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CommunityID/fckeditor/editor/_source/internals/fck.js

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/*
* FCKeditor - The text editor for Internet - http://www.fckeditor.net
* Copyright (C) 2003-2009 Frederico Caldeira Knabben
*
* == BEGIN LICENSE ==
*
* Licensed under the terms of any of the following licenses at your
* choice:
*
* - GNU General Public License Version 2 or later (the "GPL")
* http://www.gnu.org/licenses/gpl.html
*
* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
* http://www.gnu.org/licenses/lgpl.html
*
* - Mozilla Public License Version 1.1 or later (the "MPL")
* http://www.mozilla.org/MPL/MPL-1.1.html
*
* == END LICENSE ==
*
* Creation and initialization of the "FCK" object. This is the main object
* that represents an editor instance.
*/
// FCK represents the active editor instance.
var FCK =
{
Name : FCKURLParams[ 'InstanceName' ],
Status : FCK_STATUS_NOTLOADED,
EditMode : FCK_EDITMODE_WYSIWYG,
Toolbar : null,
HasFocus : false,
DataProcessor : new FCKDataProcessor(),
GetInstanceObject : (function()
{
var w = window ;
return function( name )
{
return w[name] ;
}
})(),
AttachToOnSelectionChange : function( functionPointer )
{
this.Events.AttachEvent( 'OnSelectionChange', functionPointer ) ;
},
GetLinkedFieldValue : function()
{
return this.LinkedField.value ;
},
GetParentForm : function()
{
return this.LinkedField.form ;
} ,
// # START : IsDirty implementation
StartupValue : '',
IsDirty : function()
{
if ( this.EditMode == FCK_EDITMODE_SOURCE )
return ( this.StartupValue != this.EditingArea.Textarea.value ) ;
else
{
// It can happen switching between design and source mode in Gecko
if ( ! this.EditorDocument )
return false ;
return ( this.StartupValue != this.EditorDocument.body.innerHTML ) ;
}
},
ResetIsDirty : function()
{
if ( this.EditMode == FCK_EDITMODE_SOURCE )
this.StartupValue = this.EditingArea.Textarea.value ;
else if ( this.EditorDocument.body )
this.StartupValue = this.EditorDocument.body.innerHTML ;
},
// # END : IsDirty implementation
StartEditor : function()
{
this.TempBaseTag = FCKConfig.BaseHref.length > 0 ? '<base href="' + FCKConfig.BaseHref + '" _fcktemp="true"></base>' : '' ;
// Setup the keystroke handler.
var oKeystrokeHandler = FCK.KeystrokeHandler = new FCKKeystrokeHandler() ;
oKeystrokeHandler.OnKeystroke = _FCK_KeystrokeHandler_OnKeystroke ;
// Set the config keystrokes.
oKeystrokeHandler.SetKeystrokes( FCKConfig.Keystrokes ) ;
// In IE7, if the editor tries to access the clipboard by code, a dialog is
// shown to the user asking if the application is allowed to access or not.
// Due to the IE implementation of it, the KeystrokeHandler will not work
//well in this case, so we must leave the pasting keys to have their default behavior.
if ( FCKBrowserInfo.IsIE7 )
{
if ( ( CTRL + 86 /*V*/ ) in oKeystrokeHandler.Keystrokes )
oKeystrokeHandler.SetKeystrokes( [ CTRL + 86, true ] ) ;
if ( ( SHIFT + 45 /*INS*/ ) in oKeystrokeHandler.Keystrokes )
oKeystrokeHandler.SetKeystrokes( [ SHIFT + 45, true ] ) ;
}
// Retain default behavior for Ctrl-Backspace. (Bug #362)
oKeystrokeHandler.SetKeystrokes( [ CTRL + 8, true ] ) ;
this.EditingArea = new FCKEditingArea( document.getElementById( 'xEditingArea' ) ) ;
this.EditingArea.FFSpellChecker = FCKConfig.FirefoxSpellChecker ;
// Set the editor's startup contents.
this.SetData( this.GetLinkedFieldValue(), true ) ;
// Tab key handling for source mode.
FCKTools.AddEventListener( document, "keydown", this._TabKeyHandler ) ;
// Add selection change listeners. They must be attached only once.
this.AttachToOnSelectionChange( _FCK_PaddingNodeListener ) ;
if ( FCKBrowserInfo.IsGecko )
this.AttachToOnSelectionChange( this._ExecCheckEmptyBlock ) ;
},
Focus : function()
{
FCK.EditingArea.Focus() ;
},
SetStatus : function( newStatus )
{
this.Status = newStatus ;
if ( newStatus == FCK_STATUS_ACTIVE )
{
FCKFocusManager.AddWindow( window, true ) ;
if ( FCKBrowserInfo.IsIE )
FCKFocusManager.AddWindow( window.frameElement, true ) ;
// Force the focus in the editor.
if ( FCKConfig.StartupFocus )
FCK.Focus() ;
}
this.Events.FireEvent( 'OnStatusChange', newStatus ) ;
},
// Fixes the body by moving all inline and text nodes to appropriate block
// elements.
