[1852] | 1 | /* Prototype JavaScript framework, version 1.5.0 |
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| 2 | * (c) 2005-2007 Sam Stephenson |
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[1698] | 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://prototype.conio.net/ |
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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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[1852] | 10 | Version: '1.5.0', |
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| 11 | BrowserFeatures: { |
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| 12 | XPath: !!document.evaluate |
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| 13 | }, |
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| 14 | |
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[1698] | 15 | ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', |
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| 16 | emptyFunction: function() {}, |
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[1852] | 17 | K: function(x) { return x } |
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[1698] | 18 | } |
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| 19 | |
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| 20 | var Class = { |
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| 21 | create: function() { |
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| 22 | return function() { |
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| 23 | this.initialize.apply(this, arguments); |
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| 24 | } |
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| 25 | } |
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| 26 | } |
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| 27 | |
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| 28 | var Abstract = new Object(); |
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| 29 | |
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| 30 | Object.extend = function(destination, source) { |
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[1852] | 31 | for (var property in source) { |
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[1698] | 32 | destination[property] = source[property]; |
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| 33 | } |
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| 34 | return destination; |
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| 35 | } |
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| 36 | |
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[1852] | 37 | Object.extend(Object, { |
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| 38 | inspect: function(object) { |
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| 39 | try { |
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| 40 | if (object === undefined) return 'undefined'; |
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| 41 | if (object === null) return 'null'; |
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| 42 | return object.inspect ? object.inspect() : object.toString(); |
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| 43 | } catch (e) { |
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| 44 | if (e instanceof RangeError) return '...'; |
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| 45 | throw e; |
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| 46 | } |
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| 47 | }, |
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| 48 | |
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| 49 | keys: function(object) { |
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| 50 | var keys = []; |
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| 51 | for (var property in object) |
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| 52 | keys.push(property); |
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| 53 | return keys; |
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| 54 | }, |
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| 55 | |
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| 56 | values: function(object) { |
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| 57 | var values = []; |
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| 58 | for (var property in object) |
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| 59 | values.push(object[property]); |
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| 60 | return values; |
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| 61 | }, |
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| 62 | |
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| 63 | clone: function(object) { |
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| 64 | return Object.extend({}, object); |
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[1698] | 65 | } |
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[1852] | 66 | }); |
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[1698] | 67 | |
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| 68 | Function.prototype.bind = function() { |
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| 69 | var __method = this, args = $A(arguments), object = args.shift(); |
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| 70 | return function() { |
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| 71 | return __method.apply(object, args.concat($A(arguments))); |
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| 72 | } |
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| 73 | } |
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| 74 | |
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| 75 | Function.prototype.bindAsEventListener = function(object) { |
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[1852] | 76 | var __method = this, args = $A(arguments), object = args.shift(); |
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[1698] | 77 | return function(event) { |
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[1852] | 78 | return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments))); |
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[1698] | 79 | } |
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| 80 | } |
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| 81 | |
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| 82 | Object.extend(Number.prototype, { |
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| 83 | toColorPart: function() { |
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| 84 | var digits = this.toString(16); |
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| 85 | if (this < 16) return '0' + digits; |
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| 86 | return digits; |
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| 87 | }, |
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| 88 | |
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| 89 | succ: function() { |
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| 90 | return this + 1; |
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| 91 | }, |
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| 92 | |
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| 93 | times: function(iterator) { |
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| 94 | $R(0, this, true).each(iterator); |
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| 95 | return this; |
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| 96 | } |
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| 97 | }); |
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| 98 | |
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| 99 | var Try = { |
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| 100 | these: function() { |
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| 101 | var returnValue; |
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| 102 | |
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[1852] | 103 | for (var i = 0, length = arguments.length; i < length; i++) { |
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[1698] | 104 | var lambda = arguments[i]; |
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| 105 | try { |
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| 106 | returnValue = lambda(); |
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| 107 | break; |
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| 108 | } catch (e) {} |
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| 109 | } |
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| 110 | |
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| 111 | return returnValue; |
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| 112 | } |
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| 113 | } |
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| 114 | |
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| 115 | /*--------------------------------------------------------------------------*/ |
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| 116 | |
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| 117 | var PeriodicalExecuter = Class.create(); |
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| 118 | PeriodicalExecuter.prototype = { |
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| 119 | initialize: function(callback, frequency) { |
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| 120 | this.callback = callback; |
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| 121 | this.frequency = frequency; |
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| 122 | this.currentlyExecuting = false; |
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| 123 | |
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| 124 | this.registerCallback(); |
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| 125 | }, |
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| 126 | |
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| 127 | registerCallback: function() { |
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[1852] | 128 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
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[1698] | 129 | }, |
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| 130 | |
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[1852] | 131 | stop: function() { |
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| 132 | if (!this.timer) return; |
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| 133 | clearInterval(this.timer); |
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| 134 | this.timer = null; |
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| 135 | }, |
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| 136 | |
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[1698] | 137 | onTimerEvent: function() { |
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| 138 | if (!this.currentlyExecuting) { |
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| 139 | try { |
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| 140 | this.currentlyExecuting = true; |
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[1852] | 141 | this.callback(this); |
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[1698] | 142 | } finally { |
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| 143 | this.currentlyExecuting = false; |
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| 144 | } |
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| 145 | } |
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| 146 | } |
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| 147 | } |
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[1852] | 148 | String.interpret = function(value){ |
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| 149 | return value == null ? '' : String(value); |
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| 150 | } |
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[1698] | 151 | |
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[1852] | 152 | Object.extend(String.prototype, { |
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| 153 | gsub: function(pattern, replacement) { |
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| 154 | var result = '', source = this, match; |
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| 155 | replacement = arguments.callee.prepareReplacement(replacement); |
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[1698] | 156 | |
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[1852] | 157 | while (source.length > 0) { |
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| 158 | if (match = source.match(pattern)) { |
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| 159 | result += source.slice(0, match.index); |
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| 160 | result += String.interpret(replacement(match)); |
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| 161 | source = source.slice(match.index + match[0].length); |
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| 162 | } else { |
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| 163 | result += source, source = ''; |
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| 164 | } |
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| 165 | } |
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| 166 | return result; |
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| 167 | }, |
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[1698] | 168 | |
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[1852] | 169 | sub: function(pattern, replacement, count) { |
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| 170 | replacement = this.gsub.prepareReplacement(replacement); |
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| 171 | count = count === undefined ? 1 : count; |
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[1698] | 172 | |
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[1852] | 173 | return this.gsub(pattern, function(match) { |
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| 174 | if (--count < 0) return match[0]; |
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| 175 | return replacement(match); |
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| 176 | }); |
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| 177 | }, |
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[1698] | 178 | |
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[1852] | 179 | scan: function(pattern, iterator) { |
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| 180 | this.gsub(pattern, iterator); |
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| 181 | return this; |
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| 182 | }, |
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[1698] | 183 | |
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[1852] | 184 | truncate: function(length, truncation) { |
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| 185 | length = length || 30; |
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| 186 | truncation = truncation === undefined ? '...' : truncation; |
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| 187 | return this.length > length ? |
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| 188 | this.slice(0, length - truncation.length) + truncation : this; |
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| 189 | }, |
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| 190 | |
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| 191 | strip: function() { |
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| 192 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
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| 193 | }, |
