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1 /* |
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2 Copyright (c) 2009, Yahoo! Inc. All rights reserved. |
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3 Code licensed under the BSD License: |
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4 http://developer.yahoo.net/yui/license.txt |
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5 version: 3.0.0b1 |
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6 build: 1163 |
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7 */ |
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8 (function() { |
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9 |
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10 var _instances = {}, |
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11 _startTime = new Date().getTime(), |
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12 p, |
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13 i, |
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14 |
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15 add = function () { |
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16 if (window.addEventListener) { |
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17 return function(el, type, fn, capture) { |
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18 el.addEventListener(type, fn, (!!capture)); |
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19 }; |
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20 } else if (window.attachEvent) { |
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21 return function(el, type, fn) { |
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22 el.attachEvent("on" + type, fn); |
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23 }; |
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24 } else { |
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25 return function(){}; |
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26 } |
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27 }(), |
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28 |
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29 remove = function() { |
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30 if (window.removeEventListener) { |
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31 return function (el, type, fn, capture) { |
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32 el.removeEventListener(type, fn, !!capture); |
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33 }; |
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34 } else if (window.detachEvent) { |
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35 return function (el, type, fn) { |
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36 el.detachEvent("on" + type, fn); |
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37 }; |
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38 } else { |
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39 return function(){}; |
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40 } |
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41 }(), |
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42 |
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43 globalListener = function() { |
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44 YUI.Env.windowLoaded = true; |
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45 YUI.Env.DOMReady = true; |
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46 remove(window, 'load', globalListener); |
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47 }, |
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48 |
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49 // @TODO: this needs to be created at build time from module metadata |
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50 |
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51 _APPLY_TO_WHITE_LIST = { |
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52 'io.xdrReady': 1, |
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53 'io.start': 1, |
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54 'io.success': 1, |
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55 'io.failure': 1 |
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56 }, |
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57 |
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58 SLICE = Array.prototype.slice; |
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59 |
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60 // reduce to one or the other |
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61 if (typeof YUI === 'undefined' || !YUI) { |
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62 |
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63 /** |
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64 * The YUI global namespace object. If YUI is already defined, the |
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65 * existing YUI object will not be overwritten so that defined |
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66 * namespaces are preserved. |
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67 * |
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68 * @class YUI |
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69 * @constructor |
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70 * @global |
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71 * @uses EventTarget |
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72 * @param o Optional configuration object. This object is stored |
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73 * in YUI.config. See config for the list of supported properties. |
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74 */ |
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75 |
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76 /*global YUI*/ |
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77 // Make a function, disallow direct instantiation |
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78 YUI = function(o) { |
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79 |
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80 var Y = this; |
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81 |
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82 // Allow instantiation without the new operator |
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83 if (!(Y instanceof YUI)) { |
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84 return new YUI(o); |
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85 } else { |
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86 // set up the core environment |
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87 Y._init(o); |
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88 |
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89 // bind the specified additional modules for this instance |
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90 Y._setup(); |
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91 |
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92 return Y; |
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93 } |
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94 }; |
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95 } |
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96 |
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97 // The prototype contains the functions that are required to allow the external |
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98 // modules to be registered and for the instance to be initialized. |
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99 YUI.prototype = { |
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100 |
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101 /** |
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102 * Initialize this YUI instance |
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103 * @param o config options |
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104 * @private |
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105 */ |
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106 _init: function(o) { |
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107 |
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108 o = o || {}; |
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109 |
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110 // find targeted window/frame |
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111 // @TODO create facades |
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112 var v = '3.0.0b1', Y = this; |
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113 o.win = o.win || window || {}; |
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114 o.win = o.win.contentWindow || o.win; |
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115 o.doc = o.win.document; |
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116 o.debug = ('debug' in o) ? o.debug : true; |
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117 o.useBrowserConsole = ('useBrowserConsole' in o) ? o.useBrowserConsole : true; |
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118 o.throwFail = ('throwFail' in o) ? o.throwFail : true; |
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119 |
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120 // add a reference to o for anything that needs it |
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121 // before _setup is called. |
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122 Y.config = o; |
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123 |
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124 Y.Env = { |
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125 // @todo expand the new module metadata |
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126 mods: {}, |
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127 _idx: 0, |
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128 _used: {}, |
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129 _attached: {}, |
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130 _yidx: 0, |
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131 _uidx: 0, |
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132 _loaded: {} |
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133 }; |
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134 |
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135 |
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136 if (v.indexOf('@') > -1) { |
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137 v = 'test'; |
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138 } |
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139 |
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140 Y.version = v; |
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141 |
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142 Y.Env._loaded[v] = {}; |
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143 |
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144 if (YUI.Env) { |
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145 Y.Env._yidx = (++YUI.Env._yidx); |
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146 Y.Env._guidp = ('yui_' + this.version + '-' + Y.Env._yidx + '-' + _startTime).replace(/\./g, '_'); |
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147 Y.id = Y.stamp(Y); |
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148 _instances[Y.id] = Y; |
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149 } |
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150 |
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151 Y.constructor = YUI; |
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152 |
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153 |
