[164] | 1 | /* Prototype JavaScript framework, version 1.6.0.3
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| 2 | * (c) 2005-2008 Sam Stephenson
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| 3 | *
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| 4 | * Prototype is freely distributable under the terms of an MIT-style license.
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| 5 | * For details, see the Prototype web site: http://www.prototypejs.org/
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| 6 | *
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| 7 | *--------------------------------------------------------------------------*/
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| 8 |
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| 9 | var Prototype = {
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| 10 | Version: '1.6.0.3',
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| 11 |
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| 12 | Browser: {
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| 13 | IE: !!(window.attachEvent &&
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| 14 | navigator.userAgent.indexOf('Opera') === -1),
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| 15 | Opera: navigator.userAgent.indexOf('Opera') > -1,
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| 16 | WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
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| 17 | Gecko: navigator.userAgent.indexOf('Gecko') > -1 &&
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| 18 | navigator.userAgent.indexOf('KHTML') === -1,
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| 19 | MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
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| 20 | },
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| 21 |
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| 22 | BrowserFeatures: {
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| 23 | XPath: !!document.evaluate,
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| 24 | SelectorsAPI: !!document.querySelector,
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| 25 | ElementExtensions: !!window.HTMLElement,
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| 26 | SpecificElementExtensions:
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| 27 | document.createElement('div')['__proto__'] &&
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| 28 | document.createElement('div')['__proto__'] !==
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| 29 | document.createElement('form')['__proto__']
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| 30 | },
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| 31 |
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| 32 | ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
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| 33 | JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
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| 34 |
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| 35 | emptyFunction: function() { },
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| 36 | K: function(x) { return x }
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| 37 | };
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| 38 |
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| 39 | if (Prototype.Browser.MobileSafari)
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| 40 | Prototype.BrowserFeatures.SpecificElementExtensions = false;
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| 41 |
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| 42 |
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| 43 | /* Based on Alex Arnell's inheritance implementation. */
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| 44 | var Class = {
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| 45 | create: function() {
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| 46 | var parent = null, properties = $A(arguments);
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| 47 | if (Object.isFunction(properties[0]))
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| 48 | parent = properties.shift();
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| 49 |
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| 50 | function klass() {
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| 51 | this.initialize.apply(this, arguments);
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| 52 | }
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| 53 |
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| 54 | Object.extend(klass, Class.Methods);
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| 55 | klass.superclass = parent;
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| 56 | klass.subclasses = [];
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| 57 |
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| 58 | if (parent) {
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| 59 | var subclass = function() { };
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| 60 | subclass.prototype = parent.prototype;
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| 61 | klass.prototype = new subclass;
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| 62 | parent.subclasses.push(klass);
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| 63 | }
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| 64 |
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| 65 | for (var i = 0; i < properties.length; i++)
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| 66 | klass.addMethods(properties[i]);
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| 67 |
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| 68 | if (!klass.prototype.initialize)
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| 69 | klass.prototype.initialize = Prototype.emptyFunction;
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| 70 |
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| 71 | klass.prototype.constructor = klass;
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| 72 |
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| 73 | return klass;
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| 74 | }
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| 75 | };
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| 76 |
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| 77 | Class.Methods = {
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| 78 | addMethods: function(source) {
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| 79 | var ancestor = this.superclass && this.superclass.prototype;
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| 80 | var properties = Object.keys(source);
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| 81 |
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| 82 | if (!Object.keys({ toString: true }).length)
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| 83 | properties.push("toString", "valueOf");
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| 84 |
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| 85 | for (var i = 0, length = properties.length; i < length; i++) {
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| 86 | var property = properties[i], value = source[property];
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| 87 | if (ancestor && Object.isFunction(value) &&
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| 88 | value.argumentNames().first() == "$super") {
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| 89 | var method = value;
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| 90 | value = (function(m) {
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| 91 | return function() { return ancestor[m].apply(this, arguments) };
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| 92 | })(property).wrap(method);
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| 93 |
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| 94 | value.valueOf = method.valueOf.bind(method);
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| 95 | value.toString = method.toString.bind(method);
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| 96 | }
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| 97 | this.prototype[property] = value;
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| 98 | }
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| 99 |
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| 100 | return this;
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| 101 | }
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| 102 | };
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| 103 |
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| 104 | var Abstract = { };
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| 105 |
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| 106 | Object.extend = function(destination, source) {
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| 107 | for (var property in source)
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| 108 | destination[property] = source[property];
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| 109 | return destination;
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| 110 | };
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| 111 |
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| 112 | Object.extend(Object, {
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| 113 | inspect: function(object) {
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| 114 | try {
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| 115 | if (Object.isUndefined(object)) return 'undefined';
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| 116 | if (object === null) return 'null';
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| 117 | return object.inspect ? object.inspect() : String(object);
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| 118 | } catch (e) {
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| 119 | if (e instanceof RangeError) return '...';
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| 120 | throw e;
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| 121 | }
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| 122 | },
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| 123 |
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| 124 | toJSON: function(object) {
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| 125 | var type = typeof object;
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| 126 | switch (type) {
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| 127 | case 'undefined':
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| 128 | case 'function':
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| 129 | case 'unknown': return;
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| 130 | case 'boolean': return object.toString();
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| 131 | }
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| 132 |
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| 133 | if (object === null) return 'null';
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| 134 | if (object.toJSON) return object.toJSON();
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| 135 | if (Object.isElement(object)) return;
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| 136 |
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| 137 | var results = [];
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| 138 | for (var property in object) {
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| 139 | var value = Object.toJSON(object[property]);
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| 140 | if (!Object.isUndefined(value))
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| 141 | results.push(property.toJSON() + ': ' + value);
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| 142 | }
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| 143 |
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| 144 | return '{' + results.join(', ') + '}';
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| 145 | },
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| 146 |
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| 147 | toQueryString: function(object) {
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| 148 | return $H(object).toQueryString();
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| 149 | },
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| 150 |
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| 151 | toHTML: function(object) {
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| 152 | return object && object.toHTML ? object.toHTML() : String.interpret(object);
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| 153 | },
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| 154 |
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| 155 | keys: function(object) {
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| 156 | var keys = [];
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| 157 | for (var property in object)
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| 158 | keys.push(property);
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| 159 | return keys;
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| 160 | },
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| 161 |
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| 162 | values: function(object) {
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| 163 | var values = [];
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| 164 | for (var property in object)
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| 165 | values.push(object[property]);
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| 166 | return values;
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| 167 | },
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| 168 |
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| 169 | clone: function(object) {
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| 170 | return Object.extend({ }, object);
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| 171 | },
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| 172 |
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| 173 | isElement: function(object) {
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| 174 | return !!(object && object.nodeType == 1);
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| 175 | },
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| 176 |
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| 177 | isArray: function(object) {
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| 178 | return object != null && typeof object == "object" &&
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| 179 | 'splice' in object && 'join' in object;
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| 180 | },
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| 181 |
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| 182 | isHash: function(object) {
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| 183 | return object instanceof Hash;
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| 184 | },
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| 185 |
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| 186 | isFunction: function(object) {
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| 187 | return typeof object == "function";
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| 188 | },
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| 189 |
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| 190 | isString: function(object) {
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| 191 | return typeof object == "string";
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| 192 | },
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| 193 |
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| 194 | isNumber: function(object) {
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| 195 | return typeof object == "number";
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| 196 | },
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| 197 |
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| 198 | isUndefined: function(object) {
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| 199 | return typeof object == "undefined";
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| 200 | }
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| 201 | });
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| 202 |
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| 203 | Object.extend(Function.prototype, {
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| 204 | argumentNames: function() {
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| 205 | var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
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| 206 | .replace(/\s+/g, '').split(',');
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| 207 | return names.length == 1 && !names[0] ? [] : names;
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| 208 | },
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| 209 |
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| 210 | bind: function() {
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| 211 | if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
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| 212 | var __method = this, args = $A(arguments), object = args.shift();
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| 213 | return function() {
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| 214 | return __method.apply(object, args.concat($A(arguments)));
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| 215 | }
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| 216 | },
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| 217 |
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| 218 | bindAsEventListener: function() {
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| 219 | var __method = this, args = $A(arguments), object = args.shift();
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| 220 | return function(event) {
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| 221 | return __method.apply(object, [event || window.event].concat(args));
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| 222 | }
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| 223 | },
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| 224 |
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| 225 | curry: function() {
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| 226 | if (!arguments.length) return this;
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| 227 | var __method = this, args = $A(arguments);
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| 228 | return function() {
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| 229 | return __method.apply(this, args.concat($A(arguments)));
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| 230 | }
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| 231 | },
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| 232 |
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| 233 | delay: function() {
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| 234 | var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
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| 235 | return window.setTimeout(function() {
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| 236 | return __method.apply(__method, args);
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| 237 | }, timeout);
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| 238 | },
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| 239 |
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| 240 | defer: function() {
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| 241 | var args = [0.01].concat($A(arguments));
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| 242 | return this.delay.apply(this, args);
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| 243 | },
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| 244 |
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| 245 | wrap: function(wrapper) {
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| 246 | var __method = this;
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| 247 | return function() {
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| 248 | return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
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| 249 | }
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| 250 | },
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| 251 |
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| 252 | methodize: function() {
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| 253 | if (this._methodized) return this._methodized;
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| 254 | var __method = this;
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| 255 | return this._methodized = function() {
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| 256 | return __method.apply(null, [this].concat($A(arguments)));
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| 257 | };
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| 258 | }
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| 259 | });
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| 260 |
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| 261 | Date.prototype.toJSON = function() {
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| 262 | return '"' + this.getUTCFullYear() + '-' +
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| 263 | (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
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| 264 | this.getUTCDate().toPaddedString(2) + 'T' +
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| 265 | this.getUTCHours().toPaddedString(2) + ':' +
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| 266 | this.getUTCMinutes().toPaddedString(2) + ':' +
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| 267 | this.getUTCSeconds().toPaddedString(2) + 'Z"';
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| 268 | };
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| 269 |
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| 270 | var Try = {
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| 271 | these: function() {
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| 272 | var returnValue;
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| 273 |
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| 274 | for (var i = 0, length = arguments.length; i < length; i++) {
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| 275 | var lambda = arguments[i];
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| 276 | try {
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| 277 | returnValue = lambda();
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| 278 | break;
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| 279 | } catch (e) { }
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| 280 | }
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| 281 |
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| 282 | return returnValue;
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| 283 | }
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| 284 | };
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| 285 |
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| 286 | RegExp.prototype.match = RegExp.prototype.test;
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| 287 |
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| 288 | RegExp.escape = function(str) {
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| 289 | return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
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| 290 | };
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| 291 |
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| 292 | /*--------------------------------------------------------------------------*/
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| 293 |
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| 294 | var PeriodicalExecuter = Class.create({
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| 295 | initialize: function(callback, frequency) {
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| 296 | this.callback = callback;
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| 297 | this.frequency = frequency;
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| 298 | this.currentlyExecuting = false;
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| 299 |
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| 300 | this.registerCallback();
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| 301 | },
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| 302 |
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| 303 | registerCallback: function() {
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| 304 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
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| 305 | },
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| 306 |
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| 307 | execute: function() {
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| 308 | this.callback(this);
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| 309 | },
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| 310 |
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| 311 | stop: function() {
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| 312 | if (!this.timer) return;
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| 313 | clearInterval(this.timer);
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| 314 | this.timer = null;
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| 315 | },
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| 316 |
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| 317 | onTimerEvent: function() {
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| 318 | if (!this.currentlyExecuting) {
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| 319 | try {
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| 320 | this.currentlyExecuting = true;
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| 321 | this.execute();
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| 322 | } finally {
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| 323 | this.currentlyExecuting = false;
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| 324 | }
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| 325 | }
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| 326 | }
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| 327 | });
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| 328 | Object.extend(String, {
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| 329 | interpret: function(value) {
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| 330 | return value == null ? '' : String(value);
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| 331 | },
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| 332 | specialChar: {
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| 333 | '\b': '\\b',
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| 334 | '\t': '\\t',
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| 335 | '\n': '\\n',
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| 336 | '\f': '\\f',
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| 337 | '\r': '\\r',
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| 338 | '\\': '\\\\'
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| 339 | }
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| 340 | });
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| 341 |
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| 342 | Object.extend(String.prototype, {
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| 343 | gsub: function(pattern, replacement) {
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| 344 | var result = '', source = this, match;
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| 345 | replacement = arguments.callee.prepareReplacement(replacement);
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| 346 |
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| 347 | while (source.length > 0) {
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| 348 | if (match = source.match(pattern)) {
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| 349 | result += source.slice(0, match.index);
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| 350 | result += String.interpret(replacement(match));
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| 351 | source = source.slice(match.index + match[0].length);
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| 352 | } else {
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| 353 | result += source, source = '';
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| 354 | }
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| 355 | }
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| 356 | return result;
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| 357 | },
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| 358 |
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| 359 | sub: function(pattern, replacement, count) {
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| 360 | replacement = this.gsub.prepareReplacement(replacement);
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| 361 | count = Object.isUndefined(count) ? 1 : count;
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| 362 |
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| 363 | return this.gsub(pattern, function(match) {
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| 364 | if (--count < 0) return match[0];
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| 365 | return replacement(match);
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| 366 | });
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| 367 | },
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| 368 |
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| 369 | scan: function(pattern, iterator) {
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| 370 | this.gsub(pattern, iterator);
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| 371 | return String(this);
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| 372 | },
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| 373 |
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| 374 | truncate: function(length, truncation) {
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| 375 | length = length || 30;
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| 376 | truncation = Object.isUndefined(truncation) ? '...' : truncation;
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| 377 | return this.length > length ?
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| 378 | this.slice(0, length - truncation.length) + truncation : String(this);
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| 379 | },
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| 380 |
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| 381 | strip: function() {
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| 382 | return this.replace(/^\s+/, '').replace(/\s+$/, '');
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| 383 | },
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| 384 |
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| 385 | stripTags: function() {
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| 386 | return this.replace(/<\/?[^>]+>/gi, '');
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| 387 | },
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| 388 |
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| 389 | stripScripts: function() {
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| 390 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
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| 391 | },
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| 392 |
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| 393 | extractScripts: function() {
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| 394 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
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| 395 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
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| 396 | return (this.match(matchAll) || []).map(function(scriptTag) {
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| 397 | return (scriptTag.match(matchOne) || ['', ''])[1];
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| 398 | });
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| 399 | },
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| 400 |
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| 401 | evalScripts: function() {
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| 402 | return this.extractScripts().map(function(script) { return eval(script) });
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| 403 | },
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| 404 |
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| 405 | escapeHTML: function() {
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| 406 | var self = arguments.callee;
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| 407 | self.text.data = this;
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| 408 | return self.div.innerHTML;
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| 409 | },
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| 410 |
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| 411 | unescapeHTML: function() {
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| 412 | var div = new Element('div');
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| 413 | div.innerHTML = this.stripTags();
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| 414 | return div.childNodes[0] ? (div.childNodes.length > 1 ?
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| 415 | $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
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| 416 | div.childNodes[0].nodeValue) : '';
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| 417 | },
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| 418 |
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| 419 | toQueryParams: function(separator) {
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| 420 | var match = this.strip().match(/([^?#]*)(#.*)?$/);
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| 421 | if (!match) return { };
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| 422 |
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| 423 | return match[1].split(separator || '&').inject({ }, function(hash, pair) {
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| 424 | if ((pair = pair.split('='))[0]) {
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| 425 | var key = decodeURIComponent(pair.shift());
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| 426 | var value = pair.length > 1 ? pair.join('=') : pair[0];
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| 427 | if (value != undefined) value = decodeURIComponent(value);
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| 428 |
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| 429 | if (key in hash) {
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| 430 | if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
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| 431 | hash[key].push(value);
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| 432 | }
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| 433 | else hash[key] = value;
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| 434 | }
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| 435 | return hash;
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| 436 | });
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| 437 | },
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| 438 |
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| 439 | toArray: function() {
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| 440 | return this.split('');
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| 441 | },
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| 442 |
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| 443 | succ: function() {
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| 444 | return this.slice(0, this.length - 1) +
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| 445 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
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| 446 | },
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| 447 |
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| 448 | times: function(count) {
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| 449 | return count < 1 ? '' : new Array(count + 1).join(this);
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| 450 | },
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| 451 |
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| 452 | camelize: function() {
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| 453 | var parts = this.split('-'), len = parts.length;
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| 454 | if (len == 1) return parts[0];
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| 455 |
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| 456 | var camelized = this.charAt(0) == '-'
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| 457 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
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| 458 | : parts[0];
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| 459 |
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| 460 | for (var i = 1; i < len; i++)
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| 461 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
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| 462 |
|
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| 463 | return camelized;
|
---|
| 464 | },
|
---|
| 465 |
|
---|
| 466 | capitalize: function() {
|
---|
| 467 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
|
---|
| 468 | },
|
---|
| 469 |
|
---|
| 470 | underscore: function() {
|
---|
| 471 | return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
|
---|
| 472 | },
|
---|
| 473 |
|
---|
| 474 | dasherize: function() {
|
---|
| 475 | return this.gsub(/_/,'-');
|
---|
| 476 | },
|
---|
| 477 |
|
---|
| 478 | inspect: function(useDoubleQuotes) {
|
---|
| 479 | var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
|
---|
| 480 | var character = String.specialChar[match[0]];
|
---|
| 481 | return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
|
---|
| 482 | });
|
---|
| 483 | if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
|
---|
| 484 | return "'" + escapedString.replace(/'/g, '\\\'') + "'";
|
---|
| 485 | },
|
---|
| 486 |
|
---|
| 487 | toJSON: function() {
|
---|
| 488 | return this.inspect(true);
|
---|
| 489 | },
|
---|
| 490 |
|
---|
| 491 | unfilterJSON: function(filter) {
|
---|
| 492 | return this.sub(filter || Prototype.JSONFilter, '#{1}');
|
---|
| 493 | },
|
---|
| 494 |
|
---|
| 495 | isJSON: function() {
|
---|
| 496 | var str = this;
|
---|
| 497 | if (str.blank()) return false;
|
---|
| 498 | str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
|
---|
| 499 | return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
|
---|
| 500 | },
|
---|
| 501 |
|
---|
| 502 | evalJSON: function(sanitize) {
|
---|
| 503 | var json = this.unfilterJSON();
|
---|
| 504 | try {
|
---|
| 505 | if (!sanitize || json.isJSON()) return eval('(' + json + ')');
|
---|
| 506 | } catch (e) { }
|
---|
| 507 | throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
|
---|
| 508 | },
|
---|
| 509 |
|
---|
| 510 | include: function(pattern) {
|
---|
| 511 | return this.indexOf(pattern) > -1;
|
---|
| 512 | },
|
---|
| 513 |
|
---|
| 514 | startsWith: function(pattern) {
|
---|
| 515 | return this.indexOf(pattern) === 0;
|
---|
| 516 | },
|
---|
| 517 |
|
---|
| 518 | endsWith: function(pattern) {
|
---|
| 519 | var d = this.length - pattern.length;
|
---|
| 520 | return d >= 0 && this.lastIndexOf(pattern) === d;
|
---|
| 521 | },
|
---|
| 522 |
|
---|
| 523 | empty: function() {
|
---|
| 524 | return this == '';
|
---|
| 525 | },
|
---|
| 526 |
|
---|
| 527 | blank: function() {
|
---|
| 528 | return /^\s*$/.test(this);
|
---|
| 529 | },
|
---|
| 530 |
|
---|
| 531 | interpolate: function(object, pattern) {
|
---|
| 532 | return new Template(this, pattern).evaluate(object);
|
---|
| 533 | }
|
---|
| 534 | });
|
---|
| 535 |
|
---|
| 536 | if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
|
---|
| 537 | escapeHTML: function() {
|
---|
| 538 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
|
---|
| 539 | },
|
---|
| 540 | unescapeHTML: function() {
|
---|
| 541 | return this.stripTags().replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
|
---|
| 542 | }
|
---|
| 543 | });
|
---|
| 544 |
|
---|
| 545 | String.prototype.gsub.prepareReplacement = function(replacement) {
|
---|
| 546 | if (Object.isFunction(replacement)) return replacement;
|
---|
| 547 | var template = new Template(replacement);
|
---|
| 548 | return function(match) { return template.evaluate(match) };
|
---|
| 549 | };
|
---|
| 550 |
|
---|
| 551 | String.prototype.parseQuery = String.prototype.toQueryParams;
|
---|
| 552 |
|
---|
| 553 | Object.extend(String.prototype.escapeHTML, {
|
---|
| 554 | div: document.createElement('div'),
|
---|
| 555 | text: document.createTextNode('')
|
---|
| 556 | });
|
---|
| 557 |
|
---|
| 558 | String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);
|
---|
| 559 |
|
---|
| 560 | var Template = Class.create({
|
---|
| 561 | initialize: function(template, pattern) {
|
---|
| 562 | this.template = template.toString();
|
---|
| 563 | this.pattern = pattern || Template.Pattern;
|
---|
| 564 | },
|
---|
| 565 |
|
---|
| 566 | evaluate: function(object) {
|
---|
| 567 | if (Object.isFunction(object.toTemplateReplacements))
|
---|
| 568 | object = object.toTemplateReplacements();
|
---|
| 569 |
|
---|
| 570 | return this.template.gsub(this.pattern, function(match) {
|
---|
| 571 | if (object == null) return '';
|
---|
| 572 |
|
---|
| 573 | var before = match[1] || '';
|
---|
| 574 | if (before == '\\') return match[2];
|
---|
| 575 |
|
---|
| 576 | var ctx = object, expr = match[3];
|
---|
| 577 | var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
|
---|
| 578 | match = pattern.exec(expr);
|
---|
| 579 | if (match == null) return before;
|
---|
| 580 |
|
---|
| 581 | while (match != null) {
|
---|
| 582 | var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
|
---|
| 583 | ctx = ctx[comp];
|
---|
| 584 | if (null == ctx || '' == match[3]) break;
|
---|
| 585 | expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
|
---|
| 586 | match = pattern.exec(expr);
|
---|
| 587 | }
|
---|
| 588 |
|
---|
| 589 | return before + String.interpret(ctx);
|
---|
| 590 | });
|
---|
| 591 | }
|
---|
| 592 | });
|
---|
| 593 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
|
---|
| 594 |
|
---|
| 595 | var $break = { };
|
---|
| 596 |
|
---|
| 597 | var Enumerable = {
|
---|
| 598 | each: function(iterator, context) {
|
---|
| 599 | var index = 0;
|
---|
| 600 | try {
|
---|
| 601 | this._each(function(value) {
|
---|
| 602 | iterator.call(context, value, index++);
|
---|
| 603 | });
|
---|
| 604 | } catch (e) {
|
---|
| 605 | if (e != $break) throw e;
|
---|
| 606 | }
|
---|
| 607 | return this;
|
---|
| 608 | },
|
---|
| 609 |
|
---|
| 610 | eachSlice: function(number, iterator, context) {
|
---|
| 611 | var index = -number, slices = [], array = this.toArray();
|
---|
| 612 | if (number < 1) return array;
|
---|
| 613 | while ((index += number) < array.length)
|
---|
| 614 | slices.push(array.slice(index, index+number));
|
---|
| 615 | return slices.collect(iterator, context);
|
---|
| 616 | },
|
---|
| 617 |
|
---|
| 618 | all: function(iterator, context) {
|
---|
| 619 | iterator = iterator || Prototype.K;
|
---|
| 620 | var result = true;
|
---|
| 621 | this.each(function(value, index) {
|
---|
| 622 | result = result && !!iterator.call(context, value, index);
|
---|
| 623 | if (!result) throw $break;
|
---|
| 624 | });
|
---|
| 625 | return result;
|
---|
| 626 | },
|
---|
| 627 |
|
---|
| 628 | any: function(iterator, context) {
|
---|
| 629 | iterator = iterator || Prototype.K;
|
---|
| 630 | var result = false;
|
---|
| 631 | this.each(function(value, index) {
|
---|
| 632 | if (result = !!iterator.call(context, value, index))
|
---|
| 633 | throw $break;
|
---|
| 634 | });
|
---|
| 635 | return result;
|
---|
| 636 | },
|
---|
| 637 |
|
---|
| 638 | collect: function(iterator, context) {
|
---|
| 639 | iterator = iterator || Prototype.K;
|
---|
| 640 | var results = [];
|
---|
| 641 | this.each(function(value, index) {
|
---|
| 642 | results.push(iterator.call(context, value, index));
|
---|
| 643 | });
|
---|
| 644 | return results;
|
---|
| 645 | },
|
---|
| 646 |
|
---|
| 647 | detect: function(iterator, context) {
|
---|
| 648 | var result;
|
---|
| 649 | this.each(function(value, index) {
|
---|
| 650 | if (iterator.call(context, value, index)) {
|
---|
| 651 | result = value;
|
---|
| 652 | throw $break;
|
---|
| 653 | }
|
---|
| 654 | });
|
---|
| 655 | return result;
|
---|
| 656 | },
|
---|
| 657 |
|
---|
| 658 | findAll: function(iterator, context) {
|
---|
| 659 | var results = [];
|
---|
| 660 | this.each(function(value, index) {
|
---|
| 661 | if (iterator.call(context, value, index))
|
---|
| 662 | results.push(value);
|
---|
| 663 | });
|
---|
| 664 | return results;
|
---|
| 665 | },
|
---|
| 666 |
|
---|
| 667 | grep: function(filter, iterator, context) {
|
---|
| 668 | iterator = iterator || Prototype.K;
|
---|
| 669 | var results = [];
|
---|
| 670 |
|
---|
| 671 | if (Object.isString(filter))
|
---|
| 672 | filter = new RegExp(filter);
|
---|
| 673 |
|
---|
| 674 | this.each(function(value, index) {
|
---|
| 675 | if (filter.match(value))
|
---|
| 676 | results.push(iterator.call(context, value, index));
|
---|
| 677 | });
|
---|
| 678 | return results;
|
---|
| 679 | },
|
---|
| 680 |
|
---|
| 681 | include: function(object) {
|
---|
| 682 | if (Object.isFunction(this.indexOf))
|
---|
| 683 | if (this.indexOf(object) != -1) return true;
|
---|
| 684 |
|
---|
| 685 | var found = false;
|
---|
| 686 | this.each(function(value) {
|
---|
| 687 | if (value == object) {
|
---|
| 688 | found = true;
|
---|
| 689 | throw $break;
|
---|
| 690 | }
|
---|
| 691 | });
|
---|
| 692 | return found;
|
---|
| 693 | },
|
---|
| 694 |
|
---|
| 695 | inGroupsOf: function(number, fillWith) {
|
---|
| 696 | fillWith = Object.isUndefined(fillWith) ? null : fillWith;
|
---|
| 697 | return this.eachSlice(number, function(slice) {
|
---|
| 698 | while(slice.length < number) slice.push(fillWith);
|
---|
| 699 | return slice;
|
---|
| 700 | });
|
---|
| 701 | },
|
---|
| 702 |
|
---|
| 703 | inject: function(memo, iterator, context) {
|
---|
| 704 | this.each(function(value, index) {
|
---|
| 705 | memo = iterator.call(context, memo, value, index);
|
---|
| 706 | });
|
---|
| 707 | return memo;
|
---|
| 708 | },
|
---|
| 709 |
|
---|
| 710 | invoke: function(method) {
|
---|
| 711 | var args = $A(arguments).slice(1);
|
---|
| 712 | return this.map(function(value) {
|
---|
| 713 | return value[method].apply(value, args);
|
---|
| 714 | });
|
---|
| 715 | },
|
---|
| 716 |
|
---|
| 717 | max: function(iterator, context) {
|
---|
| 718 | iterator = iterator || Prototype.K;
|
---|
| 719 | var result;
|
---|
| 720 | this.each(function(value, index) {
|
---|
| 721 | value = iterator.call(context, value, index);
|
---|
| 722 | if (result == null || value >= result)
|
---|
| 723 | result = value;
|
---|
| 724 | });
|
---|
| 725 | return result;
|
---|
| 726 | },
|
---|
| 727 |
|
---|
| 728 | min: function(iterator, context) {
|
---|
| 729 | iterator = iterator || Prototype.K;
|
---|
| 730 | var result;
|
---|
| 731 | this.each(function(value, index) {
|
---|
| 732 | value = iterator.call(context, value, index);
|
---|
| 733 | if (result == null || value < result)
|
---|
| 734 | result = value;
|
---|
| 735 | });
|
---|
| 736 | return result;
|
---|
| 737 | },
|
---|
| 738 |
|
---|
| 739 | partition: function(iterator, context) {
|
---|
| 740 | iterator = iterator || Prototype.K;
|
---|
| 741 | var trues = [], falses = [];
|
---|
| 742 | this.each(function(value, index) {
|
---|
| 743 | (iterator.call(context, value, index) ?
