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1 /*** |
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2 |
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3 MochiKit.DOM 1.4 |
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4 |
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5 See <http://mochikit.com/> for documentation, downloads, license, etc. |
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6 |
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7 (c) 2005 Bob Ippolito. All rights Reserved. |
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8 |
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9 ***/ |
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10 |
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11 if (typeof(dojo) != 'undefined') { |
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12 dojo.provide("MochiKit.DOM"); |
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13 dojo.require("MochiKit.Base"); |
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14 } |
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15 if (typeof(JSAN) != 'undefined') { |
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16 JSAN.use("MochiKit.Base", []); |
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17 } |
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18 |
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19 try { |
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20 if (typeof(MochiKit.Base) == 'undefined') { |
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21 throw ""; |
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22 } |
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23 } catch (e) { |
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24 throw "MochiKit.DOM depends on MochiKit.Base!"; |
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25 } |
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26 |
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27 if (typeof(MochiKit.DOM) == 'undefined') { |
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28 MochiKit.DOM = {}; |
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29 } |
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30 |
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31 MochiKit.DOM.NAME = "MochiKit.DOM"; |
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32 MochiKit.DOM.VERSION = "1.4"; |
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33 MochiKit.DOM.__repr__ = function () { |
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34 return "[" + this.NAME + " " + this.VERSION + "]"; |
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35 }; |
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36 MochiKit.DOM.toString = function () { |
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37 return this.__repr__(); |
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38 }; |
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39 |
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40 MochiKit.DOM.EXPORT = [ |
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41 "removeEmptyTextNodes", |
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42 "formContents", |
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43 "currentWindow", |
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44 "currentDocument", |
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45 "withWindow", |
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46 "withDocument", |
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47 "registerDOMConverter", |
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48 "coerceToDOM", |
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49 "createDOM", |
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50 "createDOMFunc", |
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51 "isChildNode", |
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52 "getNodeAttribute", |
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53 "removeNodeAttribute", |
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54 "setNodeAttribute", |
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55 "updateNodeAttributes", |
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56 "appendChildNodes", |
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57 "insertSiblingNodesAfter", |
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58 "insertSiblingNodesBefore", |
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59 "replaceChildNodes", |
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60 "removeElement", |
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61 "swapDOM", |
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62 "BUTTON", |
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63 "TT", |
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64 "PRE", |
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65 "H1", |
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66 "H2", |
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67 "H3", |
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68 "BR", |
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69 "CANVAS", |
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70 "HR", |
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71 "LABEL", |
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72 "TEXTAREA", |
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73 "FORM", |
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74 "STRONG", |
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75 "SELECT", |
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76 "OPTION", |
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77 "OPTGROUP", |
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78 "LEGEND", |
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79 "FIELDSET", |
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80 "P", |
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81 "UL", |
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82 "OL", |
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83 "LI", |
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84 "TD", |
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85 "TR", |
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86 "THEAD", |
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87 "TBODY", |
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88 "TFOOT", |
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89 "TABLE", |
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90 "TH", |
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91 "INPUT", |
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92 "SPAN", |
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93 "A", |
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94 "DIV", |
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95 "IMG", |
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96 "getElement", |
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97 "$", |
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98 "getElementsByTagAndClassName", |
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99 "addToCallStack", |
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100 "addLoadEvent", |
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101 "focusOnLoad", |
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102 "setElementClass", |
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103 "toggleElementClass", |
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104 "addElementClass", |
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105 "removeElementClass", |
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106 "swapElementClass", |
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107 "hasElementClass", |
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108 "escapeHTML", |
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109 "toHTML", |
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110 "emitHTML", |
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111 "scrapeText", |
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112 "isParent", |
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113 "getFirstParentByTagAndClassName", |
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114 "makeClipping", |
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115 "undoClipping", |
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116 "makePositioned", |
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117 "undoPositioned", |
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118 "getFirstElementByTagAndClassName" |
