fck_link.js
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Created: Sun, Mar 9, 9:50 PM

fck_link.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 ==
	*
	* Scripts related to the Link dialog window (see fck_link.html).
	*/

	var dialog = window.parent ;
	var oEditor = dialog.InnerDialogLoaded() ;

	var FCK = oEditor.FCK ;
	var FCKLang = oEditor.FCKLang ;
	var FCKConfig = oEditor.FCKConfig ;
	var FCKRegexLib = oEditor.FCKRegexLib ;
	var FCKTools = oEditor.FCKTools ;

	//#### Dialog Tabs

	// Set the dialog tabs.
	dialog.AddTab( 'Info', FCKLang.DlgLnkInfoTab ) ;

	if ( !FCKConfig.LinkDlgHideTarget )
	dialog.AddTab( 'Target', FCKLang.DlgLnkTargetTab, true ) ;

	if ( FCKConfig.LinkUpload )
	dialog.AddTab( 'Upload', FCKLang.DlgLnkUpload, true ) ;

	if ( !FCKConfig.LinkDlgHideAdvanced )
	dialog.AddTab( 'Advanced', FCKLang.DlgAdvancedTag ) ;

	// Function called when a dialog tag is selected.
	function OnDialogTabChange( tabCode )
	{
	ShowE('divInfo' , ( tabCode == 'Info' ) ) ;
	ShowE('divTarget' , ( tabCode == 'Target' ) ) ;
	ShowE('divUpload' , ( tabCode == 'Upload' ) ) ;
	ShowE('divAttribs' , ( tabCode == 'Advanced' ) ) ;

	dialog.SetAutoSize( true ) ;
	}

	//#### Regular Expressions library.
	var oRegex = new Object() ;

	oRegex.UriProtocol = /^(((http\|https\|ftp\|news):\/\/)\|mailto:)/gi ;

	oRegex.UrlOnChangeProtocol = /^(http\|https\|ftp\|news):\/\/(?=.)/gi ;

	oRegex.UrlOnChangeTestOther = /^((javascript:)\|[#\/\.])/gi ;

	oRegex.ReserveTarget = /^_(blank\|self\|top\|parent)$/i ;

	oRegex.PopupUri = /^javascript:void$\swindow.open\(\s'([^']+)'\s,\s(?:'([^'])'\|null)\s,\s'([^'])'\s$\s\)\s*$/ ;

	// Accessible popups
	oRegex.OnClickPopup = /^\son[cC]lick="\swindow.open$\sthis\.href\s,\s(?:'([^'])'\|null)\s,\s'([^'])'\s$\s;\sreturn\sfalse;\s*"$/ ;

	oRegex.PopupFeatures = /(?:^\|,)([^=]+)=(\d+\|yes\|no)/gi ;

	//#### Parser Functions

	var oParser = new Object() ;

	// This method simply returns the two inputs in numerical order. You can even
	// provide strings, as the method would parseInt() the values.
	oParser.SortNumerical = function(a, b)
	{
	return parseInt( a, 10 ) - parseInt( b, 10 ) ;
	}

	oParser.ParseEMailParams = function(sParams)
	{
	// Initialize the oEMailParams object.
	var oEMailParams = new Object() ;
	oEMailParams.Subject = '' ;
	oEMailParams.Body = '' ;

	var aMatch = sParams.match( /(^\|^\?\|&)subject=([^&]+)/i ) ;
	if ( aMatch ) oEMailParams.Subject = decodeURIComponent( aMatch[2] ) ;

	aMatch = sParams.match( /(^\|^\?\|&)body=([^&]+)/i ) ;
	if ( aMatch ) oEMailParams.Body = decodeURIComponent( aMatch[2] ) ;

	return oEMailParams ;
	}

	// This method returns either an object containing the email info, or FALSE
	// if the parameter is not an email link.
	oParser.ParseEMailUri = function( sUrl )
	{
	// Initializes the EMailInfo object.
	var oEMailInfo = new Object() ;
	oEMailInfo.Address = '' ;
	oEMailInfo.Subject = '' ;
	oEMailInfo.Body = '' ;

	var aLinkInfo = sUrl.match( /^(\w+):(.*)$/ ) ;
	if ( aLinkInfo && aLinkInfo[1] == 'mailto' )
	{
	// This seems to be an unprotected email link.
	var aParts = aLinkInfo[2].match( /^([^\?]+)\??(.+)?/ ) ;
	if ( aParts )
	{
	// Set the e-mail address.
	oEMailInfo.Address = aParts[1] ;