|
---|
| 744 | trues : falses).push(value);
|
---|
| 745 | });
|
---|
| 746 | return [trues, falses];
|
---|
| 747 | },
|
---|
| 748 |
|
---|
| 749 | pluck: function(property) {
|
---|
| 750 | var results = [];
|
---|
| 751 | this.each(function(value) {
|
---|
| 752 | results.push(value[property]);
|
---|
| 753 | });
|
---|
| 754 | return results;
|
---|
| 755 | },
|
---|
| 756 |
|
---|
| 757 | reject: function(iterator, context) {
|
---|
| 758 | var results = [];
|
---|
| 759 | this.each(function(value, index) {
|
---|
| 760 | if (!iterator.call(context, value, index))
|
---|
| 761 | results.push(value);
|
---|
| 762 | });
|
---|
| 763 | return results;
|
---|
| 764 | },
|
---|
| 765 |
|
---|
| 766 | sortBy: function(iterator, context) {
|
---|
| 767 | return this.map(function(value, index) {
|
---|
| 768 | return {
|
---|
| 769 | value: value,
|
---|
| 770 | criteria: iterator.call(context, value, index)
|
---|
| 771 | };
|
---|
| 772 | }).sort(function(left, right) {
|
---|
| 773 | var a = left.criteria, b = right.criteria;
|
---|
| 774 | return a < b ? -1 : a > b ? 1 : 0;
|
---|
| 775 | }).pluck('value');
|
---|
| 776 | },
|
---|
| 777 |
|
---|
| 778 | toArray: function() {
|
---|
| 779 | return this.map();
|
---|
| 780 | },
|
---|
| 781 |
|
---|
| 782 | zip: function() {
|
---|
| 783 | var iterator = Prototype.K, args = $A(arguments);
|
---|
| 784 | if (Object.isFunction(args.last()))
|
---|
| 785 | iterator = args.pop();
|
---|
| 786 |
|
---|
| 787 | var collections = [this].concat(args).map($A);
|
---|
| 788 | return this.map(function(value, index) {
|
---|
| 789 | return iterator(collections.pluck(index));
|
---|
| 790 | });
|
---|
| 791 | },
|
---|
| 792 |
|
---|
| 793 | size: function() {
|
---|
| 794 | return this.toArray().length;
|
---|
| 795 | },
|
---|
| 796 |
|
---|
| 797 | inspect: function() {
|
---|
| 798 | return '#<Enumerable:' + this.toArray().inspect() + '>';
|
---|
| 799 | }
|
---|
| 800 | };
|
---|
| 801 |
|
---|
| 802 | Object.extend(Enumerable, {
|
---|
| 803 | map: Enumerable.collect,
|
---|
| 804 | find: Enumerable.detect,
|
---|
| 805 | select: Enumerable.findAll,
|
---|
| 806 | filter: Enumerable.findAll,
|
---|
| 807 | member: Enumerable.include,
|
---|
| 808 | entries: Enumerable.toArray,
|
---|
| 809 | every: Enumerable.all,
|
---|
| 810 | some: Enumerable.any
|
---|
| 811 | });
|
---|
| 812 | function $A(iterable) {
|
---|
| 813 | if (!iterable) return [];
|
---|
| 814 | if (iterable.toArray) return iterable.toArray();
|
---|
| 815 | var length = iterable.length || 0, results = new Array(length);
|
---|
| 816 | while (length--) results[length] = iterable[length];
|
---|
| 817 | return results;
|
---|
| 818 | }
|
---|
| 819 |
|
---|
| 820 | if (Prototype.Browser.WebKit) {
|
---|
| 821 | $A = function(iterable) {
|
---|
| 822 | if (!iterable) return [];
|
---|
| 823 | // In Safari, only use the `toArray` method if it's not a NodeList.
|
---|
| 824 | // A NodeList is a function, has an function `item` property, and a numeric
|
---|
| 825 | // `length` property. Adapted from Google Doctype.
|
---|
| 826 | if (!(typeof iterable === 'function' && typeof iterable.length ===
|
---|
| 827 | 'number' && typeof iterable.item === 'function') && iterable.toArray)
|
---|
| 828 | return iterable.toArray();
|
---|
| 829 | var length = iterable.length || 0, results = new Array(length);
|
---|
| 830 | while (length--) results[length] = iterable[length];
|
---|
| 831 | return results;
|
---|
| 832 | };
|
---|
| 833 | }
|
---|
| 834 |
|
---|
| 835 | Array.from = $A;
|
---|
| 836 |
|
---|
| 837 | Object.extend(Array.prototype, Enumerable);
|
---|
| 838 |
|
---|
| 839 | if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;
|
---|
| 840 |
|
---|
| 841 | Object.extend(Array.prototype, {
|
---|
| 842 | _each: function(iterator) {
|
---|
| 843 | for (var i = 0, length = this.length; i < length; i++)
|
---|
| 844 | iterator(this[i]);
|
---|
| 845 | },
|
---|
| 846 |
|
---|
| 847 | clear: function() {
|
---|
| 848 | this.length = 0;
|
---|
| 849 | return this;
|
---|
| 850 | },
|
---|
| 851 |
|
---|
| 852 | first: function() {
|
---|
| 853 | return this[0];
|
---|
| 854 | },
|
---|
| 855 |
|
---|
| 856 | last: function() {
|
---|
| 857 | return this[this.length - 1];
|
---|
| 858 | },
|
---|
| 859 |
|
---|
| 860 | compact: function() {
|
---|
| 861 | return this.select(function(value) {
|
---|
| 862 | return value != null;
|
---|
| 863 | });
|
---|
| 864 | },
|
---|
| 865 |
|
---|
| 866 | flatten: function() {
|
---|
| 867 | return this.inject([], function(array, value) {
|
---|
| 868 | return array.concat(Object.isArray(value) ?
|
---|
| 869 | value.flatten() : [value]);
|
---|
| 870 | });
|
---|
| 871 | },
|
---|
| 872 |
|
---|
| 873 | without: function() {
|
---|
| 874 | var values = $A(arguments);
|
---|
| 875 | return this.select(function(value) {
|
---|
| 876 | return !values.include(value);
|
---|
| 877 | });
|
---|
| 878 | },
|
---|
| 879 |
|
---|
| 880 | reverse: function(inline) {
|
---|
| 881 | return (inline !== false ? this : this.toArray())._reverse();
|
---|
| 882 | },
|
---|
| 883 |
|
---|
| 884 | reduce: function() {
|
---|
| 885 | return this.length > 1 ? this : this[0];
|
---|
| 886 | },
|
---|
| 887 |
|
---|
| 888 | uniq: function(sorted) {
|
---|
| 889 | return this.inject([], function(array, value, index) {
|
---|
| 890 | if (0 == index || (sorted ? array.last() != value : !array.include(value)))
|
---|
| 891 | array.push(value);
|
---|
| 892 | return array;
|
---|
| 893 | });
|
---|
| 894 | },
|
---|
| 895 |
|
---|
| 896 | intersect: function(array) {
|
---|
| 897 | return this.uniq().findAll(function(item) {
|
---|
| 898 | return array.detect(function(value) { return item === value });
|
---|
| 899 | });
|
---|
| 900 | },
|
---|
| 901 |
|
---|
| 902 | clone: function() {
|
---|
| 903 | return [].concat(this);
|
---|
| 904 | },
|
---|
| 905 |
|
---|
| 906 | size: function() {
|
---|
| 907 | return this.length;
|
---|
| 908 | },
|
---|
| 909 |
|
---|
| 910 | inspect: function() {
|
---|
| 911 | return '[' + this.map(Object.inspect).join(', ') + ']';
|
---|
| 912 | },
|
---|
| 913 |
|
---|
| 914 | toJSON: function() {
|
---|
| 915 | var results = [];
|
---|
| 916 | this.each(function(object) {
|
---|
| 917 | var value = Object.toJSON(object);
|
---|
| 918 | if (!Object.isUndefined(value)) results.push(value);
|
---|
| 919 | });
|
---|
| 920 | return '[' + results.join(', ') + ']';
|
---|
| 921 | }
|
---|
| 922 | });
|
---|
| 923 |
|
---|
| 924 | // use native browser JS 1.6 implementation if available
|
---|
| 925 | if (Object.isFunction(Array.prototype.forEach))
|
---|
| 926 | Array.prototype._each = Array.prototype.forEach;
|
---|
| 927 |
|
---|
| 928 | if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
|
---|
| 929 | i || (i = 0);
|
---|
| 930 | var length = this.length;
|
---|
| 931 | if (i < 0) i = length + i;
|
---|
| 932 | for (; i < length; i++)
|
---|
| 933 | if (this[i] === item) return i;
|
---|
| 934 | return -1;
|
---|
| 935 | };
|
---|
| 936 |
|
---|
| 937 | if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
|
---|
| 938 | i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
|
---|
| 939 | var n = this.slice(0, i).reverse().indexOf(item);
|
---|
| 940 | return (n < 0) ? n : i - n - 1;
|
---|
| 941 | };
|
---|
| 942 |
|
---|
| 943 | Array.prototype.toArray = Array.prototype.clone;
|
---|
| 944 |
|
---|
| 945 | function $w(string) {
|
---|
| 946 | if (!Object.isString(string)) return [];
|
---|
| 947 | string = string.strip();
|
---|
| 948 | return string ? string.split(/\s+/) : [];
|
---|
| 949 | }
|
---|
| 950 |
|
---|
| 951 | if (Prototype.Browser.Opera){
|
---|
| 952 | Array.prototype.concat = function() {
|
---|
| 953 | var array = [];
|
---|
| 954 | for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
|
---|
| 955 | for (var i = 0, length = arguments.length; i < length; i++) {
|
---|
| 956 | if (Object.isArray(arguments[i])) {
|
---|
| 957 | for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
|
---|
| 958 | array.push(arguments[i][j]);
|
---|
| 959 | } else {
|
---|
| 960 | array.push(arguments[i]);
|
---|
| 961 | }
|
---|
| 962 | }
|
---|
| 963 | return array;
|
---|
| 964 | };
|
---|
| 965 | }
|
---|
| 966 | Object.extend(Number.prototype, {
|
---|
| 967 | toColorPart: function() {
|
---|
| 968 | return this.toPaddedString(2, 16);
|
---|
| 969 | },
|
---|
| 970 |
|
---|
| 971 | succ: function() {
|
---|
| 972 | return this + 1;
|
---|
| 973 | },
|
---|
| 974 |
|
---|
| 975 | times: function(iterator, context) {
|
---|
| 976 | $R(0, this, true).each(iterator, context);
|
---|
| 977 | return this;
|
---|
| 978 | },
|
---|
| 979 |
|
---|
| 980 | toPaddedString: function(length, radix) {
|
---|
| 981 | var string = this.toString(radix || 10);
|
---|
| 982 | return '0'.times(length - string.length) + string;
|
---|
| 983 | },
|
---|
| 984 |
|
---|
| 985 | toJSON: function() {
|
---|
| 986 | return isFinite(this) ? this.toString() : 'null';
|
---|
| 987 | }
|
---|
| 988 | });
|
---|
| 989 |
|
---|
| 990 | $w('abs round ceil floor').each(function(method){
|
---|
| 991 | Number.prototype[method] = Math[method].methodize();
|
---|
| 992 | });
|
---|
| 993 | function $H(object) {
|
---|
| 994 | return new Hash(object);
|
---|
| 995 | };
|
---|
| 996 |
|
---|
| 997 | var Hash = Class.create(Enumerable, (function() {
|
---|
| 998 |
|
---|
| 999 | function toQueryPair(key, value) {
|
---|
| 1000 | if (Object.isUndefined(value)) return key;
|
---|
| 1001 | return key + '=' + encodeURIComponent(String.interpret(value));
|
---|
| 1002 | }
|
---|
| 1003 |
|
---|
| 1004 | return {
|
---|
| 1005 | initialize: function(object) {
|
---|
| 1006 | this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
|
---|
| 1007 | },
|
---|
| 1008 |
|
---|
| 1009 | _each: function(iterator) {
|
---|
| 1010 | for (var key in this._object) {
|
---|
| 1011 | var value = this._object[key], pair = [key, value];
|
---|
| 1012 | pair.key = key;
|
---|
| 1013 | pair.value = value;
|
---|
| 1014 | iterator(pair);
|
---|
| 1015 | }
|
---|
| 1016 | },
|
---|
| 1017 |
|
---|
| 1018 | set: function(key, value) {
|
---|
| 1019 | return this._object[key] = value;
|
---|
| 1020 | },
|
---|
| 1021 |
|
---|
| 1022 | get: function(key) {
|
---|
| 1023 | // simulating poorly supported hasOwnProperty
|
---|
| 1024 | if (this._object[key] !== Object.prototype[key])
|
---|
| 1025 | return this._object[key];
|
---|
| 1026 | },
|
---|
| 1027 |
|
---|
| 1028 | unset: function(key) {
|
---|
| 1029 | var value = this._object[key];
|
---|
| 1030 | delete this._object[key];
|
---|
| 1031 | return value;
|
---|
| 1032 | },
|
---|
| 1033 |
|
---|
| 1034 | toObject: function() {
|
---|
| 1035 | return Object.clone(this._object);
|
---|
| 1036 | },
|
---|
| 1037 |
|
---|
| 1038 | keys: function() {
|
---|
| 1039 | return this.pluck('key');
|
---|
| 1040 | },
|
---|
| 1041 |
|
---|
| 1042 | values: function() {
|
---|
| 1043 | return this.pluck('value');
|
---|
| 1044 | },
|
---|
| 1045 |
|
---|
| 1046 | index: function(value) {
|
---|
| 1047 | var match = this.detect(function(pair) {
|
---|
| 1048 | return pair.value === value;
|
---|
| 1049 | });
|
---|
| 1050 | return match && match.key;
|
---|
| 1051 | },
|
---|
| 1052 |
|
---|
| 1053 | merge: function(object) {
|
---|
| 1054 | return this.clone().update(object);
|
---|
| 1055 | },
|
---|
| 1056 |
|
---|
| 1057 | update: function(object) {
|
---|
| 1058 | return new Hash(object).inject(this, function(result, pair) {
|
---|
| 1059 | result.set(pair.key, pair.value);
|
---|
| 1060 | return result;
|
---|
| 1061 | });
|
---|
| 1062 | },
|
---|
| 1063 |
|
---|
| 1064 | toQueryString: function() {
|
---|
| 1065 | return this.inject([], function(results, pair) {
|
---|
| 1066 | var key = encodeURIComponent(pair.key), values = pair.value;
|
---|
| 1067 |
|
---|
| 1068 | if (values && typeof values == 'object') {
|
---|
| 1069 | if (Object.isArray(values))
|
---|
| 1070 | return results.concat(values.map(toQueryPair.curry(key)));
|
---|
| 1071 | } else results.push(toQueryPair(key, values));
|
---|
| 1072 | return results;
|
---|
| 1073 | }).join('&');
|
---|
| 1074 | },
|
---|
| 1075 |
|
---|
| 1076 | inspect: function() {
|
---|
| 1077 | return '#<Hash:{' + this.map(function(pair) {
|
---|
| 1078 | return pair.map(Object.inspect).join(': ');
|
---|
| 1079 | }).join(', ') + '}>';
|
---|
| 1080 | },
|
---|
| 1081 |
|
---|
| 1082 | toJSON: function() {
|
---|
| 1083 | return Object.toJSON(this.toObject());
|
---|
| 1084 | },
|
---|
| 1085 |
|
---|
| 1086 | clone: function() {
|
---|
| 1087 | return new Hash(this);
|
---|
| 1088 | }
|
---|
| 1089 | }
|
---|
| 1090 | })());
|
---|
| 1091 |
|
---|
| 1092 | Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
|
---|
| 1093 | Hash.from = $H;
|
---|
| 1094 | var ObjectRange = Class.create(Enumerable, {
|
---|
| 1095 | initialize: function(start, end, exclusive) {
|
---|
| 1096 | this.start = start;
|
---|
| 1097 | this.end = end;
|
---|
| 1098 | this.exclusive = exclusive;
|
---|
| 1099 | },
|
---|
| 1100 |
|
---|
| 1101 | _each: function(iterator) {
|
---|
| 1102 | var value = this.start;
|
---|
| 1103 | while (this.include(value)) {
|
---|
| 1104 | iterator(value);
|
---|
| 1105 | value = value.succ();
|
---|
| 1106 | }
|
---|
| 1107 | },
|
---|
| 1108 |
|
---|
| 1109 | include: function(value) {
|
---|
| 1110 | if (value < this.start)
|
---|
| 1111 | return false;
|
---|
| 1112 | if (this.exclusive)
|
---|
| 1113 | return value < this.end;
|
---|
| 1114 | return value <= this.end;
|
---|
| 1115 | }
|
---|
| 1116 | });
|
---|
| 1117 |
|
---|
| 1118 | var $R = function(start, end, exclusive) {
|
---|
| 1119 | return new ObjectRange(start, end, exclusive);
|
---|
| 1120 | };
|
---|
| 1121 |
|
---|
| 1122 | var Ajax = {
|
---|
| 1123 | getTransport: function() {
|
---|
| 1124 | return Try.these(
|
---|
| 1125 | function() {return new XMLHttpRequest()},
|
---|
| 1126 | function() {return new ActiveXObject('Msxml2.XMLHTTP')},
|
---|
| 1127 | function() {return new ActiveXObject('Microsoft.XMLHTTP')}
|
---|
| 1128 | ) || false;
|
---|
| 1129 | },
|
---|
| 1130 |
|
---|
| 1131 | activeRequestCount: 0
|
---|
| 1132 | };
|
---|
| 1133 |
|
---|
| 1134 | Ajax.Responders = {
|
---|
| 1135 | responders: [],
|
---|
| 1136 |
|
---|
| 1137 | _each: function(iterator) {
|
---|
| 1138 | this.responders._each(iterator);
|
---|
| 1139 | },
|
---|
| 1140 |
|
---|
| 1141 | register: function(responder) {
|
---|
| 1142 | if (!this.include(responder))
|
---|
| 1143 | this.responders.push(responder);
|
---|
| 1144 | },
|
---|
| 1145 |
|
---|
| 1146 | unregister: function(responder) {
|
---|
| 1147 | this.responders = this.responders.without(responder);
|
---|
| 1148 | },
|
---|
| 1149 |
|
---|
| 1150 | dispatch: function(callback, request, transport, json) {
|
---|
| 1151 | this.each(function(responder) {
|
---|
| 1152 | if (Object.isFunction(responder[callback])) {
|
---|
| 1153 | try {
|
---|
| 1154 | responder[callback].apply(responder, [request, transport, json]);
|
---|
| 1155 | } catch (e) { }
|
---|
| 1156 | }
|
---|
| 1157 | });
|
---|
| 1158 | }
|
---|
| 1159 | };
|
---|
| 1160 |
|
---|
| 1161 | Object.extend(Ajax.Responders, Enumerable);
|
---|
| 1162 |
|
---|
| 1163 | Ajax.Responders.register({
|
---|
| 1164 | onCreate: function() { Ajax.activeRequestCount++ },
|
---|
| 1165 | onComplete: function() { Ajax.activeRequestCount-- }
|
---|
| 1166 | });
|
---|
| 1167 |
|
---|
| 1168 | Ajax.Base = Class.create({
|
---|
| 1169 | initialize: function(options) {
|
---|
| 1170 | this.options = {
|
---|
| 1171 | method: 'post',
|
---|
| 1172 | asynchronous: true,
|
---|
| 1173 | contentType: 'application/x-www-form-urlencoded',
|
---|
| 1174 | encoding: 'UTF-8',
|
---|
| 1175 | parameters: '',
|
---|
| 1176 | evalJSON: true,
|
---|
| 1177 | evalJS: true
|
---|
| 1178 | };
|
---|
| 1179 | Object.extend(this.options, options || { });
|
---|
| 1180 |
|
---|
| 1181 | this.options.method = this.options.method.toLowerCase();
|
---|
| 1182 |
|
---|
| 1183 | if (Object.isString(this.options.parameters))
|
---|
| 1184 | this.options.parameters = this.options.parameters.toQueryParams();
|
---|
| 1185 | else if (Object.isHash(this.options.parameters))
|
---|
| 1186 | this.options.parameters = this.options.parameters.toObject();
|
---|
| 1187 | }
|
---|
| 1188 | });
|
---|
| 1189 |
|
---|
| 1190 | Ajax.Request = Class.create(Ajax.Base, {
|
---|
| 1191 | _complete: false,
|
---|
| 1192 |
|
---|
| 1193 | initialize: function($super, url, options) {
|
---|
| 1194 | $super(options);
|
---|
| 1195 | this.transport = Ajax.getTransport();
|
---|
| 1196 | this.request(url);
|
---|
| 1197 | },
|
---|
| 1198 |
|
---|
| 1199 | request: function(url) {
|
---|
| 1200 | this.url = url;
|
---|
| 1201 | this.method = this.options.method;
|
---|
| 1202 | var params = Object.clone(this.options.parameters);
|
---|
| 1203 |
|
---|
| 1204 | if (!['get', 'post'].include(this.method)) {
|
---|
| 1205 | // simulate other verbs over post
|
---|
| 1206 | params['_method'] = this.method;
|
---|
| 1207 | this.method = 'post';
|
---|
| 1208 | }
|
---|
| 1209 |
|
---|
| 1210 | this.parameters = params;
|
---|
| 1211 |
|
---|
| 1212 | if (params = Object.toQueryString(params)) {
|
---|
| 1213 | // when GET, append parameters to URL
|
---|
| 1214 | if (this.method == 'get')
|
---|
| 1215 | this.url += (this.url.include('?') ? '&' : '?') + params;
|
---|
| 1216 | else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
|
---|
| 1217 | params += '&_=';
|
---|
| 1218 | }
|
---|
| 1219 |
|
---|
| 1220 | try {
|
---|
| 1221 | var response = new Ajax.Response(this);
|
---|
| 1222 | if (this.options.onCreate) this.options.onCreate(response);
|
---|
| 1223 | Ajax.Responders.dispatch('onCreate', this, response);
|
---|
| 1224 |
|
---|
| 1225 | this.transport.open(this.method.toUpperCase(), this.url,
|
---|
| 1226 | this.options.asynchronous);
|
---|
| 1227 |
|
---|
| 1228 | if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
|
---|
| 1229 |
|
---|
| 1230 | this.transport.onreadystatechange = this.onStateChange.bind(this);
|
---|
| 1231 | this.setRequestHeaders();
|
---|
| 1232 |
|
---|
| 1233 | this.body = this.method == 'post' ? (this.options.postBody || params) : null;
|
---|
| 1234 | this.transport.send(this.body);
|
---|
| 1235 |
|
---|
| 1236 | /* Force Firefox to handle ready state 4 for synchronous requests */
|
---|
| 1237 | if (!this.options.asynchronous && this.transport.overrideMimeType)
|
---|
| 1238 | this.onStateChange();
|
---|
| 1239 |
|
---|
| 1240 | }
|
---|
| 1241 | catch (e) {
|
---|
| 1242 | this.dispatchException(e);
|
---|
| 1243 | }
|
---|
| 1244 | },
|
---|
| 1245 |
|
---|
| 1246 | onStateChange: function() {
|
---|
| 1247 | var readyState = this.transport.readyState;
|
---|
| 1248 | if (readyState > 1 && !((readyState == 4) && this._complete))
|
---|
| 1249 | this.respondToReadyState(this.transport.readyState);
|
---|
| 1250 | },
|
---|
| 1251 |
|
---|
| 1252 | setRequestHeaders: function() {
|
---|
| 1253 | var headers = {
|
---|
| 1254 | 'X-Requested-With': 'XMLHttpRequest',
|
---|
| 1255 | 'X-Prototype-Version': Prototype.Version,
|
---|
| 1256 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
|
---|
| 1257 | };
|
---|
| 1258 |
|
---|
| 1259 | if (this.method == 'post') {
|
---|
| 1260 | headers['Content-type'] = this.options.contentType +
|
---|
| 1261 | (this.options.encoding ? '; charset=' + this.options.encoding : '');
|
---|
| 1262 |
|
---|
| 1263 | /* Force "Connection: close" for older Mozilla browsers to work
|
---|
| 1264 | * around a bug where XMLHttpRequest sends an incorrect
|
---|
| 1265 | * Content-length header. See Mozilla Bugzilla #246651.
