//Pete Giencke
//pgiencke@glc.org
//09.05.05

function loslrs( oKaMap )
{
    var zoomingInProgress = 0;
    var startx = null;
    var starty = null;
    var endx = null;
    var endy = null;
    
    if(queryThis == 0) //pan cursor
     {
         this.cursor = 'move';
     }
     
    else if (queryThis == 1) //single-click query cursor
    {
        this.cursor = 'help';
    }

    else
    {
     this.cursor = 'default' //zoombox cursor
    }

    kaNavigator.apply( this, [oKaMap] );
    this.name = 'loslrs';
    this.ID = 'loslrs';
    this.gX=null;
    this.gY=null;
    
    
    /* overload function prototypes */
    this.onmousemove = loslrs_onmousemove;
    this.onmouseout = loslrs_onmouseout;
    this.onmousedown = loslrs_onmousedown;
    this.onmouseup = loslrs_onmouseup;
}

function loslrs_onmouseout(e)
{
    e = (e)?e:((event)?event:null);
    if (!e.target) e.target = e.srcElement;
    if (e.target.id == this.kaMap.domObj.id)
    {
        this.bMouseDown = false;
        return kaTool_onmouseout.apply(this, [e]);
    }
}

function loslrs_onmousemove(e)
{
    e = (e)?e:((event)?event:null);

    
 if(zoomBoxOn == 1 && zoomingInProgress == 1) //grow or shrink the zoombox
    {
    
     if (document.all) 
       {
         var r = document.all.boundingBox;
         r.style.width = e.x - r.style.pixelLeft + 38;
         r.style.height = e.y - r.style.pixelTop + 29;
       }
       else if (document.getElementById) 
       {
        var r = document.getElementById('boundingBox');
        r.style.width = e.clientX - parseInt(r.style.left) - 10 + "px";
        r.style.height = e.clientY - parseInt(r.style.top) - 10 + "px";
       
       }
       
       if (!this.bMouseDown)
           {
               return false;
           }
           }

    else
    {

    if (!this.bMouseDown)
    {
        return false;
    }
    
    if (!this.kaMap.layersHidden)
        this.kaMap.hideLayers();
        
    

    
    var newTop = safeParseInt(this.kaMap.theInsideLayer.style.top);
    var newLeft = safeParseInt(this.kaMap.theInsideLayer.style.left);

    newTop = newTop - this.lasty + e.clientY;
    newLeft = newLeft - this.lastx + e.clientX;

    this.kaMap.theInsideLayer.style.top=newTop + 'px';
    this.kaMap.theInsideLayer.style.left=newLeft + 'px';

    kaMap_checkWrap.apply(this.kaMap, []);

    this.lastx=e.clientX;
    this.lasty=e.clientY;
    return false;
    }
}

function loslrs_onmousedown(e)
{

    e = (e)?e:((event)?event:null);

   if (e.button==2)
    {
     return this.cancelEvent(e);
    }
    
        if(queryThis == 1) //single-click query
        {
        document.getElementById("boundingBox").style.visibility = "hidden";
        var aPixPos = this.adjustPixPosition( e.clientX, e.clientY );
	var geoCoo= this.kaMap.pixToGeo(aPixPos[0],aPixPos[1]);
	this.gX = geoCoo[0];
    	this.gY = geoCoo[1];
	this.gX= (parseInt(this.gX*100))/100;
    	this.gY= (parseInt(this.gY*100))/100;
        var vLayers = getVisibleLayer();
        var extent = this.kaMap.getGeoExtents();
        var params='x='+this.gX+'&y='+this.gY+'&layer='+vLayers+'&extent='+extent[0]+'|'+extent[1]+'|'+extent[2]+'|'+extent[3];
        toSendLink = "showResults3.php?" + params;
        document.getElementById("dWin").style.visibility = "visible";
        document.getElementById("dWin").src = toSendLink;
        return this.cancelEvent(e);
        }

       else if(zoomBoxOn == 1) //start zoomBox
        {
           zoomingInProgress = 1;
           this.cursor = 'default';

	   if (document.all) 
	   {
	     var r = document.all.boundingBox;
	     r.style.width = 0;
	     r.style.height = 0;
	     r.style.pixelLeft = e.x;
	     r.style.pixelTop  = e.y;
	     r.style.visibility = 'visible';
	   }
	   else if (document.getElementById) 
	   {
	     var r = document.getElementById("boundingBox");
	     r.style.width = 0;
	     r.style.height = 0;
	     r.style.left = e.clientX + 'px';
	     r.style.top = e.clientY + 'px';	     
	     r.style.visibility = 'visible';
	   }       
	   
	   startx = e.clientX;
	   starty = e.clientY;
           return this.cancelEvent(e);
        }
 
    else
    {
        if (isIE4) document.onkeydown = kaTool_redirect_onkeypress;
        document.onkeypress = kaTool_redirect_onkeypress;
        
        this.bMouseDown=true;
        this.lastx=e.clientX;
        this.lasty=e.clientY;
        
        e.cancelBubble = true;
        e.returnValue = false;


        
        if (e.stopPropogation) e.stopPropogation();
        if (e.preventDefault) e.preventDefault();
        return false;
    }

}

function loslrs_onmouseup(e)
{
    e = (e)?e:((event)?event:null);
    //alert(queryThis);
  
if(zoomBoxOn == 1) //end zoombox
{
   zoomingInProgress = 0;
   endx = e.clientX;
   endy = e.clientY;



   /////////////////////

   var aPixPos = this.adjustPixPosition(startx, starty);
   var geoCoo= this.kaMap.pixToGeo(aPixPos[0],aPixPos[1]);
   
   startx = geoCoo[0];
   starty = geoCoo[1];
   startx = (parseInt(startx*100))/100;
   starty = (parseInt(starty*100))/100;
   
   aPixPos = this.adjustPixPosition(endx, endy);
   geoCoo= this.kaMap.pixToGeo(aPixPos[0],aPixPos[1]);
   
   endx = geoCoo[0];
   endy = geoCoo[1];
   endx = (parseInt(endx*100))/100;
   endy = (parseInt(endy*100))/100;

   //alert(startx + " , " + starty + " , " +  endx + " , " + endy);      
   myKaMap.zoomToExtents(startx, starty, endx, endy); //submit zoombox coordinates to the zoomToExtents function
   document.getElementById("boundingBox").style.visibility = "hidden";
   queryThis = 0;
   return false;

}

else
{
    this.bMouseDown=false;
    this.lastx=null;
    this.lasty=null;
    this.kaMap.showLayers();
    this.kaMap.triggerEvent(KAMAP_EXTENTS_CHANGED, this.kaMap.getGeoExtents());
    return false;
}
}

function getVisibleLayer()  //rischio
{

 var    inputList =  document.getElementsByTagName('input');
 var a=new Array();
 var layerList="";
 var n=0;
 for(i=0;i<inputList.length;i++){
    if(inputList.item(i).name=='layerVisCB' && inputList.item(i).checked)
    { 
    a[n] = inputList.item(i).value;
    n++;  
    }
 }
  
  
  for(i=0;i<a.length;i++){ 
  
  if(i==0)
  layerList=a[i];
  else 
  layerList = layerList+","+a[i];
}
 return layerList;
}