link.js

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var oEditor		= window.parent.InnerDialogLoaded() ;
var TD			= oEditor.TD ;
var TDLang		= oEditor.TDLang ;
var TDConfig	= oEditor.TDConfig ;
var TDRegexLib	= oEditor.TDRegexLib ;
var TDTools	= oEditor.TDTools ;

//#### Dialog Tabs

// Set the dialog tabs.
window.parent.AddTab( 'Info', TDLang.DlgLnkInfoTab ) ;

if ( !TDConfig.LinkDlgHideTarget )
	window.parent.AddTab( 'Target', TDLang.DlgLnkTargetTab, true ) ;

if ( TDConfig.LinkUpload )
	window.parent.AddTab( 'Upload', TDLang.DlgLnkUpload, true ) ;

if ( !TDConfig.LinkDlgHideAdvanced )
	window.parent.AddTab( 'Advanced', TDLang.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' ) ) ;

	window.parent.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\(\s*window.open\(\s*'([^']+)'\s*,\s*(?:'([^']*)'|null)\s*,\s*'([^']*)'\s*\)\s*\)\s*$/ ;

// Accessible popups
oRegex.OnClickPopup = /^\s*on[cC]lick="\s*window.open\(\s*this\.href\s*,\s*(?:'([^']*)'|null)\s*,\s*'([^']*)'\s*\)\s*;\s*return\s*false;*\s*"$/ ;

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

//#### Parser Functions

var oParser = new Object() ;

oParser.ParseEMailUrl = function( emailUrl )
{
	// Initializes the EMailInfo object.
	var oEMailInfo = new Object() ;
	oEMailInfo.Address	= '' ;
	oEMailInfo.Subject	= '' ;
	oEMailInfo.Body		= '' ;

	var oParts = emailUrl.match( /^([^\?]+)\??(.+)?/ ) ;
	if ( oParts )
	{
		// Set the e-mail address.
		oEMailInfo.Address = oParts[1] ;

		// Look for the optional e-mail parameters.
		if ( oParts[2] )
		{
			var oMatch = oParts[2].match( /(^|&)subject=([^&]+)/i ) ;
			if ( oMatch ) oEMailInfo.Subject = decodeURIComponent( oMatch[2] ) ;

			oMatch = oParts[2].match( /(^|&)body=([^&]+)/i ) ;
			if ( oMatch ) oEMailInfo.Body = decodeURIComponent( oMatch[2] ) ;
		}
	}

	return oEMailInfo ;
}

oParser.CreateEMailUri = function( address, subject, body )
{
	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 = TD.Selection.MoveToAncestorNode( 'A' ) ;
if ( oLink )
	TD.Selection.SelectNode( oLink ) ;

window.onload = function()
{
	// Translate the dialog box texts.
	oEditor.TDLanguageManager.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 = TDConfig.LinkBrowser ? '' : 'none' ;

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

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

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

	// Activate the "OK" button.
	window.parent.SetOkButton( true ) ;
}

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.TD.EditorDocument.getElementsByTagName( 'IMG' ) ;
	for( i = 0 ; i < oImages.length ; i++ )
	{
		if ( oImages[i].getAttribute('_anchor') )
			aAnchors[ aAnchors.length ] = oEditor.TD.GetRealElement( oImages[i] ) ;
	}

	// Add also real anchors
	var oLinks = oEditor.TD.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 = TDTools.GetAllChildrenIds( oEditor.TD.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 )
			TDTools.AddSelectOption( GetE('cmbAnchorName'), sName, sName ) ;
	}

	for ( i = 0 ; i < aIds.length ; i++ )
	{
		TDTools.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( '_savedurl' ) ;
	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_protectedatt' ) ;
		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 ) ;

	if ( sProtocol )
	{
		sProtocol = sProtocol[0].toLowerCase() ;
		GetE('cmbLinkProtocol').value = sProtocol ;

		// Remove the protocol and get the remaining URL.
		var sUrl = sHRef.replace( oRegex.UriProtocol, '' ) ;

		if ( sProtocol == 'mailto:' )	// It is an e-mail link.
		{
			sType = 'email' ;

			var oEMailInfo = oParser.ParseEMailUrl( sUrl ) ;
			GetE('txtEMailAddress').value	= oEMailInfo.Address ;
			GetE('txtEMailSubject').value	= oEMailInfo.Subject ;
			GetE('txtEMailBody').value		= oEMailInfo.Body ;
		}
		else				// It is a normal link.
		{
			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.TDBrowserInfo.IsIE )
	{
		sClass	= oLink.getAttribute('className',2) || '' ;
		// Clean up temporary classes for internal use:
		sClass = sClass.replace( TDRegexLib.TD_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 ( !TDConfig.LinkDlgHideTarget )
		window.parent.SetTabVisibility( 'Target'	, (linkType == 'url') ) ;

	if ( TDConfig.LinkUpload )
		window.parent.SetTabVisibility( 'Upload'	, (linkType == 'url') ) ;

	if ( !TDConfig.LinkDlgHideAdvanced )
		window.parent.SetTabVisibility( 'Advanced'	, (linkType != 'anchor' || bHasAnchors) ) ;

	if ( linkType == 'email' )
		window.parent.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 = '' ;