|
---|
| 1266 | */
|
---|
| 1267 | if (this.transport.overrideMimeType &&
|
---|
| 1268 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
|
---|
| 1269 | headers['Connection'] = 'close';
|
---|
| 1270 | }
|
---|
| 1271 |
|
---|
| 1272 | // user-defined headers
|
---|
| 1273 | if (typeof this.options.requestHeaders == 'object') {
|
---|
| 1274 | var extras = this.options.requestHeaders;
|
---|
| 1275 |
|
---|
| 1276 | if (Object.isFunction(extras.push))
|
---|
| 1277 | for (var i = 0, length = extras.length; i < length; i += 2)
|
---|
| 1278 | headers[extras[i]] = extras[i+1];
|
---|
| 1279 | else
|
---|
| 1280 | $H(extras).each(function(pair) { headers[pair.key] = pair.value });
|
---|
| 1281 | }
|
---|
| 1282 |
|
---|
| 1283 | for (var name in headers)
|
---|
| 1284 | this.transport.setRequestHeader(name, headers[name]);
|
---|
| 1285 | },
|
---|
| 1286 |
|
---|
| 1287 | success: function() {
|
---|
| 1288 | var status = this.getStatus();
|
---|
| 1289 | return !status || (status >= 200 && status < 300);
|
---|
| 1290 | },
|
---|
| 1291 |
|
---|
| 1292 | getStatus: function() {
|
---|
| 1293 | try {
|
---|
| 1294 | return this.transport.status || 0;
|
---|
| 1295 | } catch (e) { return 0 }
|
---|
| 1296 | },
|
---|
| 1297 |
|
---|
| 1298 | respondToReadyState: function(readyState) {
|
---|
| 1299 | var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
|
---|
| 1300 |
|
---|
| 1301 | if (state == 'Complete') {
|
---|
| 1302 | try {
|
---|
| 1303 | this._complete = true;
|
---|
| 1304 | (this.options['on' + response.status]
|
---|
| 1305 | || this.options['on' + (this.success() ? 'Success' : 'Failure')]
|
---|
| 1306 | || Prototype.emptyFunction)(response, response.headerJSON);
|
---|
| 1307 | } catch (e) {
|
---|
| 1308 | this.dispatchException(e);
|
---|
| 1309 | }
|
---|
| 1310 |
|
---|
| 1311 | var contentType = response.getHeader('Content-type');
|
---|
| 1312 | if (this.options.evalJS == 'force'
|
---|
| 1313 | || (this.options.evalJS && this.isSameOrigin() && contentType
|
---|
| 1314 | && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
|
---|
| 1315 | this.evalResponse();
|
---|
| 1316 | }
|
---|
| 1317 |
|
---|
| 1318 | try {
|
---|
| 1319 | (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
|
---|
| 1320 | Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
|
---|
| 1321 | } catch (e) {
|
---|
| 1322 | this.dispatchException(e);
|
---|
| 1323 | }
|
---|
| 1324 |
|
---|
| 1325 | if (state == 'Complete') {
|
---|
| 1326 | // avoid memory leak in MSIE: clean up
|
---|
| 1327 | this.transport.onreadystatechange = Prototype.emptyFunction;
|
---|
| 1328 | }
|
---|
| 1329 | },
|
---|
| 1330 |
|
---|
| 1331 | isSameOrigin: function() {
|
---|
| 1332 | var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
|
---|
| 1333 | return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
|
---|
| 1334 | protocol: location.protocol,
|
---|
| 1335 | domain: document.domain,
|
---|
| 1336 | port: location.port ? ':' + location.port : ''
|
---|
| 1337 | }));
|
---|
| 1338 | },
|
---|
| 1339 |
|
---|
| 1340 | getHeader: function(name) {
|
---|
| 1341 | try {
|
---|
| 1342 | return this.transport.getResponseHeader(name) || null;
|
---|
| 1343 | } catch (e) { return null }
|
---|
| 1344 | },
|
---|
| 1345 |
|
---|
| 1346 | evalResponse: function() {
|
---|
| 1347 | try {
|
---|
| 1348 | return eval((this.transport.responseText || '').unfilterJSON());
|
---|
| 1349 | } catch (e) {
|
---|
| 1350 | this.dispatchException(e);
|
---|
| 1351 | }
|
---|
| 1352 | },
|
---|
| 1353 |
|
---|
| 1354 | dispatchException: function(exception) {
|
---|
| 1355 | (this.options.onException || Prototype.emptyFunction)(this, exception);
|
---|
| 1356 | Ajax.Responders.dispatch('onException', this, exception);
|
---|
| 1357 | }
|
---|
| 1358 | });
|
---|
| 1359 |
|
---|
| 1360 | Ajax.Request.Events =
|
---|
| 1361 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
|
---|
| 1362 |
|
---|
| 1363 | Ajax.Response = Class.create({
|
---|
| 1364 | initialize: function(request){
|
---|
| 1365 | this.request = request;
|
---|
| 1366 | var transport = this.transport = request.transport,
|
---|
| 1367 | readyState = this.readyState = transport.readyState;
|
---|
| 1368 |
|
---|
| 1369 | if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
|
---|
| 1370 | this.status = this.getStatus();
|
---|
| 1371 | this.statusText = this.getStatusText();
|
---|
| 1372 | this.responseText = String.interpret(transport.responseText);
|
---|
| 1373 | this.headerJSON = this._getHeaderJSON();
|
---|
| 1374 | }
|
---|
| 1375 |
|
---|
| 1376 | if(readyState == 4) {
|
---|
| 1377 | var xml = transport.responseXML;
|
---|
| 1378 | this.responseXML = Object.isUndefined(xml) ? null : xml;
|
---|
| 1379 | this.responseJSON = this._getResponseJSON();
|
---|
| 1380 | }
|
---|
| 1381 | },
|
---|
| 1382 |
|
---|
| 1383 | status: 0,
|
---|
| 1384 | statusText: '',
|
---|
| 1385 |
|
---|
| 1386 | getStatus: Ajax.Request.prototype.getStatus,
|
---|
| 1387 |
|
---|
| 1388 | getStatusText: function() {
|
---|
| 1389 | try {
|
---|
| 1390 | return this.transport.statusText || '';
|
---|
| 1391 | } catch (e) { return '' }
|
---|
| 1392 | },
|
---|
| 1393 |
|
---|
| 1394 | getHeader: Ajax.Request.prototype.getHeader,
|
---|
| 1395 |
|
---|
| 1396 | getAllHeaders: function() {
|
---|
| 1397 | try {
|
---|
| 1398 | return this.getAllResponseHeaders();
|
---|
| 1399 | } catch (e) { return null }
|
---|
| 1400 | },
|
---|
| 1401 |
|
---|
| 1402 | getResponseHeader: function(name) {
|
---|
| 1403 | return this.transport.getResponseHeader(name);
|
---|
| 1404 | },
|
---|
| 1405 |
|
---|
| 1406 | getAllResponseHeaders: function() {
|
---|
| 1407 | return this.transport.getAllResponseHeaders();
|
---|
| 1408 | },
|
---|
| 1409 |
|
---|
| 1410 | _getHeaderJSON: function() {
|
---|
| 1411 | var json = this.getHeader('X-JSON');
|
---|
| 1412 | if (!json) return null;
|
---|
| 1413 | json = decodeURIComponent(escape(json));
|
---|
| 1414 | try {
|
---|
| 1415 | return json.evalJSON(this.request.options.sanitizeJSON ||
|
---|
| 1416 | !this.request.isSameOrigin());
|
---|
| 1417 | } catch (e) {
|
---|
| 1418 | this.request.dispatchException(e);
|
---|
| 1419 | }
|
---|
| 1420 | },
|
---|
| 1421 |
|
---|
| 1422 | _getResponseJSON: function() {
|
---|
| 1423 | var options = this.request.options;
|
---|
| 1424 | if (!options.evalJSON || (options.evalJSON != 'force' &&
|
---|
| 1425 | !(this.getHeader('Content-type') || '').include('application/json')) ||
|
---|
| 1426 | this.responseText.blank())
|
---|
| 1427 | return null;
|
---|
| 1428 | try {
|
---|
| 1429 | return this.responseText.evalJSON(options.sanitizeJSON ||
|
---|
| 1430 | !this.request.isSameOrigin());
|
---|
| 1431 | } catch (e) {
|
---|
| 1432 | this.request.dispatchException(e);
|
---|
| 1433 | }
|
---|
| 1434 | }
|
---|
| 1435 | });
|
---|
| 1436 |
|
---|
| 1437 | Ajax.Updater = Class.create(Ajax.Request, {
|
---|
| 1438 | initialize: function($super, container, url, options) {
|
---|
| 1439 | this.container = {
|
---|
| 1440 | success: (container.success || container),
|
---|
| 1441 | failure: (container.failure || (container.success ? null : container))
|
---|
| 1442 | };
|
---|
| 1443 |
|
---|
| 1444 | options = Object.clone(options);
|
---|
| 1445 | var onComplete = options.onComplete;
|
---|
| 1446 | options.onComplete = (function(response, json) {
|
---|
| 1447 | this.updateContent(response.responseText);
|
---|
| 1448 | if (Object.isFunction(onComplete)) onComplete(response, json);
|
---|
| 1449 | }).bind(this);
|
---|
| 1450 |
|
---|
| 1451 | $super(url, options);
|
---|
| 1452 | },
|
---|
| 1453 |
|
---|
| 1454 | updateContent: function(responseText) {
|
---|
| 1455 | var receiver = this.container[this.success() ? 'success' : 'failure'],
|
---|
| 1456 | options = this.options;
|
---|
| 1457 |
|
---|
| 1458 | if (!options.evalScripts) responseText = responseText.stripScripts();
|
---|
| 1459 |
|
---|
| 1460 | if (receiver = $(receiver)) {
|
---|
| 1461 | if (options.insertion) {
|
---|
| 1462 | if (Object.isString(options.insertion)) {
|
---|
| 1463 | var insertion = { }; insertion[options.insertion] = responseText;
|
---|
| 1464 | receiver.insert(insertion);
|
---|
| 1465 | }
|
---|
| 1466 | else options.insertion(receiver, responseText);
|
---|
| 1467 | }
|
---|
| 1468 | else receiver.update(responseText);
|
---|
| 1469 | }
|
---|
| 1470 | }
|
---|
| 1471 | });
|
---|
| 1472 |
|
---|
| 1473 | Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
|
---|
| 1474 | initialize: function($super, container, url, options) {
|
---|
| 1475 | $super(options);
|
---|
| 1476 | this.onComplete = this.options.onComplete;
|
---|
| 1477 |
|
---|
| 1478 | this.frequency = (this.options.frequency || 2);
|
---|
| 1479 | this.decay = (this.options.decay || 1);
|
---|
| 1480 |
|
---|
| 1481 | this.updater = { };
|
---|
| 1482 | this.container = container;
|
---|
| 1483 | this.url = url;
|
---|
| 1484 |
|
---|
| 1485 | this.start();
|
---|
| 1486 | },
|
---|
| 1487 |
|
---|
| 1488 | start: function() {
|
---|
| 1489 | this.options.onComplete = this.updateComplete.bind(this);
|
---|
| 1490 | this.onTimerEvent();
|
---|
| 1491 | },
|
---|
| 1492 |
|
---|
| 1493 | stop: function() {
|
---|
| 1494 | this.updater.options.onComplete = undefined;
|
---|
| 1495 | clearTimeout(this.timer);
|
---|
| 1496 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
|
---|
| 1497 | },
|
---|
| 1498 |
|
---|
| 1499 | updateComplete: function(response) {
|
---|
| 1500 | if (this.options.decay) {
|
---|
| 1501 | this.decay = (response.responseText == this.lastText ?
|
---|
| 1502 | this.decay * this.options.decay : 1);
|
---|
| 1503 |
|
---|
| 1504 | this.lastText = response.responseText;
|
---|
| 1505 | }
|
---|
| 1506 | this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
|
---|
| 1507 | },
|
---|
| 1508 |
|
---|
| 1509 | onTimerEvent: function() {
|
---|
| 1510 | this.updater = new Ajax.Updater(this.container, this.url, this.options);
|
---|
| 1511 | }
|
---|
| 1512 | });
|
---|
| 1513 | function $(element) {
|
---|
| 1514 | if (arguments.length > 1) {
|
---|
| 1515 | for (var i = 0, elements = [], length = arguments.length; i < length; i++)
|
---|
| 1516 | elements.push($(arguments[i]));
|
---|
| 1517 | return elements;
|
---|
| 1518 | }
|
---|
| 1519 | if (Object.isString(element))
|
---|
| 1520 | element = document.getElementById(element);
|
---|
| 1521 | return Element.extend(element);
|
---|
| 1522 | }
|
---|
| 1523 |
|
---|
| 1524 | if (Prototype.BrowserFeatures.XPath) {
|
---|
| 1525 | document._getElementsByXPath = function(expression, parentElement) {
|
---|
| 1526 | var results = [];
|
---|
| 1527 | var query = document.evaluate(expression, $(parentElement) || document,
|
---|
| 1528 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
|
---|
| 1529 | for (var i = 0, length = query.snapshotLength; i < length; i++)
|
---|
| 1530 | results.push(Element.extend(query.snapshotItem(i)));
|
---|
| 1531 | return results;
|
---|
| 1532 | };
|
---|
| 1533 | }
|
---|
| 1534 |
|
---|
| 1535 | /*--------------------------------------------------------------------------*/
|
---|
| 1536 |
|
---|
| 1537 | if (!window.Node) var Node = { };
|
---|
| 1538 |
|
---|
| 1539 | if (!Node.ELEMENT_NODE) {
|
---|
| 1540 | // DOM level 2 ECMAScript Language Binding
|
---|
| 1541 | Object.extend(Node, {
|
---|
| 1542 | ELEMENT_NODE: 1,
|
---|
| 1543 | ATTRIBUTE_NODE: 2,
|
---|
| 1544 | TEXT_NODE: 3,
|
---|
| 1545 | CDATA_SECTION_NODE: 4,
|
---|
| 1546 | ENTITY_REFERENCE_NODE: 5,
|
---|
| 1547 | ENTITY_NODE: 6,
|
---|
| 1548 | PROCESSING_INSTRUCTION_NODE: 7,
|
---|
| 1549 | COMMENT_NODE: 8,
|
---|
| 1550 | DOCUMENT_NODE: 9,
|
---|
| 1551 | DOCUMENT_TYPE_NODE: 10,
|
---|
| 1552 | DOCUMENT_FRAGMENT_NODE: 11,
|
---|
| 1553 | NOTATION_NODE: 12
|
---|
| 1554 | });
|
---|
| 1555 | }
|
---|
| 1556 |
|
---|
| 1557 | (function() {
|
---|
| 1558 | var element = this.Element;
|
---|
| 1559 | this.Element = function(tagName, attributes) {
|
---|
| 1560 | attributes = attributes || { };
|
---|
| 1561 | tagName = tagName.toLowerCase();
|
---|
| 1562 | var cache = Element.cache;
|
---|
| 1563 | if (Prototype.Browser.IE && attributes.name) {
|
---|
| 1564 | tagName = '<' + tagName + ' name="' + attributes.name + '">';
|
---|
| 1565 | delete attributes.name;
|
---|
| 1566 | return Element.writeAttribute(document.createElement(tagName), attributes);
|
---|
| 1567 | }
|
---|
| 1568 | if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
|
---|
| 1569 | return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
|
---|
| 1570 | };
|
---|
| 1571 | Object.extend(this.Element, element || { });
|
---|
| 1572 | if (element) this.Element.prototype = element.prototype;
|
---|
| 1573 | }).call(window);
|
---|
| 1574 |
|
---|
| 1575 | Element.cache = { };
|
---|
| 1576 |
|
---|
| 1577 | Element.Methods = {
|
---|
| 1578 | visible: function(element) {
|
---|
| 1579 | return $(element).style.display != 'none';
|
---|
| 1580 | },
|
---|
| 1581 |
|
---|
| 1582 | toggle: function(element) {
|
---|
| 1583 | element = $(element);
|
---|
| 1584 | Element[Element.visible(element) ? 'hide' : 'show'](element);
|
---|
| 1585 | return element;
|
---|
| 1586 | },
|
---|
| 1587 |
|
---|
| 1588 | hide: function(element) {
|
---|
| 1589 | element = $(element);
|
---|
| 1590 | element.style.display = 'none';
|
---|
| 1591 | return element;
|
---|
| 1592 | },
|
---|
| 1593 |
|
---|
| 1594 | show: function(element) {
|
---|
| 1595 | element = $(element);
|
---|
| 1596 | element.style.display = '';
|
---|
| 1597 | return element;
|
---|
| 1598 | },
|
---|
| 1599 |
|
---|
| 1600 | remove: function(element) {
|
---|
| 1601 | element = $(element);
|
---|
| 1602 | element.parentNode.removeChild(element);
|
---|
| 1603 | return element;
|
---|
| 1604 | },
|
---|
| 1605 |
|
---|
| 1606 | update: function(element, content) {
|
---|
| 1607 | element = $(element);
|
---|
| 1608 | if (content && content.toElement) content = content.toElement();
|
---|
| 1609 | if (Object.isElement(content)) return element.update().insert(content);
|
---|
| 1610 | content = Object.toHTML(content);
|
---|
| 1611 | element.innerHTML = content.stripScripts();
|
---|
| 1612 | content.evalScripts.bind(content).defer();
|
---|
| 1613 | return element;
|
---|
| 1614 | },
|
---|
| 1615 |
|
---|
| 1616 | replace: function(element, content) {
|
---|
| 1617 | element = $(element);
|
---|
| 1618 | if (content && content.toElement) content = content.toElement();
|
---|
| 1619 | else if (!Object.isElement(content)) {
|
---|
| 1620 | content = Object.toHTML(content);
|
---|
| 1621 | var range = element.ownerDocument.createRange();
|
---|
| 1622 | range.selectNode(element);
|
---|
| 1623 | content.evalScripts.bind(content).defer();
|
---|
| 1624 | content = range.createContextualFragment(content.stripScripts());
|
---|
| 1625 | }
|
---|
| 1626 | element.parentNode.replaceChild(content, element);
|
---|
| 1627 | return element;
|
---|
| 1628 | },
|
---|
| 1629 |
|
---|
| 1630 | insert: function(element, insertions) {
|
---|
| 1631 | element = $(element);
|
---|
| 1632 |
|
---|
| 1633 | if (Object.isString(insertions) || Object.isNumber(insertions) ||
|
---|
| 1634 | Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
|
---|
| 1635 | insertions = {bottom:insertions};
|
---|
| 1636 |
|
---|
| 1637 | var content, insert, tagName, childNodes;
|
---|
| 1638 |
|
---|
| 1639 | for (var position in insertions) {
|
---|
| 1640 | content = insertions[position];
|
---|
| 1641 | position = position.toLowerCase();
|
---|
| 1642 | insert = Element._insertionTranslations[position];
|
---|
| 1643 |
|
---|
| 1644 | if (content && content.toElement) content = content.toElement();
|
---|
| 1645 | if (Object.isElement(content)) {
|
---|
| 1646 | insert(element, content);
|
---|
| 1647 | continue;
|
---|
| 1648 | }
|
---|
| 1649 |
|
---|
| 1650 | content = Object.toHTML(content);
|
---|
| 1651 |
|
---|
| 1652 | tagName = ((position == 'before' || position == 'after')
|
---|
| 1653 | ? element.parentNode : element).tagName.toUpperCase();
|
---|
| 1654 |
|
---|
| 1655 | childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
|
---|
| 1656 |
|
---|
| 1657 | if (position == 'top' || position == 'after') childNodes.reverse();
|
---|
| 1658 | childNodes.each(insert.curry(element));
|
---|
| 1659 |
|
---|
| 1660 | content.evalScripts.bind(content).defer();
|
---|
| 1661 | }
|
---|
| 1662 |
|
---|
| 1663 | return element;
|
---|
| 1664 | },
|
---|
| 1665 |
|
---|
| 1666 | wrap: function(element, wrapper, attributes) {
|
---|
| 1667 | element = $(element);
|
---|
| 1668 | if (Object.isElement(wrapper))
|
---|
| 1669 | $(wrapper).writeAttribute(attributes || { });
|
---|
| 1670 | else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
|
---|
| 1671 | else wrapper = new Element('div', wrapper);
|
---|
| 1672 | if (element.parentNode)
|
---|
| 1673 | element.parentNode.replaceChild(wrapper, element);
|
---|
| 1674 | wrapper.appendChild(element);
|
---|
| 1675 | return wrapper;
|
---|
| 1676 | },
|
---|
| 1677 |
|
---|
| 1678 | inspect: function(element) {
|
---|
| 1679 | element = $(element);
|
---|
| 1680 | var result = '<' + element.tagName.toLowerCase();
|
---|
| 1681 | $H({'id': 'id', 'className': 'class'}).each(function(pair) {
|
---|
| 1682 | var property = pair.first(), attribute = pair.last();
|
---|
| 1683 | var value = (element[property] || '').toString();
|
---|
| 1684 | if (value) result += ' ' + attribute + '=' + value.inspect(true);
|
---|
| 1685 | });
|
---|
| 1686 | return result + '>';
|
---|
| 1687 | },
|
---|
| 1688 |
|
---|
| 1689 | recursivelyCollect: function(element, property) {
|
---|
| 1690 | element = $(element);
|
---|
| 1691 | var elements = [];
|
---|
| 1692 | while (element = element[property])
|
---|
| 1693 | if (element.nodeType == 1)
|
---|
| 1694 | elements.push(Element.extend(element));
|
---|
| 1695 | return elements;
|
---|
| 1696 | },
|
---|
| 1697 |
|
---|
| 1698 | ancestors: function(element) {
|
---|
| 1699 | return $(element).recursivelyCollect('parentNode');
|
---|
| 1700 | },
|
---|
| 1701 |
|
---|
| 1702 | descendants: function(element) {
|
---|
| 1703 | return $(element).select("*");
|
---|
| 1704 | },
|
---|
| 1705 |
|
---|
| 1706 | firstDescendant: function(element) {
|
---|
| 1707 | element = $(element).firstChild;
|
---|
| 1708 | while (element && element.nodeType != 1) element = element.nextSibling;
|
---|
| 1709 | return $(element);
|
---|
| 1710 | },
|
---|
| 1711 |
|
---|
| 1712 | immediateDescendants: function(element) {
|
---|
| 1713 | if (!(element = $(element).firstChild)) return [];
|
---|
| 1714 | while (element && element.nodeType != 1) element = element.nextSibling;
|
---|
| 1715 | if (element) return [element].concat($(element).nextSiblings());
|
---|
| 1716 | return [];
|
---|
| 1717 | },
|
---|
| 1718 |
|
---|
| 1719 | previousSiblings: function(element) {
|
---|
| 1720 | return $(element).recursivelyCollect('previousSibling');
|
---|
| 1721 | },
|
---|
| 1722 |
|
---|
| 1723 | nextSiblings: function(element) {
|
---|
| 1724 | return $(element).recursivelyCollect('nextSibling');
|
---|
| 1725 | },
|
---|
| 1726 |
|
---|
| 1727 | siblings: function(element) {
|
---|
| 1728 | element = $(element);
|
---|
| 1729 | return element.previousSiblings().reverse().concat(element.nextSiblings());
|
---|
| 1730 | },
|
---|
| 1731 |
|
---|
| 1732 | match: function(element, selector) {
|
---|
| 1733 | if (Object.isString(selector))
|
---|
| 1734 | selector = new Selector(selector);
|
---|
| 1735 | return selector.match($(element));
|
---|
| 1736 | },
|
---|
| 1737 |
|
---|
| 1738 | up: function(element, expression, index) {
|
---|
| 1739 | element = $(element);
|
---|
| 1740 | if (arguments.length == 1) return $(element.parentNode);
|
---|
| 1741 | var ancestors = element.ancestors();
|
---|
| 1742 | return Object.isNumber(expression) ? ancestors[expression] :
|
---|
| 1743 | Selector.findElement(ancestors, expression, index);
|
---|
| 1744 | },
|
---|
| 1745 |
|
---|
| 1746 | down: function(element, expression, index) {
|
---|
| 1747 | element = $(element);
|
---|
| 1748 | if (arguments.length == 1) return element.firstDescendant();
|
---|
| 1749 | return Object.isNumber(expression) ? element.descendants()[expression] :
|
---|
| 1750 | Element.select(element, expression)[index || 0];
|
---|
| 1751 | },
|
---|
| 1752 |
|
---|
| 1753 | previous: function(element, expression, index) {
|
---|
| 1754 | element = $(element);
|
---|
| 1755 | if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
|
---|
| 1756 | var previousSiblings = element.previousSiblings();
|
---|
| 1757 | return Object.isNumber(expression) ? previousSiblings[expression] :
|
---|
| 1758 | Selector.findElement(previousSiblings, expression, index);
|
---|
| 1759 | },
|
---|
| 1760 |
|
---|
| 1761 | next: function(element, expression, index) {
|
---|
| 1762 | element = $(element);
|
---|
| 1763 | if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
|
---|
| 1764 | var nextSiblings = element.nextSiblings();
|
---|
| 1765 | return Object.isNumber(expression) ? nextSiblings[expression] :
|
---|
| 1766 | Selector.findElement(nextSiblings, expression, index);
|
---|
| 1767 | },
|
---|
| 1768 |
|
---|
| 1769 | select: function() {
|
---|
| 1770 | var args = $A(arguments), element = $(args.shift());
|
---|
| 1771 | return Selector.findChildElements(element, args);
|
---|
| 1772 | },
|
---|
| 1773 |
|
---|
| 1774 | adjacent: function() {
|
---|
| 1775 | var args = $A(arguments), element = $(args.shift());
|
---|
| 1776 | return Selector.findChildElements(element.parentNode, args).without(element);
|
---|
| 1777 | },
|
---|
| 1778 |
|
---|
| 1779 | identify: function(element) {
|
---|
| 1780 | element = $(element);
|
---|
| 1781 | var id = element.readAttribute('id'), self = arguments.callee;
|
---|
| 1782 | if (id) return id;
|
---|
| 1783 | do { id = 'anonymous_element_' + self.counter++ } while ($(id));
|
---|
| 1784 | element.writeAttribute('id', id);
|
---|
| 1785 | return id;
|
---|
| 1786 | },
|
---|
| 1787 |
|
---|
| 1788 | readAttribute: function(element, name) {
|
---|
| 1789 | element = $(element);
|
---|
| 1790 | if (Prototype.Browser.IE) {
|
---|
| 1791 | var t = Element._attributeTranslations.read;
|
---|
| 1792 | if (t.values[name]) return t.values[name](element, name);
|
---|
| 1793 | if (t.names[name]) name = t.names[name];
|
---|
| 1794 | if (name.include(':')) {
|
---|
| 1795 | return (!element.attributes || !element.attributes[name]) ? null :
|
---|
| 1796 | element.attributes[name].value;
|
---|
| 1797 | }
|
---|
| 1798 | }
|
---|
| 1799 | return element.getAttribute(name);
|
---|
| 1800 | },
|
---|
| 1801 |
|
---|
| 1802 | writeAttribute: function(element, name, value) {
|
---|
| 1803 | element = $(element);
|
---|
| 1804 | var attributes = { }, t = Element._attributeTranslations.write;
|
---|
| 1805 |
|
---|
| 1806 | if (typeof name == 'object') attributes = name;
|
---|
| 1807 | else attributes[name] = Object.isUndefined(value) ? true : value;
|
---|
| 1808 |
|
---|
| 1809 | for (var attr in attributes) {
|
---|
| 1810 | name = t.names[attr] || attr;
|
---|
| 1811 | value = attributes[attr];
|
---|
| 1812 | if (t.values[attr]) name = t.values[attr](element, value);
|
---|
| 1813 | if (value === false || value === null)
|
---|
| 1814 | element.removeAttribute(name);
|
---|
| 1815 | else if (value === true)
|
---|
| 1816 | element.setAttribute(name, name);
|
---|
| 1817 | else element.setAttribute(name, value);
|
---|
| 1818 | }
|
---|
| 1819 | return element;
|
---|
| 1820 | },
|
---|
| 1821 |
|
---|
| 1822 | getHeight: function(element) {
|
---|
| 1823 | return $(element).getDimensions().height;
|
---|
| 1824 | },
|
---|
| 1825 |
|
---|
| 1826 | getWidth: function(element) {
|
---|
| 1827 | return $(element).getDimensions().width;
|
---|
| 1828 | },
|
---|
| 1829 |
|
---|
| 1830 | classNames: function(element) {
|
---|
| 1831 | return new Element.ClassNames(element);
|
---|
| 1832 | },
|
---|
| 1833 |
|
---|
| 1834 | hasClassName: function(element, className) {
|
---|
| 1835 | if (!(element = $(element))) return;
|
---|
| 1836 | var elementClassName = element.className;
|
---|
| 1837 | return (elementClassName.length > 0 && (elementClassName == className ||
|
---|
| 1838 | new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
|
---|
| 1839 | },
|
---|
| 1840 |
|
---|
| 1841 | addClassName: function(element, className) {
|
---|
| 1842 | if (!(element = $(element))) return;
|
---|
| 1843 | if (!element.hasClassName(className))
|
---|
| 1844 | element.className += (element.className ? ' ' : '') + className;
|
---|
| 1845 | return element;
|
---|
| 1846 | },
|
---|
| 1847 |
|
---|
| 1848 | removeClassName: function(element, className) {
|
---|
| 1849 | if (!(element = $(element))) return;
|
---|
| 1850 | element.className = element.className.replace(
|
---|
| 1851 | new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
|
---|
| 1852 | return element;
|
---|
| 1853 | },
|
---|
| 1854 |
|
---|
| 1855 | toggleClassName: function(element, className) {
|
---|
| 1856 | if (!(element = $(element))) return;
|
---|
| 1857 | return element[element.hasClassName(className) ?
