] : []; |
---|
| 2394 | if (nodes) { |
---|
| 2395 | if (combinator) { |
---|
| 2396 | if (combinator == 'child') { |
---|
| 2397 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 2398 | if (targetNode.parentNode == node) return [targetNode]; |
---|
| 2399 | } else if (combinator == 'descendant') { |
---|
| 2400 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 2401 | if (Element.descendantOf(targetNode, node)) return [targetNode]; |
---|
| 2402 | } else if (combinator == 'adjacent') { |
---|
| 2403 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 2404 | if (Selector.handlers.previousElementSibling(targetNode) == node) |
---|
| 2405 | return [targetNode]; |
---|
| 2406 | } else nodes = h[combinator](nodes); |
---|
| 2407 | } |
---|
| 2408 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 2409 | if (node == targetNode) return [targetNode]; |
---|
| 2410 | return []; |
---|
| 2411 | } |
---|
| 2412 | return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; |
---|
| 2413 | }, |
---|
| 2414 | |
---|
| 2415 | className: function(nodes, root, className, combinator) { |
---|
| 2416 | if (nodes && combinator) nodes = this[combinator](nodes); |
---|
| 2417 | return Selector.handlers.byClassName(nodes, root, className); |
---|
| 2418 | }, |
---|
| 2419 | |
---|
| 2420 | byClassName: function(nodes, root, className) { |
---|
| 2421 | if (!nodes) nodes = Selector.handlers.descendant([root]); |
---|
| 2422 | var needle = ' ' + className + ' '; |
---|
| 2423 | for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { |
---|
| 2424 | nodeClassName = node.className; |
---|
| 2425 | if (nodeClassName.length == 0) continue; |
---|
| 2426 | if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) |
---|
| 2427 | results.push(node); |
---|
| 2428 | } |
---|
| 2429 | return results; |
---|
| 2430 | }, |
---|
| 2431 | |
---|
| 2432 | attrPresence: function(nodes, root, attr) { |
---|
| 2433 | var results = []; |
---|
| 2434 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 2435 | if (Element.hasAttribute(node, attr)) results.push(node); |
---|
| 2436 | return results; |
---|
| 2437 | }, |
---|
| 2438 | |
---|
| 2439 | attr: function(nodes, root, attr, value, operator) { |
---|
| 2440 | if (!nodes) nodes = root.getElementsByTagName("*"); |
---|
| 2441 | var handler = Selector.operators[operator], results = []; |
---|
| 2442 | for (var i = 0, node; node = nodes[i]; i++) { |
---|
| 2443 | var nodeValue = Element.readAttribute(node, attr); |
---|
| 2444 | if (nodeValue === null) continue; |
---|
| 2445 | if (handler(nodeValue, value)) results.push(node); |
---|
| 2446 | } |
---|
| 2447 | return results; |
---|
| 2448 | }, |
---|
| 2449 | |
---|
| 2450 | pseudo: function(nodes, name, value, root, combinator) { |
---|
| 2451 | if (nodes && combinator) nodes = this[combinator](nodes); |
---|
| 2452 | if (!nodes) nodes = root.getElementsByTagName("*"); |
---|
| 2453 | return Selector.pseudos[name](nodes, value, root); |
---|
| 2454 | } |
---|
| 2455 | }, |
---|
| 2456 | |
---|
| 2457 | pseudos: { |
---|
| 2458 | 'first-child': function(nodes, value, root) { |
---|
| 2459 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 2460 | if (Selector.handlers.previousElementSibling(node)) continue; |
---|
| 2461 | results.push(node); |
---|
| 2462 | } |
---|
| 2463 | return results; |
---|
| 2464 | }, |
---|
| 2465 | 'last-child': function(nodes, value, root) { |
---|
| 2466 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 2467 | if (Selector.handlers.nextElementSibling(node)) continue; |
---|
| 2468 | results.push(node); |
---|
| 2469 | } |
---|
| 2470 | return results; |
---|
| 2471 | }, |
---|
| 2472 | 'only-child': function(nodes, value, root) { |
---|
| 2473 | var h = Selector.handlers; |
---|
| 2474 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 2475 | if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) |
---|
| 2476 | results.push(node); |
---|
| 2477 | return results; |
---|
| 2478 | }, |
---|
| 2479 | 'nth-child': function(nodes, formula, root) { |
---|
| 2480 | return Selector.pseudos.nth(nodes, formula, root); |
---|
| 2481 | }, |
---|
| 2482 | 'nth-last-child': function(nodes, formula, root) { |
---|
| 2483 | return Selector.pseudos.nth(nodes, formula, root, true); |
---|
| 2484 | }, |
---|
| 2485 | 'nth-of-type': function(nodes, formula, root) { |
---|
| 2486 | return Selector.pseudos.nth(nodes, formula, root, false, true); |
---|
| 2487 | }, |
---|
| 2488 | 'nth-last-of-type': function(nodes, formula, root) { |
---|
| 2489 | return Selector.pseudos.nth(nodes, formula, root, true, true); |
---|
| 2490 | }, |