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119 ]; |
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120 |
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121 MochiKit.DOM.EXPORT_OK = [ |
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122 "domConverters" |
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123 ]; |
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124 |
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125 MochiKit.DOM.DEPRECATED = [ |
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126 ['computedStyle', 'MochiKit.Style.getStyle', '1.4'], |
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127 /** @id MochiKit.DOM.elementDimensions */ |
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128 ['elementDimensions', 'MochiKit.Style.getElementDimensions', '1.4'], |
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129 /** @id MochiKit.DOM.elementPosition */ |
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130 ['elementPosition', 'MochiKit.Style.getElementPosition', '1.4'], |
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131 ['hideElement', 'MochiKit.Style.hideElement', '1.4'], |
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132 /** @id MochiKit.DOM.setElementDimensions */ |
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133 ['setElementDimensions', 'MochiKit.Style.setElementDimensions', '1.4'], |
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134 /** @id MochiKit.DOM.setElementPosition */ |
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135 ['setElementPosition', 'MochiKit.Style.setElementPosition', '1.4'], |
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136 ['setDisplayForElement', 'MochiKit.Style.setDisplayForElement', '1.4'], |
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137 /** @id MochiKit.DOM.setOpacity */ |
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138 ['setOpacity', 'MochiKit.Style.setOpacity', '1.4'], |
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139 ['showElement', 'MochiKit.Style.showElement', '1.4'], |
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140 /** @id MochiKit.DOM.Coordinates */ |
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141 ['Coordinates', 'MochiKit.Style.Coordinates', '1.4'], // FIXME: broken |
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142 /** @id MochiKit.DOM.Dimensions */ |
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143 ['Dimensions', 'MochiKit.Style.Dimensions', '1.4'] // FIXME: broken |
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144 ]; |
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145 |
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146 /** @id MochiKit.DOM.getViewportDimensions */ |
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147 MochiKit.DOM.getViewportDimensions = new Function('' + |
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148 'if (!MochiKit["Style"]) {' + |
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149 ' throw new Error("This function has been deprecated and depends on MochiKit.Style.");' + |
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150 '}' + |
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151 'return MochiKit.Style.getViewportDimensions.apply(this, arguments);'); |
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152 |
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153 MochiKit.Base.update(MochiKit.DOM, { |
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154 |
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155 /** @id MochiKit.DOM.currentWindow */ |
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156 currentWindow: function () { |
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157 return MochiKit.DOM._window; |
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158 }, |
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159 |
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160 /** @id MochiKit.DOM.currentDocument */ |
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161 currentDocument: function () { |
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162 return MochiKit.DOM._document; |
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163 }, |
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164 |
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165 /** @id MochiKit.DOM.withWindow */ |
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166 withWindow: function (win, func) { |
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167 var self = MochiKit.DOM; |
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168 var oldDoc = self._document; |
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169 var oldWin = self._window; |
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170 var rval; |
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171 try { |
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172 self._window = win; |
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173 self._document = win.document; |
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174 rval = func(); |
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175 } catch (e) { |
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176 self._window = oldWin; |
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177 self._document = oldDoc; |
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178 throw e; |
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179 } |
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180 self._window = oldWin; |
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181 self._document = oldDoc; |
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182 return rval; |
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183 }, |
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184 |
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185 /** @id MochiKit.DOM.formContents */ |
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186 formContents: function (elem/* = document.body */) { |
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187 var names = []; |
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188 var values = []; |
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189 var m = MochiKit.Base; |
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190 var self = MochiKit.DOM; |
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191 if (typeof(elem) == "undefined" || elem === null) { |
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192 elem = self._document.body; |
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193 } else { |
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194 elem = self.getElement(elem); |
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195 } |
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196 m.nodeWalk(elem, function (elem) { |
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197 var name = elem.name; |
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198 if (m.isNotEmpty(name)) { |
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199 var tagName = elem.tagName.toUpperCase(); |
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200 if (tagName === "INPUT" |
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201 && (elem.type == "radio" || elem.type == "checkbox") |
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202 && !elem.checked |
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203 ) { |
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204 return null; |
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205 } |
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206 if (tagName === "SELECT") { |
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207 if (elem.type == "select-one") { |
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208 if (elem.selectedIndex >= 0) { |
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209 var opt = elem.options[elem.selectedIndex]; |
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210 var v = opt.value; |
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211 if (!v) { |
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212 var h = opt.outerHTML; |
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213 // internet explorer sure does suck. |
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214 if (h && !h.match(/^[^>]+\svalue\s*=/i)) { |
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215 v = opt.text; |
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216 } |
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217 } |
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218 names.push(name); |
