[120] | 1 | /* Prototype JavaScript framework, version 1.4.0_pre4 |
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| 2 | * (c) 2005 Sam Stephenson <sam@conio.net> |
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| 3 | * |
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| 4 | * THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff |
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| 5 | * against the source tree, available from the Prototype darcs repository. |
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| 6 | * |
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| 7 | * Prototype is freely distributable under the terms of an MIT-style license. |
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| 8 | * |
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| 9 | * For details, see the Prototype web site: http://prototype.conio.net/ |
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| 10 | * |
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| 11 | /*--------------------------------------------------------------------------*/ |
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| 12 | |
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| 13 | var Prototype = { |
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| 14 | Version: '1.4.0_pre4', |
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| 15 | |
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| 16 | emptyFunction: function() {}, |
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| 17 | K: function(x) {return x} |
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| 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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| 31 | for (property in source) { |
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| 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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| 37 | Function.prototype.bind = function(object) { |
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| 38 | var __method = this; |
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| 39 | return function() { |
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| 40 | return __method.apply(object, arguments); |
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| 41 | } |
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| 42 | } |
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| 43 | |
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| 44 | Function.prototype.bindAsEventListener = function(object) { |
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| 45 | var __method = this; |
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| 46 | return function(event) { |
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| 47 | return __method.call(object, event || window.event); |
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| 48 | } |
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| 49 | } |
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| 50 | |
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| 51 | Number.prototype.toColorPart = function() { |
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| 52 | var digits = this.toString(16); |
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| 53 | if (this < 16) return '0' + digits; |
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| 54 | return digits; |
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| 55 | } |
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| 56 | |
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| 57 | var Try = { |
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| 58 | these: function() { |
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| 59 | var returnValue; |
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| 60 | |
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| 61 | for (var i = 0; i < arguments.length; i++) { |
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| 62 | var lambda = arguments[i]; |
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| 63 | try { |
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| 64 | returnValue = lambda(); |
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| 65 | break; |
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| 66 | } catch (e) {} |
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| 67 | } |
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| 68 | |
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| 69 | return returnValue; |
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| 70 | } |
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| 71 | } |
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| 72 | |
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| 73 | /*--------------------------------------------------------------------------*/ |
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| 74 | |
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| 75 | var PeriodicalExecuter = Class.create(); |
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| 76 | PeriodicalExecuter.prototype = { |
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| 77 | initialize: function(callback, frequency) { |
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| 78 | this.callback = callback; |
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| 79 | this.frequency = frequency; |
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| 80 | this.currentlyExecuting = false; |
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| 81 | |
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| 82 | this.registerCallback(); |
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| 83 | }, |
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| 84 | |
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| 85 | registerCallback: function() { |
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| 86 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
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| 87 | }, |
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| 88 | |
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| 89 | onTimerEvent: function() { |
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| 90 | if (!this.currentlyExecuting) { |
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| 91 | try { |
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| 92 | this.currentlyExecuting = true; |
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| 93 | this.callback(); |
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| 94 | } finally { |
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| 95 | this.currentlyExecuting = false; |
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| 96 | } |
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| 97 | } |
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| 98 | } |
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| 99 | } |
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| 100 | |
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| 101 | /*--------------------------------------------------------------------------*/ |
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| 102 | |
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| 103 | function $() { |
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| 104 | var elements = new Array(); |
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| 105 | |
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| 106 | for (var i = 0; i < arguments.length; i++) { |
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| 107 | var element = arguments[i]; |
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| 108 | if (typeof element == 'string') |
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| 109 | element = document.getElementById(element); |
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| 110 | |
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| 111 | if (arguments.length == 1) |
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| 112 | return element; |
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| 113 | |
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| 114 | elements.push(element); |
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| 115 | } |
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| 116 | |
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| 117 | return elements; |
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| 118 | } |
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| 119 | |
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| 120 | if (!Array.prototype.push) { |
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| 121 | Array.prototype.push = function() { |
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| 122 | var startLength = this.length; |
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| 123 | for (var i = 0; i < arguments.length; i++) |