---|
| 2491 | 'first-of-type': function(nodes, formula, root) { |
---|
| 2492 | return Selector.pseudos.nth(nodes, "1", root, false, true); |
---|
| 2493 | }, |
---|
| 2494 | 'last-of-type': function(nodes, formula, root) { |
---|
| 2495 | return Selector.pseudos.nth(nodes, "1", root, true, true); |
---|
| 2496 | }, |
---|
| 2497 | 'only-of-type': function(nodes, formula, root) { |
---|
| 2498 | var p = Selector.pseudos; |
---|
| 2499 | return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); |
---|
| 2500 | }, |
---|
| 2501 | |
---|
| 2502 | // handles the an+b logic |
---|
| 2503 | getIndices: function(a, b, total) { |
---|
| 2504 | if (a == 0) return b > 0 ? [b] : []; |
---|
| 2505 | return $R(1, total).inject([], function(memo, i) { |
---|
| 2506 | if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); |
---|
| 2507 | return memo; |
---|
| 2508 | }); |
---|
| 2509 | }, |
---|
| 2510 | |
---|
| 2511 | // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type |
---|
| 2512 | nth: function(nodes, formula, root, reverse, ofType) { |
---|
| 2513 | if (nodes.length == 0) return []; |
---|
| 2514 | if (formula == 'even') formula = '2n+0'; |
---|
| 2515 | if (formula == 'odd') formula = '2n+1'; |
---|
| 2516 | var h = Selector.handlers, results = [], indexed = [], m; |
---|
| 2517 | h.mark(nodes); |
---|
| 2518 | for (var i = 0, node; node = nodes[i]; i++) { |
---|
| 2519 | if (!node.parentNode._counted) { |
---|
| 2520 | h.index(node.parentNode, reverse, ofType); |
---|
| 2521 | indexed.push(node.parentNode); |
---|
| 2522 | } |
---|
| 2523 | } |
---|
| 2524 | if (formula.match(/^\d+$/)) { // just a number |
---|
| 2525 | formula = Number(formula); |
---|
| 2526 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 2527 | if (node.nodeIndex == formula) results.push(node); |
---|
| 2528 | } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
---|
| 2529 | if (m[1] == "-") m[1] = -1; |
---|
| 2530 | var a = m[1] ? Number(m[1]) : 1; |
---|
| 2531 | var b = m[2] ? Number(m[2]) : 0; |
---|
| 2532 | var indices = Selector.pseudos.getIndices(a, b, nodes.length); |
---|
| 2533 | for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { |
---|
| 2534 | for (var j = 0; j < l; j++) |
---|
| 2535 | if (node.nodeIndex == indices[j]) results.push(node); |
---|
| 2536 | } |
---|
| 2537 | } |
---|
| 2538 | h.unmark(nodes); |
---|
| 2539 | h.unmark(indexed); |
---|
| 2540 | return results; |
---|
| 2541 | }, |
---|
| 2542 | |
---|
| 2543 | 'empty': function(nodes, value, root) { |
---|
| 2544 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 2545 | // IE treats comments as element nodes |
---|
| 2546 | if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; |
---|
| 2547 | results.push(node); |
---|
| 2548 | } |
---|
| 2549 | return results; |
---|
| 2550 | }, |
---|
| 2551 | |
---|
| 2552 | 'not': function(nodes, selector, root) { |
---|
| 2553 | var h = Selector.handlers, selectorType, m; |
---|
| 2554 | var exclusions = new Selector(selector).findElements(root); |
---|
| 2555 | h.mark(exclusions); |
---|
| 2556 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 2557 | if (!node._counted) results.push(node); |
---|
| 2558 | h.unmark(exclusions); |
---|
| 2559 | return results; |
---|
| 2560 | }, |
---|
| 2561 | |
---|
| 2562 | 'enabled': function(nodes, value, root) { |
---|
| 2563 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 2564 | if (!node.disabled) results.push(node); |
---|
| 2565 | return results; |
---|
| 2566 | }, |
---|
| 2567 | |
---|
| 2568 | 'disabled': function(nodes, value, root) { |
---|
| 2569 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 2570 | if (node.disabled) results.push(node); |
---|
| 2571 | return results; |
---|
| 2572 | }, |
---|
| 2573 | |
---|
| 2574 | 'checked': function(nodes, value, root) { |
---|
| 2575 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 2576 | if (node.checked) results.push(node); |
---|
| 2577 | return results; |
---|
| 2578 | } |
---|
| 2579 | }, |
---|
| 2580 | |
---|
| 2581 | operators: { |
---|
| 2582 | '=': function(nv, v) { return nv == v; }, |
---|
| 2583 | '!=': function(nv, v) { return nv != v; }, |
---|
| 2584 | '^=': function(nv, v) { return nv.startsWith(v); }, |
---|
| 2585 | '$=': function(nv, v) { return nv.endsWith(v); }, |
---|
| 2586 | '*=': function(nv, v) { return nv.include(v); }, |
---|
| 2587 | '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, |
---|
| 2588 | '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } |
---|
| 2589 | }, |
---|
| 2590 | |
---|
| 2591 | matchElements: function(elements, expression) { |
---|