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154 // this.log(this.id + ') init '); |
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155 }, |
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156 |
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157 /** |
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158 * Finishes the instance setup. Attaches whatever modules were defined |
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159 * when the yui modules was registered. |
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160 * @method _setup |
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161 * @private |
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162 */ |
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163 _setup: function(o) { |
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164 this.use("yui-base"); |
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165 // @TODO eval the need to copy the config |
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166 this.config = this.merge(this.config); |
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167 }, |
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168 |
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169 /** |
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170 * Executes a method on a YUI instance with |
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171 * the specified id if the specified method is whitelisted. |
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172 * @method applyTo |
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173 * @param id {string} the YUI instance id |
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174 * @param method {string} the name of the method to exectute. |
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175 * Ex: 'Object.keys' |
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176 * @param args {Array} the arguments to apply to the method |
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177 * @return {object} the return value from the applied method or null |
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178 */ |
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179 applyTo: function(id, method, args) { |
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180 |
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181 if (!(method in _APPLY_TO_WHITE_LIST)) { |
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182 this.error(method + ': applyTo not allowed'); |
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183 return null; |
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184 } |
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185 |
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186 var instance = _instances[id], nest, m, i; |
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187 |
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188 if (instance) { |
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189 |
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190 nest = method.split('.'); |
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191 m = instance; |
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192 |
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193 for (i=0; i<nest.length; i=i+1) { |
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194 |
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195 m = m[nest[i]]; |
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196 |
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197 if (!m) { |
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198 this.error('applyTo not found: ' + method); |
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199 } |
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200 } |
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201 |
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202 return m.apply(instance, args); |
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203 } |
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204 |
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205 return null; |
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206 }, |
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207 |
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208 /** |
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209 * Register a module |
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210 * @method add |
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211 * @param name {string} module name |
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212 * @param fn {Function} entry point into the module that |
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213 * is used to bind module to the YUI instance |
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214 * @param version {string} version string |
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215 * @param details optional config data: |
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216 * requires - features that should be present before loading |
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217 * optional - optional features that should be present if load optional defined |
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218 * use - features that should be attached automatically |
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219 * skinnable - |
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220 * rollup |
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221 * omit - features that should not be loaded if this module is present |
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222 * @return {YUI} the YUI instance |
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223 * |
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224 */ |
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225 add: function(name, fn, version, details) { |
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226 |
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227 // this.log('Adding a new component ' + name); |
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228 |
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229 // @todo expand this to include version mapping |
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230 |
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231 // @todo allow requires/supersedes |
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232 |
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233 // @todo may want to restore the build property |
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234 |
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235 // @todo fire moduleAvailable event |
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236 |
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237 var m = { |
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238 name: name, |
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239 fn: fn, |
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240 version: version, |
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241 details: details || {} |
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242 }; |
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243 |
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244 YUI.Env.mods[name] = m; |
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245 |
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246 return this; // chain support |
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247 }, |
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248 |
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249 _attach: function(r, fromLoader) { |
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250 |
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251 var mods = YUI.Env.mods, |
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252 attached = this.Env._attached, |
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253 i, l = r.length, name, m, d, req, use; |
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254 |
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255 for (i=0; i<l; i=i+1) { |
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256 |
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257 name = r[i]; |
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258 m = mods[name]; |
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259 |
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260 if (!attached[name] && m) { |
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261 |
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262 attached[name] = true; |
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263 |
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264 d = m.details; |
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265 req = d.requires; |
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266 use = d.use; |
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267 |
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268 if (req) { |
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269 this._attach(this.Array(req)); |
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270 } |
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271 |
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272 // this.log('attaching ' + name, 'info', 'yui'); |
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273 |
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274 if (m.fn) { |
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275 m.fn(this); |
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276 } |
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277 |
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278 if (use) { |
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279 this._attach(this.Array(use)); |
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280 } |
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281 } |
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282 } |
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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 * Bind a module to a YUI instance |
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288 * @param modules* {string} 1-n modules to bind (uses arguments array) |
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289 * @param *callback {function} callback function executed when |
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290 * the instance has the required functionality. If included, it |
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291 * must be the last parameter. |
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292 * |
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293 * @TODO |
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294 * Implement versioning? loader can load different versions? |
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295 * Should sub-modules/plugins be normal modules, or do |
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296 * we add syntax for specifying these? |
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297 * |
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298 * YUI().use('dragdrop') |
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299 * YUI().use('dragdrop:2.4.0'); // specific version |
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300 * YUI().use('dragdrop:2.4.0-'); // at least this version |
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301 * YUI().use('dragdrop:2.4.0-2.9999.9999'); // version range |
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302 * YUI().use('*'); // use all available modules |
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303 * YUI().use('lang+dump+substitute'); // use lang and some plugins |
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304 * YUI().use('lang+*'); // use lang and all known plugins |