	// Look for the optional e-mail parameters.
	if ( aParts[2] )
	{
	var oEMailParams = oParser.ParseEMailParams( aParts[2] ) ;
	oEMailInfo.Subject = oEMailParams.Subject ;
	oEMailInfo.Body = oEMailParams.Body ;
	}
	}
	return oEMailInfo ;
	}
	else if ( aLinkInfo && aLinkInfo[1] == 'javascript' )
	{
	// This may be a protected email.

	// Try to match the url against the EMailProtectionFunction.
	var func = FCKConfig.EMailProtectionFunction ;
	if ( func != null )
	{
	try
	{
	// Escape special chars.
	func = func.replace( /([\/^$*+.?()\[\]])/g, '\\$1' ) ;

	// Define the possible keys.
	var keys = new Array('NAME', 'DOMAIN', 'SUBJECT', 'BODY') ;

	// Get the order of the keys (hold them in the array <pos>) and
	// the function replaced by regular expression patterns.
	var sFunc = func ;
	var pos = new Array() ;
	for ( var i = 0 ; i < keys.length ; i ++ )
	{
	var rexp = new RegExp( keys[i] ) ;
	var p = func.search( rexp ) ;
	if ( p >= 0 )
	{
	sFunc = sFunc.replace( rexp, '\'([^\']*)\'' ) ;
	pos[pos.length] = p + ':' + keys[i] ;
	}
	}

	// Sort the available keys.
	pos.sort( oParser.SortNumerical ) ;

	// Replace the excaped single quotes in the url, such they do
	// not affect the regexp afterwards.
	aLinkInfo[2] = aLinkInfo[2].replace( /\\'/g, '###SINGLE_QUOTE###' ) ;

	// Create the regexp and execute it.
	var rFunc = new RegExp( '^' + sFunc + '$' ) ;
	var aMatch = rFunc.exec( aLinkInfo[2] ) ;
	if ( aMatch )
	{
	var aInfo = new Array();
	for ( var i = 1 ; i < aMatch.length ; i ++ )
	{
	var k = pos[i-1].match(/^\d+:(.+)$/) ;
	aInfo[k[1]] = aMatch[i].replace(/###SINGLE_QUOTE###/g, '\'') ;
	}

	// Fill the EMailInfo object that will be returned
	oEMailInfo.Address = aInfo['NAME'] + '@' + aInfo['DOMAIN'] ;
	oEMailInfo.Subject = decodeURIComponent( aInfo['SUBJECT'] ) ;
	oEMailInfo.Body = decodeURIComponent( aInfo['BODY'] ) ;

	return oEMailInfo ;
	}
	}
	catch (e)
	{
	}
	}

	// Try to match the email against the encode protection.
	var aMatch = aLinkInfo[2].match( /^(?:void$)?location\.href='mailto:'\+(String\.fromCharCode\([\d,]+$)\+'(.*)'\)?$/ ) ;
	if ( aMatch )
	{
	// The link is encoded
	oEMailInfo.Address = eval( aMatch[1] ) ;
	if ( aMatch[2] )
	{
	var oEMailParams = oParser.ParseEMailParams( aMatch[2] ) ;
	oEMailInfo.Subject = oEMailParams.Subject ;
	oEMailInfo.Body = oEMailParams.Body ;
	}
	return oEMailInfo ;
	}
	}
	return false;
	}

	oParser.CreateEMailUri = function( address, subject, body )
	{
	// Switch for the EMailProtection setting.
	switch ( FCKConfig.EMailProtection )
	{
	case 'function' :
	var func = FCKConfig.EMailProtectionFunction ;
	if ( func == null )
	{
	if ( FCKConfig.Debug )
	{
	alert('EMailProtection alert!\nNo function defined. Please set "FCKConfig.EMailProtectionFunction"') ;
	}
	return '';
	}

