[56] | 1 | /* Prototype JavaScript framework, version 1.6.0 |
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| 2 | * (c) 2005-2007 Sam Stephenson |
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| 3 | * |
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| 4 | * Prototype is freely distributable under the terms of an MIT-style license. |
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| 5 | * For details, see the Prototype web site: http://www.prototypejs.org/ |
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| 6 | * |
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| 7 | *--------------------------------------------------------------------------*/ |
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| 8 | |
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| 9 | var Prototype = { |
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| 10 | Version: '1.6.0', |
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| 11 | |
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| 12 | Browser: { |
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| 13 | IE: !!(window.attachEvent && !window.opera), |
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| 14 | Opera: !!window.opera, |
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| 15 | WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, |
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| 16 | Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1, |
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| 17 | MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/) |
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| 18 | }, |
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| 19 | |
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| 20 | BrowserFeatures: { |
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| 21 | XPath: !!document.evaluate, |
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| 22 | ElementExtensions: !!window.HTMLElement, |
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| 23 | SpecificElementExtensions: |
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| 24 | document.createElement('div').__proto__ && |
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| 25 | document.createElement('div').__proto__ !== |
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| 26 | document.createElement('form').__proto__ |
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| 27 | }, |
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| 28 | |
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| 29 | ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', |
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| 30 | JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, |
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| 31 | |
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| 32 | emptyFunction: function() { }, |
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| 33 | K: function(x) { return x } |
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| 34 | }; |
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| 35 | |
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| 36 | if (Prototype.Browser.MobileSafari) |
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| 37 | Prototype.BrowserFeatures.SpecificElementExtensions = false; |
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| 38 | |
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| 39 | if (Prototype.Browser.WebKit) |
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| 40 | Prototype.BrowserFeatures.XPath = false; |
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| 41 | |
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| 42 | /* Based on Alex Arnell's inheritance implementation. */ |
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| 43 | var Class = { |
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| 44 | create: function() { |
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| 45 | var parent = null, properties = $A(arguments); |
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| 46 | if (Object.isFunction(properties[0])) |
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| 47 | parent = properties.shift(); |
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| 48 | |
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| 49 | function klass() { |
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| 50 | this.initialize.apply(this, arguments); |
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| 51 | } |
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| 52 | |
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| 53 | Object.extend(klass, Class.Methods); |
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| 54 | klass.superclass = parent; |
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| 55 | klass.subclasses = []; |
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| 56 | |
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| 57 | if (parent) { |
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| 58 | var subclass = function() { }; |
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| 59 | subclass.prototype = parent.prototype; |
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| 60 | klass.prototype = new subclass; |
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| 61 | parent.subclasses.push(klass); |
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| 62 | } |
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| 63 | |
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| 64 | for (var i = 0; i < properties.length; i++) |
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| 65 | klass.addMethods(properties[i]); |
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| 66 | |
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| 67 | if (!klass.prototype.initialize) |
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| 68 | klass.prototype.initialize = Prototype.emptyFunction; |
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| 69 | |
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| 70 | klass.prototype.constructor = klass; |
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| 71 | |
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| 72 | return klass; |
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| 73 | } |
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| 74 | }; |
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| 75 | |
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| 76 | Class.Methods = { |
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| 77 | addMethods: function(source) { |
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| 78 | var ancestor = this.superclass && this.superclass.prototype; |
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| 79 | var properties = Object.keys(source); |
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| 80 | |
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| 81 | if (!Object.keys({ toString: true }).length) |
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| 82 | properties.push("toString", "valueOf"); |
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| 83 | |
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| 84 | for (var i = 0, length = properties.length; i < length; i++) { |
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| 85 | var property = properties[i], value = source[property]; |
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| 86 | if (ancestor && Object.isFunction(value) && |
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| 87 | value.argumentNames().first() == "$super") { |
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| 88 | var method = value, value = Object.extend((function(m) { |
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| 89 | return function() { return ancestor[m].apply(this, arguments) }; |
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| 90 | })(property).wrap(method), { |
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| 91 | valueOf: function() { return method }, |
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| 92 | toString: function() { return method.toString() } |
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| 93 | }); |
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| 94 | } |
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| 95 | this.prototype[property] = value; |
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| 96 | } |
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| 97 | |
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| 98 | return this; |
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| 99 | } |
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| 100 | }; |
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| 101 | |
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| 102 | var Abstract = { }; |
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| 103 | |
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| 104 | Object.extend = function(destination, source) { |
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| 105 | for (var property in source) |
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| 106 | destination[property] = source[property]; |
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| 107 | return destination; |
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| 108 | }; |
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| 109 | |
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| 110 | Object.extend(Object, { |
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| 111 | inspect: function(object) { |
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| 112 | try { |
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| 113 | if (object === undefined) return 'undefined'; |
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| 114 | if (object === null) return 'null'; |
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| 115 | return object.inspect ? object.inspect() : object.toString(); |
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| 116 | } catch (e) { |
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| 117 | if (e instanceof RangeError) return '...'; |
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| 118 | throw e; |
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| 119 | } |
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| 120 | }, |
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| 121 | |
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| 122 | toJSON: function(object) { |
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| 123 | var type = typeof object; |
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| 124 | switch (type) { |
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| 125 | case 'undefined': |
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| 126 | case 'function': |
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| 127 | case 'unknown': return; |
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| 128 | case 'boolean': return object.toString(); |
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| 129 | } |
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| 130 | |
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| 131 | if (object === null) return 'null'; |
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| 132 | if (object.toJSON) return object.toJSON(); |
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| 133 | if (Object.isElement(object)) return; |
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| 134 | |
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| 135 | var results = []; |
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| 136 | for (var property in object) { |
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| 137 | var value = Object.toJSON(object[property]); |
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| 138 | if (value !== undefined) |
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| 139 | results.push(property.toJSON() + ': ' + value); |
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| 140 | } |
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| 141 | |
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| 142 | return '{' + results.join(', ') + '}'; |
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| 143 | }, |
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| 144 | |
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| 145 | toQueryString: function(object) { |
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| 146 | return $H(object).toQueryString(); |
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| 147 | }, |
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| 148 | |
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| 149 | toHTML: function(object) { |
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| 150 | return object && object.toHTML ? object.toHTML() : String.interpret(object); |
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| 151 | }, |
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| 152 | |
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| 153 | keys: function(object) { |
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| 154 | var keys = []; |
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| 155 | for (var property in object) |
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| 156 | keys.push(property); |
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| 157 | return keys; |
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| 158 | }, |
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| 159 | |
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| 160 | values: function(object) { |
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| 161 | var values = []; |
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| 162 | for (var property in object) |
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| 163 | values.push(object[property]); |
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| 164 | return values; |
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| 165 | }, |
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| 166 | |
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| 167 | clone: function(object) { |
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| 168 | return Object.extend({ }, object); |
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| 169 | }, |
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| 170 | |
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| 171 | isElement: function(object) { |
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| 172 | return object && object.nodeType == 1; |
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| 173 | }, |
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| 174 | |
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| 175 | isArray: function(object) { |
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| 176 | return object && object.constructor === Array; |
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| 177 | }, |
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| 178 | |
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| 179 | isHash: function(object) { |
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| 180 | return object instanceof Hash; |
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| 181 | }, |
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| 182 | |
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| 183 | isFunction: function(object) { |
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| 184 | return typeof object == "function"; |
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| 185 | }, |
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| 186 | |
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| 187 | isString: function(object) { |
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| 188 | return typeof object == "string"; |
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| 189 | }, |
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| 190 | |
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| 191 | isNumber: function(object) { |
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| 192 | return typeof object == "number"; |
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| 193 | }, |
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| 194 | |
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| 195 | isUndefined: function(object) { |
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| 196 | return typeof object == "undefined"; |
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| 197 | } |
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| 198 | }); |
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| 199 | |
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| 200 | Object.extend(Function.prototype, { |
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| 201 | argumentNames: function() { |
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| 202 | var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip"); |
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| 203 | return names.length == 1 && !names[0] ? [] : names; |
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| 204 | }, |
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| 205 | |
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| 206 | bind: function() { |
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| 207 | if (arguments.length < 2 && arguments[0] === undefined) return this; |
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| 208 | var __method = this, args = $A(arguments), object = args.shift(); |
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| 209 | return function() { |
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| 210 | return __method.apply(object, args.concat($A(arguments))); |
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| 211 | } |
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| 212 | }, |
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| 213 | |
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| 214 | bindAsEventListener: function() { |
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| 215 | var __method = this, args = $A(arguments), object = args.shift(); |
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| 216 | return function(event) { |
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| 217 | return __method.apply(object, [event || window.event].concat(args)); |
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| 218 | } |
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| 219 | }, |
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| 220 | |
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| 221 | curry: function() { |
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| 222 | if (!arguments.length) return this; |
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| 223 | var __method = this, args = $A(arguments); |
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| 224 | return function() { |
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| 225 | return __method.apply(this, args.concat($A(arguments))); |
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| 226 | } |
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| 227 | }, |
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| 228 | |
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| 229 | delay: function() { |
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| 230 | var __method = this, args = $A(arguments), timeout = args.shift() * 1000; |
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| 231 | return window.setTimeout(function() { |
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| 232 | return __method.apply(__method, args); |
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| 233 | }, timeout); |
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| 234 | }, |
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| 235 | |
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| 236 | wrap: function(wrapper) { |
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| 237 | var __method = this; |
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| 238 | return function() { |
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| 239 | return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); |
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| 240 | } |
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| 241 | }, |
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| 242 | |
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| 243 | methodize: function() { |
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| 244 | if (this._methodized) return this._methodized; |
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| 245 | var __method = this; |
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| 246 | return this._methodized = function() { |
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| 247 | return __method.apply(null, [this].concat($A(arguments))); |
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| 248 | }; |
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| 249 | } |
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| 250 | }); |
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| 251 | |
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| 252 | Function.prototype.defer = Function.prototype.delay.curry(0.01); |
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| 253 | |
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| 254 | Date.prototype.toJSON = function() { |
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| 255 | return '"' + this.getUTCFullYear() + '-' + |
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| 256 | (this.getUTCMonth() + 1).toPaddedString(2) + '-' + |
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| 257 | this.getUTCDate().toPaddedString(2) + 'T' + |
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| 258 | this.getUTCHours().toPaddedString(2) + ':' + |
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| 259 | this.getUTCMinutes().toPaddedString(2) + ':' + |
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| 260 | this.getUTCSeconds().toPaddedString(2) + 'Z"'; |
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| 261 | }; |
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| 262 | |
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| 263 | var Try = { |
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| 264 | these: function() { |
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| 265 | var returnValue; |
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| 266 | |
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| 267 | for (var i = 0, length = arguments.length; i < length; i++) { |
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| 268 | var lambda = arguments[i]; |
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| 269 | try { |
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| 270 | returnValue = lambda(); |
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| 271 | break; |
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| 272 | } catch (e) { } |
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| 273 | } |
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| 274 | |
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| 275 | return returnValue; |
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| 276 | } |
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| 277 | }; |
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| 278 | |
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| 279 | RegExp.prototype.match = RegExp.prototype.test; |
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| 280 | |
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| 281 | RegExp.escape = function(str) { |
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| 282 | return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); |
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| 283 | }; |
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| 284 | |