| 2592 | var matches = new Selector(expression).findElements(), h = Selector.handlers; |
---|
| 2593 | h.mark(matches); |
---|
| 2594 | for (var i = 0, results = [], element; element = elements[i]; i++) |
---|
| 2595 | if (element._counted) results.push(element); |
---|
| 2596 | h.unmark(matches); |
---|
| 2597 | return results; |
---|
| 2598 | }, |
---|
| 2599 | |
---|
| 2600 | findElement: function(elements, expression, index) { |
---|
| 2601 | if (typeof expression == 'number') { |
---|
| 2602 | index = expression; expression = false; |
---|
| 2603 | } |
---|
| 2604 | return Selector.matchElements(elements, expression || '*')[index || 0]; |
---|
| 2605 | }, |
---|
| 2606 | |
---|
| 2607 | findChildElements: function(element, expressions) { |
---|
| 2608 | var exprs = expressions.join(','), expressions = []; |
---|
| 2609 | exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { |
---|
| 2610 | expressions.push(m[1].strip()); |
---|
| 2611 | }); |
---|
| 2612 | var results = [], h = Selector.handlers; |
---|
| 2613 | for (var i = 0, l = expressions.length, selector; i < l; i++) { |
---|
| 2614 | selector = new Selector(expressions[i].strip()); |
---|
| 2615 | h.concat(results, selector.findElements(element)); |
---|
| 2616 | } |
---|
| 2617 | return (l > 1) ? h.unique(results) : results; |
---|
| 2618 | } |
---|
| 2619 | }); |
---|
| 2620 | |
---|
| 2621 | function $$() { |
---|
| 2622 | return Selector.findChildElements(document, $A(arguments)); |
---|
| 2623 | } |
---|
| 2624 | var Form = { |
---|
| 2625 | reset: function(form) { |
---|
| 2626 | $(form).reset(); |
---|
| 2627 | return form; |
---|
| 2628 | }, |
---|
| 2629 | |
---|
| 2630 | serializeElements: function(elements, getHash) { |
---|
| 2631 | var data = elements.inject({}, function(result, element) { |
---|
| 2632 | if (!element.disabled && element.name) { |
---|
| 2633 | var key = element.name, value = $(element).getValue(); |
---|
| 2634 | if (value != null) { |
---|
| 2635 | if (key in result) { |
---|
| 2636 | if (result[key].constructor != Array) result[key] = [result[key]]; |
---|
| 2637 | result[key].push(value); |
---|
| 2638 | } |
---|
| 2639 | else result[key] = value; |
---|
| 2640 | } |
---|
| 2641 | } |
---|
| 2642 | return result; |
---|
| 2643 | }); |
---|
| 2644 | |
---|
| 2645 | return getHash ? data : Hash.toQueryString(data); |
---|
| 2646 | } |
---|
| 2647 | }; |
---|
| 2648 | |
---|
| 2649 | Form.Methods = { |
---|
| 2650 | serialize: function(form, getHash) { |
---|
| 2651 | return Form.serializeElements(Form.getElements(form), getHash); |
---|
| 2652 | }, |
---|
| 2653 | |
---|
| 2654 | getElements: function(form) { |
---|
| 2655 | return $A($(form).getElementsByTagName('*')).inject([], |
---|
| 2656 | function(elements, child) { |
---|
| 2657 | if (Form.Element.Serializers[child.tagName.toLowerCase()]) |
---|
| 2658 | elements.push(Element.extend(child)); |
---|
| 2659 | return elements; |
---|
| 2660 | } |
---|
| 2661 | ); |
---|
| 2662 | }, |
---|
| 2663 | |
---|
| 2664 | getInputs: function(form, typeName, name) { |
---|
| 2665 | form = $(form); |
---|
| 2666 | var inputs = form.getElementsByTagName('input'); |
---|
| 2667 | |
---|
| 2668 | if (!typeName && !name) return $A(inputs).map(Element.extend); |
---|
| 2669 | |
---|
| 2670 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
---|
| 2671 | var input = inputs[i]; |
---|
| 2672 | if ((typeName && input.type != typeName) || (name && input.name != name)) |
---|
| 2673 | continue; |
---|
| 2674 | matchingInputs.push(Element.extend(input)); |
---|
| 2675 | } |
---|
| 2676 | |
---|
| 2677 | return matchingInputs; |
---|
| 2678 | }, |
---|
| 2679 | |
---|
| 2680 | disable: function(form) { |
---|
| 2681 | form = $(form); |
---|
| 2682 | Form.getElements(form).invoke('disable'); |
---|
| 2683 | return form; |
---|
| 2684 | }, |
---|
| 2685 | |
---|
| 2686 | enable: function(form) { |
---|
| 2687 | form = $(form); |
---|
| 2688 | Form.getElements(form).invoke('enable'); |
---|
| 2689 | return form; |
---|
| 2690 | }, |
---|
| 2691 | |
---|
| 2692 | findFirstElement: function(form) { |
---|
| 2693 | return $(form).getElements().find(function(element) { |
---|
| 2694 | return element.type != 'hidden' && !element.disabled && |
---|
| 2695 | ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
---|
| 2696 | }); |
---|
| 2697 | }, |
---|
| 2698 | |
---|
| 2699 | focusFirstElement: function(form) { |
---|
| 2700 | form = $(form); |
---|
| 2701 | form.findFirstElement().activate(); |
---|
| 2702 | return form; |
---|
| 2703 | }, |
---|
| 2704 | |
---|
| 2705 | request: function(form, options) { |