FixBody : function()
{
var sBlockTag = FCKConfig.EnterMode ;
// In 'br' mode, no fix must be done.
if ( sBlockTag != 'p' && sBlockTag != 'div' )
return ;
var oDocument = this.EditorDocument ;
if ( !oDocument )
return ;
var oBody = oDocument.body ;
if ( !oBody )
return ;
FCKDomTools.TrimNode( oBody ) ;
var oNode = oBody.firstChild ;
var oNewBlock ;
while ( oNode )
{
var bMoveNode = false ;
switch ( oNode.nodeType )
{
// Element Node.
case 1 :
var nodeName = oNode.nodeName.toLowerCase() ;
if ( !FCKListsLib.BlockElements[ nodeName ] &&
nodeName != 'li' &&
!oNode.getAttribute('_fckfakelement') &&
oNode.getAttribute('_moz_dirty') == null )
bMoveNode = true ;
break ;
// Text Node.
case 3 :
// Ignore space only or empty text.
if ( oNewBlock || oNode.nodeValue.Trim().length > 0 )
bMoveNode = true ;
break;
// Comment Node
case 8 :
if ( oNewBlock )
bMoveNode = true ;
break;
}
if ( bMoveNode )
{
var oParent = oNode.parentNode ;
if ( !oNewBlock )
oNewBlock = oParent.insertBefore( oDocument.createElement( sBlockTag ), oNode ) ;
oNewBlock.appendChild( oParent.removeChild( oNode ) ) ;
oNode = oNewBlock.nextSibling ;
}
else
{
if ( oNewBlock )
{
FCKDomTools.TrimNode( oNewBlock ) ;
oNewBlock = null ;
}
oNode = oNode.nextSibling ;
}
}
if ( oNewBlock )
FCKDomTools.TrimNode( oNewBlock ) ;
},
GetData : function( format )
{
// We assume that if the user is in source editing, the editor value must
// represent the exact contents of the source, as the user wanted it to be.
if ( FCK.EditMode == FCK_EDITMODE_SOURCE )
return FCK.EditingArea.Textarea.value ;
this.FixBody() ;
var oDoc = FCK.EditorDocument ;
if ( !oDoc )
return null ;
var isFullPage = FCKConfig.FullPage ;
// Call the Data Processor to generate the output data.
var data = FCK.DataProcessor.ConvertToDataFormat(
isFullPage ? oDoc.documentElement : oDoc.body,
!isFullPage,
FCKConfig.IgnoreEmptyParagraphValue,
format ) ;
// Restore protected attributes.
data = FCK.ProtectEventsRestore( data ) ;
if ( FCKBrowserInfo.IsIE )
data = data.replace( FCKRegexLib.ToReplace, '$1' ) ;
if ( isFullPage )
{
if ( FCK.DocTypeDeclaration && FCK.DocTypeDeclaration.length > 0 )
data = FCK.DocTypeDeclaration + '\n' + data ;
if ( FCK.XmlDeclaration && FCK.XmlDeclaration.length > 0 )
data = FCK.XmlDeclaration + '\n' + data ;
}
return FCKConfig.ProtectedSource.Revert( data ) ;
},
UpdateLinkedField : function()
{
var value = FCK.GetXHTML( FCKConfig.FormatOutput ) ;
if ( FCKConfig.HtmlEncodeOutput )
value = FCKTools.HTMLEncode( value ) ;
FCK.LinkedField.value = value ;
FCK.Events.FireEvent( 'OnAfterLinkedFieldUpdate' ) ;
},
RegisteredDoubleClickHandlers : new Object(),
OnDoubleClick : function( element )
{
var oCalls = FCK.RegisteredDoubleClickHandlers[ element.tagName.toUpperCase() ] ;
if ( oCalls )
{
for ( var i = 0 ; i < oCalls.length ; i++ )
oCalls[ i ]( element ) ;
}
// Generic handler for any element
oCalls = FCK.RegisteredDoubleClickHandlers[ '*' ] ;
if ( oCalls )
{
for ( var i = 0 ; i < oCalls.length ; i++ )
oCalls[ i ]( element ) ;
}
},
// Register objects that can handle double click operations.
RegisterDoubleClickHandler : function( handlerFunction, tag )
{
var nodeName = tag || '*' ;
nodeName = nodeName.toUpperCase() ;
var aTargets ;
if ( !( aTargets = FCK.RegisteredDoubleClickHandlers[ nodeName ] ) )
FCK.RegisteredDoubleClickHandlers[ nodeName ] = [ handlerFunction ] ;
else
{
// Check that the event handler isn't already registered with the same listener
// It doesn't detect function pointers belonging to an object (at least in Gecko)
if ( aTargets.IndexOf( handlerFunction ) == -1 )
aTargets.push( handlerFunction ) ;
}
},
OnAfterSetHTML : function()
{
FCKDocumentProcessor.Process( FCK.EditorDocument ) ;
FCKUndo.SaveUndoStep() ;
FCK.Events.FireEvent( 'OnSelectionChange' ) ;
FCK.Events.FireEvent( 'OnAfterSetHTML' ) ;
},
// Saves URLs on links and images on special attributes, so they don't change when
// moving around.