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219 values.push(v); |
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220 return null; |
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221 } |
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222 // no form elements? |
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223 names.push(name); |
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224 values.push(""); |
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225 return null; |
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226 } else { |
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227 var opts = elem.options; |
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228 if (!opts.length) { |
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229 names.push(name); |
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230 values.push(""); |
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231 return null; |
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232 } |
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233 for (var i = 0; i < opts.length; i++) { |
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234 var opt = opts[i]; |
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235 if (!opt.selected) { |
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236 continue; |
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237 } |
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238 var v = opt.value; |
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239 if (!v) { |
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240 var h = opt.outerHTML; |
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241 // internet explorer sure does suck. |
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242 if (h && !h.match(/^[^>]+\svalue\s*=/i)) { |
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243 v = opt.text; |
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244 } |
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245 } |
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246 names.push(name); |
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247 values.push(v); |
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248 } |
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249 return null; |
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250 } |
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251 } |
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252 if (tagName === "FORM" || tagName === "P" || tagName === "SPAN" |
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253 || tagName === "DIV" |
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254 ) { |
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255 return elem.childNodes; |
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256 } |
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257 names.push(name); |
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258 values.push(elem.value || ''); |
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259 return null; |
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260 } |
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261 return elem.childNodes; |
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262 }); |
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263 return [names, values]; |
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264 }, |
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265 |
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266 /** @id MochiKit.DOM.withDocument */ |
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267 withDocument: function (doc, func) { |
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268 var self = MochiKit.DOM; |
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269 var oldDoc = self._document; |
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270 var rval; |
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271 try { |
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272 self._document = doc; |
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273 rval = func(); |
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274 } catch (e) { |
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275 self._document = oldDoc; |
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276 throw e; |
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277 } |
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278 self._document = oldDoc; |
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279 return rval; |
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280 }, |
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281 |
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282 /** @id MochiKit.DOM.registerDOMConverter */ |
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283 registerDOMConverter: function (name, check, wrap, /* optional */override) { |
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284 MochiKit.DOM.domConverters.register(name, check, wrap, override); |
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285 }, |
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286 |
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287 /** @id MochiKit.DOM.coerceToDOM */ |
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288 coerceToDOM: function (node, ctx) { |
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289 var m = MochiKit.Base; |
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290 var im = MochiKit.Iter; |
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291 var self = MochiKit.DOM; |
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292 if (im) { |
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293 var iter = im.iter; |
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294 var repeat = im.repeat; |
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295 var map = m.map; |
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296 } |
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297 var domConverters = self.domConverters; |
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298 var coerceToDOM = arguments.callee; |
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299 var NotFound = m.NotFound; |
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300 while (true) { |
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301 if (typeof(node) == 'undefined' || node === null) { |
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302 return null; |
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303 } |
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304 // this is a safari childNodes object, avoiding crashes w/ attr |
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305 // lookup |
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306 if (typeof(node) == "function" && |
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307 typeof(node.length) == "number" && |
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308 !(node instanceof Function)) { |
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309 node = im.list(node); |
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310 } |
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311 if (typeof(node.nodeType) != 'undefined' && node.nodeType > 0) { |
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312 return node; |
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313 } |
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314 if (typeof(node) == 'number' || typeof(node) == 'boolean') { |
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315 node = node.toString(); |
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316 // FALL THROUGH |
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317 } |
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318 if (typeof(node) == 'string') { |
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319 return self._document.createTextNode(node); |
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320 } |
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321 if (typeof(node.__dom__) == 'function') { |
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322 node = node.__dom__(ctx); |
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323 continue; |
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324 } |
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325 if (typeof(node.dom) == 'function') { |
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326 node = node.dom(ctx); |
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327 continue; |
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328 } |
