// ajaxtools.js


// *********************************************************************
// ************************* AJAX-Helper ************************************
// *********************************************************************

 function getHTTPRequestObj() {
    //alert("getHTTPRequestObj");
    var http_request = null ;

    if (window.XMLHttpRequest) { // Mozilla, Safari, ...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');            
        }
    } 
    else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
            //alert("Msxml2.XMLHTTP");
        } 
        catch (e) {
            
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
                //alert("Microsoft.XMLHTTP");
            } 
            catch (e) {
            }
        }
    }
 
    if (!http_request) {
        alert('Giving up :( Cannot create an XMLHTTP instance');
        return null;
    }
    return http_request ;
 }          // end of getHTTPRequestObj
 
 
 
function ShowAjaxMsg(msg) {
	//alert("ShowAjaxMsg\n" + msg);
	
	var html = '<div style="position:absolute;background-color:yellow;color:black;width:99%;padding:4px;padding-left:8px;padding-right:4px;">' ;
	html += msg ;
	html += '</div>';	
	
	var id = "AjaxMsgWrapper";
	var o = document.getElementById(id);
	if(o) {
		o.innerHTML = html ;
		o.style.display = 'block' ;
	}
}


function getXmlStr(xmlDoc) {
	try{
 
		var xmlstr = "";
		if (window.ActiveXObject) {
			//alert("do the .xml way");
			xmlstr = xmlDoc.xml ;
		}
		else {
			//alert("do the serializer way");
			var serializer = new XMLSerializer();
			var xmlstr = serializer.serializeToString(xmlDoc);
		} 		
		// alert("showModelleTable: xmldoc=\n" + xmlDoc);
		// alert("showModelleTable: xmlstr=\n" + xmlstr);

		}
		catch(e) {
			alert("getXmlStr: " + e.message );
			return xmlstr;
		}
		
		return xmlstr;
}


// Standard Callbackfunktion
function StandardCallback(http_request ) { 
    // called after data is returned 
     //alert("StandardCallback - http_request.status=" + http_request.status ); 
    
    if (http_request.readyState == 4) { 
        if (http_request.status == 200) { 
            //var responseText = http_request.responseText; 
            //alert("StandardCallback: " + responseText ); 
               //alert("http_request.responseText=" + http_request.responseText ); 
			try { 
                if( left(http_request.responseText,1) != "<")  {	
                	var mymsg = http_request.responseText ; 
                    mymsg = left(mymsg,mymsg.length -1); 
                    //alert("mymsg=" + mymsg); 
                    
                    if( left(mymsg,4) == "msg-" ) { 
                    	mymsg = strRight(mymsg,"msg-") ; 
                        alert( mymsg  ); 
                        return false;                         
               		} 
               		else if( left(mymsg,6) == "print-" ) { 
               		
               		}
               		else if( left(mymsg,4) == "url-" ) {
               			mymsg = strRight(mymsg,"url-") ; 
               			window.location.href = mymsg ; 
                 			return false; 
               		
               		}
                	else if( left(mymsg,3) == "ok-" ) { 
                		mymsg = strRight(mymsg,"ok-") ;                                       
                    	//alert("mymsg=" + mymsg + "-" ); 
                    	if( mymsg == "" ) {                         
	                    	return false; 
                  		} 
                    	else if(mymsg == "reload" ) { 
	                    	status = "reload"; 
                        	window.location.href = window.location.href ; 
                 			return false; 
                    	} 
                                        
           			}                 
                	else if( left(mymsg,2)  == "ok" ) { 
                		//alert("nun ist es ok");
              			return true;        // Nichts machen 
            		}                     
                	else { 
                		mymsg = "Fehler in ajaxtools.js - StandardCallback, Agent meldet:<br>" + mymsg ; 
             		}                               
        			return false;                     
				} 
                                               
                      
           	} 
            catch(e) { 
               	alert( "ajaxtools.js - StandardCallback:\n" + e.message ); 
            	return false;     
           	}             
        } 
        else { 
            alert('ajaxtools.js - StandardCallback: There was a problem with the request: ' + left(http_request.responseText,500)); 
            //alert(http_request.getAllResponseHeaders())
            
            return false ;
        } 
    } 


}           // End StandardCallback 


// Standard Callbackfunktion



// ############################################################
// ############################## XSLDOC ######################

function RenderXml( xmlDoc, xslkey, targetid ) {
	//alert("ajaxtools.js - RenderXml xslkey=" + xslkey);
	//alert("ajaxtools.js - RenderXml targetid=" + targetid);
	
