var map = null;

function addLoadEvent(func) {
  //alert('Registriere onload event');
	var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}


function showAddressinput(){	
	document.getElementById('addressInputContainer').style.display='block';
}

function hideAddressinput(){
	document.getElementById('addressInputContainer').style.display='none';
}


function initMap(){	
	map = new VEMap('myMap');	
	
	
	//-> Zeige Konrad Logo und Icon
	//var shape=new VEShape(VEShapeType.Pushpin, new VELatLong(47.06893, 15.44258));
	//shape.SetCustomIcon('/grafiken/icon_orange.gif');
	//map.AddShape(shape);
	
	
	map.onLoadMap = function(){		
		document.getElementById('loadingIndicator').style.display='none'; 
	};
	map.LoadMap(new VELatLong(46.78926667, 13.9275), 1 ,'r' ,false);		
	//map.ClearInfoBoxStyles();
	//map.SetInfoBoxStyles();

	
	showPois();
	
}



function calculateAndDisplayRoute(){
	
	if (document.getElementById('txtCity').value=='' || document.getElementById('txtState').value=='' ){
		alert('Bitte geben Sie eine Adresse ein.');		
		return;
	}
	

			
    //document.getElementById('addressInput').style.display='none';
    hideAddressinput();
    document.getElementById('loadingIndicator').style.display='block';    
    //document.getElementById('resultMapContainer').style.display='block';
    
    //map.Resize(775, 500);	 
    var locations=new Array();	 

	 var target = document.getElementById('txtStreet').value;
	 if (target !='') target +=', ';	 
	 
	 //target += document.getElementById('txtCity').value+', '+document.getElementById('txtState').value;
	 //locations.push(target);	 	 
	 //locations.push(new VELatLong(47.06893, 15.44258));	 
	 	 
	// var options=new VERouteOptions;
	// options.DrawRoute = true;

		 
		 
	 options.RouteWeight = 10;
	 options.RouteZIndex = 3300; 	
	 options.SetBestMapView = true;
	 options.RouteCallback = CalculatingRouteCompleted; 
	 options.DistanceUnit = VERouteDistanceUnit.Kilometer;
	 options.ShowDisambiguation = false;
	 options.ShowErrorMessages = false;	 
	 options.UseMWS = false;
	 
	 try{
	    map.GetDirections(locations, options);	 
	 }catch(e){
	 	alert(e.message);
	 }
 
}         

function CalculatingRouteCompleted(route){
//    //alert(route);

//    alert(route.RouteLegs[0].Itinerary.Items.length);

//    alert(route.RouteLegs[0].Itinerary.Items[0].LatLong.Latitude);

//    result = document.getElementById('content');

//    for (var i = 0; i < route.RouteLegs[0].Itinerary.Items.length; i++) {

//        alert(route.RouteLegs[0].Itinerary.Items[i].Shape.GetPoints().length);
//        
//        //result.innerHTML = result.innerHTML + ' ' + route.RouteLegs[0].Itinerary.Items[i].LatLong.Latitude + ' ' + route.RouteLegs[0].Itinerary.Items[i].LatLong.Longitude + '<br>';
//    }


//        return;
//	   
	   
	   if(route==null || route.Distance == 0){			
			//document.getElementById('loadingIndicator').style.display='none';
			//document.getElementById('resultMapContainer').style.display='none';
	    	//document.getElementById('addressInput').style.display='block';			
	    	//document.getElementById('resultMapContainer').style.display='none';
	    	
	    	document.getElementById('loadingIndicator').style.display='none';    
	    	showAddressinput();
			alert('Die Abfahrtsadresse konnte nicht gefunden werden.\r\n Bitte überprüfen Sie Ihre Eingabe.');
			return;
		}
		document.getElementById('loadingIndicator').style.display='none';    
		
	
		var turns = "<h3>Wegbeschreibung</h3>";
		turns += "<p><b>Entfernung:</b> " + route.Distance.toFixed(1) + "km";		
		var legs = route.RouteLegs;
		var leg = null;
    	var turnNum = 0;  		
	    //document.getElementById('loadingIndicator').style.display='none';
	    
	    //document.getElementById('resultMapContainer').style.display='block';	    
	    //map.ShowAllShapeLayers();	    
	    //map.SetMapView(route.ShapePoints);	    
	    /*var bounds=new Array();
	    bounds.push(route.ShapePoints[0]);
	    bounds.push(route.ShapePoints[route.ShapePoints.length-1]);*/
    	//map.SetMapView(route.RouteLegs[0].Itinerary.Items);


//    	result = document.getElementById('content');
//    	result.innerHTML = 'LaLa: ' + route;

//    	/////////////////
//    	var legs = route.RouteLegs;
//    	var turns = "Total distance: " + route.Distance.toFixed(1) + " mi\n"; 
//    	var numTurns = 0; var leg = null;           
    	// Get intermediate legs            
//    	for(var i = 0; i < legs.length; i++){               
//    	    // Get this leg so we don't have to derefernce multiple times               
//    	    leg = legs[i];  
//    	    // Leg is a VERouteLeg object
//    	    // Unroll each intermediate leg               
//    	    var turn = null;  
//    	    // The itinerary leg                                 
//    	        for(var j = 0; j < leg.Itinerary.Items.length; j ++){
//    	            turn = leg.Itinerary.Items[j];
//    	            // turn is a VERouteItineraryItem object
//    	            numTurns++;
//    	            turns += numTurns + ".\t" + turn.Text + " (" + turn.Distance.toFixed(1) + " mi)\n";
//    	        }
//    	    }
    	//    	alert(turns);

    	
	    
	    
}
		
 function SetDirections(s)
 {
    var d = document.getElementById("directions");
    d.innerHTML = s;
    d.style.display='block';
 }


 function handleKeyUp(evt) {
    evt = (evt) ? evt : ((window.event) ? event : null);        
    if (evt) {    	
    	if (evt.keyCode=='13'){
    		calculateAndDisplayRoute();        		
    	}
    } 
 }
 
 
 function backToAddressInput(){
	document.getElementById('loadingIndicator').style.display='none';
	document.getElementById('resultMapContainer').style.display='none';
	document.getElementById('addressInput').style.display='block';			
 }