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| 285 | /*--------------------------------------------------------------------------*/ |
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| 286 | |
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| 287 | var PeriodicalExecuter = Class.create({ |
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| 288 | initialize: function(callback, frequency) { |
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| 289 | this.callback = callback; |
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| 290 | this.frequency = frequency; |
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| 291 | this.currentlyExecuting = false; |
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| 292 | |
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| 293 | this.registerCallback(); |
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| 294 | }, |
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| 295 | |
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| 296 | registerCallback: function() { |
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| 297 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
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| 298 | }, |
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| 299 | |
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| 300 | execute: function() { |
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| 301 | this.callback(this); |
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| 302 | }, |
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| 303 | |
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| 304 | stop: function() { |
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| 305 | if (!this.timer) return; |
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| 306 | clearInterval(this.timer); |
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| 307 | this.timer = null; |
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| 308 | }, |
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| 309 | |
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| 310 | onTimerEvent: function() { |
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| 311 | if (!this.currentlyExecuting) { |
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| 312 | try { |
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| 313 | this.currentlyExecuting = true; |
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| 314 | this.execute(); |
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| 315 | } finally { |
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| 316 | this.currentlyExecuting = false; |
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| 317 | } |
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| 318 | } |
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| 319 | } |
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| 320 | }); |
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| 321 | Object.extend(String, { |
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| 322 | interpret: function(value) { |
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| 323 | return value == null ? '' : String(value); |
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| 324 | }, |
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| 325 | specialChar: { |
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| 326 | '\b': '\\b', |
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| 327 | '\t': '\\t', |
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| 328 | '\n': '\\n', |
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| 329 | '\f': '\\f', |
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| 330 | '\r': '\\r', |
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| 331 | '\\': '\\\\' |
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| 332 | } |
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| 333 | }); |
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| 334 | |
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| 335 | Object.extend(String.prototype, { |
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| 336 | gsub: function(pattern, replacement) { |
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| 337 | var result = '', source = this, match; |
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| 338 | replacement = arguments.callee.prepareReplacement(replacement); |
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| 339 | |
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| 340 | while (source.length > 0) { |
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| 341 | if (match = source.match(pattern)) { |
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| 342 | result += source.slice(0, match.index); |
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| 343 | result += String.interpret(replacement(match)); |
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| 344 | source = source.slice(match.index + match[0].length); |
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| 345 | } else { |
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| 346 | result += source, source = ''; |
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| 347 | } |
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| 348 | } |
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| 349 | return result; |
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| 350 | }, |
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| 351 | |
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| 352 | sub: function(pattern, replacement, count) { |
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| 353 | replacement = this.gsub.prepareReplacement(replacement); |
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| 354 | count = count === undefined ? 1 : count; |
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| 355 | |
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| 356 | return this.gsub(pattern, function(match) { |
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| 357 | if (--count < 0) return match[0]; |
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| 358 | return replacement(match); |
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| 359 | }); |
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| 360 | }, |
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| 361 | |
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| 362 | scan: function(pattern, iterator) { |
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| 363 | this.gsub(pattern, iterator); |
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| 364 | return String(this); |
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| 365 | }, |
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| 366 | |
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| 367 | truncate: function(length, truncation) { |
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| 368 | length = length || 30; |
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| 369 | truncation = truncation === undefined ? '...' : truncation; |
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| 370 | return this.length > length ? |
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| 371 | this.slice(0, length - truncation.length) + truncation : String(this); |
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| 372 | }, |
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| 373 | |
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| 374 | strip: function() { |
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| 375 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
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| 376 | }, |
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| 377 | |
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| 378 | stripTags: function() { |
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| 379 | return this.replace(/<\/?[^>]+>/gi, ''); |
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| 380 | }, |
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| 381 | |
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| 382 | stripScripts: function() { |
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| 383 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
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| 384 | }, |
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| 385 | |
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| 386 | extractScripts: function() { |
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| 387 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
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| 388 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
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| 389 | return (this.match(matchAll) || []).map(function(scriptTag) { |
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| 390 | return (scriptTag.match(matchOne) || ['', ''])[1]; |
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| 391 | }); |
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| 392 | }, |
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| 393 | |
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| 394 | evalScripts: function() { |
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| 395 | return this.extractScripts().map(function(script) { return eval(script) }); |
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| 396 | }, |
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| 397 | |
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| 398 | escapeHTML: function() { |
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| 399 | var self = arguments.callee; |
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| 400 | self.text.data = this; |
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| 401 | return self.div.innerHTML; |
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| 402 | }, |
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| 403 | |
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| 404 | unescapeHTML: function() { |
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| 405 | var div = new Element('div'); |
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| 406 | div.innerHTML = this.stripTags(); |
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| 407 | return div.childNodes[0] ? (div.childNodes.length > 1 ? |
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| 408 | $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : |
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| 409 | div.childNodes[0].nodeValue) : ''; |
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| 410 | }, |
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| 411 | |
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| 412 | toQueryParams: function(separator) { |
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| 413 | var match = this.strip().match(/([^?#]*)(#.*)?$/); |
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| 414 | if (!match) return { }; |
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| 415 | |
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| 416 | return match[1].split(separator || '&').inject({ }, function(hash, pair) { |
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| 417 | if ((pair = pair.split('='))[0]) { |
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| 418 | var key = decodeURIComponent(pair.shift()); |
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| 419 | var value = pair.length > 1 ? pair.join('=') : pair[0]; |
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| 420 | if (value != undefined) value = decodeURIComponent(value); |
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| 421 | |
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| 422 | if (key in hash) { |
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| 423 | if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; |
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| 424 | hash[key].push(value); |
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| 425 | } |
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| 426 | else hash[key] = value; |
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| 427 | } |
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| 428 | return hash; |
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| 429 | }); |
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| 430 | }, |
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| 431 | |
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| 432 | toArray: function() { |
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| 433 | return this.split(''); |
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| 434 | }, |
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| 435 | |
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| 436 | succ: function() { |
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| 437 | return this.slice(0, this.length - 1) + |
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| 438 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
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| 439 | }, |
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| 440 | |
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| 441 | times: function(count) { |
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| 442 | return count < 1 ? '' : new Array(count + 1).join(this); |
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| 443 | }, |
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| 444 | |
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| 445 | camelize: function() { |
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| 446 | var parts = this.split('-'), len = parts.length; |
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| 447 | if (len == 1) return parts[0]; |
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| 448 | |
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| 449 | var camelized = this.charAt(0) == '-' |
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| 450 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
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| 451 | : parts[0]; |
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| 452 | |
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| 453 | for (var i = 1; i < len; i++) |
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| 454 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
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| 455 | |
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| 456 | return camelized; |
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| 457 | }, |
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| 458 | |
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| 459 | capitalize: function() { |
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| 460 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
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| 461 | }, |
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| 462 | |
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| 463 | underscore: function() { |
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| 464 | return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); |
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| 465 | }, |
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| 466 | |
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| 467 | dasherize: function() { |
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| 468 | return this.gsub(/_/,'-'); |
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| 469 | }, |
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| 470 | |
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| 471 | inspect: function(useDoubleQuotes) { |
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| 472 | var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { |
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| 473 | var character = String.specialChar[match[0]]; |
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| 474 | return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); |
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| 475 | }); |
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| 476 | if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
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| 477 | return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
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| 478 | }, |
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| 479 | |
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| 480 | toJSON: function() { |
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| 481 | return this.inspect(true); |
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| 482 | }, |
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| 483 | |
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| 484 | unfilterJSON: function(filter) { |
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| 485 | return this.sub(filter || Prototype.JSONFilter, '#{1}'); |
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| 486 | }, |
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| 487 | |
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| 488 | isJSON: function() { |
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| 489 | var str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); |
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| 490 | return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); |
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| 491 | }, |
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| 492 | |
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| 493 | evalJSON: function(sanitize) { |
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| 494 | var json = this.unfilterJSON(); |
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| 495 | try { |
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| 496 | if (!sanitize || json.isJSON()) return eval('(' + json + ')'); |
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| 497 | } catch (e) { } |
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| 498 | throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); |
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| 499 | }, |
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| 500 | |
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| 501 | include: function(pattern) { |
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| 502 | return this.indexOf(pattern) > -1; |
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| 503 | }, |
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| 504 | |
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| 505 | startsWith: function(pattern) { |
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| 506 | return this.indexOf(pattern) === 0; |
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| 507 | }, |
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| 508 | |
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| 509 | endsWith: function(pattern) { |
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| 510 | var d = this.length - pattern.length; |
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| 511 | return d >= 0 && this.lastIndexOf(pattern) === d; |
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| 512 | }, |
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| 513 | |
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| 514 | empty: function() { |
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| 515 | return this == ''; |
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| 516 | }, |
---|
| 517 | |
---|
| 518 | blank: function() { |
---|
| 519 | return /^\s*$/.test(this); |
---|
| 520 | }, |
---|
| 521 | |
---|
| 522 | interpolate: function(object, pattern) { |
---|
| 523 | return new Template(this, pattern).evaluate(object); |
---|
| 524 | } |
---|
| 525 | }); |
---|
| 526 | |
---|
| 527 | if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { |
---|
| 528 | escapeHTML: function() { |
---|
| 529 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
---|
| 530 | }, |
---|
| 531 | unescapeHTML: function() { |
---|
| 532 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
---|
| 533 | } |
---|
| 534 | }); |
---|
| 535 | |
---|
| 536 | String.prototype.gsub.prepareReplacement = function(replacement) { |
---|
| 537 | if (Object.isFunction(replacement)) return replacement; |
---|
| 538 | var template = new Template(replacement); |
---|
| 539 | return function(match) { return template.evaluate(match) }; |
---|
| 540 | }; |
---|
| 541 | |
---|
| 542 | String.prototype.parseQuery = String.prototype.toQueryParams; |
---|
| 543 | |
---|
| 544 | Object.extend(String.prototype.escapeHTML, { |
---|
| 545 | div: document.createElement('div'), |
---|
| 546 | text: document.createTextNode('') |
---|
| 547 | }); |
---|
| 548 | |
---|
| 549 | with (String.prototype.escapeHTML) div.appendChild(text); |
---|
| 550 | |
---|
| 551 | var Template = Class.create({ |
---|
| 552 | initialize: function(template, pattern) { |
---|
| 553 | this.template = template.toString(); |
---|
| 554 | this.pattern = pattern || Template.Pattern; |
---|
| 555 | }, |
---|
| 556 | |
---|
| 557 | evaluate: function(object) { |
---|
| 558 | if (Object.isFunction(object.toTemplateReplacements)) |
---|
| 559 | object = object.toTemplateReplacements(); |
---|
| 560 | |
---|
| 561 | return this.template.gsub(this.pattern, function(match) { |
---|
| 562 | if (object == null) return ''; |
---|
| 563 | |
---|
| 564 | var before = match[1] || ''; |
---|
| 565 | if (before == '\\') return match[2]; |
---|
| 566 | |
---|
| 567 | var ctx = object, expr = match[3]; |
---|
| 568 | var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/, match = pattern.exec(expr); |
---|
| 569 | if (match == null) return before; |
---|
| 570 | |
---|
| 571 | while (match != null) { |
---|
| 572 | var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1]; |
---|
| 573 | ctx = ctx[comp]; |
---|
| 574 | if (null == ctx || '' == match[3]) break; |
---|
| 575 | expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); |
---|
| 576 | match = pattern.exec(expr); |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | return before + String.interpret(ctx); |
---|
| 580 | }.bind(this)); |
---|
| 581 | } |
---|
| 582 | }); |
---|
| 583 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
---|
| 584 | |
---|
| 585 | var $break = { }; |
---|
| 586 | |
---|
| 587 | var Enumerable = { |
---|
| 588 | each: function(iterator, context) { |
---|
| 589 | var index = 0; |
---|
| 590 | iterator = iterator.bind(context); |
---|
| 591 | try { |
---|
| 592 | this._each(function(value) { |
---|
| 593 | iterator(value, index++); |
---|
| 594 | }); |
---|
| 595 | } catch (e) { |
---|
| 596 | if (e != $break) throw e; |
---|
| 597 | } |
---|
| 598 | return this; |
---|
| 599 | }, |
---|
| 600 | |
---|
| 601 | eachSlice: function(number, iterator, context) { |
---|
| 602 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
---|
| 603 | var index = -number, slices = [], array = this.toArray(); |
---|
| 604 | while ((index += number) < array.length) |
---|
| 605 | slices.push(array.slice(index, index+number)); |
---|
| 606 | return slices.collect(iterator, context); |
---|
| 607 | }, |
---|
| 608 | |
---|
| 609 | all: function(iterator, context) { |
---|
| 610 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
---|
| 611 | var result = true; |
---|
| 612 | this.each(function(value, index) { |
---|
| 613 | result = result && !!iterator(value, index); |
---|
| 614 | if (!result) throw $break; |
---|
| 615 | }); |
---|
| 616 | return result; |
---|
| 617 | }, |
---|
| 618 | |
---|
| 619 | any: function(iterator, context) { |
---|
| 620 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
---|
| 621 | var result = false; |
---|
| 622 | this.each(function(value, index) { |
---|
| 623 | if (result = !!iterator(value, index)) |
---|
| 624 | throw $break; |
---|
| 625 | }); |
---|
| 626 | return result; |
---|
| 627 | }, |
---|
| 628 | |
---|
| 629 | collect: function(iterator, context) { |
---|
| 630 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
---|
| 631 | var results = []; |
---|
