[1417] | 1 | /* Prototype JavaScript framework, version 1.3.1
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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: '1.3.1',
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| 15 | emptyFunction: function() {}
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| 16 | }
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| 17 |
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| 18 | var Class = {
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| 19 | create: function() {
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| 20 | return function() {
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| 21 | this.initialize.apply(this, arguments);
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| 22 | }
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| 23 | }
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| 24 | }
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| 25 |
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| 26 | var Abstract = new Object();
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| 27 |
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| 28 | Object.extend = function(destination, source) {
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| 29 | for (property in source) {
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| 30 | destination[property] = source[property];
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| 31 | }
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| 32 | return destination;
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| 33 | }
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| 34 |
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| 35 | Object.prototype.extend = function(object) {
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| 36 | return Object.extend.apply(this, [this, object]);
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| 37 | }
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| 38 |
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| 39 | Function.prototype.bind = function(object) {
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| 40 | var __method = this;
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| 41 | return function() {
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| 42 | __method.apply(object, arguments);
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| 43 | }
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| 44 | }
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| 45 |
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| 46 | Function.prototype.bindAsEventListener = function(object) {
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| 47 | var __method = this;
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| 48 | return function(event) {
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| 49 | __method.call(object, event || window.event);
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| 50 | }
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| 51 | }
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| 52 |
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| 53 | Number.prototype.toColorPart = function() {
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| 54 | var digits = this.toString(16);
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| 55 | if (this < 16) return '0' + digits;
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| 56 | return digits;
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| 57 | }
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| 58 |
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| 59 | var Try = {
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| 60 | these: function() {
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| 61 | var returnValue;
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| 62 |
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| 63 | for (var i = 0; i < arguments.length; i++) {
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| 64 | var lambda = arguments[i];
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| 65 | try {
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| 66 | returnValue = lambda();
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| 67 | break;
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| 68 | } catch (e) {}
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| 69 | }
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| 70 |
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| 71 | return returnValue;
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| 72 | }
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| 73 | }
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| 74 |
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| 75 | /*--------------------------------------------------------------------------*/
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| 76 |
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| 77 | var PeriodicalExecuter = Class.create();
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| 78 | PeriodicalExecuter.prototype = {
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| 79 | initialize: function(callback, frequency) {
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| 80 | this.callback = callback;
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| 81 | this.frequency = frequency;
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| 82 | this.currentlyExecuting = false;
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| 83 |
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| 84 | this.registerCallback();
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| 85 | },
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| 86 |
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| 87 | registerCallback: function() {
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| 88 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
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| 89 | },
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| 90 |
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| 91 | onTimerEvent: function() {
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| 92 | if (!this.currentlyExecuting) {
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| 93 | try {
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| 94 | this.currentlyExecuting = true;
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| 95 | this.callback();
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| 96 | } finally {
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| 97 | this.currentlyExecuting = false;
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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 | /*--------------------------------------------------------------------------*/
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| 104 |
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| 105 | function $() {
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| 106 | var elements = new Array();
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| 107 |
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| 108 | for (var i = 0; i < arguments.length; i++) {
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| 109 | var element = arguments[i];
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| 110 | if (typeof element == 'string')
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| 111 | element = document.getElementById(element);
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| 112 |
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| 113 | if (arguments.length == 1)
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| 114 | return element;
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| 115 |
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| 116 | elements.push(element);
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| 117 | }
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| 118 |
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| 119 | return elements;
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| 120 | }
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| 121 |
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| 122 | if (!Array.prototype.push) {
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| 123 | Array.prototype.push = function() {
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| 124 | var startLength = this.length;
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| 125 | for (var i = 0; i < arguments.length; i++)
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| 126 | this[startLength + i] = arguments[i];
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| 127 | return this.length;
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| 128 | }
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| 129 | }
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| 130 |
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| 131 | if (!Function.prototype.apply) {
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| 132 | // Based on code from http://www.youngpup.net/
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| 133 | Function.prototype.apply = function(object, parameters) {
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| 134 | var parameterStrings = new Array();
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| 135 | if (!object) object = window;
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| 136 | if (!parameters) parameters = new Array();
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| 137 |
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| 138 | for (var i = 0; i < parameters.length; i++)
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| 139 | parameterStrings[i] = 'parameters[' + i + ']';
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| 140 |
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| 141 | object.__apply__ = this;
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| 142 | var result = eval('object.__apply__(' +
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| 143 | parameterStrings.join(', ') + ')');
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| 144 | object.__apply__ = null;
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| 145 |
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| 146 | return result;
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| 147 | }
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| 148 | }
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| 149 |
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| 150 | String.prototype.extend({
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| 151 | stripTags: function() {
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| 152 | return this.replace(/<\/?[^>]+>/gi, '');
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| 153 | },
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| 154 |
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| 155 | escapeHTML: function() {
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| 156 | var div = document.createElement('div');
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| 157 | var text = document.createTextNode(this);
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| 158 | div.appendChild(text);
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| 159 | return div.innerHTML;
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| 160 | },
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| 161 |
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| 162 | unescapeHTML: function() {
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| 163 | var div = document.createElement('div');
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| 164 | div.innerHTML = this.stripTags();
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| 165 | return div.childNodes[0].nodeValue;
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| 166 | }