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305 * |
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306 * |
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307 * @return {YUI} the YUI instance |
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308 */ |
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309 use: function() { |
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310 |
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311 if (this._loading) { |
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312 this._useQueue.add(SLICE.call(arguments, 0)); |
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313 return this; |
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314 } |
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315 |
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316 var Y = this, |
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317 a=SLICE.call(arguments, 0), |
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318 mods = YUI.Env.mods, |
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319 used = Y.Env._used, |
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320 loader, |
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321 firstArg = a[0], |
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322 dynamic = false, |
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323 callback = a[a.length-1], |
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324 k, i, l, missing = [], |
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325 r = [], |
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326 f = function(name) { |
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327 |
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328 // only attach a module once |
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329 if (used[name]) { |
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330 // Y.log(name + ' already used', 'info', 'yui'); |
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331 return; |
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332 } |
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333 |
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334 var m = mods[name], j, req, use; |
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335 |
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336 if (m) { |
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337 |
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338 // Y.log('USING ' + name, 'info', 'yui'); |
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339 |
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340 used[name] = true; |
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341 |
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342 req = m.details.requires; |
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343 use = m.details.use; |
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344 } else { |
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345 |
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346 // CSS files don't register themselves, see if it has been loaded |
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347 if (!YUI.Env._loaded[Y.version][name]) { |
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348 Y.log('module not found: ' + name, 'info', 'yui'); |
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349 missing.push(name); |
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350 } else { |
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351 // probably css |
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352 // Y.log('module not found BUT HAS BEEN LOADED: ' + name, 'info', 'yui'); |
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353 used[name] = true; |
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354 } |
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355 } |
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356 |
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357 // make sure requirements are attached |
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358 if (req) { |
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359 if (Y.Lang.isString(req)) { |
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360 f(req); |
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361 } else { |
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362 for (j = 0; j < req.length; j = j + 1) { |
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363 // Y.log('using module\'s requirements: ' + name, 'info', 'yui'); |
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364 f(req[j]); |
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365 } |
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366 } |
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367 } |
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368 |
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369 // add this module to full list of things to attach |
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370 // Y.log('adding to requires list: ' + name); |
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371 r.push(name); |
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372 |
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373 }, |
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374 |
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375 onComplete = function(fromLoader) { |
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376 |
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377 // Y.log('Use complete'); |
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378 |
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379 fromLoader = fromLoader || { |
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380 success: true, |
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381 msg: 'not dynamic' |
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382 }; |
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383 |
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384 if (Y.Env._callback) { |
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385 |
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386 var cb = Y.Env._callback; |
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387 Y.Env._callback = null; |
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388 cb(Y, fromLoader); |
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389 } |
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390 |
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391 if (Y.fire) { |
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392 Y.fire('yui:load', Y, fromLoader); |
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393 } |
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394 |
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395 // process queued use requests as long until done |
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396 // or dynamic load happens again. |
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397 this._loading = false; |
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398 while (this._useQueue && this._useQueue.size() && !this._loading) { |
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399 Y.use.apply(Y, this._useQueue.next()); |
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400 } |
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401 }; |
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402 |
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403 // Y.log(Y.id + ': use called: ' + a + ' :: ' + callback); |
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404 |
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405 // The last argument supplied to use can be a load complete callback |
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406 if (typeof callback === 'function') { |
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407 a.pop(); |
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408 Y.Env._callback = callback; |
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409 } else { |
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410 callback = null; |
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411 } |
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412 |
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413 // YUI().use('*'); // bind everything available |
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414 if (firstArg === "*") { |
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415 a = []; |
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416 for (k in mods) { |
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417 if (mods.hasOwnProperty(k)) { |
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418 a.push(k); |
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419 } |
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420 } |
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421 |
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422 // Y.log('Use *: ' + a); |
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423 |
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424 return Y.use.apply(Y, a); |
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425 |
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426 } |
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427 |
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428 // Y.log('loader before: ' + a.join(',')); |
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429 |
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430 // use loader to expand dependencies and sort the |
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431 // requirements if it is available. |
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432 if (Y.Loader) { |
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433 dynamic = true; |
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434 this._useQueue = this._useQueue || new Y.Queue(); |
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435 loader = new Y.Loader(Y.config); |
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436 loader.require(a); |
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437 loader.ignoreRegistered = true; |
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438 loader.allowRollup = false; |
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439 loader.calculate(); |
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440 a = loader.sorted; |
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441 } |
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442 |
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443 // Y.log('loader after: ' + a.join(',')); |
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444 |
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445 l = a.length; |
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446 |
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447 // process each requirement and any additional requirements |
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448 // the module metadata specifies |
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449 for (i=0; i<l; i=i+1) { |
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450 f(a[i]); |
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451 } |
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452 |
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453 // Y.log('all reqs: ' + r + ' --- missing: ' + missing + ', l: ' + l + ', ' + r[0]); |
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454 |
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455 // dynamic load |
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456 if (Y.Loader && missing.length) { |
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457 Y.log('Attempting to dynamically load the missing modules ' + missing, 'info', 'yui'); |