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| 124 | this[startLength + i] = arguments[i]; |
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| 125 | return this.length; |
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| 126 | } |
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| 127 | } |
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| 128 | |
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| 129 | if (!Function.prototype.apply) { |
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| 130 | // Based on code from http://www.youngpup.net/ |
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| 131 | Function.prototype.apply = function(object, parameters) { |
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| 132 | var parameterStrings = new Array(); |
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| 133 | if (!object) object = window; |
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| 134 | if (!parameters) parameters = new Array(); |
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| 135 | |
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| 136 | for (var i = 0; i < parameters.length; i++) |
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| 137 | parameterStrings[i] = 'parameters[' + i + ']'; |
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| 138 | |
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| 139 | object.__apply__ = this; |
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| 140 | var result = eval('object.__apply__(' + |
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| 141 | parameterStrings.join(', ') + ')'); |
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| 142 | object.__apply__ = null; |
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| 143 | |
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| 144 | return result; |
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| 145 | } |
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| 146 | } |
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| 147 | |
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| 148 | Object.extend(String.prototype, { |
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| 149 | stripTags: function() { |
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| 150 | return this.replace(/<\/?[^>]+>/gi, ''); |
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| 151 | }, |
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| 152 | |
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| 153 | escapeHTML: function() { |
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| 154 | var div = document.createElement('div'); |
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| 155 | var text = document.createTextNode(this); |
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| 156 | div.appendChild(text); |
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| 157 | return div.innerHTML; |
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| 158 | }, |
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| 159 | |
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| 160 | unescapeHTML: function() { |
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| 161 | var div = document.createElement('div'); |
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| 162 | div.innerHTML = this.stripTags(); |
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| 163 | return div.childNodes[0].nodeValue; |
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| 164 | }, |
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| 165 | |
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| 166 | parseQuery: function() { |
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| 167 | var str = this; |
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| 168 | if (str.substring(0,1) == '?') { |
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| 169 | str = this.substring(1); |
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| 170 | } |
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| 171 | var result = {}; |
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| 172 | var pairs = str.split('&'); |
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| 173 | for (var i = 0; i < pairs.length; i++) { |
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| 174 | var pair = pairs[i].split('='); |
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| 175 | result[pair[0]] = pair[1]; |
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| 176 | } |
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| 177 | return result; |
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| 178 | } |
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| 179 | }); |
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| 180 | |
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| 181 | |
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| 182 | var _break = new Object(); |
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| 183 | var _continue = new Object(); |
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| 184 | |
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| 185 | var Enumerable = { |
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| 186 | each: function(iterator) { |
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| 187 | var index = 0; |
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| 188 | try { |
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| 189 | this._each(function(value) { |
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| 190 | try { |
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| 191 | iterator(value, index++); |
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| 192 | } catch (e) { |
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| 193 | if (e != _continue) throw e; |
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| 194 | } |
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| 195 | }); |
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| 196 | } catch (e) { |
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| 197 | if (e != _break) throw e; |
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| 198 | } |
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| 199 | }, |
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| 200 | |
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| 201 | all: function(iterator) { |
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| 202 | var result = true; |
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| 203 | this.each(function(value, index) { |
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| 204 | if (!(result &= (iterator || Prototype.K)(value, index))) |
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| 205 | throw _break; |
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| 206 | }); |
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| 207 | return result; |
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| 208 | }, |
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| 209 | |
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| 210 | any: function(iterator) { |
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| 211 | var result = true; |
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| 212 | this.each(function(value, index) { |
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| 213 | if (result &= (iterator || Prototype.K)(value, index)) |
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| 214 | throw _break; |
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| 215 | }); |
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| 216 | return result; |
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| 217 | }, |
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| 218 | |
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| 219 | collect: function(iterator) { |
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| 220 | var results = []; |
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| 221 | this.each(function(value, index) { |
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| 222 | results.push(iterator(value, index)); |
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| 223 | }); |
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| 224 | return results; |
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| 225 | }, |
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| 226 | |
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| 227 | detect: function (iterator) { |
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| 228 | var result; |
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| 229 | this.each(function(value, index) { |
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| 230 | if (iterator(value, index)) { |
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| 231 | result = value; |
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| 232 | throw _break; |
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| 233 | } |