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| 194 | |
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[1698] | 195 | stripTags: function() { |
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| 196 | return this.replace(/<\/?[^>]+>/gi, ''); |
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| 197 | }, |
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| 198 | |
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| 199 | stripScripts: function() { |
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| 200 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
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| 201 | }, |
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| 202 | |
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| 203 | extractScripts: function() { |
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| 204 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
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| 205 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
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| 206 | return (this.match(matchAll) || []).map(function(scriptTag) { |
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| 207 | return (scriptTag.match(matchOne) || ['', ''])[1]; |
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| 208 | }); |
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| 209 | }, |
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| 210 | |
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| 211 | evalScripts: function() { |
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[1852] | 212 | return this.extractScripts().map(function(script) { return eval(script) }); |
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[1698] | 213 | }, |
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| 214 | |
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| 215 | escapeHTML: function() { |
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| 216 | var div = document.createElement('div'); |
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| 217 | var text = document.createTextNode(this); |
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| 218 | div.appendChild(text); |
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| 219 | return div.innerHTML; |
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| 220 | }, |
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| 221 | |
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| 222 | unescapeHTML: function() { |
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| 223 | var div = document.createElement('div'); |
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| 224 | div.innerHTML = this.stripTags(); |
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[1852] | 225 | return div.childNodes[0] ? (div.childNodes.length > 1 ? |
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| 226 | $A(div.childNodes).inject('',function(memo,node){ return memo+node.nodeValue }) : |
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| 227 | div.childNodes[0].nodeValue) : ''; |
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[1698] | 228 | }, |
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| 229 | |
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[1852] | 230 | toQueryParams: function(separator) { |
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| 231 | var match = this.strip().match(/([^?#]*)(#.*)?$/); |
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| 232 | if (!match) return {}; |
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| 233 | |
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| 234 | return match[1].split(separator || '&').inject({}, function(hash, pair) { |
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| 235 | if ((pair = pair.split('='))[0]) { |
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| 236 | var name = decodeURIComponent(pair[0]); |
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| 237 | var value = pair[1] ? decodeURIComponent(pair[1]) : undefined; |
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| 238 | |
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| 239 | if (hash[name] !== undefined) { |
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| 240 | if (hash[name].constructor != Array) |
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| 241 | hash[name] = [hash[name]]; |
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| 242 | if (value) hash[name].push(value); |
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| 243 | } |
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| 244 | else hash[name] = value; |
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| 245 | } |
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| 246 | return hash; |
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[1698] | 247 | }); |
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| 248 | }, |
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| 249 | |
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| 250 | toArray: function() { |
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| 251 | return this.split(''); |
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| 252 | }, |
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| 253 | |
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[1852] | 254 | succ: function() { |
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| 255 | return this.slice(0, this.length - 1) + |
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| 256 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
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| 257 | }, |
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| 258 | |
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[1698] | 259 | camelize: function() { |
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[1852] | 260 | var parts = this.split('-'), len = parts.length; |
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| 261 | if (len == 1) return parts[0]; |
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[1698] | 262 | |
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[1852] | 263 | var camelized = this.charAt(0) == '-' |
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| 264 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
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| 265 | : parts[0]; |
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[1698] | 266 | |
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[1852] | 267 | for (var i = 1; i < len; i++) |
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| 268 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
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[1698] | 269 | |
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[1852] | 270 | return camelized; |
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[1698] | 271 | }, |
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| 272 | |
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[1852] | 273 | capitalize: function(){ |
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| 274 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
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| 275 | }, |
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| 276 | |
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| 277 | underscore: function() { |
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| 278 | 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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| 279 | }, |
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| 280 | |
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| 281 | dasherize: function() { |
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| 282 | return this.gsub(/_/,'-'); |
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| 283 | }, |
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| 284 | |
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| 285 | inspect: function(useDoubleQuotes) { |
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| 286 | var escapedString = this.replace(/\\/g, '\\\\'); |
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| 287 | if (useDoubleQuotes) |
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| 288 | return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
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| 289 | else |
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| 290 | return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
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[1698] | 291 | } |
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| 292 | }); |
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| 293 | |
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[1852] | 294 | String.prototype.gsub.prepareReplacement = function(replacement) { |
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| 295 | if (typeof replacement == 'function') return replacement; |
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| 296 | var template = new Template(replacement); |
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| 297 | return function(match) { return template.evaluate(match) }; |
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| 298 | } |
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| 299 | |
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[1698] | 300 | String.prototype.parseQuery = String.prototype.toQueryParams; |
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| 301 | |
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[1852] | 302 | var Template = Class.create(); |
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| 303 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
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| 304 | Template.prototype = { |
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| 305 | initialize: function(template, pattern) { |
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| 306 | this.template = template.toString(); |
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| 307 | this.pattern = pattern || Template.Pattern; |
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| 308 | }, |
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| 309 | |
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| 310 | evaluate: function(object) { |
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| 311 | return this.template.gsub(this.pattern, function(match) { |
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| 312 | var before = match[1]; |
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| 313 | if (before == '\\') return match[2]; |
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| 314 | return before + String.interpret(object[match[3]]); |
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| 315 | }); |
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| 316 | } |
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| 317 | } |
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| 318 | |
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[1698] | 319 | var $break = new Object(); |
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| 320 | var $continue = new Object(); |
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| 321 | |
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| 322 | var Enumerable = { |
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| 323 | each: function(iterator) { |
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| 324 | var index = 0; |
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| 325 | try { |
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| 326 | this._each(function(value) { |
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| 327 | try { |
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| 328 | iterator(value, index++); |
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| 329 | } catch (e) { |
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| 330 | if (e != $continue) throw e; |
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| 331 | } |
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| 332 | }); |
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| 333 | } catch (e) { |
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| 334 | if (e != $break) throw e; |
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| 335 | } |
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[1852] | 336 | return this; |
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[1698] | 337 | }, |
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| 338 | |
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[1852] | 339 | eachSlice: function(number, iterator) { |
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| 340 | var index = -number, slices = [], array = this.toArray(); |
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| 341 | while ((index += number) < array.length) |
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| 342 | slices.push(array.slice(index, index+number)); |
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| 343 | return slices.map(iterator); |
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| 344 | }, |
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| 345 | |
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[1698] | 346 | all: function(iterator) { |
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| 347 | var result = true; |
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| 348 | this.each(function(value, index) { |
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| 349 | result = result && !!(iterator || Prototype.K)(value, index); |
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| 350 | if (!result) throw $break; |
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| 351 | }); |
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| 352 | return result; |
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| 353 | }, |
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| 354 | |
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| 355 | any: function(iterator) { |
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[1852] | 356 | var result = false; |
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[1698] | 357 | this.each(function(value, index) { |
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| 358 | if (result = !!(iterator || Prototype.K)(value, index)) |
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| 359 | throw $break; |
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| 360 | }); |
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| 361 | return result; |
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| 362 | }, |
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| 363 | |
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| 364 | collect: function(iterator) { |
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| 365 | var results = []; |
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| 366 | this.each(function(value, index) { |
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[1852] | 367 | results.push((iterator || Prototype.K)(value, index)); |
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[1698] | 368 | }); |
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| 369 | return results; |
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| 370 | }, |
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| 371 | |
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[1852] | 372 | detect: function(iterator) { |
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[1698] | 373 | var result; |
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| 374 | this.each(function(value, index) { |
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| 375 | if (iterator(value, index)) { |