| 632 | this.each(function(value, index) { |
---|
| 633 | results.push(iterator(value, index)); |
---|
| 634 | }); |
---|
| 635 | return results; |
---|
| 636 | }, |
---|
| 637 | |
---|
| 638 | detect: function(iterator, context) { |
---|
| 639 | iterator = iterator.bind(context); |
---|
| 640 | var result; |
---|
| 641 | this.each(function(value, index) { |
---|
| 642 | if (iterator(value, index)) { |
---|
| 643 | result = value; |
---|
| 644 | throw $break; |
---|
| 645 | } |
---|
| 646 | }); |
---|
| 647 | return result; |
---|
| 648 | }, |
---|
| 649 | |
---|
| 650 | findAll: function(iterator, context) { |
---|
| 651 | iterator = iterator.bind(context); |
---|
| 652 | var results = []; |
---|
| 653 | this.each(function(value, index) { |
---|
| 654 | if (iterator(value, index)) |
---|
| 655 | results.push(value); |
---|
| 656 | }); |
---|
| 657 | return results; |
---|
| 658 | }, |
---|
| 659 | |
---|
| 660 | grep: function(filter, iterator, context) { |
---|
| 661 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
---|
| 662 | var results = []; |
---|
| 663 | |
---|
| 664 | if (Object.isString(filter)) |
---|
| 665 | filter = new RegExp(filter); |
---|
| 666 | |
---|
| 667 | this.each(function(value, index) { |
---|
| 668 | if (filter.match(value)) |
---|
| 669 | results.push(iterator(value, index)); |
---|
| 670 | }); |
---|
| 671 | return results; |
---|
| 672 | }, |
---|
| 673 | |
---|
| 674 | include: function(object) { |
---|
| 675 | if (Object.isFunction(this.indexOf)) |
---|
| 676 | if (this.indexOf(object) != -1) return true; |
---|
| 677 | |
---|
| 678 | var found = false; |
---|
| 679 | this.each(function(value) { |
---|
| 680 | if (value == object) { |
---|
| 681 | found = true; |
---|
| 682 | throw $break; |
---|
| 683 | } |
---|
| 684 | }); |
---|
| 685 | return found; |
---|
| 686 | }, |
---|
| 687 | |
---|
| 688 | inGroupsOf: function(number, fillWith) { |
---|
| 689 | fillWith = fillWith === undefined ? null : fillWith; |
---|
| 690 | return this.eachSlice(number, function(slice) { |
---|
| 691 | while(slice.length < number) slice.push(fillWith); |
---|
| 692 | return slice; |
---|
| 693 | }); |
---|
| 694 | }, |
---|
| 695 | |
---|
| 696 | inject: function(memo, iterator, context) { |
---|
| 697 | iterator = iterator.bind(context); |
---|
| 698 | this.each(function(value, index) { |
---|
| 699 | memo = iterator(memo, value, index); |
---|
| 700 | }); |
---|
| 701 | return memo; |
---|
| 702 | }, |
---|
| 703 | |
---|
| 704 | invoke: function(method) { |
---|
| 705 | var args = $A(arguments).slice(1); |
---|
| 706 | return this.map(function(value) { |
---|
| 707 | return value[method].apply(value, args); |
---|
| 708 | }); |
---|
| 709 | }, |
---|
| 710 | |
---|
| 711 | max: function(iterator, context) { |
---|
| 712 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
---|
| 713 | var result; |
---|
| 714 | this.each(function(value, index) { |
---|
| 715 | value = iterator(value, index); |
---|
| 716 | if (result == undefined || value >= result) |
---|
| 717 | result = value; |
---|
| 718 | }); |
---|
| 719 | return result; |
---|
| 720 | }, |
---|
| 721 | |
---|
| 722 | min: function(iterator, context) { |
---|
| 723 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
---|
| 724 | var result; |
---|
| 725 | this.each(function(value, index) { |
---|
| 726 | value = iterator(value, index); |
---|
| 727 | if (result == undefined || value < result) |
---|
| 728 | result = value; |
---|
| 729 | }); |
---|
| 730 | return result; |
---|
| 731 | }, |
---|
| 732 | |
---|
| 733 | partition: function(iterator, context) { |
---|
| 734 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
---|
| 735 | var trues = [], falses = []; |
---|
| 736 | this.each(function(value, index) { |
---|
| 737 | (iterator(value, index) ? |
---|
| 738 | trues : falses).push(value); |
---|
| 739 | }); |
---|
| 740 | return [trues, falses]; |
---|
| 741 | }, |
---|
| 742 | |
---|
| 743 | pluck: function(property) { |
---|
| 744 | var results = []; |
---|
| 745 | this.each(function(value) { |
---|
| 746 | results.push(value[property]); |
---|
| 747 | }); |
---|
| 748 | return results; |
---|
| 749 | }, |
---|
| 750 | |
---|
| 751 | reject: function(iterator, context) { |
---|
| 752 | iterator = iterator.bind(context); |
---|
| 753 | var results = []; |
---|
| 754 | this.each(function(value, index) { |
---|
| 755 | if (!iterator(value, index)) |
---|
| 756 | results.push(value); |
---|
| 757 | }); |
---|
| 758 | return results; |
---|
| 759 | }, |
---|
| 760 | |
---|
| 761 | sortBy: function(iterator, context) { |
---|
| 762 | iterator = iterator.bind(context); |
---|
| 763 | return this.map(function(value, index) { |
---|
| 764 | return {value: value, criteria: iterator(value, index)}; |
---|
| 765 | }).sort(function(left, right) { |
---|
| 766 | var a = left.criteria, b = right.criteria; |
---|
| 767 | return a < b ? -1 : a > b ? 1 : 0; |
---|
| 768 | }).pluck('value'); |
---|
| 769 | }, |
---|
| 770 | |
---|
| 771 | toArray: function() { |
---|
| 772 | return this.map(); |
---|
| 773 | }, |
---|
| 774 | |
---|
| 775 | zip: function() { |
---|
| 776 | var iterator = Prototype.K, args = $A(arguments); |
---|
| 777 | if (Object.isFunction(args.last())) |
---|
| 778 | iterator = args.pop(); |
---|
| 779 | |
---|
| 780 | var collections = [this].concat(args).map($A); |
---|
| 781 | return this.map(function(value, index) { |
---|
| 782 | return iterator(collections.pluck(index)); |
---|
| 783 | }); |
---|
| 784 | }, |
---|
| 785 | |
---|
| 786 | size: function() { |
---|
| 787 | return this.toArray().length; |
---|
| 788 | }, |
---|
| 789 | |
---|
| 790 | inspect: function() { |
---|
| 791 | return '#<Enumerable:' + this.toArray().inspect() + '>'; |
---|
| 792 | } |
---|
| 793 | }; |
---|
| 794 | |
---|
| 795 | Object.extend(Enumerable, { |
---|
| 796 | map: Enumerable.collect, |
---|
| 797 | find: Enumerable.detect, |
---|
| 798 | select: Enumerable.findAll, |
---|
| 799 | filter: Enumerable.findAll, |
---|
| 800 | member: Enumerable.include, |
---|
| 801 | entries: Enumerable.toArray, |
---|
| 802 | every: Enumerable.all, |
---|
| 803 | some: Enumerable.any |
---|
| 804 | }); |
---|
| 805 | function $A(iterable) { |
---|
| 806 | if (!iterable) return []; |
---|
| 807 | if (iterable.toArray) return iterable.toArray(); |
---|
| 808 | var length = iterable.length, results = new Array(length); |
---|
| 809 | while (length--) results[length] = iterable[length]; |
---|
| 810 | return results; |
---|
| 811 | } |
---|
| 812 | |
---|
| 813 | if (Prototype.Browser.WebKit) { |
---|
| 814 | function $A(iterable) { |
---|
| 815 | if (!iterable) return []; |
---|
| 816 | if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') && |
---|
| 817 | iterable.toArray) return iterable.toArray(); |
---|
| 818 | var length = iterable.length, results = new Array(length); |
---|
| 819 | while (length--) results[length] = iterable[length]; |
---|
| 820 | return results; |
---|
| 821 | } |
---|
| 822 | } |
---|
| 823 | |
---|
| 824 | Array.from = $A; |
---|
| 825 | |
---|
| 826 | Object.extend(Array.prototype, Enumerable); |
---|
| 827 | |
---|
| 828 | if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse; |
---|
| 829 | |
---|
| 830 | Object.extend(Array.prototype, { |
---|
| 831 | _each: function(iterator) { |
---|
| 832 | for (var i = 0, length = this.length; i < length; i++) |
---|
| 833 | iterator(this[i]); |
---|
| 834 | }, |
---|
| 835 | |
---|
| 836 | clear: function() { |
---|
| 837 | this.length = 0; |
---|
| 838 | return this; |
---|
| 839 | }, |
---|
| 840 | |
---|
| 841 | first: function() { |
---|
| 842 | return this[0]; |
---|
| 843 | }, |
---|
| 844 | |
---|
| 845 | last: function() { |
---|
| 846 | return this[this.length - 1]; |
---|
| 847 | }, |
---|
| 848 | |
---|
| 849 | compact: function() { |
---|
| 850 | return this.select(function(value) { |
---|
| 851 | return value != null; |
---|
| 852 | }); |
---|
| 853 | }, |
---|
| 854 | |
---|
| 855 | flatten: function() { |
---|
| 856 | return this.inject([], function(array, value) { |
---|
| 857 | return array.concat(Object.isArray(value) ? |
---|
| 858 | value.flatten() : [value]); |
---|
| 859 | }); |
---|
| 860 | }, |
---|
| 861 | |
---|
| 862 | without: function() { |
---|
| 863 | var values = $A(arguments); |
---|
| 864 | return this.select(function(value) { |
---|
| 865 | return !values.include(value); |
---|
| 866 | }); |
---|
| 867 | }, |
---|
| 868 | |
---|
| 869 | reverse: function(inline) { |
---|
| 870 | return (inline !== false ? this : this.toArray())._reverse(); |
---|
| 871 | }, |
---|
| 872 | |
---|
| 873 | reduce: function() { |
---|
| 874 | return this.length > 1 ? this : this[0]; |
---|
| 875 | }, |
---|
| 876 | |
---|
| 877 | uniq: function(sorted) { |
---|
| 878 | return this.inject([], function(array, value, index) { |
---|
| 879 | if (0 == index || (sorted ? array.last() != value : !array.include(value))) |
---|
| 880 | array.push(value); |
---|
| 881 | return array; |
---|
| 882 | }); |
---|
| 883 | }, |
---|
| 884 | |
---|
| 885 | intersect: function(array) { |
---|
| 886 | return this.uniq().findAll(function(item) { |
---|
| 887 | return array.detect(function(value) { return item === value }); |
---|
| 888 | }); |
---|
| 889 | }, |
---|
| 890 | |
---|
| 891 | clone: function() { |
---|
| 892 | return [].concat(this); |
---|
| 893 | }, |
---|
| 894 | |
---|
| 895 | size: function() { |
---|
| 896 | return this.length; |
---|
| 897 | }, |
---|
| 898 | |
---|
| 899 | inspect: function() { |
---|
| 900 | return '[' + this.map(Object.inspect).join(', ') + ']'; |
---|
| 901 | }, |
---|
| 902 | |
---|
| 903 | toJSON: function() { |
---|
| 904 | var results = []; |
---|
| 905 | this.each(function(object) { |
---|
| 906 | var value = Object.toJSON(object); |
---|
| 907 | if (value !== undefined) results.push(value); |
---|
| 908 | }); |
---|
| 909 | return '[' + results.join(', ') + ']'; |
---|
| 910 | } |
---|
| 911 | }); |
---|
| 912 | |
---|
| 913 | // use native browser JS 1.6 implementation if available |
---|
| 914 | if (Object.isFunction(Array.prototype.forEach)) |
---|
| 915 | Array.prototype._each = Array.prototype.forEach; |
---|
| 916 | |
---|
| 917 | if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) { |
---|
| 918 | i || (i = 0); |
---|
| 919 | var length = this.length; |
---|
| 920 | if (i < 0) i = length + i; |
---|
| 921 | for (; i < length; i++) |
---|
| 922 | if (this[i] === item) return i; |
---|
| 923 | return -1; |
---|
| 924 | }; |
---|
| 925 | |
---|
| 926 | if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) { |
---|
| 927 | i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; |
---|
| 928 | var n = this.slice(0, i).reverse().indexOf(item); |
---|
| 929 | return (n < 0) ? n : i - n - 1; |
---|
| 930 | }; |
---|
| 931 | |
---|
| 932 | Array.prototype.toArray = Array.prototype.clone; |
---|
| 933 | |
---|
| 934 | function $w(string) { |
---|
| 935 | if (!Object.isString(string)) return []; |
---|
| 936 | string = string.strip(); |
---|
| 937 | return string ? string.split(/\s+/) : []; |
---|
| 938 | } |
---|
| 939 | |
---|
| 940 | if (Prototype.Browser.Opera){ |
---|
| 941 | Array.prototype.concat = function() { |
---|
| 942 | var array = []; |
---|
| 943 | for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
---|
| 944 | for (var i = 0, length = arguments.length; i < length; i++) { |
---|
| 945 | if (Object.isArray(arguments[i])) { |
---|
| 946 | for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) |
---|
| 947 | array.push(arguments[i][j]); |
---|
| 948 | } else { |
---|
| 949 | array.push(arguments[i]); |
---|
| 950 | } |
---|
| 951 | } |
---|
| 952 | return array; |
---|
| 953 | }; |
---|
| 954 | } |
---|
| 955 | Object.extend(Number.prototype, { |
---|
| 956 | toColorPart: function() { |
---|
| 957 | return this.toPaddedString(2, 16); |
---|
| 958 | }, |
---|
| 959 | |
---|
| 960 | succ: function() { |
---|
| 961 | return this + 1; |
---|
| 962 | }, |
---|
| 963 | |
---|
| 964 | times: function(iterator) { |
---|
| 965 | $R(0, this, true).each(iterator); |
---|
| 966 | return this; |
---|
| 967 | }, |
---|
| 968 | |
---|
| 969 | toPaddedString: function(length, radix) { |
---|
| 970 | var string = this.toString(radix || 10); |
---|
| 971 | return '0'.times(length - string.length) + string; |
---|
| 972 | }, |
---|
| 973 | |
---|
| 974 | toJSON: function() { |
---|
| 975 | return isFinite(this) ? this.toString() : 'null'; |
---|
| 976 | } |
---|
| 977 | }); |
---|
| 978 | |
---|
| 979 | $w('abs round ceil floor').each(function(method){ |
---|
| 980 | Number.prototype[method] = Math[method].methodize(); |
---|
| 981 | }); |
---|
| 982 | function $H(object) { |
---|
| 983 | return new Hash(object); |
---|
| 984 | }; |
---|
| 985 | |
---|
| 986 | var Hash = Class.create(Enumerable, (function() { |
---|
| 987 | if (function() { |
---|
| 988 | var i = 0, Test = function(value) { this.key = value }; |
---|
| 989 | Test.prototype.key = 'foo'; |
---|
| 990 | for (var property in new Test('bar')) i++; |
---|
| 991 | return i > 1; |
---|
| 992 | }()) { |
---|
| 993 | function each(iterator) { |
---|
| 994 | var cache = []; |
---|
| 995 | for (var key in this._object) { |
---|
| 996 | var value = this._object[key]; |
---|
| 997 | if (cache.include(key)) continue; |
---|
| 998 | cache.push(key); |
---|
| 999 | var pair = [key, value]; |
---|
| 1000 | pair.key = key; |
---|
| 1001 | pair.value = value; |
---|
| 1002 | iterator(pair); |
---|
| 1003 | } |
---|
| 1004 | } |
---|
| 1005 | } else { |
---|
| 1006 | function each(iterator) { |
---|
| 1007 | for (var key in this._object) { |
---|
| 1008 | var value = this._object[key], pair = [key, value]; |
---|
| 1009 | pair.key = key; |
---|
| 1010 | pair.value = value; |
---|
| 1011 | iterator(pair); |
---|
| 1012 | } |
---|
| 1013 | } |
---|
| 1014 | } |
---|
| 1015 | |
---|
| 1016 | function toQueryPair(key, value) { |
---|
| 1017 | if (Object.isUndefined(value)) return key; |
---|
| 1018 | return key + '=' + encodeURIComponent(String.interpret(value)); |
---|
| 1019 | } |
---|
| 1020 | |
---|
| 1021 | return { |
---|
| 1022 | initialize: function(object) { |
---|
| 1023 | this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); |
---|
| 1024 | }, |
---|
| 1025 | |
---|
| 1026 | _each: each, |
---|
| 1027 | |
---|
| 1028 | set: function(key, value) { |
---|
| 1029 | return this._object[key] = value; |
---|
| 1030 | }, |
---|
| 1031 | |
---|
| 1032 | get: function(key) { |
---|
| 1033 | return this._object[key]; |
---|
| 1034 | }, |
---|
| 1035 | |
---|
| 1036 | unset: function(key) { |
---|
| 1037 | var value = this._object[key]; |
---|
| 1038 | delete this._object[key]; |
---|
| 1039 | return value; |
---|
| 1040 | }, |
---|
| 1041 | |
---|
| 1042 | toObject: function() { |
---|
| 1043 | return Object.clone(this._object); |
---|
| 1044 | }, |
---|
| 1045 | |
---|
| 1046 | keys: function() { |
---|
| 1047 | return this.pluck('key'); |
---|
| 1048 | }, |
---|
| 1049 | |
---|
| 1050 | values: function() { |
---|
| 1051 | return this.pluck('value'); |
---|
| 1052 | }, |
---|
| 1053 | |
---|
| 1054 | index: function(value) { |
---|
| 1055 | var match = this.detect(function(pair) { |
---|
| 1056 | return pair.value === value; |
---|
| 1057 | }); |
---|
| 1058 | return match && match.key; |
---|
| 1059 | }, |
---|
| 1060 | |
---|
| 1061 | merge: function(object) { |
---|
| 1062 | return this.clone().update(object); |
---|
| 1063 | }, |
---|
| 1064 | |
---|
| 1065 | update: function(object) { |
---|
| 1066 | return new Hash(object).inject(this, function(result, pair) { |
---|
| 1067 | result.set(pair.key, pair.value); |
---|
| 1068 | return result; |
---|
| 1069 | }); |
---|
| 1070 | }, |
---|
| 1071 | |
---|
| 1072 | toQueryString: function() { |
---|
| 1073 | return this.map(function(pair) { |
---|
| 1074 | var key = encodeURIComponent(pair.key), values = pair.value; |
---|
| 1075 | |
---|
| 1076 | if (values && typeof values == 'object') { |
---|
| 1077 | if (Object.isArray(values)) |
---|
| 1078 | return values.map(toQueryPair.curry(key)).join('&'); |
---|
| 1079 | } |
---|
| 1080 | return toQueryPair(key, values); |
---|
| 1081 | }).join('&'); |
---|
| 1082 | }, |
---|
| 1083 | |
---|
| 1084 | inspect: function() { |
---|
| 1085 | return '#<Hash:{' + this.map(function(pair) { |
---|
| 1086 | return pair.map(Object.inspect).join(': '); |
---|
| 1087 | }).join(', ') + '}>'; |
---|
| 1088 | }, |
---|
| 1089 | |
---|
| 1090 | toJSON: function() { |
---|
| 1091 | return Object.toJSON(this.toObject()); |
---|
| 1092 | }, |
---|
| 1093 | |
---|
| 1094 | clone: function() { |
---|
| 1095 | return new Hash(this); |
---|
| 1096 | } |
---|
| 1097 | } |
---|
| 1098 | })()); |
---|
| 1099 | |
---|
| 1100 | Hash.prototype.toTemplateReplacements = Hash.prototype.toObject; |
---|
| 1101 | Hash.from = $H; |
---|
| 1102 | var ObjectRange = Class.create(Enumerable, { |
---|
| 1103 | initialize: function(start, end, exclusive) { |
---|
| 1104 | this.start = start; |
---|
| 1105 | this.end = end; |
---|
| 1106 | this.exclusive = exclusive; |
---|
| 1107 | }, |
---|
| 1108 | |
---|
| 1109 | _each: function(iterator) { |
---|
| 1110 | var value = this.start; |
---|
| 1111 | while (this.include(value)) { |
---|
| 1112 | iterator(value); |
---|
| 1113 | value = value.succ(); |
---|
| 1114 | } |
---|
| 1115 | }, |
---|
| 1116 | |
---|
| 1117 | include: function(value) { |
---|
| 1118 | if (value < this.start) |
---|
| 1119 | return false; |
---|
| 1120 | if (this.exclusive) |
---|
| 1121 | return value < this.end; |
---|
| 1122 | return value <= this.end; |
---|
| 1123 | } |
---|
| 1124 | }); |
---|
| 1125 | |
---|
| 1126 | var $R = function(start, end, exclusive) { |
---|
| 1127 | return new ObjectRange(start, end, exclusive); |
---|
| 1128 | }; |
---|
| 1129 | |
---|
| 1130 | var Ajax = { |
---|
| 1131 | getTransport: function() { |
---|
| 1132 | return Try.these( |
---|
| 1133 | function() {return new XMLHttpRequest()}, |
---|
| 1134 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
---|
| 1135 | function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
---|
| 1136 | ) || false; |
---|
| 1137 | }, |
---|
| 1138 | |
---|
| 1139 | activeRequestCount: 0 |
---|
| 1140 | }; |
---|
| 1141 | |
---|
| 1142 | Ajax.Responders = { |
---|
| 1143 | responders: [], |
---|
| 1144 | |
---|
| 1145 | _each: function(iterator) { |
---|
| 1146 | this.responders._each(iterator); |
---|
| 1147 | }, |
---|
| 1148 | |
---|
| 1149 | register: function(responder) { |
---|
| 1150 | if (!this.include(responder)) |
---|
| 1151 | this.responders.push(responder); |
---|
| 1152 | }, |
---|
| 1153 | |
---|
| 1154 | unregister: function(responder) { |
---|
| 1155 | this.responders = this.responders.without(responder); |
---|
| 1156 | }, |
---|
| 1157 | |
---|
| 1158 | dispatch: function(callback, request, transport, json) { |
---|
| 1159 | this.each(function(responder) { |
---|
| 1160 | if (Object.isFunction(responder[callback])) { |
---|
| 1161 | try { |
---|
| 1162 | responder[callback].apply(responder, [request, transport, json]); |
---|
| 1163 | } catch (e) { } |
---|
| 1164 | } |
---|
| 1165 | }); |
---|
| 1166 | } |
---|
| 1167 | }; |
---|
| 1168 | |
---|
| 1169 | Object.extend(Ajax.Responders, Enumerable); |
---|
| 1170 | |
---|
| 1171 | Ajax.Responders.register({ |
---|
| 1172 | onCreate: function() { Ajax.activeRequestCount++ }, |
---|
| 1173 | onComplete: function() { Ajax.activeRequestCount-- } |
---|
| 1174 | }); |
---|
| 1175 | |
---|
| 1176 | Ajax.Base = Class.create({ |
---|
| 1177 | initialize: function(options) { |
---|
| 1178 | this.options = { |
---|
| 1179 | method: 'post', |
---|
| 1180 | asynchronous: true, |
---|
| 1181 | contentType: 'application/x-www-form-urlencoded', |
---|
| 1182 | encoding: 'UTF-8', |
---|
| 1183 | parameters: '', |
---|
| 1184 | evalJSON: true, |
---|
| 1185 | evalJS: true |
---|
| 1186 | }; |
---|
| 1187 | Object.extend(this.options, options || { }); |
---|
| 1188 | |
---|
| 1189 | this.options.method = this.options.method.toLowerCase(); |
---|
| 1190 | if (Object.isString(this.options.parameters)) |
---|
| 1191 | this.options.parameters = this.options.parameters.toQueryParams(); |
---|
| 1192 | } |
---|
| 1193 | }); |
---|
| 1194 | |
---|
| 1195 | Ajax.Request = Class.create(Ajax.Base, { |
---|
| 1196 | _complete: false, |
---|
| 1197 | |
---|
| 1198 | initialize: function($super, url, options) { |
---|
| 1199 | $super(options); |
---|
| 1200 | this.transport = Ajax.getTransport(); |
---|
| 1201 | this.request(url); |
---|
| 1202 | }, |
---|
| 1203 | |
---|
| 1204 | request: function(url) { |
---|
| 1205 | this.url = url; |
---|
| 1206 | this.method = this.options.method; |
---|
| 1207 | var params = Object.clone(this.options.parameters); |
---|
| 1208 | |
---|
| 1209 | if (!['get', 'post'].include(this.method)) { |
---|
| 1210 | // simulate other verbs over post |
---|
| 1211 | params['_method'] = this.method; |
---|
| 1212 | this.method = 'post'; |
---|
| 1213 | } |
---|
| 1214 | |
---|
| 1215 | this.parameters = params; |
---|
| 1216 | |
---|
| 1217 | if (params = Object.toQueryString(params)) { |
---|
| 1218 | // when GET, append parameters to URL |
---|
| 1219 | if (this.method == 'get') |
---|
| 1220 | this.url += (this.url.include('?') ? '&' : '?') + params; |
---|
| 1221 | else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
---|
| 1222 | params += '&_='; |
---|
| 1223 | } |
---|
| 1224 | |
---|
| 1225 | try { |
---|
| 1226 | var response = new Ajax.Response(this); |
---|
| 1227 | if (this.options.onCreate) this.options.onCreate(response); |
---|
| 1228 | Ajax.Responders.dispatch('onCreate', this, response); |
---|
| 1229 | |
---|
| 1230 | this.transport.open(this.method.toUpperCase(), this.url, |
---|
| 1231 | this.options.asynchronous); |
---|
| 1232 | |
---|
| 1233 | if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1); |
---|
| 1234 | |
---|
| 1235 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
---|
| 1236 | this.setRequestHeaders(); |
---|
| 1237 | |
---|
| 1238 | this.body = this.method == 'post' ? (this.options.postBody || params) : null; |
---|
| 1239 | this.transport.send(this.body); |
---|
| 1240 | |
---|
| 1241 | /* Force Firefox to handle ready state 4 for synchronous requests */ |
---|
| 1242 | if (!this.options.asynchronous && this.transport.overrideMimeType) |
---|
| 1243 | this.onStateChange(); |
---|
| 1244 | |
---|
| 1245 | } |
---|
| 1246 | catch (e) { |
---|
| 1247 | this.dispatchException(e); |
---|
| 1248 | } |
---|
| 1249 | }, |
---|
| 1250 | |
---|
| 1251 | onStateChange: function() { |
---|
| 1252 | var readyState = this.transport.readyState; |
---|
| 1253 | if (readyState > 1 && !((readyState == 4) && this._complete)) |
---|
| 1254 | this.respondToReadyState(this.transport.readyState); |
---|
| 1255 | }, |
---|
| 1256 | |
---|
| 1257 | setRequestHeaders: function() { |
---|
| 1258 | var headers = { |
---|
| 1259 | 'X-Requested-With': 'XMLHttpRequest', |
---|
| 1260 | 'X-Prototype-Version': Prototype.Version, |
---|
| 1261 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
---|
| 1262 | }; |
---|
| 1263 | |
---|
| 1264 | if (this.method == 'post') { |
---|
| 1265 | headers['Content-type'] = this.options.contentType + |
---|
| 1266 | (this.options.encoding ? '; charset=' + this.options.encoding : ''); |
---|
| 1267 | |
---|
| 1268 | /* Force "Connection: close" for older Mozilla browsers to work |
---|
| 1269 | * around a bug where XMLHttpRequest sends an incorrect |
---|
| 1270 | * Content-length header. See Mozilla Bugzilla #246651. |
---|
| 1271 | */ |
---|
| 1272 | if (this.transport.overrideMimeType && |
---|
| 1273 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
---|
| 1274 | headers['Connection'] = 'close'; |
---|
| 1275 | } |
---|
| 1276 | |
---|
| 1277 | // user-defined headers |
---|
| 1278 | if (typeof this.options.requestHeaders == 'object') { |
---|
| 1279 | var extras = this.options.requestHeaders; |
---|
| 1280 | |
---|
| 1281 | if (Object.isFunction(extras.push)) |
---|
| 1282 | for (var i = 0, length = extras.length; i < length; i += 2) |
---|
| 1283 | headers[extras[i]] = extras[i+1]; |
---|
| 1284 | else |
---|
| 1285 | $H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
---|
| 1286 | } |
---|
| 1287 | |
---|
| 1288 | for (var name in headers) |
---|
| 1289 | this.transport.setRequestHeader(name, headers[name]); |