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| 234 | }); |
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| 235 | return result; |
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| 236 | }, |
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| 237 | |
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| 238 | findAll: function(iterator) { |
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| 239 | var results = []; |
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| 240 | this.each(function(value, index) { |
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| 241 | if (iterator(value, index)) |
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| 242 | results.push(value); |
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| 243 | }); |
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| 244 | return results; |
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| 245 | }, |
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| 246 | |
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| 247 | grep: function(pattern, iterator) { |
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| 248 | var results = []; |
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| 249 | this.each(function(value, index) { |
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| 250 | var stringValue = value.toString(); |
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| 251 | if (stringValue.match(pattern)) |
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| 252 | results.push((iterator || Prototype.K)(value, index)); |
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| 253 | }) |
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| 254 | return results; |
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| 255 | }, |
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| 256 | |
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| 257 | include: function(object) { |
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| 258 | var found = false; |
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| 259 | this.each(function(value) { |
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| 260 | if (value == object) { |
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| 261 | found = true; |
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| 262 | throw _break; |
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| 263 | } |
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| 264 | }); |
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| 265 | return found; |
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| 266 | }, |
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| 267 | |
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| 268 | inject: function(memo, iterator) { |
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| 269 | this.each(function(value, index) { |
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| 270 | memo = iterator(memo, value, index); |
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| 271 | }); |
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| 272 | return memo; |
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| 273 | }, |
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| 274 | |
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| 275 | invoke: function(method) { |
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| 276 | var args = $A(arguments).slice(1); |
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| 277 | return this.collect(function(value) { |
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| 278 | return value[method].apply(value, args); |
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| 279 | }); |
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| 280 | }, |
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| 281 | |
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| 282 | max: function(iterator) { |
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| 283 | var result; |
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| 284 | this.each(function(value, index) { |
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| 285 | value = (iterator || Prototype.K)(value, index); |
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| 286 | if (value >= (result || value)) |
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| 287 | result = value; |
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| 288 | }); |
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| 289 | return result; |
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| 290 | }, |
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| 291 | |
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| 292 | min: function(iterator) { |
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| 293 | var result; |
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| 294 | this.each(function(value, index) { |
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| 295 | value = (iterator || Prototype.K)(value, index); |
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| 296 | if (value <= (result || value)) |
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| 297 | result = value; |
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| 298 | }); |
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| 299 | return result; |
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| 300 | }, |
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| 301 | |
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| 302 | partition: function(iterator) { |
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| 303 | var trues = [], falses = []; |
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| 304 | this.each(function(value, index) { |
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| 305 | ((iterator || Prototype.K)(value, index) ? |
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| 306 | trues : falses).push(value); |
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| 307 | }); |
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| 308 | return [trues, falses]; |
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| 309 | }, |
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| 310 | |
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| 311 | pluck: function(property) { |
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| 312 | var results = []; |
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| 313 | this.each(function(value, index) { |
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| 314 | results.push(value[property]); |
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| 315 | }); |
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| 316 | return results; |
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| 317 | }, |
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| 318 | |
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| 319 | reject: function(iterator) { |
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| 320 | var results = []; |
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| 321 | this.each(function(value, index) { |
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| 322 | if (!iterator(value, index)) |
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| 323 | results.push(value); |
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| 324 | }); |
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| 325 | return results; |
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| 326 | }, |
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| 327 | |
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| 328 | sortBy: function(iterator) { |
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| 329 | return this.collect(function(value, index) { |
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| 330 | return {value: value, criteria: iterator(value, index)}; |
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| 331 | }).sort(function(left, right) { |
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| 332 | var a = left.criteria, b = right.criteria; |
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| 333 | return a < b ? -1 : a > b ? 1 : 0; |
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| 334 | }).pluck('value'); |
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| 335 | }, |
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| 336 | |
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| 337 | toArray: function() { |
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| 338 | return this.collect(Prototype.K); |
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| 339 | }, |
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| 340 | |
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| 341 | zip: function() { |
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| 342 | var iterator = Prototype.K, args = $A(arguments); |
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| 343 | if (typeof args.last() == 'function') |