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458 this._loading = true; |
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459 loader = new Y.Loader(Y.config); |
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460 loader.onSuccess = onComplete; |
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461 loader.onFailure = onComplete; |
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462 loader.onTimeout = onComplete; |
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463 loader.attaching = a; |
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464 loader.require(missing); |
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465 loader.insert(); |
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466 } else { |
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467 Y._attach(r); |
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468 onComplete(); |
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469 } |
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470 |
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471 return Y; // chain support var yui = YUI().use('dragdrop'); |
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472 }, |
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473 |
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474 |
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475 /** |
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476 * Returns the namespace specified and creates it if it doesn't exist |
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477 * <pre> |
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478 * YUI.namespace("property.package"); |
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479 * YUI.namespace("YAHOO.property.package"); |
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480 * </pre> |
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481 * Either of the above would create YUI.property, then |
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482 * YUI.property.package (YAHOO is scrubbed out, this is |
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483 * to remain compatible with YUI2) |
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484 * |
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485 * Be careful when naming packages. Reserved words may work in some browsers |
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486 * and not others. For instance, the following will fail in Safari: |
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487 * <pre> |
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488 * YUI.namespace("really.long.nested.namespace"); |
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489 * </pre> |
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490 * This fails because "long" is a future reserved word in ECMAScript |
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491 * |
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492 * @method namespace |
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493 * @param {string*} arguments 1-n namespaces to create |
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494 * @return {object} A reference to the last namespace object created |
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495 */ |
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496 namespace: function() { |
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497 var a=arguments, o=null, i, j, d; |
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498 for (i=0; i<a.length; i=i+1) { |
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499 d = ("" + a[i]).split("."); |
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500 o = this; |
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501 for (j=(d[0] == "YAHOO") ? 1 : 0; j<d.length; j=j+1) { |
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502 o[d[j]] = o[d[j]] || {}; |
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503 o = o[d[j]]; |
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504 } |
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505 } |
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506 return o; |
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507 }, |
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508 |
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509 // this is replaced if the log module is included |
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510 log: function() { |
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511 |
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512 }, |
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513 |
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514 /** |
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515 * Report an error. The reporting mechanism is controled by |
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516 * the 'throwFail' configuration attribute. If throwFail is |
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517 * not specified, the message is written to the Logger, otherwise |
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518 * a JS error is thrown |
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519 * @method error |
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520 * @param msg {string} the error message |
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521 * @param e {Error} Optional JS error that was caught. If supplied |
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522 * and throwFail is specified, this error will be re-thrown. |
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523 * @return {YUI} this YUI instance |
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524 */ |
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525 error: function(msg, e) { |
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526 if (this.config.throwFail) { |
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527 throw (e || new Error(msg)); |
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528 } else { |
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529 this.message(msg, "error"); // don't scrub this one |
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530 } |
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531 |
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532 return this; |
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533 }, |
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534 |
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535 /** |
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536 * Generate an id that is unique among all YUI instances |
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537 * @method guid |
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538 * @param pre {string} optional guid prefix |
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539 * @return {string} the guid |
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540 */ |
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541 guid: function(pre) { |
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542 var id = this.Env._guidp + (++this.Env._uidx); |
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543 return (pre) ? (pre + id) : id; |
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544 }, |
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545 |
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546 /** |
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547 * Returns a guid associated with an object. If the object |
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548 * does not have one, a new one is created unless readOnly |
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549 * is specified. |
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550 * @method stamp |
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551 * @param o The object to stamp |
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552 * @param readOnly {boolean} if true, a valid guid will only |
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553 * be returned if the object has one assigned to it. |
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554 * @return {string} The object's guid or null |
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555 */ |
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556 stamp: function(o, readOnly) { |
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557 |
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558 if (!o) { |
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559 return o; |
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560 } |
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561 |
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562 var uid = (typeof o === 'string') ? o : o._yuid; |
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563 |
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564 if (!uid) { |
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565 uid = this.guid(); |
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566 if (!readOnly) { |
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567 try { |
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568 o._yuid = uid; |
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569 } catch(e) { |
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570 uid = null; |
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571 } |
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572 } |
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573 } |
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574 |
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575 return uid; |
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576 } |
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577 }; |
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578 |
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579 // Give the YUI global the same properties as an instance. |
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580 // This makes it so that the YUI global can be used like the YAHOO |
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581 // global was used prior to 3.x. More importantly, the YUI global |
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582 // provides global metadata, so env needs to be configured. |
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583 // @TODO review |
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584 |
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585 p = YUI.prototype; |
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586 |
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587 // inheritance utilities are not available yet |
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588 for (i in p) { |
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589 if (true) { |
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590 YUI[i] = p[i]; |
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591 } |
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592 } |
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593 |
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594 // set up the environment |
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595 YUI._init(); |
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596 |
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597 // add a window load event at load time so we can capture |
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598 // the case where it fires before dynamic loading is |
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599 // complete. |
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600 add(window, 'load', globalListener); |
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601 |
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602 YUI.Env.add = add; |
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603 YUI.Env.remove = remove; |
