1 | /* |
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2 | * FCKeditor - The text editor for internet |
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3 | * Copyright (C) 2003-2006 Frederico Caldeira Knabben |
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4 | * |
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5 | * Licensed under the terms of the GNU Lesser General Public License: |
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6 | * http://www.opensource.org/licenses/lgpl-license.php |
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7 | * |
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8 | * For further information visit: |
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9 | * http://www.fckeditor.net/ |
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10 | * |
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11 | * "Support Open Source software. What about a donation today?" |
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12 | * |
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13 | * File Name: fck_1.js |
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14 | * This is the first part of the "FCK" object creation. This is the main |
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15 | * object that represents an editor instance. |
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16 | * |
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17 | * File Authors: |
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18 | * Frederico Caldeira Knabben (fredck@fckeditor.net) |
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19 | */ |
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20 | |
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21 | var FCK_StartupValue ; |
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22 | |
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23 | FCK.Events = new FCKEvents( FCK ) ; |
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24 | FCK.Toolbar = null ; |
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25 | FCK.HasFocus = false ; |
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26 | |
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27 | FCK.StartEditor = function() |
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28 | { |
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29 | FCK.TempBaseTag = FCKConfig.BaseHref.length > 0 ? '<base href="' + FCKConfig.BaseHref + '" _fcktemp="true"></base>' : '' ; |
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30 | |
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31 | FCK.EditingArea = new FCKEditingArea( document.getElementById( 'xEditingArea' ) ) ; |
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32 | |
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33 | // Set the editor's startup contents |
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34 | this.SetHTML( FCKTools.GetLinkedFieldValue() ) ; |
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35 | } |
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36 | |
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37 | FCK.Focus = function() |
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38 | { |
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39 | FCK.EditingArea.Focus() ; |
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40 | } |
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41 | |
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42 | FCK.SetStatus = function( newStatus ) |
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43 | { |
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44 | this.Status = newStatus ; |
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45 | |
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46 | if ( newStatus == FCK_STATUS_ACTIVE ) |
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47 | { |
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48 | FCKFocusManager.AddWindow( window, true ) ; |
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49 | |
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50 | if ( FCKBrowserInfo.IsIE ) |
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51 | FCKFocusManager.AddWindow( window.frameElement, true ) ; |
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52 | |
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53 | // Force the focus in the editor. |
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54 | if ( FCKConfig.StartupFocus ) |
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55 | FCK.Focus() ; |
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56 | } |
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57 | |
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58 | this.Events.FireEvent( 'OnStatusChange', newStatus ) ; |
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59 | } |
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60 | |
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61 | // GetHTML is Deprecated : returns the same value as GetXHTML. |
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62 | FCK.GetHTML = FCK.GetXHTML = function( format ) |
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63 | { |
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64 | // We assume that if the user is in source editing, the editor value must |
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65 | // represent the exact contents of the source, as the user wanted it to be. |
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66 | if ( FCK.EditMode == FCK_EDITMODE_SOURCE ) |
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67 | return FCK.EditingArea.Textarea.value ; |
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68 | |
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69 | var sXHTML ; |
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70 | var oDoc = FCK.EditorDocument ; |
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71 | |
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72 | if ( FCKConfig.FullPage ) |
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73 | sXHTML = FCKXHtml.GetXHTML( oDoc.getElementsByTagName( 'html' )[0], true, format ) ; |
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74 | else |
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75 | { |
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76 | if ( FCKConfig.IgnoreEmptyParagraphValue && oDoc.body.innerHTML == '<P> </P>' ) |
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77 | sXHTML = '' ; |
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78 | else |
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79 | sXHTML = FCKXHtml.GetXHTML( oDoc.body, false, format ) ; |
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80 | } |
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81 | |
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82 | // Restore protected attributes. |
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83 | sXHTML = FCK.ProtectEventsRestore( sXHTML ) ; |
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84 | |
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85 | if ( FCKBrowserInfo.IsIE ) |