	// Split the email address into name and domain parts.
	var aAddressParts = address.split( '@', 2 ) ;
	if ( aAddressParts[1] == undefined )
	{
	aAddressParts[1] = '' ;
	}

	// Replace the keys by their values (embedded in single quotes).
	func = func.replace(/NAME/g, "'" + aAddressParts[0].replace(/'/g, '\\\'') + "'") ;
	func = func.replace(/DOMAIN/g, "'" + aAddressParts[1].replace(/'/g, '\\\'') + "'") ;
	func = func.replace(/SUBJECT/g, "'" + encodeURIComponent( subject ).replace(/'/g, '\\\'') + "'") ;
	func = func.replace(/BODY/g, "'" + encodeURIComponent( body ).replace(/'/g, '\\\'') + "'") ;

	return 'javascript:' + func ;

	case 'encode' :
	var aParams = [] ;
	var aAddressCode = [] ;

	if ( subject.length > 0 )
	aParams.push( 'subject='+ encodeURIComponent( subject ) ) ;
	if ( body.length > 0 )
	aParams.push( 'body=' + encodeURIComponent( body ) ) ;
	for ( var i = 0 ; i < address.length ; i++ )
	aAddressCode.push( address.charCodeAt( i ) ) ;

	return 'javascript:void(location.href=\'mailto:\'+String.fromCharCode(' + aAddressCode.join( ',' ) + ')+\'?' + aParams.join( '&' ) + '\')' ;
	}

	// EMailProtection 'none'

	var sBaseUri = 'mailto:' + address ;

	var sParams = '' ;

	if ( subject.length > 0 )
	sParams = '?subject=' + encodeURIComponent( subject ) ;

	if ( body.length > 0 )
	{
	sParams += ( sParams.length == 0 ? '?' : '&' ) ;
	sParams += 'body=' + encodeURIComponent( body ) ;
	}

	return sBaseUri + sParams ;
	}

	//#### Initialization Code

	// oLink: The actual selected link in the editor.
	var oLink = dialog.Selection.GetSelection().MoveToAncestorNode( 'A' ) ;
	if ( oLink )
	FCK.Selection.SelectNode( oLink ) ;

	window.onload = function()
	{
	// Translate the dialog box texts.
	oEditor.FCKLanguageManager.TranslatePage(document) ;

	// Fill the Anchor Names and Ids combos.
	LoadAnchorNamesAndIds() ;

	// Load the selected link information (if any).
	LoadSelection() ;

	// Update the dialog box.
	SetLinkType( GetE('cmbLinkType').value ) ;

	// Show/Hide the "Browse Server" button.
	GetE('divBrowseServer').style.display = FCKConfig.LinkBrowser ? '' : 'none' ;

	// Show the initial dialog content.
	GetE('divInfo').style.display = '' ;

	// Set the actual uploader URL.
	if ( FCKConfig.LinkUpload )
	GetE('frmUpload').action = FCKConfig.LinkUploadURL ;

	// Set the default target (from configuration).
	SetDefaultTarget() ;

	// Activate the "OK" button.
	dialog.SetOkButton( true ) ;

	// Select the first field.
	switch( GetE('cmbLinkType').value )
	{
	case 'url' :
	SelectField( 'txtUrl' ) ;
	break ;
	case 'email' :
	SelectField( 'txtEMailAddress' ) ;
	break ;
	case 'anchor' :
	if ( GetE('divSelAnchor').style.display != 'none' )
	SelectField( 'cmbAnchorName' ) ;
	else
	SelectField( 'cmbLinkType' ) ;
	}
	}

	var bHasAnchors ;

	function LoadAnchorNamesAndIds()
	{
	// Since version 2.0, the anchors are replaced in the DOM by IMGs so the user see the icon
	// to edit them. So, we must look for that images now.
	var aAnchors = new Array() ;
	var i ;
	var oImages = oEditor.FCK.EditorDocument.getElementsByTagName( 'IMG' ) ;
	for( i = 0 ; i < oImages.length ; i++ )
	{
	if ( oImages[i].getAttribute('_fckanchor') )
	aAnchors[ aAnchors.length ] = oEditor.FCK.GetRealElement( oImages[i] ) ;
	}