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| 167 | });
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| 168 |
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| 169 | var Ajax = {
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| 170 | getTransport: function() {
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| 171 | return Try.these(
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| 172 | function() {return new ActiveXObject('Msxml2.XMLHTTP')},
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| 173 | function() {return new ActiveXObject('Microsoft.XMLHTTP')},
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| 174 | function() {return new XMLHttpRequest()}
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| 175 | ) || false;
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| 176 | }
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| 177 | }
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| 178 |
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| 179 | Ajax.Base = function() {};
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| 180 | Ajax.Base.prototype = {
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| 181 | setOptions: function(options) {
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| 182 | this.options = {
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| 183 | method: 'post',
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| 184 | asynchronous: true,
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| 185 | parameters: ''
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| 186 | }.extend(options || {});
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| 187 | },
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| 188 |
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| 189 | responseIsSuccess: function() {
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| 190 | return this.transport.status == undefined
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| 191 | || this.transport.status == 0
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| 192 | || (this.transport.status >= 200 && this.transport.status < 300);
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| 193 | },
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| 194 |
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| 195 | responseIsFailure: function() {
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| 196 | return !this.responseIsSuccess();
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| 197 | }
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| 198 | }
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| 199 |
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| 200 | Ajax.Request = Class.create();
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| 201 | Ajax.Request.Events =
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| 202 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
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| 203 |
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| 204 | Ajax.Request.prototype = (new Ajax.Base()).extend({
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| 205 | initialize: function(url, options) {
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| 206 | this.transport = Ajax.getTransport();
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| 207 | this.setOptions(options);
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| 208 | this.request(url);
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| 209 | },
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| 210 |
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| 211 | request: function(url) {
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| 212 | var parameters = this.options.parameters || '';
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| 213 | if (parameters.length > 0) parameters += '&_=';
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| 214 |
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| 215 | try {
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| 216 | if (this.options.method == 'get')
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| 217 | url += '?' + parameters;
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| 218 |
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| 219 | this.transport.open(this.options.method, url,
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| 220 | this.options.asynchronous);
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| 221 |
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| 222 | if (this.options.asynchronous) {
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| 223 | this.transport.onreadystatechange = this.onStateChange.bind(this);
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| 224 | setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
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| 225 | }
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| 226 |
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| 227 | this.setRequestHeaders();
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| 228 |
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| 229 | var body = this.options.postBody ? this.options.postBody : parameters;
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| 230 | this.transport.send(this.options.method == 'post' ? body : null);
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| 231 |
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| 232 | } catch (e) {
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| 233 | }
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| 234 | },
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| 235 |
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| 236 | setRequestHeaders: function() {
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| 237 | var requestHeaders =
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| 238 | ['X-Requested-With', 'XMLHttpRequest',
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| 239 | 'X-Prototype-Version', Prototype.Version];
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| 240 |
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| 241 | if (this.options.method == 'post') {
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| 242 | requestHeaders.push('Content-type',
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| 243 | 'application/x-www-form-urlencoded');
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| 244 |
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| 245 | /* Force "Connection: close" for Mozilla browsers to work around
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| 246 | * a bug where XMLHttpReqeuest sends an incorrect Content-length
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| 247 | * header. See Mozilla Bugzilla #246651.
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| 248 | */
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| 249 | if (this.transport.overrideMimeType)
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| 250 | requestHeaders.push('Connection', 'close');
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| 251 | }
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| 252 |
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| 253 | if (this.options.requestHeaders)
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| 254 | requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
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| 255 |
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| 256 | for (var i = 0; i < requestHeaders.length; i += 2)
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| 257 | this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
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| 258 | },
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| 259 |
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| 260 | onStateChange: function() {
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| 261 | var readyState = this.transport.readyState;
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| 262 | if (readyState != 1)
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| 263 | this.respondToReadyState(this.transport.readyState);
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| 264 | },
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| 265 |
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| 266 | respondToReadyState: function(readyState) {
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| 267 | var event = Ajax.Request.Events[readyState];
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| 268 |
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| 269 | if (event == 'Complete')
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| 270 | (this.options['on' + this.transport.status]
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| 271 | || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
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| 272 | || Prototype.emptyFunction)(this.transport);
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| 273 |
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| 274 | (this.options['on' + event] || Prototype.emptyFunction)(this.transport);
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| 275 |
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| 276 | /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
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| 277 | if (event == 'Complete')
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| 278 | this.transport.onreadystatechange = Prototype.emptyFunction;
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| 279 | }
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| 280 | });
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| 281 |
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| 282 | Ajax.Updater = Class.create();
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| 283 | Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|.)*?)(?:<\/script>)';
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| 284 |
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| 285 | Ajax.Updater.prototype.extend(Ajax.Request.prototype).extend({
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| 286 | initialize: function(container, url, options) {
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| 287 | this.containers = {
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| 288 | success: container.success ? $(container.success) : $(container),
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| 289 | failure: container.failure ? $(container.failure) :
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| 290 | (container.success ? null : $(container))
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| 291 | }
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| 292 |
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| 293 | this.transport = Ajax.getTransport();
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| 294 | this.setOptions(options);
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| 295 |
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| 296 | var onComplete = this.options.onComplete || Prototype.emptyFunction;
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| 297 | this.options.onComplete = (function() {
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| 298 | this.updateContent();
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| 299 | onComplete(this.transport);
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| 300 | }).bind(this);
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| 301 |
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| 302 | this.request(url);
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| 303 | },
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| 304 |
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| 305 | updateContent: function() {
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| 306 | var receiver = this.responseIsSuccess() ?