	//alert("KdNr = " + KdNr  ) ;
	try{
		if( RecordCount == null ) RecordCount = 0 ;
		
		var allRecords = xmlDoc.getElementsByTagName('Table'); 
		var RecordCount = allRecords.length;
		//alert("RecordCount=" + RecordCount);	
	 	
		//var xslurl = ThisDBurl + "/xslv/" + xslkey + "?open&tim=" + escape(new Date()) ;	
		var xslurl = ThisDBurl + "/xslv/" + xslkey ;		
		//xslurl	 += "?open"
		//alert("RenderXml xslurl= " + xslurl ); 	
		
		var intoDIVHead = document.getElementById(targetid + "Head");
		var intoDIV = document.getElementById(targetid);
		//alert("intoDIV= " + intoDIV);			
		if (window.ActiveXObject) {  
	     	var xslDoc=new ActiveXObject("MSXML2.FreeThreadedDOMDocument.3.0");
	  		xslDoc.async = false
	  		xslDoc.load( xslurl );
	  		//alert( "xslDoc= " + xslDoc.xml);
	  		    
	  		var xslTemplate=new ActiveXObject("MSXML2.XSLTemplate.3.0");
		   	xslTemplate.stylesheet=xslDoc;
		   			  	
		   	try {
				var xslProcessor=xslTemplate.createProcessor();
				xslProcessor.input = xmlDoc;		

				xslProcessor.addParameter("RecordCount", RecordCount );
				xslProcessor.addParameter("UserKdNr", KdNr );
			
				xslProcessor.transform();
			}
			catch(e) {
				alert("RenderXml: " + e);
				return;
			}   
				
			var result = xslProcessor.output ;
			//alert("processor.output=" + result );
			intoDIV.innerHTML=result ; 
		}
		else if (document.implementation && document.implementation.createDocument){
			// FireFox				
				        		
	  		try {
	  			//alert("renderXml xslurl= " + xslurl ); 	
				var xmls = new XMLSerializer();   			


  			var xslDoc = document.implementation.createDocument("", "", null);
		   	xslDoc.async = false
		   	xslDoc.load( xslurl );
		  	//alert( "xslDoc= " + xmls.serializeToString(xslDoc));
		     //  alert( "xmlDoc= " + xmls.serializeToString(xmlDoc));	  		
	  		
		  		xsltProcessor=new XSLTProcessor();
				xsltProcessor.importStylesheet(xslDoc);

				//alert("KdNr = " + KdNr  ) ;
				xsltProcessor.setParameter(null, "RecordCount", RecordCount );
				xsltProcessor.setParameter(null, "UserKdNr", KdNr );
				
				var outputXHTML  = xsltProcessor.transformToFragment(xmlDoc,document);
				
				//alert( xmls.serializeToString(outputXHTML));
				// intoDIV.innerHTML = xmls.serializeToString(outputXHTML);
				//setInnerText( targetid,  xmls.serializeToString(outputXHTML) );
				 
				//alert(outputXHTML);
				intoDIV.innerHTML = "";
				//intoDIV.appendChild(outputXHTML);
				intoDIV.innerHTML = xmls.serializeToString(outputXHTML);
			
				 
			}
	  		catch(e) {
	  			alert("ajaxtools.js - RenderXml: " + e);
				return;
	  		}	  					
	  		   			  	
		}


	}
	catch(e) {
		alert( "ajaxtools.js - RenderXml:\n" + e.message );
		return;    
	}      

}


function CallbackWriteToDiv(http_request, divid, ResizeFrameID ) { 
    // Schreibt ResponseText in das angegebene Div
   //alert("CallbackWriteToDiv - http_request.status=" + http_request.status + " - http_request.readyState= " + http_request.readyState); 
    
    if (http_request.readyState == 4) { 
        if (http_request.status == 200) { 
            var responseText = http_request.responseText; 
            //alert("CallbackAppendToDiv: " + responseText ); 
             //alert("CallbackAppendToDiv: id=" + divid + " - http_request.responseText=" + http_request.responseText ); 
			try { 
				
				hideAllLoadKringel() ;
				