	// Add also real anchors
	var oLinks = oEditor.FCK.EditorDocument.getElementsByTagName( 'A' ) ;
	for( i = 0 ; i < oLinks.length ; i++ )
	{
	if ( oLinks[i].name && ( oLinks[i].name.length > 0 ) )
	aAnchors[ aAnchors.length ] = oLinks[i] ;
	}

	var aIds = FCKTools.GetAllChildrenIds( oEditor.FCK.EditorDocument.body ) ;

	bHasAnchors = ( aAnchors.length > 0 \|\| aIds.length > 0 ) ;

	for ( i = 0 ; i < aAnchors.length ; i++ )
	{
	var sName = aAnchors[i].name ;
	if ( sName && sName.length > 0 )
	FCKTools.AddSelectOption( GetE('cmbAnchorName'), sName, sName ) ;
	}

	for ( i = 0 ; i < aIds.length ; i++ )
	{
	FCKTools.AddSelectOption( GetE('cmbAnchorId'), aIds[i], aIds[i] ) ;
	}

	ShowE( 'divSelAnchor' , bHasAnchors ) ;
	ShowE( 'divNoAnchor' , !bHasAnchors ) ;
	}

	function LoadSelection()
	{
	if ( !oLink ) return ;

	var sType = 'url' ;

	// Get the actual Link href.
	var sHRef = oLink.getAttribute( '_fcksavedurl' ) ;
	if ( sHRef == null )
	sHRef = oLink.getAttribute( 'href' , 2 ) \|\| '' ;

	// Look for a popup javascript link.
	var oPopupMatch = oRegex.PopupUri.exec( sHRef ) ;
	if( oPopupMatch )
	{
	GetE('cmbTarget').value = 'popup' ;
	sHRef = oPopupMatch[1] ;
	FillPopupFields( oPopupMatch[2], oPopupMatch[3] ) ;
	SetTarget( 'popup' ) ;
	}

	// Accessible popups, the popup data is in the onclick attribute
	if ( !oPopupMatch )
	{
	var onclick = oLink.getAttribute( 'onclick_fckprotectedatt' ) ;
	if ( onclick )
	{
	// Decode the protected string
	onclick = decodeURIComponent( onclick ) ;

	oPopupMatch = oRegex.OnClickPopup.exec( onclick ) ;
	if( oPopupMatch )
	{
	GetE( 'cmbTarget' ).value = 'popup' ;
	FillPopupFields( oPopupMatch[1], oPopupMatch[2] ) ;
	SetTarget( 'popup' ) ;
	}
	}
	}

	// Search for the protocol.
	var sProtocol = oRegex.UriProtocol.exec( sHRef ) ;

	// Search for a protected email link.
	var oEMailInfo = oParser.ParseEMailUri( sHRef );

	if ( oEMailInfo )
	{
	sType = 'email' ;

	GetE('txtEMailAddress').value = oEMailInfo.Address ;
	GetE('txtEMailSubject').value = oEMailInfo.Subject ;
	GetE('txtEMailBody').value = oEMailInfo.Body ;
	}
	else if ( sProtocol )
	{
	sProtocol = sProtocol[0].toLowerCase() ;
	GetE('cmbLinkProtocol').value = sProtocol ;

	// Remove the protocol and get the remaining URL.
	var sUrl = sHRef.replace( oRegex.UriProtocol, '' ) ;
	sType = 'url' ;
	GetE('txtUrl').value = sUrl ;
	}
	else if ( sHRef.substr(0,1) == '#' && sHRef.length > 1 ) // It is an anchor link.
	{
	sType = 'anchor' ;
	GetE('cmbAnchorName').value = GetE('cmbAnchorId').value = sHRef.substr(1) ;
	}
	else // It is another type of link.
	{
	sType = 'url' ;

