/*
 * AJAX Implementation inspired by implementation for:
 * FCKeditor - The text editor for internet
 * Copyright (C) 2003-2005 Frederico Caldeira Knabben
 * Copyright (C) 2005 Oliver Welter
 * 
 * Licensed under the terms of the GNU Lesser General Public License:
 * 		http://www.opensource.org/licenses/lgpl-license.php
 * 
 * For further information visit:
 * 		http://www.fckeditor.net/
 * File Authors:
 * 		Frederico Caldeira Knabben (fredck@fckeditor.net)
 * 		Oliver Welter	(oliwel@microblue.de)
 */

var FCKXml = function()
{}

function escapeHTML(text) {
text=text.replace('\n','');
text=text.replace('&','&');
text=text.replace('<','&lt;');
text=text.replace('>','&gt;');
return text;
}

FCKXml.prototype.GetHttpRequest = function()
{
	if ( window.XMLHttpRequest )		// Gecko
		return new XMLHttpRequest() ;
	else if ( window.ActiveXObject )	// IE
		return new ActiveXObject("MsXml2.XmlHttp") ;
}


FCKXml.prototype.LoadUrl = function( urlToCall, asyncFunctionPointer )
{
	var oFCKXml = this ;

	var bAsync = ( typeof(asyncFunctionPointer) == 'function' ) ;

	var oXmlHttp = this.GetHttpRequest() ;
	oXmlHttp.open( "GET", urlToCall, bAsync ) ;
	
	if ( bAsync )
	{	
		oXmlHttp.onreadystatechange = function() 
		{
			if ( oXmlHttp.readyState == 4 )
			{
				/*
				dbgWin=window.open('','dbgWin','width=700,height=400');
				txt=dbgWin.document.getElementById('txtXML');
				
				if (txt==null) {
					dbgWin.document.write("<textarea style=\"width: 100%; height: 100%\" id=\"txtXML\"></textarea>");
					txt=dbgWin.document.getElementById('txtXML');
				}
				
				txt.value=new String("-----------------------------------------\n" + oXmlHttp.responseText);
				*/
				
				oFCKXml.DOMDocument = oXmlHttp.responseXML ;
				asyncFunctionPointer( oFCKXml ) ;
			}
		}
	}
	
	oXmlHttp.send( null ) ;
	
	if ( ! bAsync ) {
		this.DOMDocument = oXmlHttp.responseXML ;
		this.TXTDocument = oXmlHttp.responseText ;
	}
		
	return this;
}

FCKXml.prototype.PostUrl = function( urlToCall, params, asyncFunctionPointer )
{
	var oFCKXml = this ;

	var bAsync = ( typeof(asyncFunctionPointer) == 'function' ) ;

	var oXmlHttp = this.GetHttpRequest() ;
	oXmlHttp.open( "POST", urlToCall, bAsync ) ;
	oXmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    oXmlHttp.setRequestHeader("Content-length", params.length);
    oXmlHttp.setRequestHeader("Connection", "close");	
    
	if ( bAsync )
	{	
		oXmlHttp.onreadystatechange = function() 
		{
			if ( oXmlHttp.readyState == 4 )
			{
				oFCKXml.DOMDocument = oXmlHttp.responseXML ;
				asyncFunctionPointer( oFCKXml ) ;
			}
		}
	}
	
	oXmlHttp.send( params ) ;
	
	if ( ! bAsync ) {
		this.DOMDocument = oXmlHttp.responseXML ;
		this.TXTDocument = oXmlHttp.responseText ;
	}
}

FCKXml.prototype.SelectNodes = function( xpath )
{
	if ( document.all )		// IE
		return this.DOMDocument.selectNodes( xpath ) ;
	else					// Gecko
	{
		var aNodeArray = new Array();

		var xPathResult = this.DOMDocument.evaluate( xpath, this.DOMDocument, 
				this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), XPathResult.ORDERED_NODE_ITERATOR_TYPE, null) ;
		if ( xPathResult ) 
		{
			var oNode = xPathResult.iterateNext() ;
 			while( oNode )
 			{
 				aNodeArray[aNodeArray.length] = oNode ;
 				oNode = xPathResult.iterateNext();
 			}
		} 
		return aNodeArray ;
	}
}

FCKXml.prototype.SelectSingleNode = function( xpath ) 
{
	if ( document.all )		// IE
		return this.DOMDocument.selectSingleNode( xpath ) ;
	else					// Gecko
	{
		var xPathResult = this.DOMDocument.evaluate( xpath, this.DOMDocument,
				this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), 9, null);

		if ( xPathResult && xPathResult.singleNodeValue )
			return xPathResult.singleNodeValue ;
		else	
			return null ;
	}
}

function makeAjaxRequest( command, callBackFunction )
{

	var oXML = new FCKXml() ;
	
	if ( typeof( callBackFunction ) == 'function' ) 
		oXML.LoadUrl( command, callBackFunction ) ;	// Asynchronous load.
	else
		return oXML.LoadUrl( command ) ;
}


function getAjaxObject( objectclass, id, params, callBackFunction ) {
	return makeAjaxRequest('/getAjaxObject.php?CLASS='+objectclass+'&ID='+id+'&PARAMS='+params, callBackFunction );
}

function setAjaxObject( body, params, callBackFunction ) {

	var oXML = new FCKXml() ;
	
