1 | /*
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2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net
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3 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben
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4 | *
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5 | * == BEGIN LICENSE ==
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6 | *
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7 | * Licensed under the terms of any of the following licenses at your
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8 | * choice:
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9 | *
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10 | * - GNU General Public License Version 2 or later (the "GPL")
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11 | * http://www.gnu.org/licenses/gpl.html
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12 | *
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13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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14 | * http://www.gnu.org/licenses/lgpl.html
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15 | *
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16 | * - Mozilla Public License Version 1.1 or later (the "MPL")
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17 | * http://www.mozilla.org/MPL/MPL-1.1.html
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18 | *
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19 | * == END LICENSE ==
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20 | *
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21 | * Advanced document processors.
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22 | */
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23 |
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24 | var FCKDocumentProcessor = new Object() ;
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25 | FCKDocumentProcessor._Items = new Array() ;
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26 |
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27 | FCKDocumentProcessor.AppendNew = function()
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28 | {
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29 | var oNewItem = new Object() ;
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30 | this._Items.push( oNewItem ) ;
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31 | return oNewItem ;
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32 | }
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33 |
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34 | FCKDocumentProcessor.Process = function( document )
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35 | {
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36 | var bIsDirty = FCK.IsDirty() ;
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37 | var oProcessor, i = 0 ;
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38 | while( ( oProcessor = this._Items[i++] ) )
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39 | oProcessor.ProcessDocument( document ) ;
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40 | if ( !bIsDirty )
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41 | FCK.ResetIsDirty() ;
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42 | }
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43 |
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44 | var FCKDocumentProcessor_CreateFakeImage = function( fakeClass, realElement )
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45 | {
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46 | var oImg = FCKTools.GetElementDocument( realElement ).createElement( 'IMG' ) ;
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47 | oImg.className = fakeClass ;
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48 | oImg.src = FCKConfig.BasePath + 'images/spacer.gif' ;
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49 | oImg.setAttribute( '_fckfakelement', 'true', 0 ) ;
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50 | oImg.setAttribute( '_fckrealelement', FCKTempBin.AddElement( realElement ), 0 ) ;
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51 | return oImg ;
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52 | }
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53 |
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54 | // Link Anchors
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55 | if ( FCKBrowserInfo.IsIE || FCKBrowserInfo.IsOpera )
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56 | {
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57 | var FCKAnchorsProcessor = FCKDocumentProcessor.AppendNew() ;
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58 | FCKAnchorsProcessor.ProcessDocument = function( document )
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59 | {
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60 | var aLinks = document.getElementsByTagName( 'A' ) ;
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61 |
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62 | var oLink ;
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63 | var i = aLinks.length - 1 ;
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64 | while ( i >= 0 && ( oLink = aLinks[i--] ) )
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65 | {
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66 | // If it is anchor. Doesn't matter if it's also a link (even better: we show that it's both a link and an anchor)
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67 | if ( oLink.name.length > 0 )
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68 | {
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69 | //if the anchor has some content then we just add a temporary class
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70 | if ( oLink.innerHTML !== '' )
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71 | {
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72 | if ( FCKBrowserInfo.IsIE )
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73 | oLink.className += ' FCK__AnchorC' ;
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74 | }
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75 | else
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76 | {
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77 | var oImg = FCKDocumentProcessor_CreateFakeImage( 'FCK__Anchor', oLink.cloneNode(true) ) ;
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78 | oImg.setAttribute( '_fckanchor', 'true', 0 ) ;
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79 |
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80 | oLink.parentNode.insertBefore( oImg, oLink ) ;
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81 | oLink.parentNode.removeChild( oLink ) ;
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82 | }
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83 | }
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84 | }
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85 | }
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86 | }
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87 |
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88 | // Page Breaks
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89 | var FCKPageBreaksProcessor = FCKDocumentProcessor.AppendNew() ;
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90 | FCKPageBreaksProcessor.ProcessDocument = function( document )
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91 | {
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92 | var aDIVs = document.getElementsByTagName( 'DIV' ) ;
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93 |
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94 | var eDIV ;
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95 | var i = aDIVs.length - 1 ;
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96 | while ( i >= 0 && ( eDIV = aDIVs[i--] ) )
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97 | {
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98 | if ( eDIV.style.pageBreakAfter == 'always' && eDIV.childNodes.length == 1 && eDIV.childNodes[0].style && eDIV.childNodes[0].style.display == 'none' )
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99 | {
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100 | var oFakeImage = FCKDocumentProcessor_CreateFakeImage( 'FCK__PageBreak', eDIV.cloneNode(true) ) ;
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101 |