ProtectUrls : function( html )
{
// <A> href
html = html.replace( FCKRegexLib.ProtectUrlsA , '$& _fcksavedurl=$1' ) ;
// <IMG> src
html = html.replace( FCKRegexLib.ProtectUrlsImg , '$& _fcksavedurl=$1' ) ;
// <AREA> href
html = html.replace( FCKRegexLib.ProtectUrlsArea , '$& _fcksavedurl=$1' ) ;
return html ;
},
// Saves event attributes (like onclick) so they don't get executed while
// editing.
ProtectEvents : function( html )
{
return html.replace( FCKRegexLib.TagsWithEvent, _FCK_ProtectEvents_ReplaceTags ) ;
},
ProtectEventsRestore : function( html )
{
return html.replace( FCKRegexLib.ProtectedEvents, _FCK_ProtectEvents_RestoreEvents ) ;
},
ProtectTags : function( html )
{
var sTags = FCKConfig.ProtectedTags ;
// IE doesn't support <abbr> and it breaks it. Let's protect it.
if ( FCKBrowserInfo.IsIE )
sTags += sTags.length > 0 ? '|ABBR|XML|EMBED|OBJECT' : 'ABBR|XML|EMBED|OBJECT' ;
var oRegex ;
if ( sTags.length > 0 )
{
oRegex = new RegExp( '<(' + sTags + ')(?!\w|:)', 'gi' ) ;
html = html.replace( oRegex, '<FCK:$1' ) ;
oRegex = new RegExp( '<\/(' + sTags + ')>', 'gi' ) ;
html = html.replace( oRegex, '<\/FCK:$1>' ) ;
}
// Protect some empty elements. We must do it separately because the
// original tag may not contain the closing slash, like <hr>:
// - <meta> tags get executed, so if you have a redirect meta, the
// content will move to the target page.
// - <hr> may destroy the document structure if not well
// positioned. The trick is protect it here and restore them in
// the FCKDocumentProcessor.
sTags = 'META' ;
if ( FCKBrowserInfo.IsIE )
sTags += '|HR' ;
oRegex = new RegExp( '<((' + sTags + ')(?=\\s|>|/)[\\s\\S]*?)/?>', 'gi' ) ;
html = html.replace( oRegex, '<FCK:$1 />' ) ;
return html ;
},
SetData : function( data, resetIsDirty )
{
this.EditingArea.Mode = FCK.EditMode ;
// If there was an onSelectionChange listener in IE we must remove it to avoid crashes #1498
if ( FCKBrowserInfo.IsIE && FCK.EditorDocument )
{
FCK.EditorDocument.detachEvent("onselectionchange", Doc_OnSelectionChange ) ;
}
FCKTempBin.Reset() ;
// Bug #2469: SelectionData.createRange becomes undefined after the editor
// iframe is changed by FCK.SetData().
FCK.Selection.Release() ;
if ( FCK.EditMode == FCK_EDITMODE_WYSIWYG )
{
// Save the resetIsDirty for later use (async)
this._ForceResetIsDirty = ( resetIsDirty === true ) ;
// Protect parts of the code that must remain untouched (and invisible)
// during editing.
data = FCKConfig.ProtectedSource.Protect( data ) ;
// Call the Data Processor to transform the data.
data = FCK.DataProcessor.ConvertToHtml( data ) ;
// Fix for invalid self-closing tags (see #152).
data = data.replace( FCKRegexLib.InvalidSelfCloseTags, '$1></$2>' ) ;
// Protect event attributes (they could get fired in the editing area).
data = FCK.ProtectEvents( data ) ;
// Protect some things from the browser itself.
data = FCK.ProtectUrls( data ) ;
data = FCK.ProtectTags( data ) ;
// Insert the base tag (FCKConfig.BaseHref), if not exists in the source.
// The base must be the first tag in the HEAD, to get relative
// links on styles, for example.
if ( FCK.TempBaseTag.length > 0 && !FCKRegexLib.HasBaseTag.test( data ) )
data = data.replace( FCKRegexLib.HeadOpener, '$&' + FCK.TempBaseTag ) ;
// Build the HTML for the additional things we need on <head>.
var sHeadExtra = '' ;
if ( !FCKConfig.FullPage )
sHeadExtra += _FCK_GetEditorAreaStyleTags() ;
if ( FCKBrowserInfo.IsIE )
sHeadExtra += FCK._GetBehaviorsStyle() ;
else if ( FCKConfig.ShowBorders )
sHeadExtra += FCKTools.GetStyleHtml( FCK_ShowTableBordersCSS, true ) ;
sHeadExtra += FCKTools.GetStyleHtml( FCK_InternalCSS, true ) ;
// Attention: do not change it before testing it well (sample07)!