---|
| 1290 | }, |
---|
| 1291 | |
---|
| 1292 | success: function() { |
---|
| 1293 | var status = this.getStatus(); |
---|
| 1294 | return !status || (status >= 200 && status < 300); |
---|
| 1295 | }, |
---|
| 1296 | |
---|
| 1297 | getStatus: function() { |
---|
| 1298 | try { |
---|
| 1299 | return this.transport.status || 0; |
---|
| 1300 | } catch (e) { return 0 } |
---|
| 1301 | }, |
---|
| 1302 | |
---|
| 1303 | respondToReadyState: function(readyState) { |
---|
| 1304 | var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); |
---|
| 1305 | |
---|
| 1306 | if (state == 'Complete') { |
---|
| 1307 | try { |
---|
| 1308 | this._complete = true; |
---|
| 1309 | (this.options['on' + response.status] |
---|
| 1310 | || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
---|
| 1311 | || Prototype.emptyFunction)(response, response.headerJSON); |
---|
| 1312 | } catch (e) { |
---|
| 1313 | this.dispatchException(e); |
---|
| 1314 | } |
---|
| 1315 | |
---|
| 1316 | var contentType = response.getHeader('Content-type'); |
---|
| 1317 | if (this.options.evalJS == 'force' |
---|
| 1318 | || (this.options.evalJS && contentType |
---|
| 1319 | && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) |
---|
| 1320 | this.evalResponse(); |
---|
| 1321 | } |
---|
| 1322 | |
---|
| 1323 | try { |
---|
| 1324 | (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); |
---|
| 1325 | Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); |
---|
| 1326 | } catch (e) { |
---|
| 1327 | this.dispatchException(e); |
---|
| 1328 | } |
---|
| 1329 | |
---|
| 1330 | if (state == 'Complete') { |
---|
| 1331 | // avoid memory leak in MSIE: clean up |
---|
| 1332 | this.transport.onreadystatechange = Prototype.emptyFunction; |
---|
| 1333 | } |
---|
| 1334 | }, |
---|
| 1335 | |
---|
| 1336 | getHeader: function(name) { |
---|
| 1337 | try { |
---|
| 1338 | return this.transport.getResponseHeader(name); |
---|
| 1339 | } catch (e) { return null } |
---|
| 1340 | }, |
---|
| 1341 | |
---|
| 1342 | evalResponse: function() { |
---|
| 1343 | try { |
---|
| 1344 | return eval((this.transport.responseText || '').unfilterJSON()); |
---|
| 1345 | } catch (e) { |
---|
| 1346 | this.dispatchException(e); |
---|
| 1347 | } |
---|
| 1348 | }, |
---|
| 1349 | |
---|
| 1350 | dispatchException: function(exception) { |
---|
| 1351 | (this.options.onException || Prototype.emptyFunction)(this, exception); |
---|
| 1352 | Ajax.Responders.dispatch('onException', this, exception); |
---|
| 1353 | } |
---|
| 1354 | }); |
---|
| 1355 | |
---|
| 1356 | Ajax.Request.Events = |
---|
| 1357 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
---|
| 1358 | |
---|
| 1359 | Ajax.Response = Class.create({ |
---|
| 1360 | initialize: function(request){ |
---|
| 1361 | this.request = request; |
---|
| 1362 | var transport = this.transport = request.transport, |
---|
| 1363 | readyState = this.readyState = transport.readyState; |
---|
| 1364 | |
---|
| 1365 | if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { |
---|
| 1366 | this.status = this.getStatus(); |
---|
| 1367 | this.statusText = this.getStatusText(); |
---|
| 1368 | this.responseText = String.interpret(transport.responseText); |
---|
| 1369 | this.headerJSON = this._getHeaderJSON(); |
---|
| 1370 | } |
---|
| 1371 | |
---|
| 1372 | if(readyState == 4) { |
---|
| 1373 | var xml = transport.responseXML; |
---|
| 1374 | this.responseXML = xml === undefined ? null : xml; |
---|
| 1375 | this.responseJSON = this._getResponseJSON(); |
---|
| 1376 | } |
---|
| 1377 | }, |
---|
| 1378 | |
---|
| 1379 | status: 0, |
---|
| 1380 | statusText: '', |
---|
| 1381 | |
---|
| 1382 | getStatus: Ajax.Request.prototype.getStatus, |
---|
| 1383 | |
---|
| 1384 | getStatusText: function() { |
---|
| 1385 | try { |
---|
| 1386 | return this.transport.statusText || ''; |
---|
| 1387 | } catch (e) { return '' } |
---|
| 1388 | }, |
---|
| 1389 | |
---|
| 1390 | getHeader: Ajax.Request.prototype.getHeader, |
---|
| 1391 | |
---|
| 1392 | getAllHeaders: function() { |
---|
| 1393 | try { |
---|
| 1394 | return this.getAllResponseHeaders(); |
---|
| 1395 | } catch (e) { return null } |
---|
| 1396 | }, |
---|
| 1397 | |
---|
| 1398 | getResponseHeader: function(name) { |
---|
| 1399 | return this.transport.getResponseHeader(name); |
---|
| 1400 | }, |
---|
| 1401 | |
---|
| 1402 | getAllResponseHeaders: function() { |
---|
| 1403 | return this.transport.getAllResponseHeaders(); |
---|
| 1404 | }, |
---|
| 1405 | |
---|
| 1406 | _getHeaderJSON: function() { |
---|
| 1407 | var json = this.getHeader('X-JSON'); |
---|
| 1408 | if (!json) return null; |
---|
| 1409 | json = decodeURIComponent(escape(json)); |
---|
| 1410 | try { |
---|
| 1411 | return json.evalJSON(this.request.options.sanitizeJSON); |
---|
| 1412 | } catch (e) { |
---|
| 1413 | this.request.dispatchException(e); |
---|
| 1414 | } |
---|
| 1415 | }, |
---|
| 1416 | |
---|
| 1417 | _getResponseJSON: function() { |
---|
| 1418 | var options = this.request.options; |
---|
| 1419 | if (!options.evalJSON || (options.evalJSON != 'force' && |
---|
| 1420 | !(this.getHeader('Content-type') || '').include('application/json'))) |
---|
| 1421 | return null; |
---|
| 1422 | try { |
---|
| 1423 | return this.transport.responseText.evalJSON(options.sanitizeJSON); |
---|
| 1424 | } catch (e) { |
---|
| 1425 | this.request.dispatchException(e); |
---|
| 1426 | } |
---|
| 1427 | } |
---|
| 1428 | }); |
---|
| 1429 | |
---|
| 1430 | Ajax.Updater = Class.create(Ajax.Request, { |
---|
| 1431 | initialize: function($super, container, url, options) { |
---|
| 1432 | this.container = { |
---|
| 1433 | success: (container.success || container), |
---|
| 1434 | failure: (container.failure || (container.success ? null : container)) |
---|
| 1435 | }; |
---|
| 1436 | |
---|
| 1437 | options = options || { }; |
---|
| 1438 | var onComplete = options.onComplete; |
---|
| 1439 | options.onComplete = (function(response, param) { |
---|
| 1440 | this.updateContent(response.responseText); |
---|
| 1441 | if (Object.isFunction(onComplete)) onComplete(response, param); |
---|
| 1442 | }).bind(this); |
---|
| 1443 | |
---|
| 1444 | $super(url, options); |
---|
| 1445 | }, |
---|
| 1446 | |
---|
| 1447 | updateContent: function(responseText) { |
---|
| 1448 | var receiver = this.container[this.success() ? 'success' : 'failure'], |
---|
| 1449 | options = this.options; |
---|
| 1450 | |
---|
| 1451 | if (!options.evalScripts) responseText = responseText.stripScripts(); |
---|
| 1452 | |
---|
| 1453 | if (receiver = $(receiver)) { |
---|
| 1454 | if (options.insertion) { |
---|
| 1455 | if (Object.isString(options.insertion)) { |
---|
| 1456 | var insertion = { }; insertion[options.insertion] = responseText; |
---|
| 1457 | receiver.insert(insertion); |
---|
| 1458 | } |
---|
| 1459 | else options.insertion(receiver, responseText); |
---|
| 1460 | } |
---|
| 1461 | else receiver.update(responseText); |
---|
| 1462 | } |
---|
| 1463 | |
---|
| 1464 | if (this.success()) { |
---|
| 1465 | if (this.onComplete) this.onComplete.bind(this).defer(); |
---|
| 1466 | } |
---|
| 1467 | } |
---|
| 1468 | }); |
---|
| 1469 | |
---|
| 1470 | Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { |
---|
| 1471 | initialize: function($super, container, url, options) { |
---|
| 1472 | $super(options); |
---|
| 1473 | this.onComplete = this.options.onComplete; |
---|
| 1474 | |
---|
| 1475 | this.frequency = (this.options.frequency || 2); |
---|
| 1476 | this.decay = (this.options.decay || 1); |
---|
| 1477 | |
---|
| 1478 | this.updater = { }; |
---|
| 1479 | this.container = container; |
---|
| 1480 | this.url = url; |
---|
| 1481 | |
---|
| 1482 | this.start(); |
---|
| 1483 | }, |
---|
| 1484 | |
---|
| 1485 | start: function() { |
---|
| 1486 | this.options.onComplete = this.updateComplete.bind(this); |
---|
| 1487 | this.onTimerEvent(); |
---|
| 1488 | }, |
---|
| 1489 | |
---|
| 1490 | stop: function() { |
---|
| 1491 | this.updater.options.onComplete = undefined; |
---|
| 1492 | clearTimeout(this.timer); |
---|
| 1493 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
---|
| 1494 | }, |
---|
| 1495 | |
---|
| 1496 | updateComplete: function(response) { |
---|
| 1497 | if (this.options.decay) { |
---|
| 1498 | this.decay = (response.responseText == this.lastText ? |
---|
| 1499 | this.decay * this.options.decay : 1); |
---|
| 1500 | |
---|
| 1501 | this.lastText = response.responseText; |
---|
| 1502 | } |
---|
| 1503 | this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); |
---|
| 1504 | }, |
---|
| 1505 | |
---|
| 1506 | onTimerEvent: function() { |
---|
| 1507 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
---|
| 1508 | } |
---|
| 1509 | }); |
---|
| 1510 | function $(element) { |
---|
| 1511 | if (arguments.length > 1) { |
---|
| 1512 | for (var i = 0, elements = [], length = arguments.length; i < length; i++) |
---|
| 1513 | elements.push($(arguments[i])); |
---|
| 1514 | return elements; |
---|
| 1515 | } |
---|
| 1516 | if (Object.isString(element)) |
---|
| 1517 | element = document.getElementById(element); |
---|
| 1518 | return Element.extend(element); |
---|
| 1519 | } |
---|
| 1520 | |
---|
| 1521 | if (Prototype.BrowserFeatures.XPath) { |
---|
| 1522 | document._getElementsByXPath = function(expression, parentElement) { |
---|
| 1523 | var results = []; |
---|
| 1524 | var query = document.evaluate(expression, $(parentElement) || document, |
---|
| 1525 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
---|
| 1526 | for (var i = 0, length = query.snapshotLength; i < length; i++) |
---|
| 1527 | results.push(Element.extend(query.snapshotItem(i))); |
---|
| 1528 | return results; |
---|
| 1529 | }; |
---|
| 1530 | } |
---|
| 1531 | |
---|
| 1532 | /*--------------------------------------------------------------------------*/ |
---|
| 1533 | |
---|
| 1534 | if (!window.Node) var Node = { }; |
---|
| 1535 | |
---|
| 1536 | if (!Node.ELEMENT_NODE) { |
---|
| 1537 | // DOM level 2 ECMAScript Language Binding |
---|
| 1538 | Object.extend(Node, { |
---|
| 1539 | ELEMENT_NODE: 1, |
---|
| 1540 | ATTRIBUTE_NODE: 2, |
---|
| 1541 | TEXT_NODE: 3, |
---|
| 1542 | CDATA_SECTION_NODE: 4, |
---|
| 1543 | ENTITY_REFERENCE_NODE: 5, |
---|
| 1544 | ENTITY_NODE: 6, |
---|
| 1545 | PROCESSING_INSTRUCTION_NODE: 7, |
---|
| 1546 | COMMENT_NODE: 8, |
---|
| 1547 | DOCUMENT_NODE: 9, |
---|
| 1548 | DOCUMENT_TYPE_NODE: 10, |
---|
| 1549 | DOCUMENT_FRAGMENT_NODE: 11, |
---|
| 1550 | NOTATION_NODE: 12 |
---|
| 1551 | }); |
---|
| 1552 | } |
---|
| 1553 | |
---|
| 1554 | (function() { |
---|
| 1555 | var element = this.Element; |
---|
| 1556 | this.Element = function(tagName, attributes) { |
---|
| 1557 | attributes = attributes || { }; |
---|
| 1558 | tagName = tagName.toLowerCase(); |
---|
| 1559 | var cache = Element.cache; |
---|
| 1560 | if (Prototype.Browser.IE && attributes.name) { |
---|
| 1561 | tagName = '<' + tagName + ' name="' + attributes.name + '">'; |
---|
| 1562 | delete attributes.name; |
---|
| 1563 | return Element.writeAttribute(document.createElement(tagName), attributes); |
---|
| 1564 | } |
---|
| 1565 | if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); |
---|
| 1566 | return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); |
---|
| 1567 | }; |
---|
| 1568 | Object.extend(this.Element, element || { }); |
---|
| 1569 | }).call(window); |
---|
| 1570 | |
---|
| 1571 | Element.cache = { }; |
---|
| 1572 | |
---|
| 1573 | Element.Methods = { |
---|
| 1574 | visible: function(element) { |
---|
| 1575 | return $(element).style.display != 'none'; |
---|
| 1576 | }, |
---|
| 1577 | |
---|
| 1578 | toggle: function(element) { |
---|
| 1579 | element = $(element); |
---|
| 1580 | Element[Element.visible(element) ? 'hide' : 'show'](element); |
---|
| 1581 | return element; |
---|
| 1582 | }, |
---|
| 1583 | |
---|
| 1584 | hide: function(element) { |
---|
| 1585 | $(element).style.display = 'none'; |
---|
| 1586 | return element; |
---|
| 1587 | }, |
---|
| 1588 | |
---|
| 1589 | show: function(element) { |
---|
| 1590 | $(element).style.display = ''; |
---|
| 1591 | return element; |
---|
| 1592 | }, |
---|
| 1593 | |
---|
| 1594 | remove: function(element) { |
---|
| 1595 | element = $(element); |
---|
| 1596 | element.parentNode.removeChild(element); |
---|
| 1597 | return element; |
---|
| 1598 | }, |
---|
| 1599 | |
---|
| 1600 | update: function(element, content) { |
---|
| 1601 | element = $(element); |
---|
| 1602 | if (content && content.toElement) content = content.toElement(); |
---|
| 1603 | if (Object.isElement(content)) return element.update().insert(content); |
---|
| 1604 | content = Object.toHTML(content); |
---|
| 1605 | element.innerHTML = content.stripScripts(); |
---|
| 1606 | content.evalScripts.bind(content).defer(); |
---|
| 1607 | return element; |
---|
| 1608 | }, |
---|
| 1609 | |
---|
| 1610 | replace: function(element, content) { |
---|
| 1611 | element = $(element); |
---|
| 1612 | if (content && content.toElement) content = content.toElement(); |
---|
| 1613 | else if (!Object.isElement(content)) { |
---|
| 1614 | content = Object.toHTML(content); |
---|
| 1615 | var range = element.ownerDocument.createRange(); |
---|
| 1616 | range.selectNode(element); |
---|
| 1617 | content.evalScripts.bind(content).defer(); |
---|
| 1618 | content = range.createContextualFragment(content.stripScripts()); |
---|
| 1619 | } |
---|
| 1620 | element.parentNode.replaceChild(content, element); |
---|
| 1621 | return element; |
---|
| 1622 | }, |
---|
| 1623 | |
---|
| 1624 | insert: function(element, insertions) { |
---|
| 1625 | element = $(element); |
---|
| 1626 | |
---|
| 1627 | if (Object.isString(insertions) || Object.isNumber(insertions) || |
---|
| 1628 | Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) |
---|
| 1629 | insertions = {bottom:insertions}; |
---|
| 1630 | |
---|
| 1631 | var content, t, range; |
---|
| 1632 | |
---|
| 1633 | for (position in insertions) { |
---|
| 1634 | content = insertions[position]; |
---|
| 1635 | position = position.toLowerCase(); |
---|
| 1636 | t = Element._insertionTranslations[position]; |
---|
| 1637 | |
---|
| 1638 | if (content && content.toElement) content = content.toElement(); |
---|
| 1639 | if (Object.isElement(content)) { |
---|
| 1640 | t.insert(element, content); |
---|
| 1641 | continue; |
---|
| 1642 | } |
---|
| 1643 | |
---|
| 1644 | content = Object.toHTML(content); |
---|
| 1645 | |
---|
| 1646 | range = element.ownerDocument.createRange(); |
---|
| 1647 | t.initializeRange(element, range); |
---|
| 1648 | t.insert(element, range.createContextualFragment(content.stripScripts())); |
---|
| 1649 | |
---|
| 1650 | content.evalScripts.bind(content).defer(); |
---|
| 1651 | } |
---|
| 1652 | |
---|
| 1653 | return element; |
---|
| 1654 | }, |
---|
| 1655 | |
---|
| 1656 | wrap: function(element, wrapper, attributes) { |
---|
| 1657 | element = $(element); |
---|
| 1658 | if (Object.isElement(wrapper)) |
---|
| 1659 | $(wrapper).writeAttribute(attributes || { }); |
---|
| 1660 | else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes); |
---|
| 1661 | else wrapper = new Element('div', wrapper); |
---|
| 1662 | if (element.parentNode) |
---|
| 1663 | element.parentNode.replaceChild(wrapper, element); |
---|
| 1664 | wrapper.appendChild(element); |
---|
| 1665 | return wrapper; |
---|
| 1666 | }, |
---|
| 1667 | |
---|
| 1668 | inspect: function(element) { |
---|
| 1669 | element = $(element); |
---|
| 1670 | var result = '<' + element.tagName.toLowerCase(); |
---|
| 1671 | $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
---|
| 1672 | var property = pair.first(), attribute = pair.last(); |
---|
| 1673 | var value = (element[property] || '').toString(); |
---|
| 1674 | if (value) result += ' ' + attribute + '=' + value.inspect(true); |
---|
| 1675 | }); |
---|
| 1676 | return result + '>'; |
---|
| 1677 | }, |
---|
| 1678 | |
---|
| 1679 | recursivelyCollect: function(element, property) { |
---|
| 1680 | element = $(element); |
---|
| 1681 | var elements = []; |
---|
| 1682 | while (element = element[property]) |
---|
| 1683 | if (element.nodeType == 1) |
---|
| 1684 | elements.push(Element.extend(element)); |
---|
| 1685 | return elements; |
---|
| 1686 | }, |
---|
| 1687 | |
---|
| 1688 | ancestors: function(element) { |
---|
| 1689 | return $(element).recursivelyCollect('parentNode'); |
---|
| 1690 | }, |
---|
| 1691 | |
---|
| 1692 | descendants: function(element) { |
---|
| 1693 | return $A($(element).getElementsByTagName('*')).each(Element.extend); |
---|
| 1694 | }, |
---|
| 1695 | |
---|
| 1696 | firstDescendant: function(element) { |
---|
| 1697 | element = $(element).firstChild; |
---|
| 1698 | while (element && element.nodeType != 1) element = element.nextSibling; |
---|
| 1699 | return $(element); |
---|
| 1700 | }, |
---|
| 1701 | |
---|
| 1702 | immediateDescendants: function(element) { |
---|
| 1703 | if (!(element = $(element).firstChild)) return []; |
---|
| 1704 | while (element && element.nodeType != 1) element = element.nextSibling; |
---|
| 1705 | if (element) return [element].concat($(element).nextSiblings()); |
---|
| 1706 | return []; |
---|
| 1707 | }, |
---|
| 1708 | |
---|
| 1709 | previousSiblings: function(element) { |
---|
| 1710 | return $(element).recursivelyCollect('previousSibling'); |
---|
| 1711 | }, |
---|
| 1712 | |
---|
| 1713 | nextSiblings: function(element) { |
---|
| 1714 | return $(element).recursivelyCollect('nextSibling'); |
---|
| 1715 | }, |
---|
| 1716 | |
---|
| 1717 | siblings: function(element) { |
---|
| 1718 | element = $(element); |
---|
| 1719 | return element.previousSiblings().reverse().concat(element.nextSiblings()); |
---|
| 1720 | }, |
---|
| 1721 | |
---|
| 1722 | match: function(element, selector) { |
---|
| 1723 | if (Object.isString(selector)) |
---|
| 1724 | selector = new Selector(selector); |
---|
| 1725 | return selector.match($(element)); |
---|
| 1726 | }, |
---|
| 1727 | |
---|
| 1728 | up: function(element, expression, index) { |
---|
| 1729 | element = $(element); |
---|
| 1730 | if (arguments.length == 1) return $(element.parentNode); |
---|
| 1731 | var ancestors = element.ancestors(); |
---|
| 1732 | return expression ? Selector.findElement(ancestors, expression, index) : |
---|
| 1733 | ancestors[index || 0]; |
---|
| 1734 | }, |
---|
| 1735 | |
---|
| 1736 | down: function(element, expression, index) { |
---|
| 1737 | element = $(element); |
---|
| 1738 | if (arguments.length == 1) return element.firstDescendant(); |
---|
| 1739 | var descendants = element.descendants(); |
---|
| 1740 | return expression ? Selector.findElement(descendants, expression, index) : |
---|
| 1741 | descendants[index || 0]; |
---|
| 1742 | }, |
---|
| 1743 | |
---|
| 1744 | previous: function(element, expression, index) { |
---|
| 1745 | element = $(element); |
---|
| 1746 | if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); |
---|
| 1747 | var previousSiblings = element.previousSiblings(); |
---|
| 1748 | return expression ? Selector.findElement(previousSiblings, expression, index) : |
---|
| 1749 | previousSiblings[index || 0]; |
---|
| 1750 | }, |
---|
| 1751 | |
---|
| 1752 | next: function(element, expression, index) { |
---|
| 1753 | element = $(element); |
---|
| 1754 | if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); |
---|
| 1755 | var nextSiblings = element.nextSiblings(); |
---|
| 1756 | return expression ? Selector.findElement(nextSiblings, expression, index) : |
---|
| 1757 | nextSiblings[index || 0]; |
---|
| 1758 | }, |
---|
| 1759 | |
---|
| 1760 | select: function() { |
---|
| 1761 | var args = $A(arguments), element = $(args.shift()); |
---|
| 1762 | return Selector.findChildElements(element, args); |
---|
| 1763 | }, |
---|
| 1764 | |
---|
| 1765 | adjacent: function() { |
---|
| 1766 | var args = $A(arguments), element = $(args.shift()); |
---|
| 1767 | return Selector.findChildElements(element.parentNode, args).without(element); |
---|
| 1768 | }, |
---|
| 1769 | |
---|
| 1770 | identify: function(element) { |
---|
| 1771 | element = $(element); |
---|
| 1772 | var id = element.readAttribute('id'), self = arguments.callee; |
---|
| 1773 | if (id) return id; |
---|
| 1774 | do { id = 'anonymous_element_' + self.counter++ } while ($(id)); |
---|
| 1775 | element.writeAttribute('id', id); |
---|
| 1776 | return id; |
---|
| 1777 | }, |
---|
| 1778 | |
---|
| 1779 | readAttribute: function(element, name) { |
---|
| 1780 | element = $(element); |
---|
| 1781 | if (Prototype.Browser.IE) { |
---|
| 1782 | var t = Element._attributeTranslations.read; |
---|
| 1783 | if (t.values[name]) return t.values[name](element, name); |
---|
| 1784 | if (t.names[name]) name = t.names[name]; |
---|
| 1785 | if (name.include(':')) { |
---|
| 1786 | return (!element.attributes || !element.attributes[name]) ? null : |
---|
| 1787 | element.attributes[name].value; |
---|
| 1788 | } |
---|
| 1789 | } |
---|
| 1790 | return element.getAttribute(name); |
---|
| 1791 | }, |
---|
| 1792 | |
---|
| 1793 | writeAttribute: function(element, name, value) { |
---|
| 1794 | element = $(element); |
---|
| 1795 | var attributes = { }, t = Element._attributeTranslations.write; |
---|
| 1796 | |
---|
| 1797 | if (typeof name == 'object') attributes = name; |
---|
| 1798 | else attributes[name] = value === undefined ? true : value; |
---|
| 1799 | |
---|
| 1800 | for (var attr in attributes) { |
---|
| 1801 | var name = t.names[attr] || attr, value = attributes[attr]; |
---|
| 1802 | if (t.values[attr]) name = t.values[attr](element, value); |
---|
| 1803 | if (value === false || value === null) |
---|
| 1804 | element.removeAttribute(name); |
---|
| 1805 | else if (value === true) |
---|
| 1806 | element.setAttribute(name, name); |
---|
| 1807 | else element.setAttribute(name, value); |
---|
| 1808 | } |
---|
| 1809 | return element; |
---|
| 1810 | }, |
---|
| 1811 | |
---|
| 1812 | getHeight: function(element) { |
---|
| 1813 | return $(element).getDimensions().height; |
---|
| 1814 | }, |
---|
| 1815 | |
---|
| 1816 | getWidth: function(element) { |
---|
| 1817 | return $(element).getDimensions().width; |
---|
| 1818 | }, |
---|
| 1819 | |
---|
| 1820 | classNames: function(element) { |
---|
| 1821 | return new Element.ClassNames(element); |
---|
| 1822 | }, |
---|
| 1823 | |
---|
| 1824 | hasClassName: function(element, className) { |
---|
| 1825 | if (!(element = $(element))) return; |
---|
| 1826 | var elementClassName = element.className; |
---|
| 1827 | return (elementClassName.length > 0 && (elementClassName == className || |
---|
| 1828 | new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); |
---|
| 1829 | }, |
---|
| 1830 | |
---|
| 1831 | addClassName: function(element, className) { |
---|
| 1832 | if (!(element = $(element))) return; |
---|
| 1833 | if (!element.hasClassName(className)) |
---|
| 1834 | element.className += (element.className ? ' ' : '') + className; |
---|
| 1835 | return element; |
---|
| 1836 | }, |
---|
| 1837 | |
---|
| 1838 | removeClassName: function(element, className) { |
---|
| 1839 | if (!(element = $(element))) return; |
---|
| 1840 | element.className = element.className.replace( |
---|
| 1841 | new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); |
---|
| 1842 | return element; |
---|
| 1843 | }, |
---|
| 1844 | |
---|
| 1845 | toggleClassName: function(element, className) { |
---|
| 1846 | if (!(element = $(element))) return; |
---|
| 1847 | return element[element.hasClassName(className) ? |
---|
| 1848 | 'removeClassName' : 'addClassName'](className); |
---|
| 1849 | }, |
---|
| 1850 | |
---|
| 1851 | // removes whitespace-only text node children |
---|
| 1852 | cleanWhitespace: function(element) { |
---|
| 1853 | element = $(element); |
---|
| 1854 | var node = element.firstChild; |
---|
| 1855 | while (node) { |
---|
| 1856 | var nextNode = node.nextSibling; |
---|
| 1857 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
---|
| 1858 | element.removeChild(node); |
---|
| 1859 | node = nextNode; |
---|
| 1860 | } |
---|
| 1861 | return element; |
---|
| 1862 | }, |
---|
| 1863 | |
---|
| 1864 | empty: function(element) { |
---|
| 1865 | return $(element).innerHTML.blank(); |
---|
| 1866 | }, |
---|
| 1867 | |
---|
| 1868 | descendantOf: function(element, ancestor) { |
---|