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| 344 | iterator = args.pop(); |
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| 345 | |
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| 346 | var collections = [this].concat(args).map($A); |
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| 347 | return this.map(function(value, index) { |
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| 348 | iterator(value = collections.pluck(index)); |
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| 349 | return value; |
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| 350 | }); |
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| 351 | } |
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| 352 | } |
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| 353 | |
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| 354 | Object.extend(Enumerable, { |
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| 355 | map: Enumerable.collect, |
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| 356 | find: Enumerable.detect, |
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| 357 | select: Enumerable.findAll, |
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| 358 | member: Enumerable.include, |
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| 359 | entries: Enumerable.toArray |
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| 360 | }); |
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| 361 | |
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| 362 | $A = Array.from = function(iterable) { |
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| 363 | var results = []; |
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| 364 | for (var i = 0; i < iterable.length; i++) |
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| 365 | results.push(iterable[i]); |
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| 366 | return results; |
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| 367 | } |
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| 368 | |
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| 369 | Object.extend(Array.prototype, { |
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| 370 | _each: function(iterator) { |
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| 371 | for (var i = 0; i < this.length; i++) |
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| 372 | iterator(this[i]); |
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| 373 | }, |
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| 374 | |
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| 375 | first: function() { |
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| 376 | return this[0]; |
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| 377 | }, |
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| 378 | |
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| 379 | last: function() { |
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| 380 | return this[this.length - 1]; |
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| 381 | } |
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| 382 | }); |
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| 383 | |
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| 384 | Object.extend(Array.prototype, Enumerable); |
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| 385 | |
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| 386 | |
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| 387 | var Ajax = { |
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| 388 | getTransport: function() { |
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| 389 | return Try.these( |
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| 390 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
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| 391 | function() {return new ActiveXObject('Microsoft.XMLHTTP')}, |
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| 392 | function() {return new XMLHttpRequest()} |
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| 393 | ) || false; |
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| 394 | } |
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| 395 | } |
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| 396 | |
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| 397 | Ajax.Base = function() {}; |
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| 398 | Ajax.Base.prototype = { |
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| 399 | setOptions: function(options) { |
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| 400 | this.options = { |
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| 401 | method: 'post', |
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| 402 | asynchronous: true, |
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| 403 | parameters: '' |
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| 404 | } |
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| 405 | Object.extend(this.options, options || {}); |
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| 406 | }, |
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| 407 | |
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| 408 | responseIsSuccess: function() { |
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| 409 | return this.transport.status == undefined |
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| 410 | || this.transport.status == 0 |
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| 411 | || (this.transport.status >= 200 && this.transport.status < 300); |
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| 412 | }, |
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| 413 | |
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| 414 | responseIsFailure: function() { |
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| 415 | return !this.responseIsSuccess(); |
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| 416 | } |
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| 417 | } |
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| 418 | |
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| 419 | Ajax.Request = Class.create(); |
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| 420 | Ajax.Request.Events = |
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| 421 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
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| 422 | |
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| 423 | Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
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| 424 | initialize: function(url, options) { |
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| 425 | this.transport = Ajax.getTransport(); |
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| 426 | this.setOptions(options); |
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| 427 | this.request(url); |
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| 428 | }, |
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| 429 | |
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| 430 | request: function(url) { |
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| 431 | var parameters = this.options.parameters || ''; |
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| 432 | if (parameters.length > 0) parameters += '&_='; |
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| 433 | |
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| 434 | try { |
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| 435 | if (this.options.method == 'get') |
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| 436 | url += '?' + parameters; |
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| 437 | |
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| 438 | this.transport.open(this.options.method, url, |
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| 439 | this.options.asynchronous); |
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| 440 | |
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| 441 | if (this.options.asynchronous) { |
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| 442 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
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| 443 | setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10); |
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| 444 | } |
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| 445 | |
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| 446 | this.setRequestHeaders(); |
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| 447 | |
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| 448 | var body = this.options.postBody ? this.options.postBody : parameters; |
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| 449 | this.transport.send(this.options.method == 'post' ? body : null); |
