1 | /*! |
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2 | * Ext JS Library 3.0.0 |
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3 | * Copyright(c) 2006-2009 Ext JS, LLC |
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4 | * licensing@extjs.com |
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5 | * http://www.extjs.com/license |
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6 | */ |
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7 | |
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8 | // for old browsers |
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9 | window.undefined = window.undefined; |
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10 | |
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11 | /** |
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12 | * @class Ext |
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13 | * Ext core utilities and functions. |
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14 | * @singleton |
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15 | */ |
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16 | |
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17 | Ext = { |
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18 | /** |
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19 | * The version of the framework |
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20 | * @type String |
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21 | */ |
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22 | version : '3.0' |
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23 | }; |
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24 | |
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25 | /** |
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26 | * Copies all the properties of config to obj. |
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27 | * @param {Object} obj The receiver of the properties |
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28 | * @param {Object} config The source of the properties |
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29 | * @param {Object} defaults A different object that will also be applied for default values |
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30 | * @return {Object} returns obj |
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31 | * @member Ext apply |
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32 | */ |
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33 | Ext.apply = function(o, c, defaults){ |
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34 | // no "this" reference for friendly out of scope calls |
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35 | if(defaults){ |
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36 | Ext.apply(o, defaults); |
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37 | } |
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38 | if(o && c && typeof c == 'object'){ |
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39 | for(var p in c){ |
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40 | o[p] = c[p]; |
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41 | } |
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42 | } |
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43 | return o; |
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44 | }; |
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45 | |
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46 | (function(){ |
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47 | var idSeed = 0, |
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48 | toString = Object.prototype.toString, |
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49 | //assume it's not null and not an array |
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50 | isIterable = function(v){ |
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51 | //check for array or arguments |
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52 | if(Ext.isArray(v) || v.callee){ |
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53 | return true; |
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54 | } |
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55 | //check for node list type |
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56 | if(/NodeList|HTMLCollection/.test(toString.call(v))){ |
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57 | return true; |
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58 | } |
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59 | //NodeList has an item and length property |
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60 | //IXMLDOMNodeList has nextNode method, needs to be checked first. |
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61 | return ((v.nextNode || v.item) && Ext.isNumber(v.length)); |
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62 | }, |
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63 | ua = navigator.userAgent.toLowerCase(), |
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64 | check = function(r){ |
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65 | return r.test(ua); |
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66 | }, |
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67 | DOC = document, |
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68 | isStrict = DOC.compatMode == "CSS1Compat", |
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69 | isOpera = check(/opera/), |
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70 | isChrome = check(/chrome/), |
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71 | isWebKit = check(/webkit/), |
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72 | isSafari = !isChrome && check(/safari/), |
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73 | isSafari2 = isSafari && check(/applewebkit\/4/), // unique to Safari 2 |
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74 | isSafari3 = isSafari && check(/version\/3/), |
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75 | isSafari4 = isSafari && check(/version\/4/), |
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76 | isIE = !isOpera && check(/msie/), |
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77 | isIE7 = isIE && check(/msie 7/), |
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78 | isIE8 = isIE && check(/msie 8/), |
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79 | isIE6 = isIE && !isIE7 && !isIE8, |
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80 | isGecko = !isWebKit && check(/gecko/), |
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81 | isGecko2 = isGecko && check(/rv:1\.8/), |
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82 | isGecko3 = isGecko && check(/rv:1\.9/), |
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83 | isBorderBox = isIE && !isStrict, |
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84 | isWindows = check(/windows|win32/), |
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85 | isMac = check(/macintosh|mac os x/), |
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86 | isAir = check(/adobeair/), |
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87 | isLinux = check(/linux/), |
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88 | isSecure = /^https/i.test(window.location.protocol); |
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89 | |
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90 | // remove css image flicker |
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91 | if(isIE6){ |
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92 | try{ |