|
---|
| 1858 | 'removeClassName' : 'addClassName'](className);
|
---|
| 1859 | },
|
---|
| 1860 |
|
---|
| 1861 | // removes whitespace-only text node children
|
---|
| 1862 | cleanWhitespace: function(element) {
|
---|
| 1863 | element = $(element);
|
---|
| 1864 | var node = element.firstChild;
|
---|
| 1865 | while (node) {
|
---|
| 1866 | var nextNode = node.nextSibling;
|
---|
| 1867 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
|
---|
| 1868 | element.removeChild(node);
|
---|
| 1869 | node = nextNode;
|
---|
| 1870 | }
|
---|
| 1871 | return element;
|
---|
| 1872 | },
|
---|
| 1873 |
|
---|
| 1874 | empty: function(element) {
|
---|
| 1875 | return $(element).innerHTML.blank();
|
---|
| 1876 | },
|
---|
| 1877 |
|
---|
| 1878 | descendantOf: function(element, ancestor) {
|
---|
| 1879 | element = $(element), ancestor = $(ancestor);
|
---|
| 1880 |
|
---|
| 1881 | if (element.compareDocumentPosition)
|
---|
| 1882 | return (element.compareDocumentPosition(ancestor) & 8) === 8;
|
---|
| 1883 |
|
---|
| 1884 | if (ancestor.contains)
|
---|
| 1885 | return ancestor.contains(element) && ancestor !== element;
|
---|
| 1886 |
|
---|
| 1887 | while (element = element.parentNode)
|
---|
| 1888 | if (element == ancestor) return true;
|
---|
| 1889 |
|
---|
| 1890 | return false;
|
---|
| 1891 | },
|
---|
| 1892 |
|
---|
| 1893 | scrollTo: function(element) {
|
---|
| 1894 | element = $(element);
|
---|
| 1895 | var pos = element.cumulativeOffset();
|
---|
| 1896 | window.scrollTo(pos[0], pos[1]);
|
---|
| 1897 | return element;
|
---|
| 1898 | },
|
---|
| 1899 |
|
---|
| 1900 | getStyle: function(element, style) {
|
---|
| 1901 | element = $(element);
|
---|
| 1902 | style = style == 'float' ? 'cssFloat' : style.camelize();
|
---|
| 1903 | var value = element.style[style];
|
---|
| 1904 | if (!value || value == 'auto') {
|
---|
| 1905 | var css = document.defaultView.getComputedStyle(element, null);
|
---|
| 1906 | value = css ? css[style] : null;
|
---|
| 1907 | }
|
---|
| 1908 | if (style == 'opacity') return value ? parseFloat(value) : 1.0;
|
---|
| 1909 | return value == 'auto' ? null : value;
|
---|
| 1910 | },
|
---|
| 1911 |
|
---|
| 1912 | getOpacity: function(element) {
|
---|
| 1913 | return $(element).getStyle('opacity');
|
---|
| 1914 | },
|
---|
| 1915 |
|
---|
| 1916 | setStyle: function(element, styles) {
|
---|
| 1917 | element = $(element);
|
---|
| 1918 | var elementStyle = element.style, match;
|
---|
| 1919 | if (Object.isString(styles)) {
|
---|
| 1920 | element.style.cssText += ';' + styles;
|
---|
| 1921 | return styles.include('opacity') ?
|
---|
| 1922 | element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
|
---|
| 1923 | }
|
---|
| 1924 | for (var property in styles)
|
---|
| 1925 | if (property == 'opacity') element.setOpacity(styles[property]);
|
---|
| 1926 | else
|
---|
| 1927 | elementStyle[(property == 'float' || property == 'cssFloat') ?
|
---|
| 1928 | (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
|
---|
| 1929 | property] = styles[property];
|
---|
| 1930 |
|
---|
| 1931 | return element;
|
---|
| 1932 | },
|
---|
| 1933 |
|
---|
| 1934 | setOpacity: function(element, value) {
|
---|
| 1935 | element = $(element);
|
---|
| 1936 | element.style.opacity = (value == 1 || value === '') ? '' :
|
---|
| 1937 | (value < 0.00001) ? 0 : value;
|
---|
| 1938 | return element;
|
---|
| 1939 | },
|
---|
| 1940 |
|
---|
| 1941 | getDimensions: function(element) {
|
---|
| 1942 | element = $(element);
|
---|
| 1943 | var display = element.getStyle('display');
|
---|
| 1944 | if (display != 'none' && display != null) // Safari bug
|
---|
| 1945 | return {width: element.offsetWidth, height: element.offsetHeight};
|
---|
| 1946 |
|
---|
| 1947 | // All *Width and *Height properties give 0 on elements with display none,
|
---|
| 1948 | // so enable the element temporarily
|
---|
| 1949 | var els = element.style;
|
---|
| 1950 | var originalVisibility = els.visibility;
|
---|
| 1951 | var originalPosition = els.position;
|
---|
| 1952 | var originalDisplay = els.display;
|
---|
| 1953 | els.visibility = 'hidden';
|
---|
| 1954 | els.position = 'absolute';
|
---|
| 1955 | els.display = 'block';
|
---|
| 1956 | var originalWidth = element.clientWidth;
|
---|
| 1957 | var originalHeight = element.clientHeight;
|
---|
| 1958 | els.display = originalDisplay;
|
---|
| 1959 | els.position = originalPosition;
|
---|
| 1960 | els.visibility = originalVisibility;
|
---|
| 1961 | return {width: originalWidth, height: originalHeight};
|
---|
| 1962 | },
|
---|
| 1963 |
|
---|
| 1964 | makePositioned: function(element) {
|
---|
| 1965 | element = $(element);
|
---|
| 1966 | var pos = Element.getStyle(element, 'position');
|
---|
| 1967 | if (pos == 'static' || !pos) {
|
---|
| 1968 | element._madePositioned = true;
|
---|
| 1969 | element.style.position = 'relative';
|
---|
| 1970 | // Opera returns the offset relative to the positioning context, when an
|
---|
| 1971 | // element is position relative but top and left have not been defined
|
---|
| 1972 | if (Prototype.Browser.Opera) {
|
---|
| 1973 | element.style.top = 0;
|
---|
| 1974 | element.style.left = 0;
|
---|
| 1975 | }
|
---|
| 1976 | }
|
---|
| 1977 | return element;
|
---|
| 1978 | },
|
---|
| 1979 |
|
---|
| 1980 | undoPositioned: function(element) {
|
---|
| 1981 | element = $(element);
|
---|
| 1982 | if (element._madePositioned) {
|
---|
| 1983 | element._madePositioned = undefined;
|
---|
| 1984 | element.style.position =
|
---|
| 1985 | element.style.top =
|
---|
| 1986 | element.style.left =
|
---|
| 1987 | element.style.bottom =
|
---|
| 1988 | element.style.right = '';
|
---|
| 1989 | }
|
---|
| 1990 | return element;
|
---|
| 1991 | },
|
---|
| 1992 |
|
---|
| 1993 | makeClipping: function(element) {
|
---|
| 1994 | element = $(element);
|
---|
| 1995 | if (element._overflow) return element;
|
---|
| 1996 | element._overflow = Element.getStyle(element, 'overflow') || 'auto';
|
---|
| 1997 | if (element._overflow !== 'hidden')
|
---|
| 1998 | element.style.overflow = 'hidden';
|
---|
| 1999 | return element;
|
---|
| 2000 | },
|
---|
| 2001 |
|
---|
| 2002 | undoClipping: function(element) {
|
---|
| 2003 | element = $(element);
|
---|
| 2004 | if (!element._overflow) return element;
|
---|
| 2005 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
|
---|
| 2006 | element._overflow = null;
|
---|
| 2007 | return element;
|
---|
| 2008 | },
|
---|
| 2009 |
|
---|
| 2010 | cumulativeOffset: function(element) {
|
---|
| 2011 | var valueT = 0, valueL = 0;
|
---|
| 2012 | do {
|
---|
| 2013 | valueT += element.offsetTop || 0;
|
---|
| 2014 | valueL += element.offsetLeft || 0;
|
---|
| 2015 | element = element.offsetParent;
|
---|
| 2016 | } while (element);
|
---|
| 2017 | return Element._returnOffset(valueL, valueT);
|
---|
| 2018 | },
|
---|
| 2019 |
|
---|
| 2020 | positionedOffset: function(element) {
|
---|
| 2021 | var valueT = 0, valueL = 0;
|
---|
| 2022 | do {
|
---|
| 2023 | valueT += element.offsetTop || 0;
|
---|
| 2024 | valueL += element.offsetLeft || 0;
|
---|
| 2025 | element = element.offsetParent;
|
---|
| 2026 | if (element) {
|
---|
| 2027 | if (element.tagName.toUpperCase() == 'BODY') break;
|
---|
| 2028 | var p = Element.getStyle(element, 'position');
|
---|
| 2029 | if (p !== 'static') break;
|
---|
| 2030 | }
|
---|
| 2031 | } while (element);
|
---|
| 2032 | return Element._returnOffset(valueL, valueT);
|
---|
| 2033 | },
|
---|
| 2034 |
|
---|
| 2035 | absolutize: function(element) {
|
---|
| 2036 | element = $(element);
|
---|
| 2037 | if (element.getStyle('position') == 'absolute') return element;
|
---|
| 2038 | // Position.prepare(); // To be done manually by Scripty when it needs it.
|
---|
| 2039 |
|
---|
| 2040 | var offsets = element.positionedOffset();
|
---|
| 2041 | var top = offsets[1];
|
---|
| 2042 | var left = offsets[0];
|
---|
| 2043 | var width = element.clientWidth;
|
---|
| 2044 | var height = element.clientHeight;
|
---|
| 2045 |
|
---|
| 2046 | element._originalLeft = left - parseFloat(element.style.left || 0);
|
---|
| 2047 | element._originalTop = top - parseFloat(element.style.top || 0);
|
---|
| 2048 | element._originalWidth = element.style.width;
|
---|
| 2049 | element._originalHeight = element.style.height;
|
---|
| 2050 |
|
---|
| 2051 | element.style.position = 'absolute';
|
---|
| 2052 | element.style.top = top + 'px';
|
---|
| 2053 | element.style.left = left + 'px';
|
---|
| 2054 | element.style.width = width + 'px';
|
---|
| 2055 | element.style.height = height + 'px';
|
---|
| 2056 | return element;
|
---|
| 2057 | },
|
---|
| 2058 |
|
---|
| 2059 | relativize: function(element) {
|
---|
| 2060 | element = $(element);
|
---|
| 2061 | if (element.getStyle('position') == 'relative') return element;
|
---|
| 2062 | // Position.prepare(); // To be done manually by Scripty when it needs it.
|
---|
| 2063 |
|
---|
| 2064 | element.style.position = 'relative';
|
---|
| 2065 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
|
---|
| 2066 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
|
---|
| 2067 |
|
---|
| 2068 | element.style.top = top + 'px';
|
---|
| 2069 | element.style.left = left + 'px';
|
---|
| 2070 | element.style.height = element._originalHeight;
|
---|
| 2071 | element.style.width = element._originalWidth;
|
---|
| 2072 | return element;
|
---|
| 2073 | },
|
---|
| 2074 |
|
---|
| 2075 | cumulativeScrollOffset: function(element) {
|
---|
| 2076 | var valueT = 0, valueL = 0;
|
---|
| 2077 | do {
|
---|
| 2078 | valueT += element.scrollTop || 0;
|
---|
| 2079 | valueL += element.scrollLeft || 0;
|
---|
| 2080 | element = element.parentNode;
|
---|
| 2081 | } while (element);
|
---|
| 2082 | return Element._returnOffset(valueL, valueT);
|
---|
| 2083 | },
|
---|
| 2084 |
|
---|
| 2085 | getOffsetParent: function(element) {
|
---|
| 2086 | if (element.offsetParent) return $(element.offsetParent);
|
---|
| 2087 | if (element == document.body) return $(element);
|
---|
| 2088 |
|
---|
| 2089 | while ((element = element.parentNode) && element != document.body)
|
---|
| 2090 | if (Element.getStyle(element, 'position') != 'static')
|
---|
| 2091 | return $(element);
|
---|
| 2092 |
|
---|
| 2093 | return $(document.body);
|
---|
| 2094 | },
|
---|
| 2095 |
|
---|
| 2096 | viewportOffset: function(forElement) {
|
---|
| 2097 | var valueT = 0, valueL = 0;
|
---|
| 2098 |
|
---|
| 2099 | var element = forElement;
|
---|
| 2100 | do {
|
---|
| 2101 | valueT += element.offsetTop || 0;
|
---|
| 2102 | valueL += element.offsetLeft || 0;
|
---|
| 2103 |
|
---|
| 2104 | // Safari fix
|
---|
| 2105 | if (element.offsetParent == document.body &&
|
---|
| 2106 | Element.getStyle(element, 'position') == 'absolute') break;
|
---|
| 2107 |
|
---|
| 2108 | } while (element = element.offsetParent);
|
---|
| 2109 |
|
---|
| 2110 | element = forElement;
|
---|
| 2111 | do {
|
---|
| 2112 | if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
|
---|
| 2113 | valueT -= element.scrollTop || 0;
|
---|
| 2114 | valueL -= element.scrollLeft || 0;
|
---|
| 2115 | }
|
---|
| 2116 | } while (element = element.parentNode);
|
---|
| 2117 |
|
---|
| 2118 | return Element._returnOffset(valueL, valueT);
|
---|
| 2119 | },
|
---|
| 2120 |
|
---|
| 2121 | clonePosition: function(element, source) {
|
---|
| 2122 | var options = Object.extend({
|
---|
| 2123 | setLeft: true,
|
---|
| 2124 | setTop: true,
|
---|
| 2125 | setWidth: true,
|
---|
| 2126 | setHeight: true,
|
---|
| 2127 | offsetTop: 0,
|
---|
| 2128 | offsetLeft: 0
|
---|
| 2129 | }, arguments[2] || { });
|
---|
| 2130 |
|
---|
| 2131 | // find page position of source
|
---|
| 2132 | source = $(source);
|
---|
| 2133 | var p = source.viewportOffset();
|
---|
| 2134 |
|
---|
| 2135 | // find coordinate system to use
|
---|
| 2136 | element = $(element);
|
---|
| 2137 | var delta = [0, 0];
|
---|
| 2138 | var parent = null;
|
---|
| 2139 | // delta [0,0] will do fine with position: fixed elements,
|
---|
| 2140 | // position:absolute needs offsetParent deltas
|
---|
| 2141 | if (Element.getStyle(element, 'position') == 'absolute') {
|
---|
| 2142 | parent = element.getOffsetParent();
|
---|
| 2143 | delta = parent.viewportOffset();
|
---|
| 2144 | }
|
---|
| 2145 |
|
---|
| 2146 | // correct by body offsets (fixes Safari)
|
---|
| 2147 | if (parent == document.body) {
|
---|
| 2148 | delta[0] -= document.body.offsetLeft;
|
---|
| 2149 | delta[1] -= document.body.offsetTop;
|
---|
| 2150 | }
|
---|
| 2151 |
|
---|
| 2152 | // set position
|
---|
| 2153 | if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
|
---|
| 2154 | if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
|
---|
| 2155 | if (options.setWidth) element.style.width = source.offsetWidth + 'px';
|
---|
| 2156 | if (options.setHeight) element.style.height = source.offsetHeight + 'px';
|
---|
| 2157 | return element;
|
---|
| 2158 | }
|
---|
| 2159 | };
|
---|
| 2160 |
|
---|
| 2161 | Element.Methods.identify.counter = 1;
|
---|
| 2162 |
|
---|
| 2163 | Object.extend(Element.Methods, {
|
---|
| 2164 | getElementsBySelector: Element.Methods.select,
|
---|
| 2165 | childElements: Element.Methods.immediateDescendants
|
---|
| 2166 | });
|
---|
| 2167 |
|
---|
| 2168 | Element._attributeTranslations = {
|
---|
| 2169 | write: {
|
---|
| 2170 | names: {
|
---|
| 2171 | className: 'class',
|
---|
| 2172 | htmlFor: 'for'
|
---|
| 2173 | },
|
---|
| 2174 | values: { }
|
---|
| 2175 | }
|
---|
| 2176 | };
|
---|
| 2177 |
|
---|
| 2178 | if (Prototype.Browser.Opera) {
|
---|
| 2179 | Element.Methods.getStyle = Element.Methods.getStyle.wrap(
|
---|
| 2180 | function(proceed, element, style) {
|
---|
| 2181 | switch (style) {
|
---|
| 2182 | case 'left': case 'top': case 'right': case 'bottom':
|
---|
| 2183 | if (proceed(element, 'position') === 'static') return null;
|
---|
| 2184 | case 'height': case 'width':
|
---|
| 2185 | // returns '0px' for hidden elements; we want it to return null
|
---|
| 2186 | if (!Element.visible(element)) return null;
|
---|
| 2187 |
|
---|
| 2188 | // returns the border-box dimensions rather than the content-box
|
---|
| 2189 | // dimensions, so we subtract padding and borders from the value
|
---|
| 2190 | var dim = parseInt(proceed(element, style), 10);
|
---|
| 2191 |
|
---|
| 2192 | if (dim !== element['offset' + style.capitalize()])
|
---|
| 2193 | return dim + 'px';
|
---|
| 2194 |
|
---|
| 2195 | var properties;
|
---|
| 2196 | if (style === 'height') {
|
---|
| 2197 | properties = ['border-top-width', 'padding-top',
|
---|
| 2198 | 'padding-bottom', 'border-bottom-width'];
|
---|
| 2199 | }
|
---|
| 2200 | else {
|
---|
| 2201 | properties = ['border-left-width', 'padding-left',
|
---|
| 2202 | 'padding-right', 'border-right-width'];
|
---|
| 2203 | }
|
---|
| 2204 | return properties.inject(dim, function(memo, property) {
|
---|
| 2205 | var val = proceed(element, property);
|
---|
| 2206 | return val === null ? memo : memo - parseInt(val, 10);
|
---|
| 2207 | }) + 'px';
|
---|
| 2208 | default: return proceed(element, style);
|
---|
| 2209 | }
|
---|
| 2210 | }
|
---|
| 2211 | );
|
---|
| 2212 |
|
---|
| 2213 | Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
|
---|
| 2214 | function(proceed, element, attribute) {
|
---|
| 2215 | if (attribute === 'title') return element.title;
|
---|
| 2216 | return proceed(element, attribute);
|
---|
| 2217 | }
|
---|
| 2218 | );
|
---|
| 2219 | }
|
---|
| 2220 |
|
---|
| 2221 | else if (Prototype.Browser.IE) {
|
---|
| 2222 | // IE doesn't report offsets correctly for static elements, so we change them
|
---|
| 2223 | // to "relative" to get the values, then change them back.
|
---|
| 2224 | Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
|
---|
| 2225 | function(proceed, element) {
|
---|
| 2226 | element = $(element);
|
---|
| 2227 | // IE throws an error if element is not in document
|
---|
| 2228 | try { element.offsetParent }
|
---|
| 2229 | catch(e) { return $(document.body) }
|
---|
| 2230 | var position = element.getStyle('position');
|
---|
| 2231 | if (position !== 'static') return proceed(element);
|
---|
| 2232 | element.setStyle({ position: 'relative' });
|
---|
| 2233 | var value = proceed(element);
|
---|
| 2234 | element.setStyle({ position: position });
|
---|
| 2235 | return value;
|
---|
| 2236 | }
|
---|
| 2237 | );
|
---|
| 2238 |
|
---|
| 2239 | $w('positionedOffset viewportOffset').each(function(method) {
|
---|
| 2240 | Element.Methods[method] = Element.Methods[method].wrap(
|
---|
| 2241 | function(proceed, element) {
|
---|
| 2242 | element = $(element);
|
---|
| 2243 | try { element.offsetParent }
|
---|
| 2244 | catch(e) { return Element._returnOffset(0,0) }
|
---|
| 2245 | var position = element.getStyle('position');
|
---|
| 2246 | if (position !== 'static') return proceed(element);
|
---|
| 2247 | // Trigger hasLayout on the offset parent so that IE6 reports
|
---|
| 2248 | // accurate offsetTop and offsetLeft values for position: fixed.