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| 376 | result = value; |
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| 377 | throw $break; |
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| 378 | } |
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| 379 | }); |
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| 380 | return result; |
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| 381 | }, |
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| 382 | |
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| 383 | findAll: function(iterator) { |
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| 384 | var results = []; |
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| 385 | this.each(function(value, index) { |
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| 386 | if (iterator(value, index)) |
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| 387 | results.push(value); |
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| 388 | }); |
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| 389 | return results; |
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| 390 | }, |
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| 391 | |
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| 392 | grep: function(pattern, iterator) { |
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| 393 | var results = []; |
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| 394 | this.each(function(value, index) { |
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| 395 | var stringValue = value.toString(); |
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| 396 | if (stringValue.match(pattern)) |
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| 397 | results.push((iterator || Prototype.K)(value, index)); |
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| 398 | }) |
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| 399 | return results; |
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| 400 | }, |
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| 401 | |
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| 402 | include: function(object) { |
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| 403 | var found = false; |
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| 404 | this.each(function(value) { |
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| 405 | if (value == object) { |
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| 406 | found = true; |
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| 407 | throw $break; |
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| 408 | } |
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| 409 | }); |
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| 410 | return found; |
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| 411 | }, |
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| 412 | |
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[1852] | 413 | inGroupsOf: function(number, fillWith) { |
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| 414 | fillWith = fillWith === undefined ? null : fillWith; |
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| 415 | return this.eachSlice(number, function(slice) { |
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| 416 | while(slice.length < number) slice.push(fillWith); |
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| 417 | return slice; |
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| 418 | }); |
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| 419 | }, |
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| 420 | |
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[1698] | 421 | inject: function(memo, iterator) { |
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| 422 | this.each(function(value, index) { |
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| 423 | memo = iterator(memo, value, index); |
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| 424 | }); |
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| 425 | return memo; |
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| 426 | }, |
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| 427 | |
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| 428 | invoke: function(method) { |
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| 429 | var args = $A(arguments).slice(1); |
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[1852] | 430 | return this.map(function(value) { |
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[1698] | 431 | return value[method].apply(value, args); |
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| 432 | }); |
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| 433 | }, |
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| 434 | |
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| 435 | max: function(iterator) { |
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| 436 | var result; |
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| 437 | this.each(function(value, index) { |
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| 438 | value = (iterator || Prototype.K)(value, index); |
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[1852] | 439 | if (result == undefined || value >= result) |
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[1698] | 440 | result = value; |
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| 441 | }); |
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| 442 | return result; |
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| 443 | }, |
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| 444 | |
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| 445 | min: function(iterator) { |
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| 446 | var result; |
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| 447 | this.each(function(value, index) { |
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| 448 | value = (iterator || Prototype.K)(value, index); |
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[1852] | 449 | if (result == undefined || value < result) |
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[1698] | 450 | result = value; |
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| 451 | }); |
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| 452 | return result; |
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| 453 | }, |
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| 454 | |
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| 455 | partition: function(iterator) { |
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| 456 | var trues = [], falses = []; |
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| 457 | this.each(function(value, index) { |
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| 458 | ((iterator || Prototype.K)(value, index) ? |
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| 459 | trues : falses).push(value); |
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| 460 | }); |
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| 461 | return [trues, falses]; |
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| 462 | }, |
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| 463 | |
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| 464 | pluck: function(property) { |
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| 465 | var results = []; |
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| 466 | this.each(function(value, index) { |
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| 467 | results.push(value[property]); |
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| 468 | }); |
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| 469 | return results; |
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| 470 | }, |
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| 471 | |
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| 472 | reject: function(iterator) { |
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| 473 | var results = []; |
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| 474 | this.each(function(value, index) { |
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| 475 | if (!iterator(value, index)) |
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| 476 | results.push(value); |
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| 477 | }); |
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| 478 | return results; |
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| 479 | }, |
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| 480 | |
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| 481 | sortBy: function(iterator) { |
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[1852] | 482 | return this.map(function(value, index) { |
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[1698] | 483 | return {value: value, criteria: iterator(value, index)}; |
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| 484 | }).sort(function(left, right) { |
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| 485 | var a = left.criteria, b = right.criteria; |
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| 486 | return a < b ? -1 : a > b ? 1 : 0; |
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| 487 | }).pluck('value'); |
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| 488 | }, |
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| 489 | |
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| 490 | toArray: function() { |
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[1852] | 491 | return this.map(); |
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[1698] | 492 | }, |
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| 493 | |
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| 494 | zip: function() { |
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| 495 | var iterator = Prototype.K, args = $A(arguments); |
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| 496 | if (typeof args.last() == 'function') |
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| 497 | iterator = args.pop(); |
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| 498 | |
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| 499 | var collections = [this].concat(args).map($A); |
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| 500 | return this.map(function(value, index) { |
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[1852] | 501 | return iterator(collections.pluck(index)); |
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[1698] | 502 | }); |
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| 503 | }, |
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| 504 | |
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[1852] | 505 | size: function() { |
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| 506 | return this.toArray().length; |
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| 507 | }, |
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| 508 | |
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[1698] | 509 | inspect: function() { |
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| 510 | return '#<Enumerable:' + this.toArray().inspect() + '>'; |
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| 511 | } |
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| 512 | } |
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| 513 | |
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| 514 | Object.extend(Enumerable, { |
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| 515 | map: Enumerable.collect, |
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| 516 | find: Enumerable.detect, |
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| 517 | select: Enumerable.findAll, |
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| 518 | member: Enumerable.include, |
---|
| 519 | entries: Enumerable.toArray |
---|
| 520 | }); |
---|
| 521 | var $A = Array.from = function(iterable) { |
---|
| 522 | if (!iterable) return []; |
---|
| 523 | if (iterable.toArray) { |
---|
| 524 | return iterable.toArray(); |
---|
| 525 | } else { |
---|
| 526 | var results = []; |
---|
[1852] | 527 | for (var i = 0, length = iterable.length; i < length; i++) |
---|
[1698] | 528 | results.push(iterable[i]); |
---|
| 529 | return results; |
---|
| 530 | } |
---|
| 531 | } |
---|
| 532 | |
---|
| 533 | Object.extend(Array.prototype, Enumerable); |
---|
| 534 | |
---|
[1852] | 535 | if (!Array.prototype._reverse) |
---|
| 536 | Array.prototype._reverse = Array.prototype.reverse; |
---|
[1698] | 537 | |
---|
| 538 | Object.extend(Array.prototype, { |
---|
| 539 | _each: function(iterator) { |
---|
[1852] | 540 | for (var i = 0, length = this.length; i < length; i++) |
---|
[1698] | 541 | iterator(this[i]); |
---|
| 542 | }, |
---|
| 543 | |
---|
| 544 | clear: function() { |
---|
| 545 | this.length = 0; |
---|
| 546 | return this; |
---|
| 547 | }, |
---|
| 548 | |
---|
| 549 | first: function() { |
---|
| 550 | return this[0]; |
---|
| 551 | }, |
---|
| 552 | |
---|
| 553 | last: function() { |
---|
| 554 | return this[this.length - 1]; |
---|
| 555 | }, |
---|
| 556 | |
---|
| 557 | compact: function() { |
---|
| 558 | return this.select(function(value) { |
---|
[1852] | 559 | return value != null; |
---|
[1698] | 560 | }); |
---|
| 561 | }, |
---|
| 562 | |
---|
| 563 | flatten: function() { |
---|
| 564 | return this.inject([], function(array, value) { |
---|
[1852] | 565 | return array.concat(value && value.constructor == Array ? |
---|
[1698] | 566 | value.flatten() : [value]); |
---|
| 567 | }); |
---|
| 568 | }, |
---|
| 569 | |
---|
| 570 | without: function() { |
---|
| 571 | var values = $A(arguments); |
---|
| 572 | return this.select(function(value) { |
---|
| 573 | return !values.include(value); |
---|
| 574 | }); |
---|
| 575 | }, |
---|
| 576 | |
---|
| 577 | indexOf: function(object) { |
---|
[1852] | 578 | for (var i = 0, length = this.length; i < length; i++) |
---|
[1698] | 579 | if (this[i] == object) return i; |
---|
| 580 | return -1; |
---|
| 581 | }, |
---|
| 582 | |
---|
| 583 | reverse: function(inline) { |
---|
| 584 | return (inline !== false ? this : this.toArray())._reverse(); |
---|
| 585 | }, |
---|
| 586 | |
---|
[1852] | 587 | reduce: function() { |
---|
| 588 | return this.length > 1 ? this : this[0]; |
---|
[1698] | 589 | }, |
---|
| 590 | |
---|
[1852] | 591 | uniq: function() { |
---|
| 592 | return this.inject([], function(array, value) { |
---|
| 593 | return array.include(value) ? array : array.concat([value]); |
---|
| 594 | }); |
---|
| 595 | }, |
---|
| 596 | |
---|
| 597 | clone: function() { |
---|
| 598 | return [].concat(this); |
---|
| 599 | }, |
---|
| 600 | |
---|
| 601 | size: function() { |
---|
| 602 | return this.length; |
---|
| 603 | }, |
---|
| 604 | |
---|
[1698] | 605 | inspect: function() { |
---|
| 606 | return '[' + this.map(Object.inspect).join(', ') + ']'; |
---|
| 607 | } |
---|
| 608 | }); |
---|
[1852] | 609 | |
---|
| 610 | Array.prototype.toArray = Array.prototype.clone; |
---|
| 611 | |
---|
| 612 | function $w(string){ |
---|
| 613 | string = string.strip(); |
---|
| 614 | return string ? string.split(/\s+/) : []; |
---|
| 615 | } |
---|
| 616 | |
---|
| 617 | if(window.opera){ |
---|
| 618 | Array.prototype.concat = function(){ |
---|
| 619 | var array = []; |
---|
| 620 | for(var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
---|
| 621 | for(var i = 0, length = arguments.length; i < length; i++) { |
---|
| 622 | if(arguments[i].constructor == Array) { |
---|
| 623 | for(var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) |
---|
| 624 | array.push(arguments[i][j]); |
---|
| 625 | } else { |
---|
| 626 | array.push(arguments[i]); |
---|