	GetE('cmbLinkProtocol').value = '' ;
	GetE('txtUrl').value = sHRef ;
	}

	if ( !oPopupMatch )
	{
	// Get the target.
	var sTarget = oLink.target ;

	if ( sTarget && sTarget.length > 0 )
	{
	if ( oRegex.ReserveTarget.test( sTarget ) )
	{
	sTarget = sTarget.toLowerCase() ;
	GetE('cmbTarget').value = sTarget ;
	}
	else
	GetE('cmbTarget').value = 'frame' ;
	GetE('txtTargetFrame').value = sTarget ;
	}
	}

	// Get Advances Attributes
	GetE('txtAttId').value = oLink.id ;
	GetE('txtAttName').value = oLink.name ;
	GetE('cmbAttLangDir').value = oLink.dir ;
	GetE('txtAttLangCode').value = oLink.lang ;
	GetE('txtAttAccessKey').value = oLink.accessKey ;
	GetE('txtAttTabIndex').value = oLink.tabIndex <= 0 ? '' : oLink.tabIndex ;
	GetE('txtAttTitle').value = oLink.title ;
	GetE('txtAttContentType').value = oLink.type ;
	GetE('txtAttCharSet').value = oLink.charset ;

	var sClass ;
	if ( oEditor.FCKBrowserInfo.IsIE )
	{
	sClass = oLink.getAttribute('className',2) \|\| '' ;
	// Clean up temporary classes for internal use:
	sClass = sClass.replace( FCKRegexLib.FCK_Class, '' ) ;

	GetE('txtAttStyle').value = oLink.style.cssText ;
	}
	else
	{
	sClass = oLink.getAttribute('class',2) \|\| '' ;
	GetE('txtAttStyle').value = oLink.getAttribute('style',2) \|\| '' ;
	}
	GetE('txtAttClasses').value = sClass ;

	// Update the Link type combo.
	GetE('cmbLinkType').value = sType ;
	}

	//#### Link type selection.
	function SetLinkType( linkType )
	{
	ShowE('divLinkTypeUrl' , (linkType == 'url') ) ;
	ShowE('divLinkTypeAnchor' , (linkType == 'anchor') ) ;
	ShowE('divLinkTypeEMail' , (linkType == 'email') ) ;

	if ( !FCKConfig.LinkDlgHideTarget )
	dialog.SetTabVisibility( 'Target' , (linkType == 'url') ) ;

	if ( FCKConfig.LinkUpload )
	dialog.SetTabVisibility( 'Upload' , (linkType == 'url') ) ;

	if ( !FCKConfig.LinkDlgHideAdvanced )
	dialog.SetTabVisibility( 'Advanced' , (linkType != 'anchor' \|\| bHasAnchors) ) ;

	if ( linkType == 'email' )
	dialog.SetAutoSize( true ) ;
	}

	//#### Target type selection.
	function SetTarget( targetType )
	{
	GetE('tdTargetFrame').style.display = ( targetType == 'popup' ? 'none' : '' ) ;
	GetE('tdPopupName').style.display =
	GetE('tablePopupFeatures').style.display = ( targetType == 'popup' ? '' : 'none' ) ;

	switch ( targetType )
	{
	case "_blank" :
	case "_self" :
	case "_parent" :
	case "_top" :
	GetE('txtTargetFrame').value = targetType ;
	break ;
	case "" :
	GetE('txtTargetFrame').value = '' ;
	break ;
	}

	if ( targetType == 'popup' )
	dialog.SetAutoSize( true ) ;
	}

	//#### Called while the user types the URL.
	function OnUrlChange()
	{
	var sUrl = GetE('txtUrl').value ;
	var sProtocol = oRegex.UrlOnChangeProtocol.exec( sUrl ) ;

	if ( sProtocol )
	{
	sUrl = sUrl.substr( sProtocol[0].length ) ;
	GetE('txtUrl').value = sUrl ;
	GetE('cmbLinkProtocol').value = sProtocol[0].toLowerCase() ;
	}
	else if ( oRegex.UrlOnChangeTestOther.test( sUrl ) )
	{
	GetE('cmbLinkProtocol').value = '' ;
	}
	}