---|
| 2706 | form = $(form), options = Object.clone(options || {}); |
---|
| 2707 | |
---|
| 2708 | var params = options.parameters; |
---|
| 2709 | options.parameters = form.serialize(true); |
---|
| 2710 | |
---|
| 2711 | if (params) { |
---|
| 2712 | if (typeof params == 'string') params = params.toQueryParams(); |
---|
| 2713 | Object.extend(options.parameters, params); |
---|
| 2714 | } |
---|
| 2715 | |
---|
| 2716 | if (form.hasAttribute('method') && !options.method) |
---|
| 2717 | options.method = form.method; |
---|
| 2718 | |
---|
| 2719 | return new Ajax.Request(form.readAttribute('action'), options); |
---|
| 2720 | } |
---|
| 2721 | } |
---|
| 2722 | |
---|
| 2723 | /*--------------------------------------------------------------------------*/ |
---|
| 2724 | |
---|
| 2725 | Form.Element = { |
---|
| 2726 | focus: function(element) { |
---|
| 2727 | $(element).focus(); |
---|
| 2728 | return element; |
---|
| 2729 | }, |
---|
| 2730 | |
---|
| 2731 | select: function(element) { |
---|
| 2732 | $(element).select(); |
---|
| 2733 | return element; |
---|
| 2734 | } |
---|
| 2735 | } |
---|
| 2736 | |
---|
| 2737 | Form.Element.Methods = { |
---|
| 2738 | serialize: function(element) { |
---|
| 2739 | element = $(element); |
---|
| 2740 | if (!element.disabled && element.name) { |
---|
| 2741 | var value = element.getValue(); |
---|
| 2742 | if (value != undefined) { |
---|
| 2743 | var pair = {}; |
---|
| 2744 | pair[element.name] = value; |
---|
| 2745 | return Hash.toQueryString(pair); |
---|
| 2746 | } |
---|
| 2747 | } |
---|
| 2748 | return ''; |
---|
| 2749 | }, |
---|
| 2750 | |
---|
| 2751 | getValue: function(element) { |
---|
| 2752 | element = $(element); |
---|
| 2753 | var method = element.tagName.toLowerCase(); |
---|
| 2754 | return Form.Element.Serializers[method](element); |
---|
| 2755 | }, |
---|
| 2756 | |
---|
| 2757 | clear: function(element) { |
---|
| 2758 | $(element).value = ''; |
---|
| 2759 | return element; |
---|
| 2760 | }, |
---|
| 2761 | |
---|
| 2762 | present: function(element) { |
---|
| 2763 | return $(element).value != ''; |
---|
| 2764 | }, |
---|
| 2765 | |
---|
| 2766 | activate: function(element) { |
---|
| 2767 | element = $(element); |
---|
| 2768 | try { |
---|
| 2769 | element.focus(); |
---|
| 2770 | if (element.select && (element.tagName.toLowerCase() != 'input' || |
---|
| 2771 | !['button', 'reset', 'submit'].include(element.type))) |
---|
| 2772 | element.select(); |
---|
| 2773 | } catch (e) {} |
---|
| 2774 | return element; |
---|
| 2775 | }, |
---|
| 2776 | |
---|
| 2777 | disable: function(element) { |
---|
| 2778 | element = $(element); |
---|
| 2779 | element.blur(); |
---|
| 2780 | element.disabled = true; |
---|
| 2781 | return element; |
---|
| 2782 | }, |
---|
| 2783 | |
---|
| 2784 | enable: function(element) { |
---|
| 2785 | element = $(element); |
---|
| 2786 | element.disabled = false; |
---|
| 2787 | return element; |
---|
| 2788 | } |
---|
| 2789 | } |
---|
| 2790 | |
---|
| 2791 | /*--------------------------------------------------------------------------*/ |
---|
| 2792 | |
---|
| 2793 | var Field = Form.Element; |
---|
| 2794 | var $F = Form.Element.Methods.getValue; |
---|
| 2795 | |
---|
| 2796 | /*--------------------------------------------------------------------------*/ |
---|
| 2797 | |
---|
| 2798 | Form.Element.Serializers = { |
---|
| 2799 | input: function(element) { |
---|
| 2800 | switch (element.type.toLowerCase()) { |
---|
| 2801 | case 'checkbox': |
---|
| 2802 | case 'radio': |
---|
| 2803 | return Form.Element.Serializers.inputSelector(element); |
---|
| 2804 | default: |
---|
| 2805 | return Form.Element.Serializers.textarea(element); |
---|
| 2806 | } |
---|
| 2807 | }, |
---|
| 2808 | |
---|
| 2809 | inputSelector: function(element) { |
---|
| 2810 | return element.checked ? element.value : null; |
---|
| 2811 | }, |
---|
| 2812 | |
---|
| 2813 | textarea: function(element) { |
---|
| 2814 | return element.value; |
---|
| 2815 | }, |
---|
| 2816 | |
---|
| 2817 | select: function(element) { |
---|
| 2818 | return this[element.type == 'select-one' ? |
---|
| 2819 | 'selectOne' : 'selectMany'](element); |
---|
| 2820 | }, |
---|
| 2821 | |
---|
| 2822 | selectOne: function(element) { |
---|
| 2823 | var index = element.selectedIndex; |
---|
| 2824 | return index >= 0 ? this.optionValue(element.options[index]) : null; |
---|
| 2825 | }, |
---|
| 2826 | |
---|
| 2827 | selectMany: function(element) { |
---|
| 2828 | var values, length = element.length; |
---|
| 2829 | if (!length) return null; |
---|
| 2830 | |
---|