// This is tricky... if the head ends with <meta ... content type>,
// Firefox will break. But, it works if we place our extra stuff as
// the last elements in the HEAD.
data = data.replace( FCKRegexLib.HeadCloser, sHeadExtra + '$&' ) ;
// Load the HTML in the editing area.
this.EditingArea.OnLoad = _FCK_EditingArea_OnLoad ;
this.EditingArea.Start( data ) ;
}
else
{
// Remove the references to the following elements, as the editing area
// IFRAME will be removed.
FCK.EditorWindow = null ;
FCK.EditorDocument = null ;
FCKDomTools.PaddingNode = null ;
this.EditingArea.OnLoad = null ;
this.EditingArea.Start( data ) ;
// Enables the context menu in the textarea.
this.EditingArea.Textarea._FCKShowContextMenu = true ;
// Removes the enter key handler.
FCK.EnterKeyHandler = null ;
if ( resetIsDirty )
this.ResetIsDirty() ;
// Listen for keystroke events.
FCK.KeystrokeHandler.AttachToElement( this.EditingArea.Textarea ) ;
this.EditingArea.Textarea.focus() ;
FCK.Events.FireEvent( 'OnAfterSetHTML' ) ;
}
if ( FCKBrowserInfo.IsGecko )
window.onresize() ;
},
// This collection is used by the browser specific implementations to tell
// which named commands must be handled separately.
RedirectNamedCommands : new Object(),
ExecuteNamedCommand : function( commandName, commandParameter, noRedirect, noSaveUndo )
{
if ( !noSaveUndo )
FCKUndo.SaveUndoStep() ;
if ( !noRedirect && FCK.RedirectNamedCommands[ commandName ] != null )
FCK.ExecuteRedirectedNamedCommand( commandName, commandParameter ) ;
else
{
FCK.Focus() ;
FCK.EditorDocument.execCommand( commandName, false, commandParameter ) ;
FCK.Events.FireEvent( 'OnSelectionChange' ) ;
}
if ( !noSaveUndo )
FCKUndo.SaveUndoStep() ;
},
GetNamedCommandState : function( commandName )
{
try
{
// Bug #50 : Safari never returns positive state for the Paste command, override that.
if ( FCKBrowserInfo.IsSafari && FCK.EditorWindow && commandName.IEquals( 'Paste' ) )
return FCK_TRISTATE_OFF ;
if ( !FCK.EditorDocument.queryCommandEnabled( commandName ) )
return FCK_TRISTATE_DISABLED ;
else
{
return FCK.EditorDocument.queryCommandState( commandName ) ? FCK_TRISTATE_ON : FCK_TRISTATE_OFF ;
}
}
catch ( e )
{
return FCK_TRISTATE_OFF ;
}
},
GetNamedCommandValue : function( commandName )
{
var sValue = '' ;
var eState = FCK.GetNamedCommandState( commandName ) ;
if ( eState == FCK_TRISTATE_DISABLED )
return null ;
try
{
sValue = this.EditorDocument.queryCommandValue( commandName ) ;
}
catch(e) {}
return sValue ? sValue : '' ;
},
Paste : function( _callListenersOnly )
{
// First call 'OnPaste' listeners.
if ( FCK.Status != FCK_STATUS_COMPLETE || !FCK.Events.FireEvent( 'OnPaste' ) )
return false ;
// Then call the default implementation.
return _callListenersOnly || FCK._ExecPaste() ;
},
PasteFromWord : function()
{
FCKDialog.OpenDialog( 'FCKDialog_Paste', FCKLang.PasteFromWord, 'dialog/fck_paste.html', 400, 330, 'Word' ) ;
},
Preview : function()
{
var sHTML ;
if ( FCKConfig.FullPage )
{
if ( FCK.TempBaseTag.length > 0 )
sHTML = FCK.TempBaseTag + FCK.GetXHTML() ;
else
sHTML = FCK.GetXHTML() ;
}
else
{
sHTML =
FCKConfig.DocType +
'<html dir="' + FCKConfig.ContentLangDirection + '">' +
'<head>' +
FCK.TempBaseTag +
'<title>' + FCKLang.Preview + '</title>' +
_FCK_GetEditorAreaStyleTags() +
'</head><body' + FCKConfig.GetBodyAttributes() + '>' +
FCK.GetXHTML() +
'</body></html>' ;
}
var iWidth = FCKConfig.ScreenWidth * 0.8 ;
var iHeight = FCKConfig.ScreenHeight * 0.7 ;
var iLeft = ( FCKConfig.ScreenWidth - iWidth ) / 2 ;
var sOpenUrl = '' ;
if ( FCK_IS_CUSTOM_DOMAIN && FCKBrowserInfo.IsIE)
{
window._FCKHtmlToLoad = sHTML ;
sOpenUrl = 'javascript:void( (function(){' +
'document.open() ;' +
'document.domain="' + document.domain + '" ;' +
'document.write( window.opener._FCKHtmlToLoad );' +
'document.close() ;' +
'window.opener._FCKHtmlToLoad = null ;' +
'})() )' ;
}
var oWindow = window.open( sOpenUrl, null, 'toolbar=yes,location=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes,width=' + iWidth + ',height=' + iHeight + ',left=' + iLeft ) ;
if ( !FCK_IS_CUSTOM_DOMAIN || !FCKBrowserInfo.IsIE)
{
oWindow.document.write( sHTML );
oWindow.document.close();
}
},
SwitchEditMode : function( noUndo )
{
var bIsWysiwyg = ( FCK.EditMode == FCK_EDITMODE_WYSIWYG ) ;
// Save the current IsDirty state, so we may restore it after the switch.