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102 | eDIV.parentNode.insertBefore( oFakeImage, eDIV ) ;
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103 | eDIV.parentNode.removeChild( eDIV ) ;
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104 | }
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105 | }
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106 | /*
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107 | var aCenters = document.getElementsByTagName( 'CENTER' ) ;
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108 |
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109 | var oCenter ;
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110 | var i = aCenters.length - 1 ;
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111 | while ( i >= 0 && ( oCenter = aCenters[i--] ) )
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112 | {
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113 | if ( oCenter.style.pageBreakAfter == 'always' && oCenter.innerHTML.Trim().length == 0 )
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114 | {
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115 | var oFakeImage = FCKDocumentProcessor_CreateFakeImage( 'FCK__PageBreak', oCenter.cloneNode(true) ) ;
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116 |
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117 | oCenter.parentNode.insertBefore( oFakeImage, oCenter ) ;
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118 | oCenter.parentNode.removeChild( oCenter ) ;
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119 | }
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120 | }
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121 | */
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122 | }
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123 |
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124 | // EMBED and OBJECT tags.
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125 | var FCKEmbedAndObjectProcessor = (function()
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126 | {
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127 | var customProcessors = [] ;
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128 |
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129 | var processElement = function( el )
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130 | {
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131 | var clone = el.cloneNode( true ) ;
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132 | var replaceElement ;
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133 | var fakeImg = replaceElement = FCKDocumentProcessor_CreateFakeImage( 'FCK__UnknownObject', clone ) ;
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134 | FCKEmbedAndObjectProcessor.RefreshView( fakeImg, el ) ;
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135 |
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136 | for ( var i = 0 ; i < customProcessors.length ; i++ )
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137 | replaceElement = customProcessors[i]( el, replaceElement ) || replaceElement ;
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138 |
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139 | if ( replaceElement != fakeImg )
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140 | FCKTempBin.RemoveElement( fakeImg.getAttribute( '_fckrealelement' ) ) ;
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141 |
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142 | el.parentNode.replaceChild( replaceElement, el ) ;
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143 | }
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144 |
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145 | var processElementsByName = function( elementName, doc )
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146 | {
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147 | var aObjects = doc.getElementsByTagName( elementName );
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148 | for ( var i = aObjects.length - 1 ; i >= 0 ; i-- )
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149 | processElement( aObjects[i] ) ;
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150 | }
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151 |
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152 | var processObjectAndEmbed = function( doc )
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153 | {
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154 | processElementsByName( 'object', doc );
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155 | processElementsByName( 'embed', doc );
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156 | }
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157 |
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158 | return FCKTools.Merge( FCKDocumentProcessor.AppendNew(),
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159 | {
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160 | ProcessDocument : function( doc )
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161 | {
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162 | // Firefox 3 would sometimes throw an unknown exception while accessing EMBEDs and OBJECTs
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163 | // without the setTimeout().
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164 | if ( FCKBrowserInfo.IsGecko )
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165 | FCKTools.RunFunction( processObjectAndEmbed, this, [ doc ] ) ;
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166 | else
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167 | processObjectAndEmbed( doc ) ;
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168 | },
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169 |
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170 | RefreshView : function( placeHolder, original )
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171 | {
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172 | if ( original.getAttribute( 'width' ) > 0 )
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173 | placeHolder.style.width = FCKTools.ConvertHtmlSizeToStyle( original.getAttribute( 'width' ) ) ;
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174 |
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175 | if ( original.getAttribute( 'height' ) > 0 )
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176 | placeHolder.style.height = FCKTools.ConvertHtmlSizeToStyle( original.getAttribute( 'height' ) ) ;
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177 | },
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178 |
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179 | AddCustomHandler : function( func )
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180 | {
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181 | customProcessors.push( func ) ;
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182 | }
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183 | } ) ;
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184 | } )() ;
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185 |
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186 | FCK.GetRealElement = function( fakeElement )
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187 | {
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188 | var e = FCKTempBin.Elements[ fakeElement.getAttribute('_fckrealelement') ] ;
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189 |
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190 | if ( fakeElement.getAttribute('_fckflash') )
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191 | {
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192 | if ( fakeElement.style.width.length > 0 )
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193 | e.width = FCKTools.ConvertStyleSizeToHtml( fakeElement.style.width ) ;
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194 |
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195 | if ( fakeElement.style.height.length > 0 )
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196 | e.height = FCKTools.ConvertStyleSizeToHtml( fakeElement.style.height ) ;
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197 | }
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198 |
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199 | return e ;
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200 | }
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201 |
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202 | // HR Processor.