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329 if (typeof(node) == 'function') { |
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330 node = node.apply(ctx, [ctx]); |
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331 continue; |
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332 } |
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333 |
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334 if (im) { |
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335 // iterable |
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336 var iterNodes = null; |
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337 try { |
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338 iterNodes = iter(node); |
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339 } catch (e) { |
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340 // pass |
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341 } |
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342 if (iterNodes) { |
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343 return map(coerceToDOM, iterNodes, repeat(ctx)); |
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344 } |
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345 } |
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346 |
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347 // adapter |
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348 try { |
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349 node = domConverters.match(node, ctx); |
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350 continue; |
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351 } catch (e) { |
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352 if (e != NotFound) { |
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353 throw e; |
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354 } |
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355 } |
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356 |
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357 // fallback |
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358 return self._document.createTextNode(node.toString()); |
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359 } |
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360 // mozilla warnings aren't too bright |
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361 return undefined; |
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362 }, |
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363 |
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364 /** @id MochiKit.DOM.isChildNode */ |
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365 isChildNode: function (node, maybeparent) { |
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366 var self = MochiKit.DOM; |
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367 if (typeof(node) == "string") { |
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368 node = self.getElement(node); |
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369 } |
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370 if (typeof(maybeparent) == "string") { |
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371 maybeparent = self.getElement(maybeparent); |
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372 } |
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373 if (node === maybeparent) { |
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374 return true; |
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375 } |
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376 while (node && node.tagName.toUpperCase() != "BODY") { |
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377 node = node.parentNode; |
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378 if (node === maybeparent) { |
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379 return true; |
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380 } |
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381 } |
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382 return false; |
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383 }, |
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384 |
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385 /** @id MochiKit.DOM.setNodeAttribute */ |
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386 setNodeAttribute: function (node, attr, value) { |
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387 var o = {}; |
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388 o[attr] = value; |
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389 try { |
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390 return MochiKit.DOM.updateNodeAttributes(node, o); |
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391 } catch (e) { |
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392 // pass |
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393 } |
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394 return null; |
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395 }, |
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396 |
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397 /** @id MochiKit.DOM.getNodeAttribute */ |
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398 getNodeAttribute: function (node, attr) { |
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399 var self = MochiKit.DOM; |
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400 var rename = self.attributeArray.renames[attr]; |
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401 node = self.getElement(node); |
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402 try { |
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403 if (rename) { |
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404 return node[rename]; |
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405 } |
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406 return node.getAttribute(attr); |
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407 } catch (e) { |
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408 // pass |
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409 } |
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410 return null; |
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411 }, |
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412 |
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413 /** @id MochiKit.DOM.removeNodeAttribute */ |
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414 removeNodeAttribute: function (node, attr) { |
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415 var self = MochiKit.DOM; |
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416 var rename = self.attributeArray.renames[attr]; |
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417 node = self.getElement(node); |
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418 try { |
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419 if (rename) { |
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420 return node[rename]; |
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421 } |
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422 return node.removeAttribute(attr); |
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423 } catch (e) { |
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424 // pass |
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425 } |
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426 return null; |
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427 }, |
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428 |
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429 /** @id MochiKit.DOM.updateNodeAttributes */ |
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430 updateNodeAttributes: function (node, attrs) { |
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431 var elem = node; |
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432 var self = MochiKit.DOM; |
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433 if (typeof(node) == 'string') { |
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434 elem = self.getElement(node); |
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435 } |
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436 if (attrs) { |
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437 var updatetree = MochiKit.Base.updatetree; |
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438 if (self.attributeArray.compliant) { |
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439 // not IE, good. |
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440 for (var k in attrs) { |
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441 var v = attrs[k]; |