				//alert(http_request.responseText);
                if( left(http_request.responseText,1) != "<")  {	
                	var mymsg = http_request.responseText ; 
                    mymsg = left(mymsg,mymsg.length -1); 
                    //alert("mymsg=" + mymsg); 
                    
                    if( left(mymsg,4) == "msg-" ) { 
                    	mymsg = strRight(mymsg,"msg-") ; 
                        //alert( mymsg  );
                       	var o = document.getElementById(divid);
						if(o) {
							//alert(http_request.responseText);
							o.innerHTML = '<div style="border:1px solid grey;padding:4px;color:red;font-weight:bold;">' + mymsg + '</div>' ;
							showObject(divid);
							//hideObject("LoadKringel");
							//o.style.display = 'block' ;
							
						}
                        return false;                         
               		} 
                	else if( left(mymsg,3) == "ok-" ) { 
                		mymsg = strRight(mymsg,"ok-") ;                                       
                    	//alert("mymsg=" + mymsg + "-" ); 
                    	if( mymsg == "" ) {                         
	                    	return false; 
                  		} 
                    	else if(mymsg == "reload" ) { 
	                    	status = "reload"; 
                        	window.location.href = window.location.href ; 
                 			return false; 
                    	} 
                                        
           			}                 
                	else if( left(mymsg,2)  == "ok" ) { 
                		//alert("nun ist es ok");
              			return true;        // Nichts machen 
            		}                     
                	else { 
                		mymsg = "Fehler in ajaxtools.js - CallbackWriteToDiv, Agent meldet:<br>" + mymsg ; 
             		}                               
        			return false;                     
				} 
				else {
				
					var o = document.getElementById(divid);
					if(o) {
						//alert(http_request.responseText);
						o.innerHTML = http_request.responseText ;
						//o.style.display = 'block' ;
						showObject(divid);
					}
						//alert("hier: " + parent.document.location.href);
						
						if( ResizeFrameID != "" ) {
							parent.ReSizeThisFrame(ResizeFrameID);	// z.B. 'mcframe'
						}
						
							
				} 
                                               
                      
           	} 
            catch(e) { 
               	alert( "ajaxtools.js - CallbackWriteToDiv:\n" + e.message ); 
            	return false;     
           	}             
        } 
        else { 
            alert('ajaxtools.js - CallbackWriteToDiv: There was a problem with the request: ' + left(http_request.responseText,500)); 
            //alert(http_request.getAllResponseHeaders())
            
            return false ;
        } 
    } 


}           // End CallbackWriteToDiv 

function hideAllLoadKringel() {

	hideObject("LoadKringel");
	hideObject("LoadKringel_check");
	hideObject("LoadKringel_create");
	hideObject("LoadKringel_show");
	hideObject("LoadKringel_suggest");
	
}
function SaveThisFieldToDoc(fldid) {
	//alert("ajaxtools.js - SaveThisFieldToDoc");
	try {        
            
            var ThisForm = document.forms[0]; 
        
            var ThisURL = ThisDBurl ; 
            var valu = getFldValu(fldid)   
            // unid ist eine Globale in der Form    
            var retvalu = "ok"  
          	SetFieldOnDoc(unid, fldid, valu, retvalu )
          		      
        } 
        catch(e) { 
                alert( "ajaxtools.js - SetThisFieldOnDoc:\n" + e.message ); 
                return; 
        } 
}

function SetFieldOnDoc(unid, fldname, valu, retvalu ) { 
	// alert("SetFieldOnDoc: unid= " + unid + "\nfldname=" + fldname + "\nvalu=" + valu ); 
    try { 
 		if( retvalu == null || retvalu == "" ) { retvalu = "ok" ; }        
            
            var ThisForm = document.forms[0]; 
        
            var ThisURL = ThisDBurl ; 
            ThisURL += "/SetFieldOnDocAgent?open" ;  
            ThisURL += "&unid=" + unid ;         
            ThisURL += "&fldname=" + fldname ;         
            ThisURL += "&valu=" + valu ; 
            ThisURL += "&retvalu=" + retvalu ;                 
            ThisURL += "&tim=" + escape(new Date()) ;                 
            //alert("ThisURL=" + ThisURL ); 

        
        	// instantiate http_request 
        	var http_request = getHTTPRequestObj() ; 
       		if( http_request == null ) {return false; } 
        
       		// call function to handle return code     
       	 	http_request.onreadystatechange = function() { StandardCallback(http_request ); }; 
        	http_request.open('GET', ThisURL, true); 
        	http_request.send(null);                             
                
        } 
        catch(e) { 
                alert( "ajaxtools.js - SetFieldOnDoc:\n" + e.message ); 
                return; 
        } 
        
}