	//#### Called while the user types the target name.
	function OnTargetNameChange()
	{
	var sFrame = GetE('txtTargetFrame').value ;

	if ( sFrame.length == 0 )
	GetE('cmbTarget').value = '' ;
	else if ( oRegex.ReserveTarget.test( sFrame ) )
	GetE('cmbTarget').value = sFrame.toLowerCase() ;
	else
	GetE('cmbTarget').value = 'frame' ;
	}

	// Accessible popups
	function BuildOnClickPopup()
	{
	var sWindowName = "'" + GetE('txtPopupName').value.replace(/\W/gi, "") + "'" ;

	var sFeatures = '' ;
	var aChkFeatures = document.getElementsByName( 'chkFeature' ) ;
	for ( var i = 0 ; i < aChkFeatures.length ; i++ )
	{
	if ( i > 0 ) sFeatures += ',' ;
	sFeatures += aChkFeatures[i].value + '=' + ( aChkFeatures[i].checked ? 'yes' : 'no' ) ;
	}

	if ( GetE('txtPopupWidth').value.length > 0 ) sFeatures += ',width=' + GetE('txtPopupWidth').value ;
	if ( GetE('txtPopupHeight').value.length > 0 ) sFeatures += ',height=' + GetE('txtPopupHeight').value ;
	if ( GetE('txtPopupLeft').value.length > 0 ) sFeatures += ',left=' + GetE('txtPopupLeft').value ;
	if ( GetE('txtPopupTop').value.length > 0 ) sFeatures += ',top=' + GetE('txtPopupTop').value ;

	if ( sFeatures != '' )
	sFeatures = sFeatures + ",status" ;

	return ( "window.open(this.href," + sWindowName + ",'" + sFeatures + "'); return false" ) ;
	}

	//#### Fills all Popup related fields.
	function FillPopupFields( windowName, features )
	{
	if ( windowName )
	GetE('txtPopupName').value = windowName ;

	var oFeatures = new Object() ;
	var oFeaturesMatch ;
	while( ( oFeaturesMatch = oRegex.PopupFeatures.exec( features ) ) != null )
	{
	var sValue = oFeaturesMatch[2] ;
	if ( sValue == ( 'yes' \|\| '1' ) )
	oFeatures[ oFeaturesMatch[1] ] = true ;
	else if ( ! isNaN( sValue ) && sValue != 0 )
	oFeatures[ oFeaturesMatch[1] ] = sValue ;
	}

	// Update all features check boxes.
	var aChkFeatures = document.getElementsByName('chkFeature') ;
	for ( var i = 0 ; i < aChkFeatures.length ; i++ )
	{
	if ( oFeatures[ aChkFeatures[i].value ] )
	aChkFeatures[i].checked = true ;
	}

	// Update position and size text boxes.
	if ( oFeatures['width'] ) GetE('txtPopupWidth').value = oFeatures['width'] ;
	if ( oFeatures['height'] ) GetE('txtPopupHeight').value = oFeatures['height'] ;
	if ( oFeatures['left'] ) GetE('txtPopupLeft').value = oFeatures['left'] ;
	if ( oFeatures['top'] ) GetE('txtPopupTop').value = oFeatures['top'] ;
	}

	//#### The OK button was hit.
	function Ok()
	{
	var sUri, sInnerHtml ;
	oEditor.FCKUndo.SaveUndoStep() ;

	switch ( GetE('cmbLinkType').value )
	{
	case 'url' :
	sUri = GetE('txtUrl').value ;

	if ( sUri.length == 0 )
	{
	alert( FCKLang.DlnLnkMsgNoUrl ) ;
	return false ;
	}

	sUri = GetE('cmbLinkProtocol').value + sUri ;

	break ;

	case 'email' :
	sUri = GetE('txtEMailAddress').value ;

	if ( sUri.length == 0 )
	{
	alert( FCKLang.DlnLnkMsgNoEMail ) ;
	return false ;
	}