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442 if (typeof(v) == 'object' && typeof(elem[k]) == 'object') { |
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443 if (k == "style" && MochiKit.Style) { |
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444 MochiKit.Style.setStyle(elem, v); |
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445 } else { |
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446 updatetree(elem[k], v); |
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447 } |
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448 } else if (k.substring(0, 2) == "on") { |
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449 if (typeof(v) == "string") { |
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450 v = new Function(v); |
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451 } |
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452 elem[k] = v; |
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453 } else { |
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454 elem.setAttribute(k, v); |
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455 } |
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456 } |
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457 } else { |
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458 // IE is insane in the membrane |
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459 var renames = self.attributeArray.renames; |
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460 for (var k in attrs) { |
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461 v = attrs[k]; |
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462 var renamed = renames[k]; |
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463 if (k == "style" && typeof(v) == "string") { |
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464 elem.style.cssText = v; |
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465 } else if (typeof(renamed) == "string") { |
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466 elem[renamed] = v; |
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467 } else if (typeof(elem[k]) == 'object' |
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468 && typeof(v) == 'object') { |
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469 if (k == "style" && MochiKit.Style) { |
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470 MochiKit.Style.setStyle(elem, v); |
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471 } else { |
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472 updatetree(elem[k], v); |
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473 } |
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474 } else if (k.substring(0, 2) == "on") { |
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475 if (typeof(v) == "string") { |
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476 v = new Function(v); |
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477 } |
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478 elem[k] = v; |
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479 } else { |
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480 elem.setAttribute(k, v); |
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481 } |
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482 } |
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483 } |
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484 } |
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485 return elem; |
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486 }, |
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487 |
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488 /** @id MochiKit.DOM.appendChildNodes */ |
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489 appendChildNodes: function (node/*, nodes...*/) { |
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490 var elem = node; |
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491 var self = MochiKit.DOM; |
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492 if (typeof(node) == 'string') { |
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493 elem = self.getElement(node); |
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494 } |
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495 var nodeStack = [ |
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496 self.coerceToDOM( |
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497 MochiKit.Base.extend(null, arguments, 1), |
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498 elem |
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499 ) |
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500 ]; |
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501 var concat = MochiKit.Base.concat; |
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502 while (nodeStack.length) { |
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503 var n = nodeStack.shift(); |
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504 if (typeof(n) == 'undefined' || n === null) { |
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505 // pass |
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506 } else if (typeof(n.nodeType) == 'number') { |
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507 elem.appendChild(n); |
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508 } else { |
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509 nodeStack = concat(n, nodeStack); |
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510 } |
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511 } |
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512 return elem; |
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513 }, |
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514 |
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515 |
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516 /** @id MochiKit.DOM.insertSiblingNodesBefore */ |
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517 insertSiblingNodesBefore: function (node/*, nodes...*/) { |
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518 var elem = node; |
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519 var self = MochiKit.DOM; |
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520 if (typeof(node) == 'string') { |
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521 elem = self.getElement(node); |
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522 } |
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523 var nodeStack = [ |
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524 self.coerceToDOM( |
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525 MochiKit.Base.extend(null, arguments, 1), |
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526 elem |
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527 ) |
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528 ]; |
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529 var parentnode = elem.parentNode; |
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530 var concat = MochiKit.Base.concat; |
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531 while (nodeStack.length) { |
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532 var n = nodeStack.shift(); |
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533 if (typeof(n) == 'undefined' || n === null) { |
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534 // pass |
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535 } else if (typeof(n.nodeType) == 'number') { |
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536 parentnode.insertBefore(n, elem); |
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537 } else { |
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538 nodeStack = concat(n, nodeStack); |
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539 } |
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540 } |
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541 return parentnode; |
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542 }, |
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543 |
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544 /** @id MochiKit.DOM.insertSiblingNodesAfter */ |
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545 insertSiblingNodesAfter: function (node/*, nodes...*/) { |
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546 var elem = node; |
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547 var self = MochiKit.DOM; |
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548 |
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549 if (typeof(node) == 'string') { |
