var localSearch = new GlocalSearch();

function usePointFromPostcode(postcode, callbackFunction) {
  
  localSearch.setSearchCompleteCallback(null, 
    function() {
      
      if (localSearch.results[0])
      {   
        var resultLat = localSearch.results[0].lat;
        var resultLng = localSearch.results[0].lng;
        var point = new GLatLng(resultLat,resultLng);
        callbackFunction(point);
      }else{
        alert("Postcode not found!");
      }
    }); 
    
  localSearch.execute(postcode + ", UK");
}

function show_props(obj, obj_name) {
   var result = "";
   for (var i in obj)
      result += obj_name + "." + i + " = " + obj[i] + "\n";
   return result;
}

function setCenterToPoint(point)
{
  var m = Drupal.gmap.getMap('gmap-view_gmap-gmap0');
  m.map.setCenter(point, 17);
} 


//$(document).ready(function() {
function setuplistener() {
	if (GBrowserIsCompatible()) {  
		
		var m = Drupal.gmap.getMap('gmap-view_gmap-gmap0');	
		
		var point = new GLatLng(55.949920701399755,-3.18878173828125);
		m.map.addOverlay(GPolyline.Circle(point,5000));
		
		GEvent.addListener(m.map, "moveend", function() {
			var m = Drupal.gmap.getMap('gmap-view_gmap-gmap0');
			var center = m.map.getCenter();
			var swbound = new GLatLng(55.87184383395779,-3.33160400390625)
			var nebound = new GLatLng(55.97687190359469,-3.0287933349609375);
			var bounds = new GLatLngBounds(swbound,nebound);
			
			if (!bounds.containsLatLng(center)) {
				var bottom = bounds.getSouthWest().lat();
				var left = bounds.getSouthWest().lng();
				var top = bounds.getNorthEast().lat();
				var right = bounds.getNorthEast().lng();
				var currentlat = center.lat();
				var currentlng = center.lng();
				var newLat = currentlat > top ? top : (currentlat < bottom ? bottom : currentlat); 
				var newLng = currentlng > right ? right : (currentlng < left ? left : currentlng);
				m.map.panTo(new GLatLng(newLat, newLng)); 
			}
		});
	}
}
//});

function keepinbounds() {
  var m = Drupal.gmap.getMap('gmap-view_gmap-gmap0');
  var center = m.map.getCenter();
  var swbound = new GLatLng(55.87184383395779,-3.33160400390625)
  var nebound = new GLatLng(55.97687190359469,-3.0287933349609375);
  var bounds = new GLatLngBounds(swbound,nebound);

  if (!bounds.containsLatLng(center)) {
	var bottom = bounds.getSouthWest().lat();
	var left = bounds.getSouthWest().lng();
	var top = bounds.getNorthEast().lat();
	var right = bounds.getNorthEast().lng();
	var currentlat = center.lat();
	var currentlng = center.lng();
	var newLat = currentlat > top ? top : (currentlat < bottom ? bottom : currentlat); 
	var newLng = currentlng > right ? right : (currentlng < left ? left : currentlng);
	m.map.panTo(new GLatLng(newLat, newLng)); 
  }
}


function checkBoundaries(point) {
	var m = Drupal.gmap.getMap('gmap-view_gmap-gmap0');
	m.map.setCenter(new GLatLng(35.689527, 139.691827), 13);
}


if (typeof GPolyline != 'undefined') {

	GPolyline.Shape = function(point,r1,r2,r3,r4,rotation,vertexCount,  colour,weight,opacity,opts,tilt) {
		var rot = -rotation*Math.PI/180;
		var points = [];
		var latConv = point.distanceFrom(new GLatLng(point.lat()+0.1,point.lng()))*10;
		var lngConv = point.distanceFrom(new GLatLng(point.lat(),point.lng()+0.1))*10;
		var step = (360/vertexCount)||10;
		
		var flop = -1;
		if (tilt) {
			var I1=180/vertexCount;
		} else {
			var  I1=0;
		}
		for(var i=I1; i<=360.001+I1; i+=step) {
			var r1a = flop?r1:r3;
			var r2a = flop?r2:r4;
			flop = -1-flop;
			var y = r1a * Math.cos(i * Math.PI/180);
			var x = r2a * Math.sin(i * Math.PI/180);
			var lng = (x*Math.cos(rot)-y*Math.sin(rot))/lngConv;
			var lat = (y*Math.cos(rot)+x*Math.sin(rot))/latConv;
			
			points.push(new GLatLng(point.lat()+lat,point.lng()+lng));
		}
		return (new GPolyline(points,colour,weight,opacity,opts));
	}
	
	
	GPolyline.Circle = function(point,radius,colour,weight,opacity,opts) {
		return GPolyline.Shape(point,radius,radius,radius,radius,0,100,colour,weight,opacity,opts)
	}

}

if (typeof GPolygon != 'undefined') { 

	GPolygon.Shape = function(point,r1,r2,r3,r4,rotation,vertexCount, strokeColour,strokeWeight,Strokepacity,fillColour,fillOpacity,opts,tilt) {
		var rot = -rotation*Math.PI/180;
		var points = [];
		var latConv = point.distanceFrom(new GLatLng(point.lat()+0.1,point.lng()))*10;
		var lngConv = point.distanceFrom(new GLatLng(point.lat(),point.lng()+0.1))*10;
		var step = (360/vertexCount)||10;
		
		var flop = -1;
		if (tilt) {
			var I1=180/vertexCount;
		} else {
			var  I1=0;
		}
		for(var i=I1; i<=360.001+I1; i+=step) {
			var r1a = flop?r1:r3;
			var r2a = flop?r2:r4;
			flop = -1-flop;
			var y = r1a * Math.cos(i * Math.PI/180);
			var x = r2a * Math.sin(i * Math.PI/180);
			var lng = (x*Math.cos(rot)-y*Math.sin(rot))/lngConv;
			var lat = (y*Math.cos(rot)+x*Math.sin(rot))/latConv;
			
			points.push(new GLatLng(point.lat()+lat,point.lng()+lng));
		}
		return (new GPolygon(points,strokeColour,strokeWeight,Strokepacity,fillColour,fillOpacity,opts));
	}
	
	
	GPolygon.Circle = function(point,radius,strokeColour,strokeWeight,Strokepacity,fillColour,fillOpacity,opts) {
		return GPolygon.Shape(point,radius,radius,radius,radius,0,100,strokeColour,strokeWeight,Strokepacity,fillColour,fillOpacity,opts)
	}

}


function EOffset(point,easting,northing) {
	var latConv = point.distanceFrom(new GLatLng(point.lat()+0.1,point.lng()))*10;
	var lngConv = point.distanceFrom(new GLatLng(point.lat(),point.lng()+0.1))*10;
	return new GLatLng(point.lat()+northing/latConv,point.lng()+easting/lngConv)      
}

function EOffsetBearing(point,dist,bearing) {
	var latConv = point.distanceFrom(new GLatLng(point.lat()+0.1,point.lng()))*10;
	var lngConv = point.distanceFrom(new GLatLng(point.lat(),point.lng()+0.1))*10;
	var lat=dist * Math.cos(bearing * Math.PI/180)/latConv;
	var lng=dist * Math.sin(bearing * Math.PI/180)/lngConv; 
	return new GLatLng(point.lat()+lat,point.lng()+lng)      
}