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93 | DOC.execCommand("BackgroundImageCache", false, true); |
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94 | }catch(e){} |
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95 | } |
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96 | |
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97 | Ext.apply(Ext, { |
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98 | /** |
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99 | * URL to a blank file used by Ext when in secure mode for iframe src and onReady src to prevent |
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100 | * the IE insecure content warning (defaults to javascript:false). |
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101 | * @type String |
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102 | */ |
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103 | SSL_SECURE_URL : 'javascript:false', |
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104 | /** |
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105 | * True if the browser is in strict (standards-compliant) mode, as opposed to quirks mode |
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106 | * @type Boolean |
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107 | */ |
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108 | isStrict : isStrict, |
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109 | /** |
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110 | * True if the page is running over SSL |
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111 | * @type Boolean |
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112 | */ |
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113 | isSecure : isSecure, |
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114 | /** |
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115 | * True when the document is fully initialized and ready for action |
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116 | * @type Boolean |
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117 | */ |
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118 | isReady : false, |
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119 | |
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120 | /** |
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121 | * True if the {@link Ext.Fx} Class is available |
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122 | * @type Boolean |
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123 | * @property enableFx |
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124 | */ |
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125 | |
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126 | /** |
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127 | * True to automatically uncache orphaned Ext.Elements periodically (defaults to true) |
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128 | * @type Boolean |
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129 | */ |
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130 | enableGarbageCollector : true, |
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131 | |
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132 | /** |
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133 | * True to automatically purge event listeners after uncaching an element (defaults to false). |
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134 | * Note: this only happens if {@link #enableGarbageCollector} is true. |
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135 | * @type Boolean |
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136 | */ |
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137 | enableListenerCollection : false, |
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138 | |
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139 | /** |
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140 | * Indicates whether to use native browser parsing for JSON methods. |
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141 | * This option is ignored if the browser does not support native JSON methods. |
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142 | * <b>Note: Native JSON methods will not work with objects that have functions. |
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143 | * Also, property names must be quoted, otherwise the data will not parse.</b> (Defaults to false) |
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144 | * @type Boolean |
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145 | */ |
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146 | USE_NATIVE_JSON : false, |
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147 | |
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148 | /** |
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149 | * Copies all the properties of config to obj if they don't already exist. |
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150 | * @param {Object} obj The receiver of the properties |
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151 | * @param {Object} config The source of the properties |
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152 | * @return {Object} returns obj |
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153 | */ |
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154 | applyIf : function(o, c){ |
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155 | if(o){ |
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156 | for(var p in c){ |
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157 | if(Ext.isEmpty(o[p])){ |
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158 | o[p] = c[p]; |
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159 | } |
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160 | } |
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161 | } |
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162 | return o; |
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163 | }, |
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164 | |
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165 | /** |
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166 | * Generates unique ids. If the element already has an id, it is unchanged |
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167 | * @param {Mixed} el (optional) The element to generate an id for |
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168 | * @param {String} prefix (optional) Id prefix (defaults "ext-gen") |
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169 | * @return {String} The generated Id. |
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170 | */ |
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171 | id : function(el, prefix){ |
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172 | return (el = Ext.getDom(el) || {}).id = el.id || (prefix || "ext-gen") + (++idSeed); |
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173 | }, |
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174 | |
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175 | /** |
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176 | * Extends one class with another class and optionally overrides members with the passed literal. This class |
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177 | * also adds the function "override()" to the class that can be used to override |
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178 | * members on an instance. |
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179 | * * <p> |
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180 | * This function also supports a 2-argument call in which the subclass's constructor is |