| 2831 | for (var i = 0, values = []; i < length; i++) { |
---|
| 2832 | var opt = element.options[i]; |
---|
| 2833 | if (opt.selected) values.push(this.optionValue(opt)); |
---|
| 2834 | } |
---|
| 2835 | return values; |
---|
| 2836 | }, |
---|
| 2837 | |
---|
| 2838 | optionValue: function(opt) { |
---|
| 2839 | // extend element because hasAttribute may not be native |
---|
| 2840 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; |
---|
| 2841 | } |
---|
| 2842 | } |
---|
| 2843 | |
---|
| 2844 | /*--------------------------------------------------------------------------*/ |
---|
| 2845 | |
---|
| 2846 | Abstract.TimedObserver = function() {} |
---|
| 2847 | Abstract.TimedObserver.prototype = { |
---|
| 2848 | initialize: function(element, frequency, callback) { |
---|
| 2849 | this.frequency = frequency; |
---|
| 2850 | this.element = $(element); |
---|
| 2851 | this.callback = callback; |
---|
| 2852 | |
---|
| 2853 | this.lastValue = this.getValue(); |
---|
| 2854 | this.registerCallback(); |
---|
| 2855 | }, |
---|
| 2856 | |
---|
| 2857 | registerCallback: function() { |
---|
| 2858 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
---|
| 2859 | }, |
---|
| 2860 | |
---|
| 2861 | onTimerEvent: function() { |
---|
| 2862 | var value = this.getValue(); |
---|
| 2863 | var changed = ('string' == typeof this.lastValue && 'string' == typeof value |
---|
| 2864 | ? this.lastValue != value : String(this.lastValue) != String(value)); |
---|
| 2865 | if (changed) { |
---|
| 2866 | this.callback(this.element, value); |
---|
| 2867 | this.lastValue = value; |
---|
| 2868 | } |
---|
| 2869 | } |
---|
| 2870 | } |
---|
| 2871 | |
---|
| 2872 | Form.Element.Observer = Class.create(); |
---|
| 2873 | Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
---|
| 2874 | getValue: function() { |
---|
| 2875 | return Form.Element.getValue(this.element); |
---|
| 2876 | } |
---|
| 2877 | }); |
---|
| 2878 | |
---|
| 2879 | Form.Observer = Class.create(); |
---|
| 2880 | Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
---|
| 2881 | getValue: function() { |
---|
| 2882 | return Form.serialize(this.element); |
---|
| 2883 | } |
---|
| 2884 | }); |
---|
| 2885 | |
---|
| 2886 | /*--------------------------------------------------------------------------*/ |
---|
| 2887 | |
---|
| 2888 | Abstract.EventObserver = function() {} |
---|
| 2889 | Abstract.EventObserver.prototype = { |
---|
| 2890 | initialize: function(element, callback) { |
---|
| 2891 | this.element = $(element); |
---|
| 2892 | this.callback = callback; |
---|
| 2893 | |
---|
| 2894 | this.lastValue = this.getValue(); |
---|
| 2895 | if (this.element.tagName.toLowerCase() == 'form') |
---|
| 2896 | this.registerFormCallbacks(); |
---|
| 2897 | else |
---|
| 2898 | this.registerCallback(this.element); |
---|
| 2899 | }, |
---|
| 2900 | |
---|
| 2901 | onElementEvent: function() { |
---|
| 2902 | var value = this.getValue(); |
---|
| 2903 | if (this.lastValue != value) { |
---|
| 2904 | this.callback(this.element, value); |
---|
| 2905 | this.lastValue = value; |
---|
| 2906 | } |
---|
| 2907 | }, |
---|
| 2908 | |
---|
| 2909 | registerFormCallbacks: function() { |
---|
| 2910 | Form.getElements(this.element).each(this.registerCallback.bind(this)); |
---|
| 2911 | }, |
---|
| 2912 | |
---|
| 2913 | registerCallback: function(element) { |
---|
| 2914 | if (element.type) { |
---|
| 2915 | switch (element.type.toLowerCase()) { |
---|
| 2916 | case 'checkbox': |
---|
| 2917 | case 'radio': |
---|
| 2918 | Event.observe(element, 'click', this.onElementEvent.bind(this)); |
---|
| 2919 | break; |
---|
| 2920 | default: |
---|
| 2921 | Event.observe(element, 'change', this.onElementEvent.bind(this)); |
---|
| 2922 | break; |
---|
| 2923 | } |
---|
| 2924 | } |
---|
| 2925 | } |
---|
| 2926 | } |
---|
| 2927 | |
---|
| 2928 | Form.Element.EventObserver = Class.create(); |
---|
| 2929 | Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
---|
| 2930 | getValue: function() { |
---|
| 2931 | return Form.Element.getValue(this.element); |
---|
| 2932 | } |
---|
| 2933 | }); |
---|
| 2934 | |
---|
| 2935 | Form.EventObserver = Class.create(); |
---|
| 2936 | Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
---|
| 2937 | getValue: function() { |
---|
| 2938 | return Form.serialize(this.element); |
---|
| 2939 | } |
---|
| 2940 | }); |
---|
| 2941 | if (!window.Event) { |
---|
| 2942 | var Event = new Object(); |
---|
| 2943 | } |
---|
| 2944 | |
---|
| 2945 | Object.extend(Event, { |
---|
| 2946 | KEY_BACKSPACE: 8, |
---|
| 2947 | KEY_TAB: 9, |
---|
| 2948 | KEY_RETURN: 13, |