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550 elem = self.getElement(node); |
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551 } |
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552 var nodeStack = [ |
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553 self.coerceToDOM( |
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554 MochiKit.Base.extend(null, arguments, 1), |
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555 elem |
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556 ) |
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557 ]; |
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558 |
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559 if (elem.nextSibling) { |
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560 return self.insertSiblingNodesBefore(elem.nextSibling, nodeStack); |
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561 } |
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562 else { |
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563 return self.appendChildNodes(elem.parentNode, nodeStack); |
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564 } |
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565 }, |
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566 |
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567 /** @id MochiKit.DOM.replaceChildNodes */ |
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568 replaceChildNodes: function (node/*, nodes...*/) { |
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569 var elem = node; |
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570 var self = MochiKit.DOM; |
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571 if (typeof(node) == 'string') { |
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572 elem = self.getElement(node); |
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573 arguments[0] = elem; |
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574 } |
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575 var child; |
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576 while ((child = elem.firstChild)) { |
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577 elem.removeChild(child); |
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578 } |
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579 if (arguments.length < 2) { |
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580 return elem; |
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581 } else { |
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582 return self.appendChildNodes.apply(this, arguments); |
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583 } |
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584 }, |
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585 |
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586 /** @id MochiKit.DOM.createDOM */ |
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587 createDOM: function (name, attrs/*, nodes... */) { |
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588 var elem; |
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589 var self = MochiKit.DOM; |
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590 var m = MochiKit.Base; |
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591 if (typeof(attrs) == "string" || typeof(attrs) == "number") { |
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592 var args = m.extend([name, null], arguments, 1); |
|
593 return arguments.callee.apply(this, args); |
|
594 } |
|
595 if (typeof(name) == 'string') { |
|
596 // Internet Explorer is dumb |
|
597 var xhtml = self._xhtml; |
|
598 if (attrs && !self.attributeArray.compliant) { |
|
599 // http://msdn.microsoft.com/workshop/author/dhtml/reference/properties/name_2.asp |
|
600 var contents = ""; |
|
601 if ('name' in attrs) { |
|
602 contents += ' name="' + self.escapeHTML(attrs.name) + '"'; |
|
603 } |
|
604 if (name == 'input' && 'type' in attrs) { |
|
605 contents += ' type="' + self.escapeHTML(attrs.type) + '"'; |
|
606 } |
|
607 if (contents) { |
|
608 name = "<" + name + contents + ">"; |
|
609 xhtml = false; |
|
610 } |
|
611 } |
|
612 var d = self._document; |
|
613 if (xhtml && d === document) { |
|
614 elem = d.createElementNS("http://www.w3.org/1999/xhtml", name); |
|
615 } else { |
|
616 elem = d.createElement(name); |
|
617 } |
|
618 } else { |
|
619 elem = name; |
|
620 } |
|
621 if (attrs) { |
|
622 self.updateNodeAttributes(elem, attrs); |
|
623 } |
|
624 if (arguments.length <= 2) { |
|
625 return elem; |
|
626 } else { |
|
627 var args = m.extend([elem], arguments, 2); |
|
628 return self.appendChildNodes.apply(this, args); |
|
629 } |
|
630 }, |
|
631 |
|
632 /** @id MochiKit.DOM.createDOMFunc */ |
|
633 createDOMFunc: function (/* tag, attrs, *nodes */) { |
|
634 var m = MochiKit.Base; |
|
635 return m.partial.apply( |
|
636 this, |
|
637 m.extend([MochiKit.DOM.createDOM], arguments) |
|
638 ); |
|
639 }, |
|
640 |
|
641 /** @id MochiKit.DOM.removeElement */ |
|
642 removeElement: function (elem) { |
|
643 var e = MochiKit.DOM.getElement(elem); |
|
644 e.parentNode.removeChild(e); |
|
645 return e; |
|
646 }, |
|
647 |
|
648 /** @id MochiKit.DOM.swapDOM */ |
|
649 swapDOM: function (dest, src) { |
|
650 var self = MochiKit.DOM; |
|
651 dest = self.getElement(dest); |
|
652 var parent = dest.parentNode; |
|
653 if (src) { |
|
654 src = self.getElement(src); |
|
655 parent.replaceChild(src, dest); |
|
656 } else { |
|
657 parent.removeChild(dest); |
|
658 } |
|
659 return src; |
|
660 }, |
|
661 |
|
662 /** @id MochiKit.DOM.getElement */ |
|
663 getElement: function (id) { |
|
664 var self = MochiKit.DOM; |
|
665 if (arguments.length == 1) { |
|
666 return ((typeof(id) == "string") ? |
|
667 self._document.getElementById(id) : id); |
|
668 } else { |
|
669 return MochiKit.Base.map(self.getElement, arguments); |
|
670 } |
|
671 }, |
|
672 |
|
673 /** @id MochiKit.DOM.getElementsByTagAndClassName */ |
|
674 getElementsByTagAndClassName: function (tagName, className, |
|
675 /* optional */parent) { |
|
676 var self = MochiKit.DOM; |
|
677 if (typeof(tagName) == 'undefined' || tagName === null) { |
|
678 tagName = '*'; |
|
679 } |
|
680 if (typeof(parent) == 'undefined' || parent === null) { |
|
681 parent = self._document; |
|
682 } |
|
683 parent = self.getElement(parent); |
|
684 var children = (parent.getElementsByTagName(tagName) |
|
685 || self._document.all); |
|
686 if (typeof(className) == 'undefined' || className === null) { |
|
687 return MochiKit.Base.extend(null, children); |
|
688 } |
|
689 |
|
690 var elements = []; |
|
691 for (var i = 0; i < children.length; i++) { |
|
692 var child = children[i]; |
|
693 var cls = child.className; |
|
694 if (!cls) { |
|
695 continue; |
|
696 } |
|
697 var classNames = cls.split(' '); |
|
698 for (var j = 0; j < classNames.length; j++) { |
|
699 if (classNames[j] == className) { |
|
700 elements.push(child); |
|
701 break; |
|
702 } |
|
703 } |
|
704 } |
|
705 |
|
706 return elements; |
|
707 }, |
|
708 |
|
709 _newCallStack: function (path, once) { |
|
710 var rval = function () { |
|
711 var callStack = arguments.callee.callStack; |
|
712 for (var i = 0; i < callStack.length; i++) { |
|
713 if (callStack[i].apply(this, arguments) === false) { |
|
714 break; |
|
715 } |
|
716 } |
|
717 if (once) { |
|
718 try { |
|
719 this[path] = null; |
|
720 } catch (e) { |
|
721 // pass |
|
722 } |
|
723 } |
|
724 }; |
|
725 rval.callStack = []; |
|
726 return rval; |
|
727 }, |
|
728 |
|
729 /** @id MochiKit.DOM.addToCallStack */ |
|
730 addToCallStack: function (target, path, func, once) { |
|
731 var self = MochiKit.DOM; |
|
732 var existing = target[path]; |
|
733 var regfunc = existing; |
|
734 if (!(typeof(existing) == 'function' |
|
735 && typeof(existing.callStack) == "object" |
|
736 && existing.callStack !== null)) { |
|
737 regfunc = self._newCallStack(path, once); |
|
738 if (typeof(existing) == 'function') { |
|
739 regfunc.callStack.push(existing); |
|
740 } |
|
741 target[path] = regfunc; |
|
742 } |
|
743 regfunc.callStack.push(func); |
|
744 }, |
|
745 |
|
746 /** @id MochiKit.DOM.addLoadEvent */ |
|
747 addLoadEvent: function (func) { |
|
748 var self = MochiKit.DOM; |
|
749 self.addToCallStack(self._window, "onload", func, true); |
|
750 |
|
751 }, |
|
752 |
|
753 /** @id MochiKit.DOM.focusOnLoad */ |
|
754 focusOnLoad: function (element) { |
|
755 var self = MochiKit.DOM; |
|
756 self.addLoadEvent(function () { |
|
757 element = self.getElement(element); |
|
758 if (element) { |
|
759 element.focus(); |
|
760 } |
|
761 }); |
|
762 }, |
|
763 |
|
764 /** @id MochiKit.DOM.setElementClass */ |
|
765 setElementClass: function (element, className) { |
|