var bIsDirty = FCK.IsDirty() ;
var sHtml ;
// Update the HTML in the view output to show, also update
// FCKTempBin for IE to avoid #2263.
if ( bIsWysiwyg )
{
FCKCommands.GetCommand( 'ShowBlocks' ).SaveState() ;
if ( !noUndo && FCKBrowserInfo.IsIE )
FCKUndo.SaveUndoStep() ;
sHtml = FCK.GetXHTML( FCKConfig.FormatSource ) ;
if ( FCKBrowserInfo.IsIE )
FCKTempBin.ToHtml() ;
if ( sHtml == null )
return false ;
}
else
sHtml = this.EditingArea.Textarea.value ;
FCK.EditMode = bIsWysiwyg ? FCK_EDITMODE_SOURCE : FCK_EDITMODE_WYSIWYG ;
FCK.SetData( sHtml, !bIsDirty ) ;
// Set the Focus.
FCK.Focus() ;
// Update the toolbar (Running it directly causes IE to fail).
FCKTools.RunFunction( FCK.ToolbarSet.RefreshModeState, FCK.ToolbarSet ) ;
return true ;
},
InsertElement : function( element )
{
// The parameter may be a string (element name), so transform it in an element.
if ( typeof element == 'string' )
element = this.EditorDocument.createElement( element ) ;
var elementName = element.nodeName.toLowerCase() ;
FCKSelection.Restore() ;
// Create a range for the selection. V3 will have a new selection
// object that may internally supply this feature.
var range = new FCKDomRange( this.EditorWindow ) ;
// Move to the selection and delete it.
range.MoveToSelection() ;
range.DeleteContents() ;
if ( FCKListsLib.BlockElements[ elementName ] != null )
{
if ( range.StartBlock )
{
if ( range.CheckStartOfBlock() )
range.MoveToPosition( range.StartBlock, 3 ) ;
else if ( range.CheckEndOfBlock() )
range.MoveToPosition( range.StartBlock, 4 ) ;
else
range.SplitBlock() ;
}
range.InsertNode( element ) ;
var next = FCKDomTools.GetNextSourceElement( element, false, null, [ 'hr','br','param','img','area','input' ], true ) ;
// Be sure that we have something after the new element, so we can move the cursor there.
if ( !next && FCKConfig.EnterMode != 'br')
{
next = this.EditorDocument.body.appendChild( this.EditorDocument.createElement( FCKConfig.EnterMode ) ) ;
if ( FCKBrowserInfo.IsGeckoLike )
FCKTools.AppendBogusBr( next ) ;
}
if ( FCKListsLib.EmptyElements[ elementName ] == null )
range.MoveToElementEditStart( element ) ;
else if ( next )
range.MoveToElementEditStart( next ) ;
else
range.MoveToPosition( element, 4 ) ;
if ( FCKBrowserInfo.IsGeckoLike )
{
if ( next )
FCKDomTools.ScrollIntoView( next, false );
FCKDomTools.ScrollIntoView( element, false );
}
}
else
{
// Insert the node.
range.InsertNode( element ) ;
// Move the selection right after the new element.
// DISCUSSION: Should we select the element instead?
range.SetStart( element, 4 ) ;
range.SetEnd( element, 4 ) ;
}
range.Select() ;
range.Release() ;
// REMOVE IT: The focus should not really be set here. It is up to the
// calling code to reset the focus if needed.
this.Focus() ;
return element ;
},
_InsertBlockElement : function( blockElement )
{
},
_IsFunctionKey : function( keyCode )
{
// keys that are captured but do not change editor contents
if ( keyCode >= 16 && keyCode <= 20 )
// shift, ctrl, alt, pause, capslock
return true ;
if ( keyCode == 27 || ( keyCode >= 33 && keyCode <= 40 ) )
// esc, page up, page down, end, home, left, up, right, down
return true ;
if ( keyCode == 45 )
// insert, no effect on FCKeditor, yet
return true ;
return false ;
},
_KeyDownListener : function( evt )
{
if (! evt)
evt = FCK.EditorWindow.event ;
if ( FCK.EditorWindow )
{
if ( !FCK._IsFunctionKey(evt.keyCode) // do not capture function key presses, like arrow keys or shift/alt/ctrl
&& !(evt.ctrlKey || evt.metaKey) // do not capture Ctrl hotkeys, as they have their snapshot capture logic
&& !(evt.keyCode == 46) ) // do not capture Del, it has its own capture logic in fckenterkey.js
FCK._KeyDownUndo() ;
}
return true ;
},
_KeyDownUndo : function()
{
if ( !FCKUndo.Typing )
{
FCKUndo.SaveUndoStep() ;
FCKUndo.Typing = true ;
FCK.Events.FireEvent( "OnSelectionChange" ) ;
}
FCKUndo.TypesCount++ ;
FCKUndo.Changed = 1 ;
if ( FCKUndo.TypesCount > FCKUndo.MaxTypes )
{
FCKUndo.TypesCount = 0 ;
FCKUndo.SaveUndoStep() ;
}
},
_TabKeyHandler : function( evt )
{
if ( ! evt )
evt = window.event ;
var keystrokeValue = evt.keyCode ;
// Pressing <Tab> in source mode should produce a tab space in the text area, not
// changing the focus to something else.
