| 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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