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| 307 | this.containers.success : this.containers.failure;
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| 308 |
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| 309 | var match = new RegExp(Ajax.Updater.ScriptFragment, 'img');
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| 310 | var response = this.transport.responseText.replace(match, '');
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| 311 | var scripts = this.transport.responseText.match(match);
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| 312 |
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| 313 | if (receiver) {
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| 314 | if (this.options.insertion) {
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| 315 | new this.options.insertion(receiver, response);
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| 316 | } else {
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| 317 | receiver.innerHTML = response;
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| 318 | }
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| 319 | }
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| 320 |
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| 321 | if (this.responseIsSuccess()) {
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| 322 | if (this.onComplete)
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| 323 | setTimeout((function() {this.onComplete(
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| 324 | this.transport)}).bind(this), 10);
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| 325 | }
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| 326 |
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| 327 | if (this.options.evalScripts && scripts) {
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| 328 | match = new RegExp(Ajax.Updater.ScriptFragment, 'im');
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| 329 | setTimeout((function() {
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| 330 | for (var i = 0; i < scripts.length; i++)
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| 331 | eval(scripts[i].match(match)[1]);
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| 332 | }).bind(this), 10);
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| 333 | }
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| 334 | }
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| 335 | });
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| 336 |
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| 337 | Ajax.PeriodicalUpdater = Class.create();
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| 338 | Ajax.PeriodicalUpdater.prototype = (new Ajax.Base()).extend({
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| 339 | initialize: function(container, url, options) {
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| 340 | this.setOptions(options);
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| 341 | this.onComplete = this.options.onComplete;
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| 342 |
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| 343 | this.frequency = (this.options.frequency || 2);
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| 344 | this.decay = 1;
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| 345 |
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| 346 | this.updater = {};
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| 347 | this.container = container;
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| 348 | this.url = url;
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| 349 |
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| 350 | this.start();
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| 351 | },
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| 352 |
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| 353 | start: function() {
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| 354 | this.options.onComplete = this.updateComplete.bind(this);
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| 355 | this.onTimerEvent();
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| 356 | },
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| 357 |
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| 358 | stop: function() {
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| 359 | this.updater.onComplete = undefined;
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| 360 | clearTimeout(this.timer);
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| 361 | (this.onComplete || Ajax.emptyFunction).apply(this, arguments);
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| 362 | },
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| 363 |
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| 364 | updateComplete: function(request) {
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| 365 | if (this.options.decay) {
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| 366 | this.decay = (request.responseText == this.lastText ?
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| 367 | this.decay * this.options.decay : 1);
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| 368 |
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| 369 | this.lastText = request.responseText;
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| 370 | }
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| 371 | this.timer = setTimeout(this.onTimerEvent.bind(this),
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| 372 | this.decay * this.frequency * 1000);
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| 373 | },
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| 374 |
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| 375 | onTimerEvent: function() {
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| 376 | this.updater = new Ajax.Updater(this.container, this.url, this.options);