|
---|
| 2249 | var offsetParent = element.getOffsetParent();
|
---|
| 2250 | if (offsetParent && offsetParent.getStyle('position') === 'fixed')
|
---|
| 2251 | offsetParent.setStyle({ zoom: 1 });
|
---|
| 2252 | element.setStyle({ position: 'relative' });
|
---|
| 2253 | var value = proceed(element);
|
---|
| 2254 | element.setStyle({ position: position });
|
---|
| 2255 | return value;
|
---|
| 2256 | }
|
---|
| 2257 | );
|
---|
| 2258 | });
|
---|
| 2259 |
|
---|
| 2260 | Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
|
---|
| 2261 | function(proceed, element) {
|
---|
| 2262 | try { element.offsetParent }
|
---|
| 2263 | catch(e) { return Element._returnOffset(0,0) }
|
---|
| 2264 | return proceed(element);
|
---|
| 2265 | }
|
---|
| 2266 | );
|
---|
| 2267 |
|
---|
| 2268 | Element.Methods.getStyle = function(element, style) {
|
---|
| 2269 | element = $(element);
|
---|
| 2270 | style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
|
---|
| 2271 | var value = element.style[style];
|
---|
| 2272 | if (!value && element.currentStyle) value = element.currentStyle[style];
|
---|
| 2273 |
|
---|
| 2274 | if (style == 'opacity') {
|
---|
| 2275 | if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
|
---|
| 2276 | if (value[1]) return parseFloat(value[1]) / 100;
|
---|
| 2277 | return 1.0;
|
---|
| 2278 | }
|
---|
| 2279 |
|
---|
| 2280 | if (value == 'auto') {
|
---|
| 2281 | if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
|
---|
| 2282 | return element['offset' + style.capitalize()] + 'px';
|
---|
| 2283 | return null;
|
---|
| 2284 | }
|
---|
| 2285 | return value;
|
---|
| 2286 | };
|
---|
| 2287 |
|
---|
| 2288 | Element.Methods.setOpacity = function(element, value) {
|
---|
| 2289 | function stripAlpha(filter){
|
---|
| 2290 | return filter.replace(/alpha\([^\)]*\)/gi,'');
|
---|
| 2291 | }
|
---|
| 2292 | element = $(element);
|
---|
| 2293 | var currentStyle = element.currentStyle;
|
---|
| 2294 | if ((currentStyle && !currentStyle.hasLayout) ||
|
---|
| 2295 | (!currentStyle && element.style.zoom == 'normal'))
|
---|
| 2296 | element.style.zoom = 1;
|
---|
| 2297 |
|
---|
| 2298 | var filter = element.getStyle('filter'), style = element.style;
|
---|
| 2299 | if (value == 1 || value === '') {
|
---|
| 2300 | (filter = stripAlpha(filter)) ?
|
---|
| 2301 | style.filter = filter : style.removeAttribute('filter');
|
---|
| 2302 | return element;
|
---|
| 2303 | } else if (value < 0.00001) value = 0;
|
---|
| 2304 | style.filter = stripAlpha(filter) +
|
---|
| 2305 | 'alpha(opacity=' + (value * 100) + ')';
|
---|
| 2306 | return element;
|
---|
| 2307 | };
|
---|
| 2308 |
|
---|
| 2309 | Element._attributeTranslations = {
|
---|
| 2310 | read: {
|
---|
| 2311 | names: {
|
---|
| 2312 | 'class': 'className',
|
---|
| 2313 | 'for': 'htmlFor'
|
---|
| 2314 | },
|
---|
| 2315 | values: {
|
---|
| 2316 | _getAttr: function(element, attribute) {
|
---|
| 2317 | return element.getAttribute(attribute, 2);
|
---|
| 2318 | },
|
---|
| 2319 | _getAttrNode: function(element, attribute) {
|
---|
| 2320 | var node = element.getAttributeNode(attribute);
|
---|
| 2321 | return node ? node.value : "";
|
---|
| 2322 | },
|
---|
| 2323 | _getEv: function(element, attribute) {
|
---|
| 2324 | attribute = element.getAttribute(attribute);
|
---|
| 2325 | return attribute ? attribute.toString().slice(23, -2) : null;
|
---|
| 2326 | },
|
---|
| 2327 | _flag: function(element, attribute) {
|
---|
| 2328 | return $(element).hasAttribute(attribute) ? attribute : null;
|
---|
| 2329 | },
|
---|
| 2330 | style: function(element) {
|
---|
| 2331 | return element.style.cssText.toLowerCase();
|
---|
| 2332 | },
|
---|
| 2333 | title: function(element) {
|
---|
| 2334 | return element.title;
|
---|
| 2335 | }
|
---|
| 2336 | }
|
---|
| 2337 | }
|
---|
| 2338 | };
|
---|
| 2339 |
|
---|
| 2340 | Element._attributeTranslations.write = {
|
---|
| 2341 | names: Object.extend({
|
---|
| 2342 | cellpadding: 'cellPadding',
|
---|
| 2343 | cellspacing: 'cellSpacing'
|
---|
| 2344 | }, Element._attributeTranslations.read.names),
|
---|
| 2345 | values: {
|
---|
| 2346 | checked: function(element, value) {
|
---|
| 2347 | element.checked = !!value;
|
---|
| 2348 | },
|
---|
| 2349 |
|
---|
| 2350 | style: function(element, value) {
|
---|
| 2351 | element.style.cssText = value ? value : '';
|
---|
| 2352 | }
|
---|
| 2353 | }
|
---|
| 2354 | };
|
---|
| 2355 |
|
---|
| 2356 | Element._attributeTranslations.has = {};
|
---|
| 2357 |
|
---|
| 2358 | $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
|
---|
| 2359 | 'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
|
---|
| 2360 | Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
|
---|
| 2361 | Element._attributeTranslations.has[attr.toLowerCase()] = attr;
|
---|
| 2362 | });
|
---|
| 2363 |
|
---|
| 2364 | (function(v) {
|
---|
| 2365 | Object.extend(v, {
|
---|
| 2366 | href: v._getAttr,
|
---|
| 2367 | src: v._getAttr,
|
---|
| 2368 | type: v._getAttr,
|
---|
| 2369 | action: v._getAttrNode,
|
---|
| 2370 | disabled: v._flag,
|
---|
| 2371 | checked: v._flag,
|
---|
| 2372 | readonly: v._flag,
|
---|
| 2373 | multiple: v._flag,
|
---|
| 2374 | onload: v._getEv,
|
---|
| 2375 | onunload: v._getEv,
|
---|
| 2376 | onclick: v._getEv,
|
---|
| 2377 | ondblclick: v._getEv,
|
---|
| 2378 | onmousedown: v._getEv,
|
---|
| 2379 | onmouseup: v._getEv,
|
---|
| 2380 | onmouseover: v._getEv,
|
---|
| 2381 | onmousemove: v._getEv,
|
---|
| 2382 | onmouseout: v._getEv,
|
---|
| 2383 | onfocus: v._getEv,
|
---|
| 2384 | onblur: v._getEv,
|
---|
| 2385 | onkeypress: v._getEv,
|
---|
| 2386 | onkeydown: v._getEv,
|
---|
| 2387 | onkeyup: v._getEv,
|
---|
| 2388 | onsubmit: v._getEv,
|
---|
| 2389 | onreset: v._getEv,
|
---|
| 2390 | onselect: v._getEv,
|
---|
| 2391 | onchange: v._getEv
|
---|
| 2392 | });
|
---|
| 2393 | })(Element._attributeTranslations.read.values);
|
---|
| 2394 | }
|
---|
| 2395 |
|
---|
| 2396 | else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
|
---|
| 2397 | Element.Methods.setOpacity = function(element, value) {
|
---|
| 2398 | element = $(element);
|
---|
| 2399 | element.style.opacity = (value == 1) ? 0.999999 :
|
---|
| 2400 | (value === '') ? '' : (value < 0.00001) ? 0 : value;
|
---|
| 2401 | return element;
|
---|
| 2402 | };
|
---|
| 2403 | }
|
---|
| 2404 |
|
---|
| 2405 | else if (Prototype.Browser.WebKit) {
|
---|
| 2406 | Element.Methods.setOpacity = function(element, value) {
|
---|
| 2407 | element = $(element);
|
---|
| 2408 | element.style.opacity = (value == 1 || value === '') ? '' :
|
---|
| 2409 | (value < 0.00001) ? 0 : value;
|
---|
| 2410 |
|
---|
| 2411 | if (value == 1)
|
---|
| 2412 | if(element.tagName.toUpperCase() == 'IMG' && element.width) {
|
---|
| 2413 | element.width++; element.width--;
|
---|
| 2414 | } else try {
|
---|
| 2415 | var n = document.createTextNode(' ');
|
---|
| 2416 | element.appendChild(n);
|
---|
| 2417 | element.removeChild(n);
|
---|
| 2418 | } catch (e) { }
|
---|
| 2419 |
|
---|
| 2420 | return element;
|
---|
| 2421 | };
|
---|
| 2422 |
|
---|
| 2423 | // Safari returns margins on body which is incorrect if the child is absolutely
|
---|
| 2424 | // positioned. For performance reasons, redefine Element#cumulativeOffset for
|
---|
| 2425 | // KHTML/WebKit only.
|
---|
| 2426 | Element.Methods.cumulativeOffset = function(element) {
|
---|
| 2427 | var valueT = 0, valueL = 0;
|
---|
| 2428 | do {
|
---|
| 2429 | valueT += element.offsetTop || 0;
|
---|
| 2430 | valueL += element.offsetLeft || 0;
|
---|
| 2431 | if (element.offsetParent == document.body)
|
---|
| 2432 | if (Element.getStyle(element, 'position') == 'absolute') break;
|
---|
| 2433 |
|
---|
| 2434 | element = element.offsetParent;
|
---|
| 2435 | } while (element);
|
---|
| 2436 |
|
---|
| 2437 | return Element._returnOffset(valueL, valueT);
|
---|
| 2438 | };
|
---|
| 2439 | }
|
---|
| 2440 |
|
---|
| 2441 | if (Prototype.Browser.IE || Prototype.Browser.Opera) {
|
---|
| 2442 | // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
|
---|
| 2443 | Element.Methods.update = function(element, content) {
|
---|
| 2444 | element = $(element);
|
---|
| 2445 |
|
---|
| 2446 | if (content && content.toElement) content = content.toElement();
|
---|
| 2447 | if (Object.isElement(content)) return element.update().insert(content);
|
---|
| 2448 |
|
---|
| 2449 | content = Object.toHTML(content);
|
---|
| 2450 | var tagName = element.tagName.toUpperCase();
|
---|
| 2451 |
|
---|
| 2452 | if (tagName in Element._insertionTranslations.tags) {
|
---|
| 2453 | $A(element.childNodes).each(function(node) { element.removeChild(node) });
|
---|
| 2454 | Element._getContentFromAnonymousElement(tagName, content.stripScripts())
|
---|
| 2455 | .each(function(node) { element.appendChild(node) });
|
---|
| 2456 | }
|
---|
| 2457 | else element.innerHTML = content.stripScripts();
|
---|
| 2458 |
|
---|
| 2459 | content.evalScripts.bind(content).defer();
|
---|
| 2460 | return element;
|
---|
| 2461 | };
|
---|
| 2462 | }
|
---|
| 2463 |
|
---|
| 2464 | if ('outerHTML' in document.createElement('div')) {
|
---|
| 2465 | Element.Methods.replace = function(element, content) {
|
---|
| 2466 | element = $(element);
|
---|
| 2467 |
|
---|
| 2468 | if (content && content.toElement) content = content.toElement();
|
---|
| 2469 | if (Object.isElement(content)) {
|
---|
| 2470 | element.parentNode.replaceChild(content, element);
|
---|
| 2471 | return element;
|
---|
| 2472 | }
|
---|
| 2473 |
|
---|
| 2474 | content = Object.toHTML(content);
|
---|
| 2475 | var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
|
---|
| 2476 |
|
---|
| 2477 | if (Element._insertionTranslations.tags[tagName]) {
|
---|
| 2478 | var nextSibling = element.next();
|
---|
| 2479 | var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
|
---|
| 2480 | parent.removeChild(element);
|
---|
| 2481 | if (nextSibling)
|
---|
| 2482 | fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
|
---|
| 2483 | else
|
---|
| 2484 | fragments.each(function(node) { parent.appendChild(node) });
|
---|
| 2485 | }
|
---|
| 2486 | else element.outerHTML = content.stripScripts();
|
---|
| 2487 |
|
---|
| 2488 | content.evalScripts.bind(content).defer();
|
---|
| 2489 | return element;
|
---|
| 2490 | };
|
---|
| 2491 | }
|
---|
| 2492 |
|
---|
| 2493 | Element._returnOffset = function(l, t) {
|
---|
| 2494 | var result = [l, t];
|
---|
| 2495 | result.left = l;
|
---|
| 2496 | result.top = t;
|
---|
| 2497 | return result;
|
---|
| 2498 | };
|
---|
| 2499 |
|
---|
| 2500 | Element._getContentFromAnonymousElement = function(tagName, html) {
|
---|
| 2501 | var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
|
---|
| 2502 | if (t) {
|
---|
| 2503 | div.innerHTML = t[0] + html + t[1];
|
---|
| 2504 | t[2].times(function() { div = div.firstChild });
|
---|
| 2505 | } else div.innerHTML = html;
|
---|
| 2506 | return $A(div.childNodes);
|
---|
| 2507 | };
|
---|
| 2508 |
|
---|
| 2509 | Element._insertionTranslations = {
|
---|
| 2510 | before: function(element, node) {
|
---|
| 2511 | element.parentNode.insertBefore(node, element);
|
---|
| 2512 | },
|
---|
| 2513 | top: function(element, node) {
|
---|
| 2514 | element.insertBefore(node, element.firstChild);
|
---|
| 2515 | },
|
---|
| 2516 | bottom: function(element, node) {
|
---|
| 2517 | element.appendChild(node);
|
---|
| 2518 | },
|
---|
| 2519 | after: function(element, node) {
|
---|
| 2520 | element.parentNode.insertBefore(node, element.nextSibling);
|
---|
| 2521 | },
|
---|
| 2522 | tags: {
|
---|
| 2523 | TABLE: ['<table>', '</table>', 1],
|
---|
| 2524 | TBODY: ['<table><tbody>', '</tbody></table>', 2],
|
---|
| 2525 | TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
|
---|
| 2526 | TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
|
---|
| 2527 | SELECT: ['<select>', '</select>', 1]
|
---|
| 2528 | }
|
---|
| 2529 | };
|
---|
| 2530 |
|
---|
| 2531 | (function() {
|
---|
| 2532 | Object.extend(this.tags, {
|
---|
| 2533 | THEAD: this.tags.TBODY,
|
---|
| 2534 | TFOOT: this.tags.TBODY,
|
---|
| 2535 | TH: this.tags.TD
|
---|
| 2536 | });
|
---|
| 2537 | }).call(Element._insertionTranslations);
|
---|
| 2538 |
|
---|
| 2539 | Element.Methods.Simulated = {
|
---|
| 2540 | hasAttribute: function(element, attribute) {
|
---|
| 2541 | attribute = Element._attributeTranslations.has[attribute] || attribute;
|
---|
| 2542 | var node = $(element).getAttributeNode(attribute);
|
---|
| 2543 | return !!(node && node.specified);
|
---|
| 2544 | }
|
---|
| 2545 | };
|
---|
| 2546 |
|
---|
| 2547 | Element.Methods.ByTag = { };
|
---|
| 2548 |
|
---|
| 2549 | Object.extend(Element, Element.Methods);
|
---|
| 2550 |
|
---|
| 2551 | if (!Prototype.BrowserFeatures.ElementExtensions &&
|
---|
| 2552 | document.createElement('div')['__proto__']) {
|
---|
| 2553 | window.HTMLElement = { };
|
---|
| 2554 | window.HTMLElement.prototype = document.createElement('div')['__proto__'];
|
---|
| 2555 | Prototype.BrowserFeatures.ElementExtensions = true;
|
---|
| 2556 | }
|
---|
| 2557 |
|
---|
| 2558 | Element.extend = (function() {
|
---|
| 2559 | if (Prototype.BrowserFeatures.SpecificElementExtensions)
|
---|
| 2560 | return Prototype.K;
|
---|
| 2561 |
|
---|
| 2562 | var Methods = { }, ByTag = Element.Methods.ByTag;
|
---|
| 2563 |
|
---|
| 2564 | var extend = Object.extend(function(element) {
|
---|
| 2565 | if (!element || element._extendedByPrototype ||
|
---|
| 2566 | element.nodeType != 1 || element == window) return element;
|
---|
| 2567 |
|
---|
| 2568 | var methods = Object.clone(Methods),
|
---|
| 2569 | tagName = element.tagName.toUpperCase(), property, value;
|
---|
| 2570 |
|
---|
| 2571 | // extend methods for specific tags
|
---|
| 2572 | if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
|
---|
| 2573 |
|
---|
| 2574 | for (property in methods) {
|
---|
| 2575 | value = methods[property];
|
---|
| 2576 | if (Object.isFunction(value) && !(property in element))
|
---|
| 2577 | element[property] = value.methodize();
|
---|
| 2578 | }
|
---|
| 2579 |
|
---|
| 2580 | element._extendedByPrototype = Prototype.emptyFunction;
|
---|
| 2581 | return element;
|
---|
| 2582 |
|
---|
| 2583 | }, {
|
---|
| 2584 | refresh: function() {
|
---|
| 2585 | // extend methods for all tags (Safari doesn't need this)
|
---|
| 2586 | if (!Prototype.BrowserFeatures.ElementExtensions) {
|
---|
| 2587 | Object.extend(Methods, Element.Methods);
|
---|
| 2588 | Object.extend(Methods, Element.Methods.Simulated);
|
---|
| 2589 | }
|
---|
| 2590 | }
|
---|
| 2591 | });
|
---|
| 2592 |
|
---|
| 2593 | extend.refresh();
|
---|
| 2594 | return extend;
|
---|
| 2595 | })();
|
---|
| 2596 |
|
---|
| 2597 | Element.hasAttribute = function(element, attribute) {
|
---|
| 2598 | if (element.hasAttribute) return element.hasAttribute(attribute);
|
---|
| 2599 | return Element.Methods.Simulated.hasAttribute(element, attribute);
|
---|
| 2600 | };
|
---|
| 2601 |
|
---|
| 2602 | Element.addMethods = function(methods) {
|
---|
| 2603 | var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
|
---|
| 2604 |
|
---|
| 2605 | if (!methods) {
|
---|
| 2606 | Object.extend(Form, Form.Methods);
|
---|
| 2607 | Object.extend(Form.Element, Form.Element.Methods);
|
---|
| 2608 | Object.extend(Element.Methods.ByTag, {
|
---|
| 2609 | "FORM": Object.clone(Form.Methods),
|
---|
| 2610 | "INPUT": Object.clone(Form.Element.Methods),
|
---|
| 2611 | "SELECT": Object.clone(Form.Element.Methods),
|
---|
| 2612 | "TEXTAREA": Object.clone(Form.Element.Methods)
|
---|
| 2613 | });
|
---|
| 2614 | }
|
---|
| 2615 |
|
---|
| 2616 | if (arguments.length == 2) {
|
---|
| 2617 | var tagName = methods;
|
---|
| 2618 | methods = arguments[1];
|
---|
| 2619 | }
|
---|
| 2620 |
|
---|
| 2621 | if (!tagName) Object.extend(Element.Methods, methods || { });
|
---|
| 2622 | else {
|
---|
| 2623 | if (Object.isArray(tagName)) tagName.each(extend);
|
---|
| 2624 | else extend(tagName);
|
---|
| 2625 | }
|
---|
| 2626 |
|
---|
| 2627 | function extend(tagName) {
|
---|
| 2628 | tagName = tagName.toUpperCase();
|
---|
| 2629 | if (!Element.Methods.ByTag[tagName])
|
---|
| 2630 | Element.Methods.ByTag[tagName] = { };
|
---|
| 2631 | Object.extend(Element.Methods.ByTag[tagName], methods);
|
---|
| 2632 | }
|
---|
| 2633 |
|
---|
| 2634 | function copy(methods, destination, onlyIfAbsent) {
|
---|
| 2635 | onlyIfAbsent = onlyIfAbsent || false;
|
---|
| 2636 | for (var property in methods) {
|
---|
| 2637 | var value = methods[property];
|
---|
| 2638 | if (!Object.isFunction(value)) continue;
|
---|
| 2639 | if (!onlyIfAbsent || !(property in destination))
|
---|
| 2640 | destination[property] = value.methodize();
|
---|
| 2641 | }
|
---|
| 2642 | }
|
---|
| 2643 |
|
---|
| 2644 | function findDOMClass(tagName) {
|
---|
| 2645 | var klass;
|
---|
| 2646 | var trans = {
|
---|
| 2647 | "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
|
---|
| 2648 | "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
|
---|
| 2649 | "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
|
---|
| 2650 | "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
|
---|
| 2651 | "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
|
---|
| 2652 | "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
|
---|
| 2653 | "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
|
---|
| 2654 | "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
|
---|
| 2655 | "FrameSet", "IFRAME": "IFrame"
|
---|
| 2656 | };
|
---|
| 2657 | if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
|
---|
| 2658 | if (window[klass]) return window[klass];
|
---|
| 2659 | klass = 'HTML' + tagName + 'Element';
|
---|
| 2660 | if (window[klass]) return window[klass];
|
---|
| 2661 | klass = 'HTML' + tagName.capitalize() + 'Element';
|
---|
| 2662 | if (window[klass]) return window[klass];
|
---|
| 2663 |
|
---|
| 2664 | window[klass] = { };
|
---|
| 2665 | window[klass].prototype = document.createElement(tagName)['__proto__'];
|
---|
| 2666 | return window[klass];
|
---|
| 2667 | }
|
---|
| 2668 |
|
---|
| 2669 | if (F.ElementExtensions) {
|
---|
| 2670 | copy(Element.Methods, HTMLElement.prototype);
|
---|
| 2671 | copy(Element.Methods.Simulated, HTMLElement.prototype, true);
|
---|
| 2672 | }
|
---|
| 2673 |
|
---|
| 2674 | if (F.SpecificElementExtensions) {
|
---|
| 2675 | for (var tag in Element.Methods.ByTag) {
|
---|
| 2676 | var klass = findDOMClass(tag);
|
---|
| 2677 | if (Object.isUndefined(klass)) continue;
|
---|
| 2678 | copy(T[tag], klass.prototype);
|
---|
| 2679 | }
|
---|
| 2680 | }
|
---|
| 2681 |
|
---|
| 2682 | Object.extend(Element, Element.Methods);
|
---|
| 2683 | delete Element.ByTag;
|
---|
| 2684 |
|
---|
| 2685 | if (Element.extend.refresh) Element.extend.refresh();
|
---|
| 2686 | Element.cache = { };
|
---|
| 2687 | };
|
---|
| 2688 |
|
---|
| 2689 | document.viewport = {
|
---|
| 2690 | getDimensions: function() {
|
---|
| 2691 | var dimensions = { }, B = Prototype.Browser;
|
---|
| 2692 | $w('width height').each(function(d) {
|
---|
| 2693 | var D = d.capitalize();
|
---|
| 2694 | if (B.WebKit && !document.evaluate) {
|
---|
| 2695 | // Safari <3.0 needs self.innerWidth/Height
|
---|
| 2696 | dimensions[d] = self['inner' + D];
|
---|
| 2697 | } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) {
|
---|
| 2698 | // Opera <9.5 needs document.body.clientWidth/Height
|
---|
| 2699 | dimensions[d] = document.body['client' + D]
|
---|
| 2700 | } else {
|
---|
| 2701 | dimensions[d] = document.documentElement['client' + D];
|
---|
| 2702 | }
|
---|
| 2703 | });
|
---|
| 2704 | return dimensions;
|
---|
| 2705 | },
|
---|
| 2706 |
|
---|
| 2707 | getWidth: function() {
|
---|
| 2708 | return this.getDimensions().width;
|
---|
| 2709 | },
|
---|
| 2710 |
|
---|
| 2711 | getHeight: function() {
|
---|
| 2712 | return this.getDimensions().height;
|
---|
| 2713 | },
|
---|
| 2714 |
|
---|
| 2715 | getScrollOffsets: function() {
|
---|
| 2716 | return Element._returnOffset(
|
---|
| 2717 | window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
|
---|
| 2718 | window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
|
---|
| 2719 | }
|
---|
| 2720 | };
|
---|
| 2721 | /* Portions of the Selector class are derived from Jack Slocum's DomQuery,
|
---|
| 2722 | * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
|
---|
| 2723 | * license. Please see http://www.yui-ext.com/ for more information. */
|
---|
| 2724 |
|
---|
| 2725 | var Selector = Class.create({
|
---|
| 2726 | initialize: function(expression) {
|
---|
| 2727 | this.expression = expression.strip();
|
---|
| 2728 |
|
---|
| 2729 | if (this.shouldUseSelectorsAPI()) {
|
---|
| 2730 | this.mode = 'selectorsAPI';
|
---|
| 2731 | } else if (this.shouldUseXPath()) {
|
---|
| 2732 | this.mode = 'xpath';
|
---|
| 2733 | this.compileXPathMatcher();
|
---|
| 2734 | } else {
|
---|
| 2735 | this.mode = "normal";
|
---|
| 2736 | this.compileMatcher();
|
---|
| 2737 | }
|
---|
| 2738 |
|
---|
| 2739 | },
|
---|
| 2740 |
|
---|
| 2741 | shouldUseXPath: function() {
|
---|
| 2742 | if (!Prototype.BrowserFeatures.XPath) return false;
|
---|
| 2743 |
|
---|
| 2744 | var e = this.expression;
|
---|
| 2745 |
|
---|
| 2746 | // Safari 3 chokes on :*-of-type and :empty
|
---|
| 2747 | if (Prototype.Browser.WebKit &&
|
---|
| 2748 | (e.include("-of-type") || e.include(":empty")))
|
---|
| 2749 | return false;
|
---|
| 2750 |
|
---|
| 2751 | // XPath can't do namespaced attributes, nor can it read
|
---|
| 2752 | // the "checked" property from DOM nodes
|
---|
| 2753 | if ((/(\[[\w-]*?:|:checked)/).test(e))
|
---|
| 2754 | return false;
|
---|
| 2755 |
|
---|
| 2756 | return true;
|
---|
| 2757 | },
|
---|
| 2758 |
|
---|
| 2759 | shouldUseSelectorsAPI: function() {
|
---|
| 2760 | if (!Prototype.BrowserFeatures.SelectorsAPI) return false;
|
---|
| 2761 |
|
---|
| 2762 | if (!Selector._div) Selector._div = new Element('div');
|
---|
| 2763 |
|
---|
| 2764 | // Make sure the browser treats the selector as valid. Test on an
|
---|
| 2765 | // isolated element to minimize cost of this check.