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181 | * not passed as an argument. In this form, the parameters are as follows:</p><p> |
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182 | * <div class="mdetail-params"><ul> |
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183 | * <li><code>superclass</code> |
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184 | * <div class="sub-desc">The class being extended</div></li> |
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185 | * <li><code>overrides</code> |
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186 | * <div class="sub-desc">A literal with members which are copied into the subclass's |
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187 | * prototype, and are therefore shared among all instances of the new class.<p> |
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188 | * This may contain a special member named <tt><b>constructor</b></tt>. This is used |
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189 | * to define the constructor of the new class, and is returned. If this property is |
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190 | * <i>not</i> specified, a constructor is generated and returned which just calls the |
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191 | * superclass's constructor passing on its parameters.</p></div></li> |
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192 | * </ul></div></p><p> |
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193 | * For example, to create a subclass of the Ext GridPanel: |
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194 | * <pre><code> |
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195 | MyGridPanel = Ext.extend(Ext.grid.GridPanel, { |
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196 | constructor: function(config) { |
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197 | // Your preprocessing here |
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198 | MyGridPanel.superclass.constructor.apply(this, arguments); |
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199 | // Your postprocessing here |
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200 | }, |
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201 | |
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202 | yourMethod: function() { |
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203 | // etc. |
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204 | } |
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205 | }); |
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206 | </code></pre> |
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207 | * </p> |
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208 | * @param {Function} subclass The class inheriting the functionality |
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209 | * @param {Function} superclass The class being extended |
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210 | * @param {Object} overrides (optional) A literal with members which are copied into the subclass's |
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211 | * prototype, and are therefore shared between all instances of the new class. |
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212 | * @return {Function} The subclass constructor. |
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213 | * @method extend |
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214 | */ |
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215 | extend : function(){ |
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216 | // inline overrides |
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217 | var io = function(o){ |
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218 | for(var m in o){ |
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219 | this[m] = o[m]; |
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220 | } |
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221 | }; |
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222 | var oc = Object.prototype.constructor; |
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223 | |
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224 | return function(sb, sp, overrides){ |
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225 | if(Ext.isObject(sp)){ |
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226 | overrides = sp; |
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227 | sp = sb; |
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228 | sb = overrides.constructor != oc ? overrides.constructor : function(){sp.apply(this, arguments);}; |
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229 | } |
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230 | var F = function(){}, |
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231 | sbp, |
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232 | spp = sp.prototype; |
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233 | |
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234 | F.prototype = spp; |
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235 | sbp = sb.prototype = new F(); |
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236 | sbp.constructor=sb; |
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237 | sb.superclass=spp; |
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238 | if(spp.constructor == oc){ |
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239 | spp.constructor=sp; |
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240 | } |
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241 | sb.override = function(o){ |
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242 | Ext.override(sb, o); |
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243 | }; |
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244 | sbp.superclass = sbp.supr = (function(){ |
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245 | return spp; |
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246 | }); |
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247 | sbp.override = io; |
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248 | Ext.override(sb, overrides); |
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249 | sb.extend = function(o){Ext.extend(sb, o);}; |
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250 | return sb; |
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251 | }; |
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252 | }(), |
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253 | |
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254 | /** |
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255 | * Adds a list of functions to the prototype of an existing class, overwriting any existing methods with the same name. |
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256 | * Usage:<pre><code> |
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257 | Ext.override(MyClass, { |
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258 | newMethod1: function(){ |
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259 | // etc. |
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260 | }, |
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261 | newMethod2: function(foo){ |
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262 | // etc. |
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263 | } |
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264 | }); |
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265 | </code></pre> |
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266 | * @param {Object} origclass The class to override |
