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 | * Creation and initialization of the "FCK" object. This is the main
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22 | * object that represents an editor instance.
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23 | * (IE specific implementations)
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24 | */
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25 |
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26 | FCK.Description = "FCKeditor for Internet Explorer 5.5+" ;
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27 |
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28 | FCK._GetBehaviorsStyle = function()
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29 | {
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30 | if ( !FCK._BehaviorsStyle )
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31 | {
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32 | var sBasePath = FCKConfig.BasePath ;
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33 | var sTableBehavior = '' ;
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34 | var sStyle ;
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35 |
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36 | // The behaviors should be pointed using the BasePath to avoid security
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37 | // errors when using a different BaseHref.
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38 | sStyle = '<style type="text/css" _fcktemp="true">' ;
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39 |
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40 | if ( FCKConfig.ShowBorders )
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41 | sTableBehavior = 'url(' + sBasePath + 'css/behaviors/showtableborders.htc)' ;
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42 |
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43 | // Disable resize handlers.
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44 | sStyle += 'INPUT,TEXTAREA,SELECT,.FCK__Anchor,.FCK__PageBreak,.FCK__InputHidden' ;
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45 |
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46 | if ( FCKConfig.DisableObjectResizing )
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47 | {
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48 | sStyle += ',IMG' ;
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49 | sTableBehavior += ' url(' + sBasePath + 'css/behaviors/disablehandles.htc)' ;
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50 | }
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51 |
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52 | sStyle += ' { behavior: url(' + sBasePath + 'css/behaviors/disablehandles.htc) ; }' ;
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53 |
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54 | if ( sTableBehavior.length > 0 )
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55 | sStyle += 'TABLE { behavior: ' + sTableBehavior + ' ; }' ;
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56 |
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57 | sStyle += '</style>' ;
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58 | FCK._BehaviorsStyle = sStyle ;
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59 | }
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60 |
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61 | return FCK._BehaviorsStyle ;
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62 | }
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63 |
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64 | function Doc_OnMouseUp()
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65 | {
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66 | if ( FCK.EditorWindow.event.srcElement.tagName == 'HTML' )
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67 | {
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68 | FCK.Focus() ;
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69 | FCK.EditorWindow.event.cancelBubble = true ;
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70 | FCK.EditorWindow.event.returnValue = false ;
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71 | }
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72 | }
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73 |
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74 | function Doc_OnPaste()
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75 | {
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76 | var body = FCK.EditorDocument.body ;
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77 |
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78 | body.detachEvent( 'onpaste', Doc_OnPaste ) ;
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79 |
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80 | var ret = FCK.Paste( !FCKConfig.ForcePasteAsPlainText && !FCKConfig.AutoDetectPasteFromWord ) ;
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81 |
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82 | body.attachEvent( 'onpaste', Doc_OnPaste ) ;
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83 |
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84 | return ret ;
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85 | }
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86 |
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87 | function Doc_OnDblClick()
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88 | {
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89 | FCK.OnDoubleClick( FCK.EditorWindow.event.srcElement ) ;
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90 | FCK.EditorWindow.event.cancelBubble = true ;
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91 | }
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92 |
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93 | function Doc_OnSelectionChange()
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94 | {
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95 | // Don't fire the event if no document is loaded.
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96 | if ( !FCK.IsSelectionChangeLocked && FCK.EditorDocument )
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97 | FCK.Events.FireEvent( "OnSelectionChange" ) ;
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98 | }
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99 |
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100 | function Doc_OnDrop()
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101 | {
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102 | if ( FCK.MouseDownFlag )
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103 | {
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104 | FCK.MouseDownFlag = false ;
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105 | return ;
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106 | }
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107 |
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108 | if ( FCKConfig.ForcePasteAsPlainText )
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109 | {
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110 | var evt = FCK.EditorWindow.event ;
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111 |
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112 | if ( FCK._CheckIsPastingEnabled() || FCKConfig.ShowDropDialog )
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113 | FCK.PasteAsPlainText( evt.dataTransfer.getData( 'Text' ) ) ;
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114 |
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115 | evt.returnValue = false ;
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116 | evt.cancelBubble = true ;
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117 | }
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118 | }
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119 |
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120 | FCK.InitializeBehaviors = function( dontReturn )
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121 | {
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122 | // Set the focus to the editable area when clicking in the document area.