|
---|
| 2766 | try {
|
---|
| 2767 | Selector._div.querySelector(this.expression);
|
---|
| 2768 | } catch(e) {
|
---|
| 2769 | return false;
|
---|
| 2770 | }
|
---|
| 2771 |
|
---|
| 2772 | return true;
|
---|
| 2773 | },
|
---|
| 2774 |
|
---|
| 2775 | compileMatcher: function() {
|
---|
| 2776 | var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
|
---|
| 2777 | c = Selector.criteria, le, p, m;
|
---|
| 2778 |
|
---|
| 2779 | if (Selector._cache[e]) {
|
---|
| 2780 | this.matcher = Selector._cache[e];
|
---|
| 2781 | return;
|
---|
| 2782 | }
|
---|
| 2783 |
|
---|
| 2784 | this.matcher = ["this.matcher = function(root) {",
|
---|
| 2785 | "var r = root, h = Selector.handlers, c = false, n;"];
|
---|
| 2786 |
|
---|
| 2787 | while (e && le != e && (/\S/).test(e)) {
|
---|
| 2788 | le = e;
|
---|
| 2789 | for (var i in ps) {
|
---|
| 2790 | p = ps[i];
|
---|
| 2791 | if (m = e.match(p)) {
|
---|
| 2792 | this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
|
---|
| 2793 | new Template(c[i]).evaluate(m));
|
---|
| 2794 | e = e.replace(m[0], '');
|
---|
| 2795 | break;
|
---|
| 2796 | }
|
---|
| 2797 | }
|
---|
| 2798 | }
|
---|
| 2799 |
|
---|
| 2800 | this.matcher.push("return h.unique(n);\n}");
|
---|
| 2801 | eval(this.matcher.join('\n'));
|
---|
| 2802 | Selector._cache[this.expression] = this.matcher;
|
---|
| 2803 | },
|
---|
| 2804 |
|
---|
| 2805 | compileXPathMatcher: function() {
|
---|
| 2806 | var e = this.expression, ps = Selector.patterns,
|
---|
| 2807 | x = Selector.xpath, le, m;
|
---|
| 2808 |
|
---|
| 2809 | if (Selector._cache[e]) {
|
---|
| 2810 | this.xpath = Selector._cache[e]; return;
|
---|
| 2811 | }
|
---|
| 2812 |
|
---|
| 2813 | this.matcher = ['.//*'];
|
---|
| 2814 | while (e && le != e && (/\S/).test(e)) {
|
---|
| 2815 | le = e;
|
---|
| 2816 | for (var i in ps) {
|
---|
| 2817 | if (m = e.match(ps[i])) {
|
---|
| 2818 | this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
|
---|
| 2819 | new Template(x[i]).evaluate(m));
|
---|
| 2820 | e = e.replace(m[0], '');
|
---|
| 2821 | break;
|
---|
| 2822 | }
|
---|
| 2823 | }
|
---|
| 2824 | }
|
---|
| 2825 |
|
---|
| 2826 | this.xpath = this.matcher.join('');
|
---|
| 2827 | Selector._cache[this.expression] = this.xpath;
|
---|
| 2828 | },
|
---|
| 2829 |
|
---|
| 2830 | findElements: function(root) {
|
---|
| 2831 | root = root || document;
|
---|
| 2832 | var e = this.expression, results;
|
---|
| 2833 |
|
---|
| 2834 | switch (this.mode) {
|
---|
| 2835 | case 'selectorsAPI':
|
---|
| 2836 | // querySelectorAll queries document-wide, then filters to descendants
|
---|
| 2837 | // of the context element. That's not what we want.
|
---|
| 2838 | // Add an explicit context to the selector if necessary.
|
---|
| 2839 | if (root !== document) {
|
---|
| 2840 | var oldId = root.id, id = $(root).identify();
|
---|
| 2841 | e = "#" + id + " " + e;
|
---|
| 2842 | }
|
---|
| 2843 |
|
---|
| 2844 | results = $A(root.querySelectorAll(e)).map(Element.extend);
|
---|
| 2845 | root.id = oldId;
|
---|
| 2846 |
|
---|
| 2847 | return results;
|
---|
| 2848 | case 'xpath':
|
---|
| 2849 | return document._getElementsByXPath(this.xpath, root);
|
---|
| 2850 | default:
|
---|
| 2851 | return this.matcher(root);
|
---|
| 2852 | }
|
---|
| 2853 | },
|
---|
| 2854 |
|
---|
| 2855 | match: function(element) {
|
---|
| 2856 | this.tokens = [];
|
---|
| 2857 |
|
---|
| 2858 | var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
|
---|
| 2859 | var le, p, m;
|
---|
| 2860 |
|
---|
| 2861 | while (e && le !== e && (/\S/).test(e)) {
|
---|
| 2862 | le = e;
|
---|
| 2863 | for (var i in ps) {
|
---|
| 2864 | p = ps[i];
|
---|
| 2865 | if (m = e.match(p)) {
|
---|
| 2866 | // use the Selector.assertions methods unless the selector
|
---|
| 2867 | // is too complex.
|
---|
| 2868 | if (as[i]) {
|
---|
| 2869 | this.tokens.push([i, Object.clone(m)]);
|
---|
| 2870 | e = e.replace(m[0], '');
|
---|
| 2871 | } else {
|
---|
| 2872 | // reluctantly do a document-wide search
|
---|
| 2873 | // and look for a match in the array
|
---|
| 2874 | return this.findElements(document).include(element);
|
---|
| 2875 | }
|
---|
| 2876 | }
|
---|
| 2877 | }
|
---|
| 2878 | }
|
---|
| 2879 |
|
---|
| 2880 | var match = true, name, matches;
|
---|
| 2881 | for (var i = 0, token; token = this.tokens[i]; i++) {
|
---|
| 2882 | name = token[0], matches = token[1];
|
---|
| 2883 | if (!Selector.assertions[name](element, matches)) {
|
---|
| 2884 | match = false; break;
|
---|
| 2885 | }
|
---|
| 2886 | }
|
---|
| 2887 |
|
---|
| 2888 | return match;
|
---|
| 2889 | },
|
---|
| 2890 |
|
---|
| 2891 | toString: function() {
|
---|
| 2892 | return this.expression;
|
---|
| 2893 | },
|
---|
| 2894 |
|
---|
| 2895 | inspect: function() {
|
---|
| 2896 | return "#<Selector:" + this.expression.inspect() + ">";
|
---|
| 2897 | }
|
---|
| 2898 | });
|
---|
| 2899 |
|
---|
| 2900 | Object.extend(Selector, {
|
---|
| 2901 | _cache: { },
|
---|
| 2902 |
|
---|
| 2903 | xpath: {
|
---|
| 2904 | descendant: "//*",
|
---|
| 2905 | child: "/*",
|
---|
| 2906 | adjacent: "/following-sibling::*[1]",
|
---|
| 2907 | laterSibling: '/following-sibling::*',
|
---|
| 2908 | tagName: function(m) {
|
---|
| 2909 | if (m[1] == '*') return '';
|
---|
| 2910 | return "[local-name()='" + m[1].toLowerCase() +
|
---|
| 2911 | "' or local-name()='" + m[1].toUpperCase() + "']";
|
---|
| 2912 | },
|
---|
| 2913 | className: "[contains(concat(' ', @class, ' '), ' #{1} ')]",
|
---|
| 2914 | id: "[@id='#{1}']",
|
---|
| 2915 | attrPresence: function(m) {
|
---|
| 2916 | m[1] = m[1].toLowerCase();
|
---|
| 2917 | return new Template("[@#{1}]").evaluate(m);
|
---|
| 2918 | },
|
---|
| 2919 | attr: function(m) {
|
---|
| 2920 | m[1] = m[1].toLowerCase();
|
---|
| 2921 | m[3] = m[5] || m[6];
|
---|
| 2922 | return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
|
---|
| 2923 | },
|
---|
| 2924 | pseudo: function(m) {
|
---|
| 2925 | var h = Selector.xpath.pseudos[m[1]];
|
---|
| 2926 | if (!h) return '';
|
---|
| 2927 | if (Object.isFunction(h)) return h(m);
|
---|
| 2928 | return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
|
---|
| 2929 | },
|
---|
| 2930 | operators: {
|
---|
| 2931 | '=': "[@#{1}='#{3}']",
|
---|
| 2932 | '!=': "[@#{1}!='#{3}']",
|
---|
| 2933 | '^=': "[starts-with(@#{1}, '#{3}')]",
|
---|
| 2934 | '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
|
---|
| 2935 | '*=': "[contains(@#{1}, '#{3}')]",
|
---|
| 2936 | '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
|
---|
| 2937 | '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
|
---|
| 2938 | },
|
---|
| 2939 | pseudos: {
|
---|
| 2940 | 'first-child': '[not(preceding-sibling::*)]',
|
---|
| 2941 | 'last-child': '[not(following-sibling::*)]',
|
---|
| 2942 | 'only-child': '[not(preceding-sibling::* or following-sibling::*)]',
|
---|
| 2943 | 'empty': "[count(*) = 0 and (count(text()) = 0)]",
|
---|
| 2944 | 'checked': "[@checked]",
|
---|
| 2945 | 'disabled': "[(@disabled) and (@type!='hidden')]",
|
---|
| 2946 | 'enabled': "[not(@disabled) and (@type!='hidden')]",
|
---|
| 2947 | 'not': function(m) {
|
---|
| 2948 | var e = m[6], p = Selector.patterns,
|
---|
| 2949 | x = Selector.xpath, le, v;
|
---|
| 2950 |
|
---|
| 2951 | var exclusion = [];
|
---|
| 2952 | while (e && le != e && (/\S/).test(e)) {
|
---|
| 2953 | le = e;
|
---|
| 2954 | for (var i in p) {
|
---|
| 2955 | if (m = e.match(p[i])) {
|
---|
| 2956 | v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
|
---|
| 2957 | exclusion.push("(" + v.substring(1, v.length - 1) + ")");
|
---|
| 2958 | e = e.replace(m[0], '');
|
---|
| 2959 | break;
|
---|
| 2960 | }
|
---|
| 2961 | }
|
---|
| 2962 | }
|
---|
| 2963 | return "[not(" + exclusion.join(" and ") + ")]";
|
---|
| 2964 | },
|
---|
| 2965 | 'nth-child': function(m) {
|
---|
| 2966 | return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
|
---|
| 2967 | },
|
---|
| 2968 | 'nth-last-child': function(m) {
|
---|
| 2969 | return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
|
---|
| 2970 | },
|
---|
| 2971 | 'nth-of-type': function(m) {
|
---|
| 2972 | return Selector.xpath.pseudos.nth("position() ", m);
|
---|
| 2973 | },
|
---|
| 2974 | 'nth-last-of-type': function(m) {
|
---|
| 2975 | return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
|
---|
| 2976 | },
|
---|
| 2977 | 'first-of-type': function(m) {
|
---|
| 2978 | m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
|
---|
| 2979 | },
|
---|
| 2980 | 'last-of-type': function(m) {
|
---|
| 2981 | m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
|
---|
| 2982 | },
|
---|
| 2983 | 'only-of-type': function(m) {
|
---|
| 2984 | var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
|
---|
| 2985 | },
|
---|
| 2986 | nth: function(fragment, m) {
|
---|
| 2987 | var mm, formula = m[6], predicate;
|
---|
| 2988 | if (formula == 'even') formula = '2n+0';
|
---|
| 2989 | if (formula == 'odd') formula = '2n+1';
|
---|
| 2990 | if (mm = formula.match(/^(\d+)$/)) // digit only
|
---|
| 2991 | return '[' + fragment + "= " + mm[1] + ']';
|
---|
| 2992 | if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
|
---|
| 2993 | if (mm[1] == "-") mm[1] = -1;
|
---|
| 2994 | var a = mm[1] ? Number(mm[1]) : 1;
|
---|
| 2995 | var b = mm[2] ? Number(mm[2]) : 0;
|
---|
| 2996 | predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
|
---|
| 2997 | "((#{fragment} - #{b}) div #{a} >= 0)]";
|
---|
| 2998 | return new Template(predicate).evaluate({
|
---|
| 2999 | fragment: fragment, a: a, b: b });
|
---|
| 3000 | }
|
---|
| 3001 | }
|
---|
| 3002 | }
|
---|
| 3003 | },
|
---|
| 3004 |
|
---|
| 3005 | criteria: {
|
---|
| 3006 | tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;',
|
---|
| 3007 | className: 'n = h.className(n, r, "#{1}", c); c = false;',
|
---|
| 3008 | id: 'n = h.id(n, r, "#{1}", c); c = false;',
|
---|
| 3009 | attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
|
---|
| 3010 | attr: function(m) {
|
---|
| 3011 | m[3] = (m[5] || m[6]);
|
---|
| 3012 | return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
|
---|
| 3013 | },
|
---|
| 3014 | pseudo: function(m) {
|
---|
| 3015 | if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
|
---|
| 3016 | return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
|
---|
| 3017 | },
|
---|
| 3018 | descendant: 'c = "descendant";',
|
---|
| 3019 | child: 'c = "child";',
|
---|
| 3020 | adjacent: 'c = "adjacent";',
|
---|
| 3021 | laterSibling: 'c = "laterSibling";'
|
---|
| 3022 | },
|
---|
| 3023 |
|
---|
| 3024 | patterns: {
|
---|
| 3025 | // combinators must be listed first
|
---|
| 3026 | // (and descendant needs to be last combinator)
|
---|
| 3027 | laterSibling: /^\s*~\s*/,
|
---|
| 3028 | child: /^\s*>\s*/,
|
---|
| 3029 | adjacent: /^\s*\+\s*/,
|
---|
| 3030 | descendant: /^\s/,
|
---|
| 3031 |
|
---|
| 3032 | // selectors follow
|
---|
| 3033 | tagName: /^\s*(\*|[\w\-]+)(\b|$)?/,
|
---|
| 3034 | id: /^#([\w\-\*]+)(\b|$)/,
|
---|
| 3035 | className: /^\.([\w\-\*]+)(\b|$)/,
|
---|
| 3036 | pseudo:
|
---|
| 3037 | /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
|
---|
| 3038 | attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
|
---|
| 3039 | attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
|
---|
| 3040 | },
|
---|
| 3041 |
|
---|
| 3042 | // for Selector.match and Element#match
|
---|
| 3043 | assertions: {
|
---|
| 3044 | tagName: function(element, matches) {
|
---|
| 3045 | return matches[1].toUpperCase() == element.tagName.toUpperCase();
|
---|
| 3046 | },
|
---|
| 3047 |
|
---|
| 3048 | className: function(element, matches) {
|
---|
| 3049 | return Element.hasClassName(element, matches[1]);
|
---|
| 3050 | },
|
---|
| 3051 |
|
---|
| 3052 | id: function(element, matches) {
|
---|
| 3053 | return element.id === matches[1];
|
---|
| 3054 | },
|
---|
| 3055 |
|
---|
| 3056 | attrPresence: function(element, matches) {
|
---|
| 3057 | return Element.hasAttribute(element, matches[1]);
|
---|
| 3058 | },
|
---|
| 3059 |
|
---|
| 3060 | attr: function(element, matches) {
|
---|
| 3061 | var nodeValue = Element.readAttribute(element, matches[1]);
|
---|
| 3062 | return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
|
---|
| 3063 | }
|
---|
| 3064 | },
|
---|
| 3065 |
|
---|
| 3066 | handlers: {
|
---|
| 3067 | // UTILITY FUNCTIONS
|
---|
| 3068 | // joins two collections
|
---|
| 3069 | concat: function(a, b) {
|
---|
| 3070 | for (var i = 0, node; node = b[i]; i++)
|
---|
| 3071 | a.push(node);
|
---|
| 3072 | return a;
|
---|
| 3073 | },
|
---|
| 3074 |
|
---|
| 3075 | // marks an array of nodes for counting
|
---|
| 3076 | mark: function(nodes) {
|
---|
| 3077 | var _true = Prototype.emptyFunction;
|
---|
| 3078 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
| 3079 | node._countedByPrototype = _true;
|
---|
| 3080 | return nodes;
|
---|
| 3081 | },
|
---|
| 3082 |
|
---|
| 3083 | unmark: function(nodes) {
|
---|
| 3084 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
| 3085 | node._countedByPrototype = undefined;
|
---|
| 3086 | return nodes;
|
---|
| 3087 | },
|
---|
| 3088 |
|
---|
| 3089 | // mark each child node with its position (for nth calls)
|
---|
| 3090 | // "ofType" flag indicates whether we're indexing for nth-of-type
|
---|
| 3091 | // rather than nth-child
|
---|
| 3092 | index: function(parentNode, reverse, ofType) {
|
---|
| 3093 | parentNode._countedByPrototype = Prototype.emptyFunction;
|
---|
| 3094 | if (reverse) {
|
---|
| 3095 | for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
|
---|
| 3096 | var node = nodes[i];
|
---|
| 3097 | if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
|
---|
| 3098 | }
|
---|
| 3099 | } else {
|
---|
| 3100 | for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
|
---|
| 3101 | if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
|
---|
| 3102 | }
|
---|
| 3103 | },
|
---|
| 3104 |
|
---|
| 3105 | // filters out duplicates and extends all nodes
|
---|
| 3106 | unique: function(nodes) {
|
---|
| 3107 | if (nodes.length == 0) return nodes;
|
---|
| 3108 | var results = [], n;
|
---|
| 3109 | for (var i = 0, l = nodes.length; i < l; i++)
|
---|
| 3110 | if (!(n = nodes[i])._countedByPrototype) {
|
---|
| 3111 | n._countedByPrototype = Prototype.emptyFunction;
|
---|
| 3112 | results.push(Element.extend(n));
|
---|
| 3113 | }
|
---|
| 3114 | return Selector.handlers.unmark(results);
|
---|
| 3115 | },
|
---|
| 3116 |
|
---|
| 3117 | // COMBINATOR FUNCTIONS
|
---|
| 3118 | descendant: function(nodes) {
|
---|
| 3119 | var h = Selector.handlers;
|
---|
| 3120 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
| 3121 | h.concat(results, node.getElementsByTagName('*'));
|
---|
| 3122 | return results;
|
---|
| 3123 | },
|
---|
| 3124 |
|
---|
| 3125 | child: function(nodes) {
|
---|
| 3126 | var h = Selector.handlers;
|
---|
| 3127 | for (var i = 0, results = [], node; node = nodes[i]; i++) {
|
---|
| 3128 | for (var j = 0, child; child = node.childNodes[j]; j++)
|
---|
| 3129 | if (child.nodeType == 1 && child.tagName != '!') results.push(child);
|
---|
| 3130 | }
|
---|
| 3131 | return results;
|
---|
| 3132 | },
|
---|
| 3133 |
|
---|
| 3134 | adjacent: function(nodes) {
|
---|
| 3135 | for (var i = 0, results = [], node; node = nodes[i]; i++) {
|
---|
| 3136 | var next = this.nextElementSibling(node);
|
---|
| 3137 | if (next) results.push(next);
|
---|
| 3138 | }
|
---|
| 3139 | return results;
|
---|
| 3140 | },
|
---|
| 3141 |
|
---|
| 3142 | laterSibling: function(nodes) {
|
---|
| 3143 | var h = Selector.handlers;
|
---|
| 3144 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
| 3145 | h.concat(results, Element.nextSiblings(node));
|
---|
| 3146 | return results;
|
---|
| 3147 | },
|
---|
| 3148 |
|
---|
| 3149 | nextElementSibling: function(node) {
|
---|
| 3150 | while (node = node.nextSibling)
|
---|
| 3151 | if (node.nodeType == 1) return node;
|
---|
| 3152 | return null;
|
---|
| 3153 | },
|
---|
| 3154 |
|
---|
| 3155 | previousElementSibling: function(node) {
|
---|
| 3156 | while (node = node.previousSibling)
|
---|
| 3157 | if (node.nodeType == 1) return node;
|
---|
| 3158 | return null;
|
---|
| 3159 | },
|
---|
| 3160 |
|
---|
| 3161 | // TOKEN FUNCTIONS
|
---|
| 3162 | tagName: function(nodes, root, tagName, combinator) {
|
---|
| 3163 | var uTagName = tagName.toUpperCase();
|
---|
| 3164 | var results = [], h = Selector.handlers;
|
---|
| 3165 | if (nodes) {
|
---|
| 3166 | if (combinator) {
|
---|
| 3167 | // fastlane for ordinary descendant combinators
|
---|
| 3168 | if (combinator == "descendant") {
|
---|
| 3169 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
| 3170 | h.concat(results, node.getElementsByTagName(tagName));
|
---|
| 3171 | return results;
|
---|
| 3172 | } else nodes = this[combinator](nodes);
|
---|
| 3173 | if (tagName == "*") return nodes;
|
---|
| 3174 | }
|
---|
| 3175 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
| 3176 | if (node.tagName.toUpperCase() === uTagName) results.push(node);
|
---|
| 3177 | return results;
|
---|
| 3178 | } else return root.getElementsByTagName(tagName);
|
---|
| 3179 | },
|
---|
| 3180 |
|
---|
| 3181 | id: function(nodes, root, id, combinator) {
|
---|
| 3182 | var targetNode = $(id), h = Selector.handlers;
|
---|
| 3183 | if (!targetNode) return [];
|
---|
| 3184 | if (!nodes && root == document) return [targetNode];
|
---|
| 3185 | if (nodes) {
|
---|
| 3186 | if (combinator) {
|
---|
| 3187 | if (combinator == 'child') {
|
---|
| 3188 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
| 3189 | if (targetNode.parentNode == node) return [targetNode];
|
---|
| 3190 | } else if (combinator == 'descendant') {
|
---|
| 3191 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
| 3192 | if (Element.descendantOf(targetNode, node)) return [targetNode];
|
---|
| 3193 | } else if (combinator == 'adjacent') {
|
---|
| 3194 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
| 3195 | if (Selector.handlers.previousElementSibling(targetNode) == node)
|
---|
| 3196 | return [targetNode];
|
---|
| 3197 | } else nodes = h[combinator](nodes);
|
---|
| 3198 | }
|
---|
| 3199 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
| 3200 | if (node == targetNode) return [targetNode];
|
---|
| 3201 | return [];
|
---|
| 3202 | }
|
---|
| 3203 | return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
|
---|
| 3204 | },
|
---|
| 3205 |
|
---|
| 3206 | className: function(nodes, root, className, combinator) {
|
---|
| 3207 | if (nodes && combinator) nodes = this[combinator](nodes);
|
---|
| 3208 | return Selector.handlers.byClassName(nodes, root, className);
|
---|
| 3209 | },
|
---|
| 3210 |
|
---|
| 3211 | byClassName: function(nodes, root, className) {
|
---|
| 3212 | if (!nodes) nodes = Selector.handlers.descendant([root]);
|
---|
| 3213 | var needle = ' ' + className + ' ';
|
---|
| 3214 | for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
|
---|
| 3215 | nodeClassName = node.className;
|
---|
| 3216 | if (nodeClassName.length == 0) continue;
|
---|
| 3217 | if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
|
---|
| 3218 | results.push(node);
|
---|
| 3219 | }
|
---|
| 3220 | return results;
|
---|
| 3221 | },
|
---|
| 3222 |
|
---|
| 3223 | attrPresence: function(nodes, root, attr, combinator) {
|
---|
| 3224 | if (!nodes) nodes = root.getElementsByTagName("*");
|
---|
| 3225 | if (nodes && combinator) nodes = this[combinator](nodes);
|
---|
| 3226 | var results = [];
|
---|
| 3227 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
| 3228 | if (Element.hasAttribute(node, attr)) results.push(node);
|
---|
| 3229 | return results;
|
---|
| 3230 | },
|
---|
| 3231 |
|
---|
| 3232 | attr: function(nodes, root, attr, value, operator, combinator) {
|
---|
| 3233 | if (!nodes) nodes = root.getElementsByTagName("*");
|
---|
| 3234 | if (nodes && combinator) nodes = this[combinator](nodes);
|
---|
| 3235 | var handler = Selector.operators[operator], results = [];
|
---|
| 3236 | for (var i = 0, node; node = nodes[i]; i++) {
|
---|
| 3237 | var nodeValue = Element.readAttribute(node, attr);
|
---|
| 3238 | if (nodeValue === null) continue;
|
---|
| 3239 | if (handler(nodeValue, value)) results.push(node);
|
---|
| 3240 | }
|
---|
| 3241 | return results;
|
---|
| 3242 | },
|
---|
| 3243 |
|
---|
| 3244 | pseudo: function(nodes, name, value, root, combinator) {
|
---|
| 3245 | if (nodes && combinator) nodes = this[combinator](nodes);
|
---|
| 3246 | if (!nodes) nodes = root.getElementsByTagName("*");
|
---|
| 3247 | return Selector.pseudos[name](nodes, value, root);
|
---|
| 3248 | }
|
---|
| 3249 | },
|
---|
| 3250 |
|
---|
| 3251 | pseudos: {
|
---|
| 3252 | 'first-child': function(nodes, value, root) {
|
---|
| 3253 | for (var i = 0, results = [], node; node = nodes[i]; i++) {
|
---|
| 3254 | if (Selector.handlers.previousElementSibling(node)) continue;
|
---|
| 3255 | results.push(node);
|
---|
| 3256 | }
|
---|
| 3257 | return results;
|
---|
| 3258 | },
|
---|
| 3259 | 'last-child': function(nodes, value, root) {
|
---|
| 3260 | for (var i = 0, results = [], node; node = nodes[i]; i++) {
|
---|
| 3261 | if (Selector.handlers.nextElementSibling(node)) continue;
|
---|
| 3262 | results.push(node);
|
---|
| 3263 | }
|
---|
| 3264 | return results;
|
---|
| 3265 | },
|
---|
| 3266 | 'only-child': function(nodes, value, root) {
|
---|
| 3267 | var h = Selector.handlers;
|
---|
| 3268 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
| 3269 | if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
|
---|
| 3270 | results.push(node);
|
---|
| 3271 | return results;
|
---|
| 3272 | },
|
---|
| 3273 | 'nth-child': function(nodes, formula, root) {
|
---|
| 3274 | return Selector.pseudos.nth(nodes, formula, root);
|
---|
| 3275 | },
|
---|
| 3276 | 'nth-last-child': function(nodes, formula, root) {
|
---|
| 3277 | return Selector.pseudos.nth(nodes, formula, root, true);
|
---|
| 3278 | },
|
---|
| 3279 | 'nth-of-type': function(nodes, formula, root) {
|
---|
| 3280 | return Selector.pseudos.nth(nodes, formula, root, false, true);
|
---|
| 3281 | },
|
---|
| 3282 | 'nth-last-of-type': function(nodes, formula, root) {
|
---|
| 3283 | return Selector.pseudos.nth(nodes, formula, root, true, true);
|
---|
| 3284 | },
|
---|
| 3285 | 'first-of-type': function(nodes, formula, root) {
|
---|
| 3286 | return Selector.pseudos.nth(nodes, "1", root, false, true);
|
---|
| 3287 | },
|
---|
| 3288 | 'last-of-type': function(nodes, formula, root) {
|
---|
| 3289 | return Selector.pseudos.nth(nodes, "1", root, true, true);
|
---|
| 3290 | },
|
---|
| 3291 | 'only-of-type': function(nodes, formula, root) {
|
---|
| 3292 | var p = Selector.pseudos;
|
---|
| 3293 | return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
|
---|
| 3294 | },
|
---|
| 3295 |
|
---|
| 3296 | // handles the an+b logic
|
---|
| 3297 | getIndices: function(a, b, total) {