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86 | sXHTML = sXHTML.replace( FCKRegexLib.ToReplace, '$1' ) ; |
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87 | |
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88 | if ( FCK.DocTypeDeclaration && FCK.DocTypeDeclaration.length > 0 ) |
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89 | sXHTML = FCK.DocTypeDeclaration + '\n' + sXHTML ; |
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90 | |
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91 | if ( FCK.XmlDeclaration && FCK.XmlDeclaration.length > 0 ) |
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92 | sXHTML = FCK.XmlDeclaration + '\n' + sXHTML ; |
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93 | |
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94 | return FCKConfig.ProtectedSource.Revert( sXHTML ) ; |
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95 | } |
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96 | |
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97 | FCK.UpdateLinkedField = function() |
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98 | { |
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99 | FCK.LinkedField.value = FCK.GetXHTML( FCKConfig.FormatOutput ) ; |
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100 | FCK.Events.FireEvent( 'OnAfterLinkedFieldUpdate' ) ; |
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101 | } |
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102 | |
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103 | FCK.RegisteredDoubleClickHandlers = new Object() ; |
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104 | |
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105 | FCK.OnDoubleClick = function( element ) |
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106 | { |
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107 | var oHandler = FCK.RegisteredDoubleClickHandlers[ element.tagName ] ; |
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108 | if ( oHandler ) |
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109 | oHandler( element ) ; |
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110 | } |
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111 | |
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112 | // Register objects that can handle double click operations. |
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113 | FCK.RegisterDoubleClickHandler = function( handlerFunction, tag ) |
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114 | { |
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115 | FCK.RegisteredDoubleClickHandlers[ tag.toUpperCase() ] = handlerFunction ; |
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116 | } |
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117 | |
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118 | FCK.OnAfterSetHTML = function() |
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119 | { |
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120 | FCKDocumentProcessor.Process( FCK.EditorDocument ) ; |
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121 | FCKUndo.SaveUndoStep() ; |
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122 | FCK.Events.FireEvent( 'OnSelectionChange' ) ; |
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123 | FCK.Events.FireEvent( 'OnAfterSetHTML' ) ; |
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124 | } |
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125 | |
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126 | // Saves URLs on links and images on special attributes, so they don't change when |
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127 | // moving around. |
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128 | FCK.ProtectUrls = function( html ) |
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129 | { |
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130 | // <A> href |
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131 | html = html.replace( FCKRegexLib.ProtectUrlsA , '$1$4$2$3$5$2 _fcksavedurl=$2$3$5$2' ) ; |
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132 | |
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133 | // <IMG> src |
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134 | html = html.replace( FCKRegexLib.ProtectUrlsImg , '$1$4$2$3$5$2 _fcksavedurl=$2$3$5$2' ) ; |
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135 | |
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136 | return html ; |
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137 | } |
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138 | |
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139 | // Saves event attributes (like onclick) so they don't get executed while |
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140 | // editing. |
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141 | FCK.ProtectEvents = function( html ) |
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142 | { |
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143 | return html.replace( FCKRegexLib.TagsWithEvent, _FCK_ProtectEvents_ReplaceTags ) ; |
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144 | } |
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145 | |
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146 | // Replace all events attributes (like onclick). |
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147 | function _FCK_ProtectEvents_ReplaceTags( tagMatch ) |
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148 | { |
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149 | return tagMatch.replace( FCKRegexLib.EventAttributes, _FCK_ProtectEvents_ReplaceEvents ) ; |
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150 | } |
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151 | |
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152 | // Replace an event attribute with its respective __fckprotectedatt attribute. |
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153 | // The original event markup will be encoded and saved as the value of the new |
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154 | // attribute. |
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155 | function _FCK_ProtectEvents_ReplaceEvents( eventMatch, attName ) |
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156 | { |
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157 | return ' ' + attName + '_fckprotectedatt="' + eventMatch.ReplaceAll( [/&/g,/'/g,/"/g,/=/g,/</g,/>/g,/\r/g,/\n/g], [''',''','"','=','<','>',' ',' '] ) + '"' ; |
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158 | } |
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159 | |
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160 | FCK.ProtectEventsRestore = function( html ) |
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161 | { |
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162 | return html.replace( FCKRegexLib.ProtectedEvents, _FCK_ProtectEvents_RestoreEvents ) ; |
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163 | } |
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164 | |