| 1869 | element = $(element), ancestor = $(ancestor); |
---|
| 1870 | |
---|
| 1871 | if (element.compareDocumentPosition) |
---|
| 1872 | return (element.compareDocumentPosition(ancestor) & 8) === 8; |
---|
| 1873 | |
---|
| 1874 | if (element.sourceIndex && !Prototype.Browser.Opera) { |
---|
| 1875 | var e = element.sourceIndex, a = ancestor.sourceIndex, |
---|
| 1876 | nextAncestor = ancestor.nextSibling; |
---|
| 1877 | if (!nextAncestor) { |
---|
| 1878 | do { ancestor = ancestor.parentNode; } |
---|
| 1879 | while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode); |
---|
| 1880 | } |
---|
| 1881 | if (nextAncestor) return (e > a && e < nextAncestor.sourceIndex); |
---|
| 1882 | } |
---|
| 1883 | |
---|
| 1884 | while (element = element.parentNode) |
---|
| 1885 | if (element == ancestor) return true; |
---|
| 1886 | return false; |
---|
| 1887 | }, |
---|
| 1888 | |
---|
| 1889 | scrollTo: function(element) { |
---|
| 1890 | element = $(element); |
---|
| 1891 | var pos = element.cumulativeOffset(); |
---|
| 1892 | window.scrollTo(pos[0], pos[1]); |
---|
| 1893 | return element; |
---|
| 1894 | }, |
---|
| 1895 | |
---|
| 1896 | getStyle: function(element, style) { |
---|
| 1897 | element = $(element); |
---|
| 1898 | style = style == 'float' ? 'cssFloat' : style.camelize(); |
---|
| 1899 | var value = element.style[style]; |
---|
| 1900 | if (!value) { |
---|
| 1901 | var css = document.defaultView.getComputedStyle(element, null); |
---|
| 1902 | value = css ? css[style] : null; |
---|
| 1903 | } |
---|
| 1904 | if (style == 'opacity') return value ? parseFloat(value) : 1.0; |
---|
| 1905 | return value == 'auto' ? null : value; |
---|
| 1906 | }, |
---|
| 1907 | |
---|
| 1908 | getOpacity: function(element) { |
---|
| 1909 | return $(element).getStyle('opacity'); |
---|
| 1910 | }, |
---|
| 1911 | |
---|
| 1912 | setStyle: function(element, styles) { |
---|
| 1913 | element = $(element); |
---|
| 1914 | var elementStyle = element.style, match; |
---|
| 1915 | if (Object.isString(styles)) { |
---|
| 1916 | element.style.cssText += ';' + styles; |
---|
| 1917 | return styles.include('opacity') ? |
---|
| 1918 | element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; |
---|
| 1919 | } |
---|
| 1920 | for (var property in styles) |
---|
| 1921 | if (property == 'opacity') element.setOpacity(styles[property]); |
---|
| 1922 | else |
---|
| 1923 | elementStyle[(property == 'float' || property == 'cssFloat') ? |
---|
| 1924 | (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') : |
---|
| 1925 | property] = styles[property]; |
---|
| 1926 | |
---|
| 1927 | return element; |
---|
| 1928 | }, |
---|
| 1929 | |
---|
| 1930 | setOpacity: function(element, value) { |
---|
| 1931 | element = $(element); |
---|
| 1932 | element.style.opacity = (value == 1 || value === '') ? '' : |
---|
| 1933 | (value < 0.00001) ? 0 : value; |
---|
| 1934 | return element; |
---|
| 1935 | }, |
---|
| 1936 | |
---|
| 1937 | getDimensions: function(element) { |
---|
| 1938 | element = $(element); |
---|
| 1939 | var display = $(element).getStyle('display'); |
---|
| 1940 | if (display != 'none' && display != null) // Safari bug |
---|
| 1941 | return {width: element.offsetWidth, height: element.offsetHeight}; |
---|
| 1942 | |
---|
| 1943 | // All *Width and *Height properties give 0 on elements with display none, |
---|
| 1944 | // so enable the element temporarily |
---|
| 1945 | var els = element.style; |
---|
| 1946 | var originalVisibility = els.visibility; |
---|
| 1947 | var originalPosition = els.position; |
---|
| 1948 | var originalDisplay = els.display; |
---|
| 1949 | els.visibility = 'hidden'; |
---|
| 1950 | els.position = 'absolute'; |
---|
| 1951 | els.display = 'block'; |
---|
| 1952 | var originalWidth = element.clientWidth; |
---|
| 1953 | var originalHeight = element.clientHeight; |
---|
| 1954 | els.display = originalDisplay; |
---|
| 1955 | els.position = originalPosition; |
---|
| 1956 | els.visibility = originalVisibility; |
---|
| 1957 | return {width: originalWidth, height: originalHeight}; |
---|
| 1958 | }, |
---|
| 1959 | |
---|
| 1960 | makePositioned: function(element) { |
---|
| 1961 | element = $(element); |
---|
| 1962 | var pos = Element.getStyle(element, 'position'); |
---|
| 1963 | if (pos == 'static' || !pos) { |
---|
| 1964 | element._madePositioned = true; |
---|
| 1965 | element.style.position = 'relative'; |
---|
| 1966 | // Opera returns the offset relative to the positioning context, when an |
---|
| 1967 | // element is position relative but top and left have not been defined |
---|
| 1968 | if (window.opera) { |
---|
| 1969 | element.style.top = 0; |
---|
| 1970 | element.style.left = 0; |
---|
| 1971 | } |
---|
| 1972 | } |
---|
| 1973 | return element; |
---|
| 1974 | }, |
---|
| 1975 | |
---|
| 1976 | undoPositioned: function(element) { |
---|
| 1977 | element = $(element); |
---|
| 1978 | if (element._madePositioned) { |
---|
| 1979 | element._madePositioned = undefined; |
---|
| 1980 | element.style.position = |
---|
| 1981 | element.style.top = |
---|
| 1982 | element.style.left = |
---|
| 1983 | element.style.bottom = |
---|
| 1984 | element.style.right = ''; |
---|
| 1985 | } |
---|
| 1986 | return element; |
---|
| 1987 | }, |
---|
| 1988 | |
---|
| 1989 | makeClipping: function(element) { |
---|
| 1990 | element = $(element); |
---|
| 1991 | if (element._overflow) return element; |
---|
| 1992 | element._overflow = Element.getStyle(element, 'overflow') || 'auto'; |
---|
| 1993 | if (element._overflow !== 'hidden') |
---|
| 1994 | element.style.overflow = 'hidden'; |
---|
| 1995 | return element; |
---|
| 1996 | }, |
---|
| 1997 | |
---|
| 1998 | undoClipping: function(element) { |
---|
| 1999 | element = $(element); |
---|
| 2000 | if (!element._overflow) return element; |
---|
| 2001 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
---|
| 2002 | element._overflow = null; |
---|
| 2003 | return element; |
---|
| 2004 | }, |
---|
| 2005 | |
---|
| 2006 | cumulativeOffset: function(element) { |
---|
| 2007 | var valueT = 0, valueL = 0; |
---|
| 2008 | do { |
---|
| 2009 | valueT += element.offsetTop || 0; |
---|
| 2010 | valueL += element.offsetLeft || 0; |
---|
| 2011 | element = element.offsetParent; |
---|
| 2012 | } while (element); |
---|
| 2013 | return Element._returnOffset(valueL, valueT); |
---|
| 2014 | }, |
---|
| 2015 | |
---|
| 2016 | positionedOffset: function(element) { |
---|
| 2017 | var valueT = 0, valueL = 0; |
---|
| 2018 | do { |
---|
| 2019 | valueT += element.offsetTop || 0; |
---|
| 2020 | valueL += element.offsetLeft || 0; |
---|
| 2021 | element = element.offsetParent; |
---|
| 2022 | if (element) { |
---|
| 2023 | if (element.tagName == 'BODY') break; |
---|
| 2024 | var p = Element.getStyle(element, 'position'); |
---|
| 2025 | if (p == 'relative' || p == 'absolute') break; |
---|
| 2026 | } |
---|
| 2027 | } while (element); |
---|
| 2028 | return Element._returnOffset(valueL, valueT); |
---|
| 2029 | }, |
---|
| 2030 | |
---|
| 2031 | absolutize: function(element) { |
---|
| 2032 | element = $(element); |
---|
| 2033 | if (element.getStyle('position') == 'absolute') return; |
---|
| 2034 | // Position.prepare(); // To be done manually by Scripty when it needs it. |
---|
| 2035 | |
---|
| 2036 | var offsets = element.positionedOffset(); |
---|
| 2037 | var top = offsets[1]; |
---|
| 2038 | var left = offsets[0]; |
---|
| 2039 | var width = element.clientWidth; |
---|
| 2040 | var height = element.clientHeight; |
---|
| 2041 | |
---|
| 2042 | element._originalLeft = left - parseFloat(element.style.left || 0); |
---|
| 2043 | element._originalTop = top - parseFloat(element.style.top || 0); |
---|
| 2044 | element._originalWidth = element.style.width; |
---|
| 2045 | element._originalHeight = element.style.height; |
---|
| 2046 | |
---|
| 2047 | element.style.position = 'absolute'; |
---|
| 2048 | element.style.top = top + 'px'; |
---|
| 2049 | element.style.left = left + 'px'; |
---|
| 2050 | element.style.width = width + 'px'; |
---|
| 2051 | element.style.height = height + 'px'; |
---|
| 2052 | return element; |
---|
| 2053 | }, |
---|
| 2054 | |
---|
| 2055 | relativize: function(element) { |
---|
| 2056 | element = $(element); |
---|
| 2057 | if (element.getStyle('position') == 'relative') return; |
---|
| 2058 | // Position.prepare(); // To be done manually by Scripty when it needs it. |
---|
| 2059 | |
---|
| 2060 | element.style.position = 'relative'; |
---|
| 2061 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
---|
| 2062 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
---|
| 2063 | |
---|
| 2064 | element.style.top = top + 'px'; |
---|
| 2065 | element.style.left = left + 'px'; |
---|
| 2066 | element.style.height = element._originalHeight; |
---|
| 2067 | element.style.width = element._originalWidth; |
---|
| 2068 | return element; |
---|
| 2069 | }, |
---|
| 2070 | |
---|
| 2071 | cumulativeScrollOffset: function(element) { |
---|
| 2072 | var valueT = 0, valueL = 0; |
---|
| 2073 | do { |
---|
| 2074 | valueT += element.scrollTop || 0; |
---|
| 2075 | valueL += element.scrollLeft || 0; |
---|
| 2076 | element = element.parentNode; |
---|
| 2077 | } while (element); |
---|
| 2078 | return Element._returnOffset(valueL, valueT); |
---|
| 2079 | }, |
---|
| 2080 | |
---|
| 2081 | getOffsetParent: function(element) { |
---|
| 2082 | if (element.offsetParent) return $(element.offsetParent); |
---|
| 2083 | if (element == document.body) return $(element); |
---|
| 2084 | |
---|
| 2085 | while ((element = element.parentNode) && element != document.body) |
---|
| 2086 | if (Element.getStyle(element, 'position') != 'static') |
---|
| 2087 | return $(element); |
---|
| 2088 | |
---|
| 2089 | return $(document.body); |
---|
| 2090 | }, |
---|
| 2091 | |
---|
| 2092 | viewportOffset: function(forElement) { |
---|
| 2093 | var valueT = 0, valueL = 0; |
---|
| 2094 | |
---|
| 2095 | var element = forElement; |
---|
| 2096 | do { |
---|
| 2097 | valueT += element.offsetTop || 0; |
---|
| 2098 | valueL += element.offsetLeft || 0; |
---|
| 2099 | |
---|
| 2100 | // Safari fix |
---|
| 2101 | if (element.offsetParent == document.body && |
---|
| 2102 | Element.getStyle(element, 'position') == 'absolute') break; |
---|
| 2103 | |
---|
| 2104 | } while (element = element.offsetParent); |
---|
| 2105 | |
---|
| 2106 | element = forElement; |
---|
| 2107 | do { |
---|
| 2108 | if (!Prototype.Browser.Opera || element.tagName == 'BODY') { |
---|
| 2109 | valueT -= element.scrollTop || 0; |
---|
| 2110 | valueL -= element.scrollLeft || 0; |
---|
| 2111 | } |
---|
| 2112 | } while (element = element.parentNode); |
---|
| 2113 | |
---|
| 2114 | return Element._returnOffset(valueL, valueT); |
---|
| 2115 | }, |
---|
| 2116 | |
---|
| 2117 | clonePosition: function(element, source) { |
---|
| 2118 | var options = Object.extend({ |
---|
| 2119 | setLeft: true, |
---|
| 2120 | setTop: true, |
---|
| 2121 | setWidth: true, |
---|
| 2122 | setHeight: true, |
---|
| 2123 | offsetTop: 0, |
---|
| 2124 | offsetLeft: 0 |
---|
| 2125 | }, arguments[2] || { }); |
---|
| 2126 | |
---|
| 2127 | // find page position of source |
---|
| 2128 | source = $(source); |
---|
| 2129 | var p = source.viewportOffset(); |
---|
| 2130 | |
---|
| 2131 | // find coordinate system to use |
---|
| 2132 | element = $(element); |
---|
| 2133 | var delta = [0, 0]; |
---|
| 2134 | var parent = null; |
---|
| 2135 | // delta [0,0] will do fine with position: fixed elements, |
---|
| 2136 | // position:absolute needs offsetParent deltas |
---|
| 2137 | if (Element.getStyle(element, 'position') == 'absolute') { |
---|
| 2138 | parent = element.getOffsetParent(); |
---|
| 2139 | delta = parent.viewportOffset(); |
---|
| 2140 | } |
---|
| 2141 | |
---|
| 2142 | // correct by body offsets (fixes Safari) |
---|
| 2143 | if (parent == document.body) { |
---|
| 2144 | delta[0] -= document.body.offsetLeft; |
---|
| 2145 | delta[1] -= document.body.offsetTop; |
---|
| 2146 | } |
---|
| 2147 | |
---|
| 2148 | // set position |
---|
| 2149 | if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
---|
| 2150 | if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
---|
| 2151 | if (options.setWidth) element.style.width = source.offsetWidth + 'px'; |
---|
| 2152 | if (options.setHeight) element.style.height = source.offsetHeight + 'px'; |
---|
| 2153 | return element; |
---|
| 2154 | } |
---|
| 2155 | }; |
---|
| 2156 | |
---|
| 2157 | Element.Methods.identify.counter = 1; |
---|
| 2158 | |
---|
| 2159 | Object.extend(Element.Methods, { |
---|
| 2160 | getElementsBySelector: Element.Methods.select, |
---|
| 2161 | childElements: Element.Methods.immediateDescendants |
---|
| 2162 | }); |
---|
| 2163 | |
---|
| 2164 | Element._attributeTranslations = { |
---|
| 2165 | write: { |
---|
| 2166 | names: { |
---|
| 2167 | className: 'class', |
---|
| 2168 | htmlFor: 'for' |
---|
| 2169 | }, |
---|
| 2170 | values: { } |
---|
| 2171 | } |
---|
| 2172 | }; |
---|
| 2173 | |
---|
| 2174 | |
---|
| 2175 | if (!document.createRange || Prototype.Browser.Opera) { |
---|
| 2176 | Element.Methods.insert = function(element, insertions) { |
---|
| 2177 | element = $(element); |
---|
| 2178 | |
---|
| 2179 | if (Object.isString(insertions) || Object.isNumber(insertions) || |
---|
| 2180 | Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) |
---|
| 2181 | insertions = { bottom: insertions }; |
---|
| 2182 | |
---|
| 2183 | var t = Element._insertionTranslations, content, position, pos, tagName; |
---|
| 2184 | |
---|
| 2185 | for (position in insertions) { |
---|
| 2186 | content = insertions[position]; |
---|
| 2187 | position = position.toLowerCase(); |
---|
| 2188 | pos = t[position]; |
---|
| 2189 | |
---|
| 2190 | if (content && content.toElement) content = content.toElement(); |
---|
| 2191 | if (Object.isElement(content)) { |
---|
| 2192 | pos.insert(element, content); |
---|
| 2193 | continue; |
---|
| 2194 | } |
---|
| 2195 | |
---|
| 2196 | content = Object.toHTML(content); |
---|
| 2197 | tagName = ((position == 'before' || position == 'after') |
---|
| 2198 | ? element.parentNode : element).tagName.toUpperCase(); |
---|
| 2199 | |
---|
| 2200 | if (t.tags[tagName]) { |
---|
| 2201 | var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
---|
| 2202 | if (position == 'top' || position == 'after') fragments.reverse(); |
---|
| 2203 | fragments.each(pos.insert.curry(element)); |
---|
| 2204 | } |
---|
| 2205 | else element.insertAdjacentHTML(pos.adjacency, content.stripScripts()); |
---|
| 2206 | |
---|
| 2207 | content.evalScripts.bind(content).defer(); |
---|
| 2208 | } |
---|
| 2209 | |
---|
| 2210 | return element; |
---|
| 2211 | }; |
---|
| 2212 | } |
---|
| 2213 | |
---|
| 2214 | if (Prototype.Browser.Opera) { |
---|
| 2215 | Element.Methods._getStyle = Element.Methods.getStyle; |
---|
| 2216 | Element.Methods.getStyle = function(element, style) { |
---|
| 2217 | switch(style) { |
---|
| 2218 | case 'left': |
---|
| 2219 | case 'top': |
---|
| 2220 | case 'right': |
---|
| 2221 | case 'bottom': |
---|
| 2222 | if (Element._getStyle(element, 'position') == 'static') return null; |
---|
| 2223 | default: return Element._getStyle(element, style); |
---|
| 2224 | } |
---|
| 2225 | }; |
---|
| 2226 | Element.Methods._readAttribute = Element.Methods.readAttribute; |
---|
| 2227 | Element.Methods.readAttribute = function(element, attribute) { |
---|
| 2228 | if (attribute == 'title') return element.title; |
---|
| 2229 | return Element._readAttribute(element, attribute); |
---|
| 2230 | }; |
---|
| 2231 | } |
---|
| 2232 | |
---|
| 2233 | else if (Prototype.Browser.IE) { |
---|
| 2234 | $w('positionedOffset getOffsetParent viewportOffset').each(function(method) { |
---|
| 2235 | Element.Methods[method] = Element.Methods[method].wrap( |
---|
| 2236 | function(proceed, element) { |
---|
| 2237 | element = $(element); |
---|
| 2238 | var position = element.getStyle('position'); |
---|
| 2239 | if (position != 'static') return proceed(element); |
---|
| 2240 | element.setStyle({ position: 'relative' }); |
---|
| 2241 | var value = proceed(element); |
---|
| 2242 | element.setStyle({ position: position }); |
---|
| 2243 | return value; |
---|
| 2244 | } |
---|
| 2245 | ); |
---|
| 2246 | }); |
---|
| 2247 | |
---|
| 2248 | Element.Methods.getStyle = function(element, style) { |
---|
| 2249 | element = $(element); |
---|
| 2250 | style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); |
---|
| 2251 | var value = element.style[style]; |
---|
| 2252 | if (!value && element.currentStyle) value = element.currentStyle[style]; |
---|
| 2253 | |
---|
| 2254 | if (style == 'opacity') { |
---|
| 2255 | if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
---|
| 2256 | if (value[1]) return parseFloat(value[1]) / 100; |
---|
| 2257 | return 1.0; |
---|
| 2258 | } |
---|
| 2259 | |
---|
| 2260 | if (value == 'auto') { |
---|
| 2261 | if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) |
---|
| 2262 | return element['offset' + style.capitalize()] + 'px'; |
---|
| 2263 | return null; |
---|
| 2264 | } |
---|
| 2265 | return value; |
---|
| 2266 | }; |
---|
| 2267 | |
---|
| 2268 | Element.Methods.setOpacity = function(element, value) { |
---|
| 2269 | function stripAlpha(filter){ |
---|
| 2270 | return filter.replace(/alpha\([^\)]*\)/gi,''); |
---|
| 2271 | } |
---|
| 2272 | element = $(element); |
---|
| 2273 | var currentStyle = element.currentStyle; |
---|
| 2274 | if ((currentStyle && !currentStyle.hasLayout) || |
---|
| 2275 | (!currentStyle && element.style.zoom == 'normal')) |
---|
| 2276 | element.style.zoom = 1; |
---|
| 2277 | |
---|
| 2278 | var filter = element.getStyle('filter'), style = element.style; |
---|
| 2279 | if (value == 1 || value === '') { |
---|
| 2280 | (filter = stripAlpha(filter)) ? |
---|
| 2281 | style.filter = filter : style.removeAttribute('filter'); |
---|
| 2282 | return element; |
---|
| 2283 | } else if (value < 0.00001) value = 0; |
---|
| 2284 | style.filter = stripAlpha(filter) + |
---|
| 2285 | 'alpha(opacity=' + (value * 100) + ')'; |
---|
| 2286 | return element; |
---|
| 2287 | }; |
---|
| 2288 | |
---|
| 2289 | Element._attributeTranslations = { |
---|
| 2290 | read: { |
---|
| 2291 | names: { |
---|
| 2292 | 'class': 'className', |
---|
| 2293 | 'for': 'htmlFor' |
---|
| 2294 | }, |
---|
| 2295 | values: { |
---|
| 2296 | _getAttr: function(element, attribute) { |
---|
| 2297 | return element.getAttribute(attribute, 2); |
---|
| 2298 | }, |
---|
| 2299 | _getAttrNode: function(element, attribute) { |
---|
| 2300 | var node = element.getAttributeNode(attribute); |
---|
| 2301 | return node ? node.value : ""; |
---|
| 2302 | }, |
---|
| 2303 | _getEv: function(element, attribute) { |
---|
| 2304 | var attribute = element.getAttribute(attribute); |
---|
| 2305 | return attribute ? attribute.toString().slice(23, -2) : null; |
---|
| 2306 | }, |
---|
| 2307 | _flag: function(element, attribute) { |
---|
| 2308 | return $(element).hasAttribute(attribute) ? attribute : null; |
---|
| 2309 | }, |
---|
| 2310 | style: function(element) { |
---|
| 2311 | return element.style.cssText.toLowerCase(); |
---|
| 2312 | }, |
---|
| 2313 | title: function(element) { |
---|
| 2314 | return element.title; |
---|
| 2315 | } |
---|
| 2316 | } |
---|
| 2317 | } |
---|
| 2318 | }; |
---|
| 2319 | |
---|
| 2320 | Element._attributeTranslations.write = { |
---|
| 2321 | names: Object.clone(Element._attributeTranslations.read.names), |
---|
| 2322 | values: { |
---|
| 2323 | checked: function(element, value) { |
---|
| 2324 | element.checked = !!value; |
---|
| 2325 | }, |
---|
| 2326 | |
---|
| 2327 | style: function(element, value) { |
---|
| 2328 | element.style.cssText = value ? value : ''; |
---|
| 2329 | } |
---|
| 2330 | } |
---|
| 2331 | }; |
---|
| 2332 | |
---|
| 2333 | Element._attributeTranslations.has = {}; |
---|
| 2334 | |
---|
| 2335 | $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + |
---|
| 2336 | 'encType maxLength readOnly longDesc').each(function(attr) { |
---|
| 2337 | Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; |
---|
| 2338 | Element._attributeTranslations.has[attr.toLowerCase()] = attr; |
---|
| 2339 | }); |
---|
| 2340 | |
---|
| 2341 | (function(v) { |
---|
| 2342 | Object.extend(v, { |
---|
| 2343 | href: v._getAttr, |
---|
| 2344 | src: v._getAttr, |
---|
| 2345 | type: v._getAttr, |
---|
| 2346 | action: v._getAttrNode, |
---|
| 2347 | disabled: v._flag, |
---|
| 2348 | checked: v._flag, |
---|
| 2349 | readonly: v._flag, |
---|
| 2350 | multiple: v._flag, |
---|
| 2351 | onload: v._getEv, |
---|
| 2352 | onunload: v._getEv, |
---|
| 2353 | onclick: v._getEv, |
---|
| 2354 | ondblclick: v._getEv, |
---|
| 2355 | onmousedown: v._getEv, |
---|
| 2356 | onmouseup: v._getEv, |
---|
| 2357 | onmouseover: v._getEv, |
---|
| 2358 | onmousemove: v._getEv, |
---|
| 2359 | onmouseout: v._getEv, |
---|
| 2360 | onfocus: v._getEv, |
---|
| 2361 | onblur: v._getEv, |
---|
| 2362 | onkeypress: v._getEv, |
---|
| 2363 | onkeydown: v._getEv, |
---|
| 2364 | onkeyup: v._getEv, |
---|
| 2365 | onsubmit: v._getEv, |
---|
| 2366 | onreset: v._getEv, |
---|
| 2367 | onselect: v._getEv, |
---|
| 2368 | onchange: v._getEv |
---|
| 2369 | }); |
---|
| 2370 | })(Element._attributeTranslations.read.values); |
---|
| 2371 | } |
---|
| 2372 | |
---|
| 2373 | else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { |
---|
| 2374 | Element.Methods.setOpacity = function(element, value) { |
---|
| 2375 | element = $(element); |
---|
| 2376 | element.style.opacity = (value == 1) ? 0.999999 : |
---|
| 2377 | (value === '') ? '' : (value < 0.00001) ? 0 : value; |
---|
| 2378 | return element; |
---|
| 2379 | }; |
---|
| 2380 | } |
---|
| 2381 | |
---|
| 2382 | else if (Prototype.Browser.WebKit) { |
---|
| 2383 | Element.Methods.setOpacity = function(element, value) { |
---|
| 2384 | element = $(element); |
---|
| 2385 | element.style.opacity = (value == 1 || value === '') ? '' : |
---|
| 2386 | (value < 0.00001) ? 0 : value; |
---|
| 2387 | |
---|
| 2388 | if (value == 1) |
---|
| 2389 | if(element.tagName == 'IMG' && element.width) { |
---|
| 2390 | element.width++; element.width--; |
---|
| 2391 | } else try { |
---|
| 2392 | var n = document.createTextNode(' '); |
---|
| 2393 | element.appendChild(n); |
---|
| 2394 | element.removeChild(n); |
---|
| 2395 | } catch (e) { } |
---|
| 2396 | |
---|
| 2397 | return element; |
---|
| 2398 | }; |
---|
| 2399 | |
---|
| 2400 | // Safari returns margins on body which is incorrect if the child is absolutely |
---|
| 2401 | // positioned. For performance reasons, redefine Position.cumulativeOffset for |
---|
| 2402 | // KHTML/WebKit only. |
---|
| 2403 | Element.Methods.cumulativeOffset = function(element) { |
---|
| 2404 | var valueT = 0, valueL = 0; |
---|
| 2405 | do { |
---|
| 2406 | valueT += element.offsetTop || 0; |
---|
| 2407 | valueL += element.offsetLeft || 0; |
---|
| 2408 | if (element.offsetParent == document.body) |
---|
| 2409 | if (Element.getStyle(element, 'position') == 'absolute') break; |
---|
| 2410 | |
---|
| 2411 | element = element.offsetParent; |
---|
| 2412 | } while (element); |
---|
| 2413 | |
---|
| 2414 | return Element._returnOffset(valueL, valueT); |
---|
| 2415 | }; |
---|
| 2416 | } |
---|
| 2417 | |
---|
| 2418 | if (Prototype.Browser.IE || Prototype.Browser.Opera) { |
---|
| 2419 | // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements |
---|
| 2420 | Element.Methods.update = function(element, content) { |
---|
| 2421 | element = $(element); |
---|
| 2422 | |
---|
| 2423 | if (content && content.toElement) content = content.toElement(); |
---|
| 2424 | if (Object.isElement(content)) return element.update().insert(content); |
---|
| 2425 | |
---|
| 2426 | content = Object.toHTML(content); |
---|
| 2427 | var tagName = element.tagName.toUpperCase(); |
---|
| 2428 | |
---|
| 2429 | if (tagName in Element._insertionTranslations.tags) { |
---|
| 2430 | $A(element.childNodes).each(function(node) { element.removeChild(node) }); |
---|
| 2431 | Element._getContentFromAnonymousElement(tagName, content.stripScripts()) |
---|
| 2432 | .each(function(node) { element.appendChild(node) }); |
---|
| 2433 | } |
---|
| 2434 | else element.innerHTML = content.stripScripts(); |
---|
| 2435 | |
---|