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| 450 | |
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| 451 | } catch (e) { |
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| 452 | } |
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| 453 | }, |
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| 454 | |
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| 455 | setRequestHeaders: function() { |
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| 456 | var requestHeaders = |
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| 457 | ['X-Requested-With', 'XMLHttpRequest', |
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| 458 | 'X-Prototype-Version', Prototype.Version]; |
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| 459 | |
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| 460 | if (this.options.method == 'post') { |
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| 461 | requestHeaders.push('Content-type', |
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| 462 | 'application/x-www-form-urlencoded'); |
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| 463 | |
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| 464 | /* Force "Connection: close" for Mozilla browsers to work around |
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| 465 | * a bug where XMLHttpReqeuest sends an incorrect Content-length |
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| 466 | * header. See Mozilla Bugzilla #246651. |
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| 467 | */ |
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| 468 | if (this.transport.overrideMimeType) |
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| 469 | requestHeaders.push('Connection', 'close'); |
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| 470 | } |
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| 471 | |
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| 472 | if (this.options.requestHeaders) |
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| 473 | requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); |
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| 474 | |
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| 475 | for (var i = 0; i < requestHeaders.length; i += 2) |
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| 476 | this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]); |
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| 477 | }, |
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| 478 | |
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| 479 | onStateChange: function() { |
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| 480 | var readyState = this.transport.readyState; |
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| 481 | if (readyState != 1) |
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| 482 | this.respondToReadyState(this.transport.readyState); |
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| 483 | }, |
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| 484 | |
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| 485 | respondToReadyState: function(readyState) { |
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| 486 | var event = Ajax.Request.Events[readyState]; |
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| 487 | |
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| 488 | if (event == 'Complete') |
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| 489 | (this.options['on' + this.transport.status] |
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| 490 | || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')] |
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| 491 | || Prototype.emptyFunction)(this.transport); |
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| 492 | |
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| 493 | (this.options['on' + event] || Prototype.emptyFunction)(this.transport); |
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| 494 | |
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| 495 | /* Avoid memory leak in MSIE: clean up the oncomplete event handler */ |
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| 496 | if (event == 'Complete') |
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| 497 | this.transport.onreadystatechange = Prototype.emptyFunction; |
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| 498 | } |
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| 499 | }); |
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| 500 | |
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| 501 | Ajax.Updater = Class.create(); |
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| 502 | Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|.)*?)(?:<\/script>)'; |
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| 503 | |
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| 504 | Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { |
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| 505 | initialize: function(container, url, options) { |
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| 506 | this.containers = { |
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| 507 | success: container.success ? $(container.success) : $(container), |
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| 508 | failure: container.failure ? $(container.failure) : |
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| 509 | (container.success ? null : $(container)) |
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| 510 | } |
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| 511 | |
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| 512 | this.transport = Ajax.getTransport(); |
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| 513 | this.setOptions(options); |
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| 514 | |
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| 515 | var onComplete = this.options.onComplete || Prototype.emptyFunction; |
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| 516 | this.options.onComplete = (function() { |
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| 517 | this.updateContent(); |
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| 518 | onComplete(this.transport); |
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| 519 | }).bind(this); |
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| 520 | |
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| 521 | this.request(url); |
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| 522 | }, |
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| 523 | |
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| 524 | updateContent: function() { |
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| 525 | var receiver = this.responseIsSuccess() ? |
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| 526 | this.containers.success : this.containers.failure; |
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| 527 | |
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| 528 | var match = new RegExp(Ajax.Updater.ScriptFragment, 'img'); |
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| 529 | var response = this.transport.responseText.replace(match, ''); |
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| 530 | var scripts = this.transport.responseText.match(match); |
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| 531 | |
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| 532 | if (receiver) { |
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| 533 | if (this.options.insertion) { |
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| 534 | new this.options.insertion(receiver, response); |
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| 535 | } else { |
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| 536 | receiver.innerHTML = response; |
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| 537 | } |
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| 538 | } |
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| 539 | |
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| 540 | if (this.responseIsSuccess()) { |
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| 541 | if (this.onComplete) |
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| 542 | setTimeout((function() {this.onComplete( |
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| 543 | this.transport)}).bind(this), 10); |
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| 544 | } |
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| 545 | |
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| 546 | if (this.options.evalScripts && scripts) { |
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| 547 | match = new RegExp(Ajax.Updater.ScriptFragment, 'im'); |
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| 548 | setTimeout((function() { |
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| 549 | for (var i = 0; i < scripts.length; i++) |