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267 | * @param {Object} overrides The list of functions to add to origClass. This should be specified as an object literal |
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268 | * containing one or more methods. |
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269 | * @method override |
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270 | */ |
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271 | override : function(origclass, overrides){ |
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272 | if(overrides){ |
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273 | var p = origclass.prototype; |
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274 | Ext.apply(p, overrides); |
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275 | if(Ext.isIE && overrides.toString != origclass.toString){ |
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276 | p.toString = overrides.toString; |
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277 | } |
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278 | } |
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279 | }, |
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280 | |
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281 | /** |
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282 | * Creates namespaces to be used for scoping variables and classes so that they are not global. |
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283 | * Specifying the last node of a namespace implicitly creates all other nodes. Usage: |
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284 | * <pre><code> |
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285 | Ext.namespace('Company', 'Company.data'); |
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286 | Ext.namespace('Company.data'); // equivalent and preferable to above syntax |
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287 | Company.Widget = function() { ... } |
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288 | Company.data.CustomStore = function(config) { ... } |
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289 | </code></pre> |
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290 | * @param {String} namespace1 |
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291 | * @param {String} namespace2 |
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292 | * @param {String} etc |
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293 | * @method namespace |
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294 | */ |
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295 | namespace : function(){ |
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296 | var o, d; |
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297 | Ext.each(arguments, function(v) { |
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298 | d = v.split("."); |
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299 | o = window[d[0]] = window[d[0]] || {}; |
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300 | Ext.each(d.slice(1), function(v2){ |
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301 | o = o[v2] = o[v2] || {}; |
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302 | }); |
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303 | }); |
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304 | return o; |
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305 | }, |
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306 | |
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307 | /** |
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308 | * Takes an object and converts it to an encoded URL. e.g. Ext.urlEncode({foo: 1, bar: 2}); would return "foo=1&bar=2". Optionally, property values can be arrays, instead of keys and the resulting string that's returned will contain a name/value pair for each array value. |
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309 | * @param {Object} o |
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310 | * @param {String} pre (optional) A prefix to add to the url encoded string |
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311 | * @return {String} |
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312 | */ |
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313 | urlEncode: function(o, pre){ |
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314 | var undef, buf = [], key, e = encodeURIComponent; |
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315 | |
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316 | for(key in o){ |
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317 | undef = !Ext.isDefined(o[key]); |
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318 | Ext.each(undef ? key : o[key], function(val, i){ |
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319 | buf.push("&", e(key), "=", (val != key || !undef) ? e(val) : ""); |
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320 | }); |
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321 | } |
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322 | if(!pre){ |
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323 | buf.shift(); |
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324 | pre = ""; |
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325 | } |
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326 | return pre + buf.join(''); |
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327 | }, |
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328 | |
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329 | /** |
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330 | * Takes an encoded URL and and converts it to an object. Example: <pre><code> |
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331 | Ext.urlDecode("foo=1&bar=2"); // returns {foo: "1", bar: "2"} |
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332 | Ext.urlDecode("foo=1&bar=2&bar=3&bar=4", false); // returns {foo: "1", bar: ["2", "3", "4"]} |
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333 | </code></pre> |
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334 | * @param {String} string |
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335 | * @param {Boolean} overwrite (optional) Items of the same name will overwrite previous values instead of creating an an array (Defaults to false). |
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336 | * @return {Object} A literal with members |
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337 | */ |
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338 | urlDecode : function(string, overwrite){ |
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339 | var obj = {}, |
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340 | pairs = string.split('&'), |
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341 | d = decodeURIComponent, |
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342 | name, |
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343 | value; |
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344 | Ext.each(pairs, function(pair) { |
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345 | pair = pair.split('='); |
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346 | name = d(pair[0]); |
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347 | value = d(pair[1]); |
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348 | obj[name] = overwrite || !obj[name] ? value : |
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349 | [].concat(obj[name]).concat(value); |
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350 | }); |
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351 | return obj; |