| 627 | } |
---|
| 628 | } |
---|
| 629 | return array; |
---|
| 630 | } |
---|
| 631 | } |
---|
| 632 | var Hash = function(obj) { |
---|
| 633 | Object.extend(this, obj || {}); |
---|
| 634 | }; |
---|
| 635 | |
---|
| 636 | Object.extend(Hash, { |
---|
| 637 | toQueryString: function(obj) { |
---|
| 638 | var parts = []; |
---|
| 639 | |
---|
| 640 | this.prototype._each.call(obj, function(pair) { |
---|
| 641 | if (!pair.key) return; |
---|
| 642 | |
---|
| 643 | if (pair.value && pair.value.constructor == Array) { |
---|
| 644 | var values = pair.value.compact(); |
---|
| 645 | if (values.length < 2) pair.value = values.reduce(); |
---|
| 646 | else { |
---|
| 647 | key = encodeURIComponent(pair.key); |
---|
| 648 | values.each(function(value) { |
---|
| 649 | value = value != undefined ? encodeURIComponent(value) : ''; |
---|
| 650 | parts.push(key + '=' + encodeURIComponent(value)); |
---|
| 651 | }); |
---|
| 652 | return; |
---|
| 653 | } |
---|
| 654 | } |
---|
| 655 | if (pair.value == undefined) pair[1] = ''; |
---|
| 656 | parts.push(pair.map(encodeURIComponent).join('=')); |
---|
| 657 | }); |
---|
| 658 | |
---|
| 659 | return parts.join('&'); |
---|
| 660 | } |
---|
| 661 | }); |
---|
| 662 | |
---|
| 663 | Object.extend(Hash.prototype, Enumerable); |
---|
| 664 | Object.extend(Hash.prototype, { |
---|
[1698] | 665 | _each: function(iterator) { |
---|
[1852] | 666 | for (var key in this) { |
---|
[1698] | 667 | var value = this[key]; |
---|
[1852] | 668 | if (value && value == Hash.prototype[key]) continue; |
---|
[1698] | 669 | |
---|
| 670 | var pair = [key, value]; |
---|
| 671 | pair.key = key; |
---|
| 672 | pair.value = value; |
---|
| 673 | iterator(pair); |
---|
| 674 | } |
---|
| 675 | }, |
---|
| 676 | |
---|
| 677 | keys: function() { |
---|
| 678 | return this.pluck('key'); |
---|
| 679 | }, |
---|
| 680 | |
---|
| 681 | values: function() { |
---|
| 682 | return this.pluck('value'); |
---|
| 683 | }, |
---|
| 684 | |
---|
| 685 | merge: function(hash) { |
---|
[1852] | 686 | return $H(hash).inject(this, function(mergedHash, pair) { |
---|
[1698] | 687 | mergedHash[pair.key] = pair.value; |
---|
| 688 | return mergedHash; |
---|
| 689 | }); |
---|
| 690 | }, |
---|
| 691 | |
---|
[1852] | 692 | remove: function() { |
---|
| 693 | var result; |
---|
| 694 | for(var i = 0, length = arguments.length; i < length; i++) { |
---|
| 695 | var value = this[arguments[i]]; |
---|
| 696 | if (value !== undefined){ |
---|
| 697 | if (result === undefined) result = value; |
---|
| 698 | else { |
---|
| 699 | if (result.constructor != Array) result = [result]; |
---|
| 700 | result.push(value) |
---|
| 701 | } |
---|
| 702 | } |
---|
| 703 | delete this[arguments[i]]; |
---|
| 704 | } |
---|
| 705 | return result; |
---|
| 706 | }, |
---|
| 707 | |
---|
[1698] | 708 | toQueryString: function() { |
---|
[1852] | 709 | return Hash.toQueryString(this); |
---|
[1698] | 710 | }, |
---|
| 711 | |
---|
| 712 | inspect: function() { |
---|
| 713 | return '#<Hash:{' + this.map(function(pair) { |
---|
| 714 | return pair.map(Object.inspect).join(': '); |
---|
| 715 | }).join(', ') + '}>'; |
---|
| 716 | } |
---|
[1852] | 717 | }); |
---|
[1698] | 718 | |
---|
| 719 | function $H(object) { |
---|
[1852] | 720 | if (object && object.constructor == Hash) return object; |
---|
| 721 | return new Hash(object); |
---|
| 722 | }; |
---|
[1698] | 723 | ObjectRange = Class.create(); |
---|
| 724 | Object.extend(ObjectRange.prototype, Enumerable); |
---|
| 725 | Object.extend(ObjectRange.prototype, { |
---|
| 726 | initialize: function(start, end, exclusive) { |
---|
| 727 | this.start = start; |
---|
| 728 | this.end = end; |
---|
| 729 | this.exclusive = exclusive; |
---|
| 730 | }, |
---|
| 731 | |
---|
| 732 | _each: function(iterator) { |
---|
| 733 | var value = this.start; |
---|
[1852] | 734 | while (this.include(value)) { |
---|
[1698] | 735 | iterator(value); |
---|
| 736 | value = value.succ(); |
---|
[1852] | 737 | } |
---|
[1698] | 738 | }, |
---|
| 739 | |
---|
| 740 | include: function(value) { |
---|
| 741 | if (value < this.start) |
---|
| 742 | return false; |
---|
| 743 | if (this.exclusive) |
---|
| 744 | return value < this.end; |
---|
| 745 | return value <= this.end; |
---|
| 746 | } |
---|
| 747 | }); |
---|
| 748 | |
---|
| 749 | var $R = function(start, end, exclusive) { |
---|
| 750 | return new ObjectRange(start, end, exclusive); |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | var Ajax = { |
---|
| 754 | getTransport: function() { |
---|
| 755 | return Try.these( |
---|
[1852] | 756 | function() {return new XMLHttpRequest()}, |
---|
[1698] | 757 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
---|
[1852] | 758 | function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
---|
[1698] | 759 | ) || false; |
---|
| 760 | }, |
---|
| 761 | |
---|
| 762 | activeRequestCount: 0 |
---|
| 763 | } |
---|
| 764 | |
---|
| 765 | Ajax.Responders = { |
---|
| 766 | responders: [], |
---|
| 767 | |
---|
| 768 | _each: function(iterator) { |
---|
| 769 | this.responders._each(iterator); |
---|
| 770 | }, |
---|
| 771 | |
---|
[1852] | 772 | register: function(responder) { |
---|
| 773 | if (!this.include(responder)) |
---|
| 774 | this.responders.push(responder); |
---|
[1698] | 775 | }, |
---|
| 776 | |
---|
[1852] | 777 | unregister: function(responder) { |
---|
| 778 | this.responders = this.responders.without(responder); |
---|
[1698] | 779 | }, |
---|
| 780 | |
---|
| 781 | dispatch: function(callback, request, transport, json) { |
---|
| 782 | this.each(function(responder) { |
---|
[1852] | 783 | if (typeof responder[callback] == 'function') { |
---|
[1698] | 784 | try { |
---|
| 785 | responder[callback].apply(responder, [request, transport, json]); |
---|
| 786 | } catch (e) {} |
---|
| 787 | } |
---|
| 788 | }); |
---|
| 789 | } |
---|
| 790 | }; |
---|
| 791 | |
---|
| 792 | Object.extend(Ajax.Responders, Enumerable); |
---|
| 793 | |
---|
| 794 | Ajax.Responders.register({ |
---|
| 795 | onCreate: function() { |
---|
| 796 | Ajax.activeRequestCount++; |
---|
| 797 | }, |
---|
| 798 | onComplete: function() { |
---|
| 799 | Ajax.activeRequestCount--; |
---|
| 800 | } |
---|
| 801 | }); |
---|
| 802 | |
---|
| 803 | Ajax.Base = function() {}; |
---|
| 804 | Ajax.Base.prototype = { |
---|
| 805 | setOptions: function(options) { |
---|
| 806 | this.options = { |
---|
| 807 | method: 'post', |
---|
| 808 | asynchronous: true, |
---|
[1852] | 809 | contentType: 'application/x-www-form-urlencoded', |
---|
| 810 | encoding: 'UTF-8', |
---|
[1698] | 811 | parameters: '' |
---|
| 812 | } |
---|
| 813 | Object.extend(this.options, options || {}); |
---|
| 814 | |
---|
[1852] | 815 | this.options.method = this.options.method.toLowerCase(); |
---|
| 816 | if (typeof this.options.parameters == 'string') |
---|
| 817 | this.options.parameters = this.options.parameters.toQueryParams(); |
---|
[1698] | 818 | } |
---|
| 819 | } |
---|
| 820 | |
---|
| 821 | Ajax.Request = Class.create(); |
---|
| 822 | Ajax.Request.Events = |
---|
| 823 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
---|
| 824 | |
---|
| 825 | Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
---|
[1852] | 826 | _complete: false, |
---|
| 827 | |
---|
[1698] | 828 | initialize: function(url, options) { |
---|
| 829 | this.transport = Ajax.getTransport(); |
---|
| 830 | this.setOptions(options); |
---|
| 831 | this.request(url); |
---|
| 832 | }, |
---|
| 833 | |
---|
| 834 | request: function(url) { |
---|
[1852] | 835 | this.url = url; |
---|
| 836 | this.method = this.options.method; |
---|
| 837 | var params = this.options.parameters; |
---|
[1698] | 838 | |
---|
[1852] | 839 | if (!['get', 'post'].include(this.method)) { |
---|
| 840 | // simulate other verbs over post |
---|
| 841 | params['_method'] = this.method; |
---|
| 842 | this.method = 'post'; |
---|
| 843 | } |
---|
| 844 | |
---|
| 845 | params = Hash.toQueryString(params); |
---|
| 846 | if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_=' |
---|
| 847 | |
---|
| 848 | // when GET, append parameters to URL |
---|
| 849 | if (this.method == 'get' && params) |
---|
| 850 | this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + params; |
---|
| 851 | |
---|
[1698] | 852 | try { |
---|
| 853 | Ajax.Responders.dispatch('onCreate', this, this.transport); |
---|
| 854 | |
---|
[1852] | 855 | this.transport.open(this.method.toUpperCase(), this.url, |
---|
[1698] | 856 | this.options.asynchronous); |
---|
| 857 | |
---|
[1852] | 858 | if (this.options.asynchronous) |
---|
| 859 | setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); |
---|
[1698] | 860 | |
---|
[1852] | 861 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
---|
[1698] | 862 | this.setRequestHeaders(); |
---|
| 863 | |
---|
[1852] | 864 | var body = this.method == 'post' ? (this.options.postBody || params) : null; |
---|
[1698] | 865 | |
---|
[1852] | 866 | this.transport.send(body); |
---|
| 867 | |
---|
| 868 | /* Force Firefox to handle ready state 4 for synchronous requests */ |
---|
| 869 | if (!this.options.asynchronous && this.transport.overrideMimeType) |
---|
| 870 | this.onStateChange(); |
---|
| 871 | |
---|
| 872 | } |
---|
| 873 | catch (e) { |
---|
[1698] | 874 | this.dispatchException(e); |
---|
| 875 | } |
---|
| 876 | }, |
---|
| 877 | |
---|
[1852] | 878 | onStateChange: function() { |
---|
| 879 | var readyState = this.transport.readyState; |
---|
| 880 | if (readyState > 1 && !((readyState == 4) && this._complete)) |
---|
| 881 | this.respondToReadyState(this.transport.readyState); |
---|
| 882 | }, |
---|
| 883 | |
---|
[1698] | 884 | setRequestHeaders: function() { |
---|
[1852] | 885 | var headers = { |
---|
| 886 | 'X-Requested-With': 'XMLHttpRequest', |
---|
| 887 | 'X-Prototype-Version': Prototype.Version, |
---|
| 888 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
---|
| 889 | }; |
---|
[1698] | 890 | |
---|
[1852] | 891 | if (this.method == 'post') { |
---|
| 892 | headers['Content-type'] = this.options.contentType + |
---|
| 893 | (this.options.encoding ? '; charset=' + this.options.encoding : ''); |
---|
[1698] | 894 | |
---|
[1852] | 895 | /* Force "Connection: close" for older Mozilla browsers to work |
---|
| 896 | * around a bug where XMLHttpRequest sends an incorrect |
---|
| 897 | * Content-length header. See Mozilla Bugzilla #246651. |
---|
[1698] | 898 | */ |
---|
[1852] | 899 | if (this.transport.overrideMimeType && |
---|
| 900 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
---|
| 901 | headers['Connection'] = 'close'; |
---|
[1698] | 902 | } |
---|
| 903 | |
---|
[1852] | 904 | // user-defined headers |
---|
| 905 | if (typeof this.options.requestHeaders == 'object') { |
---|
| 906 | var extras = this.options.requestHeaders; |
---|
[1698] | 907 | |
---|
[1852] | 908 | if (typeof extras.push == 'function') |
---|
| 909 | for (var i = 0, length = extras.length; i < length; i += 2) |
---|
| 910 | headers[extras[i]] = extras[i+1]; |
---|
| 911 | else |
---|
| 912 | $H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
---|
| 913 | } |
---|
[1698] | 914 | |
---|
[1852] | 915 | for (var name in headers) |
---|
| 916 | this.transport.setRequestHeader(name, headers[name]); |
---|
[1698] | 917 | }, |
---|
| 918 | |
---|
[1852] | 919 | success: function() { |
---|
| 920 | return !this.transport.status |
---|
| 921 | || (this.transport.status >= 200 && this.transport.status < 300); |
---|
[1698] | 922 | }, |
---|
| 923 | |
---|
| 924 | respondToReadyState: function(readyState) { |
---|
[1852] | 925 | var state = Ajax.Request.Events[readyState]; |
---|
[1698] | 926 | var transport = this.transport, json = this.evalJSON(); |
---|
| 927 | |
---|
[1852] | 928 | if (state == 'Complete') { |
---|
[1698] | 929 | try { |
---|
[1852] | 930 | this._complete = true; |
---|
[1698] | 931 | (this.options['on' + this.transport.status] |
---|
[1852] | 932 | || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
---|
[1698] | 933 | || Prototype.emptyFunction)(transport, json); |
---|
| 934 | } catch (e) { |
---|
| 935 | this.dispatchException(e); |
---|
| 936 | } |
---|
| 937 | |
---|
[1852] | 938 | if ((this.getHeader('Content-type') || 'text/javascript').strip(). |
---|
| 939 | match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) |
---|
| 940 | this.evalResponse(); |
---|
[1698] | 941 | } |
---|
| 942 | |
---|
| 943 | try { |
---|
[1852] | 944 | (this.options['on' + state] || Prototype.emptyFunction)(transport, json); |
---|
| 945 | Ajax.Responders.dispatch('on' + state, this, transport, json); |
---|
[1698] | 946 | } catch (e) { |
---|
| 947 | this.dispatchException(e); |
---|
| 948 | } |
---|
| 949 | |
---|
[1852] | 950 | if (state == 'Complete') { |
---|
| 951 | // avoid memory leak in MSIE: clean up |
---|
[1698] | 952 | this.transport.onreadystatechange = Prototype.emptyFunction; |
---|
[1852] | 953 | } |
---|
[1698] | 954 | }, |
---|
| 955 | |
---|
[1852] | 956 | getHeader: function(name) { |
---|
| 957 | try { |
---|
| 958 | return this.transport.getResponseHeader(name); |
---|
| 959 | } catch (e) { return null } |
---|
| 960 | }, |
---|
| 961 | |
---|
| 962 | evalJSON: function() { |
---|
| 963 | try { |
---|
| 964 | var json = this.getHeader('X-JSON'); |
---|
| 965 | return json ? eval('(' + json + ')') : null; |
---|
| 966 | } catch (e) { return null } |
---|
| 967 | }, |
---|
| 968 | |
---|
| 969 | evalResponse: function() { |
---|
| 970 | try { |
---|
| 971 | return eval(this.transport.responseText); |
---|
| 972 | } catch (e) { |
---|
| 973 | this.dispatchException(e); |
---|
| 974 | } |
---|
| 975 | }, |
---|
| 976 | |
---|
[1698] | 977 | dispatchException: function(exception) { |
---|
| 978 | (this.options.onException || Prototype.emptyFunction)(this, exception); |
---|
| 979 | Ajax.Responders.dispatch('onException', this, exception); |
---|
| 980 | } |
---|
| 981 | }); |
---|
| 982 | |
---|
| 983 | Ajax.Updater = Class.create(); |
---|
| 984 | |
---|
| 985 | Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { |
---|
| 986 | initialize: function(container, url, options) { |
---|
[1852] | 987 | this.container = { |
---|
| 988 | success: (container.success || container), |
---|
| 989 | failure: (container.failure || (container.success ? null : container)) |
---|
[1698] | 990 | } |
---|
| 991 | |
---|
| 992 | this.transport = Ajax.getTransport(); |
---|
| 993 | this.setOptions(options); |
---|
| 994 | |
---|
| 995 | var onComplete = this.options.onComplete || Prototype.emptyFunction; |
---|
[1852] | 996 | this.options.onComplete = (function(transport, param) { |
---|
[1698] | 997 | this.updateContent(); |
---|
[1852] | 998 | onComplete(transport, param); |
---|
[1698] | 999 | }).bind(this); |
---|
| 1000 | |
---|
| 1001 | this.request(url); |
---|
| 1002 | }, |
---|
| 1003 | |
---|
| 1004 | updateContent: function() { |
---|
[1852] | 1005 | var receiver = this.container[this.success() ? 'success' : 'failure']; |
---|
[1698] | 1006 | var response = this.transport.responseText; |
---|
| 1007 | |
---|
[1852] | 1008 | if (!this.options.evalScripts) response = response.stripScripts(); |
---|
[1698] | 1009 | |
---|
[1852] | 1010 | if (receiver = $(receiver)) { |
---|
| 1011 | if (this.options.insertion) |
---|
[1698] | 1012 | new this.options.insertion(receiver, response); |
---|
[1852] | 1013 | else |
---|
| 1014 | receiver.update(response); |
---|
[1698] | 1015 | } |
---|
| 1016 | |
---|
[1852] | 1017 | if (this.success()) { |
---|
[1698] | 1018 | if (this.onComplete) |
---|
| 1019 | setTimeout(this.onComplete.bind(this), 10); |
---|
| 1020 | } |
---|
| 1021 | } |
---|
| 1022 | }); |
---|
| 1023 | |
---|
| 1024 | Ajax.PeriodicalUpdater = Class.create(); |
---|
| 1025 | Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { |
---|
| 1026 | initialize: function(container, url, options) { |
---|