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123 | // TODO: The cursor must be positioned at the end.
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124 | this.EditorDocument.attachEvent( 'onmouseup', Doc_OnMouseUp ) ;
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125 |
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126 | // Intercept pasting operations
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127 | this.EditorDocument.body.attachEvent( 'onpaste', Doc_OnPaste ) ;
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128 |
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129 | // Intercept drop operations
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130 | this.EditorDocument.body.attachEvent( 'ondrop', Doc_OnDrop ) ;
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131 |
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132 | // Reset the context menu.
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133 | FCK.ContextMenu._InnerContextMenu.AttachToElement( FCK.EditorDocument.body ) ;
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134 |
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135 | this.EditorDocument.attachEvent("onkeydown", FCK._KeyDownListener ) ;
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136 |
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137 | this.EditorDocument.attachEvent("ondblclick", Doc_OnDblClick ) ;
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138 |
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139 | this.EditorDocument.attachEvent("onbeforedeactivate", function(){ FCKSelection.Save() ; } ) ;
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140 |
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141 | // Catch cursor selection changes.
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142 | this.EditorDocument.attachEvent("onselectionchange", Doc_OnSelectionChange ) ;
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143 |
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144 | FCKTools.AddEventListener( FCK.EditorDocument, 'mousedown', Doc_OnMouseDown ) ;
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145 | }
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146 |
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147 | FCK.InsertHtml = function( html )
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148 | {
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149 | html = FCKConfig.ProtectedSource.Protect( html ) ;
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150 | html = FCK.ProtectEvents( html ) ;
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151 | html = FCK.ProtectUrls( html ) ;
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152 | html = FCK.ProtectTags( html ) ;
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153 |
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154 | // FCK.Focus() ;
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155 | FCKSelection.Restore() ;
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156 | FCK.EditorWindow.focus() ;
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157 |
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158 | FCKUndo.SaveUndoStep() ;
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159 |
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160 | // Gets the actual selection.
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161 | var oSel = FCKSelection.GetSelection() ;
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162 |
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163 | // Deletes the actual selection contents.
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164 | if ( oSel.type.toLowerCase() == 'control' )
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165 | oSel.clear() ;
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166 |
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167 | // Using the following trick, any comment in the beginning of the HTML will
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168 | // be preserved.
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169 | html = '<span id="__fakeFCKRemove__" style="display:none;">fakeFCKRemove</span>' + html ;
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170 |
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171 | // Insert the HTML.
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172 | oSel.createRange().pasteHTML( html ) ;
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173 |
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174 | // Remove the fake node
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175 | var fake = FCK.EditorDocument.getElementById('__fakeFCKRemove__') ;
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176 | // If the span is the only child of a node (so the inserted HTML is beyond that),
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177 | // remove also that parent that isn't needed. #1537
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178 | if (fake.parentNode.childNodes.length == 1)
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179 | fake = fake.parentNode ;
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180 | fake.removeNode( true ) ;
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181 |
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182 | FCKDocumentProcessor.Process( FCK.EditorDocument ) ;
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183 |
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184 | // For some strange reason the SaveUndoStep() call doesn't activate the undo button at the first InsertHtml() call.
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185 | this.Events.FireEvent( "OnSelectionChange" ) ;
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186 | }
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187 |
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188 | FCK.SetInnerHtml = function( html ) // IE Only
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189 | {
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190 | var oDoc = FCK.EditorDocument ;
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191 | // Using the following trick, any comment in the beginning of the HTML will
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192 | // be preserved.