766 var self = MochiKit.DOM; |
|
767 var obj = self.getElement(element); |
|
768 if (self.attributeArray.compliant) { |
|
769 obj.setAttribute("class", className); |
|
770 } else { |
|
771 obj.setAttribute("className", className); |
|
772 } |
|
773 }, |
|
774 |
|
775 /** @id MochiKit.DOM.toggleElementClass */ |
|
776 toggleElementClass: function (className/*, element... */) { |
|
777 var self = MochiKit.DOM; |
|
778 for (var i = 1; i < arguments.length; i++) { |
|
779 var obj = self.getElement(arguments[i]); |
|
780 if (!self.addElementClass(obj, className)) { |
|
781 self.removeElementClass(obj, className); |
|
782 } |
|
783 } |
|
784 }, |
|
785 |
|
786 /** @id MochiKit.DOM.addElementClass */ |
|
787 addElementClass: function (element, className) { |
|
788 var self = MochiKit.DOM; |
|
789 var obj = self.getElement(element); |
|
790 var cls = obj.className; |
|
791 // trivial case, no className yet |
|
792 if (cls == undefined || cls.length === 0) { |
|
793 self.setElementClass(obj, className); |
|
794 return true; |
|
795 } |
|
796 // the other trivial case, already set as the only class |
|
797 if (cls == className) { |
|
798 return false; |
|
799 } |
|
800 var classes = cls.split(" "); |
|
801 for (var i = 0; i < classes.length; i++) { |
|
802 // already present |
|
803 if (classes[i] == className) { |
|
804 return false; |
|
805 } |
|
806 } |
|
807 // append class |
|
808 self.setElementClass(obj, cls + " " + className); |
|
809 return true; |
|
810 }, |
|
811 |
|
812 /** @id MochiKit.DOM.removeElementClass */ |
|
813 removeElementClass: function (element, className) { |
|
814 var self = MochiKit.DOM; |
|
815 var obj = self.getElement(element); |
|
816 var cls = obj.className; |
|
817 // trivial case, no className yet |
|
818 if (cls == undefined || cls.length === 0) { |
|
819 return false; |
|
820 } |
|
821 // other trivial case, set only to className |
|
822 if (cls == className) { |
|
823 self.setElementClass(obj, ""); |
|
824 return true; |
|
825 } |
|
826 var classes = cls.split(" "); |
|
827 for (var i = 0; i < classes.length; i++) { |
|
828 // already present |
|
829 if (classes[i] == className) { |
|
830 // only check sane case where the class is used once |
|
831 classes.splice(i, 1); |
|
832 self.setElementClass(obj, classes.join(" ")); |
|
833 return true; |
|
834 } |
|
835 } |
|
836 // not found |
|
837 return false; |
|
838 }, |
|
839 |
|
840 /** @id MochiKit.DOM.swapElementClass */ |
|
841 swapElementClass: function (element, fromClass, toClass) { |
|
842 var obj = MochiKit.DOM.getElement(element); |
|
843 var res = MochiKit.DOM.removeElementClass(obj, fromClass); |
|
844 if (res) { |
|
845 MochiKit.DOM.addElementClass(obj, toClass); |
|
846 } |
|
847 return res; |
|
848 }, |
|
849 |
|
850 /** @id MochiKit.DOM.hasElementClass */ |
|
851 hasElementClass: function (element, className/*...*/) { |
|
852 var obj = MochiKit.DOM.getElement(element); |
|
853 var cls = obj.className; |
|
854 if (!cls) { |
|
855 return false; |
|
856 } |
|
857 var classes = cls.split(" "); |
|
858 for (var i = 1; i < arguments.length; i++) { |
|
859 var good = false; |
|
860 for (var j = 0; j < classes.length; j++) { |
|
861 if (classes[j] == arguments[i]) { |
|
862 good = true; |
|
863 break; |
|
864 } |
|
865 } |
|
866 if (!good) { |
|
867 return false; |
|
868 } |
|
869 } |
|
870 return true; |
|
871 }, |
|
872 |
|
873 /** @id MochiKit.DOM.escapeHTML */ |
|
874 escapeHTML: function (s) { |
|
875 return s.replace(/&/g, "&" |
|
876 ).replace(/"/g, """ |
|
877 ).replace(/</g, "<" |
|
878 ).replace(/>/g, ">"); |
|
879 }, |
|
880 |
|
881 /** @id MochiKit.DOM.toHTML */ |
|
882 toHTML: function (dom) { |
|
883 return MochiKit.DOM.emitHTML(dom).join(""); |
|
884 }, |
|
885 |
|
886 /** @id MochiKit.DOM.emitHTML */ |
|
887 emitHTML: function (dom, /* optional */lst) { |
|
888 if (typeof(lst) == 'undefined' || lst === null) { |
|
889 lst = []; |
|
890 } |
|
891 // queue is the call stack, we're doing this non-recursively |
|
892 var queue = [dom]; |
|
893 var self = MochiKit.DOM; |
|
894 var escapeHTML = self.escapeHTML; |
|
895 var attributeArray = self.attributeArray; |
|
896 while (queue.length) { |
|
897 dom = queue.pop(); |
|
898 if (typeof(dom) == 'string') { |
|
899 lst.push(dom); |
|
900 } else if (dom.nodeType == 1) { |
|
901 // we're not using higher order stuff here |
|
902 // because safari has heisenbugs.. argh. |
|
903 // |
|
904 // I think it might have something to do with |
|
905 // garbage collection and function calls. |
|
906 lst.push('<' + dom.tagName.toLowerCase()); |
|
907 var attributes = []; |
|
908 var domAttr = attributeArray(dom); |
|
909 for (var i = 0; i < domAttr.length; i++) { |
|
910 var a = domAttr[i]; |
|
911 attributes.push([ |
|
912 " ", |
|
913 a.name, |
|
914 '="', |
|
915 escapeHTML(a.value), |
|
916 '"' |
|
917 ]); |
|
918 } |
|
919 attributes.sort(); |
|
920 for (i = 0; i < attributes.length; i++) { |
|
921 var attrs = attributes[i]; |
|
922 for (var j = 0; j < attrs.length; j++) { |
|
923 lst.push(attrs[j]); |
|
924 } |
|
925 } |
|
926 if (dom.hasChildNodes()) { |
|
927 lst.push(">"); |
|
928 // queue is the FILO call stack, so we put the close tag |
|
929 // on first |
|
930 queue.push("</" + dom.tagName.toLowerCase() + ">"); |
|
931 var cnodes = dom.childNodes; |
|
932 for (i = cnodes.length - 1; i >= 0; i--) { |
|
933 queue.push(cnodes[i]); |
|
934 } |
|
935 } else { |
|
936 lst.push('/>'); |
|
937 } |
|
938 } else if (dom.nodeType == 3) { |
|
939 lst.push(escapeHTML(dom.nodeValue)); |
|
940 } |
|
941 } |
|
942 return lst; |
|
943 }, |
|
944 |
|
945 /** @id MochiKit.DOM.scrapeText */ |
|
946 scrapeText: function (node, /* optional */asArray) { |
|
947 var rval = []; |
|
948 (function (node) { |
|
949 var cn = node.childNodes; |
|
950 if (cn) { |
|
951 for (var i = 0; i < cn.length; i++) { |
|
952 arguments.callee.call(this, cn[i]); |
|
953 } |
|
954 } |
|
955 var nodeValue = node.nodeValue; |
|
956 if (typeof(nodeValue) == 'string') { |
|
957 rval.push(nodeValue); |
|
958 } |
|
959 })(MochiKit.DOM.getElement(node)); |
|
960 if (asArray) { |
|
961 return rval; |
|
962 } else { |
|
963 return rval.join(""); |
|
964 } |
|
965 }, |
|
966 |
|
967 /** @id MochiKit.DOM.removeEmptyTextNodes */ |
|
968 removeEmptyTextNodes: function (element) { |
|
969 element = MochiKit.DOM.getElement(element); |
|
970 for (var i = 0; i < element.childNodes.length; i++) { |
|
971 var node = element.childNodes[i]; |
|
972 if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) { |
|
973 node.parentNode.removeChild(node); |
|
974 } |
|
975 } |
|
976 }, |
|
977 |
|
978 /** @id MochiKit.DOM.makeClipping */ |
|
979 makeClipping: function (element) { |
|
980 element = MochiKit.DOM.getElement(element); |
|
981 var oldOverflow = element.style.overflow; |
|
982 if ((MochiKit.Style.getStyle(element, 'overflow') || 'visible') != 'hidden') { |
|
983 element.style.overflow = 'hidden'; |
|
984 } |
|
985 return oldOverflow; |
|
986 }, |
|
987 |
|
988 /** @id MochiKit.DOM.undoClipping */ |
|
989 undoClipping: function (element, overflow) { |
|
990 element = MochiKit.DOM.getElement(element); |
|
991 if (!overflow) { |
|
992 return; |
|
993 } |
|
994 element.style.overflow = overflow; |
|
995 }, |
|
996 |
|
997 /** @id MochiKit.DOM.makePositioned */ |
|
998 makePositioned: function (element) { |
|
999 element = MochiKit.DOM.getElement(element); |
|
1000 var pos = MochiKit.Style.getStyle(element, 'position'); |
|
1001 if (pos == 'static' || !pos) { |
|
1002 element.style.position = 'relative'; |
|
1003 // Opera returns the offset relative to the positioning context, |
|
1004 // when an element is position relative but top and left have |
|
1005 // not been defined |
|
1006 if (/Opera/.test(navigator.userAgent)) { |
|
1007 element.style.top = 0; |
|
1008 element.style.left = 0; |
|
1009 } |
|
1010 } |
|
1011 }, |
|
1012 |
|
1013 /** @id MochiKit.DOM.undoPositioned */ |
|
1014 undoPositioned: function (element) { |
|
1015 element = MochiKit.DOM.getElement(element); |
|
1016 if (element.style.position == 'relative') { |
|
1017 element.style.position = element.style.top = element.style.left = element.style.bottom = element.style.right = ''; |
|
1018 } |
|
1019 }, |
|
1020 |
|
1021 /** @id MochiKit.DOM.getFirstElementByTagAndClassName */ |
|
1022 getFirstElementByTagAndClassName: function (tagName, className, |
|
1023 /* optional */parent) { |
|
1024 var self = MochiKit.DOM; |
|
1025 if (typeof(tagName) == 'undefined' || tagName === null) { |
|
1026 tagName = '*'; |
|
1027 } |
|
1028 if (typeof(parent) == 'undefined' || parent === null) { |
|
1029 parent = self._document; |
|
1030 } |
|
1031 parent = self.getElement(parent); |
|
1032 var children = (parent.getElementsByTagName(tagName) |