| 2436 | content.evalScripts.bind(content).defer(); |
---|
| 2437 | return element; |
---|
| 2438 | }; |
---|
| 2439 | } |
---|
| 2440 | |
---|
| 2441 | if (document.createElement('div').outerHTML) { |
---|
| 2442 | Element.Methods.replace = function(element, content) { |
---|
| 2443 | element = $(element); |
---|
| 2444 | |
---|
| 2445 | if (content && content.toElement) content = content.toElement(); |
---|
| 2446 | if (Object.isElement(content)) { |
---|
| 2447 | element.parentNode.replaceChild(content, element); |
---|
| 2448 | return element; |
---|
| 2449 | } |
---|
| 2450 | |
---|
| 2451 | content = Object.toHTML(content); |
---|
| 2452 | var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); |
---|
| 2453 | |
---|
| 2454 | if (Element._insertionTranslations.tags[tagName]) { |
---|
| 2455 | var nextSibling = element.next(); |
---|
| 2456 | var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
---|
| 2457 | parent.removeChild(element); |
---|
| 2458 | if (nextSibling) |
---|
| 2459 | fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); |
---|
| 2460 | else |
---|
| 2461 | fragments.each(function(node) { parent.appendChild(node) }); |
---|
| 2462 | } |
---|
| 2463 | else element.outerHTML = content.stripScripts(); |
---|
| 2464 | |
---|
| 2465 | content.evalScripts.bind(content).defer(); |
---|
| 2466 | return element; |
---|
| 2467 | }; |
---|
| 2468 | } |
---|
| 2469 | |
---|
| 2470 | Element._returnOffset = function(l, t) { |
---|
| 2471 | var result = [l, t]; |
---|
| 2472 | result.left = l; |
---|
| 2473 | result.top = t; |
---|
| 2474 | return result; |
---|
| 2475 | }; |
---|
| 2476 | |
---|
| 2477 | Element._getContentFromAnonymousElement = function(tagName, html) { |
---|
| 2478 | var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; |
---|
| 2479 | div.innerHTML = t[0] + html + t[1]; |
---|
| 2480 | t[2].times(function() { div = div.firstChild }); |
---|
| 2481 | return $A(div.childNodes); |
---|
| 2482 | }; |
---|
| 2483 | |
---|
| 2484 | Element._insertionTranslations = { |
---|
| 2485 | before: { |
---|
| 2486 | adjacency: 'beforeBegin', |
---|
| 2487 | insert: function(element, node) { |
---|
| 2488 | element.parentNode.insertBefore(node, element); |
---|
| 2489 | }, |
---|
| 2490 | initializeRange: function(element, range) { |
---|
| 2491 | range.setStartBefore(element); |
---|
| 2492 | } |
---|
| 2493 | }, |
---|
| 2494 | top: { |
---|
| 2495 | adjacency: 'afterBegin', |
---|
| 2496 | insert: function(element, node) { |
---|
| 2497 | element.insertBefore(node, element.firstChild); |
---|
| 2498 | }, |
---|
| 2499 | initializeRange: function(element, range) { |
---|
| 2500 | range.selectNodeContents(element); |
---|
| 2501 | range.collapse(true); |
---|
| 2502 | } |
---|
| 2503 | }, |
---|
| 2504 | bottom: { |
---|
| 2505 | adjacency: 'beforeEnd', |
---|
| 2506 | insert: function(element, node) { |
---|
| 2507 | element.appendChild(node); |
---|
| 2508 | } |
---|
| 2509 | }, |
---|
| 2510 | after: { |
---|
| 2511 | adjacency: 'afterEnd', |
---|
| 2512 | insert: function(element, node) { |
---|
| 2513 | element.parentNode.insertBefore(node, element.nextSibling); |
---|
| 2514 | }, |
---|
| 2515 | initializeRange: function(element, range) { |
---|
| 2516 | range.setStartAfter(element); |
---|
| 2517 | } |
---|
| 2518 | }, |
---|
| 2519 | tags: { |
---|
| 2520 | TABLE: ['<table>', '</table>', 1], |
---|
| 2521 | TBODY: ['<table><tbody>', '</tbody></table>', 2], |
---|
| 2522 | TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3], |
---|
| 2523 | TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4], |
---|
| 2524 | SELECT: ['<select>', '</select>', 1] |
---|
| 2525 | } |
---|
| 2526 | }; |
---|
| 2527 | |
---|
| 2528 | (function() { |
---|
| 2529 | this.bottom.initializeRange = this.top.initializeRange; |
---|
| 2530 | Object.extend(this.tags, { |
---|
| 2531 | THEAD: this.tags.TBODY, |
---|
| 2532 | TFOOT: this.tags.TBODY, |
---|
| 2533 | TH: this.tags.TD |
---|
| 2534 | }); |
---|
| 2535 | }).call(Element._insertionTranslations); |
---|
| 2536 | |
---|
| 2537 | Element.Methods.Simulated = { |
---|
| 2538 | hasAttribute: function(element, attribute) { |
---|
| 2539 | attribute = Element._attributeTranslations.has[attribute] || attribute; |
---|
| 2540 | var node = $(element).getAttributeNode(attribute); |
---|
| 2541 | return node && node.specified; |
---|
| 2542 | } |
---|
| 2543 | }; |
---|
| 2544 | |
---|
| 2545 | Element.Methods.ByTag = { }; |
---|
| 2546 | |
---|
| 2547 | Object.extend(Element, Element.Methods); |
---|
| 2548 | |
---|
| 2549 | if (!Prototype.BrowserFeatures.ElementExtensions && |
---|
| 2550 | document.createElement('div').__proto__) { |
---|
| 2551 | window.HTMLElement = { }; |
---|
| 2552 | window.HTMLElement.prototype = document.createElement('div').__proto__; |
---|
| 2553 | Prototype.BrowserFeatures.ElementExtensions = true; |
---|
| 2554 | } |
---|
| 2555 | |
---|
| 2556 | Element.extend = (function() { |
---|
| 2557 | if (Prototype.BrowserFeatures.SpecificElementExtensions) |
---|
| 2558 | return Prototype.K; |
---|
| 2559 | |
---|
| 2560 | var Methods = { }, ByTag = Element.Methods.ByTag; |
---|
| 2561 | |
---|
| 2562 | var extend = Object.extend(function(element) { |
---|
| 2563 | if (!element || element._extendedByPrototype || |
---|
| 2564 | element.nodeType != 1 || element == window) return element; |
---|
| 2565 | |
---|
| 2566 | var methods = Object.clone(Methods), |
---|
| 2567 | tagName = element.tagName, property, value; |
---|
| 2568 | |
---|
| 2569 | // extend methods for specific tags |
---|
| 2570 | if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); |
---|
| 2571 | |
---|
| 2572 | for (property in methods) { |
---|
| 2573 | value = methods[property]; |
---|
| 2574 | if (Object.isFunction(value) && !(property in element)) |
---|
| 2575 | element[property] = value.methodize(); |
---|
| 2576 | } |
---|
| 2577 | |
---|
| 2578 | element._extendedByPrototype = Prototype.emptyFunction; |
---|
| 2579 | return element; |
---|
| 2580 | |
---|
| 2581 | }, { |
---|
| 2582 | refresh: function() { |
---|
| 2583 | // extend methods for all tags (Safari doesn't need this) |
---|
| 2584 | if (!Prototype.BrowserFeatures.ElementExtensions) { |
---|
| 2585 | Object.extend(Methods, Element.Methods); |
---|
| 2586 | Object.extend(Methods, Element.Methods.Simulated); |
---|
| 2587 | } |
---|
| 2588 | } |
---|
| 2589 | }); |
---|
| 2590 | |
---|
| 2591 | extend.refresh(); |
---|
| 2592 | return extend; |
---|
| 2593 | })(); |
---|
| 2594 | |
---|
| 2595 | Element.hasAttribute = function(element, attribute) { |
---|
| 2596 | if (element.hasAttribute) return element.hasAttribute(attribute); |
---|
| 2597 | return Element.Methods.Simulated.hasAttribute(element, attribute); |
---|
| 2598 | }; |
---|
| 2599 | |
---|
| 2600 | Element.addMethods = function(methods) { |
---|
| 2601 | var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; |
---|
| 2602 | |
---|
| 2603 | if (!methods) { |
---|
| 2604 | Object.extend(Form, Form.Methods); |
---|
| 2605 | Object.extend(Form.Element, Form.Element.Methods); |
---|
| 2606 | Object.extend(Element.Methods.ByTag, { |
---|
| 2607 | "FORM": Object.clone(Form.Methods), |
---|
| 2608 | "INPUT": Object.clone(Form.Element.Methods), |
---|
| 2609 | "SELECT": Object.clone(Form.Element.Methods), |
---|
| 2610 | "TEXTAREA": Object.clone(Form.Element.Methods) |
---|
| 2611 | }); |
---|
| 2612 | } |
---|
| 2613 | |
---|
| 2614 | if (arguments.length == 2) { |
---|
| 2615 | var tagName = methods; |
---|
| 2616 | methods = arguments[1]; |
---|
| 2617 | } |
---|
| 2618 | |
---|
| 2619 | if (!tagName) Object.extend(Element.Methods, methods || { }); |
---|
| 2620 | else { |
---|
| 2621 | if (Object.isArray(tagName)) tagName.each(extend); |
---|
| 2622 | else extend(tagName); |
---|
| 2623 | } |
---|
| 2624 | |
---|
| 2625 | function extend(tagName) { |
---|
| 2626 | tagName = tagName.toUpperCase(); |
---|
| 2627 | if (!Element.Methods.ByTag[tagName]) |
---|
| 2628 | Element.Methods.ByTag[tagName] = { }; |
---|
| 2629 | Object.extend(Element.Methods.ByTag[tagName], methods); |
---|
| 2630 | } |
---|
| 2631 | |
---|
| 2632 | function copy(methods, destination, onlyIfAbsent) { |
---|
| 2633 | onlyIfAbsent = onlyIfAbsent || false; |
---|
| 2634 | for (var property in methods) { |
---|
| 2635 | var value = methods[property]; |
---|
| 2636 | if (!Object.isFunction(value)) continue; |
---|
| 2637 | if (!onlyIfAbsent || !(property in destination)) |
---|
| 2638 | destination[property] = value.methodize(); |
---|
| 2639 | } |
---|
| 2640 | } |
---|
| 2641 | |
---|
| 2642 | function findDOMClass(tagName) { |
---|
| 2643 | var klass; |
---|
| 2644 | var trans = { |
---|
| 2645 | "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", |
---|
| 2646 | "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", |
---|
| 2647 | "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", |
---|
| 2648 | "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", |
---|
| 2649 | "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": |
---|
| 2650 | "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": |
---|
| 2651 | "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": |
---|
| 2652 | "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": |
---|
| 2653 | "FrameSet", "IFRAME": "IFrame" |
---|
| 2654 | }; |
---|
| 2655 | if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; |
---|
| 2656 | if (window[klass]) return window[klass]; |
---|
| 2657 | klass = 'HTML' + tagName + 'Element'; |
---|
| 2658 | if (window[klass]) return window[klass]; |
---|
| 2659 | klass = 'HTML' + tagName.capitalize() + 'Element'; |
---|
| 2660 | if (window[klass]) return window[klass]; |
---|
| 2661 | |
---|
| 2662 | window[klass] = { }; |
---|
| 2663 | window[klass].prototype = document.createElement(tagName).__proto__; |
---|
| 2664 | return window[klass]; |
---|
| 2665 | } |
---|
| 2666 | |
---|
| 2667 | if (F.ElementExtensions) { |
---|
| 2668 | copy(Element.Methods, HTMLElement.prototype); |
---|
| 2669 | copy(Element.Methods.Simulated, HTMLElement.prototype, true); |
---|
| 2670 | } |
---|
| 2671 | |
---|
| 2672 | if (F.SpecificElementExtensions) { |
---|
| 2673 | for (var tag in Element.Methods.ByTag) { |
---|
| 2674 | var klass = findDOMClass(tag); |
---|
| 2675 | if (Object.isUndefined(klass)) continue; |
---|
| 2676 | copy(T[tag], klass.prototype); |
---|
| 2677 | } |
---|
| 2678 | } |
---|
| 2679 | |
---|
| 2680 | Object.extend(Element, Element.Methods); |
---|
| 2681 | delete Element.ByTag; |
---|
| 2682 | |
---|
| 2683 | if (Element.extend.refresh) Element.extend.refresh(); |
---|
| 2684 | Element.cache = { }; |
---|
| 2685 | }; |
---|
| 2686 | |
---|
| 2687 | document.viewport = { |
---|
| 2688 | getDimensions: function() { |
---|
| 2689 | var dimensions = { }; |
---|
| 2690 | $w('width height').each(function(d) { |
---|
| 2691 | var D = d.capitalize(); |
---|
| 2692 | dimensions[d] = self['inner' + D] || |
---|
| 2693 | (document.documentElement['client' + D] || document.body['client' + D]); |
---|
| 2694 | }); |
---|
| 2695 | return dimensions; |
---|
| 2696 | }, |
---|
| 2697 | |
---|
| 2698 | getWidth: function() { |
---|
| 2699 | return this.getDimensions().width; |
---|
| 2700 | }, |
---|
| 2701 | |
---|
| 2702 | getHeight: function() { |
---|
| 2703 | return this.getDimensions().height; |
---|
| 2704 | }, |
---|
| 2705 | |
---|
| 2706 | getScrollOffsets: function() { |
---|
| 2707 | return Element._returnOffset( |
---|
| 2708 | window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, |
---|
| 2709 | window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); |
---|
| 2710 | } |
---|
| 2711 | }; |
---|
| 2712 | /* Portions of the Selector class are derived from Jack Slocumâs DomQuery, |
---|
| 2713 | * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style |
---|
| 2714 | * license. Please see http://www.yui-ext.com/ for more information. */ |
---|
| 2715 | |
---|
| 2716 | var Selector = Class.create({ |
---|
| 2717 | initialize: function(expression) { |
---|
| 2718 | this.expression = expression.strip(); |
---|
| 2719 | this.compileMatcher(); |
---|
| 2720 | }, |
---|
| 2721 | |
---|
| 2722 | compileMatcher: function() { |
---|
| 2723 | // Selectors with namespaced attributes can't use the XPath version |
---|
| 2724 | if (Prototype.BrowserFeatures.XPath && !(/(\[[\w-]*?:|:checked)/).test(this.expression)) |
---|
| 2725 | return this.compileXPathMatcher(); |
---|
| 2726 | |
---|
| 2727 | var e = this.expression, ps = Selector.patterns, h = Selector.handlers, |
---|
| 2728 | c = Selector.criteria, le, p, m; |
---|
| 2729 | |
---|
| 2730 | if (Selector._cache[e]) { |
---|
| 2731 | this.matcher = Selector._cache[e]; |
---|
| 2732 | return; |
---|
| 2733 | } |
---|
| 2734 | |
---|
| 2735 | this.matcher = ["this.matcher = function(root) {", |
---|
| 2736 | "var r = root, h = Selector.handlers, c = false, n;"]; |
---|
| 2737 | |
---|
| 2738 | while (e && le != e && (/\S/).test(e)) { |
---|
| 2739 | le = e; |
---|
| 2740 | for (var i in ps) { |
---|
| 2741 | p = ps[i]; |
---|
| 2742 | if (m = e.match(p)) { |
---|
| 2743 | this.matcher.push(Object.isFunction(c[i]) ? c[i](m) : |
---|
| 2744 | new Template(c[i]).evaluate(m)); |
---|
| 2745 | e = e.replace(m[0], ''); |
---|
| 2746 | break; |
---|
| 2747 | } |
---|
| 2748 | } |
---|
| 2749 | } |
---|
| 2750 | |
---|
| 2751 | this.matcher.push("return h.unique(n);\n}"); |
---|
| 2752 | eval(this.matcher.join('\n')); |
---|
| 2753 | Selector._cache[this.expression] = this.matcher; |
---|
| 2754 | }, |
---|
| 2755 | |
---|
| 2756 | compileXPathMatcher: function() { |
---|
| 2757 | var e = this.expression, ps = Selector.patterns, |
---|
| 2758 | x = Selector.xpath, le, m; |
---|
| 2759 | |
---|
| 2760 | if (Selector._cache[e]) { |
---|
| 2761 | this.xpath = Selector._cache[e]; return; |
---|
| 2762 | } |
---|
| 2763 | |
---|
| 2764 | this.matcher = ['.//*']; |
---|
| 2765 | while (e && le != e && (/\S/).test(e)) { |
---|
| 2766 | le = e; |
---|
| 2767 | for (var i in ps) { |
---|
| 2768 | if (m = e.match(ps[i])) { |
---|
| 2769 | this.matcher.push(Object.isFunction(x[i]) ? x[i](m) : |
---|
| 2770 | new Template(x[i]).evaluate(m)); |
---|
| 2771 | e = e.replace(m[0], ''); |
---|
| 2772 | break; |
---|
| 2773 | } |
---|
| 2774 | } |
---|
| 2775 | } |
---|
| 2776 | |
---|
| 2777 | this.xpath = this.matcher.join(''); |
---|
| 2778 | Selector._cache[this.expression] = this.xpath; |
---|
| 2779 | }, |
---|
| 2780 | |
---|
| 2781 | findElements: function(root) { |
---|
| 2782 | root = root || document; |
---|
| 2783 | if (this.xpath) return document._getElementsByXPath(this.xpath, root); |
---|
| 2784 | return this.matcher(root); |
---|
| 2785 | }, |
---|
| 2786 | |
---|
| 2787 | match: function(element) { |
---|
| 2788 | this.tokens = []; |
---|
| 2789 | |
---|
| 2790 | var e = this.expression, ps = Selector.patterns, as = Selector.assertions; |
---|
| 2791 | var le, p, m; |
---|
| 2792 | |
---|
| 2793 | while (e && le !== e && (/\S/).test(e)) { |
---|
| 2794 | le = e; |
---|
| 2795 | for (var i in ps) { |
---|
| 2796 | p = ps[i]; |
---|
| 2797 | if (m = e.match(p)) { |
---|
| 2798 | // use the Selector.assertions methods unless the selector |
---|
| 2799 | // is too complex. |
---|
| 2800 | if (as[i]) { |
---|
| 2801 | this.tokens.push([i, Object.clone(m)]); |
---|
| 2802 | e = e.replace(m[0], ''); |
---|
| 2803 | } else { |
---|
| 2804 | // reluctantly do a document-wide search |
---|
| 2805 | // and look for a match in the array |
---|
| 2806 | return this.findElements(document).include(element); |
---|
| 2807 | } |
---|
| 2808 | } |
---|
| 2809 | } |
---|
| 2810 | } |
---|
| 2811 | |
---|
| 2812 | var match = true, name, matches; |
---|
| 2813 | for (var i = 0, token; token = this.tokens[i]; i++) { |
---|
| 2814 | name = token[0], matches = token[1]; |
---|
| 2815 | if (!Selector.assertions[name](element, matches)) { |
---|
| 2816 | match = false; break; |
---|
| 2817 | } |
---|
| 2818 | } |
---|
| 2819 | |
---|
| 2820 | return match; |
---|
| 2821 | }, |
---|
| 2822 | |
---|
| 2823 | toString: function() { |
---|
| 2824 | return this.expression; |
---|
| 2825 | }, |
---|
| 2826 | |
---|
| 2827 | inspect: function() { |
---|
| 2828 | return "#<Selector:" + this.expression.inspect() + ">"; |
---|
| 2829 | } |
---|
| 2830 | }); |
---|
| 2831 | |
---|
| 2832 | Object.extend(Selector, { |
---|
| 2833 | _cache: { }, |
---|
| 2834 | |
---|
| 2835 | xpath: { |
---|
| 2836 | descendant: "//*", |
---|
| 2837 | child: "/*", |
---|
| 2838 | adjacent: "/following-sibling::*[1]", |
---|
| 2839 | laterSibling: '/following-sibling::*', |
---|
| 2840 | tagName: function(m) { |
---|
| 2841 | if (m[1] == '*') return ''; |
---|
| 2842 | return "[local-name()='" + m[1].toLowerCase() + |
---|
| 2843 | "' or local-name()='" + m[1].toUpperCase() + "']"; |
---|
| 2844 | }, |
---|
| 2845 | className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", |
---|
| 2846 | id: "[@id='#{1}']", |
---|
| 2847 | attrPresence: "[@#{1}]", |
---|
| 2848 | attr: function(m) { |
---|
| 2849 | m[3] = m[5] || m[6]; |
---|
| 2850 | return new Template(Selector.xpath.operators[m[2]]).evaluate(m); |
---|
| 2851 | }, |
---|
| 2852 | pseudo: function(m) { |
---|
| 2853 | var h = Selector.xpath.pseudos[m[1]]; |
---|
| 2854 | if (!h) return ''; |
---|
| 2855 | if (Object.isFunction(h)) return h(m); |
---|
| 2856 | return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); |
---|
| 2857 | }, |
---|
| 2858 | operators: { |
---|
| 2859 | '=': "[@#{1}='#{3}']", |
---|
| 2860 | '!=': "[@#{1}!='#{3}']", |
---|
| 2861 | '^=': "[starts-with(@#{1}, '#{3}')]", |
---|
| 2862 | '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", |
---|
| 2863 | '*=': "[contains(@#{1}, '#{3}')]", |
---|
| 2864 | '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", |
---|
| 2865 | '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" |
---|
| 2866 | }, |
---|
| 2867 | pseudos: { |
---|
| 2868 | 'first-child': '[not(preceding-sibling::*)]', |
---|
| 2869 | 'last-child': '[not(following-sibling::*)]', |
---|
| 2870 | 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', |
---|
| 2871 | 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", |
---|
| 2872 | 'checked': "[@checked]", |
---|
| 2873 | 'disabled': "[@disabled]", |
---|
| 2874 | 'enabled': "[not(@disabled)]", |
---|
| 2875 | 'not': function(m) { |
---|
| 2876 | var e = m[6], p = Selector.patterns, |
---|
| 2877 | x = Selector.xpath, le, m, v; |
---|
| 2878 | |
---|
| 2879 | var exclusion = []; |
---|
| 2880 | while (e && le != e && (/\S/).test(e)) { |
---|
| 2881 | le = e; |
---|
| 2882 | for (var i in p) { |
---|
| 2883 | if (m = e.match(p[i])) { |
---|
| 2884 | v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m); |
---|
| 2885 | exclusion.push("(" + v.substring(1, v.length - 1) + ")"); |
---|
| 2886 | e = e.replace(m[0], ''); |
---|
| 2887 | break; |
---|
| 2888 | } |
---|
| 2889 | } |
---|
| 2890 | } |
---|
| 2891 | return "[not(" + exclusion.join(" and ") + ")]"; |
---|
| 2892 | }, |
---|
| 2893 | 'nth-child': function(m) { |
---|
| 2894 | return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); |
---|
| 2895 | }, |
---|
| 2896 | 'nth-last-child': function(m) { |
---|
| 2897 | return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); |
---|
| 2898 | }, |
---|
| 2899 | 'nth-of-type': function(m) { |
---|
| 2900 | return Selector.xpath.pseudos.nth("position() ", m); |
---|
| 2901 | }, |
---|
| 2902 | 'nth-last-of-type': function(m) { |
---|
| 2903 | return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); |
---|
| 2904 | }, |
---|
| 2905 | 'first-of-type': function(m) { |
---|
| 2906 | m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); |
---|
| 2907 | }, |
---|
| 2908 | 'last-of-type': function(m) { |
---|
| 2909 | m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); |
---|
| 2910 | }, |
---|
| 2911 | 'only-of-type': function(m) { |
---|
| 2912 | var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); |
---|
| 2913 | }, |
---|
| 2914 | nth: function(fragment, m) { |
---|
| 2915 | var mm, formula = m[6], predicate; |
---|
| 2916 | if (formula == 'even') formula = '2n+0'; |
---|
| 2917 | if (formula == 'odd') formula = '2n+1'; |
---|
| 2918 | if (mm = formula.match(/^(\d+)$/)) // digit only |
---|
| 2919 | return '[' + fragment + "= " + mm[1] + ']'; |
---|
| 2920 | if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
---|
| 2921 | if (mm[1] == "-") mm[1] = -1; |
---|
| 2922 | var a = mm[1] ? Number(mm[1]) : 1; |
---|
| 2923 | var b = mm[2] ? Number(mm[2]) : 0; |
---|
| 2924 | predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + |
---|
| 2925 | "((#{fragment} - #{b}) div #{a} >= 0)]"; |
---|
| 2926 | return new Template(predicate).evaluate({ |
---|
| 2927 | fragment: fragment, a: a, b: b }); |
---|
| 2928 | } |
---|
| 2929 | } |
---|
| 2930 | } |
---|
| 2931 | }, |
---|
| 2932 | |
---|
| 2933 | criteria: { |
---|
| 2934 | tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', |
---|
| 2935 | className: 'n = h.className(n, r, "#{1}", c); c = false;', |
---|
| 2936 | id: 'n = h.id(n, r, "#{1}", c); c = false;', |
---|
| 2937 | attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;', |
---|
| 2938 | attr: function(m) { |
---|
| 2939 | m[3] = (m[5] || m[6]); |
---|
| 2940 | return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m); |
---|
| 2941 | }, |
---|
| 2942 | pseudo: function(m) { |
---|
| 2943 | if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); |
---|
| 2944 | return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); |
---|
| 2945 | }, |
---|
| 2946 | descendant: 'c = "descendant";', |
---|
| 2947 | child: 'c = "child";', |
---|
| 2948 | adjacent: 'c = "adjacent";', |
---|
| 2949 | laterSibling: 'c = "laterSibling";' |
---|
| 2950 | }, |
---|
| 2951 | |
---|
| 2952 | patterns: { |
---|
| 2953 | // combinators must be listed first |
---|
| 2954 | // (and descendant needs to be last combinator) |
---|
| 2955 | laterSibling: /^\s*~\s*/, |
---|
| 2956 | child: /^\s*>\s*/, |
---|
| 2957 | adjacent: /^\s*\+\s*/, |
---|
| 2958 | descendant: /^\s/, |
---|
| 2959 | |
---|
| 2960 | // selectors follow |
---|
| 2961 | tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, |
---|
| 2962 | id: /^#([\w\-\*]+)(\b|$)/, |
---|
| 2963 | className: /^\.([\w\-\*]+)(\b|$)/, |
---|
| 2964 | pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s)|(?=:))/, |
---|
| 2965 | attrPresence: /^\[([\w]+)\]/, |
---|
| 2966 | attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ |
---|
| 2967 | }, |
---|
| 2968 | |
---|
| 2969 | // for Selector.match and Element#match |
---|
| 2970 | assertions: { |
---|
| 2971 | tagName: function(element, matches) { |
---|
| 2972 | return matches[1].toUpperCase() == element.tagName.toUpperCase(); |
---|
| 2973 | }, |
---|
| 2974 | |
---|
| 2975 | className: function(element, matches) { |
---|
| 2976 | return Element.hasClassName(element, matches[1]); |
---|
| 2977 | }, |
---|
| 2978 | |
---|
| 2979 | id: function(element, matches) { |
---|
| 2980 | return element.id === matches[1]; |
---|
| 2981 | }, |
---|
| 2982 | |
---|
| 2983 | attrPresence: function(element, matches) { |
---|
| 2984 | return Element.hasAttribute(element, matches[1]); |
---|
| 2985 | }, |
---|
| 2986 | |
---|
| 2987 | attr: function(element, matches) { |
---|
| 2988 | var nodeValue = Element.readAttribute(element, matches[1]); |
---|
| 2989 | return Selector.operators[matches[2]](nodeValue, matches[3]); |
---|
| 2990 | } |
---|
| 2991 | }, |
---|
| 2992 | |
---|
| 2993 | handlers: { |
---|
| 2994 | // UTILITY FUNCTIONS |
---|
| 2995 | // joins two collections |
---|
| 2996 | concat: function(a, b) { |
---|
| 2997 | for (var i = 0, node; node = b[i]; i++) |
---|
| 2998 | a.push(node); |
---|
| 2999 | return a; |
---|
| 3000 | }, |
---|
| 3001 | |
---|
| 3002 | // marks an array of nodes for counting |
---|
| 3003 | mark: function(nodes) { |
---|
| 3004 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3005 | node._counted = true; |
---|
| 3006 | return nodes; |
---|
| 3007 | }, |
---|
| 3008 | |
---|
| 3009 | unmark: function(nodes) { |
---|
| 3010 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3011 | node._counted = undefined; |
---|
| 3012 | return nodes; |
---|
| 3013 | }, |
---|
| 3014 | |
---|
| 3015 | // mark each child node with its position (for nth calls) |
---|