| 1027 | this.setOptions(options); |
---|
| 1028 | this.onComplete = this.options.onComplete; |
---|
| 1029 | |
---|
| 1030 | this.frequency = (this.options.frequency || 2); |
---|
| 1031 | this.decay = (this.options.decay || 1); |
---|
| 1032 | |
---|
| 1033 | this.updater = {}; |
---|
| 1034 | this.container = container; |
---|
| 1035 | this.url = url; |
---|
| 1036 | |
---|
| 1037 | this.start(); |
---|
| 1038 | }, |
---|
| 1039 | |
---|
| 1040 | start: function() { |
---|
| 1041 | this.options.onComplete = this.updateComplete.bind(this); |
---|
| 1042 | this.onTimerEvent(); |
---|
| 1043 | }, |
---|
| 1044 | |
---|
| 1045 | stop: function() { |
---|
[1852] | 1046 | this.updater.options.onComplete = undefined; |
---|
[1698] | 1047 | clearTimeout(this.timer); |
---|
| 1048 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
---|
| 1049 | }, |
---|
| 1050 | |
---|
| 1051 | updateComplete: function(request) { |
---|
| 1052 | if (this.options.decay) { |
---|
| 1053 | this.decay = (request.responseText == this.lastText ? |
---|
| 1054 | this.decay * this.options.decay : 1); |
---|
| 1055 | |
---|
| 1056 | this.lastText = request.responseText; |
---|
| 1057 | } |
---|
| 1058 | this.timer = setTimeout(this.onTimerEvent.bind(this), |
---|
| 1059 | this.decay * this.frequency * 1000); |
---|
| 1060 | }, |
---|
| 1061 | |
---|
| 1062 | onTimerEvent: function() { |
---|
| 1063 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
---|
| 1064 | } |
---|
| 1065 | }); |
---|
[1852] | 1066 | function $(element) { |
---|
| 1067 | if (arguments.length > 1) { |
---|
| 1068 | for (var i = 0, elements = [], length = arguments.length; i < length; i++) |
---|
| 1069 | elements.push($(arguments[i])); |
---|
[1698] | 1070 | return elements; |
---|
[1852] | 1071 | } |
---|
| 1072 | if (typeof element == 'string') |
---|
| 1073 | element = document.getElementById(element); |
---|
| 1074 | return Element.extend(element); |
---|
[1698] | 1075 | } |
---|
| 1076 | |
---|
[1852] | 1077 | if (Prototype.BrowserFeatures.XPath) { |
---|
| 1078 | document._getElementsByXPath = function(expression, parentElement) { |
---|
| 1079 | var results = []; |
---|
| 1080 | var query = document.evaluate(expression, $(parentElement) || document, |
---|
| 1081 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
---|
| 1082 | for (var i = 0, length = query.snapshotLength; i < length; i++) |
---|
| 1083 | results.push(query.snapshotItem(i)); |
---|
| 1084 | return results; |
---|
| 1085 | }; |
---|
| 1086 | } |
---|
| 1087 | |
---|
| 1088 | document.getElementsByClassName = function(className, parentElement) { |
---|
| 1089 | if (Prototype.BrowserFeatures.XPath) { |
---|
| 1090 | var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; |
---|
| 1091 | return document._getElementsByXPath(q, parentElement); |
---|
| 1092 | } else { |
---|
| 1093 | var children = ($(parentElement) || document.body).getElementsByTagName('*'); |
---|
| 1094 | var elements = [], child; |
---|
| 1095 | for (var i = 0, length = children.length; i < length; i++) { |
---|
| 1096 | child = children[i]; |
---|
| 1097 | if (Element.hasClassName(child, className)) |
---|
| 1098 | elements.push(Element.extend(child)); |
---|
| 1099 | } |
---|
| 1100 | return elements; |
---|
| 1101 | } |
---|
| 1102 | }; |
---|
| 1103 | |
---|
[1698] | 1104 | /*--------------------------------------------------------------------------*/ |
---|
| 1105 | |
---|
[1852] | 1106 | if (!window.Element) |
---|
[1698] | 1107 | var Element = new Object(); |
---|
| 1108 | |
---|
[1852] | 1109 | Element.extend = function(element) { |
---|
| 1110 | if (!element || _nativeExtensions || element.nodeType == 3) return element; |
---|
| 1111 | |
---|
| 1112 | if (!element._extended && element.tagName && element != window) { |
---|
| 1113 | var methods = Object.clone(Element.Methods), cache = Element.extend.cache; |
---|
| 1114 | |
---|
| 1115 | if (element.tagName == 'FORM') |
---|
| 1116 | Object.extend(methods, Form.Methods); |
---|
| 1117 | if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName)) |
---|
| 1118 | Object.extend(methods, Form.Element.Methods); |
---|
| 1119 | |
---|
| 1120 | Object.extend(methods, Element.Methods.Simulated); |
---|
| 1121 | |
---|
| 1122 | for (var property in methods) { |
---|
| 1123 | var value = methods[property]; |
---|
| 1124 | if (typeof value == 'function' && !(property in element)) |
---|
| 1125 | element[property] = cache.findOrStore(value); |
---|
| 1126 | } |
---|
| 1127 | } |
---|
| 1128 | |
---|
| 1129 | element._extended = true; |
---|
| 1130 | return element; |
---|
| 1131 | }; |
---|
| 1132 | |
---|
| 1133 | Element.extend.cache = { |
---|
| 1134 | findOrStore: function(value) { |
---|
| 1135 | return this[value] = this[value] || function() { |
---|
| 1136 | return value.apply(null, [this].concat($A(arguments))); |
---|
| 1137 | } |
---|
| 1138 | } |
---|
| 1139 | }; |
---|
| 1140 | |
---|
| 1141 | Element.Methods = { |
---|
[1698] | 1142 | visible: function(element) { |
---|
| 1143 | return $(element).style.display != 'none'; |
---|
| 1144 | }, |
---|
| 1145 | |
---|
[1852] | 1146 | toggle: function(element) { |
---|
| 1147 | element = $(element); |
---|
| 1148 | Element[Element.visible(element) ? 'hide' : 'show'](element); |
---|
| 1149 | return element; |
---|
[1698] | 1150 | }, |
---|
| 1151 | |
---|
[1852] | 1152 | hide: function(element) { |
---|
| 1153 | $(element).style.display = 'none'; |
---|
| 1154 | return element; |
---|
[1698] | 1155 | }, |
---|
| 1156 | |
---|
[1852] | 1157 | show: function(element) { |
---|
| 1158 | $(element).style.display = ''; |
---|
| 1159 | return element; |
---|
[1698] | 1160 | }, |
---|
| 1161 | |
---|
| 1162 | remove: function(element) { |
---|
| 1163 | element = $(element); |
---|
| 1164 | element.parentNode.removeChild(element); |
---|
[1852] | 1165 | return element; |
---|
[1698] | 1166 | }, |
---|
| 1167 | |
---|
| 1168 | update: function(element, html) { |
---|
[1852] | 1169 | html = typeof html == 'undefined' ? '' : html.toString(); |
---|
[1698] | 1170 | $(element).innerHTML = html.stripScripts(); |
---|
| 1171 | setTimeout(function() {html.evalScripts()}, 10); |
---|
[1852] | 1172 | return element; |
---|
[1698] | 1173 | }, |
---|
| 1174 | |
---|
[1852] | 1175 | replace: function(element, html) { |
---|
[1698] | 1176 | element = $(element); |
---|
[1852] | 1177 | html = typeof html == 'undefined' ? '' : html.toString(); |
---|
| 1178 | if (element.outerHTML) { |
---|
| 1179 | element.outerHTML = html.stripScripts(); |
---|
| 1180 | } else { |
---|
| 1181 | var range = element.ownerDocument.createRange(); |
---|
| 1182 | range.selectNodeContents(element); |
---|
| 1183 | element.parentNode.replaceChild( |
---|
| 1184 | range.createContextualFragment(html.stripScripts()), element); |
---|
| 1185 | } |
---|
| 1186 | setTimeout(function() {html.evalScripts()}, 10); |
---|
| 1187 | return element; |
---|
[1698] | 1188 | }, |
---|
| 1189 | |
---|
[1852] | 1190 | inspect: function(element) { |
---|
| 1191 | element = $(element); |
---|
| 1192 | var result = '<' + element.tagName.toLowerCase(); |
---|
| 1193 | $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
---|
| 1194 | var property = pair.first(), attribute = pair.last(); |
---|
| 1195 | var value = (element[property] || '').toString(); |
---|
| 1196 | if (value) result += ' ' + attribute + '=' + value.inspect(true); |
---|
| 1197 | }); |
---|
| 1198 | return result + '>'; |
---|
| 1199 | }, |
---|
| 1200 | |
---|
| 1201 | recursivelyCollect: function(element, property) { |
---|
| 1202 | element = $(element); |
---|
| 1203 | var elements = []; |
---|
| 1204 | while (element = element[property]) |
---|
| 1205 | if (element.nodeType == 1) |
---|
| 1206 | elements.push(Element.extend(element)); |
---|
| 1207 | return elements; |
---|
| 1208 | }, |
---|
| 1209 | |
---|
| 1210 | ancestors: function(element) { |
---|
| 1211 | return $(element).recursivelyCollect('parentNode'); |
---|
| 1212 | }, |
---|
| 1213 | |
---|
| 1214 | descendants: function(element) { |
---|
| 1215 | return $A($(element).getElementsByTagName('*')); |
---|
| 1216 | }, |
---|
| 1217 | |
---|
| 1218 | immediateDescendants: function(element) { |
---|
| 1219 | if (!(element = $(element).firstChild)) return []; |
---|
| 1220 | while (element && element.nodeType != 1) element = element.nextSibling; |
---|
| 1221 | if (element) return [element].concat($(element).nextSiblings()); |
---|
| 1222 | return []; |
---|
| 1223 | }, |
---|
| 1224 | |
---|
| 1225 | previousSiblings: function(element) { |
---|
| 1226 | return $(element).recursivelyCollect('previousSibling'); |
---|
| 1227 | }, |
---|
| 1228 | |
---|
| 1229 | nextSiblings: function(element) { |
---|
| 1230 | return $(element).recursivelyCollect('nextSibling'); |
---|
| 1231 | }, |
---|
| 1232 | |
---|
| 1233 | siblings: function(element) { |
---|
| 1234 | element = $(element); |
---|
| 1235 | return element.previousSiblings().reverse().concat(element.nextSiblings()); |
---|
| 1236 | }, |
---|
| 1237 | |
---|
| 1238 | match: function(element, selector) { |
---|
| 1239 | if (typeof selector == 'string') |
---|
| 1240 | selector = new Selector(selector); |
---|
| 1241 | return selector.match($(element)); |
---|
| 1242 | }, |
---|
| 1243 | |
---|
| 1244 | up: function(element, expression, index) { |
---|
| 1245 | return Selector.findElement($(element).ancestors(), expression, index); |
---|
| 1246 | }, |
---|
| 1247 | |
---|
| 1248 | down: function(element, expression, index) { |
---|
| 1249 | return Selector.findElement($(element).descendants(), expression, index); |
---|
| 1250 | }, |
---|
| 1251 | |
---|
| 1252 | previous: function(element, expression, index) { |
---|
| 1253 | return Selector.findElement($(element).previousSiblings(), expression, index); |
---|
| 1254 | }, |
---|
| 1255 | |
---|
| 1256 | next: function(element, expression, index) { |
---|
| 1257 | return Selector.findElement($(element).nextSiblings(), expression, index); |
---|
| 1258 | }, |
---|
| 1259 | |
---|
| 1260 | getElementsBySelector: function() { |
---|
| 1261 | var args = $A(arguments), element = $(args.shift()); |
---|
| 1262 | return Selector.findChildElements(element, args); |
---|
| 1263 | }, |
---|
| 1264 | |
---|
| 1265 | getElementsByClassName: function(element, className) { |
---|
| 1266 | return document.getElementsByClassName(className, element); |
---|
| 1267 | }, |
---|
| 1268 | |
---|
| 1269 | readAttribute: function(element, name) { |
---|
| 1270 | element = $(element); |
---|
| 1271 | if (document.all && !window.opera) { |
---|
| 1272 | var t = Element._attributeTranslations; |
---|
| 1273 | if (t.values[name]) return t.values[name](element, name); |
---|
| 1274 | if (t.names[name]) name = t.names[name]; |
---|
| 1275 | var attribute = element.attributes[name]; |
---|
| 1276 | if(attribute) return attribute.nodeValue; |
---|
| 1277 | } |
---|
| 1278 | return element.getAttribute(name); |
---|
| 1279 | }, |
---|
| 1280 | |
---|
| 1281 | getHeight: function(element) { |
---|
| 1282 | return $(element).getDimensions().height; |
---|
| 1283 | }, |
---|
| 1284 | |
---|
| 1285 | getWidth: function(element) { |
---|
| 1286 | return $(element).getDimensions().width; |
---|
| 1287 | }, |
---|
| 1288 | |
---|
[1698] | 1289 | classNames: function(element) { |
---|
| 1290 | return new Element.ClassNames(element); |
---|
| 1291 | }, |
---|
| 1292 | |
---|
| 1293 | hasClassName: function(element, className) { |
---|
| 1294 | if (!(element = $(element))) return; |
---|
[1852] | 1295 | var elementClassName = element.className; |
---|
| 1296 | if (elementClassName.length == 0) return false; |
---|
| 1297 | if (elementClassName == className || |
---|
| 1298 | elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) |
---|
| 1299 | return true; |
---|
| 1300 | return false; |
---|
[1698] | 1301 | }, |
---|
| 1302 | |
---|
| 1303 | addClassName: function(element, className) { |
---|
| 1304 | if (!(element = $(element))) return; |
---|
[1852] | 1305 | Element.classNames(element).add(className); |
---|
| 1306 | return element; |
---|
[1698] | 1307 | }, |
---|
| 1308 | |
---|
| 1309 | removeClassName: function(element, className) { |
---|
| 1310 | if (!(element = $(element))) return; |
---|
[1852] | 1311 | Element.classNames(element).remove(className); |
---|
| 1312 | return element; |
---|
[1698] | 1313 | }, |
---|
| 1314 | |
---|
[1852] | 1315 | toggleClassName: function(element, className) { |
---|
| 1316 | if (!(element = $(element))) return; |
---|
| 1317 | Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className); |
---|
| 1318 | return element; |
---|
| 1319 | }, |
---|
| 1320 | |
---|
| 1321 | observe: function() { |
---|
| 1322 | Event.observe.apply(Event, arguments); |
---|
| 1323 | return $A(arguments).first(); |
---|
| 1324 | }, |
---|
| 1325 | |
---|
| 1326 | stopObserving: function() { |
---|
| 1327 | Event.stopObserving.apply(Event, arguments); |
---|
| 1328 | return $A(arguments).first(); |
---|
| 1329 | }, |
---|
| 1330 | |
---|
[1698] | 1331 | // removes whitespace-only text node children |
---|
| 1332 | cleanWhitespace: function(element) { |
---|
| 1333 | element = $(element); |
---|
[1852] | 1334 | var node = element.firstChild; |
---|
| 1335 | while (node) { |
---|
| 1336 | var nextNode = node.nextSibling; |
---|
[1698] | 1337 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
---|
[1852] | 1338 | element.removeChild(node); |
---|
| 1339 | node = nextNode; |
---|
[1698] | 1340 | } |
---|
[1852] | 1341 | return element; |
---|
[1698] | 1342 | }, |
---|
| 1343 | |
---|
| 1344 | empty: function(element) { |
---|
| 1345 | return $(element).innerHTML.match(/^\s*$/); |
---|
| 1346 | }, |
---|
| 1347 | |
---|
[1852] | 1348 | descendantOf: function(element, ancestor) { |
---|
| 1349 | element = $(element), ancestor = $(ancestor); |
---|
| 1350 | while (element = element.parentNode) |
---|
| 1351 | if (element == ancestor) return true; |
---|
| 1352 | return false; |
---|
| 1353 | }, |
---|
| 1354 | |
---|
[1698] | 1355 | scrollTo: function(element) { |
---|
| 1356 | element = $(element); |
---|
[1852] | 1357 | var pos = Position.cumulativeOffset(element); |
---|
| 1358 | window.scrollTo(pos[0], pos[1]); |
---|
| 1359 | return element; |
---|
[1698] | 1360 | }, |
---|
| 1361 | |
---|
| 1362 | getStyle: function(element, style) { |
---|
| 1363 | element = $(element); |
---|
[1852] | 1364 | if (['float','cssFloat'].include(style)) |
---|
| 1365 | style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat'); |
---|
| 1366 | style = style.camelize(); |
---|
| 1367 | var value = element.style[style]; |
---|
[1698] | 1368 | if (!value) { |
---|
| 1369 | if (document.defaultView && document.defaultView.getComputedStyle) { |
---|
| 1370 | var css = document.defaultView.getComputedStyle(element, null); |
---|
[1852] | 1371 | value = css ? css[style] : null; |
---|
[1698] | 1372 | } else if (element.currentStyle) { |
---|
[1852] | 1373 | value = element.currentStyle[style]; |
---|
[1698] | 1374 | } |
---|
| 1375 | } |
---|
| 1376 | |
---|
[1852] | 1377 | if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none')) |
---|
| 1378 | value = element['offset'+style.capitalize()] + 'px'; |
---|
| 1379 | |
---|
[1698] | 1380 | if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) |
---|
| 1381 | if (Element.getStyle(element, 'position') == 'static') value = 'auto'; |
---|
[1852] | 1382 | if(style == 'opacity') { |
---|
| 1383 | if(value) return parseFloat(value); |
---|
| 1384 | if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
---|
| 1385 | if(value[1]) return parseFloat(value[1]) / 100; |
---|
| 1386 | return 1.0; |
---|
| 1387 | } |
---|
[1698] | 1388 | return value == 'auto' ? null : value; |
---|
| 1389 | }, |
---|
| 1390 | |
---|
| 1391 | setStyle: function(element, style) { |
---|
| 1392 | element = $(element); |
---|