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352 | }, |
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353 | |
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354 | /** |
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355 | * Appends content to the query string of a URL, which handles logic for whether to place |
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356 | * a question mark or ampersand. |
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357 | * @param {String} url The url to append to. |
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358 | * @@param {String} s The content to append to the url. |
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359 | * @return (String) The appended string |
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360 | */ |
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361 | urlAppend : function(url, s){ |
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362 | if(!Ext.isEmpty(s)){ |
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363 | return url + (url.indexOf('?') === -1 ? '?' : '&') + s; |
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364 | } |
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365 | return url; |
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366 | }, |
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367 | |
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368 | /** |
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369 | * Converts any iterable (numeric indices and a length property) into a true array |
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370 | * Don't use this on strings. IE doesn't support "abc"[0] which this implementation depends on. |
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371 | * For strings, use this instead: "abc".match(/./g) => [a,b,c]; |
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372 | * @param {Iterable} the iterable object to be turned into a true Array. |
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373 | * @return (Array) array |
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374 | */ |
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375 | toArray : function(){ |
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376 | return isIE ? |
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377 | function(a, i, j, res){ |
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378 | res = []; |
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379 | Ext.each(a, function(v) { |
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380 | res.push(v); |
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381 | }); |
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382 | return res.slice(i || 0, j || res.length); |
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383 | } : |
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384 | function(a, i, j){ |
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385 | return Array.prototype.slice.call(a, i || 0, j || a.length); |
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386 | } |
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387 | }(), |
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388 | |
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389 | /** |
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390 | * Iterates an array calling the passed function with each item, stopping if your function returns false. If the |
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391 | * passed array is not really an array, your function is called once with it. |
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392 | * The supplied function is called with (Object item, Number index, Array allItems). |
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393 | * @param {Array/NodeList/Mixed} array |
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394 | * @param {Function} fn |
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395 | * @param {Object} scope |
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396 | */ |
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397 | each: function(array, fn, scope){ |
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398 | if(Ext.isEmpty(array, true)){ |
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399 | return; |
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400 | } |
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401 | if(!isIterable(array) || Ext.isPrimitive(array)){ |
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402 | array = [array]; |
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403 | } |
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404 | for(var i = 0, len = array.length; i < len; i++){ |
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405 | if(fn.call(scope || array[i], array[i], i, array) === false){ |
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406 | return i; |
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407 | }; |
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408 | } |
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409 | }, |
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410 | |
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411 | /** |
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412 | * Iterates either the elements in an array, or each of the properties in an object. |
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413 | * <b>Note</b>: If you are only iterating arrays, it is better to call {@link #each}. |
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414 | * @param {Object/Array} object The object or array to be iterated |
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415 | * @param {Function} fn The function to be called for each iteration. |
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416 | * The iteration will stop if the supplied function returns false, or |
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417 | * all array elements / object properties have been covered. The signature |
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418 | * varies depending on the type of object being interated: |
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419 | * <div class="mdetail-params"><ul> |
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420 | * <li>Arrays : <tt>(Object item, Number index, Array allItems)</tt> |
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421 | * <div class="sub-desc"> |
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422 | * When iterating an array, the supplied function is called with each item.</div></li> |
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423 | * <li>Objects : <tt>(String key, Object value)</tt> |
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424 | * <div class="sub-desc"> |
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425 | * When iterating an object, the supplied function is called with each key-value pair in |
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426 | * the object.</div></li> |
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427 | * </ul></div> |
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428 | * @param {Object} scope The scope to call the supplied function with, defaults to |
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429 | * the specified <tt>object</tt> |
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430 | */ |
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431 | iterate : function(obj, fn, scope){ |
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432 | if(isIterable(obj)){ |
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433 | Ext.each(obj, fn, scope); |