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| 377 | }
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| 378 | });
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| 379 |
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| 380 | document.getElementsByClassName = function(className) {
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| 381 | var children = document.getElementsByTagName('*') || document.all;
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| 382 | var elements = new Array();
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| 383 |
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| 384 | for (var i = 0; i < children.length; i++) {
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| 385 | var child = children[i];
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| 386 | var classNames = child.className.split(' ');
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| 387 | for (var j = 0; j < classNames.length; j++) {
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| 388 | if (classNames[j] == className) {
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| 389 | elements.push(child);
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| 390 | break;
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| 391 | }
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| 392 | }
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| 393 | }
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| 394 |
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| 395 | return elements;
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| 396 | }
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| 397 |
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| 398 | /*--------------------------------------------------------------------------*/
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| 399 |
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| 400 | if (!window.Element) {
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| 401 | var Element = new Object();
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| 402 | }
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| 403 |
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| 404 | Object.extend(Element, {
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| 405 | toggle: function() {
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| 406 | for (var i = 0; i < arguments.length; i++) {
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| 407 | var element = $(arguments[i]);
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| 408 | element.style.display =
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| 409 | (element.style.display == 'none' ? '' : 'none');
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| 410 | }
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| 411 | },
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| 412 |
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| 413 | hide: function() {
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| 414 | for (var i = 0; i < arguments.length; i++) {
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| 415 | var element = $(arguments[i]);
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| 416 | element.style.display = 'none';
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| 417 | }
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| 418 | },
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| 419 |
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| 420 | show: function() {
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| 421 | for (var i = 0; i < arguments.length; i++) {
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| 422 | var element = $(arguments[i]);
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| 423 | element.style.display = '';
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| 424 | }
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| 425 | },
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| 426 |
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| 427 | remove: function(element) {
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| 428 | element = $(element);
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| 429 | element.parentNode.removeChild(element);
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| 430 | },
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| 431 |
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| 432 | getHeight: function(element) {
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| 433 | element = $(element);
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| 434 | return element.offsetHeight;
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| 435 | },
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| 436 |
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| 437 | hasClassName: function(element, className) {
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| 438 | element = $(element);
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| 439 | if (!element)
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| 440 | return;
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| 441 | var a = element.className.split(' ');
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| 442 | for (var i = 0; i < a.length; i++) {
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| 443 | if (a[i] == className)
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| 444 | return true;
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| 445 | }
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| 446 | return false;
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| 447 | },
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| 448 |
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| 449 | addClassName: function(element, className) {
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| 450 | element = $(element);