[1852] | 1393 | for (var name in style) { |
---|
| 1394 | var value = style[name]; |
---|
| 1395 | if(name == 'opacity') { |
---|
| 1396 | if (value == 1) { |
---|
| 1397 | value = (/Gecko/.test(navigator.userAgent) && |
---|
| 1398 | !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0; |
---|
| 1399 | if(/MSIE/.test(navigator.userAgent) && !window.opera) |
---|
| 1400 | element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); |
---|
| 1401 | } else if(value == '') { |
---|
| 1402 | if(/MSIE/.test(navigator.userAgent) && !window.opera) |
---|
| 1403 | element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); |
---|
| 1404 | } else { |
---|
| 1405 | if(value < 0.00001) value = 0; |
---|
| 1406 | if(/MSIE/.test(navigator.userAgent) && !window.opera) |
---|
| 1407 | element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') + |
---|
| 1408 | 'alpha(opacity='+value*100+')'; |
---|
| 1409 | } |
---|
| 1410 | } else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat'; |
---|
| 1411 | element.style[name.camelize()] = value; |
---|
| 1412 | } |
---|
| 1413 | return element; |
---|
[1698] | 1414 | }, |
---|
| 1415 | |
---|
| 1416 | getDimensions: function(element) { |
---|
| 1417 | element = $(element); |
---|
[1852] | 1418 | var display = $(element).getStyle('display'); |
---|
| 1419 | if (display != 'none' && display != null) // Safari bug |
---|
[1698] | 1420 | return {width: element.offsetWidth, height: element.offsetHeight}; |
---|
| 1421 | |
---|
| 1422 | // All *Width and *Height properties give 0 on elements with display none, |
---|
| 1423 | // so enable the element temporarily |
---|
| 1424 | var els = element.style; |
---|
| 1425 | var originalVisibility = els.visibility; |
---|
| 1426 | var originalPosition = els.position; |
---|
[1852] | 1427 | var originalDisplay = els.display; |
---|
[1698] | 1428 | els.visibility = 'hidden'; |
---|
| 1429 | els.position = 'absolute'; |
---|
[1852] | 1430 | els.display = 'block'; |
---|
[1698] | 1431 | var originalWidth = element.clientWidth; |
---|
| 1432 | var originalHeight = element.clientHeight; |
---|
[1852] | 1433 | els.display = originalDisplay; |
---|
[1698] | 1434 | els.position = originalPosition; |
---|
| 1435 | els.visibility = originalVisibility; |
---|
| 1436 | return {width: originalWidth, height: originalHeight}; |
---|
| 1437 | }, |
---|
| 1438 | |
---|
| 1439 | makePositioned: function(element) { |
---|
| 1440 | element = $(element); |
---|
| 1441 | var pos = Element.getStyle(element, 'position'); |
---|
| 1442 | if (pos == 'static' || !pos) { |
---|
| 1443 | element._madePositioned = true; |
---|
| 1444 | element.style.position = 'relative'; |
---|
| 1445 | // Opera returns the offset relative to the positioning context, when an |
---|
| 1446 | // element is position relative but top and left have not been defined |
---|
| 1447 | if (window.opera) { |
---|
| 1448 | element.style.top = 0; |
---|
| 1449 | element.style.left = 0; |
---|
| 1450 | } |
---|
| 1451 | } |
---|
[1852] | 1452 | return element; |
---|
[1698] | 1453 | }, |
---|
| 1454 | |
---|
| 1455 | undoPositioned: function(element) { |
---|
| 1456 | element = $(element); |
---|
| 1457 | if (element._madePositioned) { |
---|
| 1458 | element._madePositioned = undefined; |
---|
| 1459 | element.style.position = |
---|
| 1460 | element.style.top = |
---|
| 1461 | element.style.left = |
---|
| 1462 | element.style.bottom = |
---|
| 1463 | element.style.right = ''; |
---|
| 1464 | } |
---|
[1852] | 1465 | return element; |
---|
[1698] | 1466 | }, |
---|
| 1467 | |
---|
| 1468 | makeClipping: function(element) { |
---|
| 1469 | element = $(element); |
---|
[1852] | 1470 | if (element._overflow) return element; |
---|
| 1471 | element._overflow = element.style.overflow || 'auto'; |
---|
[1698] | 1472 | if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') |
---|
| 1473 | element.style.overflow = 'hidden'; |
---|
[1852] | 1474 | return element; |
---|
[1698] | 1475 | }, |
---|
| 1476 | |
---|
| 1477 | undoClipping: function(element) { |
---|
| 1478 | element = $(element); |
---|
[1852] | 1479 | if (!element._overflow) return element; |
---|
| 1480 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
---|
| 1481 | element._overflow = null; |
---|
| 1482 | return element; |
---|
[1698] | 1483 | } |
---|
[1852] | 1484 | }; |
---|
| 1485 | |
---|
| 1486 | Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf}); |
---|
| 1487 | |
---|
| 1488 | Element._attributeTranslations = {}; |
---|
| 1489 | |
---|
| 1490 | Element._attributeTranslations.names = { |
---|
| 1491 | colspan: "colSpan", |
---|
| 1492 | rowspan: "rowSpan", |
---|
| 1493 | valign: "vAlign", |
---|
| 1494 | datetime: "dateTime", |
---|
| 1495 | accesskey: "accessKey", |
---|
| 1496 | tabindex: "tabIndex", |
---|
| 1497 | enctype: "encType", |
---|
| 1498 | maxlength: "maxLength", |
---|
| 1499 | readonly: "readOnly", |
---|
| 1500 | longdesc: "longDesc" |
---|
| 1501 | }; |
---|
| 1502 | |
---|
| 1503 | Element._attributeTranslations.values = { |
---|
| 1504 | _getAttr: function(element, attribute) { |
---|
| 1505 | return element.getAttribute(attribute, 2); |
---|
| 1506 | }, |
---|
| 1507 | |
---|
| 1508 | _flag: function(element, attribute) { |
---|
| 1509 | return $(element).hasAttribute(attribute) ? attribute : null; |
---|
| 1510 | }, |
---|
| 1511 | |
---|
| 1512 | style: function(element) { |
---|
| 1513 | return element.style.cssText.toLowerCase(); |
---|
| 1514 | }, |
---|
| 1515 | |
---|
| 1516 | title: function(element) { |
---|
| 1517 | var node = element.getAttributeNode('title'); |
---|
| 1518 | return node.specified ? node.nodeValue : null; |
---|
| 1519 | } |
---|
| 1520 | }; |
---|
| 1521 | |
---|
| 1522 | Object.extend(Element._attributeTranslations.values, { |
---|
| 1523 | href: Element._attributeTranslations.values._getAttr, |
---|
| 1524 | src: Element._attributeTranslations.values._getAttr, |
---|
| 1525 | disabled: Element._attributeTranslations.values._flag, |
---|
| 1526 | checked: Element._attributeTranslations.values._flag, |
---|
| 1527 | readonly: Element._attributeTranslations.values._flag, |
---|
| 1528 | multiple: Element._attributeTranslations.values._flag |
---|
[1698] | 1529 | }); |
---|
| 1530 | |
---|
[1852] | 1531 | Element.Methods.Simulated = { |
---|
| 1532 | hasAttribute: function(element, attribute) { |
---|
| 1533 | var t = Element._attributeTranslations; |
---|
| 1534 | attribute = t.names[attribute] || attribute; |
---|
| 1535 | return $(element).getAttributeNode(attribute).specified; |
---|
| 1536 | } |
---|
| 1537 | }; |
---|
| 1538 | |
---|
| 1539 | // IE is missing .innerHTML support for TABLE-related elements |
---|
| 1540 | if (document.all && !window.opera){ |
---|
| 1541 | Element.Methods.update = function(element, html) { |
---|
| 1542 | element = $(element); |
---|
| 1543 | html = typeof html == 'undefined' ? '' : html.toString(); |
---|
| 1544 | var tagName = element.tagName.toUpperCase(); |
---|
| 1545 | if (['THEAD','TBODY','TR','TD'].include(tagName)) { |
---|
| 1546 | var div = document.createElement('div'); |
---|
| 1547 | switch (tagName) { |
---|
| 1548 | case 'THEAD': |
---|
| 1549 | case 'TBODY': |
---|
| 1550 | div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>'; |
---|
| 1551 | depth = 2; |
---|
| 1552 | break; |
---|
| 1553 | case 'TR': |
---|
| 1554 | div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>'; |
---|
| 1555 | depth = 3; |
---|
| 1556 | break; |
---|
| 1557 | case 'TD': |
---|
| 1558 | div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>'; |
---|
| 1559 | depth = 4; |
---|
| 1560 | } |
---|
| 1561 | $A(element.childNodes).each(function(node){ |
---|
| 1562 | element.removeChild(node) |
---|
| 1563 | }); |
---|
| 1564 | depth.times(function(){ div = div.firstChild }); |
---|
| 1565 | |
---|
| 1566 | $A(div.childNodes).each( |
---|
| 1567 | function(node){ element.appendChild(node) }); |
---|
| 1568 | } else { |
---|
| 1569 | element.innerHTML = html.stripScripts(); |
---|
| 1570 | } |
---|
| 1571 | setTimeout(function() {html.evalScripts()}, 10); |
---|
| 1572 | return element; |
---|
| 1573 | } |
---|
| 1574 | }; |
---|
| 1575 | |
---|
| 1576 | Object.extend(Element, Element.Methods); |
---|
| 1577 | |
---|
| 1578 | var _nativeExtensions = false; |
---|
| 1579 | |
---|
| 1580 | if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
---|
| 1581 | ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) { |
---|
| 1582 | var className = 'HTML' + tag + 'Element'; |
---|
| 1583 | if(window[className]) return; |
---|
| 1584 | var klass = window[className] = {}; |
---|
| 1585 | klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__; |
---|
| 1586 | }); |
---|
| 1587 | |
---|
| 1588 | Element.addMethods = function(methods) { |
---|
| 1589 | Object.extend(Element.Methods, methods || {}); |
---|
| 1590 | |
---|
| 1591 | function copy(methods, destination, onlyIfAbsent) { |
---|
| 1592 | onlyIfAbsent = onlyIfAbsent || false; |
---|
| 1593 | var cache = Element.extend.cache; |
---|
| 1594 | for (var property in methods) { |
---|
| 1595 | var value = methods[property]; |
---|
| 1596 | if (!onlyIfAbsent || !(property in destination)) |
---|
| 1597 | destination[property] = cache.findOrStore(value); |
---|
| 1598 | } |
---|
| 1599 | } |
---|
| 1600 | |
---|
| 1601 | if (typeof HTMLElement != 'undefined') { |
---|
| 1602 | copy(Element.Methods, HTMLElement.prototype); |
---|
| 1603 | copy(Element.Methods.Simulated, HTMLElement.prototype, true); |
---|
| 1604 | copy(Form.Methods, HTMLFormElement.prototype); |
---|
| 1605 | [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) { |
---|
| 1606 | copy(Form.Element.Methods, klass.prototype); |
---|
| 1607 | }); |
---|
| 1608 | _nativeExtensions = true; |
---|
| 1609 | } |
---|
| 1610 | } |
---|
| 1611 | |
---|
[1698] | 1612 | var Toggle = new Object(); |
---|
| 1613 | Toggle.display = Element.toggle; |
---|
| 1614 | |
---|
| 1615 | /*--------------------------------------------------------------------------*/ |
---|
| 1616 | |
---|
| 1617 | Abstract.Insertion = function(adjacency) { |
---|
| 1618 | this.adjacency = adjacency; |
---|
| 1619 | } |
---|
| 1620 | |
---|
| 1621 | Abstract.Insertion.prototype = { |
---|
| 1622 | initialize: function(element, content) { |
---|
| 1623 | this.element = $(element); |
---|
| 1624 | this.content = content.stripScripts(); |
---|
| 1625 | |
---|
| 1626 | if (this.adjacency && this.element.insertAdjacentHTML) { |
---|
| 1627 | try { |
---|
| 1628 | this.element.insertAdjacentHTML(this.adjacency, this.content); |
---|
| 1629 | } catch (e) { |
---|
[1852] | 1630 | var tagName = this.element.tagName.toUpperCase(); |
---|
| 1631 | if (['TBODY', 'TR'].include(tagName)) { |
---|
[1698] | 1632 | this.insertContent(this.contentFromAnonymousTable()); |
---|
| 1633 | } else { |
---|
| 1634 | throw e; |
---|
| 1635 | } |
---|
| 1636 | } |
---|
| 1637 | } else { |
---|
| 1638 | this.range = this.element.ownerDocument.createRange(); |
---|
| 1639 | if (this.initializeRange) this.initializeRange(); |
---|
| 1640 | this.insertContent([this.range.createContextualFragment(this.content)]); |
---|
| 1641 | } |
---|
| 1642 | |
---|
| 1643 | setTimeout(function() {content.evalScripts()}, 10); |
---|
| 1644 | }, |
---|
| 1645 | |
---|
| 1646 | contentFromAnonymousTable: function() { |
---|
| 1647 | var div = document.createElement('div'); |
---|
| 1648 | div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; |
---|
| 1649 | return $A(div.childNodes[0].childNodes[0].childNodes); |
---|
| 1650 | } |
---|
| 1651 | } |
---|
| 1652 | |
---|
| 1653 | var Insertion = new Object(); |
---|
| 1654 | |
---|
| 1655 | Insertion.Before = Class.create(); |
---|
| 1656 | Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { |
---|
| 1657 | initializeRange: function() { |
---|
| 1658 | this.range.setStartBefore(this.element); |
---|
| 1659 | }, |
---|
| 1660 | |
---|
| 1661 | insertContent: function(fragments) { |
---|
| 1662 | fragments.each((function(fragment) { |
---|
| 1663 | this.element.parentNode.insertBefore(fragment, this.element); |
---|
| 1664 | }).bind(this)); |
---|
| 1665 | } |
---|
| 1666 | }); |
---|
| 1667 | |
---|
| 1668 | Insertion.Top = Class.create(); |
---|
| 1669 | Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { |
---|
| 1670 | initializeRange: function() { |
---|
| 1671 | this.range.selectNodeContents(this.element); |
---|
| 1672 | this.range.collapse(true); |
---|
| 1673 | }, |
---|
| 1674 | |
---|
| 1675 | insertContent: function(fragments) { |
---|
| 1676 | fragments.reverse(false).each((function(fragment) { |
---|
| 1677 | this.element.insertBefore(fragment, this.element.firstChild); |
---|
| 1678 | }).bind(this)); |
---|
| 1679 | } |
---|
| 1680 | }); |
---|
| 1681 | |
---|
| 1682 | Insertion.Bottom = Class.create(); |
---|
| 1683 | Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { |
---|
| 1684 | initializeRange: function() { |
---|
| 1685 | this.range.selectNodeContents(this.element); |
---|
| 1686 | this.range.collapse(this.element); |
---|
| 1687 | }, |
---|
| 1688 | |
---|
| 1689 | insertContent: function(fragments) { |
---|
| 1690 | fragments.each((function(fragment) { |
---|
| 1691 | this.element.appendChild(fragment); |
---|
| 1692 | }).bind(this)); |
---|
| 1693 | } |
---|
| 1694 | }); |
---|
| 1695 | |
---|
| 1696 | Insertion.After = Class.create(); |
---|
| 1697 | Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { |
---|
| 1698 | initializeRange: function() { |
---|
| 1699 | this.range.setStartAfter(this.element); |
---|
| 1700 | }, |
---|
| 1701 | |
---|
| 1702 | insertContent: function(fragments) { |
---|
| 1703 | fragments.each((function(fragment) { |
---|
| 1704 | this.element.parentNode.insertBefore(fragment, |
---|
| 1705 | this.element.nextSibling); |
---|
| 1706 | }).bind(this)); |
---|
| 1707 | } |
---|
| 1708 | }); |
---|
| 1709 | |
---|
| 1710 | /*--------------------------------------------------------------------------*/ |
---|
| 1711 | |
---|
| 1712 | Element.ClassNames = Class.create(); |
---|
| 1713 | Element.ClassNames.prototype = { |
---|
| 1714 | initialize: function(element) { |
---|
| 1715 | this.element = $(element); |
---|
| 1716 | }, |
---|
| 1717 | |
---|
| 1718 | _each: function(iterator) { |
---|
| 1719 | this.element.className.split(/\s+/).select(function(name) { |
---|
| 1720 | return name.length > 0; |
---|
| 1721 | })._each(iterator); |
---|
| 1722 | }, |
---|
| 1723 | |
---|
| 1724 | set: function(className) { |
---|
| 1725 | this.element.className = className; |
---|
| 1726 | }, |
---|
| 1727 | |
---|
| 1728 | add: function(classNameToAdd) { |
---|
| 1729 | if (this.include(classNameToAdd)) return; |
---|
[1852] | 1730 | this.set($A(this).concat(classNameToAdd).join(' ')); |
---|
[1698] | 1731 | }, |
---|
| 1732 | |
---|
| 1733 | remove: function(classNameToRemove) { |
---|
| 1734 | if (!this.include(classNameToRemove)) return; |
---|
[1852] | 1735 | this.set($A(this).without(classNameToRemove).join(' ')); |
---|
[1698] | 1736 | }, |
---|
| 1737 | |
---|
| 1738 | toString: function() { |
---|
[1852] | 1739 | return $A(this).join(' '); |
---|
[1698] | 1740 | } |
---|
[1852] | 1741 | }; |
---|
[1698] | 1742 | |
---|
| 1743 | Object.extend(Element.ClassNames.prototype, Enumerable); |
---|
[1852] | 1744 | var Selector = Class.create(); |
---|
| 1745 | Selector.prototype = { |
---|
| 1746 | initialize: function(expression) { |
---|
| 1747 | this.params = {classNames: []}; |
---|
| 1748 | this.expression = expression.toString().strip(); |
---|
| 1749 | this.parseExpression(); |
---|
| 1750 | this.compileMatcher(); |
---|
[1698] | 1751 | }, |
---|
| 1752 | |
---|
[1852] | 1753 | parseExpression: function() { |
---|
| 1754 | function abort(message) { throw 'Parse error in selector: ' + message; } |
---|
| 1755 | |
---|
| 1756 | if (this.expression == '') abort('empty expression'); |