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604 |
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605 /* |
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606 * Subscribe to an event. The signature differs depending on the |
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607 * type of event you are attaching to. |
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608 * @method on |
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609 * @param type {string|function|object} The type of the event. If |
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610 * this is a function, this is dispatched to the aop system. If an |
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611 * object, it is parsed for multiple subsription definitions |
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612 * @param fn {Function} The callback |
|
613 * @param elspec {any} DOM element(s), selector string(s), and or |
|
614 * Node ref(s) to attach DOM related events to (only applies to |
|
615 * DOM events). |
|
616 * @param |
|
617 * @return the event target or a detach handle per 'chain' config |
|
618 */ |
|
619 |
|
620 })(); |
|
621 |
|
622 /** |
|
623 * The config object contains all of the configuration options for |
|
624 * the YUI instance. This object is supplied by the implementer |
|
625 * when instantiating a YUI instance. Some properties have default |
|
626 * values if they are not supplied by the implementer. |
|
627 * @class config |
|
628 * @static |
|
629 */ |
|
630 |
|
631 /** |
|
632 * Turn debug statements on or off |
|
633 * @property debug |
|
634 * @type boolean |
|
635 * @default true |
|
636 */ |
|
637 |
|
638 /** |
|
639 * Log to the browser console if debug is on and the browser has a |
|
640 * supported console |
|
641 * @property useBrowserConsole |
|
642 * @type boolean |
|
643 * @default true |
|
644 */ |
|
645 |
|
646 /** |
|
647 * A hash of log sources that should be logged. If specified, only log messages from these sources will be logged. |
|
648 * @property logInclude |
|
649 * @type object |
|
650 */ |
|
651 |
|
652 /** |
|
653 * A hash of log sources that should be not be logged. If specified, all sources are logged if not on this list.</li> |
|
654 * @property logExclude |
|
655 * @type object |
|
656 */ |
|
657 |
|
658 /** |
|
659 * Set to true if the yui seed file was dynamically loaded in |
|
660 * order to bootstrap components relying on the window load event |
|
661 * and onDOMReady. |
|
662 * @property injected |
|
663 * @type object |
|
664 */ |
|
665 |
|
666 /** |
|
667 * If throwFail is set, Y.fail will generate or re-throw a JS Error. Otherwise the failure is logged. |
|
668 * @property throwFail |
|
669 * @type boolean |
|
670 * @default true |
|
671 */ |
|
672 |
|
673 /** |
|
674 * The window/frame that this instance should operate in |
|
675 * @property win |
|
676 * @type Window |
|
677 * @default the window hosting YUI |
|
678 */ |
|
679 |
|
680 /** |
|
681 * The document associated with the 'win' configuration |
|
682 * @property doc |
|
683 * @type Document |
|
684 * @default the document hosting YUI |
|
685 */ |
|
686 |
|
687 /** |
|
688 * A list of modules that defines the YUI core (overrides the default)</li> |
|
689 * @property core |
|
690 * @type string[] |
|
691 */ |
|
692 |
|
693 /** |
|
694 * The default date format |
|
695 * @property dateFormat |
|
696 * @type string |
|
697 */ |
|
698 |
|
699 /** |
|
700 * The default locale |
|
701 * @property locale |
|
702 * @type string |
|
703 */ |
|
704 |
|
705 /** |
|
706 * The default interval when polling in milliseconds. |
|
707 * @property pollInterval |
|
708 * @type int |
|
709 * @default 20 |
|
710 */ |
|
711 |
|
712 /** |
|
713 * The number of dynamic nodes to insert by default before |
|
714 * automatically removing them. This applies to script nodes |
|
715 * because remove the node will not make the evaluated script |
|
716 * unavailable. Dynamic CSS is not auto purged, because removing |
|
717 * a linked style sheet will also remove the style definitions. |
|
718 * @property purgethreshold |
|
719 * @type int |
|
720 * @default 20 |
|
721 */ |
|
722 |
|
723 /** |
|
724 * The default interval when polling in milliseconds. |
|
725 * @property windowResizeDelay |
|
726 * @type int |
|
727 * @default 40 |
|
728 */ |
|
729 |
|
730 /** |
|
731 * Base directory for dynamic loading |
|
732 * @property base |
|
733 * @type string |
|
734 */ |
|
735 |
|
736 /** |
|
737 * The secure base dir (not implemented) |
|
738 * For dynamic loading. |
|
739 * @property secureBase |
|
740 * @type string |
|
741 */ |
|
742 |
|
743 /** |
|
744 * The YUI combo service base dir. Ex: http://yui.yahooapis.com/combo? |
|
745 * For dynamic loading. |
|
746 * @property comboBase |
|
747 * @type string |
|
748 */ |
|
749 |
|
750 /** |
|
751 * The root path to prepend to module names for the combo service. Ex: 3.0.0b1/build/ |
|
752 * For dynamic loading. |
|
753 * @property root |
|
754 * @type string |
|
755 */ |
|
756 |
|
757 /** |
|
758 * A filter to apply to result urls. This filter will modify the default |
|
759 * path for all modules. The default path for the YUI library is the |
|
760 * minified version of the files (e.g., event-min.js). The filter property |
|
761 * can be a predefined filter or a custom filter. The valid predefined |
|
762 * filters are: |
|
763 * <dl> |
|
764 * <dt>DEBUG</dt> |
|
765 * <dd>Selects the debug versions of the library (e.g., event-debug.js). |
|
766 * This option will automatically include the Logger widget</dd> |
|
767 * <dt>RAW</dt> |
|
768 * <dd>Selects the non-minified version of the library (e.g., event.js).</dd> |
|
769 * </dl> |
|
770 * You can also define a custom filter, which must be an object literal |
|
771 * containing a search expression and a replace string: |
|
772 * <pre> |
|
773 * myFilter: { |
|
774 * 'searchExp': "-min\\.js", |
|
775 * 'replaceStr': "-debug.js" |
|
776 * } |
|
777 * </pre> |
|
778 * For dynamic loading. |
|
779 * @property filter |
|
780 * @type string|object |
|
781 */ |
|
782 |
|
783 /** |
|
784 * Hash of per-component filter specification. If specified for a given component, |
|
785 * this overrides the filter config |
|
786 * For dynamic loading. |
|
787 * @property filters |
|
788 * @type object |
|
789 */ |
|
790 |
|
791 /** |
|
792 * Use the YUI combo service to reduce the number of http connections |
|
793 * required to load your dependencies |
|
794 * For dynamic loading. |
|
795 * @property combine |
|
796 * @type boolean |
|
797 * @default true if 'base' is not supplied, false if it is. |
|
798 */ |
|
799 |
|
800 /** |
|
801 * A list of modules that should never be dynamically loaded |
|
802 * @property ignore |
|
803 * @type string[] |
|
804 */ |
|
805 |
|
806 /** |
|
807 * A list of modules that should always be loaded when required, even if already |
|
808 * present on the page. |
|
809 * @property force |
|
810 * @type string[] |
|
811 */ |
|
812 |
|
813 /** |
|
814 * Node or id for a node that should be used as the insertion point for new nodes |
|
815 * For dynamic loading. |
|
816 * @property insertBefore |
|
817 * @type string |
|
818 */ |
|
819 |
|
820 /** |
|
821 * charset for dynamic nodes |
|
822 * @property charset |
|
823 * @type string |
|
824 */ |
|
825 |
|
826 /** |
|
827 * Object literal containing attributes to add to dynamically loaded script nodes. |
|
828 * @property jsAttributes |
|
829 * @type string |
|
830 */ |
|
831 |
|
832 /** |
|
833 * Object literal containing attributes to add to dynamically loaded link nodes. |
|
834 * @property cssAttributes |
|
835 * @type string |
|
836 */ |
|
837 |
|
838 /** |
|
839 * Number of milliseconds before a timeout occurs when dynamically |
|
840 * loading nodes. If not set, there is no timeout. |
|
841 * @property timeout |
|
842 * @type int |
|
843 */ |
|
844 |
|
845 /** |
|
846 * Callback for the 'CSSComplete' event. When dynamically loading YUI |
|
847 * components with CSS, this property fires when the CSS is finished |
|
848 * loading but script loading is still ongoing. This provides an |
|
849 * opportunity to enhance the presentation of a loading page a little |
|
850 * bit before the entire loading process is done. |
|
851 * @property onCSS |
|
852 * @type function |
|
853 */ |
|
854 |
|
855 /** |
|
856 * A list of module definitions to add to the list of YUI components. |
|
857 * These components can then be dynamically loaded side by side with |
|
858 * YUI via the use() method.See Loader.addModule for the supported |
|
859 * module metadata. |
|
860 * @property modules |
|
861 * @type function |
|
862 */ |
|
863 |
|
864 YUI.add('yui-base', function(Y) { |
|
865 |
|
866 /* |
|
867 * YUI stub |
|
868 * @module yui |
|
869 * @submodule yui-base |
|
870 */ |
|
871 (function() { |
|
872 |
|
873 var instance = Y, |
|
874 LOGEVENT = 'yui:log', |
|
875 _published; |
|
876 |
|
877 /** |
|
878 * If the 'debug' config is true, a 'yui:log' event will be |
|
879 * dispatched, which the Console widget and anything else |
|
880 * can consume. If the 'useBrowserConsole' config is true, it will |
|
881 * write to the browser console if available. YUI-specific log |
|
882 * messages will only be present in the -debug versions of the |
|
883 * JS files. The build system is supposed to remove log statements |
|
884 * from the raw and minified versions of the files. |
|
885 * |
|
886 * @method log |
|
887 * @for YUI |
|
888 * @param {String} msg The message to log. |
|
889 * @param {String} cat The log category for the message. Default |
|
890 * categories are "info", "warn", "error", time". |
|
891 * Custom categories can be used as well. (opt) |
|
892 * @param {String} src The source of the the message (opt) |
|
893 * @param {boolean} silent If true, the log event won't fire |
|
894 * @return {YUI} YUI instance |
|
895 */ |
|
896 instance.log = function(msg, cat, src, silent) { |
|
897 var Y = instance, c = Y.config, bail = false, exc, inc, m, f; |
|
898 // suppress log message if the config is off or the event stack |
|
899 // or the event call stack contains a consumer of the yui:log event |
|
900 if (c.debug) { |
|
901 // apply source filters |
|
902 if (src) { |
|
903 |
|
904 exc = c.logExclude; |
|
905 inc = c.logInclude; |
|
906 |
|
907 if (inc && !(src in inc)) { |
|
908 bail = true; |
|
909 } else if (exc && (src in exc)) { |
|
910 bail = true; |
|
911 } |
|
912 } |
|
913 |
|
914 if (!bail) { |
|
915 |
|
916 if (c.useBrowserConsole) { |
|
917 m = (src) ? src + ': ' + msg : msg; |
|
918 if (typeof console != 'undefined') { |
|
919 f = (cat && console[cat]) ? cat : 'log'; |
|
920 console[f](m); |
|
921 } else if (typeof opera != 'undefined') { |
|
922 opera.postError(m); |
|
923 } |
|
924 } |
|
925 |
|
926 if (Y.fire && !bail && !silent) { |
|
927 if (!_published) { |
|
928 Y.publish(LOGEVENT, { |
|
929 broadcast: 2, |
|
930 emitFacade: true |
|
931 }); |
|
932 |
|
933 _published = true; |
|
934 |
|
935 } |
|
936 Y.fire(LOGEVENT, { |
|
937 msg: msg, |
|
938 cat: cat, |
|
939 src: src |
|
940 }); |
|
941 } |
|
942 } |
|
943 } |
|
944 |
|
945 return Y; |
|
946 }; |
|
947 |
|
948 /** |
|
949 * Write a system message. This message will be preserved in the |
|
950 * minified and raw versions of the YUI files, unlike log statements. |
|
951 * @method message |
|
952 * @for YUI |
|
953 * @param {String} msg The message to log. |
|
954 * @param {String} cat The log category for the message. Default |
|
955 * categories are "info", "warn", "error", time". |
|
956 * Custom categories can be used as well. (opt) |
|
957 * @param {String} src The source of the the message (opt) |
|
958 * @param {boolean} silent If true, the log event won't fire |
|
959 * @return {YUI} YUI instance |
|
960 */ |
|
961 instance.message = function() { |
|
962 return instance.log.apply(instance, arguments); |
|
963 }; |
|
964 |
|
965 /* |
|
966 * @TODO I'm not convinced the current log statement scrubbing routine can |