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| 451 | Element.removeClassName(element, className);
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| 452 | element.className += ' ' + className;
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| 453 | },
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| 454 |
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| 455 | removeClassName: function(element, className) {
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| 456 | element = $(element);
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| 457 | if (!element)
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| 458 | return;
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| 459 | var newClassName = '';
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| 460 | var a = element.className.split(' ');
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| 461 | for (var i = 0; i < a.length; i++) {
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| 462 | if (a[i] != className) {
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| 463 | if (i > 0)
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| 464 | newClassName += ' ';
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| 465 | newClassName += a[i];
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| 466 | }
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| 467 | }
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| 468 | element.className = newClassName;
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| 469 | },
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| 470 |
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| 471 | // removes whitespace-only text node children
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| 472 | cleanWhitespace: function(element) {
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| 473 | var element = $(element);
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| 474 | for (var i = 0; i < element.childNodes.length; i++) {
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| 475 | var node = element.childNodes[i];
|
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| 476 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
|
---|
| 477 | Element.remove(node);
|
---|
| 478 | }
|
---|
| 479 | }
|
---|
| 480 | });
|
---|
| 481 |
|
---|
| 482 | var Toggle = new Object();
|
---|
| 483 | Toggle.display = Element.toggle;
|
---|
| 484 |
|
---|
| 485 | /*--------------------------------------------------------------------------*/
|
---|
| 486 |
|
---|
| 487 | Abstract.Insertion = function(adjacency) {
|
---|
| 488 | this.adjacency = adjacency;
|
---|
| 489 | }
|
---|
| 490 |
|
---|
| 491 | Abstract.Insertion.prototype = {
|
---|
| 492 | initialize: function(element, content) {
|
---|
| 493 | this.element = $(element);
|
---|
| 494 | this.content = content;
|
---|
| 495 |
|
---|
| 496 | if (this.adjacency && this.element.insertAdjacentHTML) {
|
---|
| 497 | this.element.insertAdjacentHTML(this.adjacency, this.content);
|
---|
| 498 | } else {
|
---|
| 499 | this.range = this.element.ownerDocument.createRange();
|
---|
| 500 | if (this.initializeRange) this.initializeRange();
|
---|
| 501 | this.fragment = this.range.createContextualFragment(this.content);
|
---|
| 502 | this.insertContent();
|
---|
| 503 | }
|
---|
| 504 | }
|
---|
| 505 | }
|
---|
| 506 |
|
---|
| 507 | var Insertion = new Object();
|
---|
| 508 |
|
---|
| 509 | Insertion.Before = Class.create();
|
---|
| 510 | Insertion.Before.prototype = (new Abstract.Insertion('beforeBegin')).extend({
|
---|
| 511 | initializeRange: function() {
|
---|
| 512 | this.range.setStartBefore(this.element);
|
---|
| 513 | },
|
---|
| 514 |
|
---|
| 515 | insertContent: function() {
|
---|
| 516 | this.element.parentNode.insertBefore(this.fragment, this.element);
|
---|
| 517 | }
|
---|
| 518 | });
|
---|
| 519 |
|
---|
| 520 | Insertion.Top = Class.create();
|
---|
| 521 | Insertion.Top.prototype = (new Abstract.Insertion('afterBegin')).extend({
|
---|
| 522 | initializeRange: function() {
|
---|
| 523 | this.range.selectNodeContents(this.element);
|
---|
| 524 | this.range.collapse(true);
|
---|
| 525 | },
|
---|
| 526 |
|
---|
| 527 | insertContent: function() {
|
---|
| 528 | this.element.insertBefore(this.fragment, this.element.firstChild);
|
---|
| 529 | }
|
---|
| 530 | });
|
---|
| 531 |
|
---|
| 532 | Insertion.Bottom = Class.create();
|
---|
| 533 | Insertion.Bottom.prototype = (new Abstract.Insertion('beforeEnd')).extend({
|
---|
| 534 | initializeRange: function() {
|
---|
| 535 | this.range.selectNodeContents(this.element);
|
---|
| 536 | this.range.collapse(this.element);
|
---|
| 537 | },
|
---|
| 538 |
|
---|
| 539 | insertContent: function() {
|
---|
| 540 | this.element.appendChild(this.fragment);
|
---|
| 541 | }
|
---|
| 542 | });
|
---|
| 543 |
|
---|
| 544 | Insertion.After = Class.create();
|
---|
| 545 | Insertion.After.prototype = (new Abstract.Insertion('afterEnd')).extend({
|
---|
| 546 | initializeRange: function() {
|
---|
| 547 | this.range.setStartAfter(this.element);
|
---|
| 548 | },
|
---|
| 549 |
|
---|
| 550 | insertContent: function() {
|
---|
| 551 | this.element.parentNode.insertBefore(this.fragment,
|
---|
| 552 | this.element.nextSibling);
|
---|
| 553 | }
|
---|
| 554 | });
|
---|
| 555 |
|
---|
| 556 | var Field = {
|
---|
| 557 | clear: function() {
|
---|
| 558 | for (var i = 0; i < arguments.length; i++)
|
---|
| 559 | $(arguments[i]).value = '';
|
---|
| 560 | },
|
---|
| 561 |
|
---|
| 562 | focus: function(element) {
|
---|
| 563 | $(element).focus();
|
---|
| 564 | },
|
---|
| 565 |
|
---|
| 566 | present: function() {
|
---|
| 567 | for (var i = 0; i < arguments.length; i++)
|
---|
| 568 | if ($(arguments[i]).value == '') return false;
|
---|
| 569 | return true;
|
---|
| 570 | },
|
---|
| 571 |
|
---|
| 572 | select: function(element) {
|
---|
| 573 | $(element).select();
|
---|