	if ( callBackFunction )
		oXML.PostUrl( "setAjaxObject.php","PARAMS="+encodeURI(params)+"&DATA="+encodeURI(body), callBackFunction ) ;	// Asynchronous load.
	else
		return oXML.PostUrl( command, "CLASS="+objectclass+"\\nDATA="+encodeURI(body) ) ;
}

function parseAjaxObject(fckXml) {
	var myData=new Object;
	var oNodes = fckXml.SelectNodes( 'Connector/Object/Data' ) ;
	if (oNodes!=null) {
		for ( var i = 0 ; i < oNodes.length ; i++ )
		{
			var sItemName = oNodes[i].attributes.getNamedItem('name').value ;
			var sItemValue = oNodes[i].firstChild.data;
			myData[sItemName] = sItemValue;
		}
	}
	return myData;
}

function GetFoldersAndFilesCallBack( fckXml )
{
	// Get the current folder path.
	var oNode = fckXml.SelectSingleNode( 'Connector/CurrentFolder' ) ;
	var sCurrentFolderPath	= oNode.attributes.getNamedItem('path').value ;
	var sCurrentFolderUrl	= oNode.attributes.getNamedItem('url').value ;

	// Add the Folders.	
	var oNodes = fckXml.SelectNodes( 'Connector/Folders/Folder' ) ;
	
	if (oNodes!=null) {
		for ( var i = 0 ; i < oNodes.length ; i++ )
		{
			var sFolderName = oNodes[i].attributes.getNamedItem('name').value ;
			oListManager.AddFolder( sFolderName, sCurrentFolderPath + sFolderName + "/" ) ;
		}
	}
	
	// Add the Files.	
	var oNodes = fckXml.SelectNodes( 'Connector/Files/File' ) ;
	if (oNodes!=null) {
		for ( var i = 0 ; i < oNodes.length ; i++ )
		{
			var sFileName = oNodes[i].attributes.getNamedItem('name').value ;
			var sFileSize = oNodes[i].attributes.getNamedItem('size').value ;
			var iEditable = oNodes[i].attributes.getNamedItem('editable') ;
			if (iEditable!=null) {
				iEditable = iEditable.value;	
			} else {
				iEditable = 0;
			}
			
		}
	}
	
}

function performPLZSearch() {
	if (document.form1.GEOSEARCH.value)
		makeAjaxRequest('/geosearch.php?search='+encodeURI(document.form1.GEOSEARCH.value), showGeoSearchResult);
	return;
}

function showGeoSearchResult( fckXml ) {
	var out='';
	var search = new PopupWindow('geosearch'); 
	var oNodes = fckXml.SelectNodes( 'Connector/Result/Data' ) ;
	if (oNodes!=null) {
	
		if ( oNodes.length == 1 ) {
			var sItemValue = oNodes[0].attributes.getNamedItem('id').value ;
			var sItemName = oNodes[0].firstChild.data;
			selGeo(sItemValue,sItemName);
			return;
		}
		
		for ( var i = 0 ; i < oNodes.length ; i++ )
		{
			var sItemValue = oNodes[i].attributes.getNamedItem('id').value ;
			var sItemName = oNodes[i].firstChild.data;
			out+= '<a href=\"javascript:selGeo('+sItemValue+',\''+sItemName+'\');\">'+sItemName+'</a><br/>';
		}
	}	
	
	search.populate('<span class="label">Bitte w&auml;hlen</span><span id="fw240">'+out+'</span>');
	search.refresh();
	
}



function getOrgaTree(id) {
	makeAjaxRequest('/orgasearch.php?id='+id, showOrgaTree);

}

function showOrgaTree( fckXml ) {
	var out='';
	var prefix = '';
	var search = new PopupWindow('orgasearch'); 
	
	var oNodes = fckXml.SelectNodes( 'Connector/Parents/Data' ) ;
	if (oNodes!=null) {
		for ( var i = 0 ; i < oNodes.length ; i++ )
		{
			var sItemValue = oNodes[i].attributes.getNamedItem('id').value ;
			var sItemName = oNodes[i].firstChild.data;
			out+= prefix+'<a href="javascript:getOrgaTree('+sItemValue+')" style="color:red;">[&gt;]</a><a href=\"javascript:selOrga('+sItemValue+',\''+sItemName+'\');\">'+sItemName+'</a><br/>';
			prefix += '&nbsp;&nbsp;';
		}
	}	
	
	var oNodes = fckXml.SelectNodes( 'Connector/Self/Data' ) ;
	var sItemValue = oNodes[0].attributes.getNamedItem('id').value ;
	var sItemName = oNodes[0].firstChild.data;
	out+= prefix+'[#]<a href=\"javascript:selOrga('+sItemValue+',\''+sItemName+'\');\">'+sItemName+'</a><br/>';
	
	var oNodes = fckXml.SelectNodes( 'Connector/Childs/Data' ) ;
	if (oNodes!=null) {
		for ( var i = 0 ; i < oNodes.length ; i++ )
		{
			var sItemValue = oNodes[i].attributes.getNamedItem('id').value ;
			var sItemName = oNodes[i].firstChild.data;
			out+= prefix+'<a href="javascript:getOrgaTree('+sItemValue+')" style="color:red;">[+]</a><a href=\"javascript:selOrga('+sItemValue+',\''+sItemName+'\');\">'+sItemName+'</a><br/>';
		}
	}	
	
	search.populate('<span class="label">Bitte w&auml;hlen</span><span id="fw240">'+out+'</span>');
	search.refresh();
	
}

function getRelevanz(id) {
	makeAjaxRequest('/orgasearch.php?mode=parents&id='+id, showRelevanz);
}