|
1033 || self._document.all); |
|
1034 if (typeof(className) == 'undefined' || className === null) { |
|
1035 return children[0]; |
|
1036 } |
|
1037 |
|
1038 for (var i = 0; i < children.length; i++) { |
|
1039 var child = children[i]; |
|
1040 var classNames = child.className.split(' '); |
|
1041 for (var j = 0; j < classNames.length; j++) { |
|
1042 if (classNames[j] == className) { |
|
1043 return child; |
|
1044 } |
|
1045 } |
|
1046 } |
|
1047 }, |
|
1048 |
|
1049 /** @id MochiKit.DOM.getFirstParentByTagAndClassName */ |
|
1050 getFirstParentByTagAndClassName: function (elem, tagName, className) { |
|
1051 var self = MochiKit.DOM; |
|
1052 elem = self.getElement(elem); |
|
1053 if (typeof(tagName) == 'undefined' || tagName === null) { |
|
1054 tagName = '*'; |
|
1055 } else { |
|
1056 tagName = tagName.toUpperCase(); |
|
1057 } |
|
1058 if (typeof(className) == 'undefined' || className === null) { |
|
1059 className = null; |
|
1060 } |
|
1061 |
|
1062 var classList = ''; |
|
1063 var curTagName = ''; |
|
1064 while (elem && elem.tagName) { |
|
1065 elem = elem.parentNode; |
|
1066 if (tagName == '*' && className === null) { |
|
1067 return elem; |
|
1068 } |
|
1069 classList = elem.className.split(' '); |
|
1070 curTagName = elem.tagName.toUpperCase(); |
|
1071 if (className === null && tagName == curTagName) { |
|
1072 return elem; |
|
1073 } else if (className !== null) { |
|
1074 for (var i = 0; i < classList.length; i++) { |
|
1075 if (tagName == '*' && classList[i] == className) { |
|
1076 return elem; |
|
1077 } else if (tagName == curTagName && classList[i] == className) { |
|
1078 return elem; |
|
1079 } |
|
1080 } |
|
1081 } |
|
1082 } |
|
1083 return elem; |
|
1084 }, |
|
1085 |
|
1086 /** @id MochiKit.DOM.isParent */ |
|
1087 isParent: function (child, element) { |
|
1088 if (!child.parentNode || child == element) { |
|
1089 return false; |
|
1090 } |
|
1091 |
|
1092 if (child.parentNode == element) { |
|
1093 return true; |
|
1094 } |
|
1095 |
|
1096 return MochiKit.DOM.isParent(child.parentNode, element); |
|
1097 }, |
|
1098 |
|
1099 __new__: function (win) { |
|
1100 |
|
1101 var m = MochiKit.Base; |
|
1102 if (typeof(document) != "undefined") { |
|
1103 this._document = document; |
|
1104 var kXULNSURI = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"; |
|
1105 this._xhtml = (document.documentElement && |
|
1106 document.createElementNS && |
|
1107 document.documentElement.namespaceURI === kXULNSURI); |
|
1108 } else if (MochiKit.MockDOM) { |
|
1109 this._document = MochiKit.MockDOM.document; |
|
1110 } |
|
1111 this._window = win; |
|
1112 |
|
1113 this.domConverters = new m.AdapterRegistry(); |
|
1114 |
|
1115 var __tmpElement = this._document.createElement("span"); |
|
1116 var attributeArray; |
|
1117 if (__tmpElement && __tmpElement.attributes && |
|
1118 __tmpElement.attributes.length > 0) { |
|
1119 // for braindead browsers (IE) that insert extra junk |
|
1120 var filter = m.filter; |
|
1121 attributeArray = function (node) { |
|
1122 return filter(attributeArray.ignoreAttrFilter, node.attributes); |
|
1123 }; |
|
1124 attributeArray.ignoreAttr = {}; |
|
1125 var attrs = __tmpElement.attributes; |
|
1126 var ignoreAttr = attributeArray.ignoreAttr; |
|
1127 for (var i = 0; i < attrs.length; i++) { |
|
1128 var a = attrs[i]; |
|
1129 ignoreAttr[a.name] = a.value; |
|
1130 } |
|
1131 attributeArray.ignoreAttrFilter = function (a) { |
|
1132 return (attributeArray.ignoreAttr[a.name] != a.value); |
|
1133 }; |
|
1134 attributeArray.compliant = false; |
|
1135 attributeArray.renames = { |
|
1136 "class": "className", |
|
1137 "checked": "defaultChecked", |
|
1138 "usemap": "useMap", |
|
1139 "for": "htmlFor", |
|
1140 "readonly": "readOnly", |
|
1141 "colspan": "colSpan", |
|
1142 "bgcolor": "bgColor", |
|
1143 "cellspacing": "cellSpacing", |
|
1144 "cellpadding": "cellPadding" |
|
1145 }; |
|
1146 } else { |
|
1147 attributeArray = function (node) { |
|
1148 /*** |
|
1149 |
|
1150 Return an array of attributes for a given node, |
|
1151 filtering out attributes that don't belong for |
|
1152 that are inserted by "Certain Browsers". |
|
1153 |
|
1154 ***/ |
|
1155 return node.attributes; |
|
1156 }; |
|
1157 attributeArray.compliant = true; |
|
1158 attributeArray.renames = {}; |
|
1159 } |
|
1160 this.attributeArray = attributeArray; |
|
1161 |
|
1162 // FIXME: this really belongs in Base, and could probably be cleaner |
|
1163 var _deprecated = function(fromModule, arr) { |
|
1164 var modules = arr[1].split('.'); |
|
1165 var str = ''; |
|
1166 var obj = {}; |
|
1167 |
|
1168 str += 'if (!MochiKit.' + modules[1] + ') { throw new Error("'; |
|
1169 str += 'This function has been deprecated and depends on MochiKit.'; |
|
1170 str += modules[1] + '.");}'; |
|
1171 str += 'return MochiKit.' + modules[1] + '.' + arr[0]; |
|
1172 str += '.apply(this, arguments);'; |
|
1173 |
|
1174 obj[modules[2]] = new Function(str); |
|
1175 MochiKit.Base.update(MochiKit[fromModule], obj); |
|
1176 } |
|
1177 for (var i; i < MochiKit.DOM.DEPRECATED.length; i++) { |
|
1178 _deprecated('DOM', MochiKit.DOM.DEPRECATED[i]); |
|
1179 } |
|
1180 |
|
1181 // shorthand for createDOM syntax |
|
1182 var createDOMFunc = this.createDOMFunc; |
|
1183 /** @id MochiKit.DOM.UL */ |
|
1184 this.UL = createDOMFunc("ul"); |
|
1185 /** @id MochiKit.DOM.OL */ |
|
1186 this.OL = createDOMFunc("ol"); |
|
1187 /** @id MochiKit.DOM.LI */ |
|
1188 this.LI = createDOMFunc("li"); |
|
1189 /** @id MochiKit.DOM.TD */ |
|
1190 this.TD = createDOMFunc("td"); |
|
1191 /** @id MochiKit.DOM.TR */ |
|
1192 this.TR = createDOMFunc("tr"); |
|
1193 /** @id MochiKit.DOM.TBODY */ |
|
1194 this.TBODY = createDOMFunc("tbody"); |
|
1195 /** @id MochiKit.DOM.THEAD */ |
|
1196 this.THEAD = createDOMFunc("thead"); |
|
1197 /** @id MochiKit.DOM.TFOOT */ |
|
1198 this.TFOOT = createDOMFunc("tfoot"); |
|
1199 /** @id MochiKit.DOM.TABLE */ |
|
1200 this.TABLE = createDOMFunc("table"); |
|
1201 /** @id MochiKit.DOM.TH */ |
|
1202 this.TH = createDOMFunc("th"); |
|
1203 /** @id MochiKit.DOM.INPUT */ |
|
1204 this.INPUT = createDOMFunc("input"); |
|
1205 /** @id MochiKit.DOM.SPAN */ |
|
1206 this.SPAN = createDOMFunc("span"); |
|
1207 /** @id MochiKit.DOM.A */ |
|
1208 this.A = createDOMFunc("a"); |
|
1209 /** @id MochiKit.DOM.DIV */ |
|
1210 this.DIV = createDOMFunc("div"); |
|
1211 /** @id MochiKit.DOM.IMG */ |
|
1212 this.IMG = createDOMFunc("img"); |
|
1213 /** @id MochiKit.DOM.BUTTON */ |
|
1214 this.BUTTON = createDOMFunc("button"); |
|
1215 /** @id MochiKit.DOM.TT */ |
|
1216 this.TT = createDOMFunc("tt"); |
|
1217 /** @id MochiKit.DOM.PRE */ |
|
1218 this.PRE = createDOMFunc("pre"); |
|
1219 /** @id MochiKit.DOM.H1 */ |
|
1220 this.H1 = createDOMFunc("h1"); |
|
1221 /** @id MochiKit.DOM.H2 */ |
|
1222 this.H2 = createDOMFunc("h2"); |
|
1223 /** @id MochiKit.DOM.H3 */ |
|
1224 this.H3 = createDOMFunc("h3"); |
|
1225 /** @id MochiKit.DOM.BR */ |
|
1226 this.BR = createDOMFunc("br"); |
|
1227 /** @id MochiKit.DOM.HR */ |
|
1228 this.HR = createDOMFunc("hr"); |
|
1229 /** @id MochiKit.DOM.LABEL */ |
|
1230 this.LABEL = createDOMFunc("label"); |
|
1231 /** @id MochiKit.DOM.TEXTAREA */ |
|
1232 this.TEXTAREA = createDOMFunc("textarea"); |
|
1233 /** @id MochiKit.DOM.FORM */ |
|
1234 this.FORM = createDOMFunc("form"); |
|
1235 /** @id MochiKit.DOM.P */ |
|
1236 this.P = createDOMFunc("p"); |
|
1237 /** @id MochiKit.DOM.SELECT */ |
|
1238 this.SELECT = createDOMFunc("select"); |
|
1239 /** @id MochiKit.DOM.OPTION */ |
|
1240 this.OPTION = createDOMFunc("option"); |
|
1241 /** @id MochiKit.DOM.OPTGROUP */ |
|
1242 this.OPTGROUP = createDOMFunc("optgroup"); |
|
1243 /** @id MochiKit.DOM.LEGEND */ |
|
1244 this.LEGEND = createDOMFunc("legend"); |
|
1245 /** @id MochiKit.DOM.FIELDSET */ |
|
1246 this.FIELDSET = createDOMFunc("fieldset"); |
|
1247 /** @id MochiKit.DOM.STRONG */ |
|
1248 this.STRONG = createDOMFunc("strong"); |
|
1249 /** @id MochiKit.DOM.CANVAS */ |
|
1250 this.CANVAS = createDOMFunc("canvas"); |
|
1251 |
|
1252 /** @id MochiKit.DOM.$ */ |
|
1253 this.$ = this.getElement; |
|
1254 |
|
1255 this.EXPORT_TAGS = { |
|
1256 ":common": this.EXPORT, |
|
1257 ":all": m.concat(this.EXPORT, this.EXPORT_OK) |
|
1258 }; |
|
1259 |
|
1260 m.nameFunctions(this); |
|
1261 |
|
1262 } |
|
1263 }); |
|
1264 |
|
1265 |
|
1266 MochiKit.DOM.__new__(((typeof(window) == "undefined") ? this : window)); |
|
1267 |
|
1268 // |
|
1269 // XXX: Internet Explorer blows |
|
1270 // |
|
1271 if (MochiKit.__export__) { |
|
1272 withWindow = MochiKit.DOM.withWindow; |
|
1273 withDocument = MochiKit.DOM.withDocument; |
|
1274 } |
|
1275 |
|
1276 MochiKit.Base._exportSymbols(this, MochiKit.DOM); |