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434 | return; |
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435 | }else if(Ext.isObject(obj)){ |
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436 | for(var prop in obj){ |
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437 | if(obj.hasOwnProperty(prop)){ |
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438 | if(fn.call(scope || obj, prop, obj[prop]) === false){ |
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439 | return; |
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440 | }; |
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441 | } |
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442 | } |
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443 | } |
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444 | }, |
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445 | |
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446 | /** |
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447 | * Return the dom node for the passed String (id), dom node, or Ext.Element. |
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448 | * Here are some examples: |
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449 | * <pre><code> |
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450 | // gets dom node based on id |
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451 | var elDom = Ext.getDom('elId'); |
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452 | // gets dom node based on the dom node |
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453 | var elDom1 = Ext.getDom(elDom); |
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454 | |
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455 | // If we don't know if we are working with an |
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456 | // Ext.Element or a dom node use Ext.getDom |
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457 | function(el){ |
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458 | var dom = Ext.getDom(el); |
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459 | // do something with the dom node |
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460 | } |
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461 | * </code></pre> |
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462 | * <b>Note</b>: the dom node to be found actually needs to exist (be rendered, etc) |
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463 | * when this method is called to be successful. |
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464 | * @param {Mixed} el |
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465 | * @return HTMLElement |
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466 | */ |
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467 | getDom : function(el){ |
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468 | if(!el || !DOC){ |
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469 | return null; |
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470 | } |
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471 | return el.dom ? el.dom : (Ext.isString(el) ? DOC.getElementById(el) : el); |
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472 | }, |
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473 | |
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474 | /** |
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475 | * Returns the current document body as an {@link Ext.Element}. |
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476 | * @return Ext.Element The document body |
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477 | */ |
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478 | getBody : function(){ |
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479 | return Ext.get(DOC.body || DOC.documentElement); |
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480 | }, |
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481 | |
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482 | /** |
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483 | * Removes a DOM node from the document. The body node will be ignored if passed in. |
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484 | * @param {HTMLElement} node The node to remove |
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485 | */ |
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486 | removeNode : isIE ? function(){ |
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487 | var d; |
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488 | return function(n){ |
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489 | if(n && n.tagName != 'BODY'){ |
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490 | d = d || DOC.createElement('div'); |
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491 | d.appendChild(n); |
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492 | d.innerHTML = ''; |
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493 | } |
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494 | } |
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495 | }() : function(n){ |
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496 | if(n && n.parentNode && n.tagName != 'BODY'){ |
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497 | n.parentNode.removeChild(n); |
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498 | } |
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499 | }, |
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500 | |
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501 | /** |
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502 | * <p>Returns true if the passed value is empty.</p> |
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503 | * <p>The value is deemed to be empty if it is<div class="mdetail-params"><ul> |
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504 | * <li>null</li> |
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505 | * <li>undefined</li> |
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506 | * <li>an empty array</li> |
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507 | * <li>a zero length string (Unless the <tt>allowBlank</tt> parameter is <tt>true</tt>)</li> |
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508 | * </ul></div> |
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509 | * @param {Mixed} value The value to test |
---|
510 | * @param {Boolean} allowBlank (optional) true to allow empty strings (defaults to false) |
---|
511 | * @return {Boolean} |
---|
512 | */ |
---|
513 | isEmpty : function(v, allowBlank){ |
---|
514 | return v === null || v === undefined || ((Ext.isArray(v) && !v.length)) || (!allowBlank ? v === '' : false); |
---|
515 | }, |
---|
516 | |
---|
517 | /** |
---|
518 | * Returns true if the passed object is a JavaScript array, otherwise false. |
---|
519 | * @param {Object} object The object to test |
---|
520 | * @return {Boolean} |
---|
521 | */ |
---|
522 | isArray : function(v){ |
---|
523 | return toString.apply(v) === '[object Array]'; |
---|
524 | }, |
---|
525 | |
---|
526 | /** |
---|
527 | * Returns true if the passed object is a JavaScript Object, otherwise false. |
---|
528 | * @param {Object} object The object to test |
---|
529 | * @return {Boolean} |
---|
530 | */ |
---|
531 | isObject : function(v){ |
---|
532 | return v && typeof v == "object"; |
---|
533 | }, |
---|
534 | |
---|
535 | /** |
---|
536 | * Returns true if the passed object is a JavaScript 'primitive', a string, number or boolean. |
---|
537 | * @param {Mixed} value The value to test |
---|
538 | * @return {Boolean} |
---|
539 | */ |
---|
540 | isPrimitive : function(v){ |