---|
| 550 | eval(scripts[i].match(match)[1]); |
---|
| 551 | }).bind(this), 10); |
---|
| 552 | } |
---|
| 553 | } |
---|
| 554 | }); |
---|
| 555 | |
---|
| 556 | Ajax.PeriodicalUpdater = Class.create(); |
---|
| 557 | Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { |
---|
| 558 | initialize: function(container, url, options) { |
---|
| 559 | this.setOptions(options); |
---|
| 560 | this.onComplete = this.options.onComplete; |
---|
| 561 | |
---|
| 562 | this.frequency = (this.options.frequency || 2); |
---|
| 563 | this.decay = 1; |
---|
| 564 | |
---|
| 565 | this.updater = {}; |
---|
| 566 | this.container = container; |
---|
| 567 | this.url = url; |
---|
| 568 | |
---|
| 569 | this.start(); |
---|
| 570 | }, |
---|
| 571 | |
---|
| 572 | start: function() { |
---|
| 573 | this.options.onComplete = this.updateComplete.bind(this); |
---|
| 574 | this.onTimerEvent(); |
---|
| 575 | }, |
---|
| 576 | |
---|
| 577 | stop: function() { |
---|
| 578 | this.updater.onComplete = undefined; |
---|
| 579 | clearTimeout(this.timer); |
---|
| 580 | (this.onComplete || Ajax.emptyFunction).apply(this, arguments); |
---|
| 581 | }, |
---|
| 582 | |
---|
| 583 | updateComplete: function(request) { |
---|
| 584 | if (this.options.decay) { |
---|
| 585 | this.decay = (request.responseText == this.lastText ? |
---|
| 586 | this.decay * this.options.decay : 1); |
---|
| 587 | |
---|
| 588 | this.lastText = request.responseText; |
---|
| 589 | } |
---|
| 590 | this.timer = setTimeout(this.onTimerEvent.bind(this), |
---|
| 591 | this.decay * this.frequency * 1000); |
---|
| 592 | }, |
---|
| 593 | |
---|
| 594 | onTimerEvent: function() { |
---|
| 595 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
---|
| 596 | } |
---|
| 597 | }); |
---|
| 598 | |
---|
| 599 | document.getElementsByClassName = function(className) { |
---|
| 600 | var children = document.getElementsByTagName('*') || document.all; |
---|
| 601 | var elements = new Array(); |
---|
| 602 | |
---|
| 603 | for (var i = 0; i < children.length; i++) { |
---|
| 604 | var child = children[i]; |
---|
| 605 | var classNames = child.className.split(' '); |
---|
| 606 | for (var j = 0; j < classNames.length; j++) { |
---|
| 607 | if (classNames[j] == className) { |
---|
| 608 | elements.push(child); |
---|
| 609 | break; |
---|
| 610 | } |
---|
| 611 | } |
---|
| 612 | } |
---|
| 613 | |
---|
| 614 | return elements; |
---|
| 615 | } |
---|
| 616 | |
---|
| 617 | /*--------------------------------------------------------------------------*/ |
---|
| 618 | |
---|
| 619 | if (!window.Element) { |
---|
| 620 | var Element = new Object(); |
---|
| 621 | } |
---|
| 622 | |
---|
| 623 | Object.extend(Element, { |
---|
| 624 | toggle: function() { |
---|
| 625 | for (var i = 0; i < arguments.length; i++) { |
---|
| 626 | var element = $(arguments[i]); |
---|
| 627 | element.style.display = |
---|
| 628 | (element.style.display == 'none' ? '' : 'none'); |
---|
| 629 | } |
---|
| 630 | }, |
---|
| 631 | |
---|
| 632 | hide: function() { |
---|
| 633 | for (var i = 0; i < arguments.length; i++) { |
---|
| 634 | var element = $(arguments[i]); |
---|
| 635 | element.style.display = 'none'; |
---|
| 636 | } |
---|
| 637 | }, |
---|
| 638 | |
---|
| 639 | show: function() { |
---|
| 640 | for (var i = 0; i < arguments.length; i++) { |
---|
| 641 | var element = $(arguments[i]); |
---|
| 642 | element.style.display = ''; |
---|
| 643 | } |
---|
| 644 | }, |
---|
| 645 | |
---|
| 646 | remove: function(element) { |
---|
| 647 | element = $(element); |
---|
| 648 | element.parentNode.removeChild(element); |
---|
| 649 | }, |
---|
| 650 | |
---|
| 651 | getHeight: function(element) { |
---|
| 652 | element = $(element); |
---|
| 653 | return element.offsetHeight; |
---|
| 654 | }, |
---|
| 655 | |
---|
| 656 | hasClassName: function(element, className) { |
---|
| 657 | element = $(element); |
---|
| 658 | if (!element) |
---|
| 659 | return; |
---|
| 660 | var a = element.className.split(' '); |
---|
| 661 | for (var i = 0; i < a.length; i++) { |
---|
| 662 | if (a[i] == className) |
---|
| 663 | return true; |
---|
| 664 | } |
---|
| 665 | return false; |
---|
| 666 | }, |
---|
| 667 | |
---|
| 668 | addClassName: function(element, className) { |
---|
| 669 | element = $(element); |
---|
| 670 | Element.removeClassName(element, className); |
---|
| 671 | element.className += ' ' + className; |
---|
| 672 | }, |
---|
| 673 | |
---|
| 674 | removeClassName: function(element, className) { |
---|
| 675 | element = $(element); |
---|
| 676 | if (!element) |
---|
| 677 | return; |
---|
| 678 | var newClassName = ''; |
---|
| 679 | var a = element.className.split(' '); |
---|
| 680 | for (var i = 0; i < a.length; i++) { |
---|
| 681 | if (a[i] != className) { |
---|
| 682 | if (i > 0) |
---|
| 683 | newClassName += ' '; |
---|
| 684 | newClassName += a[i]; |
---|
| 685 | } |
---|
| 686 | } |
---|
| 687 | element.className = newClassName; |
---|
| 688 | }, |
---|
| 689 | |
---|
| 690 | // removes whitespace-only text node children |
---|
| 691 | cleanWhitespace: function(element) { |
---|
| 692 | var element = $(element); |
---|
| 693 | for (var i = 0; i < element.childNodes.length; i++) { |
---|
| 694 | var node = element.childNodes[i]; |
---|
| 695 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
---|
| 696 | Element.remove(node); |
---|
| 697 | } |
---|
| 698 | } |
---|
| 699 | }); |
---|
| 700 | |
---|
| 701 | var Toggle = new Object(); |
---|
| 702 | Toggle.display = Element.toggle; |
---|
| 703 | |
---|
| 704 | /*--------------------------------------------------------------------------*/ |
---|
| 705 | |
---|
| 706 | Abstract.Insertion = function(adjacency) { |
---|
| 707 | this.adjacency = adjacency; |
---|
| 708 | } |
---|
| 709 | |
---|
| 710 | Abstract.Insertion.prototype = { |
---|
| 711 | initialize: function(element, content) { |
---|
| 712 | this.element = $(element); |
---|
| 713 | this.content = content; |
---|
| 714 | |
---|
| 715 | if (this.adjacency && this.element.insertAdjacentHTML) { |
---|
| 716 | this.element.insertAdjacentHTML(this.adjacency, this.content); |
---|
| 717 | } else { |
---|
| 718 | this.range = this.element.ownerDocument.createRange(); |
---|
| 719 | if (this.initializeRange) this.initializeRange(); |
---|
| 720 | this.fragment = this.range.createContextualFragment(this.content); |
---|
| 721 | this.insertContent(); |
---|
| 722 | } |
---|
| 723 | } |
---|
| 724 | } |
---|
| 725 | |
---|
| 726 | var Insertion = new Object(); |
---|
| 727 | |
---|
| 728 | Insertion.Before = Class.create(); |
---|
| 729 | Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { |
---|
| 730 | initializeRange: function() { |
---|
| 731 | this.range.setStartBefore(this.element); |
---|
| 732 | }, |
---|
| 733 | |
---|
| 734 | insertContent: function() { |
---|
| 735 | this.element.parentNode.insertBefore(this.fragment, this.element); |
---|
| 736 | } |
---|
| 737 | }); |
---|
| 738 | |
---|
| 739 | Insertion.Top = Class.create(); |
---|
| 740 | Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { |
---|
| 741 | initializeRange: function() { |
---|
| 742 | this.range.selectNodeContents(this.element); |
---|
| 743 | this.range.collapse(true); |
---|
| 744 | }, |
---|
| 745 | |
---|
| 746 | insertContent: function() { |
---|
| 747 | this.element.insertBefore(this.fragment, this.element.firstChild); |
---|
| 748 | } |
---|
| 749 | }); |
---|
| 750 | |
---|
| 751 | Insertion.Bottom = Class.create(); |
---|
| 752 | Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { |
---|
| 753 | initializeRange: function() { |
---|
| 754 | this.range.selectNodeContents(this.element); |
---|
| 755 | this.range.collapse(this.element); |
---|
| 756 | }, |
---|
| 757 | |
---|
| 758 | insertContent: function() { |
---|
| 759 | this.element.appendChild(this.fragment); |
---|
| 760 | } |
---|
| 761 | }); |
---|
| 762 | |
---|
| 763 | Insertion.After = Class.create(); |
---|
| 764 | Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { |
---|
| 765 | initializeRange: function() { |
---|
| 766 | this.range.setStartAfter(this.element); |
---|
| 767 | }, |
---|
| 768 | |
---|
| 769 | insertContent: function() { |
---|
| 770 | this.element.parentNode.insertBefore(this.fragment, |
---|
| 771 | this.element.nextSibling); |
---|
| 772 | } |
---|
| 773 | }); |
---|
| 774 | |
---|
| 775 | var Field = { |
---|
| 776 | clear: function() { |
---|
| 777 | for (var i = 0; i < arguments.length; i++) |
---|
| 778 | $(arguments[i]).value = ''; |
---|
| 779 | }, |
---|
| 780 | |
---|
| 781 | focus: function(element) { |
---|
| 782 | $(element).focus(); |
---|
| 783 | }, |
---|
| 784 | |
---|
| 785 | present: function() { |
---|
| 786 | for (var i = 0; i < arguments.length; i++) |
---|
| 787 | if ($(arguments[i]).value == '') return false; |
---|
| 788 | return true; |
---|
| 789 | }, |
---|
| 790 | |
---|
| 791 | select: function(element) { |
---|
| 792 | $(element).select(); |
---|
| 793 | }, |
---|
| 794 | |
---|