|
967 * be made safe with all the variations that could be supplied for |
|
968 * the condition. |
|
969 * |
|
970 * Logs a message with Y.log() if the first parameter is true |
|
971 * Y.logIf((life == 'good'), 'yay'); |
|
972 * logIf statements are stripped from the raw and min files. |
|
973 * @method logIf |
|
974 * @for YUI |
|
975 * @param {boolean} condition Logging only occurs if a truthy value is provided |
|
976 * @param {String} msg The message to log. |
|
977 * @param {String} cat The log category for the message. Default |
|
978 * categories are "info", "warn", "error", time". |
|
979 * Custom categories can be used as well. (opt) |
|
980 * @param {String} src The source of the the message (opt) |
|
981 * @param {boolean} silent If true, the log event won't fire |
|
982 * @return {YUI} YUI instance |
|
983 */ |
|
984 // instance.logIf = function(condition, msg, cat, src, silent) { |
|
985 // if (condition) { |
|
986 // return Y.log.apply(Y, arguments); |
|
987 // } |
|
988 // }; |
|
989 |
|
990 })(); |
|
991 (function() { |
|
992 /** |
|
993 * Provides the language utilites and extensions used by the library |
|
994 * @class Lang |
|
995 * @static |
|
996 */ |
|
997 Y.Lang = Y.Lang || {}; |
|
998 |
|
999 var L = Y.Lang, |
|
1000 |
|
1001 ARRAY = 'array', |
|
1002 BOOLEAN = 'boolean', |
|
1003 DATE = 'date', |
|
1004 ERROR = 'error', |
|
1005 FUNCTION = 'function', |
|
1006 NUMBER = 'number', |
|
1007 NULL = 'null', |
|
1008 OBJECT = 'object', |
|
1009 REGEX = 'regexp', |
|
1010 STRING = 'string', |
|
1011 TOSTRING = Object.prototype.toString, |
|
1012 UNDEFINED = 'undefined', |
|
1013 |
|
1014 TYPES = { |
|
1015 'undefined' : UNDEFINED, |
|
1016 'number' : NUMBER, |
|
1017 'boolean' : BOOLEAN, |
|
1018 'string' : STRING, |
|
1019 '[object Function]' : FUNCTION, |
|
1020 '[object RegExp]' : REGEX, |
|
1021 '[object Array]' : ARRAY, |
|
1022 '[object Date]' : DATE, |
|
1023 '[object Error]' : ERROR |
|
1024 }, |
|
1025 |
|
1026 TRIMREGEX = /^\s+|\s+$/g, |
|
1027 EMPTYSTRING = ''; |
|
1028 |
|
1029 /** |
|
1030 * Determines whether or not the provided item is an array. |
|
1031 * Returns false for array-like collections such as the |
|
1032 * function arguments collection or HTMLElement collection |
|
1033 * will return false. You can use @see Array.test if you |
|
1034 * want to |
|
1035 * @method isArray |
|
1036 * @static |
|
1037 * @param o The object to test |
|
1038 * @return {boolean} true if o is an array |
|
1039 */ |
|
1040 L.isArray = function(o) { |
|
1041 return L.type(o) === ARRAY; |
|
1042 }; |
|
1043 |
|
1044 /** |
|
1045 * Determines whether or not the provided item is a boolean |
|
1046 * @method isBoolean |
|
1047 * @static |
|
1048 * @param o The object to test |
|
1049 * @return {boolean} true if o is a boolean |
|
1050 */ |
|
1051 L.isBoolean = function(o) { |
|
1052 return typeof o === BOOLEAN; |
|
1053 }; |
|
1054 |
|
1055 /** |
|
1056 * Determines whether or not the provided item is a function |
|
1057 * Note: Internet Explorer thinks certain functions are objects: |
|
1058 * |
|
1059 * var obj = document.createElement("object"); |
|
1060 * Y.Lang.isFunction(obj.getAttribute) // reports false in IE |
|
1061 * |
|
1062 * var input = document.createElement("input"); // append to body |
|
1063 * Y.Lang.isFunction(input.focus) // reports false in IE |
|
1064 * |
|
1065 * You will have to implement additional tests if these functions |
|
1066 * matter to you. |
|
1067 * |
|
1068 * @method isFunction |
|
1069 * @static |
|
1070 * @param o The object to test |
|
1071 * @return {boolean} true if o is a function |
|
1072 */ |
|
1073 L.isFunction = function(o) { |
|
1074 return L.type(o) === FUNCTION; |
|
1075 }; |
|
1076 |
|
1077 /** |
|
1078 * Determines whether or not the supplied item is a date instance |
|
1079 * @method isDate |
|
1080 * @static |
|
1081 * @param o The object to test |
|
1082 * @return {boolean} true if o is a date |
|
1083 */ |
|
1084 L.isDate = function(o) { |
|
1085 // return o instanceof Date; |
|
1086 return L.type(o) === DATE; |
|
1087 }; |
|
1088 |
|
1089 /** |
|
1090 * Determines whether or not the provided item is null |
|
1091 * @method isNull |
|
1092 * @static |
|
1093 * @param o The object to test |
|
1094 * @return {boolean} true if o is null |
|
1095 */ |
|
1096 L.isNull = function(o) { |
|
1097 return o === null; |
|
1098 }; |
|
1099 |
|
1100 /** |
|
1101 * Determines whether or not the provided item is a legal number |
|
1102 * @method isNumber |
|
1103 * @static |
|
1104 * @param o The object to test |
|
1105 * @return {boolean} true if o is a number |
|
1106 */ |
|
1107 L.isNumber = function(o) { |
|
1108 return typeof o === NUMBER && isFinite(o); |
|
1109 }; |
|
1110 |
|
1111 /** |
|
1112 * Determines whether or not the provided item is of type object |
|
1113 * or function |
|
1114 * @method isObject |
|
1115 * @static |
|
1116 * @param o The object to test |
|
1117 * @param failfn {boolean} fail if the input is a function |
|
1118 * @return {boolean} true if o is an object |
|
1119 */ |
|
1120 L.isObject = function(o, failfn) { |
|
1121 return (o && (typeof o === OBJECT || (!failfn && L.isFunction(o)))) || false; |
|
1122 }; |
|
1123 |
|
1124 /** |
|
1125 * Determines whether or not the provided item is a string |
|
1126 * @method isString |
|
1127 * @static |
|
1128 * @param o The object to test |
|
1129 * @return {boolean} true if o is a string |
|
1130 */ |
|
1131 L.isString = function(o) { |
|
1132 return typeof o === STRING; |
|
1133 }; |
|
1134 |
|
1135 /** |
|
1136 * Determines whether or not the provided item is undefined |
|
1137 * @method isUndefined |
|
1138 * @static |
|
1139 * @param o The object to test |
|
1140 * @return {boolean} true if o is undefined |
|
1141 */ |
|
1142 L.isUndefined = function(o) { |
|
1143 return typeof o === UNDEFINED; |
|
1144 }; |
|
1145 |
|
1146 /** |
|
1147 * Returns a string without any leading or trailing whitespace. If |
|
1148 * the input is not a string, the input will be returned untouched. |
|
1149 * @method trim |
|
1150 * @static |
|
1151 * @param s {string} the string to trim |
|
1152 * @return {string} the trimmed string |
|
1153 */ |
|
1154 L.trim = function(s){ |
|
1155 try { |
|
1156 return s.replace(TRIMREGEX, EMPTYSTRING); |
|
1157 } catch(e) { |
|
1158 return s; |
|
1159 } |
|
1160 }; |
|
1161 |
|
1162 /** |
|
1163 * A convenience method for detecting a legitimate non-null value. |
|
1164 * Returns false for null/undefined/NaN, true for other values, |
|
1165 * including 0/false/'' |
|
1166 * @method isValue |
|
1167 * @static |
|
1168 * @param o The item to test |
|
1169 * @return {boolean} true if it is not null/undefined/NaN || false |
|
1170 */ |
|
1171 L.isValue = function(o) { |
|
1172 var t = L.type(o); |
|
1173 switch (t) { |
|
1174 case NUMBER: |
|
1175 return isFinite(o); |
|
1176 case NULL: |
|
1177 case UNDEFINED: |
|
1178 return false; |
|
1179 default: |
|
1180 return !!(t); |
|
1181 } |
|
1182 }; |
|
1183 |
|
1184 /** |
|
1185 * Returns a string representing the type of the item passed in. |
|
1186 * @method type |
|
1187 * @param o the item to test |
|
1188 * @return {string} the detected type |
|
1189 */ |
|
1190 L.type = function (o) { |
|
1191 return TYPES[typeof o] || TYPES[TOSTRING.call(o)] || (o ? OBJECT : NULL); |
|
1192 }; |
|
1193 |
|
1194 })(); |
|
1195 |
|
1196 /* |
|
1197 * Provides information about the environment hosting YUI |
|
1198 * @module yui |
|
1199 * @submodule Array |
|
1200 */ |
|
1201 |
|
1202 (function() { |
|
1203 |
|
1204 var L = Y.Lang, Native = Array.prototype, |
|
1205 |
|
1206 /** |
|
1207 * Adds the following array utilities to the YUI instance. Additional |
|
1208 * array helpers can be found in the collection component. |
|
1209 * @class Array |
|
1210 */ |
|
1211 |
|
1212 /** |
|
1213 * Y.Array(o) returns an array: |
|
1214 * - Arrays are return unmodified unless the start position is specified. |
|
1215 * - "Array-like" collections (@see Array.test) are converted to arrays |
|
1216 * - For everything else, a new array is created with the input as the sole item |
|
1217 * - The start position is used if the input is or is like an array to return |
|
1218 * a subset of the collection. |
|
1219 * |
|
1220 * @TODO this will not automatically convert elements that are also collections |
|
1221 * such as forms and selects. Passing true as the third param will |
|
1222 * force a conversion. |
|
1223 * |
|
1224 * @method () |
|
1225 * @static |
|
1226 * @param o the item to arrayify |
|
1227 * @param i {int} if an array or array-like, this is the start index |
|
1228 * @param al {boolean} if true, it forces the array-like fork. This |
|
1229 * can be used to avoid multiple array.test calls. |
|
1230 * @return {Array} the resulting array |
|
1231 */ |
|
1232 YArray = function(o, startIdx, al) { |
|
1233 var t = (al) ? 2 : Y.Array.test(o), i, l, a; |
|
1234 |
|
1235 // switch (t) { |
|
1236 // case 1: |
|
1237 // // return (startIdx) ? o.slice(startIdx) : o; |
|
1238 // case 2: |
|
1239 // return Native.slice.call(o, startIdx || 0); |
|
1240 // default: |
|
1241 // return [o]; |
|
1242 // } |
|
1243 |
|
1244 if (t) { |
|
1245 try { |
|
1246 return Native.slice.call(o, startIdx || 0); |
|
1247 // IE errors when trying to slice element collections |
|
1248 } catch(e) { |
|
1249 a=[]; |
|
1250 for (i=0, l=o.length; i<l; i=i+1) { |
|
1251 a.push(o[i]); |
|
1252 } |
|
1253 return a; |
|
1254 } |
|
1255 } else { |
|
1256 return [o]; |
|
1257 } |
|
1258 |
|
1259 }; |
|
1260 |
|
1261 Y.Array = YArray; |
|
1262 |
|
1263 /** |
|
1264 * Evaluates the input to determine if it is an array, array-like, or |
|
1265 * something else. This is used to handle the arguments collection |
|
1266 * available within functions, and HTMLElement collections |
|
1267 * |
|
1268 * @method test |
|
1269 * @static |
|
1270 * |
|
1271 * @todo current implementation (intenionally) will not implicitly |
|
1272 * handle html elements that are array-like (forms, selects, etc). |
|
1273 * |
|
1274 * @return {int} a number indicating the results: |
|
1275 * 0: Not an array or an array-like collection |
|
1276 * 1: A real array. |
|
1277 * 2: array-like collection. |
|
1278 */ |
|
1279 YArray.test = function(o) { |
|
1280 var r = 0; |
|
1281 if (L.isObject(o)) { |
|
1282 if (L.isArray(o)) { |
|
1283 r = 1; |
|
1284 } else { |
|
1285 try { |
|
1286 // indexed, but no tagName (element) or alert (window) |
|
1287 if ("length" in o && !("tagName" in o) && !("alert" in o) && |
|
1288 (!Y.Lang.isFunction(o.size) || o.size() > 1)) { |
|
1289 r = 2; |
|
1290 } |
|
1291 |
|
1292 } catch(e) {} |
|
1293 } |
|
1294 } |
|
1295 return r; |
|
1296 }; |
|
1297 |
|
1298 /** |
|
1299 * Executes the supplied function on each item in the array. |
|
1300 * @method each |
|
1301 * @param a {Array} the array to iterate |
|
1302 * @param f {Function} the function to execute on each item |
|
1303 * @param o Optional context object |
|
1304 * @static |
|
1305 * @return {YUI} the YUI instance |
|
1306 */ |
|
1307 YArray.each = (Native.forEach) ? |
|
1308 function (a, f, o) { |
|
1309 Native.forEach.call(a || [], f, o || Y); |
|
1310 return Y; |
|
1311 } : |
|
1312 function (a, f, o) { |
|
1313 var l = (a && a.length) || 0, i; |
|
1314 for (i = 0; i < l; i=i+1) { |
|
1315 f.call(o || Y, a[i], i, a); |
|
1316 } |
|
1317 return Y; |
|
1318 }; |
|
1319 |
|
1320 /** |
|
1321 * Returns an object using the first array as keys, and |
|
1322 * the second as values. If the second array is not |
|
1323 * provided the value is set to true for each. |
|
1324 * @method hash |
|
1325 * @static |
|
1326 * @param k {Array} keyset |
|
1327 * @param v {Array} optional valueset |
|
1328 * @return {object} the hash |
|
1329 */ |
|
1330 YArray.hash = function(k, v) { |
|
1331 var o = {}, l = k.length, vl = v && v.length, i; |
|
1332 for (i=0; i<l; i=i+1) { |
|
1333 o[k[i]] = (vl && vl > i) ? v[i] : true; |
|
1334 } |
|
1335 |
|
1336 return o; |
|
1337 }; |