|
---|
| 3298 | if (a == 0) return b > 0 ? [b] : [];
|
---|
| 3299 | return $R(1, total).inject([], function(memo, i) {
|
---|
| 3300 | if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
|
---|
| 3301 | return memo;
|
---|
| 3302 | });
|
---|
| 3303 | },
|
---|
| 3304 |
|
---|
| 3305 | // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
|
---|
| 3306 | nth: function(nodes, formula, root, reverse, ofType) {
|
---|
| 3307 | if (nodes.length == 0) return [];
|
---|
| 3308 | if (formula == 'even') formula = '2n+0';
|
---|
| 3309 | if (formula == 'odd') formula = '2n+1';
|
---|
| 3310 | var h = Selector.handlers, results = [], indexed = [], m;
|
---|
| 3311 | h.mark(nodes);
|
---|
| 3312 | for (var i = 0, node; node = nodes[i]; i++) {
|
---|
| 3313 | if (!node.parentNode._countedByPrototype) {
|
---|
| 3314 | h.index(node.parentNode, reverse, ofType);
|
---|
| 3315 | indexed.push(node.parentNode);
|
---|
| 3316 | }
|
---|
| 3317 | }
|
---|
| 3318 | if (formula.match(/^\d+$/)) { // just a number
|
---|
| 3319 | formula = Number(formula);
|
---|
| 3320 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
| 3321 | if (node.nodeIndex == formula) results.push(node);
|
---|
| 3322 | } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
|
---|
| 3323 | if (m[1] == "-") m[1] = -1;
|
---|
| 3324 | var a = m[1] ? Number(m[1]) : 1;
|
---|
| 3325 | var b = m[2] ? Number(m[2]) : 0;
|
---|
| 3326 | var indices = Selector.pseudos.getIndices(a, b, nodes.length);
|
---|
| 3327 | for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
|
---|
| 3328 | for (var j = 0; j < l; j++)
|
---|
| 3329 | if (node.nodeIndex == indices[j]) results.push(node);
|
---|
| 3330 | }
|
---|
| 3331 | }
|
---|
| 3332 | h.unmark(nodes);
|
---|
| 3333 | h.unmark(indexed);
|
---|
| 3334 | return results;
|
---|
| 3335 | },
|
---|
| 3336 |
|
---|
| 3337 | 'empty': function(nodes, value, root) {
|
---|
| 3338 | for (var i = 0, results = [], node; node = nodes[i]; i++) {
|
---|
| 3339 | // IE treats comments as element nodes
|
---|
| 3340 | if (node.tagName == '!' || node.firstChild) continue;
|
---|
| 3341 | results.push(node);
|
---|
| 3342 | }
|
---|
| 3343 | return results;
|
---|
| 3344 | },
|
---|
| 3345 |
|
---|
| 3346 | 'not': function(nodes, selector, root) {
|
---|
| 3347 | var h = Selector.handlers, selectorType, m;
|
---|
| 3348 | var exclusions = new Selector(selector).findElements(root);
|
---|
| 3349 | h.mark(exclusions);
|
---|
| 3350 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
| 3351 | if (!node._countedByPrototype) results.push(node);
|
---|
| 3352 | h.unmark(exclusions);
|
---|
| 3353 | return results;
|
---|
| 3354 | },
|
---|
| 3355 |
|
---|
| 3356 | 'enabled': function(nodes, value, root) {
|
---|
| 3357 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
| 3358 | if (!node.disabled && (!node.type || node.type !== 'hidden'))
|
---|
| 3359 | results.push(node);
|
---|
| 3360 | return results;
|
---|
| 3361 | },
|
---|
| 3362 |
|
---|
| 3363 | 'disabled': function(nodes, value, root) {
|
---|
| 3364 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
| 3365 | if (node.disabled) results.push(node);
|
---|
| 3366 | return results;
|
---|
| 3367 | },
|
---|
| 3368 |
|
---|
| 3369 | 'checked': function(nodes, value, root) {
|
---|
| 3370 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
| 3371 | if (node.checked) results.push(node);
|
---|
| 3372 | return results;
|
---|
| 3373 | }
|
---|
| 3374 | },
|
---|
| 3375 |
|
---|
| 3376 | operators: {
|
---|
| 3377 | '=': function(nv, v) { return nv == v; },
|
---|
| 3378 | '!=': function(nv, v) { return nv != v; },
|
---|
| 3379 | '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
|
---|
| 3380 | '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
|
---|
| 3381 | '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
|
---|
| 3382 | '$=': function(nv, v) { return nv.endsWith(v); },
|
---|
| 3383 | '*=': function(nv, v) { return nv.include(v); },
|
---|
| 3384 | '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
|
---|
| 3385 | '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
|
---|
| 3386 | '-').include('-' + (v || "").toUpperCase() + '-'); }
|
---|
| 3387 | },
|
---|
| 3388 |
|
---|
| 3389 | split: function(expression) {
|
---|
| 3390 | var expressions = [];
|
---|
| 3391 | expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
|
---|
| 3392 | expressions.push(m[1].strip());
|
---|
| 3393 | });
|
---|
| 3394 | return expressions;
|
---|
| 3395 | },
|
---|
| 3396 |
|
---|
| 3397 | matchElements: function(elements, expression) {
|
---|
| 3398 | var matches = $$(expression), h = Selector.handlers;
|
---|
| 3399 | h.mark(matches);
|
---|
| 3400 | for (var i = 0, results = [], element; element = elements[i]; i++)
|
---|
| 3401 | if (element._countedByPrototype) results.push(element);
|
---|
| 3402 | h.unmark(matches);
|
---|
| 3403 | return results;
|
---|
| 3404 | },
|
---|
| 3405 |
|
---|
| 3406 | findElement: function(elements, expression, index) {
|
---|
| 3407 | if (Object.isNumber(expression)) {
|
---|
| 3408 | index = expression; expression = false;
|
---|
| 3409 | }
|
---|
| 3410 | return Selector.matchElements(elements, expression || '*')[index || 0];
|
---|
| 3411 | },
|
---|
| 3412 |
|
---|
| 3413 | findChildElements: function(element, expressions) {
|
---|
| 3414 | expressions = Selector.split(expressions.join(','));
|
---|
| 3415 | var results = [], h = Selector.handlers;
|
---|
| 3416 | for (var i = 0, l = expressions.length, selector; i < l; i++) {
|
---|
| 3417 | selector = new Selector(expressions[i].strip());
|
---|
| 3418 | h.concat(results, selector.findElements(element));
|
---|
| 3419 | }
|
---|
| 3420 | return (l > 1) ? h.unique(results) : results;
|
---|
| 3421 | }
|
---|
| 3422 | });
|
---|
| 3423 |
|
---|
| 3424 | if (Prototype.Browser.IE) {
|
---|
| 3425 | Object.extend(Selector.handlers, {
|
---|
| 3426 | // IE returns comment nodes on getElementsByTagName("*").
|
---|
| 3427 | // Filter them out.
|
---|
| 3428 | concat: function(a, b) {
|
---|
| 3429 | for (var i = 0, node; node = b[i]; i++)
|
---|
| 3430 | if (node.tagName !== "!") a.push(node);
|
---|
| 3431 | return a;
|
---|
| 3432 | },
|
---|
| 3433 |
|
---|
| 3434 | // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
|
---|
| 3435 | unmark: function(nodes) {
|
---|
| 3436 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
| 3437 | node.removeAttribute('_countedByPrototype');
|
---|
| 3438 | return nodes;
|
---|
| 3439 | }
|
---|
| 3440 | });
|
---|
| 3441 | }
|
---|
| 3442 |
|
---|
| 3443 | function $$() {
|
---|
| 3444 | return Selector.findChildElements(document, $A(arguments));
|
---|
| 3445 | }
|
---|
| 3446 | var Form = {
|
---|
| 3447 | reset: function(form) {
|
---|
| 3448 | $(form).reset();
|
---|
| 3449 | return form;
|
---|
| 3450 | },
|
---|
| 3451 |
|
---|
| 3452 | serializeElements: function(elements, options) {
|
---|
| 3453 | if (typeof options != 'object') options = { hash: !!options };
|
---|
| 3454 | else if (Object.isUndefined(options.hash)) options.hash = true;
|
---|
| 3455 | var key, value, submitted = false, submit = options.submit;
|
---|
| 3456 |
|
---|
| 3457 | var data = elements.inject({ }, function(result, element) {
|
---|
| 3458 | if (!element.disabled && element.name) {
|
---|
| 3459 | key = element.name; value = $(element).getValue();
|
---|
| 3460 | if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
|
---|
| 3461 | submit !== false && (!submit || key == submit) && (submitted = true)))) {
|
---|
| 3462 | if (key in result) {
|
---|
| 3463 | // a key is already present; construct an array of values
|
---|
| 3464 | if (!Object.isArray(result[key])) result[key] = [result[key]];
|
---|
| 3465 | result[key].push(value);
|
---|
| 3466 | }
|
---|
| 3467 | else result[key] = value;
|
---|
| 3468 | }
|
---|
| 3469 | }
|
---|
| 3470 | return result;
|
---|
| 3471 | });
|
---|
| 3472 |
|
---|
| 3473 | return options.hash ? data : Object.toQueryString(data);
|
---|
| 3474 | }
|
---|
| 3475 | };
|
---|
| 3476 |
|
---|
| 3477 | Form.Methods = {
|
---|
| 3478 | serialize: function(form, options) {
|
---|
| 3479 | return Form.serializeElements(Form.getElements(form), options);
|
---|
| 3480 | },
|
---|
| 3481 |
|
---|
| 3482 | getElements: function(form) {
|
---|
| 3483 | return $A($(form).getElementsByTagName('*')).inject([],
|
---|
| 3484 | function(elements, child) {
|
---|
| 3485 | if (Form.Element.Serializers[child.tagName.toLowerCase()])
|
---|
| 3486 | elements.push(Element.extend(child));
|
---|
| 3487 | return elements;
|
---|
| 3488 | }
|
---|
| 3489 | );
|
---|
| 3490 | },
|
---|
| 3491 |
|
---|
| 3492 | getInputs: function(form, typeName, name) {
|
---|
| 3493 | form = $(form);
|
---|
| 3494 | var inputs = form.getElementsByTagName('input');
|
---|
| 3495 |
|
---|
| 3496 | if (!typeName && !name) return $A(inputs).map(Element.extend);
|
---|
| 3497 |
|
---|
| 3498 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
|
---|
| 3499 | var input = inputs[i];
|
---|
| 3500 | if ((typeName && input.type != typeName) || (name && input.name != name))
|
---|
| 3501 | continue;
|
---|
| 3502 | matchingInputs.push(Element.extend(input));
|
---|
| 3503 | }
|
---|
| 3504 |
|
---|
| 3505 | return matchingInputs;
|
---|
| 3506 | },
|
---|
| 3507 |
|
---|
| 3508 | disable: function(form) {
|
---|
| 3509 | form = $(form);
|
---|
| 3510 | Form.getElements(form).invoke('disable');
|
---|
| 3511 | return form;
|
---|
| 3512 | },
|
---|
| 3513 |
|
---|
| 3514 | enable: function(form) {
|
---|
| 3515 | form = $(form);
|
---|
| 3516 | Form.getElements(form).invoke('enable');
|
---|
| 3517 | return form;
|
---|
| 3518 | },
|
---|
| 3519 |
|
---|
| 3520 | findFirstElement: function(form) {
|
---|
| 3521 | var elements = $(form).getElements().findAll(function(element) {
|
---|
| 3522 | return 'hidden' != element.type && !element.disabled;
|
---|
| 3523 | });
|
---|
| 3524 | var firstByIndex = elements.findAll(function(element) {
|
---|
| 3525 | return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
|
---|
| 3526 | }).sortBy(function(element) { return element.tabIndex }).first();
|
---|
| 3527 |
|
---|
| 3528 | return firstByIndex ? firstByIndex : elements.find(function(element) {
|
---|
| 3529 | return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
|
---|
| 3530 | });
|
---|
| 3531 | },
|
---|
| 3532 |
|
---|
| 3533 | focusFirstElement: function(form) {
|
---|
| 3534 | form = $(form);
|
---|
| 3535 | form.findFirstElement().activate();
|
---|
| 3536 | return form;
|
---|
| 3537 | },
|
---|
| 3538 |
|
---|
| 3539 | request: function(form, options) {
|
---|
| 3540 | form = $(form), options = Object.clone(options || { });
|
---|
| 3541 |
|
---|
| 3542 | var params = options.parameters, action = form.readAttribute('action') || '';
|
---|
| 3543 | if (action.blank()) action = window.location.href;
|
---|
| 3544 | options.parameters = form.serialize(true);
|
---|
| 3545 |
|
---|
| 3546 | if (params) {
|
---|
| 3547 | if (Object.isString(params)) params = params.toQueryParams();
|
---|
| 3548 | Object.extend(options.parameters, params);
|
---|
| 3549 | }
|
---|
| 3550 |
|
---|
| 3551 | if (form.hasAttribute('method') && !options.method)
|
---|
| 3552 | options.method = form.method;
|
---|
| 3553 |
|
---|
| 3554 | return new Ajax.Request(action, options);
|
---|
| 3555 | }
|
---|
| 3556 | };
|
---|
| 3557 |
|
---|
| 3558 | /*--------------------------------------------------------------------------*/
|
---|
| 3559 |
|
---|
| 3560 | Form.Element = {
|
---|
| 3561 | focus: function(element) {
|
---|
| 3562 | $(element).focus();
|
---|
| 3563 | return element;
|
---|
| 3564 | },
|
---|
| 3565 |
|
---|
| 3566 | select: function(element) {
|
---|
| 3567 | $(element).select();
|
---|
| 3568 | return element;
|
---|
| 3569 | }
|
---|
| 3570 | };
|
---|
| 3571 |
|
---|
| 3572 | Form.Element.Methods = {
|
---|
| 3573 | serialize: function(element) {
|
---|
| 3574 | element = $(element);
|
---|
| 3575 | if (!element.disabled && element.name) {
|
---|
| 3576 | var value = element.getValue();
|
---|
| 3577 | if (value != undefined) {
|
---|
| 3578 | var pair = { };
|
---|
| 3579 | pair[element.name] = value;
|
---|
| 3580 | return Object.toQueryString(pair);
|
---|
| 3581 | }
|
---|
| 3582 | }
|
---|
| 3583 | return '';
|
---|
| 3584 | },
|
---|
| 3585 |
|
---|
| 3586 | getValue: function(element) {
|
---|
| 3587 | element = $(element);
|
---|
| 3588 | var method = element.tagName.toLowerCase();
|
---|
| 3589 | return Form.Element.Serializers[method](element);
|
---|
| 3590 | },
|
---|
| 3591 |
|
---|
| 3592 | setValue: function(element, value) {
|
---|
| 3593 | element = $(element);
|
---|
| 3594 | var method = element.tagName.toLowerCase();
|
---|
| 3595 | Form.Element.Serializers[method](element, value);
|
---|
| 3596 | return element;
|
---|
| 3597 | },
|
---|
| 3598 |
|
---|
| 3599 | clear: function(element) {
|
---|
| 3600 | $(element).value = '';
|
---|
| 3601 | return element;
|
---|
| 3602 | },
|
---|
| 3603 |
|
---|
| 3604 | present: function(element) {
|
---|
| 3605 | return $(element).value != '';
|
---|
| 3606 | },
|
---|
| 3607 |
|
---|
| 3608 | activate: function(element) {
|
---|
| 3609 | element = $(element);
|
---|
| 3610 | try {
|
---|
| 3611 | element.focus();
|
---|
| 3612 | if (element.select && (element.tagName.toLowerCase() != 'input' ||
|
---|
| 3613 | !['button', 'reset', 'submit'].include(element.type)))
|
---|
| 3614 | element.select();
|
---|
| 3615 | } catch (e) { }
|
---|
| 3616 | return element;
|
---|
| 3617 | },
|
---|
| 3618 |
|
---|
| 3619 | disable: function(element) {
|
---|
| 3620 | element = $(element);
|
---|
| 3621 | element.disabled = true;
|
---|
| 3622 | return element;
|
---|
| 3623 | },
|
---|
| 3624 |
|
---|
| 3625 | enable: function(element) {
|
---|
| 3626 | element = $(element);
|
---|
| 3627 | element.disabled = false;
|
---|
| 3628 | return element;
|
---|
| 3629 | }
|
---|
| 3630 | };
|
---|
| 3631 |
|
---|
| 3632 | /*--------------------------------------------------------------------------*/
|
---|
| 3633 |
|
---|
| 3634 | var Field = Form.Element;
|
---|
| 3635 | var $F = Form.Element.Methods.getValue;
|
---|
| 3636 |
|
---|
| 3637 | /*--------------------------------------------------------------------------*/
|
---|
| 3638 |
|
---|
| 3639 | Form.Element.Serializers = {
|
---|
| 3640 | input: function(element, value) {
|
---|
| 3641 | switch (element.type.toLowerCase()) {
|
---|
| 3642 | case 'checkbox':
|
---|
| 3643 | case 'radio':
|
---|
| 3644 | return Form.Element.Serializers.inputSelector(element, value);
|
---|
| 3645 | default:
|
---|
| 3646 | return Form.Element.Serializers.textarea(element, value);
|
---|
| 3647 | }
|
---|
| 3648 | },
|
---|
| 3649 |
|
---|
| 3650 | inputSelector: function(element, value) {
|
---|
| 3651 | if (Object.isUndefined(value)) return element.checked ? element.value : null;
|
---|
| 3652 | else element.checked = !!value;
|
---|
| 3653 | },
|
---|
| 3654 |
|
---|
| 3655 | textarea: function(element, value) {
|
---|
| 3656 | if (Object.isUndefined(value)) return element.value;
|
---|
| 3657 | else element.value = value;
|
---|
| 3658 | },
|
---|
| 3659 |
|
---|
| 3660 | select: function(element, value) {
|
---|
| 3661 | if (Object.isUndefined(value))
|
---|
| 3662 | return this[element.type == 'select-one' ?
|
---|
| 3663 | 'selectOne' : 'selectMany'](element);
|
---|
| 3664 | else {
|
---|
| 3665 | var opt, currentValue, single = !Object.isArray(value);
|
---|
| 3666 | for (var i = 0, length = element.length; i < length; i++) {
|
---|
| 3667 | opt = element.options[i];
|
---|
| 3668 | currentValue = this.optionValue(opt);
|
---|
| 3669 | if (single) {
|
---|
| 3670 | if (currentValue == value) {
|
---|
| 3671 | opt.selected = true;
|
---|
| 3672 | return;
|
---|
| 3673 | }
|
---|
| 3674 | }
|
---|
| 3675 | else opt.selected = value.include(currentValue);
|
---|
| 3676 | }
|
---|
| 3677 | }
|
---|
| 3678 | },
|
---|
| 3679 |
|
---|
| 3680 | selectOne: function(element) {
|
---|
| 3681 | var index = element.selectedIndex;
|
---|
| 3682 | return index >= 0 ? this.optionValue(element.options[index]) : null;
|
---|
| 3683 | },
|
---|
| 3684 |
|
---|
| 3685 | selectMany: function(element) {
|
---|
| 3686 | var values, length = element.length;
|
---|
| 3687 | if (!length) return null;
|
---|
| 3688 |
|
---|
| 3689 | for (var i = 0, values = []; i < length; i++) {
|
---|
| 3690 | var opt = element.options[i];
|
---|
| 3691 | if (opt.selected) values.push(this.optionValue(opt));
|
---|
| 3692 | }
|
---|
| 3693 | return values;
|
---|
| 3694 | },
|
---|
| 3695 |
|
---|
| 3696 | optionValue: function(opt) {
|
---|
| 3697 | // extend element because hasAttribute may not be native
|
---|
| 3698 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
|
---|
| 3699 | }
|
---|
| 3700 | };
|
---|
| 3701 |
|
---|
| 3702 | /*--------------------------------------------------------------------------*/
|
---|
| 3703 |
|
---|
| 3704 | Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
|
---|
| 3705 | initialize: function($super, element, frequency, callback) {
|
---|
| 3706 | $super(callback, frequency);
|
---|
| 3707 | this.element = $(element);
|
---|
| 3708 | this.lastValue = this.getValue();
|
---|
| 3709 | },
|
---|
| 3710 |
|
---|
| 3711 | execute: function() {
|
---|
| 3712 | var value = this.getValue();
|
---|
| 3713 | if (Object.isString(this.lastValue) && Object.isString(value) ?
|
---|
| 3714 | this.lastValue != value : String(this.lastValue) != String(value)) {
|
---|
| 3715 | this.callback(this.element, value);
|
---|
| 3716 | this.lastValue = value;
|
---|
| 3717 | }
|
---|
| 3718 | }
|
---|
| 3719 | });
|
---|
| 3720 |
|
---|
| 3721 | Form.Element.Observer = Class.create(Abstract.TimedObserver, {
|
---|
| 3722 | getValue: function() {
|
---|
| 3723 | return Form.Element.getValue(this.element);
|
---|
| 3724 | }
|
---|
| 3725 | });
|
---|
| 3726 |
|
---|
| 3727 | Form.Observer = Class.create(Abstract.TimedObserver, {
|
---|
| 3728 | getValue: function() {
|
---|
| 3729 | return Form.serialize(this.element);
|
---|
| 3730 | }
|
---|
| 3731 | });
|
---|
| 3732 |
|
---|
| 3733 | /*--------------------------------------------------------------------------*/
|
---|
| 3734 |
|
---|
| 3735 | Abstract.EventObserver = Class.create({
|
---|
| 3736 | initialize: function(element, callback) {
|
---|
| 3737 | this.element = $(element);
|
---|
| 3738 | this.callback = callback;
|
---|
| 3739 |
|
---|
| 3740 | this.lastValue = this.getValue();
|
---|
| 3741 | if (this.element.tagName.toLowerCase() == 'form')
|
---|
| 3742 | this.registerFormCallbacks();
|
---|
| 3743 | else
|
---|
| 3744 | this.registerCallback(this.element);
|
---|
| 3745 | },
|
---|
| 3746 |
|
---|
| 3747 | onElementEvent: function() {
|
---|
| 3748 | var value = this.getValue();
|
---|
| 3749 | if (this.lastValue != value) {
|
---|
| 3750 | this.callback(this.element, value);
|
---|
| 3751 | this.lastValue = value;
|
---|
| 3752 | }
|
---|
| 3753 | },
|
---|
| 3754 |
|
---|
| 3755 | registerFormCallbacks: function() {
|
---|
| 3756 | Form.getElements(this.element).each(this.registerCallback, this);
|
---|
| 3757 | },
|
---|
| 3758 |
|
---|
| 3759 | registerCallback: function(element) {
|
---|
| 3760 | if (element.type) {
|
---|
| 3761 | switch (element.type.toLowerCase()) {
|
---|
| 3762 | case 'checkbox':
|
---|
| 3763 | case 'radio':
|
---|
| 3764 | Event.observe(element, 'click', this.onElementEvent.bind(this));
|
---|
| 3765 | break;
|
---|
| 3766 | default:
|
---|
| 3767 | Event.observe(element, 'change', this.onElementEvent.bind(this));
|
---|
| 3768 | break;
|
---|
| 3769 | }
|
---|
| 3770 | }
|
---|
| 3771 | }
|
---|
| 3772 | });
|
---|
| 3773 |
|
---|
| 3774 | Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
|
---|
| 3775 | getValue: function() {
|
---|
| 3776 | return Form.Element.getValue(this.element);
|
---|
| 3777 | }
|
---|
| 3778 | });
|
---|
| 3779 |
|
---|
| 3780 | Form.EventObserver = Class.create(Abstract.EventObserver, {
|
---|
| 3781 | getValue: function() {
|
---|
| 3782 | return Form.serialize(this.element);
|
---|
| 3783 | }
|
---|
| 3784 | });
|
---|
| 3785 | if (!window.Event) var Event = { };
|
---|
| 3786 |
|
---|
| 3787 | Object.extend(Event, {
|
---|
| 3788 | KEY_BACKSPACE: 8,
|
---|
| 3789 | KEY_TAB: 9,
|
---|
| 3790 | KEY_RETURN: 13,
|
---|
| 3791 | KEY_ESC: 27,
|
---|
| 3792 | KEY_LEFT: 37,
|
---|
| 3793 | KEY_UP: 38,
|
---|
| 3794 | KEY_RIGHT: 39,
|
---|
| 3795 | KEY_DOWN: 40,
|
---|
| 3796 | KEY_DELETE: 46,
|
---|
| 3797 | KEY_HOME: 36,
|
---|
| 3798 | KEY_END: 35,
|
---|
| 3799 | KEY_PAGEUP: 33,
|
---|
| 3800 | KEY_PAGEDOWN: 34,
|
---|
| 3801 | KEY_INSERT: 45,
|
---|
| 3802 |
|
---|
| 3803 | cache: { },
|
---|
| 3804 |
|
---|
| 3805 | relatedTarget: function(event) {
|
---|
| 3806 | var element;
|
---|
| 3807 | switch(event.type) {
|
---|
| 3808 | case 'mouseover': element = event.fromElement; break;
|
---|
| 3809 | case 'mouseout': element = event.toElement; break;
|
---|
| 3810 | default: return null;
|
---|
| 3811 | }
|
---|
| 3812 | return Element.extend(element);
|
---|
| 3813 | }
|
---|
| 3814 | });
|
---|
| 3815 |
|
---|
| 3816 | Event.Methods = (function() {
|
---|
| 3817 | var isButton;
|
---|
| 3818 |
|
---|
| 3819 | if (Prototype.Browser.IE) {
|
---|
| 3820 | var buttonMap = { 0: 1, 1: 4, 2: 2 };
|
---|
| 3821 | isButton = function(event, code) {
|
---|
| 3822 | return event.button == buttonMap[code];
|
---|
| 3823 | };
|
---|
| 3824 |
|
---|
| 3825 | } else if (Prototype.Browser.WebKit) {
|
---|
| 3826 | isButton = function(event, code) {
|
---|
| 3827 | switch (code) {
|
---|
| 3828 | case 0: return event.which == 1 && !event.metaKey;
|
---|
| 3829 | case 1: return event.which == 1 && event.metaKey;
|
---|
| 3830 | default: return false;
|
---|
| 3831 | }
|
---|
| 3832 | };
|
---|
| 3833 |
|
---|
| 3834 | } else {
|
---|
| 3835 | isButton = function(event, code) {
|
---|
| 3836 | return event.which ? (event.which === code + 1) : (event.button === code);
|
---|
| 3837 | };
|
---|
| 3838 | }
|
---|
| 3839 |
|
---|
| 3840 | return {
|
---|
| 3841 | isLeftClick: function(event) { return isButton(event, 0) },
|
---|
| 3842 | isMiddleClick: function(event) { return isButton(event, 1) },
|
---|
| 3843 | isRightClick: function(event) { return isButton(event, 2) },
|
---|
| 3844 |
|
---|
| 3845 | element: function(event) {
|
---|
| 3846 | event = Event.extend(event);
|
---|
| 3847 |
|
---|
| 3848 | var node = event.target,
|
---|
| 3849 | type = event.type,
|
---|
| 3850 | currentTarget = event.currentTarget;
|
---|
| 3851 |
|
---|
| 3852 | if (currentTarget && currentTarget.tagName) {
|
---|
| 3853 | // Firefox screws up the "click" event when moving between radio buttons
|
---|
| 3854 | // via arrow keys. It also screws up the "load" and "error" events on images,
|
---|
| 3855 | // reporting the document as the target instead of the original image.