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165 | function _FCK_ProtectEvents_RestoreEvents( match, encodedOriginal ) |
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166 | { |
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167 | return encodedOriginal.ReplaceAll( [/'/g,/"/g,/=/g,/</g,/>/g,/ /g,/ /g,/'/g], ["'",'"','=','<','>','\r','\n','&'] ) ; |
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168 | } |
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169 | |
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170 | FCK.IsDirty = function() |
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171 | { |
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172 | return ( FCK_StartupValue != FCK.EditorDocument.body.innerHTML ) ; |
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173 | } |
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174 | |
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175 | FCK.ResetIsDirty = function() |
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176 | { |
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177 | if ( FCK.EditorDocument.body ) |
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178 | FCK_StartupValue = FCK.EditorDocument.body.innerHTML ; |
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179 | } |
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180 | |
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181 | FCK.SetHTML = function( html ) |
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182 | { |
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183 | this.EditingArea.Mode = FCK.EditMode ; |
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184 | |
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185 | if ( FCK.EditMode == FCK_EDITMODE_WYSIWYG ) |
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186 | { |
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187 | html = FCKConfig.ProtectedSource.Protect( html ) ; |
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188 | html = FCK.ProtectEvents( html ) ; |
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189 | html = FCK.ProtectUrls( html ) ; |
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190 | |
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191 | // Firefox can't handle correctly the editing of the STRONG and EM tags. |
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192 | // We must replace them with B and I. |
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193 | if ( FCKBrowserInfo.IsGecko ) |
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194 | { |
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195 | html = html.replace( FCKRegexLib.StrongOpener, '<b$1' ) ; |
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196 | html = html.replace( FCKRegexLib.StrongCloser, '<\/b>' ) ; |
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197 | html = html.replace( FCKRegexLib.EmOpener, '<i$1' ) ; |
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198 | html = html.replace( FCKRegexLib.EmCloser, '<\/i>' ) ; |
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199 | } |
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200 | else if ( FCKBrowserInfo.IsIE ) |
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201 | { |
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202 | // IE doesn't support <abbr> and it breaks it. Let's protect it. |
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203 | html = html.replace( FCKRegexLib.AbbrOpener, '<FCK:abbr$1' ) ; |
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204 | html = html.replace( FCKRegexLib.AbbrCloser, '<\/FCK:abbr>' ) ; |
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205 | } |
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206 | |
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207 | var sHtml = '' ; |
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208 | |
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209 | if ( FCKConfig.FullPage ) |
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210 | { |
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211 | // The HTML must be fixed if the <head> is not available. |
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212 | if ( !FCKRegexLib.HeadOpener.test( html ) ) |
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213 | { |
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214 | // Check if the <html> is available. |
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215 | if ( !FCKRegexLib.HtmlOpener.test( html ) ) |
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216 | html = '<html dir="' + FCKConfig.ContentLangDirection + '">' + html + '</html>' ; |
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217 | |
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218 | // Add the <head>. |
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219 | html = html.replace( FCKRegexLib.HtmlOpener, '$&<head></head>' ) ; |
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220 | } |
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221 | |
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222 | // Save the DOCTYPE. |
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223 | FCK.DocTypeDeclaration = html.match( FCKRegexLib.DocTypeTag ) ; |
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224 | |
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225 | if ( FCKBrowserInfo.IsIE ) |
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226 | sHtml = FCK._GetBehaviorsStyle() ; |
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227 | else if ( FCKConfig.ShowBorders ) |
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228 | sHtml = '<link href="' + FCKConfig.FullBasePath + 'css/fck_showtableborders_gecko.css" rel="stylesheet" type="text/css" _fcktemp="true" />' ; |
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229 | |
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230 | sHtml += '<link href="' + FCKConfig.FullBasePath + 'css/fck_internal.css' + '" rel="stylesheet" type="text/css" _fcktemp="true" />' ; |
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231 | |
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232 | sHtml = html.replace( FCKRegexLib.HeadCloser, sHtml + '$&' ) ; |
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233 | |
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234 | // Insert the base tag (FCKConfig.BaseHref), if not exists in the source. |
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235 | if ( FCK.TempBaseTag.length > 0 && !FCKRegexLib.HasBaseTag.test( html ) ) |
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236 | sHtml = sHtml.replace( FCKRegexLib.HeadOpener, '$&' + FCK.TempBaseTag ) ; |
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237 | } |
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238 | else |
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239 | { |
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240 | sHtml = |
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241 | FCKConfig.DocType + |
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242 | '<html dir="' + FCKConfig.ContentLangDirection + '"' ; |
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243 | |