---|
| 2949 | KEY_ESC: 27, |
---|
| 2950 | KEY_LEFT: 37, |
---|
| 2951 | KEY_UP: 38, |
---|
| 2952 | KEY_RIGHT: 39, |
---|
| 2953 | KEY_DOWN: 40, |
---|
| 2954 | KEY_DELETE: 46, |
---|
| 2955 | KEY_HOME: 36, |
---|
| 2956 | KEY_END: 35, |
---|
| 2957 | KEY_PAGEUP: 33, |
---|
| 2958 | KEY_PAGEDOWN: 34, |
---|
| 2959 | |
---|
| 2960 | element: function(event) { |
---|
| 2961 | return $(event.target || event.srcElement); |
---|
| 2962 | }, |
---|
| 2963 | |
---|
| 2964 | isLeftClick: function(event) { |
---|
| 2965 | return (((event.which) && (event.which == 1)) || |
---|
| 2966 | ((event.button) && (event.button == 1))); |
---|
| 2967 | }, |
---|
| 2968 | |
---|
| 2969 | pointerX: function(event) { |
---|
| 2970 | return event.pageX || (event.clientX + |
---|
| 2971 | (document.documentElement.scrollLeft || document.body.scrollLeft)); |
---|
| 2972 | }, |
---|
| 2973 | |
---|
| 2974 | pointerY: function(event) { |
---|
| 2975 | return event.pageY || (event.clientY + |
---|
| 2976 | (document.documentElement.scrollTop || document.body.scrollTop)); |
---|
| 2977 | }, |
---|
| 2978 | |
---|
| 2979 | stop: function(event) { |
---|
| 2980 | if (event.preventDefault) { |
---|
| 2981 | event.preventDefault(); |
---|
| 2982 | event.stopPropagation(); |
---|
| 2983 | } else { |
---|
| 2984 | event.returnValue = false; |
---|
| 2985 | event.cancelBubble = true; |
---|
| 2986 | } |
---|
| 2987 | }, |
---|
| 2988 | |
---|
| 2989 | // find the first node with the given tagName, starting from the |
---|
| 2990 | // node the event was triggered on; traverses the DOM upwards |
---|
| 2991 | findElement: function(event, tagName) { |
---|
| 2992 | var element = Event.element(event); |
---|
| 2993 | while (element.parentNode && (!element.tagName || |
---|
| 2994 | (element.tagName.toUpperCase() != tagName.toUpperCase()))) |
---|
| 2995 | element = element.parentNode; |
---|
| 2996 | return element; |
---|
| 2997 | }, |
---|
| 2998 | |
---|
| 2999 | observers: false, |
---|
| 3000 | |
---|
| 3001 | _observeAndCache: function(element, name, observer, useCapture) { |
---|
| 3002 | if (!this.observers) this.observers = []; |
---|
| 3003 | if (element.addEventListener) { |
---|
| 3004 | this.observers.push([element, name, observer, useCapture]); |
---|
| 3005 | element.addEventListener(name, observer, useCapture); |
---|
| 3006 | } else if (element.attachEvent) { |
---|
| 3007 | this.observers.push([element, name, observer, useCapture]); |
---|
| 3008 | element.attachEvent('on' + name, observer); |
---|
| 3009 | } |
---|
| 3010 | }, |
---|
| 3011 | |
---|
| 3012 | unloadCache: function() { |
---|
| 3013 | if (!Event.observers) return; |
---|
| 3014 | for (var i = 0, length = Event.observers.length; i < length; i++) { |
---|
| 3015 | Event.stopObserving.apply(this, Event.observers[i]); |
---|
| 3016 | Event.observers[i][0] = null; |
---|
| 3017 | } |
---|
| 3018 | Event.observers = false; |
---|
| 3019 | }, |
---|
| 3020 | |
---|
| 3021 | observe: function(element, name, observer, useCapture) { |
---|
| 3022 | element = $(element); |
---|
| 3023 | useCapture = useCapture || false; |
---|
| 3024 | |
---|
| 3025 | if (name == 'keypress' && |
---|
| 3026 | (Prototype.Browser.WebKit || element.attachEvent)) |
---|
| 3027 | name = 'keydown'; |
---|
| 3028 | |
---|
| 3029 | Event._observeAndCache(element, name, observer, useCapture); |
---|
| 3030 | }, |
---|
| 3031 | |
---|
| 3032 | stopObserving: function(element, name, observer, useCapture) { |
---|
| 3033 | element = $(element); |
---|
| 3034 | useCapture = useCapture || false; |
---|
| 3035 | |
---|
| 3036 | if (name == 'keypress' && |
---|
| 3037 | (Prototype.Browser.WebKit || element.attachEvent)) |
---|
| 3038 | name = 'keydown'; |
---|
| 3039 | |
---|
| 3040 | if (element.removeEventListener) { |
---|
| 3041 | element.removeEventListener(name, observer, useCapture); |
---|
| 3042 | } else if (element.detachEvent) { |
---|
| 3043 | try { |
---|
| 3044 | element.detachEvent('on' + name, observer); |
---|
| 3045 | } catch (e) {} |
---|
| 3046 | } |
---|
| 3047 | } |
---|
| 3048 | }); |
---|
| 3049 | |
---|
| 3050 | /* prevent memory leaks in IE */ |
---|
| 3051 | if (Prototype.Browser.IE) |
---|
| 3052 | Event.observe(window, 'unload', Event.unloadCache, false); |
---|
| 3053 | var Position = { |
---|
| 3054 | // set to true if needed, warning: firefox performance problems |
---|
| 3055 | // NOT neeeded for page scrolling, only if draggable contained in |
---|
| 3056 | // scrollable elements |
---|
| 3057 | includeScrollOffsets: false, |
---|
| 3058 | |
---|
| 3059 | // must be called before calling withinIncludingScrolloffset, every time the |