| 3016 | // "ofType" flag indicates whether we're indexing for nth-of-type |
---|
| 3017 | // rather than nth-child |
---|
| 3018 | index: function(parentNode, reverse, ofType) { |
---|
| 3019 | parentNode._counted = true; |
---|
| 3020 | if (reverse) { |
---|
| 3021 | for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { |
---|
| 3022 | var node = nodes[i]; |
---|
| 3023 | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; |
---|
| 3024 | } |
---|
| 3025 | } else { |
---|
| 3026 | for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) |
---|
| 3027 | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; |
---|
| 3028 | } |
---|
| 3029 | }, |
---|
| 3030 | |
---|
| 3031 | // filters out duplicates and extends all nodes |
---|
| 3032 | unique: function(nodes) { |
---|
| 3033 | if (nodes.length == 0) return nodes; |
---|
| 3034 | var results = [], n; |
---|
| 3035 | for (var i = 0, l = nodes.length; i < l; i++) |
---|
| 3036 | if (!(n = nodes[i])._counted) { |
---|
| 3037 | n._counted = true; |
---|
| 3038 | results.push(Element.extend(n)); |
---|
| 3039 | } |
---|
| 3040 | return Selector.handlers.unmark(results); |
---|
| 3041 | }, |
---|
| 3042 | |
---|
| 3043 | // COMBINATOR FUNCTIONS |
---|
| 3044 | descendant: function(nodes) { |
---|
| 3045 | var h = Selector.handlers; |
---|
| 3046 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3047 | h.concat(results, node.getElementsByTagName('*')); |
---|
| 3048 | return results; |
---|
| 3049 | }, |
---|
| 3050 | |
---|
| 3051 | child: function(nodes) { |
---|
| 3052 | var h = Selector.handlers; |
---|
| 3053 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 3054 | for (var j = 0, children = [], child; child = node.childNodes[j]; j++) |
---|
| 3055 | if (child.nodeType == 1 && child.tagName != '!') results.push(child); |
---|
| 3056 | } |
---|
| 3057 | return results; |
---|
| 3058 | }, |
---|
| 3059 | |
---|
| 3060 | adjacent: function(nodes) { |
---|
| 3061 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 3062 | var next = this.nextElementSibling(node); |
---|
| 3063 | if (next) results.push(next); |
---|
| 3064 | } |
---|
| 3065 | return results; |
---|
| 3066 | }, |
---|
| 3067 | |
---|
| 3068 | laterSibling: function(nodes) { |
---|
| 3069 | var h = Selector.handlers; |
---|
| 3070 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3071 | h.concat(results, Element.nextSiblings(node)); |
---|
| 3072 | return results; |
---|
| 3073 | }, |
---|
| 3074 | |
---|
| 3075 | nextElementSibling: function(node) { |
---|
| 3076 | while (node = node.nextSibling) |
---|
| 3077 | if (node.nodeType == 1) return node; |
---|
| 3078 | return null; |
---|
| 3079 | }, |
---|
| 3080 | |
---|
| 3081 | previousElementSibling: function(node) { |
---|
| 3082 | while (node = node.previousSibling) |
---|
| 3083 | if (node.nodeType == 1) return node; |
---|
| 3084 | return null; |
---|
| 3085 | }, |
---|
| 3086 | |
---|
| 3087 | // TOKEN FUNCTIONS |
---|
| 3088 | tagName: function(nodes, root, tagName, combinator) { |
---|
| 3089 | tagName = tagName.toUpperCase(); |
---|
| 3090 | var results = [], h = Selector.handlers; |
---|
| 3091 | if (nodes) { |
---|
| 3092 | if (combinator) { |
---|
| 3093 | // fastlane for ordinary descendant combinators |
---|
| 3094 | if (combinator == "descendant") { |
---|
| 3095 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3096 | h.concat(results, node.getElementsByTagName(tagName)); |
---|
| 3097 | return results; |
---|
| 3098 | } else nodes = this[combinator](nodes); |
---|
| 3099 | if (tagName == "*") return nodes; |
---|
| 3100 | } |
---|
| 3101 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3102 | if (node.tagName.toUpperCase() == tagName) results.push(node); |
---|
| 3103 | return results; |
---|
| 3104 | } else return root.getElementsByTagName(tagName); |
---|
| 3105 | }, |
---|
| 3106 | |
---|
| 3107 | id: function(nodes, root, id, combinator) { |
---|
| 3108 | var targetNode = $(id), h = Selector.handlers; |
---|
| 3109 | if (!targetNode) return []; |
---|
| 3110 | if (!nodes && root == document) return [targetNode]; |
---|
| 3111 | if (nodes) { |
---|
| 3112 | if (combinator) { |
---|
| 3113 | if (combinator == 'child') { |
---|
| 3114 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3115 | if (targetNode.parentNode == node) return [targetNode]; |
---|
| 3116 | } else if (combinator == 'descendant') { |
---|
| 3117 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3118 | if (Element.descendantOf(targetNode, node)) return [targetNode]; |
---|
| 3119 | } else if (combinator == 'adjacent') { |
---|
| 3120 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3121 | if (Selector.handlers.previousElementSibling(targetNode) == node) |
---|
| 3122 | return [targetNode]; |
---|
| 3123 | } else nodes = h[combinator](nodes); |
---|
| 3124 | } |
---|
| 3125 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3126 | if (node == targetNode) return [targetNode]; |
---|
| 3127 | return []; |
---|
| 3128 | } |
---|
| 3129 | return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; |
---|
| 3130 | }, |
---|
| 3131 | |
---|
| 3132 | className: function(nodes, root, className, combinator) { |
---|
| 3133 | if (nodes && combinator) nodes = this[combinator](nodes); |
---|
| 3134 | return Selector.handlers.byClassName(nodes, root, className); |
---|
| 3135 | }, |
---|
| 3136 | |
---|
| 3137 | byClassName: function(nodes, root, className) { |
---|
| 3138 | if (!nodes) nodes = Selector.handlers.descendant([root]); |
---|
| 3139 | var needle = ' ' + className + ' '; |
---|
| 3140 | for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { |
---|
| 3141 | nodeClassName = node.className; |
---|
| 3142 | if (nodeClassName.length == 0) continue; |
---|
| 3143 | if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) |
---|
| 3144 | results.push(node); |
---|
| 3145 | } |
---|
| 3146 | return results; |
---|
| 3147 | }, |
---|
| 3148 | |
---|
| 3149 | attrPresence: function(nodes, root, attr) { |
---|
| 3150 | if (!nodes) nodes = root.getElementsByTagName("*"); |
---|
| 3151 | var results = []; |
---|
| 3152 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3153 | if (Element.hasAttribute(node, attr)) results.push(node); |
---|
| 3154 | return results; |
---|
| 3155 | }, |
---|
| 3156 | |
---|
| 3157 | attr: function(nodes, root, attr, value, operator) { |
---|
| 3158 | if (!nodes) nodes = root.getElementsByTagName("*"); |
---|
| 3159 | var handler = Selector.operators[operator], results = []; |
---|
| 3160 | for (var i = 0, node; node = nodes[i]; i++) { |
---|
| 3161 | var nodeValue = Element.readAttribute(node, attr); |
---|
| 3162 | if (nodeValue === null) continue; |
---|
| 3163 | if (handler(nodeValue, value)) results.push(node); |
---|
| 3164 | } |
---|
| 3165 | return results; |
---|
| 3166 | }, |
---|
| 3167 | |
---|
| 3168 | pseudo: function(nodes, name, value, root, combinator) { |
---|
| 3169 | if (nodes && combinator) nodes = this[combinator](nodes); |
---|
| 3170 | if (!nodes) nodes = root.getElementsByTagName("*"); |
---|
| 3171 | return Selector.pseudos[name](nodes, value, root); |
---|
| 3172 | } |
---|
| 3173 | }, |
---|
| 3174 | |
---|
| 3175 | pseudos: { |
---|
| 3176 | 'first-child': function(nodes, value, root) { |
---|
| 3177 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 3178 | if (Selector.handlers.previousElementSibling(node)) continue; |
---|
| 3179 | results.push(node); |
---|
| 3180 | } |
---|
| 3181 | return results; |
---|
| 3182 | }, |
---|
| 3183 | 'last-child': function(nodes, value, root) { |
---|
| 3184 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 3185 | if (Selector.handlers.nextElementSibling(node)) continue; |
---|
| 3186 | results.push(node); |
---|
| 3187 | } |
---|
| 3188 | return results; |
---|
| 3189 | }, |
---|
| 3190 | 'only-child': function(nodes, value, root) { |
---|
| 3191 | var h = Selector.handlers; |
---|
| 3192 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3193 | if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) |
---|
| 3194 | results.push(node); |
---|
| 3195 | return results; |
---|
| 3196 | }, |
---|
| 3197 | 'nth-child': function(nodes, formula, root) { |
---|
| 3198 | return Selector.pseudos.nth(nodes, formula, root); |
---|
| 3199 | }, |
---|
| 3200 | 'nth-last-child': function(nodes, formula, root) { |
---|
| 3201 | return Selector.pseudos.nth(nodes, formula, root, true); |
---|
| 3202 | }, |
---|
| 3203 | 'nth-of-type': function(nodes, formula, root) { |
---|
| 3204 | return Selector.pseudos.nth(nodes, formula, root, false, true); |
---|
| 3205 | }, |
---|
| 3206 | 'nth-last-of-type': function(nodes, formula, root) { |
---|
| 3207 | return Selector.pseudos.nth(nodes, formula, root, true, true); |
---|
| 3208 | }, |
---|
| 3209 | 'first-of-type': function(nodes, formula, root) { |
---|
| 3210 | return Selector.pseudos.nth(nodes, "1", root, false, true); |
---|
| 3211 | }, |
---|
| 3212 | 'last-of-type': function(nodes, formula, root) { |
---|
| 3213 | return Selector.pseudos.nth(nodes, "1", root, true, true); |
---|
| 3214 | }, |
---|
| 3215 | 'only-of-type': function(nodes, formula, root) { |
---|
| 3216 | var p = Selector.pseudos; |
---|
| 3217 | return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); |
---|
| 3218 | }, |
---|
| 3219 | |
---|
| 3220 | // handles the an+b logic |
---|
| 3221 | getIndices: function(a, b, total) { |
---|
| 3222 | if (a == 0) return b > 0 ? [b] : []; |
---|
| 3223 | return $R(1, total).inject([], function(memo, i) { |
---|
| 3224 | if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); |
---|
| 3225 | return memo; |
---|
| 3226 | }); |
---|
| 3227 | }, |
---|
| 3228 | |
---|
| 3229 | // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type |
---|
| 3230 | nth: function(nodes, formula, root, reverse, ofType) { |
---|
| 3231 | if (nodes.length == 0) return []; |
---|
| 3232 | if (formula == 'even') formula = '2n+0'; |
---|
| 3233 | if (formula == 'odd') formula = '2n+1'; |
---|
| 3234 | var h = Selector.handlers, results = [], indexed = [], m; |
---|
| 3235 | h.mark(nodes); |
---|
| 3236 | for (var i = 0, node; node = nodes[i]; i++) { |
---|
| 3237 | if (!node.parentNode._counted) { |
---|
| 3238 | h.index(node.parentNode, reverse, ofType); |
---|
| 3239 | indexed.push(node.parentNode); |
---|
| 3240 | } |
---|
| 3241 | } |
---|
| 3242 | if (formula.match(/^\d+$/)) { // just a number |
---|
| 3243 | formula = Number(formula); |
---|
| 3244 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3245 | if (node.nodeIndex == formula) results.push(node); |
---|
| 3246 | } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
---|
| 3247 | if (m[1] == "-") m[1] = -1; |
---|
| 3248 | var a = m[1] ? Number(m[1]) : 1; |
---|
| 3249 | var b = m[2] ? Number(m[2]) : 0; |
---|
| 3250 | var indices = Selector.pseudos.getIndices(a, b, nodes.length); |
---|
| 3251 | for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { |
---|
| 3252 | for (var j = 0; j < l; j++) |
---|
| 3253 | if (node.nodeIndex == indices[j]) results.push(node); |
---|
| 3254 | } |
---|
| 3255 | } |
---|
| 3256 | h.unmark(nodes); |
---|
| 3257 | h.unmark(indexed); |
---|
| 3258 | return results; |
---|
| 3259 | }, |
---|
| 3260 | |
---|
| 3261 | 'empty': function(nodes, value, root) { |
---|
| 3262 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 3263 | // IE treats comments as element nodes |
---|
| 3264 | if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; |
---|
| 3265 | results.push(node); |
---|
| 3266 | } |
---|
| 3267 | return results; |
---|
| 3268 | }, |
---|
| 3269 | |
---|
| 3270 | 'not': function(nodes, selector, root) { |
---|
| 3271 | var h = Selector.handlers, selectorType, m; |
---|
| 3272 | var exclusions = new Selector(selector).findElements(root); |
---|
| 3273 | h.mark(exclusions); |
---|
| 3274 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3275 | if (!node._counted) results.push(node); |
---|
| 3276 | h.unmark(exclusions); |
---|
| 3277 | return results; |
---|
| 3278 | }, |
---|
| 3279 | |
---|
| 3280 | 'enabled': function(nodes, value, root) { |
---|
| 3281 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3282 | if (!node.disabled) results.push(node); |
---|
| 3283 | return results; |
---|
| 3284 | }, |
---|
| 3285 | |
---|
| 3286 | 'disabled': function(nodes, value, root) { |
---|
| 3287 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3288 | if (node.disabled) results.push(node); |
---|
| 3289 | return results; |
---|
| 3290 | }, |
---|
| 3291 | |
---|
| 3292 | 'checked': function(nodes, value, root) { |
---|
| 3293 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3294 | if (node.checked) results.push(node); |
---|
| 3295 | return results; |
---|
| 3296 | } |
---|
| 3297 | }, |
---|
| 3298 | |
---|
| 3299 | operators: { |
---|
| 3300 | '=': function(nv, v) { return nv == v; }, |
---|
| 3301 | '!=': function(nv, v) { return nv != v; }, |
---|
| 3302 | '^=': function(nv, v) { return nv.startsWith(v); }, |
---|
| 3303 | '$=': function(nv, v) { return nv.endsWith(v); }, |
---|
| 3304 | '*=': function(nv, v) { return nv.include(v); }, |
---|
| 3305 | '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, |
---|
| 3306 | '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } |
---|
| 3307 | }, |
---|
| 3308 | |
---|
| 3309 | matchElements: function(elements, expression) { |
---|
| 3310 | var matches = new Selector(expression).findElements(), h = Selector.handlers; |
---|
| 3311 | h.mark(matches); |
---|
| 3312 | for (var i = 0, results = [], element; element = elements[i]; i++) |
---|
| 3313 | if (element._counted) results.push(element); |
---|
| 3314 | h.unmark(matches); |
---|
| 3315 | return results; |
---|
| 3316 | }, |
---|
| 3317 | |
---|
| 3318 | findElement: function(elements, expression, index) { |
---|
| 3319 | if (Object.isNumber(expression)) { |
---|
| 3320 | index = expression; expression = false; |
---|
| 3321 | } |
---|
| 3322 | return Selector.matchElements(elements, expression || '*')[index || 0]; |
---|
| 3323 | }, |
---|
| 3324 | |
---|
| 3325 | findChildElements: function(element, expressions) { |
---|
| 3326 | var exprs = expressions.join(','), expressions = []; |
---|
| 3327 | exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { |
---|
| 3328 | expressions.push(m[1].strip()); |
---|
| 3329 | }); |
---|
| 3330 | var results = [], h = Selector.handlers; |
---|
| 3331 | for (var i = 0, l = expressions.length, selector; i < l; i++) { |
---|
| 3332 | selector = new Selector(expressions[i].strip()); |
---|
| 3333 | h.concat(results, selector.findElements(element)); |
---|
| 3334 | } |
---|
| 3335 | return (l > 1) ? h.unique(results) : results; |
---|
| 3336 | } |
---|
| 3337 | }); |
---|
| 3338 | |
---|
| 3339 | function $$() { |
---|
| 3340 | return Selector.findChildElements(document, $A(arguments)); |
---|
| 3341 | } |
---|
| 3342 | var Form = { |
---|
| 3343 | reset: function(form) { |
---|
| 3344 | $(form).reset(); |
---|
| 3345 | return form; |
---|
| 3346 | }, |
---|
| 3347 | |
---|
| 3348 | serializeElements: function(elements, options) { |
---|
| 3349 | if (typeof options != 'object') options = { hash: !!options }; |
---|
| 3350 | else if (options.hash === undefined) options.hash = true; |
---|
| 3351 | var key, value, submitted = false, submit = options.submit; |
---|
| 3352 | |
---|
| 3353 | var data = elements.inject({ }, function(result, element) { |
---|
| 3354 | if (!element.disabled && element.name) { |
---|
| 3355 | key = element.name; value = $(element).getValue(); |
---|
| 3356 | if (value != null && (element.type != 'submit' || (!submitted && |
---|
| 3357 | submit !== false && (!submit || key == submit) && (submitted = true)))) { |
---|
| 3358 | if (key in result) { |
---|
| 3359 | // a key is already present; construct an array of values |
---|
| 3360 | if (!Object.isArray(result[key])) result[key] = [result[key]]; |
---|
| 3361 | result[key].push(value); |
---|
| 3362 | } |
---|
| 3363 | else result[key] = value; |
---|
| 3364 | } |
---|
| 3365 | } |
---|
| 3366 | return result; |
---|
| 3367 | }); |
---|
| 3368 | |
---|
| 3369 | return options.hash ? data : Object.toQueryString(data); |
---|
| 3370 | } |
---|
| 3371 | }; |
---|
| 3372 | |
---|
| 3373 | Form.Methods = { |
---|
| 3374 | serialize: function(form, options) { |
---|
| 3375 | return Form.serializeElements(Form.getElements(form), options); |
---|
| 3376 | }, |
---|
| 3377 | |
---|
| 3378 | getElements: function(form) { |
---|
| 3379 | return $A($(form).getElementsByTagName('*')).inject([], |
---|
| 3380 | function(elements, child) { |
---|
| 3381 | if (Form.Element.Serializers[child.tagName.toLowerCase()]) |
---|
| 3382 | elements.push(Element.extend(child)); |
---|
| 3383 | return elements; |
---|
| 3384 | } |
---|
| 3385 | ); |
---|
| 3386 | }, |
---|
| 3387 | |
---|
| 3388 | getInputs: function(form, typeName, name) { |
---|
| 3389 | form = $(form); |
---|
| 3390 | var inputs = form.getElementsByTagName('input'); |
---|
| 3391 | |
---|
| 3392 | if (!typeName && !name) return $A(inputs).map(Element.extend); |
---|
| 3393 | |
---|
| 3394 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
---|
| 3395 | var input = inputs[i]; |
---|
| 3396 | if ((typeName && input.type != typeName) || (name && input.name != name)) |
---|
| 3397 | continue; |
---|
| 3398 | matchingInputs.push(Element.extend(input)); |
---|
| 3399 | } |
---|
| 3400 | |
---|
| 3401 | return matchingInputs; |
---|
| 3402 | }, |
---|
| 3403 | |
---|
| 3404 | disable: function(form) { |
---|
| 3405 | form = $(form); |
---|
| 3406 | Form.getElements(form).invoke('disable'); |
---|
| 3407 | return form; |
---|
| 3408 | }, |
---|
| 3409 | |
---|
| 3410 | enable: function(form) { |
---|
| 3411 | form = $(form); |
---|
| 3412 | Form.getElements(form).invoke('enable'); |
---|
| 3413 | return form; |
---|
| 3414 | }, |
---|
| 3415 | |
---|
| 3416 | findFirstElement: function(form) { |
---|
| 3417 | var elements = $(form).getElements().findAll(function(element) { |
---|
| 3418 | return 'hidden' != element.type && !element.disabled; |
---|
| 3419 | }); |
---|
| 3420 | var firstByIndex = elements.findAll(function(element) { |
---|
| 3421 | return element.hasAttribute('tabIndex') && element.tabIndex >= 0; |
---|
| 3422 | }).sortBy(function(element) { return element.tabIndex }).first(); |
---|
| 3423 | |
---|
| 3424 | return firstByIndex ? firstByIndex : elements.find(function(element) { |
---|
| 3425 | return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
---|
| 3426 | }); |
---|
| 3427 | }, |
---|
| 3428 | |
---|
| 3429 | focusFirstElement: function(form) { |
---|
| 3430 | form = $(form); |
---|
| 3431 | form.findFirstElement().activate(); |
---|
| 3432 | return form; |
---|
| 3433 | }, |
---|
| 3434 | |
---|
| 3435 | request: function(form, options) { |
---|
| 3436 | form = $(form), options = Object.clone(options || { }); |
---|
| 3437 | |
---|
| 3438 | var params = options.parameters, action = form.readAttribute('action') || ''; |
---|
| 3439 | if (action.blank()) action = window.location.href; |
---|
| 3440 | options.parameters = form.serialize(true); |
---|
| 3441 | |
---|
| 3442 | if (params) { |
---|
| 3443 | if (Object.isString(params)) params = params.toQueryParams(); |
---|
| 3444 | Object.extend(options.parameters, params); |
---|
| 3445 | } |
---|
| 3446 | |
---|
| 3447 | if (form.hasAttribute('method') && !options.method) |
---|
| 3448 | options.method = form.method; |
---|
| 3449 | |
---|
| 3450 | return new Ajax.Request(action, options); |
---|
| 3451 | } |
---|
| 3452 | }; |
---|
| 3453 | |
---|
| 3454 | /*--------------------------------------------------------------------------*/ |
---|
| 3455 | |
---|
| 3456 | Form.Element = { |
---|
| 3457 | focus: function(element) { |
---|
| 3458 | $(element).focus(); |
---|
| 3459 | return element; |
---|
| 3460 | }, |
---|
| 3461 | |
---|
| 3462 | select: function(element) { |
---|
| 3463 | $(element).select(); |
---|
| 3464 | return element; |
---|
| 3465 | } |
---|
| 3466 | }; |
---|
| 3467 | |
---|
| 3468 | Form.Element.Methods = { |
---|
| 3469 | serialize: function(element) { |
---|
| 3470 | element = $(element); |
---|
| 3471 | if (!element.disabled && element.name) { |
---|
| 3472 | var value = element.getValue(); |
---|
| 3473 | if (value != undefined) { |
---|
| 3474 | var pair = { }; |
---|
| 3475 | pair[element.name] = value; |
---|
| 3476 | return Object.toQueryString(pair); |
---|
| 3477 | } |
---|
| 3478 | } |
---|
| 3479 | return ''; |
---|
| 3480 | }, |
---|
| 3481 | |
---|
| 3482 | getValue: function(element) { |
---|
| 3483 | element = $(element); |
---|
| 3484 | var method = element.tagName.toLowerCase(); |
---|
| 3485 | return Form.Element.Serializers[method](element); |
---|
| 3486 | }, |
---|
| 3487 | |
---|
| 3488 | setValue: function(element, value) { |
---|
| 3489 | element = $(element); |
---|
| 3490 | var method = element.tagName.toLowerCase(); |
---|
| 3491 | Form.Element.Serializers[method](element, value); |
---|
| 3492 | return element; |
---|
| 3493 | }, |
---|
| 3494 | |
---|
| 3495 | clear: function(element) { |
---|
| 3496 | $(element).value = ''; |
---|
| 3497 | return element; |
---|
| 3498 | }, |
---|
| 3499 | |
---|
| 3500 | present: function(element) { |
---|
| 3501 | return $(element).value != ''; |
---|
| 3502 | }, |
---|
| 3503 | |
---|
| 3504 | activate: function(element) { |
---|
| 3505 | element = $(element); |
---|
| 3506 | try { |
---|
| 3507 | element.focus(); |
---|
| 3508 | if (element.select && (element.tagName.toLowerCase() != 'input' || |
---|
| 3509 | !['button', 'reset', 'submit'].include(element.type))) |
---|
| 3510 | element.select(); |
---|
| 3511 | } catch (e) { } |
---|
| 3512 | return element; |
---|
| 3513 | }, |
---|
| 3514 | |
---|
| 3515 | disable: function(element) { |
---|
| 3516 | element = $(element); |
---|
| 3517 | element.blur(); |
---|
| 3518 | element.disabled = true; |
---|
| 3519 | return element; |
---|
| 3520 | }, |
---|
| 3521 | |
---|
| 3522 | enable: function(element) { |
---|
| 3523 | element = $(element); |
---|
| 3524 | element.disabled = false; |
---|
| 3525 | return element; |
---|
| 3526 | } |
---|
| 3527 | }; |
---|
| 3528 | |
---|
| 3529 | /*--------------------------------------------------------------------------*/ |
---|
| 3530 | |
---|
| 3531 | var Field = Form.Element; |
---|
| 3532 | var $F = Form.Element.Methods.getValue; |
---|
| 3533 | |
---|
| 3534 | /*--------------------------------------------------------------------------*/ |
---|
| 3535 | |
---|
| 3536 | Form.Element.Serializers = { |
---|
| 3537 | input: function(element, value) { |
---|
| 3538 | switch (element.type.toLowerCase()) { |
---|
| 3539 | case 'checkbox': |
---|
| 3540 | case 'radio': |
---|
| 3541 | return Form.Element.Serializers.inputSelector(element, value); |
---|
| 3542 | default: |
---|
| 3543 | return Form.Element.Serializers.textarea(element, value); |
---|
| 3544 | } |
---|
| 3545 | }, |
---|
| 3546 | |
---|
| 3547 | inputSelector: function(element, value) { |
---|
| 3548 | if (value === undefined) return element.checked ? element.value : null; |
---|
| 3549 | else element.checked = !!value; |
---|
| 3550 | }, |
---|
| 3551 | |
---|
| 3552 | textarea: function(element, value) { |
---|
| 3553 | if (value === undefined) return element.value; |
---|
| 3554 | else element.value = value; |
---|
| 3555 | }, |
---|
| 3556 | |
---|
| 3557 | select: function(element, index) { |
---|
| 3558 | if (index === undefined) |
---|
| 3559 | return this[element.type == 'select-one' ? |
---|
| 3560 | 'selectOne' : 'selectMany'](element); |
---|
| 3561 | else { |
---|
| 3562 | var opt, value, single = !Object.isArray(index); |
---|
| 3563 | for (var i = 0, length = element.length; i < length; i++) { |
---|
| 3564 | opt = element.options[i]; |
---|
| 3565 | value = this.optionValue(opt); |
---|
| 3566 | if (single) { |
---|
| 3567 | if (value == index) { |
---|
| 3568 | opt.selected = true; |
---|
| 3569 | return; |
---|
| 3570 | } |
---|
| 3571 | } |
---|
| 3572 | else opt.selected = index.include(value); |
---|
| 3573 | } |
---|
| 3574 | } |
---|
| 3575 | }, |
---|
| 3576 | |
---|
| 3577 | selectOne: function(element) { |
---|
| 3578 | var index = element.selectedIndex; |
---|
| 3579 | return index >= 0 ? this.optionValue(element.options[index]) : null; |
---|
| 3580 | }, |
---|
| 3581 | |
---|
| 3582 | selectMany: function(element) { |
---|