if ( keystrokeValue == 9 && FCK.EditMode != FCK_EDITMODE_WYSIWYG )
{
if ( FCKBrowserInfo.IsIE )
{
var range = document.selection.createRange() ;
if ( range.parentElement() != FCK.EditingArea.Textarea )
return true ;
range.text = '\t' ;
range.select() ;
}
else
{
var a = [] ;
var el = FCK.EditingArea.Textarea ;
var selStart = el.selectionStart ;
var selEnd = el.selectionEnd ;
a.push( el.value.substr(0, selStart ) ) ;
a.push( '\t' ) ;
a.push( el.value.substr( selEnd ) ) ;
el.value = a.join( '' ) ;
el.setSelectionRange( selStart + 1, selStart + 1 ) ;
}
if ( evt.preventDefault )
return evt.preventDefault() ;
return evt.returnValue = false ;
}
return true ;
}
} ;
FCK.Events = new FCKEvents( FCK ) ;
// DEPRECATED in favor or "GetData".
FCK.GetHTML = FCK.GetXHTML = FCK.GetData ;
// DEPRECATED in favor of "SetData".
FCK.SetHTML = FCK.SetData ;
// InsertElementAndGetIt and CreateElement are Deprecated : returns the same value as InsertElement.
FCK.InsertElementAndGetIt = FCK.CreateElement = FCK.InsertElement ;
// Replace all events attributes (like onclick).
function _FCK_ProtectEvents_ReplaceTags( tagMatch )
{
return tagMatch.replace( FCKRegexLib.EventAttributes, _FCK_ProtectEvents_ReplaceEvents ) ;
}
// Replace an event attribute with its respective __fckprotectedatt attribute.
// The original event markup will be encoded and saved as the value of the new
// attribute.
function _FCK_ProtectEvents_ReplaceEvents( eventMatch, attName )
{
return ' ' + attName + '_fckprotectedatt="' + encodeURIComponent( eventMatch ) + '"' ;
}
function _FCK_ProtectEvents_RestoreEvents( match, encodedOriginal )
{
return decodeURIComponent( encodedOriginal ) ;
}
function _FCK_MouseEventsListener( evt )
{
if ( ! evt )
evt = window.event ;
if ( evt.type == 'mousedown' )
FCK.MouseDownFlag = true ;
else if ( evt.type == 'mouseup' )
FCK.MouseDownFlag = false ;
else if ( evt.type == 'mousemove' )
FCK.Events.FireEvent( 'OnMouseMove', evt ) ;
}
function _FCK_PaddingNodeListener()
{
if ( FCKConfig.EnterMode.IEquals( 'br' ) )
return ;
FCKDomTools.EnforcePaddingNode( FCK.EditorDocument, FCKConfig.EnterMode ) ;
if ( ! FCKBrowserInfo.IsIE && FCKDomTools.PaddingNode )
{
// Prevent the caret from going between the body and the padding node in Firefox.
// i.e. <body>|<p></p></body>
var sel = FCKSelection.GetSelection() ;
if ( sel && sel.rangeCount == 1 )
{
var range = sel.getRangeAt( 0 ) ;
if ( range.collapsed && range.startContainer == FCK.EditorDocument.body && range.startOffset == 0 )
{
range.selectNodeContents( FCKDomTools.PaddingNode ) ;
range.collapse( true ) ;
sel.removeAllRanges() ;
sel.addRange( range ) ;
}
}
}
else if ( FCKDomTools.PaddingNode )
{
// Prevent the caret from going into an empty body but not into the padding node in IE.
// i.e. <body><p></p>|</body>
var parentElement = FCKSelection.GetParentElement() ;
var paddingNode = FCKDomTools.PaddingNode ;
if ( parentElement && parentElement.nodeName.IEquals( 'body' ) )
{
if ( FCK.EditorDocument.body.childNodes.length == 1
&& FCK.EditorDocument.body.firstChild == paddingNode )
{
/*
* Bug #1764: Don't move the selection if the
* current selection isn't in the editor
* document.