---|
| 3060 | // page is scrolled |
---|
| 3061 | prepare: function() { |
---|
| 3062 | this.deltaX = window.pageXOffset |
---|
| 3063 | || document.documentElement.scrollLeft |
---|
| 3064 | || document.body.scrollLeft |
---|
| 3065 | || 0; |
---|
| 3066 | this.deltaY = window.pageYOffset |
---|
| 3067 | || document.documentElement.scrollTop |
---|
| 3068 | || document.body.scrollTop |
---|
| 3069 | || 0; |
---|
| 3070 | }, |
---|
| 3071 | |
---|
| 3072 | realOffset: function(element) { |
---|
| 3073 | var valueT = 0, valueL = 0; |
---|
| 3074 | do { |
---|
| 3075 | valueT += element.scrollTop || 0; |
---|
| 3076 | valueL += element.scrollLeft || 0; |
---|
| 3077 | element = element.parentNode; |
---|
| 3078 | } while (element); |
---|
| 3079 | return [valueL, valueT]; |
---|
| 3080 | }, |
---|
| 3081 | |
---|
| 3082 | cumulativeOffset: function(element) { |
---|
| 3083 | var valueT = 0, valueL = 0; |
---|
| 3084 | do { |
---|
| 3085 | valueT += element.offsetTop || 0; |
---|
| 3086 | valueL += element.offsetLeft || 0; |
---|
| 3087 | element = element.offsetParent; |
---|
| 3088 | } while (element); |
---|
| 3089 | return [valueL, valueT]; |
---|
| 3090 | }, |
---|
| 3091 | |
---|
| 3092 | positionedOffset: function(element) { |
---|
| 3093 | var valueT = 0, valueL = 0; |
---|
| 3094 | do { |
---|
| 3095 | valueT += element.offsetTop || 0; |
---|
| 3096 | valueL += element.offsetLeft || 0; |
---|
| 3097 | element = element.offsetParent; |
---|
| 3098 | if (element) { |
---|
| 3099 | if(element.tagName=='BODY') break; |
---|
| 3100 | var p = Element.getStyle(element, 'position'); |
---|
| 3101 | if (p == 'relative' || p == 'absolute') break; |
---|
| 3102 | } |
---|
| 3103 | } while (element); |
---|
| 3104 | return [valueL, valueT]; |
---|
| 3105 | }, |
---|
| 3106 | |
---|
| 3107 | offsetParent: function(element) { |
---|
| 3108 | if (element.offsetParent) return element.offsetParent; |
---|
| 3109 | if (element == document.body) return element; |
---|
| 3110 | |
---|
| 3111 | while ((element = element.parentNode) && element != document.body) |
---|
| 3112 | if (Element.getStyle(element, 'position') != 'static') |
---|
| 3113 | return element; |
---|
| 3114 | |
---|
| 3115 | return document.body; |
---|
| 3116 | }, |
---|
| 3117 | |
---|
| 3118 | // caches x/y coordinate pair to use with overlap |
---|
| 3119 | within: function(element, x, y) { |
---|
| 3120 | if (this.includeScrollOffsets) |
---|
| 3121 | return this.withinIncludingScrolloffsets(element, x, y); |
---|
| 3122 | this.xcomp = x; |
---|
| 3123 | this.ycomp = y; |
---|
| 3124 | this.offset = this.cumulativeOffset(element); |
---|
| 3125 | |
---|
| 3126 | return (y >= this.offset[1] && |
---|
| 3127 | y < this.offset[1] + element.offsetHeight && |
---|
| 3128 | x >= this.offset[0] && |
---|
| 3129 | x < this.offset[0] + element.offsetWidth); |
---|
| 3130 | }, |
---|
| 3131 | |
---|
| 3132 | withinIncludingScrolloffsets: function(element, x, y) { |
---|
| 3133 | var offsetcache = this.realOffset(element); |
---|
| 3134 | |
---|
| 3135 | this.xcomp = x + offsetcache[0] - this.deltaX; |
---|
| 3136 | this.ycomp = y + offsetcache[1] - this.deltaY; |
---|
| 3137 | this.offset = this.cumulativeOffset(element); |
---|
| 3138 | |
---|
| 3139 | return (this.ycomp >= this.offset[1] && |
---|
| 3140 | this.ycomp < this.offset[1] + element.offsetHeight && |
---|
| 3141 | this.xcomp >= this.offset[0] && |
---|
| 3142 | this.xcomp < this.offset[0] + element.offsetWidth); |
---|
| 3143 | }, |
---|
| 3144 | |
---|
| 3145 | // within must be called directly before |
---|
| 3146 | overlap: function(mode, element) { |
---|
| 3147 | if (!mode) return 0; |
---|
| 3148 | if (mode == 'vertical') |
---|
| 3149 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
---|
| 3150 | element.offsetHeight; |
---|
| 3151 | if (mode == 'horizontal') |
---|
| 3152 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
---|
| 3153 | element.offsetWidth; |
---|
| 3154 | }, |
---|
| 3155 | |
---|
| 3156 | page: function(forElement) { |
---|
| 3157 | var valueT = 0, valueL = 0; |
---|
| 3158 | |
---|
| 3159 | var element = forElement; |
---|
| 3160 | do { |
---|
| 3161 | valueT += element.offsetTop || 0; |
---|
| 3162 | valueL += element.offsetLeft || 0; |
---|
| 3163 | |
---|
| 3164 | // Safari fix |
---|
| 3165 | if (element.offsetParent == document.body) |
---|
| 3166 | if (Element.getStyle(element,'position')=='absolute') break; |
---|
| 3167 | |
---|
| 3168 | } while (element = element.offsetParent); |
---|
| 3169 | |
---|
| 3170 | element = forElement; |
