1 | /* |
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2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net |
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3 | * Copyright (C) 2003-2007 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.FullBasePath ; |
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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 FullBasePath to avoid security |
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37 | // errors when using a differente 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 | return ( FCK.Status == FCK_STATUS_COMPLETE && FCK.Events.FireEvent( "OnPaste" ) ) ; |
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77 | } |
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78 | |
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79 | function Doc_OnKeyDown() |
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80 | { |
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81 | if ( FCK.EditorWindow ) |
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82 | { |
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83 | var e = FCK.EditorWindow.event ; |
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84 | |
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85 | if ( !( e.keyCode >=16 && e.keyCode <= 18 ) ) |
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86 | Doc_OnKeyDownUndo() ; |
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87 | } |
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88 | return true ; |
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89 | } |
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90 | |
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91 | function Doc_OnKeyDownUndo() |
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92 | { |
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93 | if ( !FCKUndo.Typing ) |
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94 | { |
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95 | FCKUndo.SaveUndoStep() ; |
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96 | FCKUndo.Typing = true ; |
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97 | FCK.Events.FireEvent( "OnSelectionChange" ) ; |
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98 | } |
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99 | |
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100 | FCKUndo.TypesCount++ ; |
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101 | |
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102 | if ( FCKUndo.TypesCount > FCKUndo.MaxTypes ) |
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103 | { |
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104 | FCKUndo.TypesCount = 0 ; |
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105 | FCKUndo.SaveUndoStep() ; |
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106 | } |
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107 | } |
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108 | |
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109 | function Doc_OnDblClick() |
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110 | { |
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111 | FCK.OnDoubleClick( FCK.EditorWindow.event.srcElement ) ; |
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112 | FCK.EditorWindow.event.cancelBubble = true ; |
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113 | } |
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114 | |
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115 | function Doc_OnSelectionChange() |
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116 | { |
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117 | FCK.Events.FireEvent( "OnSelectionChange" ) ; |
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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 | // Reset the context menu. |
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130 | FCK.ContextMenu._InnerContextMenu.AttachToElement( FCK.EditorDocument.body ) ; |
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131 | |
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132 | // Build the "TAB" key replacement (if necessary). |
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133 | if ( FCKConfig.TabSpaces > 0 ) |
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134 | { |
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135 | window.FCKTabHTML = '' ; |
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136 | for ( i = 0 ; i < FCKConfig.TabSpaces ; i++ ) |
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137 | window.FCKTabHTML += " " ; |
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138 | } |
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139 | this.EditorDocument.attachEvent("onkeydown", Doc_OnKeyDown ) ; |
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140 | |
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141 | this.EditorDocument.attachEvent("ondblclick", Doc_OnDblClick ) ; |
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142 | |
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143 | // Catch cursor selection changes. |
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144 | this.EditorDocument.attachEvent("onselectionchange", Doc_OnSelectionChange ) ; |
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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 | FCK.EditorWindow.focus() ; |
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156 | |
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157 | FCKUndo.SaveUndoStep() ; |
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158 | |
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159 | // Gets the actual selection. |
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160 | var oSel = FCK.EditorDocument.selection ; |
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161 | |
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162 | // Deletes the actual selection contents. |
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163 | if ( oSel.type.toLowerCase() == 'control' ) |
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164 | oSel.clear() ; |
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165 | |
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166 | // Insert the HTML. |
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167 | oSel.createRange().pasteHTML( html ) ; |
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168 | |
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169 | FCKDocumentProcessor.Process( FCK.EditorDocument ) ; |
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170 | } |
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171 | |
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172 | FCK.SetInnerHtml = function( html ) // IE Only |
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173 | { |
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174 | var oDoc = FCK.EditorDocument ; |
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175 | // Using the following trick, any comment in the begining of the HTML will |
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176 | // be preserved. |
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177 | oDoc.body.innerHTML = '<div id="__fakeFCKRemove__"> </div>' + html ; |
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178 | oDoc.getElementById('__fakeFCKRemove__').removeNode( true ) ; |
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179 | } |
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180 | |
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181 | function FCK_PreloadImages() |
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182 | { |
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183 | var oPreloader = new FCKImagePreloader() ; |
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184 | |
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185 | // Add the configured images. |
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186 | oPreloader.AddImages( FCKConfig.PreloadImages ) ; |
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187 | |
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188 | // Add the skin icons strip. |
