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var map = null; // this var holds the VE map
// Initializes the VE map and calls the method to load the data
function InitializeMap() {
// make sure map is initialized
if (map == null) {
map = new VEMap('myMap'); // initialize map
map.LoadMap(); // load it
map.SetMapStyle('r'); // set the MapStype to "Road"
map.SetCenter(new VELatLong("48.132241398091125", "11.575480699539175")); // and zoom to Munich
}
// load the locations and display them on the map
GetLocations();
}
// calls the WS and retrieves the Locations. Since this call is async we need
// to wire up a method which should be called when the call to the webservice
// succeeds and one if the call fails
function GetLocations() {
// wire up the methods to call in case of success and failure
ShowLocationsOnVirtualEarth.Locations.set_defaultSucceededCallback(OnSucceededCallbackRoute);
ShowLocationsOnVirtualEarth.Locations.set_defaultFailedCallback(OnErrorCallbackRoute);
// call the webservice
ShowLocationsOnVirtualEarth.Locations.GetLocations();
}
// Callback function invoked when the call to
// the Web service methods succeeds.
function OnSucceededCallbackRoute(result) {
// draw the locations on the map
DrawLocationsOnMap(result);
}
// this function draws the locations on a map
function DrawLocationsOnMap(ListOfLocations) {
if ((map != null) && (ListOfLocations != null) && (ListOfLocations.length > 0)) {
// this array holds all the VELatLong values
// used later to set the zoom of the map to display
// all the locations
var points = new Array();
var vELatLong;
// draw the Locations on the map
for (i = 0; i < ListOfLocations.length; i++) {
vELatLong = CreateVELatLongFromLocations(ListOfLocations[i]);
points[i] = vELatLong;
// add the location to the map
map.AddShape(AddDot(vELatLong,
ListOfLocations[i].Name,
ListOfLocations[i].Description,
ListOfLocations[i].MatchedAddress,
ListOfLocations[i].URL));
// Zoom the map according to all locations
map.SetMapView(points);
}
}
}
// ************************************************************
// *** some tools ;-) ***
// ************************************************************
// Converts a Location into a VELatLong object
// Parameters:
// Location: a Location
// return: a VELatLong instance
function CreateVELatLongFromLocations(Location) {
return new VELatLong(Location.Latitude, Location.Longitude);
}
// Creates a custom VEShape (which represents a dot on the map)
function AddDot(Point, Name, Description, MatchedAddress, URL) {
var shape = new VEShape(VEShapeType.Pushpin, Point);
shape.SetTitle(Name);
var descriptionText = '<b>Description:</b> ' + Description +
'<br /><br /><b>Address:</b> ' + MatchedAddress +
'<br /><br /><b>Homepage:</b> <a href = "' + URL + '">' + URL + '</a>';
shape.SetDescription(descriptionText);
shape.SetCustomIcon('<div><img src="images/info.png" /></div>');
return shape;
}
// Callback function invoked when the call to
// the Web service methods fails.
function OnErrorCallbackRoute(error) {
alert("Error (route): " + error.get_message());
}
if(typeof(Sys) !== "undefined") Sys.Application.notifyScriptLoaded(); | 