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244 | // On IE, if you are use a DOCTYPE differenft of HTML 4 (like |
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245 | // XHTML), you must force the vertical scroll to show, otherwise |
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246 | // the horizontal one may appear when the page needs vertical scrolling. |
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247 | if ( FCKBrowserInfo.IsIE && !FCKRegexLib.Html4DocType.test( FCKConfig.DocType ) ) |
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248 | sHtml += ' style="overflow-y: scroll"' ; |
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249 | |
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250 | sHtml += |
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251 | '><head><title></title>' + |
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252 | this._GetEditorAreaStyleTags() + |
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253 | '<link href="' + FCKConfig.FullBasePath + 'css/fck_internal.css' + '" rel="stylesheet" type="text/css" _fcktemp="true" />' ; |
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254 | |
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255 | if ( FCKBrowserInfo.IsIE ) |
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256 | sHtml += FCK._GetBehaviorsStyle() ; |
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257 | else if ( FCKConfig.ShowBorders ) |
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258 | sHtml += '<link href="' + FCKConfig.FullBasePath + 'css/fck_showtableborders_gecko.css" rel="stylesheet" type="text/css" _fcktemp="true" />' ; |
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259 | |
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260 | sHtml += FCK.TempBaseTag ; |
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261 | sHtml += '</head><body>' ; |
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262 | |
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263 | if ( FCKBrowserInfo.IsGecko && ( html.length == 0 || FCKRegexLib.EmptyParagraph.test( html ) ) ) |
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264 | sHtml += GECKO_BOGUS ; |
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265 | else |
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266 | sHtml += html ; |
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267 | |
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268 | sHtml += '</body></html>' ; |
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269 | } |
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270 | |
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271 | this.EditingArea.OnLoad = FCK_EditingArea_OnLoad ; |
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272 | this.EditingArea.Start( sHtml ) ; |
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273 | } |
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274 | else |
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275 | { |
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276 | this.EditingArea.OnLoad = null ; |
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277 | this.EditingArea.Start( html ) ; |
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278 | |
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279 | // Enables the context menu in the textarea. |
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280 | this.EditingArea.Textarea._FCKShowContextMenu = true ; |
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281 | } |
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282 | |
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283 | if ( FCKBrowserInfo.IsGecko ) |
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284 | window.onresize() ; |
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285 | } |
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286 | |
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287 | function FCK_EditingArea_OnLoad() |
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288 | { |
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289 | // Get the editor's window and document (DOM) |
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290 | FCK.EditorWindow = FCK.EditingArea.Window ; |
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291 | FCK.EditorDocument = FCK.EditingArea.Document ; |
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292 | |
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293 | FCK.InitializeBehaviors() ; |
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294 | |
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295 | FCK.OnAfterSetHTML() ; |
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296 | |
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297 | // Check if it is not a startup call, otherwise complete the startup. |
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298 | if ( FCK.Status != FCK_STATUS_NOTLOADED ) |
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299 | return ; |
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300 | |
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301 | // Save the startup value for the "IsDirty()" check. |
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302 | FCK.ResetIsDirty() ; |
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303 | |
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304 | // Attach the editor to the form onsubmit event |
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305 | FCKTools.AttachToLinkedFieldFormSubmit( FCK.UpdateLinkedField ) ; |
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306 | |
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307 | FCK.SetStatus( FCK_STATUS_ACTIVE ) ; |
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308 | } |
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309 | |
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310 | FCK._GetEditorAreaStyleTags = function() |
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311 | { |
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312 | var sTags = '' ; |
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313 | var aCSSs = FCKConfig.EditorAreaCSS ; |
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314 | |
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315 | for ( var i = 0 ; i < aCSSs.length ; i++ ) |
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316 | sTags += '<link href="' + aCSSs[i] + '" rel="stylesheet" type="text/css" />' ; |
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317 | |
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318 | return sTags ; |
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319 | } |
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320 | |
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321 | // # Focus Manager: Manages the focus in the editor. |
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322 | var FCKFocusManager = FCK.FocusManager = new Object() ; |
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323 | FCKFocusManager.IsLocked = false ; |
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324 | FCK.HasFocus = false ; |