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193 | oDoc.body.innerHTML = '<div id="__fakeFCKRemove__"> </div>' + html ;
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194 | oDoc.getElementById('__fakeFCKRemove__').removeNode( true ) ;
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195 | }
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196 |
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197 | function FCK_PreloadImages()
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198 | {
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199 | var oPreloader = new FCKImagePreloader() ;
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200 |
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201 | // Add the configured images.
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202 | oPreloader.AddImages( FCKConfig.PreloadImages ) ;
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203 |
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204 | // Add the skin icons strip.
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205 | oPreloader.AddImages( FCKConfig.SkinPath + 'fck_strip.gif' ) ;
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206 |
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207 | oPreloader.OnComplete = LoadToolbarSetup ;
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208 | oPreloader.Start() ;
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209 | }
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210 |
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211 | // Disable the context menu in the editor (outside the editing area).
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212 | function Document_OnContextMenu()
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213 | {
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214 | return ( event.srcElement._FCKShowContextMenu == true ) ;
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215 | }
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216 | document.oncontextmenu = Document_OnContextMenu ;
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217 |
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218 | function FCK_Cleanup()
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219 | {
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220 | this.LinkedField = null ;
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221 | this.EditorWindow = null ;
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222 | this.EditorDocument = null ;
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223 | }
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224 |
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225 | FCK._ExecPaste = function()
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226 | {
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227 | // As we call ExecuteNamedCommand('Paste'), it would enter in a loop. So, let's use a semaphore.
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228 | if ( FCK._PasteIsRunning )
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229 | return true ;
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230 |
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231 | if ( FCKConfig.ForcePasteAsPlainText )
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232 | {
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233 | FCK.PasteAsPlainText() ;
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234 | return false ;
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235 | }
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236 |
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237 | var sHTML = FCK._CheckIsPastingEnabled( true ) ;
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238 |
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239 | if ( sHTML === false )
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240 | FCKTools.RunFunction( FCKDialog.OpenDialog, FCKDialog, ['FCKDialog_Paste', FCKLang.Paste, 'dialog/fck_paste.html', 400, 330, 'Security'] ) ;
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241 | else
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242 | {
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243 | if ( FCKConfig.AutoDetectPasteFromWord && sHTML.length > 0 )
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244 | {
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245 | var re = /<\w[^>]*(( class="?MsoNormal"?)|(="mso-))/gi ;
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246 | if ( re.test( sHTML ) )
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247 | {
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248 | if ( confirm( FCKLang.PasteWordConfirm ) )
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249 | {
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250 | FCK.PasteFromWord() ;
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251 | return false ;
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252 | }
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253 | }
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254 | }
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255 |
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256 | // Instead of inserting the retrieved HTML, let's leave the OS work for us,
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257 | // by calling FCK.ExecuteNamedCommand( 'Paste' ). It could give better results.
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258 |
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259 | // Enable the semaphore to avoid a loop.
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260 | FCK._PasteIsRunning = true ;
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261 |
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262 | FCK.ExecuteNamedCommand( 'Paste' ) ;
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263 |
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264 | // Removes the semaphore.
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265 | delete FCK._PasteIsRunning ;
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266 | }
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267 |
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268 | // Let's always make a custom implementation (return false), otherwise
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269 | // the new Keyboard Handler may conflict with this code, and the CTRL+V code
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270 | // could result in a simple "V" being pasted.
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271 | return false ;
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272 | }
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273 |
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274 | FCK.PasteAsPlainText = function( forceText )
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275 | {
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276 | if ( !FCK._CheckIsPastingEnabled() )
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277 | {
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278 | FCKDialog.OpenDialog( 'FCKDialog_Paste', FCKLang.PasteAsText, 'dialog/fck_paste.html', 400, 330, 'PlainText' ) ;
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279 | return ;
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280 | }
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281 |
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282 | // Get the data available in the clipboard in text format.