| 574 | },
|
---|
| 575 |
|
---|
| 576 | activate: function(element) {
|
---|
| 577 | $(element).focus();
|
---|
| 578 | $(element).select();
|
---|
| 579 | }
|
---|
| 580 | }
|
---|
| 581 |
|
---|
| 582 | /*--------------------------------------------------------------------------*/
|
---|
| 583 |
|
---|
| 584 | var Form = {
|
---|
| 585 | serialize: function(form) {
|
---|
| 586 | var elements = Form.getElements($(form));
|
---|
| 587 | var queryComponents = new Array();
|
---|
| 588 |
|
---|
| 589 | for (var i = 0; i < elements.length; i++) {
|
---|
| 590 | var queryComponent = Form.Element.serialize(elements[i]);
|
---|
| 591 | if (queryComponent)
|
---|
| 592 | queryComponents.push(queryComponent);
|
---|
| 593 | }
|
---|
| 594 |
|
---|
| 595 | return queryComponents.join('&');
|
---|
| 596 | },
|
---|
| 597 |
|
---|
| 598 | getElements: function(form) {
|
---|
| 599 | var form = $(form);
|
---|
| 600 | var elements = new Array();
|
---|
| 601 |
|
---|
| 602 | for (tagName in Form.Element.Serializers) {
|
---|
| 603 | var tagElements = form.getElementsByTagName(tagName);
|
---|
| 604 | for (var j = 0; j < tagElements.length; j++)
|
---|
| 605 | elements.push(tagElements[j]);
|
---|
| 606 | }
|
---|
| 607 | return elements;
|
---|
| 608 | },
|
---|
| 609 |
|
---|
| 610 | getInputs: function(form, typeName, name) {
|
---|
| 611 | var form = $(form);
|
---|
| 612 | var inputs = form.getElementsByTagName('input');
|
---|
| 613 |
|
---|
| 614 | if (!typeName && !name)
|
---|
| 615 | return inputs;
|
---|
| 616 |
|
---|
| 617 | var matchingInputs = new Array();
|
---|
| 618 | for (var i = 0; i < inputs.length; i++) {
|
---|
| 619 | var input = inputs[i];
|
---|
| 620 | if ((typeName && input.type != typeName) ||
|
---|
| 621 | (name && input.name != name))
|
---|
| 622 | continue;
|
---|
| 623 | matchingInputs.push(input);
|
---|
| 624 | }
|
---|
| 625 |
|
---|
| 626 | return matchingInputs;
|
---|
| 627 | },
|
---|
| 628 |
|
---|
| 629 | disable: function(form) {
|
---|
| 630 | var elements = Form.getElements(form);
|
---|
| 631 | for (var i = 0; i < elements.length; i++) {
|
---|
| 632 | var element = elements[i];
|
---|
| 633 | element.blur();
|
---|
| 634 | element.disabled = 'true';
|
---|
| 635 | }
|
---|
| 636 | },
|
---|
| 637 |
|
---|
| 638 | enable: function(form) {
|
---|
| 639 | var elements = Form.getElements(form);
|
---|
| 640 | for (var i = 0; i < elements.length; i++) {
|
---|
| 641 | var element = elements[i];
|
---|
| 642 | element.disabled = '';
|
---|
| 643 | }
|
---|
| 644 | },
|
---|
| 645 |
|
---|
| 646 | focusFirstElement: function(form) {
|
---|
| 647 | var form = $(form);
|
---|
| 648 | var elements = Form.getElements(form);
|
---|
| 649 | for (var i = 0; i < elements.length; i++) {
|
---|
| 650 | var element = elements[i];
|
---|
| 651 | if (element.type != 'hidden' && !element.disabled) {
|
---|
| 652 | Field.activate(element);
|
---|
| 653 | break;
|
---|
| 654 | }
|
---|
| 655 | }
|
---|
| 656 | },
|
---|
| 657 |
|
---|
| 658 | reset: function(form) {
|
---|
| 659 | $(form).reset();
|
---|
| 660 | }
|
---|
| 661 | }
|
---|
| 662 |
|
---|
| 663 | Form.Element = {
|
---|
| 664 | serialize: function(element) {
|
---|
| 665 | var element = $(element);
|
---|
| 666 | var method = element.tagName.toLowerCase();
|
---|
| 667 | var parameter = Form.Element.Serializers[method](element);
|
---|
| 668 |
|
---|
| 669 | if (parameter)
|
---|
| 670 | return encodeURIComponent(parameter[0]) + '=' +
|
---|
| 671 | encodeURIComponent(parameter[1]);
|
---|
| 672 | },
|
---|
| 673 |
|
---|
| 674 | getValue: function(element) {
|
---|
| 675 | var element = $(element);
|
---|
| 676 | var method = element.tagName.toLowerCase();
|
---|
| 677 | var parameter = Form.Element.Serializers[method](element);
|
---|
| 678 |
|
---|
| 679 | if (parameter)
|
---|
| 680 | return parameter[1];
|
---|
| 681 | }
|
---|
| 682 | }
|
---|
| 683 |
|
---|
| 684 | Form.Element.Serializers = {
|
---|
| 685 | input: function(element) {
|
---|
| 686 | switch (element.type.toLowerCase()) {
|
---|
| 687 | case 'submit':
|
---|
| 688 | case 'hidden':
|
---|
| 689 | case 'password':
|
---|
| 690 | case 'text':
|
---|
| 691 | return Form.Element.Serializers.textarea(element);
|
---|
| 692 | case 'checkbox':
|
---|
| 693 | case 'radio':
|
---|
| 694 | return Form.Element.Serializers.inputSelector(element);
|
---|
| 695 | }
|
---|
| 696 | return false;
|
---|
| 697 | },
|
---|
| 698 |
|
---|
| 699 | inputSelector: function(element) {
|
---|
| 700 | if (element.checked)
|
---|
| 701 | return [element.name, element.value];
|
---|
| 702 | },
|
---|
| 703 |
|
---|
| 704 | textarea: function(element) {
|
---|
| 705 | return [element.name, element.value];
|
---|
| 706 | },
|
---|
| 707 |
|
---|
| 708 | select: function(element) {
|
---|
| 709 | var value = '';
|
---|
| 710 | if (element.type == 'select-one') {
|
---|
| 711 | var index = element.selectedIndex;
|
---|
| 712 | if (index >= 0)
|
---|
| 713 | value = element.options[index].value || element.options[index].text;
|
---|
| 714 | } else {
|
---|
| 715 | value = new Array();
|
---|
| 716 | for (var i = 0; i < element.length; i++) {
|
---|
| 717 | var opt = element.options[i];
|
---|
| 718 | if (opt.selected)
|
---|
| 719 | value.push(opt.value || opt.text);
|
---|
| 720 | }
|
---|
| 721 | }
|
---|
| 722 | return [element.name, value];
|
---|
| 723 | }
|
---|
| 724 | }
|
---|
| 725 |
|
---|
| 726 | /*--------------------------------------------------------------------------*/
|
---|
| 727 |
|
---|
| 728 | var $F = Form.Element.getValue;
|
---|
| 729 |
|
---|
| 730 | /*--------------------------------------------------------------------------*/
|
---|
| 731 |
|
---|
| 732 | Abstract.TimedObserver = function() {}
|
---|
| 733 | Abstract.TimedObserver.prototype = {
|
---|
| 734 | initialize: function(element, frequency, callback) {
|
---|
| 735 | this.frequency = frequency;
|
---|
| 736 | this.element = $(element);
|
---|
| 737 | this.callback = callback;