|
---|
| 3856 | if (type === 'load' || type === 'error' ||
|
---|
| 3857 | (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
|
---|
| 3858 | && currentTarget.type === 'radio'))
|
---|
| 3859 | node = currentTarget;
|
---|
| 3860 | }
|
---|
| 3861 | if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
|
---|
| 3862 | return Element.extend(node);
|
---|
| 3863 | },
|
---|
| 3864 |
|
---|
| 3865 | findElement: function(event, expression) {
|
---|
| 3866 | var element = Event.element(event);
|
---|
| 3867 | if (!expression) return element;
|
---|
| 3868 | var elements = [element].concat(element.ancestors());
|
---|
| 3869 | return Selector.findElement(elements, expression, 0);
|
---|
| 3870 | },
|
---|
| 3871 |
|
---|
| 3872 | pointer: function(event) {
|
---|
| 3873 | var docElement = document.documentElement,
|
---|
| 3874 | body = document.body || { scrollLeft: 0, scrollTop: 0 };
|
---|
| 3875 | return {
|
---|
| 3876 | x: event.pageX || (event.clientX +
|
---|
| 3877 | (docElement.scrollLeft || body.scrollLeft) -
|
---|
| 3878 | (docElement.clientLeft || 0)),
|
---|
| 3879 | y: event.pageY || (event.clientY +
|
---|
| 3880 | (docElement.scrollTop || body.scrollTop) -
|
---|
| 3881 | (docElement.clientTop || 0))
|
---|
| 3882 | };
|
---|
| 3883 | },
|
---|
| 3884 |
|
---|
| 3885 | pointerX: function(event) { return Event.pointer(event).x },
|
---|
| 3886 | pointerY: function(event) { return Event.pointer(event).y },
|
---|
| 3887 |
|
---|
| 3888 | stop: function(event) {
|
---|
| 3889 | Event.extend(event);
|
---|
| 3890 | event.preventDefault();
|
---|
| 3891 | event.stopPropagation();
|
---|
| 3892 | event.stopped = true;
|
---|
| 3893 | }
|
---|
| 3894 | };
|
---|
| 3895 | })();
|
---|
| 3896 |
|
---|
| 3897 | Event.extend = (function() {
|
---|
| 3898 | var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
|
---|
| 3899 | m[name] = Event.Methods[name].methodize();
|
---|
| 3900 | return m;
|
---|
| 3901 | });
|
---|
| 3902 |
|
---|
| 3903 | if (Prototype.Browser.IE) {
|
---|
| 3904 | Object.extend(methods, {
|
---|
| 3905 | stopPropagation: function() { this.cancelBubble = true },
|
---|
| 3906 | preventDefault: function() { this.returnValue = false },
|
---|
| 3907 | inspect: function() { return "[object Event]" }
|
---|
| 3908 | });
|
---|
| 3909 |
|
---|
| 3910 | return function(event) {
|
---|
| 3911 | if (!event) return false;
|
---|
| 3912 | if (event._extendedByPrototype) return event;
|
---|
| 3913 |
|
---|
| 3914 | event._extendedByPrototype = Prototype.emptyFunction;
|
---|
| 3915 | var pointer = Event.pointer(event);
|
---|
| 3916 | Object.extend(event, {
|
---|
| 3917 | target: event.srcElement,
|
---|
| 3918 | relatedTarget: Event.relatedTarget(event),
|
---|
| 3919 | pageX: pointer.x,
|
---|
| 3920 | pageY: pointer.y
|
---|
| 3921 | });
|
---|
| 3922 | return Object.extend(event, methods);
|
---|
| 3923 | };
|
---|
| 3924 |
|
---|
| 3925 | } else {
|
---|
| 3926 | Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
|
---|
| 3927 | Object.extend(Event.prototype, methods);
|
---|
| 3928 | return Prototype.K;
|
---|
| 3929 | }
|
---|
| 3930 | })();
|
---|
| 3931 |
|
---|
| 3932 | Object.extend(Event, (function() {
|
---|
| 3933 | var cache = Event.cache;
|
---|
| 3934 |
|
---|
| 3935 | function getEventID(element) {
|
---|
| 3936 | if (element._prototypeEventID) return element._prototypeEventID[0];
|
---|
| 3937 | arguments.callee.id = arguments.callee.id || 1;
|
---|
| 3938 | return element._prototypeEventID = [++arguments.callee.id];
|
---|
| 3939 | }
|
---|
| 3940 |
|
---|
| 3941 | function getDOMEventName(eventName) {
|
---|
| 3942 | if (eventName && eventName.include(':')) return "dataavailable";
|
---|
| 3943 | return eventName;
|
---|
| 3944 | }
|
---|
| 3945 |
|
---|
| 3946 | function getCacheForID(id) {
|
---|
| 3947 | return cache[id] = cache[id] || { };
|
---|
| 3948 | }
|
---|
| 3949 |
|
---|
| 3950 | function getWrappersForEventName(id, eventName) {
|
---|
| 3951 | var c = getCacheForID(id);
|
---|
| 3952 | return c[eventName] = c[eventName] || [];
|
---|
| 3953 | }
|
---|
| 3954 |
|
---|
| 3955 | function createWrapper(element, eventName, handler) {
|
---|
| 3956 | var id = getEventID(element);
|
---|
| 3957 | var c = getWrappersForEventName(id, eventName);
|
---|
| 3958 | if (c.pluck("handler").include(handler)) return false;
|
---|
| 3959 |
|
---|
| 3960 | var wrapper = function(event) {
|
---|
| 3961 | if (!Event || !Event.extend ||
|
---|
| 3962 | (event.eventName && event.eventName != eventName))
|
---|
| 3963 | return false;
|
---|
| 3964 |
|
---|
| 3965 | Event.extend(event);
|
---|
| 3966 | handler.call(element, event);
|
---|
| 3967 | };
|
---|
| 3968 |
|
---|
| 3969 | wrapper.handler = handler;
|
---|
| 3970 | c.push(wrapper);
|
---|
| 3971 | return wrapper;
|
---|
| 3972 | }
|
---|
| 3973 |
|
---|
| 3974 | function findWrapper(id, eventName, handler) {
|
---|
| 3975 | var c = getWrappersForEventName(id, eventName);
|
---|
| 3976 | return c.find(function(wrapper) { return wrapper.handler == handler });
|
---|
| 3977 | }
|
---|
| 3978 |
|
---|
| 3979 | function destroyWrapper(id, eventName, handler) {
|
---|
| 3980 | var c = getCacheForID(id);
|
---|
| 3981 | if (!c[eventName]) return false;
|
---|
| 3982 | c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
|
---|
| 3983 | }
|
---|
| 3984 |
|
---|
| 3985 | function destroyCache() {
|
---|
| 3986 | for (var id in cache)
|
---|
| 3987 | for (var eventName in cache[id])
|
---|
| 3988 | cache[id][eventName] = null;
|
---|
| 3989 | }
|
---|
| 3990 |
|
---|
| 3991 |
|
---|
| 3992 | // Internet Explorer needs to remove event handlers on page unload
|
---|
| 3993 | // in order to avoid memory leaks.
|
---|
| 3994 | if (window.attachEvent) {
|
---|
| 3995 | window.attachEvent("onunload", destroyCache);
|
---|
| 3996 | }
|
---|
| 3997 |
|
---|
| 3998 | // Safari has a dummy event handler on page unload so that it won't
|
---|
| 3999 | // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
|
---|
| 4000 | // object when page is returned to via the back button using its bfcache.
|
---|
| 4001 | if (Prototype.Browser.WebKit) {
|
---|
| 4002 | window.addEventListener('unload', Prototype.emptyFunction, false);
|
---|
| 4003 | }
|
---|
| 4004 |
|
---|
| 4005 | return {
|
---|
| 4006 | observe: function(element, eventName, handler) {
|
---|
| 4007 | element = $(element);
|
---|
| 4008 | var name = getDOMEventName(eventName);
|
---|
| 4009 |
|
---|
| 4010 | var wrapper = createWrapper(element, eventName, handler);
|
---|
| 4011 | if (!wrapper) return element;
|
---|
| 4012 |
|
---|
| 4013 | if (element.addEventListener) {
|
---|
| 4014 | element.addEventListener(name, wrapper, false);
|
---|
| 4015 | } else {
|
---|
| 4016 | element.attachEvent("on" + name, wrapper);
|
---|
| 4017 | }
|
---|
| 4018 |
|
---|
| 4019 | return element;
|
---|
| 4020 | },
|
---|
| 4021 |
|
---|
| 4022 | stopObserving: function(element, eventName, handler) {
|
---|
| 4023 | element = $(element);
|
---|
| 4024 | var id = getEventID(element), name = getDOMEventName(eventName);
|
---|
| 4025 |
|
---|
| 4026 | if (!handler && eventName) {
|
---|
| 4027 | getWrappersForEventName(id, eventName).each(function(wrapper) {
|
---|
| 4028 | element.stopObserving(eventName, wrapper.handler);
|
---|
| 4029 | });
|
---|
| 4030 | return element;
|
---|
| 4031 |
|
---|
| 4032 | } else if (!eventName) {
|
---|
| 4033 | Object.keys(getCacheForID(id)).each(function(eventName) {
|
---|
| 4034 | element.stopObserving(eventName);
|
---|
| 4035 | });
|
---|
| 4036 | return element;
|
---|
| 4037 | }
|
---|
| 4038 |
|
---|
| 4039 | var wrapper = findWrapper(id, eventName, handler);
|
---|
| 4040 | if (!wrapper) return element;
|
---|
| 4041 |
|
---|
| 4042 | if (element.removeEventListener) {
|
---|
| 4043 | element.removeEventListener(name, wrapper, false);
|
---|
| 4044 | } else {
|
---|
| 4045 | element.detachEvent("on" + name, wrapper);
|
---|
| 4046 | }
|
---|
| 4047 |
|
---|
| 4048 | destroyWrapper(id, eventName, handler);
|
---|
| 4049 |
|
---|
| 4050 | return element;
|
---|
| 4051 | },
|
---|
| 4052 |
|
---|
| 4053 | fire: function(element, eventName, memo) {
|
---|
| 4054 | element = $(element);
|
---|
| 4055 | if (element == document && document.createEvent && !element.dispatchEvent)
|
---|
| 4056 | element = document.documentElement;
|
---|
| 4057 |
|
---|
| 4058 | var event;
|
---|
| 4059 | if (document.createEvent) {
|
---|
| 4060 | event = document.createEvent("HTMLEvents");
|
---|
| 4061 | event.initEvent("dataavailable", true, true);
|
---|
| 4062 | } else {
|
---|
| 4063 | event = document.createEventObject();
|
---|
| 4064 | event.eventType = "ondataavailable";
|
---|
| 4065 | }
|
---|
| 4066 |
|
---|
| 4067 | event.eventName = eventName;
|
---|
| 4068 | event.memo = memo || { };
|
---|
| 4069 |
|
---|
| 4070 | if (document.createEvent) {
|
---|
| 4071 | element.dispatchEvent(event);
|
---|
| 4072 | } else {
|
---|
| 4073 | element.fireEvent(event.eventType, event);
|
---|
| 4074 | }
|
---|
| 4075 |
|
---|
| 4076 | return Event.extend(event);
|
---|
| 4077 | }
|
---|
| 4078 | };
|
---|
| 4079 | })());
|
---|
| 4080 |
|
---|
| 4081 | Object.extend(Event, Event.Methods);
|
---|
| 4082 |
|
---|
| 4083 | Element.addMethods({
|
---|
| 4084 | fire: Event.fire,
|
---|
| 4085 | observe: Event.observe,
|
---|
| 4086 | stopObserving: Event.stopObserving
|
---|
| 4087 | });
|
---|
| 4088 |
|
---|
| 4089 | Object.extend(document, {
|
---|
| 4090 | fire: Element.Methods.fire.methodize(),
|
---|
| 4091 | observe: Element.Methods.observe.methodize(),
|
---|
| 4092 | stopObserving: Element.Methods.stopObserving.methodize(),
|
---|
| 4093 | loaded: false
|
---|
| 4094 | });
|
---|
| 4095 |
|
---|
| 4096 | (function() {
|
---|
| 4097 | /* Support for the DOMContentLoaded event is based on work by Dan Webb,
|
---|
| 4098 | Matthias Miller, Dean Edwards and John Resig. */
|
---|
| 4099 |
|
---|
| 4100 | var timer;
|
---|
| 4101 |
|
---|
| 4102 | function fireContentLoadedEvent() {
|
---|
| 4103 | if (document.loaded) return;
|
---|
| 4104 | if (timer) window.clearInterval(timer);
|
---|
| 4105 | document.fire("dom:loaded");
|
---|
| 4106 | document.loaded = true;
|
---|
| 4107 | }
|
---|
| 4108 |
|
---|
| 4109 | if (document.addEventListener) {
|
---|
| 4110 | if (Prototype.Browser.WebKit) {
|
---|
| 4111 | timer = window.setInterval(function() {
|
---|
| 4112 | if (/loaded|complete/.test(document.readyState))
|
---|
| 4113 | fireContentLoadedEvent();
|
---|
| 4114 | }, 0);
|
---|
| 4115 |
|
---|
| 4116 | Event.observe(window, "load", fireContentLoadedEvent);
|
---|
| 4117 |
|
---|
| 4118 | } else {
|
---|
| 4119 | document.addEventListener("DOMContentLoaded",
|
---|
| 4120 | fireContentLoadedEvent, false);
|
---|
| 4121 | }
|
---|
| 4122 |
|
---|
| 4123 | } else {
|
---|
| 4124 | document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
|
---|
| 4125 | $("__onDOMContentLoaded").onreadystatechange = function() {
|
---|
| 4126 | if (this.readyState == "complete") {
|
---|
| 4127 | this.onreadystatechange = null;
|
---|
| 4128 | fireContentLoadedEvent();
|
---|
| 4129 | }
|
---|
| 4130 | };
|
---|
| 4131 | }
|
---|
| 4132 | })();
|
---|
| 4133 | /*------------------------------- DEPRECATED -------------------------------*/
|
---|
| 4134 |
|
---|
| 4135 | Hash.toQueryString = Object.toQueryString;
|
---|
| 4136 |
|
---|
| 4137 | var Toggle = { display: Element.toggle };
|
---|
| 4138 |
|
---|
| 4139 | Element.Methods.childOf = Element.Methods.descendantOf;
|
---|
| 4140 |
|
---|
| 4141 | var Insertion = {
|
---|
| 4142 | Before: function(element, content) {
|
---|
| 4143 | return Element.insert(element, {before:content});
|
---|
| 4144 | },
|
---|
| 4145 |
|
---|
| 4146 | Top: function(element, content) {
|
---|
| 4147 | return Element.insert(element, {top:content});
|
---|
| 4148 | },
|
---|
| 4149 |
|
---|
| 4150 | Bottom: function(element, content) {
|
---|
| 4151 | return Element.insert(element, {bottom:content});
|
---|
| 4152 | },
|
---|
| 4153 |
|
---|
| 4154 | After: function(element, content) {
|
---|
| 4155 | return Element.insert(element, {after:content});
|
---|
| 4156 | }
|
---|
| 4157 | };
|
---|
| 4158 |
|
---|
| 4159 | var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
|
---|
| 4160 |
|
---|
| 4161 | // This should be moved to script.aculo.us; notice the deprecated methods
|
---|
| 4162 | // further below, that map to the newer Element methods.
|
---|
| 4163 | var Position = {
|
---|
| 4164 | // set to true if needed, warning: firefox performance problems
|
---|
| 4165 | // NOT neeeded for page scrolling, only if draggable contained in
|
---|
| 4166 | // scrollable elements
|
---|
| 4167 | includeScrollOffsets: false,
|
---|
| 4168 |
|
---|
| 4169 | // must be called before calling withinIncludingScrolloffset, every time the
|
---|
| 4170 | // page is scrolled
|
---|
| 4171 | prepare: function() {
|
---|
| 4172 | this.deltaX = window.pageXOffset
|
---|
| 4173 | || document.documentElement.scrollLeft
|
---|
| 4174 | || document.body.scrollLeft
|
---|
| 4175 | || 0;
|
---|
| 4176 | this.deltaY = window.pageYOffset
|
---|
| 4177 | || document.documentElement.scrollTop
|
---|
| 4178 | || document.body.scrollTop
|
---|
| 4179 | || 0;
|
---|
| 4180 | },
|
---|
| 4181 |
|
---|
| 4182 | // caches x/y coordinate pair to use with overlap
|
---|
| 4183 | within: function(element, x, y) {
|
---|
| 4184 | if (this.includeScrollOffsets)
|
---|
| 4185 | return this.withinIncludingScrolloffsets(element, x, y);
|
---|
| 4186 | this.xcomp = x;
|
---|
| 4187 | this.ycomp = y;
|
---|
| 4188 | this.offset = Element.cumulativeOffset(element);
|
---|
| 4189 |
|
---|
| 4190 | return (y >= this.offset[1] &&
|
---|
| 4191 | y < this.offset[1] + element.offsetHeight &&
|
---|
| 4192 | x >= this.offset[0] &&
|
---|
| 4193 | x < this.offset[0] + element.offsetWidth);
|
---|
| 4194 | },
|
---|
| 4195 |
|
---|
| 4196 | withinIncludingScrolloffsets: function(element, x, y) {
|
---|
| 4197 | var offsetcache = Element.cumulativeScrollOffset(element);
|
---|
| 4198 |
|
---|
| 4199 | this.xcomp = x + offsetcache[0] - this.deltaX;
|
---|
| 4200 | this.ycomp = y + offsetcache[1] - this.deltaY;
|
---|
| 4201 | this.offset = Element.cumulativeOffset(element);
|
---|
| 4202 |
|
---|
| 4203 | return (this.ycomp >= this.offset[1] &&
|
---|
| 4204 | this.ycomp < this.offset[1] + element.offsetHeight &&
|
---|
| 4205 | this.xcomp >= this.offset[0] &&
|
---|
| 4206 | this.xcomp < this.offset[0] + element.offsetWidth);
|
---|
| 4207 | },
|
---|
| 4208 |
|
---|
| 4209 | // within must be called directly before
|
---|
| 4210 | overlap: function(mode, element) {
|
---|
| 4211 | if (!mode) return 0;
|
---|
| 4212 | if (mode == 'vertical')
|
---|
| 4213 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
|
---|
| 4214 | element.offsetHeight;
|
---|
| 4215 | if (mode == 'horizontal')
|
---|
| 4216 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
|
---|
| 4217 | element.offsetWidth;
|
---|
| 4218 | },
|
---|
| 4219 |
|
---|
| 4220 | // Deprecation layer -- use newer Element methods now (1.5.2).
|
---|
| 4221 |
|
---|
| 4222 | cumulativeOffset: Element.Methods.cumulativeOffset,
|
---|
| 4223 |
|
---|
| 4224 | positionedOffset: Element.Methods.positionedOffset,
|
---|
| 4225 |
|
---|
| 4226 | absolutize: function(element) {
|
---|
| 4227 | Position.prepare();
|
---|
| 4228 | return Element.absolutize(element);
|
---|
| 4229 | },
|
---|
| 4230 |
|
---|
| 4231 | relativize: function(element) {
|
---|
| 4232 | Position.prepare();
|
---|
| 4233 | return Element.relativize(element);
|
---|
| 4234 | },
|
---|
| 4235 |
|
---|
| 4236 | realOffset: Element.Methods.cumulativeScrollOffset,
|
---|
| 4237 |
|
---|
| 4238 | offsetParent: Element.Methods.getOffsetParent,
|
---|
| 4239 |
|
---|
| 4240 | page: Element.Methods.viewportOffset,
|
---|
| 4241 |
|
---|
| 4242 | clone: function(source, target, options) {
|
---|
| 4243 | options = options || { };
|
---|
| 4244 | return Element.clonePosition(target, source, options);
|
---|
| 4245 | }
|
---|
| 4246 | };
|
---|
| 4247 |
|
---|
| 4248 | /*--------------------------------------------------------------------------*/
|
---|
| 4249 |
|
---|
| 4250 | if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
|
---|
| 4251 | function iter(name) {
|
---|
| 4252 | return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
|
---|
| 4253 | }
|
---|
| 4254 |
|
---|
| 4255 | instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
|
---|
| 4256 | function(element, className) {
|
---|
| 4257 | className = className.toString().strip();
|
---|
| 4258 | var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
|
---|
| 4259 | return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
|
---|
| 4260 | } : function(element, className) {
|
---|
| 4261 | className = className.toString().strip();
|
---|
| 4262 | var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
|
---|
| 4263 | if (!classNames && !className) return elements;
|
---|
| 4264 |
|
---|
| 4265 | var nodes = $(element).getElementsByTagName('*');
|
---|
| 4266 | className = ' ' + className + ' ';
|
---|
| 4267 |
|
---|
| 4268 | for (var i = 0, child, cn; child = nodes[i]; i++) {
|
---|
| 4269 | if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
|
---|
| 4270 | (classNames && classNames.all(function(name) {
|
---|
| 4271 | return !name.toString().blank() && cn.include(' ' + name + ' ');
|
---|
| 4272 | }))))
|
---|
| 4273 | elements.push(Element.extend(child));
|
---|
| 4274 | }
|
---|
| 4275 | return elements;
|
---|
| 4276 | };
|
---|
| 4277 |
|
---|
| 4278 | return function(className, parentElement) {
|
---|
| 4279 | return $(parentElement || document.body).getElementsByClassName(className);
|
---|
| 4280 | };
|
---|
| 4281 | }(Element.Methods);
|
---|
| 4282 |
|
---|
| 4283 | /*--------------------------------------------------------------------------*/
|
---|
| 4284 |
|
---|
| 4285 | Element.ClassNames = Class.create();
|
---|
| 4286 | Element.ClassNames.prototype = {
|
---|
| 4287 | initialize: function(element) {
|
---|
| 4288 | this.element = $(element);
|
---|
| 4289 | },
|
---|
| 4290 |
|
---|
| 4291 | _each: function(iterator) {
|
---|
| 4292 | this.element.className.split(/\s+/).select(function(name) {
|
---|
| 4293 | return name.length > 0;
|
---|
| 4294 | })._each(iterator);
|
---|
| 4295 | },
|
---|
| 4296 |
|
---|
| 4297 | set: function(className) {
|
---|
| 4298 | this.element.className = className;
|
---|
| 4299 | },
|
---|
| 4300 |
|
---|
| 4301 | add: function(classNameToAdd) {
|
---|
| 4302 | if (this.include(classNameToAdd)) return;
|
---|
| 4303 | this.set($A(this).concat(classNameToAdd).join(' '));
|
---|
| 4304 | },
|
---|
| 4305 |
|
---|
| 4306 | remove: function(classNameToRemove) {
|
---|
| 4307 | if (!this.include(classNameToRemove)) return;
|
---|
| 4308 | this.set($A(this).without(classNameToRemove).join(' '));
|
---|
| 4309 | },
|
---|
| 4310 |
|
---|
| 4311 | toString: function() {
|
---|
| 4312 | return $A(this).join(' ');
|
---|
| 4313 | }
|
---|
| 4314 | };
|
---|
| 4315 |
|
---|
| 4316 | Object.extend(Element.ClassNames.prototype, Enumerable);
|
---|
| 4317 |
|
---|
| 4318 | /*--------------------------------------------------------------------------*/
|
---|
| 4319 |
|
---|
| 4320 | Element.addMethods();
|
---|