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283 | var sText = null ;
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284 | if ( ! forceText )
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285 | sText = clipboardData.getData("Text") ;
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286 | else
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287 | sText = forceText ;
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288 |
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289 | if ( sText && sText.length > 0 )
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290 | {
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291 | // Replace the carriage returns with <BR>
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292 | sText = FCKTools.HTMLEncode( sText ) ;
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293 | sText = FCKTools.ProcessLineBreaks( window, FCKConfig, sText ) ;
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294 |
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295 | var closeTagIndex = sText.search( '</p>' ) ;
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296 | var startTagIndex = sText.search( '<p>' ) ;
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297 |
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298 | if ( ( closeTagIndex != -1 && startTagIndex != -1 && closeTagIndex < startTagIndex )
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299 | || ( closeTagIndex != -1 && startTagIndex == -1 ) )
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300 | {
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301 | var prefix = sText.substr( 0, closeTagIndex ) ;
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302 | sText = sText.substr( closeTagIndex + 4 ) ;
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303 | this.InsertHtml( prefix ) ;
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304 | }
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305 |
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306 | // Insert the resulting data in the editor.
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307 | FCKUndo.SaveLocked = true ;
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308 | this.InsertHtml( sText ) ;
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309 | FCKUndo.SaveLocked = false ;
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310 | }
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311 | }
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312 |
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313 | FCK._CheckIsPastingEnabled = function( returnContents )
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314 | {
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315 | // The following seams to be the only reliable way to check is script
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316 | // pasting operations are enabled in the security settings of IE6 and IE7.
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317 | // It adds a little bit of overhead to the check, but so far that's the
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318 | // only way, mainly because of IE7.
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319 |
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320 | FCK._PasteIsEnabled = false ;
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321 |
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322 | document.body.attachEvent( 'onpaste', FCK_CheckPasting_Listener ) ;
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323 |
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324 | // The execCommand in GetClipboardHTML will fire the "onpaste", only if the
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325 | // security settings are enabled.
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326 | var oReturn = FCK.GetClipboardHTML() ;
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327 |
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328 | document.body.detachEvent( 'onpaste', FCK_CheckPasting_Listener ) ;
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329 |
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330 | if ( FCK._PasteIsEnabled )
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331 | {
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332 | if ( !returnContents )
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333 | oReturn = true ;
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334 | }
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335 | else
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336 | oReturn = false ;
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337 |
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338 | delete FCK._PasteIsEnabled ;
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339 |
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340 | return oReturn ;
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341 | }
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342 |
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343 | function FCK_CheckPasting_Listener()
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344 | {
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345 | FCK._PasteIsEnabled = true ;
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346 | }
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347 |
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348 | FCK.GetClipboardHTML = function()
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349 | {
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350 | var oDiv = document.getElementById( '___FCKHiddenDiv' ) ;
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351 |
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352 | if ( !oDiv )
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353 | {
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354 | oDiv = document.createElement( 'DIV' ) ;
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355 | oDiv.id = '___FCKHiddenDiv' ;
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356 |
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357 | var oDivStyle = oDiv.style ;
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358 | oDivStyle.position = 'absolute' ;
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359 | oDivStyle.visibility = oDivStyle.overflow = 'hidden' ;
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360 | oDivStyle.width = oDivStyle.height = 1 ;
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361 |
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362 | document.body.appendChild( oDiv ) ;
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363 | }
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364 |
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365 | oDiv.innerHTML = '' ;
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366 |
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367 | var oTextRange = document.body.createTextRange() ;
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368 | oTextRange.moveToElementText( oDiv ) ;
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369 | oTextRange.execCommand( 'Paste' ) ;
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370 |
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371 | var sData = oDiv.innerHTML ;
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372 | oDiv.innerHTML = '' ;
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373 |
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374 | return sData ;
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375 | }
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376 |
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377 | FCK.CreateLink = function( url, noUndo )
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378 | {
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379 | // Creates the array that will be returned. It contains one or more created links (see #220).