| 3583 | var values, length = element.length; |
---|
| 3584 | if (!length) return null; |
---|
| 3585 | |
---|
| 3586 | for (var i = 0, values = []; i < length; i++) { |
---|
| 3587 | var opt = element.options[i]; |
---|
| 3588 | if (opt.selected) values.push(this.optionValue(opt)); |
---|
| 3589 | } |
---|
| 3590 | return values; |
---|
| 3591 | }, |
---|
| 3592 | |
---|
| 3593 | optionValue: function(opt) { |
---|
| 3594 | // extend element because hasAttribute may not be native |
---|
| 3595 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; |
---|
| 3596 | } |
---|
| 3597 | }; |
---|
| 3598 | |
---|
| 3599 | /*--------------------------------------------------------------------------*/ |
---|
| 3600 | |
---|
| 3601 | Abstract.TimedObserver = Class.create(PeriodicalExecuter, { |
---|
| 3602 | initialize: function($super, element, frequency, callback) { |
---|
| 3603 | $super(callback, frequency); |
---|
| 3604 | this.element = $(element); |
---|
| 3605 | this.lastValue = this.getValue(); |
---|
| 3606 | }, |
---|
| 3607 | |
---|
| 3608 | execute: function() { |
---|
| 3609 | var value = this.getValue(); |
---|
| 3610 | if (Object.isString(this.lastValue) && Object.isString(value) ? |
---|
| 3611 | this.lastValue != value : String(this.lastValue) != String(value)) { |
---|
| 3612 | this.callback(this.element, value); |
---|
| 3613 | this.lastValue = value; |
---|
| 3614 | } |
---|
| 3615 | } |
---|
| 3616 | }); |
---|
| 3617 | |
---|
| 3618 | Form.Element.Observer = Class.create(Abstract.TimedObserver, { |
---|
| 3619 | getValue: function() { |
---|
| 3620 | return Form.Element.getValue(this.element); |
---|
| 3621 | } |
---|
| 3622 | }); |
---|
| 3623 | |
---|
| 3624 | Form.Observer = Class.create(Abstract.TimedObserver, { |
---|
| 3625 | getValue: function() { |
---|
| 3626 | return Form.serialize(this.element); |
---|
| 3627 | } |
---|
| 3628 | }); |
---|
| 3629 | |
---|
| 3630 | /*--------------------------------------------------------------------------*/ |
---|
| 3631 | |
---|
| 3632 | Abstract.EventObserver = Class.create({ |
---|
| 3633 | initialize: function(element, callback) { |
---|
| 3634 | this.element = $(element); |
---|
| 3635 | this.callback = callback; |
---|
| 3636 | |
---|
| 3637 | this.lastValue = this.getValue(); |
---|
| 3638 | if (this.element.tagName.toLowerCase() == 'form') |
---|
| 3639 | this.registerFormCallbacks(); |
---|
| 3640 | else |
---|
| 3641 | this.registerCallback(this.element); |
---|
| 3642 | }, |
---|
| 3643 | |
---|
| 3644 | onElementEvent: function() { |
---|
| 3645 | var value = this.getValue(); |
---|
| 3646 | if (this.lastValue != value) { |
---|
| 3647 | this.callback(this.element, value); |
---|
| 3648 | this.lastValue = value; |
---|
| 3649 | } |
---|
| 3650 | }, |
---|
| 3651 | |
---|
| 3652 | registerFormCallbacks: function() { |
---|
| 3653 | Form.getElements(this.element).each(this.registerCallback, this); |
---|
| 3654 | }, |
---|
| 3655 | |
---|
| 3656 | registerCallback: function(element) { |
---|
| 3657 | if (element.type) { |
---|
| 3658 | switch (element.type.toLowerCase()) { |
---|
| 3659 | case 'checkbox': |
---|
| 3660 | case 'radio': |
---|
| 3661 | Event.observe(element, 'click', this.onElementEvent.bind(this)); |
---|
| 3662 | break; |
---|
| 3663 | default: |
---|
| 3664 | Event.observe(element, 'change', this.onElementEvent.bind(this)); |
---|
| 3665 | break; |
---|
| 3666 | } |
---|
| 3667 | } |
---|
| 3668 | } |
---|
| 3669 | }); |
---|
| 3670 | |
---|
| 3671 | Form.Element.EventObserver = Class.create(Abstract.EventObserver, { |
---|
| 3672 | getValue: function() { |
---|
| 3673 | return Form.Element.getValue(this.element); |
---|
| 3674 | } |
---|
| 3675 | }); |
---|
| 3676 | |
---|
| 3677 | Form.EventObserver = Class.create(Abstract.EventObserver, { |
---|
| 3678 | getValue: function() { |
---|
| 3679 | return Form.serialize(this.element); |
---|
| 3680 | } |
---|
| 3681 | }); |
---|
| 3682 | if (!window.Event) var Event = { }; |
---|
| 3683 | |
---|
| 3684 | Object.extend(Event, { |
---|
| 3685 | KEY_BACKSPACE: 8, |
---|
| 3686 | KEY_TAB: 9, |
---|
| 3687 | KEY_RETURN: 13, |
---|
| 3688 | KEY_ESC: 27, |
---|
| 3689 | KEY_LEFT: 37, |
---|
| 3690 | KEY_UP: 38, |
---|
| 3691 | KEY_RIGHT: 39, |
---|
| 3692 | KEY_DOWN: 40, |
---|
| 3693 | KEY_DELETE: 46, |
---|
| 3694 | KEY_HOME: 36, |
---|
| 3695 | KEY_END: 35, |
---|
| 3696 | KEY_PAGEUP: 33, |
---|
| 3697 | KEY_PAGEDOWN: 34, |
---|
| 3698 | KEY_INSERT: 45, |
---|
| 3699 | |
---|
| 3700 | cache: { }, |
---|
| 3701 | |
---|
| 3702 | relatedTarget: function(event) { |
---|
| 3703 | var element; |
---|
| 3704 | switch(event.type) { |
---|
| 3705 | case 'mouseover': element = event.fromElement; break; |
---|
| 3706 | case 'mouseout': element = event.toElement; break; |
---|
| 3707 | default: return null; |
---|
| 3708 | } |
---|
| 3709 | return Element.extend(element); |
---|
| 3710 | } |
---|
| 3711 | }); |
---|
| 3712 | |
---|
| 3713 | Event.Methods = (function() { |
---|
| 3714 | var isButton; |
---|
| 3715 | |
---|
| 3716 | if (Prototype.Browser.IE) { |
---|
| 3717 | var buttonMap = { 0: 1, 1: 4, 2: 2 }; |
---|
| 3718 | isButton = function(event, code) { |
---|
| 3719 | return event.button == buttonMap[code]; |
---|
| 3720 | }; |
---|
| 3721 | |
---|
| 3722 | } else if (Prototype.Browser.WebKit) { |
---|
| 3723 | isButton = function(event, code) { |
---|
| 3724 | switch (code) { |
---|
| 3725 | case 0: return event.which == 1 && !event.metaKey; |
---|
| 3726 | case 1: return event.which == 1 && event.metaKey; |
---|
| 3727 | default: return false; |
---|
| 3728 | } |
---|
| 3729 | }; |
---|
| 3730 | |
---|
| 3731 | } else { |
---|
| 3732 | isButton = function(event, code) { |
---|
| 3733 | return event.which ? (event.which === code + 1) : (event.button === code); |
---|
| 3734 | }; |
---|
| 3735 | } |
---|
| 3736 | |
---|
| 3737 | return { |
---|
| 3738 | isLeftClick: function(event) { return isButton(event, 0) }, |
---|
| 3739 | isMiddleClick: function(event) { return isButton(event, 1) }, |
---|
| 3740 | isRightClick: function(event) { return isButton(event, 2) }, |
---|
| 3741 | |
---|
| 3742 | element: function(event) { |
---|
| 3743 | var node = Event.extend(event).target; |
---|
| 3744 | return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node); |
---|
| 3745 | }, |
---|
| 3746 | |
---|
| 3747 | findElement: function(event, expression) { |
---|
| 3748 | var element = Event.element(event); |
---|
| 3749 | return element.match(expression) ? element : element.up(expression); |
---|
| 3750 | }, |
---|
| 3751 | |
---|
| 3752 | pointer: function(event) { |
---|
| 3753 | return { |
---|
| 3754 | x: event.pageX || (event.clientX + |
---|
| 3755 | (document.documentElement.scrollLeft || document.body.scrollLeft)), |
---|
| 3756 | y: event.pageY || (event.clientY + |
---|
| 3757 | (document.documentElement.scrollTop || document.body.scrollTop)) |
---|
| 3758 | }; |
---|
| 3759 | }, |
---|
| 3760 | |
---|
| 3761 | pointerX: function(event) { return Event.pointer(event).x }, |
---|
| 3762 | pointerY: function(event) { return Event.pointer(event).y }, |
---|
| 3763 | |
---|
| 3764 | stop: function(event) { |
---|
| 3765 | Event.extend(event); |
---|
| 3766 | event.preventDefault(); |
---|
| 3767 | event.stopPropagation(); |
---|
| 3768 | event.stopped = true; |
---|
| 3769 | } |
---|
| 3770 | }; |
---|
| 3771 | })(); |
---|
| 3772 | |
---|
| 3773 | Event.extend = (function() { |
---|
| 3774 | var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { |
---|
| 3775 | m[name] = Event.Methods[name].methodize(); |
---|
| 3776 | return m; |
---|
| 3777 | }); |
---|
| 3778 | |
---|
| 3779 | if (Prototype.Browser.IE) { |
---|
| 3780 | Object.extend(methods, { |
---|
| 3781 | stopPropagation: function() { this.cancelBubble = true }, |
---|
| 3782 | preventDefault: function() { this.returnValue = false }, |
---|
| 3783 | inspect: function() { return "[object Event]" } |
---|
| 3784 | }); |
---|
| 3785 | |
---|
| 3786 | return function(event) { |
---|
| 3787 | if (!event) return false; |
---|
| 3788 | if (event._extendedByPrototype) return event; |
---|
| 3789 | |
---|
| 3790 | event._extendedByPrototype = Prototype.emptyFunction; |
---|
| 3791 | var pointer = Event.pointer(event); |
---|
| 3792 | Object.extend(event, { |
---|
| 3793 | target: event.srcElement, |
---|
| 3794 | relatedTarget: Event.relatedTarget(event), |
---|
| 3795 | pageX: pointer.x, |
---|
| 3796 | pageY: pointer.y |
---|
| 3797 | }); |
---|
| 3798 | return Object.extend(event, methods); |
---|
| 3799 | }; |
---|
| 3800 | |
---|
| 3801 | } else { |
---|
| 3802 | Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__; |
---|
| 3803 | Object.extend(Event.prototype, methods); |
---|
| 3804 | return Prototype.K; |
---|
| 3805 | } |
---|
| 3806 | })(); |
---|
| 3807 | |
---|
| 3808 | Object.extend(Event, (function() { |
---|
| 3809 | var cache = Event.cache; |
---|
| 3810 | |
---|
| 3811 | function getEventID(element) { |
---|
| 3812 | if (element._eventID) return element._eventID; |
---|
| 3813 | arguments.callee.id = arguments.callee.id || 1; |
---|
| 3814 | return element._eventID = ++arguments.callee.id; |
---|
| 3815 | } |
---|
| 3816 | |
---|
| 3817 | function getDOMEventName(eventName) { |
---|
| 3818 | if (eventName && eventName.include(':')) return "dataavailable"; |
---|
| 3819 | return eventName; |
---|
| 3820 | } |
---|
| 3821 | |
---|
| 3822 | function getCacheForID(id) { |
---|
| 3823 | return cache[id] = cache[id] || { }; |
---|
| 3824 | } |
---|
| 3825 | |
---|
| 3826 | function getWrappersForEventName(id, eventName) { |
---|
| 3827 | var c = getCacheForID(id); |
---|
| 3828 | return c[eventName] = c[eventName] || []; |
---|
| 3829 | } |
---|
| 3830 | |
---|
| 3831 | function createWrapper(element, eventName, handler) { |
---|
| 3832 | var id = getEventID(element); |
---|
| 3833 | var c = getWrappersForEventName(id, eventName); |
---|
| 3834 | if (c.pluck("handler").include(handler)) return false; |
---|
| 3835 | |
---|
| 3836 | var wrapper = function(event) { |
---|
| 3837 | if (!Event || !Event.extend || |
---|
| 3838 | (event.eventName && event.eventName != eventName)) |
---|
| 3839 | return false; |
---|
| 3840 | |
---|
| 3841 | Event.extend(event); |
---|
| 3842 | handler.call(element, event) |
---|
| 3843 | }; |
---|
| 3844 | |
---|
| 3845 | wrapper.handler = handler; |
---|
| 3846 | c.push(wrapper); |
---|
| 3847 | return wrapper; |
---|
| 3848 | } |
---|
| 3849 | |
---|
| 3850 | function findWrapper(id, eventName, handler) { |
---|
| 3851 | var c = getWrappersForEventName(id, eventName); |
---|
| 3852 | return c.find(function(wrapper) { return wrapper.handler == handler }); |
---|
| 3853 | } |
---|
| 3854 | |
---|
| 3855 | function destroyWrapper(id, eventName, handler) { |
---|
| 3856 | var c = getCacheForID(id); |
---|
| 3857 | if (!c[eventName]) return false; |
---|
| 3858 | c[eventName] = c[eventName].without(findWrapper(id, eventName, handler)); |
---|
| 3859 | } |
---|
| 3860 | |
---|
| 3861 | function destroyCache() { |
---|
| 3862 | for (var id in cache) |
---|
| 3863 | for (var eventName in cache[id]) |
---|
| 3864 | cache[id][eventName] = null; |
---|
| 3865 | } |
---|
| 3866 | |
---|
| 3867 | if (window.attachEvent) { |
---|
| 3868 | window.attachEvent("onunload", destroyCache); |
---|
| 3869 | } |
---|
| 3870 | |
---|
| 3871 | return { |
---|
| 3872 | observe: function(element, eventName, handler) { |
---|
| 3873 | element = $(element); |
---|
| 3874 | var name = getDOMEventName(eventName); |
---|
| 3875 | |
---|
| 3876 | var wrapper = createWrapper(element, eventName, handler); |
---|
| 3877 | if (!wrapper) return element; |
---|
| 3878 | |
---|
| 3879 | if (element.addEventListener) { |
---|
| 3880 | element.addEventListener(name, wrapper, false); |
---|
| 3881 | } else { |
---|
| 3882 | element.attachEvent("on" + name, wrapper); |
---|
| 3883 | } |
---|
| 3884 | |
---|
| 3885 | return element; |
---|
| 3886 | }, |
---|
| 3887 | |
---|
| 3888 | stopObserving: function(element, eventName, handler) { |
---|
| 3889 | element = $(element); |
---|
| 3890 | var id = getEventID(element), name = getDOMEventName(eventName); |
---|
| 3891 | |
---|
| 3892 | if (!handler && eventName) { |
---|
| 3893 | getWrappersForEventName(id, eventName).each(function(wrapper) { |
---|
| 3894 | element.stopObserving(eventName, wrapper.handler); |
---|
| 3895 | }); |
---|
| 3896 | return element; |
---|
| 3897 | |
---|
| 3898 | } else if (!eventName) { |
---|
| 3899 | Object.keys(getCacheForID(id)).each(function(eventName) { |
---|
| 3900 | element.stopObserving(eventName); |
---|
| 3901 | }); |
---|
| 3902 | return element; |
---|
| 3903 | } |
---|
| 3904 | |
---|
| 3905 | var wrapper = findWrapper(id, eventName, handler); |
---|
| 3906 | if (!wrapper) return element; |
---|
| 3907 | |
---|
| 3908 | if (element.removeEventListener) { |
---|
| 3909 | element.removeEventListener(name, wrapper, false); |
---|
| 3910 | } else { |
---|
| 3911 | element.detachEvent("on" + name, wrapper); |
---|
| 3912 | } |
---|
| 3913 | |
---|
| 3914 | destroyWrapper(id, eventName, handler); |
---|
| 3915 | |
---|
| 3916 | return element; |
---|
| 3917 | }, |
---|
| 3918 | |
---|
| 3919 | fire: function(element, eventName, memo) { |
---|
| 3920 | element = $(element); |
---|
| 3921 | if (element == document && document.createEvent && !element.dispatchEvent) |
---|
| 3922 | element = document.documentElement; |
---|
| 3923 | |
---|
| 3924 | if (document.createEvent) { |
---|
| 3925 | var event = document.createEvent("HTMLEvents"); |
---|
| 3926 | event.initEvent("dataavailable", true, true); |
---|
| 3927 | } else { |
---|
| 3928 | var event = document.createEventObject(); |
---|
| 3929 | event.eventType = "ondataavailable"; |
---|
| 3930 | } |
---|
| 3931 | |
---|
| 3932 | event.eventName = eventName; |
---|
| 3933 | event.memo = memo || { }; |
---|
| 3934 | |
---|
| 3935 | if (document.createEvent) { |
---|
| 3936 | element.dispatchEvent(event); |
---|
| 3937 | } else { |
---|
| 3938 | element.fireEvent(event.eventType, event); |
---|
| 3939 | } |
---|
| 3940 | |
---|
| 3941 | return event; |
---|
| 3942 | } |
---|
| 3943 | }; |
---|
| 3944 | })()); |
---|
| 3945 | |
---|
| 3946 | Object.extend(Event, Event.Methods); |
---|
| 3947 | |
---|
| 3948 | Element.addMethods({ |
---|
| 3949 | fire: Event.fire, |
---|
| 3950 | observe: Event.observe, |
---|
| 3951 | stopObserving: Event.stopObserving |
---|
| 3952 | }); |
---|
| 3953 | |
---|
| 3954 | Object.extend(document, { |
---|
| 3955 | fire: Element.Methods.fire.methodize(), |
---|
| 3956 | observe: Element.Methods.observe.methodize(), |
---|
| 3957 | stopObserving: Element.Methods.stopObserving.methodize() |
---|
| 3958 | }); |
---|
| 3959 | |
---|
| 3960 | (function() { |
---|
| 3961 | /* Support for the DOMContentLoaded event is based on work by Dan Webb, |
---|
| 3962 | Matthias Miller, Dean Edwards and John Resig. */ |
---|
| 3963 | |
---|
| 3964 | var timer, fired = false; |
---|
| 3965 | |
---|
| 3966 | function fireContentLoadedEvent() { |
---|
| 3967 | if (fired) return; |
---|
| 3968 | if (timer) window.clearInterval(timer); |
---|
| 3969 | document.fire("dom:loaded"); |
---|
| 3970 | fired = true; |
---|
| 3971 | } |
---|
| 3972 | |
---|
| 3973 | if (document.addEventListener) { |
---|
| 3974 | if (Prototype.Browser.WebKit) { |
---|
| 3975 | timer = window.setInterval(function() { |
---|
| 3976 | if (/loaded|complete/.test(document.readyState)) |
---|
| 3977 | fireContentLoadedEvent(); |
---|
| 3978 | }, 0); |
---|
| 3979 | |
---|
| 3980 | Event.observe(window, "load", fireContentLoadedEvent); |
---|
| 3981 | |
---|
| 3982 | } else { |
---|
| 3983 | document.addEventListener("DOMContentLoaded", |
---|
| 3984 | fireContentLoadedEvent, false); |
---|
| 3985 | } |
---|
| 3986 | |
---|
| 3987 | } else { |
---|
| 3988 | document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>"); |
---|
| 3989 | $("__onDOMContentLoaded").onreadystatechange = function() { |
---|
| 3990 | if (this.readyState == "complete") { |
---|
| 3991 | this.onreadystatechange = null; |
---|
| 3992 | fireContentLoadedEvent(); |
---|
| 3993 | } |
---|
| 3994 | }; |
---|
| 3995 | } |
---|
| 3996 | })(); |
---|
| 3997 | /*------------------------------- DEPRECATED -------------------------------*/ |
---|
| 3998 | |
---|
| 3999 | Hash.toQueryString = Object.toQueryString; |
---|
| 4000 | |
---|
| 4001 | var Toggle = { display: Element.toggle }; |
---|
| 4002 | |
---|
| 4003 | Element.Methods.childOf = Element.Methods.descendantOf; |
---|
| 4004 | |
---|
| 4005 | var Insertion = { |
---|
| 4006 | Before: function(element, content) { |
---|
| 4007 | return Element.insert(element, {before:content}); |
---|
| 4008 | }, |
---|
| 4009 | |
---|
| 4010 | Top: function(element, content) { |
---|
| 4011 | return Element.insert(element, {top:content}); |
---|
| 4012 | }, |
---|
| 4013 | |
---|
| 4014 | Bottom: function(element, content) { |
---|
| 4015 | return Element.insert(element, {bottom:content}); |
---|
| 4016 | }, |
---|
| 4017 | |
---|
| 4018 | After: function(element, content) { |
---|
| 4019 | return Element.insert(element, {after:content}); |
---|
| 4020 | } |
---|
| 4021 | }; |
---|
| 4022 | |
---|
| 4023 | var $continue = new Error('"throw $continue" is deprecated, use "return" instead'); |
---|
| 4024 | |
---|
| 4025 | // This should be moved to script.aculo.us; notice the deprecated methods |
---|
| 4026 | // further below, that map to the newer Element methods. |
---|
| 4027 | var Position = { |
---|
| 4028 | // set to true if needed, warning: firefox performance problems |
---|
| 4029 | // NOT neeeded for page scrolling, only if draggable contained in |
---|
| 4030 | // scrollable elements |
---|
| 4031 | includeScrollOffsets: false, |
---|
| 4032 | |
---|
| 4033 | // must be called before calling withinIncludingScrolloffset, every time the |
---|
| 4034 | // page is scrolled |
---|
| 4035 | prepare: function() { |
---|
| 4036 | this.deltaX = window.pageXOffset |
---|
| 4037 | || document.documentElement.scrollLeft |
---|
| 4038 | || document.body.scrollLeft |
---|
| 4039 | || 0; |
---|
| 4040 | this.deltaY = window.pageYOffset |
---|
| 4041 | || document.documentElement.scrollTop |
---|
| 4042 | || document.body.scrollTop |
---|
| 4043 | || 0; |
---|
| 4044 | }, |
---|
| 4045 | |
---|
| 4046 | // caches x/y coordinate pair to use with overlap |
---|
| 4047 | within: function(element, x, y) { |
---|
| 4048 | if (this.includeScrollOffsets) |
---|
| 4049 | return this.withinIncludingScrolloffsets(element, x, y); |
---|
| 4050 | this.xcomp = x; |
---|
| 4051 | this.ycomp = y; |
---|
| 4052 | this.offset = Element.cumulativeOffset(element); |
---|
| 4053 | |
---|
| 4054 | return (y >= this.offset[1] && |
---|
| 4055 | y < this.offset[1] + element.offsetHeight && |
---|
| 4056 | x >= this.offset[0] && |
---|
| 4057 | x < this.offset[0] + element.offsetWidth); |
---|
| 4058 | }, |
---|
| 4059 | |
---|
| 4060 | withinIncludingScrolloffsets: function(element, x, y) { |
---|
| 4061 | var offsetcache = Element.cumulativeScrollOffset(element); |
---|
| 4062 | |
---|
| 4063 | this.xcomp = x + offsetcache[0] - this.deltaX; |
---|
| 4064 | this.ycomp = y + offsetcache[1] - this.deltaY; |
---|
| 4065 | this.offset = Element.cumulativeOffset(element); |
---|
| 4066 | |
---|
| 4067 | return (this.ycomp >= this.offset[1] && |
---|
| 4068 | this.ycomp < this.offset[1] + element.offsetHeight && |
---|
| 4069 | this.xcomp >= this.offset[0] && |
---|
| 4070 | this.xcomp < this.offset[0] + element.offsetWidth); |
---|
| 4071 | }, |
---|
| 4072 | |
---|
| 4073 | // within must be called directly before |
---|
| 4074 | overlap: function(mode, element) { |
---|
| 4075 | if (!mode) return 0; |
---|
| 4076 | if (mode == 'vertical') |
---|
| 4077 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
---|
| 4078 | element.offsetHeight; |
---|
| 4079 | if (mode == 'horizontal') |
---|
| 4080 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
---|
| 4081 | element.offsetWidth; |
---|
| 4082 | }, |
---|
| 4083 | |
---|
| 4084 | // Deprecation layer -- use newer Element methods now (1.5.2). |
---|
| 4085 | |
---|
| 4086 | cumulativeOffset: Element.Methods.cumulativeOffset, |
---|
| 4087 | |
---|
| 4088 | positionedOffset: Element.Methods.positionedOffset, |
---|
| 4089 | |
---|
| 4090 | absolutize: function(element) { |
---|
| 4091 | Position.prepare(); |
---|
| 4092 | return Element.absolutize(element); |
---|
| 4093 | }, |
---|
| 4094 | |
---|
| 4095 | relativize: function(element) { |
---|
| 4096 | Position.prepare(); |
---|
| 4097 | return Element.relativize(element); |
---|
| 4098 | }, |
---|
| 4099 | |
---|
| 4100 | realOffset: Element.Methods.cumulativeScrollOffset, |
---|
| 4101 | |
---|
| 4102 | offsetParent: Element.Methods.getOffsetParent, |
---|
| 4103 | |
---|
| 4104 | page: Element.Methods.viewportOffset, |
---|
| 4105 | |
---|
| 4106 | clone: function(source, target, options) { |
---|
| 4107 | options = options || { }; |
---|
| 4108 | return Element.clonePosition(target, source, options); |
---|
| 4109 | } |
---|
| 4110 | }; |
---|
| 4111 | |
---|
| 4112 | /*--------------------------------------------------------------------------*/ |
---|
| 4113 | |
---|
| 4114 | if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){ |
---|
| 4115 | function iter(name) { |
---|
| 4116 | return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; |
---|
| 4117 | } |
---|
| 4118 | |
---|
| 4119 | instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? |
---|
| 4120 | function(element, className) { |
---|
| 4121 | className = className.toString().strip(); |
---|
| 4122 | var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className); |
---|
| 4123 | return cond ? document._getElementsByXPath('.//*' + cond, element) : []; |
---|
| 4124 | } : function(element, className) { |
---|
| 4125 | className = className.toString().strip(); |
---|
| 4126 | var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); |
---|
| 4127 | if (!classNames && !className) return elements; |
---|
| 4128 | |
---|
| 4129 | var nodes = $(element).getElementsByTagName('*'); |
---|
| 4130 | className = ' ' + className + ' '; |
---|
| 4131 | |
---|
| 4132 | for (var i = 0, child, cn; child = nodes[i]; i++) { |
---|
| 4133 | if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || |
---|
| 4134 | (classNames && classNames.all(function(name) { |
---|
| 4135 | return !name.toString().blank() && cn.include(' ' + name + ' '); |
---|
| 4136 | })))) |
---|
| 4137 | elements.push(Element.extend(child)); |
---|
| 4138 | } |
---|
| 4139 | return elements; |
---|
| 4140 | }; |
---|
| 4141 | |
---|
| 4142 | return function(className, parentElement) { |
---|
| 4143 | return $(parentElement || document.body).getElementsByClassName(className); |
---|
| 4144 | }; |
---|
| 4145 | }(Element.Methods); |
---|
| 4146 | |
---|
| 4147 | /*--------------------------------------------------------------------------*/ |
---|
| 4148 | |
---|
| 4149 | Element.ClassNames = Class.create(); |
---|
| 4150 | Element.ClassNames.prototype = { |
---|
| 4151 | initialize: function(element) { |
---|
| 4152 | this.element = $(element); |
---|
| 4153 | }, |
---|
| 4154 | |
---|
| 4155 | _each: function(iterator) { |
---|
| 4156 | this.element.className.split(/\s+/).select(function(name) { |
---|
| 4157 | return name.length > 0; |
---|
| 4158 | })._each(iterator); |
---|
| 4159 | }, |
---|
| 4160 | |
---|
| 4161 | set: function(className) { |
---|
| 4162 | this.element.className = className; |
---|
| 4163 | }, |
---|
| 4164 | |
---|
| 4165 | add: function(classNameToAdd) { |
---|
| 4166 | if (this.include(classNameToAdd)) return; |
---|
| 4167 | this.set($A(this).concat(classNameToAdd).join(' ')); |
---|
| 4168 | }, |
---|
| 4169 | |
---|
| 4170 | remove: function(classNameToRemove) { |
---|
| 4171 | if (!this.include(classNameToRemove)) return; |
---|
| 4172 | this.set($A(this).without(classNameToRemove).join(' ')); |
---|
| 4173 | }, |
---|
| 4174 | |
---|
| 4175 | toString: function() { |
---|
| 4176 | return $A(this).join(' '); |
---|
| 4177 | } |
---|
| 4178 | }; |
---|
| 4179 | |
---|
| 4180 | Object.extend(Element.ClassNames.prototype, Enumerable); |
---|
| 4181 | |
---|
| 4182 | /*--------------------------------------------------------------------------*/ |
---|
| 4183 | |
---|
| 4184 | Element.addMethods(); |
---|