	sUri = oParser.CreateEMailUri(
	sUri,
	GetE('txtEMailSubject').value,
	GetE('txtEMailBody').value ) ;
	break ;

	case 'anchor' :
	var sAnchor = GetE('cmbAnchorName').value ;
	if ( sAnchor.length == 0 ) sAnchor = GetE('cmbAnchorId').value ;

	if ( sAnchor.length == 0 )
	{
	alert( FCKLang.DlnLnkMsgNoAnchor ) ;
	return false ;
	}

	sUri = '#' + sAnchor ;
	break ;
	}

	// If no link is selected, create a new one (it may result in more than one link creation - #220).
	var aLinks = oLink ? [ oLink ] : oEditor.FCK.CreateLink( sUri, true ) ;

	// If no selection, no links are created, so use the uri as the link text (by dom, 2006-05-26)
	var aHasSelection = ( aLinks.length > 0 ) ;
	if ( !aHasSelection )
	{
	sInnerHtml = sUri;

	// Built a better text for empty links.
	switch ( GetE('cmbLinkType').value )
	{
	// anchor: use old behavior --> return true
	case 'anchor':
	sInnerHtml = sInnerHtml.replace( /^#/, '' ) ;
	break ;

	// url: try to get path
	case 'url':
	var oLinkPathRegEx = new RegExp("//?([^?\"']+)([?].*)?$") ;
	var asLinkPath = oLinkPathRegEx.exec( sUri ) ;
	if (asLinkPath != null)
	sInnerHtml = asLinkPath[1]; // use matched path
	break ;

	// mailto: try to get email address
	case 'email':
	sInnerHtml = GetE('txtEMailAddress').value ;
	break ;
	}

	// Create a new (empty) anchor.
	aLinks = [ oEditor.FCK.InsertElement( 'a' ) ] ;
	}

	for ( var i = 0 ; i < aLinks.length ; i++ )
	{
	oLink = aLinks[i] ;

	if ( aHasSelection )
	sInnerHtml = oLink.innerHTML ; // Save the innerHTML (IE changes it if it is like an URL).

	oLink.href = sUri ;
	SetAttribute( oLink, '_fcksavedurl', sUri ) ;

	var onclick;
	// Accessible popups
	if( GetE('cmbTarget').value == 'popup' )
	{
	onclick = BuildOnClickPopup() ;
	// Encode the attribute
	onclick = encodeURIComponent( " onclick=\"" + onclick + "\"" ) ;
	SetAttribute( oLink, 'onclick_fckprotectedatt', onclick ) ;
	}
	else
	{
	// Check if the previous onclick was for a popup:
	// In that case remove the onclick handler.
	onclick = oLink.getAttribute( 'onclick_fckprotectedatt' ) ;
	if ( onclick )
	{
	// Decode the protected string
	onclick = decodeURIComponent( onclick ) ;

	if( oRegex.OnClickPopup.test( onclick ) )
	SetAttribute( oLink, 'onclick_fckprotectedatt', '' ) ;
	}
	}

	oLink.innerHTML = sInnerHtml ; // Set (or restore) the innerHTML

	// Target
	if( GetE('cmbTarget').value != 'popup' )
	SetAttribute( oLink, 'target', GetE('txtTargetFrame').value ) ;
	else
	SetAttribute( oLink, 'target', null ) ;

	// Let's set the "id" only for the first link to avoid duplication.
	if ( i == 0 )
	SetAttribute( oLink, 'id', GetE('txtAttId').value ) ;