*/
if ( FCKSelection._GetSelectionDocument( FCK.EditorDocument.selection ) != FCK.EditorDocument )
return ;
var range = FCK.EditorDocument.body.createTextRange() ;
var clearContents = false ;
if ( !paddingNode.childNodes.firstChild )
{
paddingNode.appendChild( FCKTools.GetElementDocument( paddingNode ).createTextNode( '\ufeff' ) ) ;
clearContents = true ;
}
range.moveToElementText( paddingNode ) ;
range.select() ;
if ( clearContents )
range.pasteHTML( '' ) ;
}
}
}
}
function _FCK_EditingArea_OnLoad()
{
// Get the editor's window and document (DOM)
FCK.EditorWindow = FCK.EditingArea.Window ;
FCK.EditorDocument = FCK.EditingArea.Document ;
if ( FCKBrowserInfo.IsIE )
FCKTempBin.ToElements() ;
FCK.InitializeBehaviors() ;
// Listen for mousedown and mouseup events for tracking drag and drops.
FCK.MouseDownFlag = false ;
FCKTools.AddEventListener( FCK.EditorDocument, 'mousemove', _FCK_MouseEventsListener ) ;
FCKTools.AddEventListener( FCK.EditorDocument, 'mousedown', _FCK_MouseEventsListener ) ;
FCKTools.AddEventListener( FCK.EditorDocument, 'mouseup', _FCK_MouseEventsListener ) ;
// Most of the CTRL key combos do not work under Safari for onkeydown and onkeypress (See #1119)
// But we can use the keyup event to override some of these...
if ( FCKBrowserInfo.IsSafari )
{
var undoFunc = function( evt )
{
if ( ! ( evt.ctrlKey || evt.metaKey ) )
return ;
if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
return ;
switch ( evt.keyCode )
{
case 89:
FCKUndo.Redo() ;
break ;
case 90:
FCKUndo.Undo() ;
break ;
}
}
FCKTools.AddEventListener( FCK.EditorDocument, 'keyup', undoFunc ) ;
}
// Create the enter key handler
FCK.EnterKeyHandler = new FCKEnterKey( FCK.EditorWindow, FCKConfig.EnterMode, FCKConfig.ShiftEnterMode, FCKConfig.TabSpaces ) ;
// Listen for keystroke events.
FCK.KeystrokeHandler.AttachToElement( FCK.EditorDocument ) ;
if ( FCK._ForceResetIsDirty )
FCK.ResetIsDirty() ;
// This is a tricky thing for IE. In some cases, even if the cursor is
// blinking in the editing, the keystroke handler doesn't catch keyboard
// events. We must activate the editing area to make it work. (#142).
if ( FCKBrowserInfo.IsIE && FCK.HasFocus )
FCK.EditorDocument.body.setActive() ;
FCK.OnAfterSetHTML() ;
// Restore show blocks status.
FCKCommands.GetCommand( 'ShowBlocks' ).RestoreState() ;
// Check if it is not a startup call, otherwise complete the startup.
if ( FCK.Status != FCK_STATUS_NOTLOADED )
return ;
FCK.SetStatus( FCK_STATUS_ACTIVE ) ;
}
function _FCK_GetEditorAreaStyleTags()
{
return FCKTools.GetStyleHtml( FCKConfig.EditorAreaCSS ) +
FCKTools.GetStyleHtml( FCKConfig.EditorAreaStyles ) ;
}
function _FCK_KeystrokeHandler_OnKeystroke( keystroke, keystrokeValue )
{
if ( FCK.Status != FCK_STATUS_COMPLETE )
return false ;
if ( FCK.EditMode == FCK_EDITMODE_WYSIWYG )
{
switch ( keystrokeValue )
{
case 'Paste' :
return !FCK.Paste() ;
case 'Cut' :
FCKUndo.SaveUndoStep() ;
return false ;
}
}
else
{
// In source mode, some actions must have their default behavior.
if ( keystrokeValue.Equals( 'Paste', 'Undo', 'Redo', 'SelectAll', 'Cut' ) )
return false ;
}
// The return value indicates if the default behavior of the keystroke must
// be cancelled. Let's do that only if the Execute() call explicitly returns "false".
var oCommand = FCK.Commands.GetCommand( keystrokeValue ) ;
// If the command is disabled then ignore the keystroke
if ( oCommand.GetState() == FCK_TRISTATE_DISABLED )
return false ;
return ( oCommand.Execute.apply( oCommand, FCKTools.ArgumentsToArray( arguments, 2 ) ) !== false ) ;
}
// Set the FCK.LinkedField reference to the field that will be used to post the
// editor data.
(function()
{
// There is a bug on IE... getElementById returns any META tag that has the
// name set to the ID you are looking for. So the best way in to get the array
// by names and look for the correct one.