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325 | |
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326 | FCKFocusManager.AddWindow = function( win, sendToEditingArea ) |
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327 | { |
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328 | var oTarget ; |
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329 | |
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330 | if ( FCKBrowserInfo.IsIE ) |
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331 | oTarget = win.nodeType == 1 ? win : win.frameElement ? win.frameElement : win.document ; |
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332 | else |
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333 | oTarget = win.document ; |
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334 | |
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335 | FCKTools.AddEventListener( oTarget, 'blur', FCKFocusManager_Win_OnBlur ) ; |
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336 | FCKTools.AddEventListener( oTarget, 'focus', sendToEditingArea ? FCKFocusManager_Win_OnFocus_Area : FCKFocusManager_Win_OnFocus ) ; |
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337 | } |
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338 | |
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339 | FCKFocusManager.RemoveWindow = function( win ) |
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340 | { |
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341 | if ( FCKBrowserInfo.IsIE ) |
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342 | oTarget = win.nodeType == 1 ? win : win.frameElement ? win.frameElement : win.document ; |
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343 | else |
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344 | oTarget = win.document ; |
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345 | |
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346 | FCKTools.RemoveEventListener( oTarget, 'blur', FCKFocusManager_Win_OnBlur ) ; |
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347 | FCKTools.RemoveEventListener( oTarget, 'focus', FCKFocusManager_Win_OnFocus_Area ) ; |
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348 | FCKTools.RemoveEventListener( oTarget, 'focus', FCKFocusManager_Win_OnFocus ) ; |
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349 | } |
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350 | |
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351 | FCKFocusManager.Lock = function() |
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352 | { |
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353 | this.IsLocked = true ; |
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354 | } |
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355 | |
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356 | FCKFocusManager.Unlock = function() |
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357 | { |
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358 | if ( this._HasPendingBlur ) |
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359 | FCKFocusManager._Timer = window.setTimeout( FCKFocusManager_FireOnBlur, 100 ) ; |
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360 | |
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361 | this.IsLocked = false ; |
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362 | } |
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363 | |
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364 | FCKFocusManager._ResetTimer = function() |
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365 | { |
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366 | this._HasPendingBlur = false ; |
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367 | |
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368 | if ( this._Timer ) |
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369 | { |
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370 | window.clearTimeout( this._Timer ) ; |
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371 | delete this._Timer ; |
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372 | } |
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373 | } |
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374 | |
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375 | function FCKFocusManager_Win_OnBlur() |
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376 | { |
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377 | if ( typeof(FCK) != 'undefined' && FCK.HasFocus ) |
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378 | { |
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379 | FCKFocusManager._ResetTimer() ; |
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380 | FCKFocusManager._Timer = window.setTimeout( FCKFocusManager_FireOnBlur, 100 ) ; |
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381 | } |
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382 | } |
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383 | |
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384 | function FCKFocusManager_FireOnBlur() |
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385 | { |
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386 | if ( FCKFocusManager.IsLocked ) |
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387 | FCKFocusManager._HasPendingBlur = true ; |
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388 | else |
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389 | { |
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390 | FCK.HasFocus = false ; |
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391 | FCK.Events.FireEvent( "OnBlur" ) ; |
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392 | } |
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393 | } |
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394 | |
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395 | function FCKFocusManager_Win_OnFocus_Area() |
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396 | { |
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397 | FCKFocusManager_Win_OnFocus() ; |
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398 | FCK.Focus() ; |
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399 | } |
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400 | |
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401 | function FCKFocusManager_Win_OnFocus() |
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402 | { |
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403 | FCKFocusManager._ResetTimer() ; |
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404 | |
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405 | if ( !FCK.HasFocus && !FCKFocusManager.IsLocked ) |
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406 | { |
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407 | FCK.HasFocus = true ; |
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408 | FCK.Events.FireEvent( "OnFocus" ) ; |
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409 | } |
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410 | } |
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