---|
| 3171 | do { |
---|
| 3172 | if (!window.opera || element.tagName=='BODY') { |
---|
| 3173 | valueT -= element.scrollTop || 0; |
---|
| 3174 | valueL -= element.scrollLeft || 0; |
---|
| 3175 | } |
---|
| 3176 | } while (element = element.parentNode); |
---|
| 3177 | |
---|
| 3178 | return [valueL, valueT]; |
---|
| 3179 | }, |
---|
| 3180 | |
---|
| 3181 | clone: function(source, target) { |
---|
| 3182 | var options = Object.extend({ |
---|
| 3183 | setLeft: true, |
---|
| 3184 | setTop: true, |
---|
| 3185 | setWidth: true, |
---|
| 3186 | setHeight: true, |
---|
| 3187 | offsetTop: 0, |
---|
| 3188 | offsetLeft: 0 |
---|
| 3189 | }, arguments[2] || {}) |
---|
| 3190 | |
---|
| 3191 | // find page position of source |
---|
| 3192 | source = $(source); |
---|
| 3193 | var p = Position.page(source); |
---|
| 3194 | |
---|
| 3195 | // find coordinate system to use |
---|
| 3196 | target = $(target); |
---|
| 3197 | var delta = [0, 0]; |
---|
| 3198 | var parent = null; |
---|
| 3199 | // delta [0,0] will do fine with position: fixed elements, |
---|
| 3200 | // position:absolute needs offsetParent deltas |
---|
| 3201 | if (Element.getStyle(target,'position') == 'absolute') { |
---|
| 3202 | parent = Position.offsetParent(target); |
---|
| 3203 | delta = Position.page(parent); |
---|
| 3204 | } |
---|
| 3205 | |
---|
| 3206 | // correct by body offsets (fixes Safari) |
---|
| 3207 | if (parent == document.body) { |
---|
| 3208 | delta[0] -= document.body.offsetLeft; |
---|
| 3209 | delta[1] -= document.body.offsetTop; |
---|
| 3210 | } |
---|
| 3211 | |
---|
| 3212 | // set position |
---|
| 3213 | if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
---|
| 3214 | if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
---|
| 3215 | if(options.setWidth) target.style.width = source.offsetWidth + 'px'; |
---|
| 3216 | if(options.setHeight) target.style.height = source.offsetHeight + 'px'; |
---|
| 3217 | }, |
---|
| 3218 | |
---|
| 3219 | absolutize: function(element) { |
---|
| 3220 | element = $(element); |
---|
| 3221 | if (element.style.position == 'absolute') return; |
---|
| 3222 | Position.prepare(); |
---|
| 3223 | |
---|
| 3224 | var offsets = Position.positionedOffset(element); |
---|
| 3225 | var top = offsets[1]; |
---|
| 3226 | var left = offsets[0]; |
---|
| 3227 | var width = element.clientWidth; |
---|
| 3228 | var height = element.clientHeight; |
---|
| 3229 | |
---|
| 3230 | element._originalLeft = left - parseFloat(element.style.left || 0); |
---|
| 3231 | element._originalTop = top - parseFloat(element.style.top || 0); |
---|
| 3232 | element._originalWidth = element.style.width; |
---|
| 3233 | element._originalHeight = element.style.height; |
---|
| 3234 | |
---|
| 3235 | element.style.position = 'absolute'; |
---|
| 3236 | element.style.top = top + 'px'; |
---|
| 3237 | element.style.left = left + 'px'; |
---|
| 3238 | element.style.width = width + 'px'; |
---|
| 3239 | element.style.height = height + 'px'; |
---|
| 3240 | }, |
---|
| 3241 | |
---|
| 3242 | relativize: function(element) { |
---|
| 3243 | element = $(element); |
---|
| 3244 | if (element.style.position == 'relative') return; |
---|
| 3245 | Position.prepare(); |
---|
| 3246 | |
---|
| 3247 | element.style.position = 'relative'; |
---|
| 3248 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
---|
| 3249 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
---|
| 3250 | |
---|
| 3251 | element.style.top = top + 'px'; |
---|
| 3252 | element.style.left = left + 'px'; |
---|
| 3253 | element.style.height = element._originalHeight; |
---|
| 3254 | element.style.width = element._originalWidth; |
---|
| 3255 | } |
---|
| 3256 | } |
---|
| 3257 | |
---|
| 3258 | // Safari returns margins on body which is incorrect if the child is absolutely |
---|
| 3259 | // positioned. For performance reasons, redefine Position.cumulativeOffset for |
---|
| 3260 | // KHTML/WebKit only. |
---|
| 3261 | if (Prototype.Browser.WebKit) { |
---|
| 3262 | Position.cumulativeOffset = function(element) { |
---|
| 3263 | var valueT = 0, valueL = 0; |
---|
| 3264 | do { |
---|
| 3265 | valueT += element.offsetTop || 0; |
---|
| 3266 | valueL += element.offsetLeft || 0; |
---|
| 3267 | if (element.offsetParent == document.body) |
---|
| 3268 | if (Element.getStyle(element, 'position') == 'absolute') break; |
---|
| 3269 | |
---|
| 3270 | element = element.offsetParent; |
---|
| 3271 | } while (element); |
---|
| 3272 | |
---|
| 3273 | return [valueL, valueT]; |
---|
| 3274 | } |
---|
| 3275 | } |
---|
| 3276 | |
---|
| 3277 | Element.addMethods(); |
---|