var map;
var bounds;
var businesses;
var geocodes;
var cntGeocoded = 0;
var directionsPanel;
var directions;
var focusedBusiness;

function generateMap() {
	if (GBrowserIsCompatible() && document.getElementById("svmap_canvas") != null) {
        geocoder = new GClientGeocoder();
        geocoder.setCache(null);
        
        var mapOptions = {
        	mapTypes:[G_NORMAL_MAP]
        				, googleBarOptions : {
				style : "new",
				adsOptions: {
					client: "ca-pub-2835077168755201",
					channel: "",
					adsafe: "medium",
					language: "en"
				}
			}
			        };

		map = new GMap2(document.getElementById("svmap_canvas"), mapOptions);
																
		var mapControl = new GMapTypeControl();
		map.addControl(mapControl);
				map.addControl(new GLargeMapControl());	
				
		
				map.enableGoogleBar();
				
				map.addControl(new GOverviewMapControl());	
				
				
				map.disableDoubleClickZoom();	
				
				map.enableScrollWheelZoom();	
				
		bounds = new GLatLngBounds;
						
		map.setCenter(new GLatLng(48.48885175366314,-1.9994258880615234), 14);
		
				
		var marker14 = new GIcon();
		marker14.image = "http://chambretypic.free.fr/components/com_svmap/markers/letter-a.png";
		marker14.iconSize = new GSize(20,34);
		marker14.iconAnchor = new GPoint(10,34);
		marker14.infoWindowAnchor = new GPoint(10,17);

				
				businesses = [[1,marker14,"",48.48898187942329,-1.999361515045166,'<h1></h1><p>	<br />	<br />	<br /></p><p>	</p>',"/index.php?option=com_svmap&amp;layout=business&amp;business=1&amp;name=&amp;Itemid=10",""]];
		addBusinesses();
		
		
			}
}

function setBounds(bounds) {
	map.setZoom(map.getBoundsZoomLevel(bounds));
	map.setCenter(bounds.getCenter());
}

function geocodeBusinesses() {
	if (cntGeocoded < geocodes.length) {
		geocoder.getLocations(geocodes[cntGeocoded][7], addressResolved);
	}
}

function addressResolved(response) {
	var delay = 0;
	if (response.Status.code == 620) {
		delay = 500;
	} else {
		if (response.Status.code == 200) {
			var address = response.Placemark[0];
			geocodes[cntGeocoded][3] = address.Point.coordinates[1];
			geocodes[cntGeocoded][4] = address.Point.coordinates[0];
			
			addBusiness(geocodes[cntGeocoded]);
		}
		// Move onto the next address; this skips bad addresses, too.
		cntGeocoded += 1;
	}
	window.setTimeout(geocodeBusinesses, delay);
}

function addBusinesses() {
	for (var i=0; i < businesses.length; i++) {
		addBusiness(businesses[i]);
	}
}

function addBusiness(business) {

	var point = new GLatLng(business[3], business[4]);
	var markerOptions = { icon:business[1], draggable: false, "title":business[2] };
	var marker = new GMarker(point, markerOptions);
	
	var form = '<div style="height:70px">	Trouver un itinéraire : <a href="#" onclick="showFormTo(); return false;">A partir de ce lieu</a> - <a href="#" onclick="showFormFrom(); return false;">Vers ce lieu</a>	<form id="formTo" style="display:none" onsubmit="findDirections(\''+business[3]+','+business[4]+'\',document.getElementById(\'to\').value); return false;">		<label>A partir de : '+business[2]+'</label><br />		<label>Vers :</label>		<input type="text" id="to" size="10" /><br />		<input type="submit" value="Trouver" />	</form>	<form id="formFrom" style="display:none" onsubmit="findDirections(document.getElementById(\'from\').value,\''+business[3]+','+business[4]+'\'); return false;">		<label>A partir de :</label>		<input type="text" id="from" size="10" /><br />		<label>Vers : '+business[2]+'</label><br />		<input type="submit" value="Trouver" />	</form></div>';
	
		var info = business[5];
		info += form;
			var div = document.createElement("div");
	div.style.width = "200px";
	div.style.height = "200px";
	
	var pano = new GStreetviewPanorama(div);
  	pano.setLocationAndPOV(point);
  	GEvent.addListener(pano, "error", function() { marker.bindInfoWindowHtml(info); } );
	
	var tabs = [new GInfoWindowTab('Info', info),new GInfoWindowTab('StreetView', div)];
	marker.bindInfoWindowTabsHtml(tabs);
	
	GEvent.addListener(marker, "infowindowopen", function() { pano.show(); });
	GEvent.addListener(marker, "infowindowbeforeclose", function() { pano.hide(); });
				
	map.addOverlay(marker);	
	
		
	
}

function showFormFrom() {
	document.getElementById('formFrom').style.display = 'block';
	document.getElementById('formTo').style.display = 'none';
	return false;
}
function showFormTo() {
	document.getElementById('formTo').style.display = 'block';
	document.getElementById('formFrom').style.display = 'none';
	return false;
}

function findDirections(from, to) {
	if (directions == null) {
		directionsPanel = document.getElementById('svmap_directions_panel');
		directions = new GDirections(map, directionsPanel);
		GEvent.addListener(directions, "error", directionsError);
	} else {
		directions.clear();
	}
	directions.load("from: "+from+" to: "+to);
}

function directionsError(response) {
	status = response.getStatus();
	switch (status.code) {
		case 602:
			message = "Aucune localisation géographic n'a pu être trouvé pour cette adresse. Cela peut venir du fait que l'adresse est trop récente, ou incorrecte.";
			break;
		case 603:
			message = "L'itinéraire demandé ne peut être communiqué pour des raisons légales ou contractuelles.";
			break;
		case 604:
			message = "L'itinéraire demandé n'a pas pu être trouvé. Cela peut venir du fait qu'aucun itinéraire n'existe entre ces deux points, ou parcequ'il n'y a pas d'informations de localisation dans cette région.";
			break;
		default:
			message = "L'itinéraire demandé n'a pas pu être trouvé.";
			break;
	}
	
	alert(message);
}