---|
541 | return Ext.isString(v) || Ext.isNumber(v) || Ext.isBoolean(v); |
---|
542 | }, |
---|
543 | |
---|
544 | /** |
---|
545 | * Returns true if the passed object is a JavaScript Function, otherwise false. |
---|
546 | * @param {Object} object The object to test |
---|
547 | * @return {Boolean} |
---|
548 | */ |
---|
549 | isFunction : function(v){ |
---|
550 | return toString.apply(v) === '[object Function]'; |
---|
551 | }, |
---|
552 | |
---|
553 | /** |
---|
554 | * Returns true if the passed object is a number. Returns false for non-finite numbers. |
---|
555 | * @param {Object} v The object to test |
---|
556 | * @return {Boolean} |
---|
557 | */ |
---|
558 | isNumber: function(v){ |
---|
559 | return typeof v === 'number' && isFinite(v); |
---|
560 | }, |
---|
561 | |
---|
562 | /** |
---|
563 | * Returns true if the passed object is a string. |
---|
564 | * @param {Object} v The object to test |
---|
565 | * @return {Boolean} |
---|
566 | */ |
---|
567 | isString: function(v){ |
---|
568 | return typeof v === 'string'; |
---|
569 | }, |
---|
570 | |
---|
571 | /** |
---|
572 | * Returns true if the passed object is a boolean. |
---|
573 | * @param {Object} v The object to test |
---|
574 | * @return {Boolean} |
---|
575 | */ |
---|
576 | isBoolean: function(v){ |
---|
577 | return typeof v === 'boolean'; |
---|
578 | }, |
---|
579 | |
---|
580 | /** |
---|
581 | * Returns true if the passed object is not undefined. |
---|
582 | * @param {Object} v The object to test |
---|
583 | * @return {Boolean} |
---|
584 | */ |
---|
585 | isDefined: function(v){ |
---|
586 | return typeof v !== 'undefined'; |
---|
587 | }, |
---|
588 | |
---|
589 | /** |
---|
590 | * True if the detected browser is Opera. |
---|
591 | * @type Boolean |
---|
592 | */ |
---|
593 | isOpera : isOpera, |
---|
594 | /** |
---|
595 | * True if the detected browser uses WebKit. |
---|
596 | * @type Boolean |
---|
597 | */ |
---|
598 | isWebKit: isWebKit, |
---|
599 | /** |
---|
600 | * True if the detected browser is Chrome. |
---|
601 | * @type Boolean |
---|
602 | */ |
---|
603 | isChrome : isChrome, |
---|
604 | /** |
---|
605 | * True if the detected browser is Safari. |
---|
606 | * @type Boolean |
---|
607 | */ |
---|
608 | isSafari : isSafari, |
---|
609 | /** |
---|
610 | * True if the detected browser is Safari 3.x. |
---|
611 | * @type Boolean |
---|
612 | */ |
---|
613 | isSafari3 : isSafari3, |
---|
614 | /** |
---|
615 | * True if the detected browser is Safari 4.x. |
---|
616 | * @type Boolean |
---|
617 | */ |
---|
618 | isSafari4 : isSafari4, |
---|
619 | /** |
---|
620 | * True if the detected browser is Safari 2.x. |
---|
621 | * @type Boolean |
---|
622 | */ |
---|
623 | isSafari2 : isSafari2, |
---|
624 | /** |
---|
625 | * True if the detected browser is Internet Explorer. |
---|
626 | * @type Boolean |
---|
627 | */ |
---|
628 | isIE : isIE, |
---|
629 | /** |
---|
630 | * True if the detected browser is Internet Explorer 6.x. |
---|
631 | * @type Boolean |
---|
632 | */ |
---|
633 | isIE6 : isIE6, |
---|
634 | /** |
---|
635 | * True if the detected browser is Internet Explorer 7.x. |
---|
636 | * @type Boolean |
---|
637 | */ |
---|
638 | isIE7 : isIE7, |
---|
639 | /** |
---|
640 | * True if the detected browser is Internet Explorer 8.x. |
---|
641 | * @type Boolean |
---|
642 | */ |
---|
643 | isIE8 : isIE8, |
---|
644 | /** |
---|
645 | * True if the detected browser uses the Gecko layout engine (e.g. Mozilla, Firefox). |
---|
646 | * @type Boolean |
---|
647 | */ |
---|
648 | isGecko : isGecko, |
---|
649 | /** |
---|
650 | * True if the detected browser uses a pre-Gecko 1.9 layout engine (e.g. Firefox 2.x). |
---|
651 | * @type Boolean |
---|
652 | */ |
---|
653 | isGecko2 : isGecko2, |
---|
654 | /** |
---|
655 | * True if the detected browser uses a Gecko 1.9+ layout engine (e.g. Firefox 3.x). |
---|
656 | * @type Boolean |
---|
657 | */ |
---|
658 | isGecko3 : isGecko3, |
---|
659 | /** |
---|
660 | * True if the detected browser is Internet Explorer running in non-strict mode. |
---|
661 | * @type Boolean |
---|
662 | */ |
---|
663 | isBorderBox : isBorderBox, |
---|
664 | /** |
---|
665 | * True if the detected platform is Linux. |
---|
666 | * @type Boolean |
---|
667 | */ |
---|
668 | isLinux : isLinux, |
---|
669 | /** |
---|
670 | * True if the detected platform is Windows. |
---|
671 | * @type Boolean |
---|
672 | */ |
---|
673 | isWindows : isWindows, |
---|
674 | /** |
---|
675 | * True if the detected platform is Mac OS. |
---|
676 | * @type Boolean |
---|
677 | */ |
---|
678 | isMac : isMac, |
---|
679 | /** |
---|
680 | * True if the detected platform is Adobe Air. |
---|
681 | * @type Boolean |
---|
682 | */ |
---|
683 | isAir : isAir |
---|
684 | }); |
---|
685 | |
---|
686 | /** |
---|
687 | * Creates namespaces to be used for scoping variables and classes so that they are not global. |
---|
688 | * Specifying the last node of a namespace implicitly creates all other nodes. Usage: |
---|
689 | * <pre><code> |
---|
690 | Ext.namespace('Company', 'Company.data'); |
---|
691 | Ext.namespace('Company.data'); // equivalent and preferable to above syntax |
---|
692 | Company.Widget = function() { ... } |
---|
693 | Company.data.CustomStore = function(config) { ... } |
---|
694 | </code></pre> |
---|
695 | * @param {String} namespace1 |
---|
696 | * @param {String} namespace2 |
---|
697 | * @param {String} etc |
---|
698 | * @method namespace |
---|
699 | */ |
---|
700 | Ext.ns = Ext.namespace; |
---|
701 | })(); |
---|
702 | |
---|
703 | Ext.ns("Ext", "Ext.util", "Ext.lib", "Ext.data"); |
---|
704 | |
---|
705 | |
---|
706 | /** |
---|
707 | * @class Function |
---|
708 | * These functions are available on every Function object (any JavaScript function). |
---|
709 | */ |
---|
710 | Ext.apply(Function.prototype, { |
---|
711 | /** |
---|
712 | * Creates an interceptor function. The passed fcn is called before the original one. If it returns false, |
---|
713 | * the original one is not called. The resulting function returns the results of the original function. |
---|
714 | * The passed fcn is called with the parameters of the original function. Example usage: |
---|
715 | * <pre><code> |
---|
716 | var sayHi = function(name){ |
---|
717 | alert('Hi, ' + name); |
---|
718 | } |
---|
719 | |
---|
720 | sayHi('Fred'); // alerts "Hi, Fred" |
---|
721 | |
---|
722 | // create a new function that validates input without |
---|
723 | // directly modifying the original function: |
---|
724 | var sayHiToFriend = sayHi.createInterceptor(function(name){ |
---|
725 | return name == 'Brian'; |
---|
726 | }); |
---|
727 | |
---|
728 | sayHiToFriend('Fred'); // no alert |
---|
729 | sayHiToFriend('Brian'); // alerts "Hi, Brian" |
---|
730 | </code></pre> |
---|
731 | * @param {Function} fcn The function to call before the original |
---|
732 | * @param {Object} scope (optional) The scope of the passed fcn (Defaults to scope of original function or window) |
---|
733 | * @return {Function} The new function |
---|
734 | */ |
---|
735 | createInterceptor : function(fcn, scope){ |
---|
736 | var method = this; |
---|
737 | return !Ext.isFunction(fcn) ? |
---|
738 | this : |
---|
739 | function() { |
---|
740 | var me = this, |
---|
741 | args = arguments; |
---|
742 | fcn.target = me; |
---|
743 | fcn.method = method; |
---|
744 | return (fcn.apply(scope || me || window, args) !== false) ? |
---|
745 | method.apply(me || window, args) : |
---|
746 | null; |
---|
747 | }; |
---|
748 | }, |
---|
749 | |
---|
750 | /** |
---|
751 | * Creates a callback that passes arguments[0], arguments[1], arguments[2], ... |
---|
752 | * Call directly on any function. Example: <code>myFunction.createCallback(arg1, arg2)</code> |