|
1338 |
|
1339 /** |
|
1340 * Returns the index of the first item in the array |
|
1341 * that contains the specified value, -1 if the |
|
1342 * value isn't found. |
|
1343 * @method indexOf |
|
1344 * @static |
|
1345 * @param a {Array} the array to search |
|
1346 * @param val the value to search for |
|
1347 * @return {int} the index of the item that contains the value or -1 |
|
1348 */ |
|
1349 YArray.indexOf = (Native.indexOf) ? |
|
1350 function(a, val) { |
|
1351 return a.indexOf(val); |
|
1352 } : |
|
1353 function(a, val) { |
|
1354 for (var i=0; i<a.length; i=i+1) { |
|
1355 if (a[i] === val) { |
|
1356 return i; |
|
1357 } |
|
1358 } |
|
1359 |
|
1360 return -1; |
|
1361 }; |
|
1362 |
|
1363 /** |
|
1364 * Numeric sort convenience function. |
|
1365 * Y.ArrayAssert.itemsAreEqual([1, 2, 3], [3, 1, 2].sort(Y.Array.numericSort)); |
|
1366 * @method numericSort |
|
1367 */ |
|
1368 YArray.numericSort = function(a, b) { |
|
1369 return (a - b); |
|
1370 }; |
|
1371 |
|
1372 /** |
|
1373 * Executes the supplied function on each item in the array. |
|
1374 * Returning true from the processing function will stop the |
|
1375 * processing of the remaining |
|
1376 * items. |
|
1377 * @method some |
|
1378 * @param a {Array} the array to iterate |
|
1379 * @param f {Function} the function to execute on each item |
|
1380 * @param o Optional context object |
|
1381 * @static |
|
1382 * @return {boolean} true if the function returns true on |
|
1383 * any of the items in the array |
|
1384 */ |
|
1385 YArray.some = (Native.some) ? |
|
1386 function (a, f, o) { |
|
1387 return Native.some.call(a, f, o); |
|
1388 } : |
|
1389 function (a, f, o) { |
|
1390 var l = a.length, i; |
|
1391 for (i=0; i<l; i=i+1) { |
|
1392 if (f.call(o, a[i], i, a)) { |
|
1393 return true; |
|
1394 } |
|
1395 } |
|
1396 return false; |
|
1397 }; |
|
1398 |
|
1399 })(); |
|
1400 (function() { |
|
1401 |
|
1402 var L = Y.Lang, |
|
1403 DELIMITER = '__', |
|
1404 // FROZEN = { |
|
1405 // 'prototype': 1, |
|
1406 // '_yuid': 1 |
|
1407 // }, |
|
1408 |
|
1409 /* |
|
1410 * IE will not enumerate native functions in a derived object even if the |
|
1411 * function was overridden. This is a workaround for specific functions |
|
1412 * we care about on the Object prototype. |
|
1413 * @property _iefix |
|
1414 * @for YUI |
|
1415 * @param {Function} r the object to receive the augmentation |
|
1416 * @param {Function} s the object that supplies the properties to augment |
|
1417 * @private |
|
1418 */ |
|
1419 _iefix = function(r, s) { |
|
1420 var fn = s.toString; |
|
1421 if (L.isFunction(fn) && fn != Object.prototype.toString) { |
|
1422 r.toString = fn; |
|
1423 } |
|
1424 }; |
|
1425 |
|
1426 |
|
1427 /** |
|
1428 * Returns a new object containing all of the properties of |
|
1429 * all the supplied objects. The properties from later objects |
|
1430 * will overwrite those in earlier objects. Passing in a |
|
1431 * single object will create a shallow copy of it. For a deep |
|
1432 * copy, use clone. |
|
1433 * @method merge |
|
1434 * @for YUI |
|
1435 * @param arguments {Object*} the objects to merge |
|
1436 * @return {object} the new merged object |
|
1437 */ |
|
1438 Y.merge = function() { |
|
1439 var a = arguments, o = {}, i, l = a.length; |
|
1440 for (i=0; i<l; i=i+1) { |
|
1441 Y.mix(o, a[i], true); |
|
1442 } |
|
1443 return o; |
|
1444 }; |
|
1445 |
|
1446 /** |
|
1447 * Applies the supplier's properties to the receiver. By default |
|
1448 * all prototype and static propertes on the supplier are applied |
|
1449 * to the corresponding spot on the receiver. By default all |
|
1450 * properties are applied, and a property that is already on the |
|
1451 * reciever will not be overwritten. The default behavior can |
|
1452 * be modified by supplying the appropriate parameters. |
|
1453 * |
|
1454 * @TODO add constants for the modes |
|
1455 * |
|
1456 * @method mix |
|
1457 * @param {Function} r the object to receive the augmentation |
|
1458 * @param {Function} s the object that supplies the properties to augment |
|
1459 * @param ov {boolean} if true, properties already on the receiver |
|
1460 * will be overwritten if found on the supplier. |
|
1461 * @param wl {string[]} a whitelist. If supplied, only properties in |
|
1462 * this list will be applied to the receiver. |
|
1463 * @param {int} mode what should be copies, and to where |
|
1464 * default(0): object to object |
|
1465 * 1: prototype to prototype (old augment) |
|
1466 * 2: prototype to prototype and object props (new augment) |
|
1467 * 3: prototype to object |
|
1468 * 4: object to prototype |
|
1469 * @param merge {boolean} merge objects instead of overwriting/ignoring |
|
1470 * Used by Y.aggregate |
|
1471 * @return {object} the augmented object |
|
1472 */ |
|
1473 Y.mix = function(r, s, ov, wl, mode, merge) { |
|
1474 |
|
1475 if (!s||!r) { |
|
1476 return r || Y; |
|
1477 } |
|
1478 |
|
1479 if (mode) { |
|
1480 switch (mode) { |
|
1481 case 1: // proto to proto |
|
1482 return Y.mix(r.prototype, s.prototype); |
|
1483 case 2: // object to object and proto to proto |
|
1484 Y.mix(r.prototype, s.prototype); |
|
1485 break; // pass through |
|
1486 case 3: // proto to static |
|
1487 return Y.mix(r, s.prototype); |
|
1488 case 4: // static to proto |
|
1489 return Y.mix(r.prototype, s); |
|
1490 default: // object to object is what happens below |
|
1491 } |
|
1492 } |
|
1493 |
|
1494 // Maybe don't even need this wl && wl.length check anymore?? |
|
1495 var arr = merge && L.isArray(r), i, l, p; |
|
1496 |
|
1497 if (wl && wl.length) { |
|
1498 for (i = 0, l = wl.length; i < l; ++i) { |
|
1499 p = wl[i]; |
|
1500 if (p in s) { |
|
1501 if (merge && L.isObject(r[p], true)) { |
|
1502 Y.mix(r[p], s[p]); |
|
1503 } else if (!arr && (ov || !(p in r))) { |
|
1504 r[p] = s[p]; |
|
1505 } else if (arr) { |
|
1506 r.push(s[p]); |
|
1507 } |
|
1508 } |
|
1509 } |
|
1510 } else { |
|
1511 for (i in s) { |
|
1512 // if (s.hasOwnProperty(i) && !(i in FROZEN)) { |
|
1513 // check white list if it was supplied |
|
1514 // if the receiver has this property, it is an object, |
|
1515 // and merge is specified, merge the two objects. |
|
1516 if (merge && L.isObject(r[i], true)) { |
|
1517 Y.mix(r[i], s[i]); // recursive |
|
1518 // otherwise apply the property only if overwrite |
|
1519 // is specified or the receiver doesn't have one. |
|
1520 } else if (!arr && (ov || !(i in r))) { |
|
1521 r[i] = s[i]; |
|
1522 // if merge is specified and the receiver is an array, |
|
1523 // append the array item |
|
1524 } else if (arr) { |
|
1525 r.push(s[i]); |
|
1526 } |
|
1527 // } |
|
1528 } |
|
1529 |
|
1530 if (Y.UA.ie) { |
|
1531 _iefix(r, s); |
|
1532 } |
|
1533 } |
|
1534 |
|
1535 return r; |
|
1536 }; |
|
1537 |
|
1538 /** |
|
1539 * Returns a wrapper for a function which caches the |
|
1540 * return value of that function, keyed off of the combined |
|
1541 * argument values. |
|
1542 * @function cached |
|
1543 * @param source {function} the function to memoize |
|
1544 * @param cache an optional cache seed |
|
1545 * @return {Function} the wrapped function |
|
1546 */ |
|
1547 Y.cached = function(source, cache){ |
|
1548 cache = cache || {}; |
|
1549 |
|
1550 // I want the profiler to show me separate entries for each |
|
1551 // cached function. Is this too much to ask? |
|
1552 |
|
1553 // return function cached_sourceFunction |
|
1554 // return this['cached_' + source.name] = function |
|
1555 // var a = function(){}; a.name = 'foo'; return a; |
|
1556 |
|
1557 return function cached(arg1, arg2) { |
|
1558 |
|
1559 // (?)() 51 5.76% 0.571ms 1.01ms 0.02ms 0.001ms 0.041ms |
|
1560 // A() 76 6.58% 0.652ms 0.652ms 0.009ms 0.005ms 0.03ms |
|
1561 // var key = (arg2 !== undefined) ? Y.Array(arguments, 0, true).join(DELIMITER) : arg1; |
|
1562 |
|
1563 // (?)() 51 8.57% 0.837ms 0.838ms 0.016ms 0.013ms 0.024ms |
|
1564 // var key = (arguments.length > 1) ? Array.prototype.join.call(arguments, DELIMITER) : arg1; |
|
1565 |
|
1566 // (?)() 51 8.06% 0.761ms 0.762ms 0.015ms 0.002ms 0.025ms |
|
1567 // var key = (arg2 !== undefined) ? Array.prototype.join.call(arguments, DELIMITER) : arg1; |
|
1568 |
|
1569 // (?)() 51 7.87% 0.749ms 0.751ms 0.015ms 0.001ms 0.027ms |
|
1570 // A() 30 2.23% 0.214ms 0.214ms 0.007ms 0.005ms 0.009ms |
|
1571 var key = (arg2) ? Array.prototype.join.call(arguments, DELIMITER) : arg1; |
|
1572 |
|
1573 if (!(key in cache)) { |
|
1574 cache[key] = source.apply(source, arguments); |
|
1575 } |
|
1576 |
|
1577 return cache[key]; |
|
1578 }; |
|
1579 |
|
1580 }; |
|
1581 |
|
1582 })(); |
|
1583 |
|
1584 (function() { |
|
1585 |
|
1586 /** |
|
1587 * Adds the following Object utilities to the YUI instance |
|
1588 * @class Object |
|
1589 */ |
|
1590 |
|
1591 /** |
|
1592 * Y.Object(o) returns a new object based upon the supplied object. |
|
1593 * @TODO Use native Object.create() when available |
|
1594 * @method () |
|
1595 * @static |
|
1596 * @param o the supplier object |
|
1597 * @return {Object} the new object |
|
1598 */ |
|
1599 Y.Object = function(o) { |
|
1600 var F = function() {}; |
|
1601 F.prototype = o; |
|
1602 return new F(); |
|
1603 }; |
|
1604 |
|
1605 var O = Y.Object, |
|
1606 |
|
1607 UNDEFINED = undefined, |
|
1608 |
|
1609 /** |
|
1610 * Extracts the keys, values, or size from an object |
|
1611 * |
|
1612 * @method _extract |
|
1613 * @param o the object |
|
1614 * @param what what to extract (0: keys, 1: values, 2: size) |
|
1615 * @return {boolean|Array} the extracted info |
|
1616 * @static |
|
1617 * @private |
|
1618 */ |
|
1619 _extract = function(o, what) { |
|
1620 var count = (what === 2), out = (count) ? 0 : [], i; |
|
1621 |
|
1622 for (i in o) { |
|
1623 if (count) { |
|
1624 out++; |
|
1625 } else { |
|
1626 if (o.hasOwnProperty(i)) { |
|
1627 out.push((what) ? o[i] : i); |
|
1628 } |
|
1629 } |
|
1630 } |
|
1631 |
|
1632 return out; |
|
1633 }; |
|
1634 |
|
1635 /** |
|
1636 * Returns an array containing the object's keys |
|
1637 * @TODO use native Object.keys() if available |
|
1638 * @method keys |
|
1639 * @static |
|
1640 * @param o an object |
|
1641 * @return {string[]} the keys |
|
1642 */ |
|
1643 O.keys = function(o) { |
|
1644 return _extract(o); |
|
1645 }; |
|
1646 |
|
1647 /** |
|
1648 * Returns an array containing the object's values |
|
1649 * @TODO use native Object.values() if available |
|
1650 * @method values |
|
1651 * @static |
|
1652 * @param o an object |
|
1653 * @return {Array} the values |
|
1654 */ |
|
1655 O.values = function(o) { |
|
1656 return _extract(o, 1); |
|
1657 }; |
|
1658 |
|
1659 /** |
|
1660 * Returns the size of an object |
|
1661 * @TODO use native Object.size() if available |
|
1662 * @method size |
|
1663 * @static |
|
1664 * @param o an object |
|
1665 * @return {int} the size |
|
1666 */ |
|
1667 O.size = function(o) { |
|
1668 return _extract(o, 2); |
|
1669 }; |
|
1670 |
|
1671 /** |
|
1672 * Returns true if the object contains a given key |
|
1673 * @method hasKey |
|
1674 * @static |
|
1675 * @param o an object |
|
1676 * @param k the key to query |
|
1677 * @return {boolean} true if the object contains the key |
|
1678 */ |
|
1679 O.hasKey = function(o, k) { |
|
1680 // return (o.hasOwnProperty(k)); |
|
1681 return (k in o); |
|
1682 }; |
|
1683 |
|
1684 /** |
|
1685 * Returns true if the object contains a given value |
|
1686 * @method hasValue |
|
1687 * @static |
|
1688 * @param o an object |
|
1689 * @param v the value to query |
|
1690 * @return {boolean} true if the object contains the value |
|
1691 */ |
|
1692 O.hasValue = function(o, v) { |
|
1693 return (Y.Array.indexOf(O.values(o), v) > -1); |
|
1694 }; |
|
1695 |
|
1696 /** |
|
1697 * Determines whether or not the property was added |
|
1698 * to the object instance. Returns false if the property is not present |
|
1699 * in the object, or was inherited from the prototype. |
|
1700 * |
|
1701 * @deprecated Safari 1.x support has been removed, so this is simply a |