| 795 | activate: function(element) { |
---|
| 796 | $(element).focus(); |
---|
| 797 | $(element).select(); |
---|
| 798 | } |
---|
| 799 | } |
---|
| 800 | |
---|
| 801 | /*--------------------------------------------------------------------------*/ |
---|
| 802 | |
---|
| 803 | var Form = { |
---|
| 804 | serialize: function(form) { |
---|
| 805 | var elements = Form.getElements($(form)); |
---|
| 806 | var queryComponents = new Array(); |
---|
| 807 | |
---|
| 808 | for (var i = 0; i < elements.length; i++) { |
---|
| 809 | var queryComponent = Form.Element.serialize(elements[i]); |
---|
| 810 | if (queryComponent) |
---|
| 811 | queryComponents.push(queryComponent); |
---|
| 812 | } |
---|
| 813 | |
---|
| 814 | return queryComponents.join('&'); |
---|
| 815 | }, |
---|
| 816 | |
---|
| 817 | getElements: function(form) { |
---|
| 818 | var form = $(form); |
---|
| 819 | var elements = new Array(); |
---|
| 820 | |
---|
| 821 | for (tagName in Form.Element.Serializers) { |
---|
| 822 | var tagElements = form.getElementsByTagName(tagName); |
---|
| 823 | for (var j = 0; j < tagElements.length; j++) |
---|
| 824 | elements.push(tagElements[j]); |
---|
| 825 | } |
---|
| 826 | return elements; |
---|
| 827 | }, |
---|
| 828 | |
---|
| 829 | getInputs: function(form, typeName, name) { |
---|
| 830 | var form = $(form); |
---|
| 831 | var inputs = form.getElementsByTagName('input'); |
---|
| 832 | |
---|
| 833 | if (!typeName && !name) |
---|
| 834 | return inputs; |
---|
| 835 | |
---|
| 836 | var matchingInputs = new Array(); |
---|
| 837 | for (var i = 0; i < inputs.length; i++) { |
---|
| 838 | var input = inputs[i]; |
---|
| 839 | if ((typeName && input.type != typeName) || |
---|
| 840 | (name && input.name != name)) |
---|
| 841 | continue; |
---|
| 842 | matchingInputs.push(input); |
---|
| 843 | } |
---|
| 844 | |
---|
| 845 | return matchingInputs; |
---|
| 846 | }, |
---|
| 847 | |
---|
| 848 | disable: function(form) { |
---|
| 849 | var elements = Form.getElements(form); |
---|
| 850 | for (var i = 0; i < elements.length; i++) { |
---|
| 851 | var element = elements[i]; |
---|
| 852 | element.blur(); |
---|
| 853 | element.disabled = 'true'; |
---|
| 854 | } |
---|
| 855 | }, |
---|
| 856 | |
---|
| 857 | enable: function(form) { |
---|
| 858 | var elements = Form.getElements(form); |
---|
| 859 | for (var i = 0; i < elements.length; i++) { |
---|
| 860 | var element = elements[i]; |
---|
| 861 | element.disabled = ''; |
---|
| 862 | } |
---|
| 863 | }, |
---|
| 864 | |
---|
| 865 | focusFirstElement: function(form) { |
---|
| 866 | var form = $(form); |
---|
| 867 | var elements = Form.getElements(form); |
---|
| 868 | for (var i = 0; i < elements.length; i++) { |
---|
| 869 | var element = elements[i]; |
---|
| 870 | if (element.type != 'hidden' && !element.disabled) { |
---|
| 871 | Field.activate(element); |
---|
| 872 | break; |
---|
| 873 | } |
---|
| 874 | } |
---|
| 875 | }, |
---|
| 876 | |
---|
| 877 | reset: function(form) { |
---|
| 878 | $(form).reset(); |
---|
| 879 | } |
---|
| 880 | } |
---|
| 881 | |
---|
| 882 | Form.Element = { |
---|
| 883 | serialize: function(element) { |
---|
| 884 | var element = $(element); |
---|
| 885 | var method = element.tagName.toLowerCase(); |
---|
| 886 | var parameter = Form.Element.Serializers[method](element); |
---|
| 887 | |
---|
| 888 | if (parameter) |
---|
| 889 | return encodeURIComponent(parameter[0]) + '=' + |
---|
| 890 | encodeURIComponent(parameter[1]); |
---|
| 891 | }, |
---|
| 892 | |
---|
| 893 | getValue: function(element) { |
---|
| 894 | var element = $(element); |
---|
| 895 | var method = element.tagName.toLowerCase(); |
---|
| 896 | var parameter = Form.Element.Serializers[method](element); |
---|
| 897 | |
---|
| 898 | if (parameter) |
---|
| 899 | return parameter[1]; |
---|
| 900 | } |
---|
| 901 | } |
---|
| 902 | |
---|
| 903 | Form.Element.Serializers = { |
---|
| 904 | input: function(element) { |
---|
| 905 | switch (element.type.toLowerCase()) { |
---|
| 906 | case 'submit': |
---|
| 907 | case 'hidden': |
---|
| 908 | case 'password': |
---|
| 909 | case 'text': |
---|
| 910 | return Form.Element.Serializers.textarea(element); |
---|
| 911 | case 'checkbox': |
---|
| 912 | case 'radio': |
---|
| 913 | return Form.Element.Serializers.inputSelector(element); |
---|
| 914 | } |
---|
| 915 | return false; |
---|
| 916 | }, |
---|
| 917 | |
---|
| 918 | inputSelector: function(element) { |
---|
| 919 | if (element.checked) |
---|
| 920 | return [element.name, element.value]; |
---|
| 921 | }, |
---|
| 922 | |
---|
| 923 | textarea: function(element) { |
---|
| 924 | return [element.name, element.value]; |
---|
| 925 | }, |
---|
| 926 | |
---|
| 927 | select: function(element) { |
---|
| 928 | var value = ''; |
---|
| 929 | if (element.type == 'select-one') { |
---|
| 930 | var index = element.selectedIndex; |
---|
| 931 | if (index >= 0) |
---|
| 932 | value = element.options[index].value || element.options[index].text; |
---|
| 933 | } else { |
---|
| 934 | value = new Array(); |
---|
| 935 | for (var i = 0; i < element.length; i++) { |
---|
| 936 | var opt = element.options[i]; |
---|
| 937 | if (opt.selected) |
---|
| 938 | value.push(opt.value || opt.text); |
---|
| 939 | } |
---|
| 940 | } |
---|
| 941 | return [element.name, value]; |
---|
| 942 | } |
---|
| 943 | } |
---|
| 944 | |
---|
| 945 | /*--------------------------------------------------------------------------*/ |
---|
| 946 | |
---|
| 947 | var $F = Form.Element.getValue; |
---|
| 948 | |
---|
| 949 | /*--------------------------------------------------------------------------*/ |
---|
| 950 | |
---|
| 951 | Abstract.TimedObserver = function() {} |
---|
| 952 | Abstract.TimedObserver.prototype = { |
---|
| 953 | initialize: function(element, frequency, callback) { |
---|
| 954 | this.frequency = frequency; |
---|
| 955 | this.element = $(element); |
---|
| 956 | this.callback = callback; |
---|
| 957 | |
---|
| 958 | this.lastValue = this.getValue(); |
---|
| 959 | this.registerCallback(); |
---|
| 960 | }, |
---|
| 961 | |
---|
| 962 | registerCallback: function() { |
---|
| 963 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
---|
| 964 | }, |
---|
| 965 | |
---|
| 966 | onTimerEvent: function() { |
---|
| 967 | var value = this.getValue(); |
---|
| 968 | if (this.lastValue != value) { |
---|
| 969 | this.callback(this.element, value); |
---|
| 970 | this.lastValue = value; |
---|
| 971 | } |
---|
| 972 | } |
---|
| 973 | } |
---|
| 974 | |
---|
| 975 | Form.Element.Observer = Class.create(); |
---|
| 976 | Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
---|
| 977 | getValue: function() { |
---|
| 978 | return Form.Element.getValue(this.element); |
---|
| 979 | } |
---|
| 980 | }); |
---|
| 981 | |
---|
| 982 | Form.Observer = Class.create(); |
---|
| 983 | Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
---|
| 984 | getValue: function() { |
---|
| 985 | return Form.serialize(this.element); |
---|
| 986 | } |
---|
| 987 | }); |
---|
| 988 | |
---|
| 989 | /*--------------------------------------------------------------------------*/ |
---|
| 990 | |
---|
| 991 | Abstract.EventObserver = function() {} |
---|
| 992 | Abstract.EventObserver.prototype = { |
---|
| 993 | initialize: function(element, callback) { |
---|
| 994 | this.element = $(element); |
---|
| 995 | this.callback = callback; |
---|
| 996 | |
---|
| 997 | this.lastValue = this.getValue(); |
---|
| 998 | if (this.element.tagName.toLowerCase() == 'form') |
---|
| 999 | this.registerFormCallbacks(); |
---|
| 1000 | else |
---|
| 1001 | this.registerCallback(this.element); |
---|
| 1002 | }, |
---|
| 1003 | |
---|
| 1004 | onElementEvent: function() { |
---|
| 1005 | var value = this.getValue(); |
---|
| 1006 | if (this.lastValue != value) { |
---|
| 1007 | this.callback(this.element, value); |
---|
| 1008 | this.lastValue = value; |
---|
| 1009 | } |
---|
| 1010 | }, |
---|
| 1011 | |
---|
| 1012 | registerFormCallbacks: function() { |
---|
| 1013 | var elements = Form.getElements(this.element); |
---|
| 1014 | for (var i = 0; i < elements.length; i++) |
---|
| 1015 | this.registerCallback(elements[i]); |
---|
| 1016 | }, |
---|
| 1017 | |
---|
| 1018 | registerCallback: function(element) { |
---|
| 1019 | if (element.type) { |
---|
| 1020 | switch (element.type.toLowerCase()) { |
---|
| 1021 | case 'checkbox': |
---|
| 1022 | case 'radio': |
---|
| 1023 | element.target = this; |
---|
| 1024 | element.prev_onclick = element.onclick || Prototype.emptyFunction; |
---|
| 1025 | element.onclick = function() { |
---|
| 1026 | this.prev_onclick(); |
---|
| 1027 | this.target.onElementEvent(); |
---|
| 1028 | } |
---|
| 1029 | break; |
---|
| 1030 | case 'password': |
---|
| 1031 | case 'text': |
---|
| 1032 | case 'textarea': |
---|
| 1033 | case 'select-one': |
---|
| 1034 | case 'select-multiple': |
---|
| 1035 | element.target = this; |
---|
| 1036 | element.prev_onchange = element.onchange || Prototype.emptyFunction; |