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189 | oPreloader.AddImages( FCKConfig.SkinPath + 'fck_strip.gif' ) ; |
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190 | |
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191 | oPreloader.OnComplete = LoadToolbarSetup ; |
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192 | oPreloader.Start() ; |
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193 | } |
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194 | |
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195 | // Disable the context menu in the editor (outside the editing area). |
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196 | function Document_OnContextMenu() |
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197 | { |
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198 | return ( event.srcElement._FCKShowContextMenu == true ) ; |
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199 | } |
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200 | document.oncontextmenu = Document_OnContextMenu ; |
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201 | |
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202 | function FCK_Cleanup() |
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203 | { |
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204 | this.EditorWindow = null ; |
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205 | this.EditorDocument = null ; |
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206 | } |
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207 | |
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208 | FCK.Paste = function() |
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209 | { |
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210 | // As we call ExecuteNamedCommand('Paste'), it would enter in a loop. So, let's use a semaphore. |
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211 | if ( FCK._PasteIsRunning ) |
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212 | return true ; |
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213 | |
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214 | if ( FCKConfig.ForcePasteAsPlainText ) |
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215 | { |
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216 | FCK.PasteAsPlainText() ; |
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217 | return false ; |
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218 | } |
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219 | |
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220 | var sHTML = FCK._CheckIsPastingEnabled( true ) ; |
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221 | |
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222 | if ( sHTML === false ) |
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223 | FCKTools.RunFunction( FCKDialog.OpenDialog, FCKDialog, ['FCKDialog_Paste', FCKLang.Paste, 'dialog/fck_paste.html', 400, 330, 'Security'] ) ; |
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224 | else |
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225 | { |
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226 | if ( FCKConfig.AutoDetectPasteFromWord && sHTML.length > 0 ) |
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227 | { |
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228 | var re = /<\w[^>]*(( class="?MsoNormal"?)|(="mso-))/gi ; |
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229 | if ( re.test( sHTML ) ) |
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230 | { |
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231 | if ( confirm( FCKLang.PasteWordConfirm ) ) |
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232 | { |
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233 | FCK.PasteFromWord() ; |
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234 | return false ; |
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235 | } |
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236 | } |
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237 | } |
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238 | |
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239 | // Instead of inserting the retrieved HTML, let's leave the OS work for us, |
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240 | // by calling FCK.ExecuteNamedCommand( 'Paste' ). It could give better results. |
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241 | |
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242 | // Enable the semaphore to avoid a loop. |
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243 | FCK._PasteIsRunning = true ; |
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244 | |
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245 | FCK.ExecuteNamedCommand( 'Paste' ) ; |
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246 | |
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247 | // Removes the semaphore. |
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248 | delete FCK._PasteIsRunning ; |
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249 | } |
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250 | |
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251 | // Let's always make a custom implementation (return false), otherwise |
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252 | // the new Keyboard Handler may conflict with this code, and the CTRL+V code |
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253 | // could result in a simple "V" being pasted. |
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254 | return false ; |
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255 | } |
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256 | |
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257 | FCK.PasteAsPlainText = function() |
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258 | { |
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259 | if ( !FCK._CheckIsPastingEnabled() ) |
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260 | { |
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261 | FCKDialog.OpenDialog( 'FCKDialog_Paste', FCKLang.PasteAsText, 'dialog/fck_paste.html', 400, 330, 'PlainText' ) ; |
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262 | return ; |
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263 | } |
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264 | |
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265 | // Get the data available in the clipboard in text format. |
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266 | var sText = clipboardData.getData("Text") ; |
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267 | |
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268 | if ( sText && sText.length > 0 ) |
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269 | { |
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270 | // Replace the carriage returns with <BR> |
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271 | sText = FCKTools.HTMLEncode( sText ).replace( /\n/g, '<BR>' ) ; |
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272 | |
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273 | // Insert the resulting data in the editor. |
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274 | this.InsertHtml( sText ) ; |
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275 | } |
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276 | } |
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277 | |
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278 | FCK._CheckIsPastingEnabled = function( returnContents ) |
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279 | { |
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280 | // The following seams to be the only reliable way to check is script |
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281 | // pasting operations are enabled in the secutiry settings of IE6 and IE7. |
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282 | // It adds a little bit of overhead to the check, but so far that's the |
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283 | // only way, mainly because of IE7. |