|
---|
| 738 |
|
---|
| 739 | this.lastValue = this.getValue();
|
---|
| 740 | this.registerCallback();
|
---|
| 741 | },
|
---|
| 742 |
|
---|
| 743 | registerCallback: function() {
|
---|
| 744 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
|
---|
| 745 | },
|
---|
| 746 |
|
---|
| 747 | onTimerEvent: function() {
|
---|
| 748 | var value = this.getValue();
|
---|
| 749 | if (this.lastValue != value) {
|
---|
| 750 | this.callback(this.element, value);
|
---|
| 751 | this.lastValue = value;
|
---|
| 752 | }
|
---|
| 753 | }
|
---|
| 754 | }
|
---|
| 755 |
|
---|
| 756 | Form.Element.Observer = Class.create();
|
---|
| 757 | Form.Element.Observer.prototype = (new Abstract.TimedObserver()).extend({
|
---|
| 758 | getValue: function() {
|
---|
| 759 | return Form.Element.getValue(this.element);
|
---|
| 760 | }
|
---|
| 761 | });
|
---|
| 762 |
|
---|
| 763 | Form.Observer = Class.create();
|
---|
| 764 | Form.Observer.prototype = (new Abstract.TimedObserver()).extend({
|
---|
| 765 | getValue: function() {
|
---|
| 766 | return Form.serialize(this.element);
|
---|
| 767 | }
|
---|
| 768 | });
|
---|
| 769 |
|
---|
| 770 | /*--------------------------------------------------------------------------*/
|
---|
| 771 |
|
---|
| 772 | Abstract.EventObserver = function() {}
|
---|
| 773 | Abstract.EventObserver.prototype = {
|
---|
| 774 | initialize: function(element, callback) {
|
---|
| 775 | this.element = $(element);
|
---|
| 776 | this.callback = callback;
|
---|
| 777 |
|
---|
| 778 | this.lastValue = this.getValue();
|
---|
| 779 | if (this.element.tagName.toLowerCase() == 'form')
|
---|
| 780 | this.registerFormCallbacks();
|
---|
| 781 | else
|
---|
| 782 | this.registerCallback(this.element);
|
---|
| 783 | },
|
---|
| 784 |
|
---|
| 785 | onElementEvent: function() {
|
---|
| 786 | var value = this.getValue();
|
---|
| 787 | if (this.lastValue != value) {
|
---|
| 788 | this.callback(this.element, value);
|
---|
| 789 | this.lastValue = value;
|
---|
| 790 | }
|
---|
| 791 | },
|
---|
| 792 |
|
---|
| 793 | registerFormCallbacks: function() {
|
---|
| 794 | var elements = Form.getElements(this.element);
|
---|
| 795 | for (var i = 0; i < elements.length; i++)
|
---|
| 796 | this.registerCallback(elements[i]);
|
---|
| 797 | },
|
---|
| 798 |
|
---|
| 799 | registerCallback: function(element) {
|
---|
| 800 | if (element.type) {
|
---|
| 801 | switch (element.type.toLowerCase()) {
|
---|
| 802 | case 'checkbox':
|
---|
| 803 | case 'radio':
|
---|
| 804 | element.target = this;
|
---|
| 805 | element.prev_onclick = element.onclick || Prototype.emptyFunction;
|
---|
| 806 | element.onclick = function() {
|
---|
| 807 | this.prev_onclick();
|
---|
| 808 | this.target.onElementEvent();
|
---|
| 809 | }
|
---|
| 810 | break;
|
---|
| 811 | case 'password':
|
---|
| 812 | case 'text':
|
---|
| 813 | case 'textarea':
|
---|
| 814 | case 'select-one':
|
---|
| 815 | case 'select-multiple':
|
---|
| 816 | element.target = this;
|
---|
| 817 | element.prev_onchange = element.onchange || Prototype.emptyFunction;
|
---|
| 818 | element.onchange = function() {
|
---|
| 819 | this.prev_onchange();
|
---|
| 820 | this.target.onElementEvent();
|
---|
| 821 | }
|
---|
| 822 | break;
|
---|
| 823 | }
|
---|
| 824 | }
|
---|
| 825 | }
|
---|
| 826 | }
|
---|
| 827 |
|
---|
| 828 | Form.Element.EventObserver = Class.create();
|
---|
| 829 | Form.Element.EventObserver.prototype = (new Abstract.EventObserver()).extend({
|
---|
| 830 | getValue: function() {
|
---|
| 831 | return Form.Element.getValue(this.element);
|
---|
| 832 | }
|
---|
| 833 | });
|
---|
| 834 |
|
---|
| 835 | Form.EventObserver = Class.create();
|
---|
| 836 | Form.EventObserver.prototype = (new Abstract.EventObserver()).extend({
|
---|
| 837 | getValue: function() {
|
---|
| 838 | return Form.serialize(this.element);
|
---|
| 839 | }
|
---|
| 840 | });
|
---|
| 841 |
|
---|
| 842 |
|
---|
| 843 | if (!window.Event) {
|
---|
| 844 | var Event = new Object();
|
---|
| 845 | }
|
---|
| 846 |
|
---|
| 847 | Object.extend(Event, {
|
---|
| 848 | KEY_BACKSPACE: 8,
|
---|
| 849 | KEY_TAB: 9,
|
---|
| 850 | KEY_RETURN: 13,
|
---|
| 851 | KEY_ESC: 27,
|
---|
| 852 | KEY_LEFT: 37,
|
---|
| 853 | KEY_UP: 38,
|
---|
| 854 | KEY_RIGHT: 39,
|
---|
| 855 | KEY_DOWN: 40,
|
---|
| 856 | KEY_DELETE: 46,
|
---|
| 857 |
|
---|
| 858 | element: function(event) {
|
---|
| 859 | return event.target || event.srcElement;
|
---|
| 860 | },
|
---|
| 861 |
|
---|
| 862 | isLeftClick: function(event) {
|
---|
| 863 | return (((event.which) && (event.which == 1)) ||
|
---|
| 864 | ((event.button) && (event.button == 1)));
|
---|
| 865 | },
|
---|
| 866 |
|
---|
| 867 | pointerX: function(event) {
|
---|
| 868 | return event.pageX || (event.clientX +
|
---|
| 869 | (document.documentElement.scrollLeft || document.body.scrollLeft));
|
---|
| 870 | },
|
---|
| 871 |
|
---|
| 872 | pointerY: function(event) {
|
---|
| 873 | return event.pageY || (event.clientY +
|
---|
| 874 | (document.documentElement.scrollTop || document.body.scrollTop));
|
---|
| 875 | },
|
---|
| 876 |
|
---|
| 877 | stop: function(event) {
|
---|
| 878 | if (event.preventDefault) {
|
---|
| 879 | event.preventDefault();
|
---|
| 880 | event.stopPropagation();
|
---|
| 881 | } else {
|
---|
| 882 | event.returnValue = false;
|
---|
| 883 | }
|
---|
| 884 | },
|
---|
| 885 |
|
---|
| 886 | // find the first node with the given tagName, starting from the
|
---|
| 887 | // node the event was triggered on; traverses the DOM upwards
|
---|
| 888 | findElement: function(event, tagName) {
|
---|
| 889 | var element = Event.element(event);
|
---|
| 890 | while (element.parentNode && (!element.tagName ||
|
---|
| 891 | (element.tagName.toUpperCase() != tagName.toUpperCase())))
|
---|
| 892 | element = element.parentNode;
|
---|
| 893 | return element;
|
---|
| 894 | },
|
---|
| 895 |
|
---|
| 896 | observers: false,
|
---|
| 897 |
|
---|