---|
| 1037 | element.onchange = function() { |
---|
| 1038 | this.prev_onchange(); |
---|
| 1039 | this.target.onElementEvent(); |
---|
| 1040 | } |
---|
| 1041 | break; |
---|
| 1042 | } |
---|
| 1043 | } |
---|
| 1044 | } |
---|
| 1045 | } |
---|
| 1046 | |
---|
| 1047 | Form.Element.EventObserver = Class.create(); |
---|
| 1048 | Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
---|
| 1049 | getValue: function() { |
---|
| 1050 | return Form.Element.getValue(this.element); |
---|
| 1051 | } |
---|
| 1052 | }); |
---|
| 1053 | |
---|
| 1054 | Form.EventObserver = Class.create(); |
---|
| 1055 | Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
---|
| 1056 | getValue: function() { |
---|
| 1057 | return Form.serialize(this.element); |
---|
| 1058 | } |
---|
| 1059 | }); |
---|
| 1060 | |
---|
| 1061 | |
---|
| 1062 | if (!window.Event) { |
---|
| 1063 | var Event = new Object(); |
---|
| 1064 | } |
---|
| 1065 | |
---|
| 1066 | Object.extend(Event, { |
---|
| 1067 | KEY_BACKSPACE: 8, |
---|
| 1068 | KEY_TAB: 9, |
---|
| 1069 | KEY_RETURN: 13, |
---|
| 1070 | KEY_ESC: 27, |
---|
| 1071 | KEY_LEFT: 37, |
---|
| 1072 | KEY_UP: 38, |
---|
| 1073 | KEY_RIGHT: 39, |
---|
| 1074 | KEY_DOWN: 40, |
---|
| 1075 | KEY_DELETE: 46, |
---|
| 1076 | |
---|
| 1077 | element: function(event) { |
---|
| 1078 | return event.target || event.srcElement; |
---|
| 1079 | }, |
---|
| 1080 | |
---|
| 1081 | isLeftClick: function(event) { |
---|
| 1082 | return (((event.which) && (event.which == 1)) || |
---|
| 1083 | ((event.button) && (event.button == 1))); |
---|
| 1084 | }, |
---|
| 1085 | |
---|
| 1086 | pointerX: function(event) { |
---|
| 1087 | return event.pageX || (event.clientX + |
---|
| 1088 | (document.documentElement.scrollLeft || document.body.scrollLeft)); |
---|
| 1089 | }, |
---|
| 1090 | |
---|
| 1091 | pointerY: function(event) { |
---|
| 1092 | return event.pageY || (event.clientY + |
---|
| 1093 | (document.documentElement.scrollTop || document.body.scrollTop)); |
---|
| 1094 | }, |
---|
| 1095 | |
---|
| 1096 | stop: function(event) { |
---|
| 1097 | if (event.preventDefault) { |
---|
| 1098 | event.preventDefault(); |
---|
| 1099 | event.stopPropagation(); |
---|
| 1100 | } else { |
---|
| 1101 | event.returnValue = false; |
---|
| 1102 | } |
---|
| 1103 | }, |
---|
| 1104 | |
---|
| 1105 | // find the first node with the given tagName, starting from the |
---|
| 1106 | // node the event was triggered on; traverses the DOM upwards |
---|
| 1107 | findElement: function(event, tagName) { |
---|
| 1108 | var element = Event.element(event); |
---|
| 1109 | while (element.parentNode && (!element.tagName || |
---|
| 1110 | (element.tagName.toUpperCase() != tagName.toUpperCase()))) |
---|
| 1111 | element = element.parentNode; |
---|
| 1112 | return element; |
---|
| 1113 | }, |
---|
| 1114 | |
---|
| 1115 | observers: false, |
---|
| 1116 | |
---|
| 1117 | _observeAndCache: function(element, name, observer, useCapture) { |
---|
| 1118 | if (!this.observers) this.observers = []; |
---|
| 1119 | if (element.addEventListener) { |
---|
| 1120 | this.observers.push([element, name, observer, useCapture]); |
---|
| 1121 | element.addEventListener(name, observer, useCapture); |
---|
| 1122 | } else if (element.attachEvent) { |
---|
| 1123 | this.observers.push([element, name, observer, useCapture]); |
---|
| 1124 | element.attachEvent('on' + name, observer); |
---|
| 1125 | } |
---|
| 1126 | }, |
---|
| 1127 | |
---|
| 1128 | unloadCache: function() { |
---|
| 1129 | if (!Event.observers) return; |
---|
| 1130 | for (var i = 0; i < Event.observers.length; i++) { |
---|
| 1131 | Event.stopObserving.apply(this, Event.observers[i]); |
---|
| 1132 | Event.observers[i][0] = null; |
---|
| 1133 | } |
---|
| 1134 | Event.observers = false; |
---|
| 1135 | }, |
---|
| 1136 | |
---|
| 1137 | observe: function(element, name, observer, useCapture) { |
---|
| 1138 | var element = $(element); |
---|
| 1139 | useCapture = useCapture || false; |
---|
| 1140 | |
---|
| 1141 | if (name == 'keypress' && |
---|
| 1142 | ((/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
---|
| 1143 | || element.attachEvent)) |
---|
| 1144 | name = 'keydown'; |
---|
| 1145 | |
---|
| 1146 | this._observeAndCache(element, name, observer, useCapture); |
---|
| 1147 | }, |
---|
| 1148 | |
---|
| 1149 | stopObserving: function(element, name, observer, useCapture) { |
---|
| 1150 | var element = $(element); |
---|
| 1151 | useCapture = useCapture || false; |
---|
| 1152 | |
---|
| 1153 | if (name == 'keypress' && |
---|
| 1154 | ((/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
---|
| 1155 | || element.detachEvent)) |
---|
| 1156 | name = 'keydown'; |
---|
| 1157 | |
---|
| 1158 | if (element.removeEventListener) { |
---|
| 1159 | element.removeEventListener(name, observer, useCapture); |
---|
| 1160 | } else if (element.detachEvent) { |
---|
| 1161 | element.detachEvent('on' + name, observer); |
---|
| 1162 | } |
---|
| 1163 | } |
---|
| 1164 | }); |
---|
| 1165 | |
---|
| 1166 | /* prevent memory leaks in IE */ |
---|
| 1167 | Event.observe(window, 'unload', Event.unloadCache, false); |
---|
| 1168 | |
---|
| 1169 | var Position = { |
---|
| 1170 | |
---|
| 1171 | // set to true if needed, warning: firefox performance problems |
---|
| 1172 | // NOT neeeded for page scrolling, only if draggable contained in |
---|
| 1173 | // scrollable elements |
---|
| 1174 | includeScrollOffsets: false, |
---|
| 1175 | |
---|
| 1176 | // must be called before calling withinIncludingScrolloffset, every time the |
---|
| 1177 | // page is scrolled |
---|
| 1178 | prepare: function() { |
---|
| 1179 | this.deltaX = window.pageXOffset |
---|
| 1180 | || document.documentElement.scrollLeft |
---|
| 1181 | || document.body.scrollLeft |
---|
| 1182 | || 0; |
---|
| 1183 | this.deltaY = window.pageYOffset |
---|
| 1184 | || document.documentElement.scrollTop |
---|
| 1185 | || document.body.scrollTop |
---|
| 1186 | || 0; |
---|
| 1187 | }, |
---|
| 1188 | |
---|
| 1189 | realOffset: function(element) { |
---|
| 1190 | var valueT = 0, valueL = 0; |
---|
| 1191 | do { |
---|
| 1192 | valueT += element.scrollTop || 0; |
---|
| 1193 | valueL += element.scrollLeft || 0; |
---|
| 1194 | element = element.parentNode; |
---|
| 1195 | } while (element); |
---|
| 1196 | return [valueL, valueT]; |
---|
| 1197 | }, |
---|
| 1198 | |
---|
| 1199 | cumulativeOffset: function(element) { |
---|
| 1200 | var valueT = 0, valueL = 0; |
---|
| 1201 | do { |
---|
| 1202 | valueT += element.offsetTop || 0; |
---|
| 1203 | valueL += element.offsetLeft || 0; |
---|
| 1204 | element = element.offsetParent; |
---|
| 1205 | } while (element); |
---|
| 1206 | return [valueL, valueT]; |
---|
| 1207 | }, |
---|
| 1208 | |
---|
| 1209 | // caches x/y coordinate pair to use with overlap |
---|
| 1210 | within: function(element, x, y) { |
---|
| 1211 | if (this.includeScrollOffsets) |
---|
| 1212 | return this.withinIncludingScrolloffsets(element, x, y); |
---|
| 1213 | this.xcomp = x; |
---|
| 1214 | this.ycomp = y; |
---|
| 1215 | this.offset = this.cumulativeOffset(element); |
---|
| 1216 | |
---|
| 1217 | return (y >= this.offset[1] && |
---|
| 1218 | y < this.offset[1] + element.offsetHeight && |
---|
| 1219 | x >= this.offset[0] && |
---|
| 1220 | x < this.offset[0] + element.offsetWidth); |
---|
| 1221 | }, |
---|
| 1222 | |
---|
| 1223 | withinIncludingScrolloffsets: function(element, x, y) { |
---|
| 1224 | var offsetcache = this.realOffset(element); |
---|
| 1225 | |
---|
| 1226 | this.xcomp = x + offsetcache[0] - this.deltaX; |
---|
| 1227 | this.ycomp = y + offsetcache[1] - this.deltaY; |
---|
| 1228 | this.offset = this.cumulativeOffset(element); |
---|
| 1229 | |
---|
| 1230 | return (this.ycomp >= this.offset[1] && |
---|
| 1231 | this.ycomp < this.offset[1] + element.offsetHeight && |
---|
| 1232 | this.xcomp >= this.offset[0] && |
---|
| 1233 | this.xcomp < this.offset[0] + element.offsetWidth); |
---|
| 1234 | }, |
---|
| 1235 | |
---|
| 1236 | // within must be called directly before |
---|
| 1237 | overlap: function(mode, element) { |
---|
| 1238 | if (!mode) return 0; |
---|
| 1239 | if (mode == 'vertical') |
---|
| 1240 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
---|
| 1241 | element.offsetHeight; |
---|
| 1242 | if (mode == 'horizontal') |
---|
| 1243 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
---|
| 1244 | element.offsetWidth; |
---|
| 1245 | }, |
---|
| 1246 | |
---|
| 1247 | clone: function(source, target) { |
---|
| 1248 | source = $(source); |
---|
| 1249 | target = $(target); |
---|
| 1250 | target.style.position = 'absolute'; |
---|
| 1251 | var offsets = this.cumulativeOffset(source); |
---|
| 1252 | target.style.top = offsets[1] + 'px'; |
---|
| 1253 | target.style.left = offsets[0] + 'px'; |
---|
| 1254 | target.style.width = source.offsetWidth + 'px'; |
---|
| 1255 | target.style.height = source.offsetHeight + 'px'; |
---|
| 1256 | } |
---|
| 1257 | } |
---|