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380 | var aCreatedLinks = new Array() ;
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381 | var isControl = FCKSelection.GetType() == 'Control' ;
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382 | var selectedElement = isControl && FCKSelection.GetSelectedElement() ;
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383 |
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384 | // Remove any existing link in the selection.
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385 | // IE BUG: Unlinking a floating control selection that is not inside a link
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386 | // will collapse the selection. (#3677)
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387 | if ( !( isControl && !FCKTools.GetElementAscensor( selectedElement, 'a' ) ) )
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388 | FCK.ExecuteNamedCommand( 'Unlink', null, false, !!noUndo ) ;
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389 |
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390 | if ( url.length > 0 )
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391 | {
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392 | // If there are several images, and you try to link each one, all the images get inside the link:
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393 | // <img><img> -> <a><img></a><img> -> <a><img><img></a> due to the call to 'CreateLink' (bug in IE)
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394 | if ( isControl )
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395 | {
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396 | // Create a link
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397 | var oLink = this.EditorDocument.createElement( 'A' ) ;
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398 | oLink.href = url ;
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399 |
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400 | // Get the selected object
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401 | var oControl = selectedElement ;
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402 | // Put the link just before the object
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403 | oControl.parentNode.insertBefore(oLink, oControl) ;
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404 | // Move the object inside the link
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405 | oControl.parentNode.removeChild( oControl ) ;
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406 | oLink.appendChild( oControl ) ;
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407 |
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408 | return [ oLink ] ;
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409 | }
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410 |
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411 | // Generate a temporary name for the link.
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412 | var sTempUrl = 'javascript:void(0);/*' + ( new Date().getTime() ) + '*/' ;
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413 |
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414 | // Use the internal "CreateLink" command to create the link.
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415 | FCK.ExecuteNamedCommand( 'CreateLink', sTempUrl, false, !!noUndo ) ;
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416 |
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417 | // Look for the just create link.
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418 | var oLinks = this.EditorDocument.links ;
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419 |
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420 | for ( i = 0 ; i < oLinks.length ; i++ )
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421 | {
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422 | var oLink = oLinks[i] ;
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423 |
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424 | // Check it this a newly created link.
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425 | // getAttribute must be used. oLink.url may cause problems with IE7 (#555).
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426 | if ( oLink.getAttribute( 'href', 2 ) == sTempUrl )
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427 | {
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428 | var sInnerHtml = oLink.innerHTML ; // Save the innerHTML (IE changes it if it is like an URL).
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429 | oLink.href = url ;
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430 | oLink.innerHTML = sInnerHtml ; // Restore the innerHTML.
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431 |
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432 | // If the last child is a <br> move it outside the link or it
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433 | // will be too easy to select this link again #388.
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434 | var oLastChild = oLink.lastChild ;
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435 | if ( oLastChild && oLastChild.nodeName == 'BR' )
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436 | {
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437 | // Move the BR after the link.
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438 | FCKDomTools.InsertAfterNode( oLink, oLink.removeChild( oLastChild ) ) ;
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439 | }
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440 |
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441 | aCreatedLinks.push( oLink ) ;
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442 | }
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443 | }
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444 | }
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445 |
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446 | return aCreatedLinks ;
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447 | }
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448 |
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449 | function _FCK_RemoveDisabledAtt()
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450 | {
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451 | this.removeAttribute( 'disabled' ) ;
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452 | }
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453 |
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454 | function Doc_OnMouseDown( evt )
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455 | {
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456 | var e = evt.srcElement ;
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457 |
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458 | // Radio buttons and checkboxes should not be allowed to be triggered in IE
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459 | // in editable mode. Otherwise the whole browser window may be locked by
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460 | // the buttons. (#1782)
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461 | if ( e.nodeName && e.nodeName.IEquals( 'input' ) && e.type.IEquals( ['radio', 'checkbox'] ) && !e.disabled )
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462 | {
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463 | e.disabled = true ;
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464 | FCKTools.SetTimeout( _FCK_RemoveDisabledAtt, 1, e ) ;
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465 | }
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466 | }
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