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203 | // This is a IE only (tricky) thing. We protect all HR tags before loading them
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204 | // (see FCK.ProtectTags). Here we put the HRs back.
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205 | if ( FCKBrowserInfo.IsIE )
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206 | {
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207 | FCKDocumentProcessor.AppendNew().ProcessDocument = function( document )
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208 | {
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209 | var aHRs = document.getElementsByTagName( 'HR' ) ;
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210 |
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211 | var eHR ;
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212 | var i = aHRs.length - 1 ;
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213 | while ( i >= 0 && ( eHR = aHRs[i--] ) )
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214 | {
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215 | // Create the replacement HR.
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216 | var newHR = document.createElement( 'hr' ) ;
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217 | newHR.mergeAttributes( eHR, true ) ;
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218 |
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219 | // We must insert the new one after it. insertBefore will not work in all cases.
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220 | FCKDomTools.InsertAfterNode( eHR, newHR ) ;
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221 |
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222 | eHR.parentNode.removeChild( eHR ) ;
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223 | }
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224 | }
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225 | }
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226 |
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227 | // INPUT:hidden Processor.
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228 | FCKDocumentProcessor.AppendNew().ProcessDocument = function( document )
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229 | {
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230 | var aInputs = document.getElementsByTagName( 'INPUT' ) ;
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231 |
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232 | var oInput ;
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233 | var i = aInputs.length - 1 ;
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234 | while ( i >= 0 && ( oInput = aInputs[i--] ) )
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235 | {
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236 | if ( oInput.type == 'hidden' )
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237 | {
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238 | var oImg = FCKDocumentProcessor_CreateFakeImage( 'FCK__InputHidden', oInput.cloneNode(true) ) ;
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239 | oImg.setAttribute( '_fckinputhidden', 'true', 0 ) ;
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240 |
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241 | oInput.parentNode.insertBefore( oImg, oInput ) ;
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242 | oInput.parentNode.removeChild( oInput ) ;
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243 | }
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244 | }
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245 | }
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246 |
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247 | // Flash handler.
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248 | FCKEmbedAndObjectProcessor.AddCustomHandler( function( el, fakeImg )
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249 | {
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250 | if ( ! ( el.nodeName.IEquals( 'embed' ) && ( el.type == 'application/x-shockwave-flash' || /\.swf($|#|\?)/i.test( el.src ) ) ) )
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251 | return ;
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252 | fakeImg.className = 'FCK__Flash' ;
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253 | fakeImg.setAttribute( '_fckflash', 'true', 0 );
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254 | } ) ;
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255 |
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256 | // Buggy <span class="Apple-style-span"> tags added by Safari.
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257 | if ( FCKBrowserInfo.IsSafari )
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258 | {
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259 | FCKDocumentProcessor.AppendNew().ProcessDocument = function( doc )
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260 | {
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261 | var spans = doc.getElementsByClassName ?
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262 | doc.getElementsByClassName( 'Apple-style-span' ) :
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263 | Array.prototype.filter.call(
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264 | doc.getElementsByTagName( 'span' ),
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265 | function( item ){ return item.className == 'Apple-style-span' ; }
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266 | ) ;
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267 | for ( var i = spans.length - 1 ; i >= 0 ; i-- )
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268 | FCKDomTools.RemoveNode( spans[i], true ) ;
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269 | }
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270 | }
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