	// Advances Attributes
	SetAttribute( oLink, 'name' , GetE('txtAttName').value ) ;
	SetAttribute( oLink, 'dir' , GetE('cmbAttLangDir').value ) ;
	SetAttribute( oLink, 'lang' , GetE('txtAttLangCode').value ) ;
	SetAttribute( oLink, 'accesskey', GetE('txtAttAccessKey').value ) ;
	SetAttribute( oLink, 'tabindex' , ( GetE('txtAttTabIndex').value > 0 ? GetE('txtAttTabIndex').value : null ) ) ;
	SetAttribute( oLink, 'title' , GetE('txtAttTitle').value ) ;
	SetAttribute( oLink, 'type' , GetE('txtAttContentType').value ) ;
	SetAttribute( oLink, 'charset' , GetE('txtAttCharSet').value ) ;

	if ( oEditor.FCKBrowserInfo.IsIE )
	{
	var sClass = GetE('txtAttClasses').value ;
	// If it's also an anchor add an internal class
	if ( GetE('txtAttName').value.length != 0 )
	sClass += ' FCK__AnchorC' ;
	SetAttribute( oLink, 'className', sClass ) ;

	oLink.style.cssText = GetE('txtAttStyle').value ;
	}
	else
	{
	SetAttribute( oLink, 'class', GetE('txtAttClasses').value ) ;
	SetAttribute( oLink, 'style', GetE('txtAttStyle').value ) ;
	}
	}

	// Select the (first) link.
	oEditor.FCKSelection.SelectNode( aLinks[0] );

	return true ;
	}

	function BrowseServer()
	{
	OpenFileBrowser( FCKConfig.LinkBrowserURL, FCKConfig.LinkBrowserWindowWidth, FCKConfig.LinkBrowserWindowHeight ) ;
	}

	function SetUrl( url )
	{
	GetE('txtUrl').value = url ;
	OnUrlChange() ;
	dialog.SetSelectedTab( 'Info' ) ;
	}

	function OnUploadCompleted( errorNumber, fileUrl, fileName, customMsg )
	{
	// Remove animation
	window.parent.Throbber.Hide() ;
	GetE( 'divUpload' ).style.display = '' ;

	switch ( errorNumber )
	{
	case 0 : // No errors
	alert( 'Your file has been successfully uploaded' ) ;
	break ;
	case 1 : // Custom error
	alert( customMsg ) ;
	return ;
	case 101 : // Custom warning
	alert( customMsg ) ;
	break ;
	case 201 :
	alert( 'A file with the same name is already available. The uploaded file has been renamed to "' + fileName + '"' ) ;
	break ;
	case 202 :
	alert( 'Invalid file type' ) ;
	return ;
	case 203 :
	alert( "Security error. You probably don't have enough permissions to upload. Please check your server." ) ;
	return ;
	case 500 :
	alert( 'The connector is disabled' ) ;
	break ;
	default :
	alert( 'Error on file upload. Error number: ' + errorNumber ) ;
	return ;
	}

	SetUrl( fileUrl ) ;
	GetE('frmUpload').reset() ;
	}

	var oUploadAllowedExtRegex = new RegExp( FCKConfig.LinkUploadAllowedExtensions, 'i' ) ;
	var oUploadDeniedExtRegex = new RegExp( FCKConfig.LinkUploadDeniedExtensions, 'i' ) ;

	function CheckUpload()
	{
	var sFile = GetE('txtUploadFile').value ;

	if ( sFile.length == 0 )
	{
	alert( 'Please select a file to upload' ) ;
	return false ;
	}

	if ( ( FCKConfig.LinkUploadAllowedExtensions.length > 0 && !oUploadAllowedExtRegex.test( sFile ) ) \|\|
	( FCKConfig.LinkUploadDeniedExtensions.length > 0 && oUploadDeniedExtRegex.test( sFile ) ) )
	{
	OnUploadCompleted( 202 ) ;
	return false ;
	}

	// Show animation
	window.parent.Throbber.Show( 100 ) ;
	GetE( 'divUpload' ).style.display = 'none' ;

	return true ;
	}

	function SetDefaultTarget()
	{
	var target = FCKConfig.DefaultLinkTarget \|\| '' ;

	if ( oLink \|\| target.length == 0 )
	return ;

	switch ( target )
	{
	case '_blank' :
	case '_self' :
	case '_parent' :
	case '_top' :
	GetE('cmbTarget').value = target ;
	break ;
	default :
	GetE('cmbTarget').value = 'frame' ;
	break ;
	}

	GetE('txtTargetFrame').value = target ;
	}

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