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284 | |
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285 | FCK._PasteIsEnabled = false ; |
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286 | |
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287 | document.body.attachEvent( 'onpaste', FCK_CheckPasting_Listener ) ; |
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288 | |
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289 | // The execCommand in GetClipboardHTML will fire the "onpaste", only if the |
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290 | // security settings are enabled. |
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291 | var oReturn = FCK.GetClipboardHTML() ; |
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292 | |
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293 | document.body.detachEvent( 'onpaste', FCK_CheckPasting_Listener ) ; |
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294 | |
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295 | if ( FCK._PasteIsEnabled ) |
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296 | { |
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297 | if ( !returnContents ) |
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298 | oReturn = true ; |
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299 | } |
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300 | else |
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301 | oReturn = false ; |
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302 | |
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303 | delete FCK._PasteIsEnabled ; |
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304 | |
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305 | return oReturn ; |
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306 | } |
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307 | |
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308 | function FCK_CheckPasting_Listener() |
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309 | { |
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310 | FCK._PasteIsEnabled = true ; |
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311 | } |
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312 | |
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313 | FCK.InsertElement = function( element ) |
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314 | { |
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315 | FCK.InsertHtml( element.outerHTML ) ; |
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316 | } |
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317 | |
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318 | FCK.GetClipboardHTML = function() |
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319 | { |
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320 | var oDiv = document.getElementById( '___FCKHiddenDiv' ) ; |
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321 | |
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322 | if ( !oDiv ) |
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323 | { |
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324 | oDiv = document.createElement( 'DIV' ) ; |
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325 | oDiv.id = '___FCKHiddenDiv' ; |
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326 | |
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327 | var oDivStyle = oDiv.style ; |
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328 | oDivStyle.position = 'absolute' ; |
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329 | oDivStyle.visibility = oDivStyle.overflow = 'hidden' ; |
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330 | oDivStyle.width = oDivStyle.height = 1 ; |
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331 | |
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332 | document.body.appendChild( oDiv ) ; |
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333 | } |
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334 | |
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335 | oDiv.innerHTML = '' ; |
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336 | |
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337 | var oTextRange = document.body.createTextRange() ; |
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338 | oTextRange.moveToElementText( oDiv ) ; |
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339 | oTextRange.execCommand( 'Paste' ) ; |
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340 | |
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341 | var sData = oDiv.innerHTML ; |
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342 | oDiv.innerHTML = '' ; |
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343 | |
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344 | return sData ; |
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345 | } |
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346 | |
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347 | FCK.AttachToOnSelectionChange = function( functionPointer ) |
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348 | { |
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349 | this.Events.AttachEvent( 'OnSelectionChange', functionPointer ) ; |
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350 | } |
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351 | |
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352 | FCK.CreateLink = function( url ) |
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353 | { |
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354 | // Remove any existing link in the selection. |
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355 | FCK.ExecuteNamedCommand( 'Unlink' ) ; |
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356 | |
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357 | if ( url.length > 0 ) |
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358 | { |
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359 | // Generate a temporary name for the link. |
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360 | var sTempUrl = 'javascript:void(0);/*' + ( new Date().getTime() ) + '*/' ; |
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361 | |
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362 | // Use the internal "CreateLink" command to create the link. |
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363 | FCK.ExecuteNamedCommand( 'CreateLink', sTempUrl ) ; |
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364 | |
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365 | // Look for the just create link. |
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366 | var oLinks = this.EditorDocument.links ; |
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367 | |
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368 | for ( i = 0 ; i < oLinks.length ; i++ ) |
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369 | { |
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370 | var oLink = oLinks[i] ; |
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371 | |
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372 | if ( oLink.href == sTempUrl ) |
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373 | { |
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374 | var sInnerHtml = oLink.innerHTML ; // Save the innerHTML (IE changes it if it is like an URL). |
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375 | oLink.href = url ; |
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376 | oLink.innerHTML = sInnerHtml ; // Restore the innerHTML. |
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377 | return oLink ; |
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378 | } |
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379 | } |
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380 | } |
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381 | |
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382 | return null ; |
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383 | } |
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