| 898 | _observeAndCache: function(element, name, observer, useCapture) {
|
---|
| 899 | if (!this.observers) this.observers = [];
|
---|
| 900 | if (element.addEventListener) {
|
---|
| 901 | this.observers.push([element, name, observer, useCapture]);
|
---|
| 902 | element.addEventListener(name, observer, useCapture);
|
---|
| 903 | } else if (element.attachEvent) {
|
---|
| 904 | this.observers.push([element, name, observer, useCapture]);
|
---|
| 905 | element.attachEvent('on' + name, observer);
|
---|
| 906 | }
|
---|
| 907 | },
|
---|
| 908 |
|
---|
| 909 | unloadCache: function() {
|
---|
| 910 | if (!Event.observers) return;
|
---|
| 911 | for (var i = 0; i < Event.observers.length; i++) {
|
---|
| 912 | Event.stopObserving.apply(this, Event.observers[i]);
|
---|
| 913 | Event.observers[i][0] = null;
|
---|
| 914 | }
|
---|
| 915 | Event.observers = false;
|
---|
| 916 | },
|
---|
| 917 |
|
---|
| 918 | observe: function(element, name, observer, useCapture) {
|
---|
| 919 | var element = $(element);
|
---|
| 920 | useCapture = useCapture || false;
|
---|
| 921 |
|
---|
| 922 | if (name == 'keypress' &&
|
---|
| 923 | ((navigator.appVersion.indexOf('AppleWebKit') > 0)
|
---|
| 924 | || element.attachEvent))
|
---|
| 925 | name = 'keydown';
|
---|
| 926 |
|
---|
| 927 | this._observeAndCache(element, name, observer, useCapture);
|
---|
| 928 | },
|
---|
| 929 |
|
---|
| 930 | stopObserving: function(element, name, observer, useCapture) {
|
---|
| 931 | var element = $(element);
|
---|
| 932 | useCapture = useCapture || false;
|
---|
| 933 |
|
---|
| 934 | if (name == 'keypress' &&
|
---|
| 935 | ((navigator.appVersion.indexOf('AppleWebKit') > 0)
|
---|
| 936 | || element.detachEvent))
|
---|
| 937 | name = 'keydown';
|
---|
| 938 |
|
---|
| 939 | if (element.removeEventListener) {
|
---|
| 940 | element.removeEventListener(name, observer, useCapture);
|
---|
| 941 | } else if (element.detachEvent) {
|
---|
| 942 | element.detachEvent('on' + name, observer);
|
---|
| 943 | }
|
---|
| 944 | }
|
---|
| 945 | });
|
---|
| 946 |
|
---|
| 947 | /* prevent memory leaks in IE */
|
---|
| 948 | Event.observe(window, 'unload', Event.unloadCache, false);
|
---|
| 949 |
|
---|
| 950 | var Position = {
|
---|
| 951 |
|
---|
| 952 | // set to true if needed, warning: firefox performance problems
|
---|
| 953 | // NOT neeeded for page scrolling, only if draggable contained in
|
---|
| 954 | // scrollable elements
|
---|
| 955 | includeScrollOffsets: false,
|
---|
| 956 |
|
---|
| 957 | // must be called before calling withinIncludingScrolloffset, every time the
|
---|
| 958 | // page is scrolled
|
---|
| 959 | prepare: function() {
|
---|
| 960 | this.deltaX = window.pageXOffset
|
---|
| 961 | || document.documentElement.scrollLeft
|
---|
| 962 | || document.body.scrollLeft
|
---|
| 963 | || 0;
|
---|
| 964 | this.deltaY = window.pageYOffset
|
---|
| 965 | || document.documentElement.scrollTop
|
---|
| 966 | || document.body.scrollTop
|
---|
| 967 | || 0;
|
---|
| 968 | },
|
---|
| 969 |
|
---|
| 970 | realOffset: function(element) {
|
---|
| 971 | var valueT = 0, valueL = 0;
|
---|
| 972 | do {
|
---|
| 973 | valueT += element.scrollTop || 0;
|
---|
| 974 | valueL += element.scrollLeft || 0;
|
---|
| 975 | element = element.parentNode;
|
---|
| 976 | } while (element);
|
---|
| 977 | return [valueL, valueT];
|
---|
| 978 | },
|
---|
| 979 |
|
---|
| 980 | cumulativeOffset: function(element) {
|
---|
| 981 | var valueT = 0, valueL = 0;
|
---|
| 982 | do {
|
---|
| 983 | valueT += element.offsetTop || 0;
|
---|
| 984 | valueL += element.offsetLeft || 0;
|
---|
| 985 | element = element.offsetParent;
|
---|
| 986 | } while (element);
|
---|
| 987 | return [valueL, valueT];
|
---|
| 988 | },
|
---|
| 989 |
|
---|
| 990 | // caches x/y coordinate pair to use with overlap
|
---|
| 991 | within: function(element, x, y) {
|
---|
| 992 | if (this.includeScrollOffsets)
|
---|
| 993 | return this.withinIncludingScrolloffsets(element, x, y);
|
---|
| 994 | this.xcomp = x;
|
---|
| 995 | this.ycomp = y;
|
---|
| 996 | this.offset = this.cumulativeOffset(element);
|
---|
| 997 |
|
---|
| 998 | return (y >= this.offset[1] &&
|
---|
| 999 | y < this.offset[1] + element.offsetHeight &&
|
---|
| 1000 | x >= this.offset[0] &&
|
---|
| 1001 | x < this.offset[0] + element.offsetWidth);
|
---|
| 1002 | },
|
---|
| 1003 |
|
---|
| 1004 | withinIncludingScrolloffsets: function(element, x, y) {
|
---|
| 1005 | var offsetcache = this.realOffset(element);
|
---|
| 1006 |
|
---|
| 1007 | this.xcomp = x + offsetcache[0] - this.deltaX;
|
---|
| 1008 | this.ycomp = y + offsetcache[1] - this.deltaY;
|
---|
| 1009 | this.offset = this.cumulativeOffset(element);
|
---|
| 1010 |
|
---|
| 1011 | return (this.ycomp >= this.offset[1] &&
|
---|
| 1012 | this.ycomp < this.offset[1] + element.offsetHeight &&
|
---|
| 1013 | this.xcomp >= this.offset[0] &&
|
---|
| 1014 | this.xcomp < this.offset[0] + element.offsetWidth);
|
---|
| 1015 | },
|
---|
| 1016 |
|
---|
| 1017 | // within must be called directly before
|
---|
| 1018 | overlap: function(mode, element) {
|
---|
| 1019 | if (!mode) return 0;
|
---|
| 1020 | if (mode == 'vertical')
|
---|
| 1021 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
|
---|
| 1022 | element.offsetHeight;
|
---|
| 1023 | if (mode == 'horizontal')
|
---|
| 1024 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
|
---|
| 1025 | element.offsetWidth;
|
---|
| 1026 | },
|
---|
| 1027 |
|
---|
| 1028 | clone: function(source, target) {
|
---|
| 1029 | source = $(source);
|
---|
| 1030 | target = $(target);
|
---|
| 1031 | target.style.position = 'absolute';
|
---|
| 1032 | var offsets = this.cumulativeOffset(source);
|
---|
| 1033 | target.style.top = offsets[1] + 'px';
|
---|
| 1034 | target.style.left = offsets[0] + 'px';
|
---|
| 1035 | target.style.width = source.offsetWidth + 'px';
|
---|
| 1036 | target.style.height = source.offsetHeight + 'px';
|
---|
| 1037 | }
|
---|
| 1038 | }
|
---|