---|
| 1757 | |
---|
| 1758 | var params = this.params, expr = this.expression, match, modifier, clause, rest; |
---|
| 1759 | while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) { |
---|
| 1760 | params.attributes = params.attributes || []; |
---|
| 1761 | params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); |
---|
| 1762 | expr = match[1]; |
---|
| 1763 | } |
---|
| 1764 | |
---|
| 1765 | if (expr == '*') return this.params.wildcard = true; |
---|
| 1766 | |
---|
| 1767 | while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) { |
---|
| 1768 | modifier = match[1], clause = match[2], rest = match[3]; |
---|
| 1769 | switch (modifier) { |
---|
| 1770 | case '#': params.id = clause; break; |
---|
| 1771 | case '.': params.classNames.push(clause); break; |
---|
| 1772 | case '': |
---|
| 1773 | case undefined: params.tagName = clause.toUpperCase(); break; |
---|
| 1774 | default: abort(expr.inspect()); |
---|
| 1775 | } |
---|
| 1776 | expr = rest; |
---|
| 1777 | } |
---|
| 1778 | |
---|
| 1779 | if (expr.length > 0) abort(expr.inspect()); |
---|
[1698] | 1780 | }, |
---|
| 1781 | |
---|
[1852] | 1782 | buildMatchExpression: function() { |
---|
| 1783 | var params = this.params, conditions = [], clause; |
---|
| 1784 | |
---|
| 1785 | if (params.wildcard) |
---|
| 1786 | conditions.push('true'); |
---|
| 1787 | if (clause = params.id) |
---|
| 1788 | conditions.push('element.readAttribute("id") == ' + clause.inspect()); |
---|
| 1789 | if (clause = params.tagName) |
---|
| 1790 | conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); |
---|
| 1791 | if ((clause = params.classNames).length > 0) |
---|
| 1792 | for (var i = 0, length = clause.length; i < length; i++) |
---|
| 1793 | conditions.push('element.hasClassName(' + clause[i].inspect() + ')'); |
---|
| 1794 | if (clause = params.attributes) { |
---|
| 1795 | clause.each(function(attribute) { |
---|
| 1796 | var value = 'element.readAttribute(' + attribute.name.inspect() + ')'; |
---|
| 1797 | var splitValueBy = function(delimiter) { |
---|
| 1798 | return value + ' && ' + value + '.split(' + delimiter.inspect() + ')'; |
---|
| 1799 | } |
---|
| 1800 | |
---|
| 1801 | switch (attribute.operator) { |
---|
| 1802 | case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break; |
---|
| 1803 | case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break; |
---|
| 1804 | case '|=': conditions.push( |
---|
| 1805 | splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect() |
---|
| 1806 | ); break; |
---|
| 1807 | case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break; |
---|
| 1808 | case '': |
---|
| 1809 | case undefined: conditions.push('element.hasAttribute(' + attribute.name.inspect() + ')'); break; |
---|
| 1810 | default: throw 'Unknown operator ' + attribute.operator + ' in selector'; |
---|
| 1811 | } |
---|
| 1812 | }); |
---|
| 1813 | } |
---|
| 1814 | |
---|
| 1815 | return conditions.join(' && '); |
---|
[1698] | 1816 | }, |
---|
| 1817 | |
---|
[1852] | 1818 | compileMatcher: function() { |
---|
| 1819 | this.match = new Function('element', 'if (!element.tagName) return false; \ |
---|
| 1820 | element = $(element); \ |
---|
| 1821 | return ' + this.buildMatchExpression()); |
---|
[1698] | 1822 | }, |
---|
| 1823 | |
---|
[1852] | 1824 | findElements: function(scope) { |
---|
| 1825 | var element; |
---|
| 1826 | |
---|
| 1827 | if (element = $(this.params.id)) |
---|
| 1828 | if (this.match(element)) |
---|
| 1829 | if (!scope || Element.childOf(element, scope)) |
---|
| 1830 | return [element]; |
---|
| 1831 | |
---|
| 1832 | scope = (scope || document).getElementsByTagName(this.params.tagName || '*'); |
---|
| 1833 | |
---|
| 1834 | var results = []; |
---|
| 1835 | for (var i = 0, length = scope.length; i < length; i++) |
---|
| 1836 | if (this.match(element = scope[i])) |
---|
| 1837 | results.push(Element.extend(element)); |
---|
| 1838 | |
---|
| 1839 | return results; |
---|
| 1840 | }, |
---|
| 1841 | |
---|
| 1842 | toString: function() { |
---|
| 1843 | return this.expression; |
---|
[1698] | 1844 | } |
---|
| 1845 | } |
---|
| 1846 | |
---|
[1852] | 1847 | Object.extend(Selector, { |
---|
| 1848 | matchElements: function(elements, expression) { |
---|
| 1849 | var selector = new Selector(expression); |
---|
| 1850 | return elements.select(selector.match.bind(selector)).map(Element.extend); |
---|
| 1851 | }, |
---|
[1698] | 1852 | |
---|
[1852] | 1853 | findElement: function(elements, expression, index) { |
---|
| 1854 | if (typeof expression == 'number') index = expression, expression = false; |
---|
| 1855 | return Selector.matchElements(elements, expression || '*')[index || 0]; |
---|
| 1856 | }, |
---|
| 1857 | |
---|
| 1858 | findChildElements: function(element, expressions) { |
---|
| 1859 | return expressions.map(function(expression) { |
---|
| 1860 | return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) { |
---|
| 1861 | var selector = new Selector(expr); |
---|
| 1862 | return results.inject([], function(elements, result) { |
---|
| 1863 | return elements.concat(selector.findElements(result || element)); |
---|
| 1864 | }); |
---|
| 1865 | }); |
---|
| 1866 | }).flatten(); |
---|
| 1867 | } |
---|
| 1868 | }); |
---|
| 1869 | |
---|
| 1870 | function $$() { |
---|
| 1871 | return Selector.findChildElements(document, $A(arguments)); |
---|
| 1872 | } |
---|
[1698] | 1873 | var Form = { |
---|
[1852] | 1874 | reset: function(form) { |
---|
| 1875 | $(form).reset(); |
---|
| 1876 | return form; |
---|
| 1877 | }, |
---|
[1698] | 1878 | |
---|
[1852] | 1879 | serializeElements: function(elements, getHash) { |
---|
| 1880 | var data = elements.inject({}, function(result, element) { |
---|
| 1881 | if (!element.disabled && element.name) { |
---|
| 1882 | var key = element.name, value = $(element).getValue(); |
---|
| 1883 | if (value != undefined) { |
---|
| 1884 | if (result[key]) { |
---|
| 1885 | if (result[key].constructor != Array) result[key] = [result[key]]; |
---|
| 1886 | result[key].push(value); |
---|
| 1887 | } |
---|
| 1888 | else result[key] = value; |
---|
| 1889 | } |
---|
| 1890 | } |
---|
| 1891 | return result; |
---|
| 1892 | }); |
---|
[1698] | 1893 | |
---|
[1852] | 1894 | return getHash ? data : Hash.toQueryString(data); |
---|
| 1895 | } |
---|
| 1896 | }; |
---|
| 1897 | |
---|
| 1898 | Form.Methods = { |
---|
| 1899 | serialize: function(form, getHash) { |
---|
| 1900 | return Form.serializeElements(Form.getElements(form), getHash); |
---|
[1698] | 1901 | }, |
---|
| 1902 | |
---|
| 1903 | getElements: function(form) { |
---|
[1852] | 1904 | return $A($(form).getElementsByTagName('*')).inject([], |
---|
| 1905 | function(elements, child) { |
---|
| 1906 | if (Form.Element.Serializers[child.tagName.toLowerCase()]) |
---|
| 1907 | elements.push(Element.extend(child)); |
---|
| 1908 | return elements; |
---|
| 1909 | } |
---|
| 1910 | ); |
---|
[1698] | 1911 | }, |
---|
| 1912 | |
---|
| 1913 | getInputs: function(form, typeName, name) { |
---|
| 1914 | form = $(form); |
---|
| 1915 | var inputs = form.getElementsByTagName('input'); |
---|
| 1916 | |
---|
[1852] | 1917 | if (!typeName && !name) return $A(inputs).map(Element.extend); |
---|
[1698] | 1918 | |
---|
[1852] | 1919 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
---|
[1698] | 1920 | var input = inputs[i]; |
---|
[1852] | 1921 | if ((typeName && input.type != typeName) || (name && input.name != name)) |
---|
[1698] | 1922 | continue; |
---|
[1852] | 1923 | matchingInputs.push(Element.extend(input)); |
---|
[1698] | 1924 | } |
---|
| 1925 | |
---|
| 1926 | return matchingInputs; |
---|
| 1927 | }, |
---|
| 1928 | |
---|
| 1929 | disable: function(form) { |
---|
[1852] | 1930 | form = $(form); |
---|
| 1931 | form.getElements().each(function(element) { |
---|
[1698] | 1932 | element.blur(); |
---|
| 1933 | element.disabled = 'true'; |
---|
[1852] | 1934 | }); |
---|
| 1935 | return form; |
---|
[1698] | 1936 | }, |
---|
| 1937 | |
---|
| 1938 | enable: function(form) { |
---|
[1852] | 1939 | form = $(form); |
---|
| 1940 | form.getElements().each(function(element) { |
---|
[1698] | 1941 | element.disabled = ''; |
---|
[1852] | 1942 | }); |
---|
| 1943 | return form; |
---|
[1698] | 1944 | }, |
---|
| 1945 | |
---|
| 1946 | findFirstElement: function(form) { |
---|
[1852] | 1947 | return $(form).getElements().find(function(element) { |
---|
[1698] | 1948 | return element.type != 'hidden' && !element.disabled && |
---|
| 1949 | ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
---|
| 1950 | }); |
---|
| 1951 | }, |
---|
| 1952 | |
---|
| 1953 | focusFirstElement: function(form) { |
---|
[1852] | 1954 | form = $(form); |
---|
| 1955 | form.findFirstElement().activate(); |
---|
| 1956 | return form; |
---|
| 1957 | } |
---|
| 1958 | } |
---|
| 1959 | |
---|
| 1960 | Object.extend(Form, Form.Methods); |
---|
| 1961 | |
---|
| 1962 | /*--------------------------------------------------------------------------*/ |
---|
| 1963 | |
---|
| 1964 | Form.Element = { |
---|
| 1965 | focus: function(element) { |
---|
| 1966 | $(element).focus(); |
---|
| 1967 | return element; |
---|
[1698] | 1968 | }, |
---|
| 1969 | |
---|
[1852] | 1970 | select: function(element) { |
---|
| 1971 | $(element).select(); |
---|
| 1972 | return element; |
---|
[1698] | 1973 | } |
---|
| 1974 | } |
---|
| 1975 | |
---|
[1852] | 1976 | Form.Element.Methods = { |
---|
[1698] | 1977 | serialize: function(element) { |
---|
| 1978 | element = $(element); |
---|
[1852] | 1979 | if (!element.disabled && element.name) { |
---|
| 1980 | var value = element.getValue(); |
---|
| 1981 | if (value != undefined) { |
---|
| 1982 | var pair = {}; |
---|
| 1983 | pair[element.name] = value; |
---|
| 1984 | return Hash.toQueryString(pair); |
---|
| 1985 | } |
---|
| 1986 | } |
---|
| 1987 | return ''; |
---|
| 1988 | }, |
---|
| 1989 | |
---|
| 1990 | getValue: function(element) { |
---|
| 1991 | element = $(element); |
---|
[1698] | 1992 | var method = element.tagName.toLowerCase(); |
---|
[1852] | 1993 | return Form.Element.Serializers[method](element); |
---|
| 1994 | }, |
---|
[1698] | 1995 | |
---|
[1852] | 1996 | clear: function(element) { |
---|
| 1997 | $(element).value = ''; |
---|
| 1998 | return element; |
---|
| 1999 | }, |
---|
[1698] | 2000 | |
---|
[1852] | 2001 | present: function(element) { |
---|
| 2002 | return $(element).value != ''; |
---|
| 2003 | }, |
---|
[1698] | 2004 | |
---|
[1852] | 2005 | activate: function(element) { |
---|
| 2006 | element = $(element); |
---|
| 2007 | element.focus(); |
---|
| 2008 | if (element.select && ( element.tagName.toLowerCase() != 'input' || |
---|
| 2009 | !['button', 'reset', 'submit'].include(element.type) ) ) |
---|
| 2010 | element.select(); |
---|
| 2011 | return element; |
---|
[1698] | 2012 | }, |
---|
| 2013 | |
---|
[1852] | 2014 | disable: function(element) { |
---|
[1698] | 2015 | element = $(element); |
---|
[1852] | 2016 | element.disabled = true; |
---|
| 2017 | return element; |
---|
| 2018 | }, |
---|
[1698] | 2019 | |
---|
[1852] | 2020 | enable: function(element) { |
---|
| 2021 | element = $(element); |
---|
| 2022 | element.blur(); |
---|
| 2023 | element.disabled = false; |
---|
| 2024 | return element; |
---|
[1698] | 2025 | } |
---|
| 2026 | } |
---|
| 2027 | |
---|
[1852] | 2028 | Object.extend(Form.Element, Form.Element.Methods); |
---|
| 2029 | var Field = Form.Element; |
---|
| 2030 | var $F = Form.Element.getValue; |
---|
| 2031 | |
---|
| 2032 | /*--------------------------------------------------------------------------*/ |
---|
| 2033 | |
---|
[1698] | 2034 | Form.Element.Serializers = { |
---|
| 2035 | input: function(element) { |
---|
| 2036 | switch (element.type.toLowerCase()) { |
---|
| 2037 | case 'checkbox': |
---|
| 2038 | case 'radio': |
---|
| 2039 | return Form.Element.Serializers.inputSelector(element); |
---|
[1852] | 2040 | default: |
---|
| 2041 | return Form.Element.Serializers.textarea(element); |
---|
[1698] | 2042 | } |
---|
| 2043 | }, |
---|
| 2044 | |
---|
| 2045 | inputSelector: function(element) { |
---|
[1852] | 2046 | return element.checked ? element.value : null; |
---|
[1698] | 2047 | }, |
---|
| 2048 | |
---|
| 2049 | textarea: function(element) { |
---|
[1852] | 2050 | return element.value; |
---|
[1698] | 2051 | }, |
---|
| 2052 | |
---|
| 2053 | select: function(element) { |
---|
[1852] | 2054 | return this[element.type == 'select-one' ? |
---|
[1698] | 2055 | 'selectOne' : 'selectMany'](element); |
---|
| 2056 | }, |
---|
| 2057 | |
---|
| 2058 | selectOne: function(element) { |
---|
[1852] | 2059 | var index = element.selectedIndex; |
---|
| 2060 | return index >= 0 ? this.optionValue(element.options[index]) : null; |
---|
[1698] | 2061 | }, |
---|
| 2062 | |
---|
| 2063 | selectMany: function(element) { |
---|
[1852] | 2064 | var values, length = element.length; |
---|
| 2065 | if (!length) return null; |
---|
| 2066 | |
---|
| 2067 | for (var i = 0, values = []; i < length; i++) { |
---|
[1698] | 2068 | var opt = element.options[i]; |
---|
[1852] | 2069 | if (opt.selected) values.push(this.optionValue(opt)); |
---|
[1698] | 2070 | } |
---|
[1852] | 2071 | return values; |
---|
| 2072 | }, |
---|
| 2073 | |
---|
| 2074 | optionValue: function(opt) { |
---|
| 2075 | // extend element because hasAttribute may not be native |
---|
| 2076 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; |
---|
[1698] | 2077 | } |
---|
| 2078 | } |
---|
| 2079 | |
---|
| 2080 | /*--------------------------------------------------------------------------*/ |
---|
| 2081 | |
---|
| 2082 | Abstract.TimedObserver = function() {} |
---|
| 2083 | Abstract.TimedObserver.prototype = { |
---|
| 2084 | initialize: function(element, frequency, callback) { |
---|
| 2085 | this.frequency = frequency; |
---|
| 2086 | this.element = $(element); |
---|
| 2087 | this.callback = callback; |
---|
| 2088 | |
---|
| 2089 | this.lastValue = this.getValue(); |
---|
| 2090 | this.registerCallback(); |
---|
| 2091 | }, |
---|
| 2092 | |
---|
| 2093 | registerCallback: function() { |
---|
| 2094 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
---|
| 2095 | }, |
---|
| 2096 | |
---|
| 2097 | onTimerEvent: function() { |
---|
| 2098 | var value = this.getValue(); |
---|
[1852] | 2099 | var changed = ('string' == typeof this.lastValue && 'string' == typeof value |
---|
| 2100 | ? this.lastValue != value : String(this.lastValue) != String(value)); |
---|
| 2101 | if (changed) { |
---|
[1698] | 2102 | this.callback(this.element, value); |
---|
| 2103 | this.lastValue = value; |
---|
| 2104 | } |
---|
| 2105 | } |
---|
| 2106 | } |
---|
| 2107 | |
---|
| 2108 | Form.Element.Observer = Class.create(); |
---|
| 2109 | Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
---|
| 2110 | getValue: function() { |
---|
| 2111 | return Form.Element.getValue(this.element); |
---|
| 2112 | } |
---|
| 2113 | }); |
---|
| 2114 | |
---|
| 2115 | Form.Observer = Class.create(); |
---|
| 2116 | Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
---|
| 2117 | getValue: function() { |
---|
| 2118 | return Form.serialize(this.element); |
---|
| 2119 | } |
---|
| 2120 | }); |
---|
| 2121 | |
---|
| 2122 | /*--------------------------------------------------------------------------*/ |
---|
| 2123 | |
---|
| 2124 | Abstract.EventObserver = function() {} |
---|
| 2125 | Abstract.EventObserver.prototype = { |
---|
| 2126 | initialize: function(element, callback) { |
---|
| 2127 | this.element = $(element); |
---|
| 2128 | this.callback = callback; |
---|
| 2129 | |
---|
| 2130 | this.lastValue = this.getValue(); |
---|
| 2131 | if (this.element.tagName.toLowerCase() == 'form') |
---|
| 2132 | this.registerFormCallbacks(); |
---|
| 2133 | else |
---|
| 2134 | this.registerCallback(this.element); |
---|
| 2135 | }, |
---|
| 2136 | |
---|