---|
753 | * Will create a function that is bound to those 2 args. <b>If a specific scope is required in the |
---|
754 | * callback, use {@link #createDelegate} instead.</b> The function returned by createCallback always |
---|
755 | * executes in the window scope. |
---|
756 | * <p>This method is required when you want to pass arguments to a callback function. If no arguments |
---|
757 | * are needed, you can simply pass a reference to the function as a callback (e.g., callback: myFn). |
---|
758 | * However, if you tried to pass a function with arguments (e.g., callback: myFn(arg1, arg2)) the function |
---|
759 | * would simply execute immediately when the code is parsed. Example usage: |
---|
760 | * <pre><code> |
---|
761 | var sayHi = function(name){ |
---|
762 | alert('Hi, ' + name); |
---|
763 | } |
---|
764 | |
---|
765 | // clicking the button alerts "Hi, Fred" |
---|
766 | new Ext.Button({ |
---|
767 | text: 'Say Hi', |
---|
768 | renderTo: Ext.getBody(), |
---|
769 | handler: sayHi.createCallback('Fred') |
---|
770 | }); |
---|
771 | </code></pre> |
---|
772 | * @return {Function} The new function |
---|
773 | */ |
---|
774 | createCallback : function(/*args...*/){ |
---|
775 | // make args available, in function below |
---|
776 | var args = arguments, |
---|
777 | method = this; |
---|
778 | return function() { |
---|
779 | return method.apply(window, args); |
---|
780 | }; |
---|
781 | }, |
---|
782 | |
---|
783 | /** |
---|
784 | * Creates a delegate (callback) that sets the scope to obj. |
---|
785 | * Call directly on any function. Example: <code>this.myFunction.createDelegate(this, [arg1, arg2])</code> |
---|
786 | * Will create a function that is automatically scoped to obj so that the <tt>this</tt> variable inside the |
---|
787 | * callback points to obj. Example usage: |
---|
788 | * <pre><code> |
---|
789 | var sayHi = function(name){ |
---|
790 | // Note this use of "this.text" here. This function expects to |
---|
791 | // execute within a scope that contains a text property. In this |
---|
792 | // example, the "this" variable is pointing to the btn object that |
---|
793 | // was passed in createDelegate below. |
---|
794 | alert('Hi, ' + name + '. You clicked the "' + this.text + '" button.'); |
---|
795 | } |
---|
796 | |
---|
797 | var btn = new Ext.Button({ |
---|
798 | text: 'Say Hi', |
---|
799 | renderTo: Ext.getBody() |
---|
800 | }); |
---|
801 | |
---|
802 | // This callback will execute in the scope of the |
---|
803 | // button instance. Clicking the button alerts |
---|
804 | // "Hi, Fred. You clicked the "Say Hi" button." |
---|
805 | btn.on('click', sayHi.createDelegate(btn, ['Fred'])); |
---|
806 | </code></pre> |
---|
807 | * @param {Object} obj (optional) The object for which the scope is set |
---|
808 | * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller) |
---|
809 | * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding, |
---|
810 | * if a number the args are inserted at the specified position |
---|
811 | * @return {Function} The new function |
---|
812 | */ |
---|
813 | createDelegate : function(obj, args, appendArgs){ |
---|
814 | var method = this; |
---|
815 | return function() { |
---|
816 | var callArgs = args || arguments; |
---|
817 | if (appendArgs === true){ |
---|
818 | callArgs = Array.prototype.slice.call(arguments, 0); |
---|
819 | callArgs = callArgs.concat(args); |
---|
820 | }else if (Ext.isNumber(appendArgs)){ |
---|
821 | callArgs = Array.prototype.slice.call(arguments, 0); // copy arguments first |
---|
822 | var applyArgs = [appendArgs, 0].concat(args); // create method call params |
---|
823 | Array.prototype.splice.apply(callArgs, applyArgs); // splice them in |
---|
824 | } |
---|
825 | return method.apply(obj || window, callArgs); |
---|
826 | }; |
---|
827 | }, |
---|
828 | |
---|
829 | /** |
---|
830 | * Calls this function after the number of millseconds specified, optionally in a specific scope. Example usage: |
---|
831 | * <pre><code> |
---|
832 | var sayHi = function(name){ |
---|
833 | alert('Hi, ' + name); |
---|
834 | } |
---|
835 | |
---|
836 | // executes immediately: |
---|
837 | sayHi('Fred'); |
---|
838 | |
---|
839 | // executes after 2 seconds: |
---|
840 | sayHi.defer(2000, this, ['Fred']); |
---|
841 | |
---|
842 | // this syntax is sometimes useful for deferring |
---|
843 | // execution of an anonymous function: |
---|
844 | (function(){ |
---|
845 | alert('Anonymous'); |
---|
846 | }).defer(100); |
---|
847 | </code></pre> |
---|
848 | * @param {Number} millis The number of milliseconds for the setTimeout call (if less than or equal to 0 the function is executed immediately) |
---|
849 | * @param {Object} obj (optional) The object for which the scope is set |
---|
850 | * @param {Array} args (optional) Overrides arguments for the call. (Defaults to the arguments passed by the caller) |
---|
851 | * @param {Boolean/Number} appendArgs (optional) if True args are appended to call args instead of overriding, |
---|
852 | * if a number the args are inserted at the specified position |
---|
853 | * @return {Number} The timeout id that can be used with clearTimeout |
---|
854 | */ |
---|
855 | defer : function(millis, obj, args, appendArgs){ |
---|
856 | var fn = this.createDelegate(obj, args, appendArgs); |
---|
857 | if(millis > 0){ |
---|
858 | return setTimeout(fn, millis); |
---|
859 | } |
---|
860 | fn(); |
---|
861 | return 0; |
---|
862 | } |
---|
863 | }); |
---|
864 | |
---|
865 | /** |
---|
866 | * @class String |
---|
867 | * These functions are available on every String object. |
---|
868 | */ |
---|
869 | Ext.applyIf(String, { |
---|
870 | /** |
---|
871 | * Allows you to define a tokenized string and pass an arbitrary number of arguments to replace the tokens. Each |
---|
872 | * token must be unique, and must increment in the format {0}, {1}, etc. Example usage: |
---|
873 | * <pre><code> |
---|
874 | var cls = 'my-class', text = 'Some text'; |
---|
875 | var s = String.format('<div class="{0}">{1}</div>', cls, text); |
---|
876 | // s now contains the string: '<div class="my-class">Some text</div>' |
---|
877 | * </code></pre> |
---|
878 | * @param {String} string The tokenized string to be formatted |
---|
879 | * @param {String} value1 The value to replace token {0} |
---|
880 | * @param {String} value2 Etc... |
---|
881 | * @return {String} The formatted string |
---|
882 | * @static |
---|
883 | */ |
---|
884 | format : function(format){ |
---|
885 | var args = Ext.toArray(arguments, 1); |
---|
886 | return format.replace(/\{(\d+)\}/g, function(m, i){ |
---|
887 | return args[i]; |
---|
888 | }); |
---|
889 | } |
---|
890 | }); |
---|
891 | |
---|
892 | /** |
---|
893 | * @class Array |
---|
894 | */ |
---|
895 | Ext.applyIf(Array.prototype, { |
---|
896 | /** |
---|
897 | * Checks whether or not the specified object exists in the array. |
---|
898 | * @param {Object} o The object to check for |
---|
899 | * @return {Number} The index of o in the array (or -1 if it is not found) |
---|
900 | */ |
---|
901 | indexOf : function(o){ |
---|
902 | for (var i = 0, len = this.length; i < len; i++){ |
---|
903 | if(this[i] == o){ |
---|
904 | return i; |
---|
905 | } |
---|
906 | } |
---|
907 | return -1; |
---|
908 | }, |
---|
909 | |
---|
910 | /** |
---|
911 | * Removes the specified object from the array. If the object is not found nothing happens. |
---|
912 | * @param {Object} o The object to remove |
---|
913 | * @return {Array} this array |
---|
914 | */ |
---|
915 | remove : function(o){ |
---|
916 | var index = this.indexOf(o); |
---|
917 | if(index != -1){ |
---|
918 | this.splice(index, 1); |
---|
919 | } |
---|
920 | return this; |
---|
921 | } |
---|
922 | }); |
---|