|
1702 * wrapper for the native implementation. Use the native implementation |
|
1703 * directly instead. |
|
1704 * |
|
1705 * @TODO Remove in B1 |
|
1706 * |
|
1707 * @method owns |
|
1708 * @static |
|
1709 * @param o {any} The object being testing |
|
1710 * @param p {string} the property to look for |
|
1711 * @return {boolean} true if the object has the property on the instance |
|
1712 */ |
|
1713 O.owns = function(o, k) { |
|
1714 return (o.hasOwnProperty(k)); |
|
1715 }; |
|
1716 |
|
1717 /** |
|
1718 * Executes a function on each item. The function |
|
1719 * receives the value, the key, and the object |
|
1720 * as paramters (in that order). |
|
1721 * @method each |
|
1722 * @static |
|
1723 * @param o the object to iterate |
|
1724 * @param f {function} the function to execute |
|
1725 * @param c the execution context |
|
1726 * @param proto {boolean} include proto |
|
1727 * @return {YUI} the YUI instance |
|
1728 */ |
|
1729 O.each = function (o, f, c, proto) { |
|
1730 var s = c || Y, i; |
|
1731 |
|
1732 for (i in o) { |
|
1733 if (proto || o.hasOwnProperty(i)) { |
|
1734 f.call(s, o[i], i, o); |
|
1735 } |
|
1736 } |
|
1737 return Y; |
|
1738 }; |
|
1739 |
|
1740 /** |
|
1741 * Retrieves the sub value at the provided path, |
|
1742 * from the value object provided. |
|
1743 * |
|
1744 * @method getValue |
|
1745 * @param o The object from which to extract the property value |
|
1746 * @param path {Array} A path array, specifying the object traversal path |
|
1747 * from which to obtain the sub value. |
|
1748 * @return {Any} The value stored in the path, undefined if not found. |
|
1749 * Returns the source object if an empty path is provided. |
|
1750 */ |
|
1751 O.getValue = function (o, path) { |
|
1752 var p=Y.Array(path), l=p.length, i; |
|
1753 |
|
1754 for (i=0; o !== UNDEFINED && i < l; i=i+1) { |
|
1755 o = o[p[i]]; |
|
1756 } |
|
1757 |
|
1758 return o; |
|
1759 }; |
|
1760 |
|
1761 /** |
|
1762 * Sets the sub-attribute value at the provided path on the |
|
1763 * value object. Returns the modified value object, or |
|
1764 * undefined if the path is invalid. |
|
1765 * |
|
1766 * @method setValue |
|
1767 * @param o The object on which to set the sub value. |
|
1768 * @param path {Array} A path array, specifying the object traversal path |
|
1769 * at which to set the sub value. |
|
1770 * @param val {Any} The new value for the sub-attribute. |
|
1771 * @return {Object} The modified object, with the new sub value set, or |
|
1772 * undefined, if the path was invalid. |
|
1773 */ |
|
1774 O.setValue = function(o, path, val) { |
|
1775 |
|
1776 var p=Y.Array(path), leafIdx=p.length-1, i, ref=o; |
|
1777 |
|
1778 if (leafIdx >= 0) { |
|
1779 for (i=0; ref !== UNDEFINED && i < leafIdx; i=i+1) { |
|
1780 ref = ref[p[i]]; |
|
1781 } |
|
1782 |
|
1783 if (ref !== UNDEFINED) { |
|
1784 ref[p[i]] = val; |
|
1785 } else { |
|
1786 return UNDEFINED; |
|
1787 } |
|
1788 } |
|
1789 |
|
1790 return o; |
|
1791 }; |
|
1792 |
|
1793 |
|
1794 })(); |
|
1795 |
|
1796 /* |
|
1797 * Provides information about the environment hosting YUI |
|
1798 * @module yui |
|
1799 * @submodule UA |
|
1800 */ |
|
1801 /** |
|
1802 * YUI user agent detection. |
|
1803 * Do not fork for a browser if it can be avoided. Use feature detection when |
|
1804 * you can. Use the user agent as a last resort. UA stores a version |
|
1805 * number for the browser engine, 0 otherwise. This value may or may not map |
|
1806 * to the version number of the browser using the engine. The value is |
|
1807 * presented as a float so that it can easily be used for boolean evaluation |
|
1808 * as well as for looking for a particular range of versions. Because of this, |
|
1809 * some of the granularity of the version info may be lost (e.g., Gecko 1.8.0.9 |
|
1810 * reports 1.8). |
|
1811 * @class UA |
|
1812 * @static |
|
1813 */ |
|
1814 Y.UA = function() { |
|
1815 |
|
1816 var nav = navigator, |
|
1817 o = { |
|
1818 |
|
1819 /** |
|
1820 * Internet Explorer version number or 0. Example: 6 |
|
1821 * @property ie |
|
1822 * @type float |
|
1823 * @static |
|
1824 */ |
|
1825 ie:0, |
|
1826 |
|
1827 /** |
|
1828 * Opera version number or 0. Example: 9.2 |
|
1829 * @property opera |
|
1830 * @type float |
|
1831 * @static |
|
1832 */ |
|
1833 opera:0, |
|
1834 |
|
1835 /** |
|
1836 * Gecko engine revision number. Will evaluate to 1 if Gecko |
|
1837 * is detected but the revision could not be found. Other browsers |
|
1838 * will be 0. Example: 1.8 |
|
1839 * <pre> |
|
1840 * Firefox 1.0.0.4: 1.7.8 <-- Reports 1.7 |
|
1841 * Firefox 1.5.0.9: 1.8.0.9 <-- Reports 1.8 |
|
1842 * Firefox 2.0.0.3: 1.8.1.3 <-- Reports 1.8 |
|
1843 * Firefox 3 alpha: 1.9a4 <-- Reports 1.9 |
|
1844 * </pre> |
|
1845 * @property gecko |
|
1846 * @type float |
|
1847 * @static |
|
1848 */ |
|
1849 gecko:0, |
|
1850 |
|
1851 /** |
|
1852 * AppleWebKit version. KHTML browsers that are not WebKit browsers |
|
1853 * will evaluate to 1, other browsers 0. Example: 418.9 |
|
1854 * <pre> |
|
1855 * Safari 1.3.2 (312.6): 312.8.1 <-- Reports 312.8 -- currently the |
|
1856 * latest available for Mac OSX 10.3. |
|
1857 * Safari 2.0.2: 416 <-- hasOwnProperty introduced |
|
1858 * Safari 2.0.4: 418 <-- preventDefault fixed |
|
1859 * Safari 2.0.4 (419.3): 418.9.1 <-- One version of Safari may run |
|
1860 * different versions of webkit |
|
1861 * Safari 2.0.4 (419.3): 419 <-- Tiger installations that have been |
|
1862 * updated, but not updated |
|
1863 * to the latest patch. |
|
1864 * Webkit 212 nightly: 522+ <-- Safari 3.0 precursor (with native SVG |
|
1865 * and many major issues fixed). |
|
1866 * Safari 3.0.4 (523.12) 523.12 <-- First Tiger release - automatic update |
|
1867 * from 2.x via the 10.4.11 OS patch |
|
1868 * Webkit nightly 1/2008:525+ <-- Supports DOMContentLoaded event. |
|
1869 * yahoo.com user agent hack removed. |
|
1870 * </pre> |
|
1871 * http://en.wikipedia.org/wiki/Safari_(web_browser)#Version_history |
|
1872 * @property webkit |
|
1873 * @type float |
|
1874 * @static |
|
1875 */ |
|
1876 webkit:0, |
|
1877 |
|
1878 /** |
|
1879 * The mobile property will be set to a string containing any relevant |
|
1880 * user agent information when a modern mobile browser is detected. |
|
1881 * Currently limited to Safari on the iPhone/iPod Touch, Nokia N-series |
|
1882 * devices with the WebKit-based browser, and Opera Mini. |
|
1883 * @property mobile |
|
1884 * @type string |
|
1885 * @static |
|
1886 */ |
|
1887 mobile: null, |
|
1888 |
|
1889 /** |
|
1890 * Adobe AIR version number or 0. Only populated if webkit is detected. |
|
1891 * Example: 1.0 |
|
1892 * @property air |
|
1893 * @type float |
|
1894 */ |
|
1895 air: 0, |
|
1896 |
|
1897 /** |
|
1898 * Google Caja version number or 0. |
|
1899 * @property caja |
|
1900 * @type float |
|
1901 */ |
|
1902 caja: nav.cajaVersion, |
|
1903 |
|
1904 /** |
|
1905 * Set to true if the page appears to be in SSL |
|
1906 * @property secure |
|
1907 * @type boolean |
|
1908 * @static |
|
1909 */ |
|
1910 secure: false, |
|
1911 |
|
1912 /** |
|
1913 * The operating system. Currently only detecting windows or macintosh |
|
1914 * @property os |
|
1915 * @type string |
|
1916 * @static |
|
1917 */ |
|
1918 os: null |
|
1919 |
|
1920 }, |
|
1921 |
|
1922 ua = nav && nav.userAgent, |
|
1923 |
|
1924 loc = Y.config.win.location, |
|
1925 |
|
1926 href = loc && loc.href, |
|
1927 |
|
1928 m; |
|
1929 |
|
1930 o.secure = href && (href.toLowerCase().indexOf("https") === 0); |
|
1931 |
|
1932 if (ua) { |
|
1933 |
|
1934 if ((/windows|win32/).test(ua)) { |
|
1935 o.os = 'windows'; |
|
1936 } else if ((/macintosh/).test(ua)) { |
|
1937 o.os = 'macintosh'; |
|
1938 } |
|
1939 |
|
1940 // Modern KHTML browsers should qualify as Safari X-Grade |
|
1941 if ((/KHTML/).test(ua)) { |
|
1942 o.webkit=1; |
|
1943 } |
|
1944 // Modern WebKit browsers are at least X-Grade |
|
1945 m=ua.match(/AppleWebKit\/([^\s]*)/); |
|
1946 if (m&&m[1]) { |
|
1947 o.webkit=parseFloat(m[1]); |
|
1948 |
|
1949 // Mobile browser check |
|
1950 if (/ Mobile\//.test(ua)) { |
|
1951 o.mobile = "Apple"; // iPhone or iPod Touch |
|
1952 } else { |
|
1953 m=ua.match(/NokiaN[^\/]*/); |
|
1954 if (m) { |
|
1955 o.mobile = m[0]; // Nokia N-series, ex: NokiaN95 |
|
1956 } |
|
1957 } |
|
1958 |
|
1959 m=ua.match(/AdobeAIR\/([^\s]*)/); |
|
1960 if (m) { |
|
1961 o.air = m[0]; // Adobe AIR 1.0 or better |
|
1962 } |
|
1963 |
|
1964 } |
|
1965 |
|
1966 if (!o.webkit) { // not webkit |
|
1967 // @todo check Opera/8.01 (J2ME/MIDP; Opera Mini/2.0.4509/1316; fi; U; ssr) |
|
1968 m=ua.match(/Opera[\s\/]([^\s]*)/); |
|
1969 if (m&&m[1]) { |
|
1970 o.opera=parseFloat(m[1]); |
|
1971 m=ua.match(/Opera Mini[^;]*/); |
|
1972 if (m) { |
|
1973 o.mobile = m[0]; // ex: Opera Mini/2.0.4509/1316 |
|
1974 } |
|
1975 } else { // not opera or webkit |
|
1976 m=ua.match(/MSIE\s([^;]*)/); |
|
1977 if (m&&m[1]) { |
|
1978 o.ie=parseFloat(m[1]); |
|
1979 } else { // not opera, webkit, or ie |
|
1980 m=ua.match(/Gecko\/([^\s]*)/); |
|
1981 if (m) { |
|
1982 o.gecko=1; // Gecko detected, look for revision |
|
1983 m=ua.match(/rv:([^\s\)]*)/); |
|
1984 if (m&&m[1]) { |
|
1985 o.gecko=parseFloat(m[1]); |
|
1986 } |
|
1987 } |
|
1988 } |
|
1989 } |
|
1990 } |
|
1991 } |
|
1992 |
|
1993 return o; |
|
1994 }(); |
|
1995 (function() { |
|
1996 var L = Y.Lang, |
|
1997 |
|
1998 /** |
|
1999 * Executes the supplied function in the context of the supplied |
|
2000 * object 'when' milliseconds later. Executes the function a |
|
2001 * single time unless periodic is set to true. |
|
2002 * @method later |
|
2003 * @for YUI |
|
2004 * @param when {int} the number of milliseconds to wait until the fn |
|
2005 * is executed. |
|
2006 * @param o the context object. |
|
2007 * @param fn {Function|String} the function to execute or the name of |
|
2008 * the method in the 'o' object to execute. |
|
2009 * @param data [Array] data that is provided to the function. This accepts |
|
2010 * either a single item or an array. If an array is provided, the |
|
2011 * function is executed with one parameter for each array item. If |
|
2012 * you need to pass a single array parameter, it needs to be wrapped in |
|
2013 * an array [myarray]. |
|
2014 * @param periodic {boolean} if true, executes continuously at supplied |
|
2015 * interval until canceled. |
|
2016 * @return {object} a timer object. Call the cancel() method on this object to |
|
2017 * stop the timer. |
|
2018 */ |
|
2019 later = function(when, o, fn, data, periodic) { |
|
2020 when = when || 0; |
|
2021 o = o || {}; |
|
2022 var m=fn, d=data, f, r; |
|
2023 |
|
2024 if (L.isString(fn)) { |
|
2025 m = o[fn]; |
|
2026 } |
|
2027 |
|
2028 if (!m) { |
|
2029 Y.error("method undefined"); |
|
2030 } |
|
2031 |
|
2032 if (!L.isArray(d)) { |
|
2033 d = [data]; |
|
2034 } |
|
2035 |
|
2036 f = function() { |
|
2037 m.apply(o, d); |
|
2038 }; |
|
2039 |
|
2040 r = (periodic) ? setInterval(f, when) : setTimeout(f, when); |
|
2041 |
|
2042 return { |
|
2043 id: r, |
|
2044 interval: periodic, |
|
2045 cancel: function() { |
|
2046 if (this.interval) { |
|
2047 clearInterval(r); |
|
2048 } else { |
|
2049 clearTimeout(r); |
|
2050 } |
|
2051 } |
|
2052 }; |
|
2053 }; |
|
2054 |
|
2055 Y.later = later; |
|
2056 L.later = later; |
|
2057 |
|
2058 })(); |
|
2059 (function() { |
|
2060 |
|
2061 // var min = ['yui-base', 'log', 'lang', 'array', 'core'], core, C = Y.config; |
|
2062 var min = ['yui-base'], core, C = Y.config; |
|
2063 |
|
2064 // apply the minimal required functionality |
|
2065 Y.use.apply(Y, min); |
|
2066 |
|
2067 Y.log(Y.id + ' initialized', 'info', 'yui'); |
|
2068 |
|
2069 if (C.core) { |
|
2070 |
|
2071 core = C.core; |
|
2072 |
|
2073 } else { |
|
2074 |
|
2075 core = ['queue-base', 'get', 'loader']; |
|
2076 } |
|
2077 |
|
2078 Y.use.apply(Y, core); |
|
2079 |
|
2080 |
|
2081 })(); |
|
2082 |
|
2083 |
|
2084 |
|
2085 }, '3.0.0b1' ); |