| 2137 | onElementEvent: function() { |
---|
| 2138 | var value = this.getValue(); |
---|
| 2139 | if (this.lastValue != value) { |
---|
| 2140 | this.callback(this.element, value); |
---|
| 2141 | this.lastValue = value; |
---|
| 2142 | } |
---|
| 2143 | }, |
---|
| 2144 | |
---|
| 2145 | registerFormCallbacks: function() { |
---|
[1852] | 2146 | Form.getElements(this.element).each(this.registerCallback.bind(this)); |
---|
[1698] | 2147 | }, |
---|
| 2148 | |
---|
| 2149 | registerCallback: function(element) { |
---|
| 2150 | if (element.type) { |
---|
| 2151 | switch (element.type.toLowerCase()) { |
---|
| 2152 | case 'checkbox': |
---|
| 2153 | case 'radio': |
---|
| 2154 | Event.observe(element, 'click', this.onElementEvent.bind(this)); |
---|
| 2155 | break; |
---|
[1852] | 2156 | default: |
---|
[1698] | 2157 | Event.observe(element, 'change', this.onElementEvent.bind(this)); |
---|
| 2158 | break; |
---|
| 2159 | } |
---|
| 2160 | } |
---|
| 2161 | } |
---|
| 2162 | } |
---|
| 2163 | |
---|
| 2164 | Form.Element.EventObserver = Class.create(); |
---|
| 2165 | Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
---|
| 2166 | getValue: function() { |
---|
| 2167 | return Form.Element.getValue(this.element); |
---|
| 2168 | } |
---|
| 2169 | }); |
---|
| 2170 | |
---|
| 2171 | Form.EventObserver = Class.create(); |
---|
| 2172 | Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
---|
| 2173 | getValue: function() { |
---|
| 2174 | return Form.serialize(this.element); |
---|
| 2175 | } |
---|
| 2176 | }); |
---|
| 2177 | if (!window.Event) { |
---|
| 2178 | var Event = new Object(); |
---|
| 2179 | } |
---|
| 2180 | |
---|
| 2181 | Object.extend(Event, { |
---|
| 2182 | KEY_BACKSPACE: 8, |
---|
| 2183 | KEY_TAB: 9, |
---|
| 2184 | KEY_RETURN: 13, |
---|
| 2185 | KEY_ESC: 27, |
---|
| 2186 | KEY_LEFT: 37, |
---|
| 2187 | KEY_UP: 38, |
---|
| 2188 | KEY_RIGHT: 39, |
---|
| 2189 | KEY_DOWN: 40, |
---|
| 2190 | KEY_DELETE: 46, |
---|
[1852] | 2191 | KEY_HOME: 36, |
---|
| 2192 | KEY_END: 35, |
---|
| 2193 | KEY_PAGEUP: 33, |
---|
| 2194 | KEY_PAGEDOWN: 34, |
---|
[1698] | 2195 | |
---|
| 2196 | element: function(event) { |
---|
| 2197 | return event.target || event.srcElement; |
---|
| 2198 | }, |
---|
| 2199 | |
---|
| 2200 | isLeftClick: function(event) { |
---|
| 2201 | return (((event.which) && (event.which == 1)) || |
---|
| 2202 | ((event.button) && (event.button == 1))); |
---|
| 2203 | }, |
---|
| 2204 | |
---|
| 2205 | pointerX: function(event) { |
---|
| 2206 | return event.pageX || (event.clientX + |
---|
| 2207 | (document.documentElement.scrollLeft || document.body.scrollLeft)); |
---|
| 2208 | }, |
---|
| 2209 | |
---|
| 2210 | pointerY: function(event) { |
---|
| 2211 | return event.pageY || (event.clientY + |
---|
| 2212 | (document.documentElement.scrollTop || document.body.scrollTop)); |
---|
| 2213 | }, |
---|
| 2214 | |
---|
| 2215 | stop: function(event) { |
---|
| 2216 | if (event.preventDefault) { |
---|
| 2217 | event.preventDefault(); |
---|
| 2218 | event.stopPropagation(); |
---|
| 2219 | } else { |
---|
| 2220 | event.returnValue = false; |
---|
| 2221 | event.cancelBubble = true; |
---|
| 2222 | } |
---|
| 2223 | }, |
---|
| 2224 | |
---|
| 2225 | // find the first node with the given tagName, starting from the |
---|
| 2226 | // node the event was triggered on; traverses the DOM upwards |
---|
| 2227 | findElement: function(event, tagName) { |
---|
| 2228 | var element = Event.element(event); |
---|
| 2229 | while (element.parentNode && (!element.tagName || |
---|
| 2230 | (element.tagName.toUpperCase() != tagName.toUpperCase()))) |
---|
| 2231 | element = element.parentNode; |
---|
| 2232 | return element; |
---|
| 2233 | }, |
---|
| 2234 | |
---|
| 2235 | observers: false, |
---|
| 2236 | |
---|
| 2237 | _observeAndCache: function(element, name, observer, useCapture) { |
---|
| 2238 | if (!this.observers) this.observers = []; |
---|
| 2239 | if (element.addEventListener) { |
---|
| 2240 | this.observers.push([element, name, observer, useCapture]); |
---|
| 2241 | element.addEventListener(name, observer, useCapture); |
---|
| 2242 | } else if (element.attachEvent) { |
---|
| 2243 | this.observers.push([element, name, observer, useCapture]); |
---|
| 2244 | element.attachEvent('on' + name, observer); |
---|
| 2245 | } |
---|
| 2246 | }, |
---|
| 2247 | |
---|
| 2248 | unloadCache: function() { |
---|
| 2249 | if (!Event.observers) return; |
---|
[1852] | 2250 | for (var i = 0, length = Event.observers.length; i < length; i++) { |
---|
[1698] | 2251 | Event.stopObserving.apply(this, Event.observers[i]); |
---|
| 2252 | Event.observers[i][0] = null; |
---|
| 2253 | } |
---|
| 2254 | Event.observers = false; |
---|
| 2255 | }, |
---|
| 2256 | |
---|
| 2257 | observe: function(element, name, observer, useCapture) { |
---|
[1852] | 2258 | element = $(element); |
---|
[1698] | 2259 | useCapture = useCapture || false; |
---|
| 2260 | |
---|
| 2261 | if (name == 'keypress' && |
---|
| 2262 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
---|
| 2263 | || element.attachEvent)) |
---|
| 2264 | name = 'keydown'; |
---|
| 2265 | |
---|
[1852] | 2266 | Event._observeAndCache(element, name, observer, useCapture); |
---|
[1698] | 2267 | }, |
---|
| 2268 | |
---|
| 2269 | stopObserving: function(element, name, observer, useCapture) { |
---|
[1852] | 2270 | element = $(element); |
---|
[1698] | 2271 | useCapture = useCapture || false; |
---|
| 2272 | |
---|
| 2273 | if (name == 'keypress' && |
---|
| 2274 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
---|
| 2275 | || element.detachEvent)) |
---|
| 2276 | name = 'keydown'; |
---|
| 2277 | |
---|
| 2278 | if (element.removeEventListener) { |
---|
| 2279 | element.removeEventListener(name, observer, useCapture); |
---|
| 2280 | } else if (element.detachEvent) { |
---|
[1852] | 2281 | try { |
---|
| 2282 | element.detachEvent('on' + name, observer); |
---|
| 2283 | } catch (e) {} |
---|
[1698] | 2284 | } |
---|
| 2285 | } |
---|
| 2286 | }); |
---|
| 2287 | |
---|
| 2288 | /* prevent memory leaks in IE */ |
---|
[1852] | 2289 | if (navigator.appVersion.match(/\bMSIE\b/)) |
---|
| 2290 | Event.observe(window, 'unload', Event.unloadCache, false); |
---|
[1698] | 2291 | var Position = { |
---|
| 2292 | // set to true if needed, warning: firefox performance problems |
---|
| 2293 | // NOT neeeded for page scrolling, only if draggable contained in |
---|
| 2294 | // scrollable elements |
---|
| 2295 | includeScrollOffsets: false, |
---|
| 2296 | |
---|
| 2297 | // must be called before calling withinIncludingScrolloffset, every time the |
---|
| 2298 | // page is scrolled |
---|
| 2299 | prepare: function() { |
---|
| 2300 | this.deltaX = window.pageXOffset |
---|
| 2301 | || document.documentElement.scrollLeft |
---|
| 2302 | || document.body.scrollLeft |
---|
| 2303 | || 0; |
---|
| 2304 | this.deltaY = window.pageYOffset |
---|
| 2305 | || document.documentElement.scrollTop |
---|
| 2306 | || document.body.scrollTop |
---|
| 2307 | || 0; |
---|
| 2308 | }, |
---|
| 2309 | |
---|
| 2310 | realOffset: function(element) { |
---|
| 2311 | var valueT = 0, valueL = 0; |
---|
| 2312 | do { |
---|
| 2313 | valueT += element.scrollTop || 0; |
---|
| 2314 | valueL += element.scrollLeft || 0; |
---|
| 2315 | element = element.parentNode; |
---|
| 2316 | } while (element); |
---|
| 2317 | return [valueL, valueT]; |
---|
| 2318 | }, |
---|
| 2319 | |
---|
| 2320 | cumulativeOffset: function(element) { |
---|
| 2321 | var valueT = 0, valueL = 0; |
---|
| 2322 | do { |
---|
| 2323 | valueT += element.offsetTop || 0; |
---|
| 2324 | valueL += element.offsetLeft || 0; |
---|
| 2325 | element = element.offsetParent; |
---|
| 2326 | } while (element); |
---|
| 2327 | return [valueL, valueT]; |
---|
| 2328 | }, |
---|
| 2329 | |
---|
| 2330 | positionedOffset: function(element) { |
---|
| 2331 | var valueT = 0, valueL = 0; |
---|
| 2332 | do { |
---|
| 2333 | valueT += element.offsetTop || 0; |
---|
| 2334 | valueL += element.offsetLeft || 0; |
---|
| 2335 | element = element.offsetParent; |
---|
| 2336 | if (element) { |
---|
[1852] | 2337 | if(element.tagName=='BODY') break; |
---|
| 2338 | var p = Element.getStyle(element, 'position'); |
---|
[1698] | 2339 | if (p == 'relative' || p == 'absolute') break; |
---|
| 2340 | } |
---|
| 2341 | } while (element); |
---|
| 2342 | return [valueL, valueT]; |
---|
| 2343 | }, |
---|
| 2344 | |
---|
| 2345 | offsetParent: function(element) { |
---|
| 2346 | if (element.offsetParent) return element.offsetParent; |
---|
| 2347 | if (element == document.body) return element; |
---|
| 2348 | |
---|
| 2349 | while ((element = element.parentNode) && element != document.body) |
---|
| 2350 | if (Element.getStyle(element, 'position') != 'static') |
---|
| 2351 | return element; |
---|
| 2352 | |
---|
| 2353 | return document.body; |
---|
| 2354 | }, |
---|
| 2355 | |
---|
| 2356 | // caches x/y coordinate pair to use with overlap |
---|
| 2357 | within: function(element, x, y) { |
---|
| 2358 | if (this.includeScrollOffsets) |
---|
| 2359 | return this.withinIncludingScrolloffsets(element, x, y); |
---|
| 2360 | this.xcomp = x; |
---|
| 2361 | this.ycomp = y; |
---|
| 2362 | this.offset = this.cumulativeOffset(element); |
---|
| 2363 | |
---|
| 2364 | return (y >= this.offset[1] && |
---|
| 2365 | y < this.offset[1] + element.offsetHeight && |
---|
| 2366 | x >= this.offset[0] && |
---|
| 2367 | x < this.offset[0] + element.offsetWidth); |
---|
| 2368 | }, |
---|
| 2369 | |
---|
| 2370 | withinIncludingScrolloffsets: function(element, x, y) { |
---|
| 2371 | var offsetcache = this.realOffset(element); |
---|
| 2372 | |
---|
| 2373 | this.xcomp = x + offsetcache[0] - this.deltaX; |
---|
| 2374 | this.ycomp = y + offsetcache[1] - this.deltaY; |
---|
| 2375 | this.offset = this.cumulativeOffset(element); |
---|
| 2376 | |
---|
| 2377 | return (this.ycomp >= this.offset[1] && |
---|
| 2378 | this.ycomp < this.offset[1] + element.offsetHeight && |
---|
| 2379 | this.xcomp >= this.offset[0] && |
---|
| 2380 | this.xcomp < this.offset[0] + element.offsetWidth); |
---|
| 2381 | }, |
---|
| 2382 | |
---|
| 2383 | // within must be called directly before |
---|
| 2384 | overlap: function(mode, element) { |
---|
| 2385 | if (!mode) return 0; |
---|
| 2386 | if (mode == 'vertical') |
---|
| 2387 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
---|
| 2388 | element.offsetHeight; |
---|
| 2389 | if (mode == 'horizontal') |
---|
| 2390 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
---|
| 2391 | element.offsetWidth; |
---|
| 2392 | }, |
---|
| 2393 | |
---|
| 2394 | page: function(forElement) { |
---|
| 2395 | var valueT = 0, valueL = 0; |
---|
| 2396 | |
---|
| 2397 | var element = forElement; |
---|
| 2398 | do { |
---|
| 2399 | valueT += element.offsetTop || 0; |
---|
| 2400 | valueL += element.offsetLeft || 0; |
---|
| 2401 | |
---|
| 2402 | // Safari fix |
---|
| 2403 | if (element.offsetParent==document.body) |
---|
| 2404 | if (Element.getStyle(element,'position')=='absolute') break; |
---|
| 2405 | |
---|
| 2406 | } while (element = element.offsetParent); |
---|
| 2407 | |
---|
| 2408 | element = forElement; |
---|
| 2409 | do { |
---|
[1852] | 2410 | if (!window.opera || element.tagName=='BODY') { |
---|
| 2411 | valueT -= element.scrollTop || 0; |
---|
| 2412 | valueL -= element.scrollLeft || 0; |
---|
| 2413 | } |
---|
[1698] | 2414 | } while (element = element.parentNode); |
---|
| 2415 | |
---|
| 2416 | return [valueL, valueT]; |
---|
| 2417 | }, |
---|
| 2418 | |
---|
| 2419 | clone: function(source, target) { |
---|
| 2420 | var options = Object.extend({ |
---|
| 2421 | setLeft: true, |
---|
| 2422 | setTop: true, |
---|
| 2423 | setWidth: true, |
---|
| 2424 | setHeight: true, |
---|
| 2425 | offsetTop: 0, |
---|
| 2426 | offsetLeft: 0 |
---|
| 2427 | }, arguments[2] || {}) |
---|
| 2428 | |
---|
| 2429 | // find page position of source |
---|
| 2430 | source = $(source); |
---|
| 2431 | var p = Position.page(source); |
---|
| 2432 | |
---|
| 2433 | // find coordinate system to use |
---|
| 2434 | target = $(target); |
---|
| 2435 | var delta = [0, 0]; |
---|
| 2436 | var parent = null; |
---|
| 2437 | // delta [0,0] will do fine with position: fixed elements, |
---|
| 2438 | // position:absolute needs offsetParent deltas |
---|
| 2439 | if (Element.getStyle(target,'position') == 'absolute') { |
---|
| 2440 | parent = Position.offsetParent(target); |
---|
| 2441 | delta = Position.page(parent); |
---|
| 2442 | } |
---|
| 2443 | |
---|
| 2444 | // correct by body offsets (fixes Safari) |
---|
| 2445 | if (parent == document.body) { |
---|
| 2446 | delta[0] -= document.body.offsetLeft; |
---|
| 2447 | delta[1] -= document.body.offsetTop; |
---|
| 2448 | } |
---|
| 2449 | |
---|
| 2450 | // set position |
---|
| 2451 | if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
---|
| 2452 | if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
---|
| 2453 | if(options.setWidth) target.style.width = source.offsetWidth + 'px'; |
---|
| 2454 | if(options.setHeight) target.style.height = source.offsetHeight + 'px'; |
---|
| 2455 | }, |
---|
| 2456 | |
---|
| 2457 | absolutize: function(element) { |
---|
| 2458 | element = $(element); |
---|
| 2459 | if (element.style.position == 'absolute') return; |
---|
| 2460 | Position.prepare(); |
---|
| 2461 | |
---|
| 2462 | var offsets = Position.positionedOffset(element); |
---|
| 2463 | var top = offsets[1]; |
---|
| 2464 | var left = offsets[0]; |
---|
| 2465 | var width = element.clientWidth; |
---|
| 2466 | var height = element.clientHeight; |
---|
| 2467 | |
---|
| 2468 | element._originalLeft = left - parseFloat(element.style.left || 0); |
---|
| 2469 | element._originalTop = top - parseFloat(element.style.top || 0); |
---|
| 2470 | element._originalWidth = element.style.width; |
---|
| 2471 | element._originalHeight = element.style.height; |
---|
| 2472 | |
---|
| 2473 | element.style.position = 'absolute'; |
---|
[1852] | 2474 | element.style.top = top + 'px'; |
---|
| 2475 | element.style.left = left + 'px'; |
---|
| 2476 | element.style.width = width + 'px'; |
---|
| 2477 | element.style.height = height + 'px'; |
---|
[1698] | 2478 | }, |
---|
| 2479 | |
---|
| 2480 | relativize: function(element) { |
---|
| 2481 | element = $(element); |
---|
| 2482 | if (element.style.position == 'relative') return; |
---|
| 2483 | Position.prepare(); |
---|
| 2484 | |
---|
| 2485 | element.style.position = 'relative'; |
---|
| 2486 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
---|
| 2487 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
---|
| 2488 | |
---|
| 2489 | element.style.top = top + 'px'; |
---|
| 2490 | element.style.left = left + 'px'; |
---|
| 2491 | element.style.height = element._originalHeight; |
---|
| 2492 | element.style.width = element._originalWidth; |
---|
| 2493 | } |
---|
| 2494 | } |
---|
| 2495 | |
---|
| 2496 | // Safari returns margins on body which is incorrect if the child is absolutely |
---|
| 2497 | // positioned. For performance reasons, redefine Position.cumulativeOffset for |
---|
| 2498 | // KHTML/WebKit only. |
---|
| 2499 | if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) { |
---|
| 2500 | Position.cumulativeOffset = function(element) { |
---|
| 2501 | var valueT = 0, valueL = 0; |
---|
| 2502 | do { |
---|
| 2503 | valueT += element.offsetTop || 0; |
---|
| 2504 | valueL += element.offsetLeft || 0; |
---|
| 2505 | if (element.offsetParent == document.body) |
---|
| 2506 | if (Element.getStyle(element, 'position') == 'absolute') break; |
---|
| 2507 | |
---|
| 2508 | element = element.offsetParent; |
---|
| 2509 | } while (element); |
---|
| 2510 | |
---|
| 2511 | return [valueL, valueT]; |
---|
| 2512 | } |
---|
[1852] | 2513 | } |
---|
| 2514 | |
---|
| 2515 | Element.addMethods(); |
---|