// As ASP.Net generates a ID that is different from the Name, we must also
// look for the field based on the ID (the first one is the ID).
var oDocument = window.parent.document ;
// Try to get the field using the ID.
var eLinkedField = oDocument.getElementById( FCK.Name ) ;
var i = 0;
while ( eLinkedField || i == 0 )
{
if ( eLinkedField && eLinkedField.tagName.toLowerCase().Equals( 'input', 'textarea' ) )
{
FCK.LinkedField = eLinkedField ;
break ;
}
eLinkedField = oDocument.getElementsByName( FCK.Name )[i++] ;
}
})() ;
var FCKTempBin =
{
Elements : new Array(),
AddElement : function( element )
{
var iIndex = this.Elements.length ;
this.Elements[ iIndex ] = element ;
return iIndex ;
},
RemoveElement : function( index )
{
var e = this.Elements[ index ] ;
this.Elements[ index ] = null ;
return e ;
},
Reset : function()
{
var i = 0 ;
while ( i < this.Elements.length )
this.Elements[ i++ ] = null ;
this.Elements.length = 0 ;
},
ToHtml : function()
{
for ( var i = 0 ; i < this.Elements.length ; i++ )
{
this.Elements[i] = '<div>&nbsp;' + this.Elements[i].outerHTML + '</div>' ;
this.Elements[i].isHtml = true ;
}
},
ToElements : function()
{
var node = FCK.EditorDocument.createElement( 'div' ) ;
for ( var i = 0 ; i < this.Elements.length ; i++ )
{
if ( this.Elements[i].isHtml )
{
node.innerHTML = this.Elements[i] ;
this.Elements[i] = node.firstChild.removeChild( node.firstChild.lastChild ) ;
}
}
}
} ;
// # Focus Manager: Manages the focus in the editor.
var FCKFocusManager = FCK.FocusManager =
{
IsLocked : false,
AddWindow : function( win, sendToEditingArea )
{
var oTarget ;
if ( FCKBrowserInfo.IsIE )
oTarget = win.nodeType == 1 ? win : win.frameElement ? win.frameElement : win.document ;
else if ( FCKBrowserInfo.IsSafari )
oTarget = win ;
else
oTarget = win.document ;
FCKTools.AddEventListener( oTarget, 'blur', FCKFocusManager_Win_OnBlur ) ;
FCKTools.AddEventListener( oTarget, 'focus', sendToEditingArea ? FCKFocusManager_Win_OnFocus_Area : FCKFocusManager_Win_OnFocus ) ;
},
RemoveWindow : function( win )
{
if ( FCKBrowserInfo.IsIE )
oTarget = win.nodeType == 1 ? win : win.frameElement ? win.frameElement : win.document ;
else
oTarget = win.document ;
FCKTools.RemoveEventListener( oTarget, 'blur', FCKFocusManager_Win_OnBlur ) ;
FCKTools.RemoveEventListener( oTarget, 'focus', FCKFocusManager_Win_OnFocus_Area ) ;
FCKTools.RemoveEventListener( oTarget, 'focus', FCKFocusManager_Win_OnFocus ) ;
},
Lock : function()
{
this.IsLocked = true ;
},
Unlock : function()
{
if ( this._HasPendingBlur )
FCKFocusManager._Timer = window.setTimeout( FCKFocusManager_FireOnBlur, 100 ) ;
this.IsLocked = false ;
},
_ResetTimer : function()
{
this._HasPendingBlur = false ;
if ( this._Timer )
{
window.clearTimeout( this._Timer ) ;
delete this._Timer ;
}
}
} ;
function FCKFocusManager_Win_OnBlur()
{
if ( typeof(FCK) != 'undefined' && FCK.HasFocus )
{
FCKFocusManager._ResetTimer() ;
FCKFocusManager._Timer = window.setTimeout( FCKFocusManager_FireOnBlur, 100 ) ;
}
}
function FCKFocusManager_FireOnBlur()
{
if ( FCKFocusManager.IsLocked )
FCKFocusManager._HasPendingBlur = true ;
else
{
FCK.HasFocus = false ;
FCK.Events.FireEvent( "OnBlur" ) ;
}
}
function FCKFocusManager_Win_OnFocus_Area()
{
// Check if we are already focusing the editor (to avoid loops).
if ( FCKFocusManager._IsFocusing )
return ;
FCKFocusManager._IsFocusing = true ;
FCK.Focus() ;
FCKFocusManager_Win_OnFocus() ;
// The above FCK.Focus() call may trigger other focus related functions.
// So, to avoid a loop, we delay the focusing mark removal, so it get
// executed after all othre functions have been run.
FCKTools.RunFunction( function()
{
delete FCKFocusManager._IsFocusing ;
} ) ;
}
function FCKFocusManager_Win_OnFocus()
{
FCKFocusManager._ResetTimer() ;
if ( !FCK.HasFocus && !FCKFocusManager.IsLocked )
{
FCK.HasFocus = true ;
FCK.Events.FireEvent( "OnFocus" ) ;
}
}
/*
* #1633 : Protect the editor iframe from external styles.
* Notice that we can't use FCKTools.ResetStyles here since FCKTools isn't
* loaded yet.
*/
(function()
{
var el = window.frameElement ;
var width = el.width ;
var height = el.height ;
if ( /^\d+$/.test( width ) ) width += 'px' ;
if ( /^\d+$/.test( height ) ) height += 'px' ;
var style = el.style ;
style.border = style.padding = style.margin = 0 ;
style.backgroundColor = 'transparent';
style.backgroundImage = 'none';
style.width = width ;
style.height = height ;
})() ;
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