/// <summary>
/// Adds new push pin to the tank's collection, and possibly retrieves a route to it from the server.
/// </summary>
/// <param name="pushPin">Push-pin to add.</param>
public void AddPushPin(PushPin pushPin)
{
if (currentPushPin == null && pushPins.First.Value == pushPin)
{
currentPushPin = pushPins.First;
}
else
{
LinkedListNode <PushPin> pushPinNode = pushPins.Find(pushPin);
GetRouteFromServer(viewer.BingMapKey, pushPinNode.Previous.Value.Location, pushPinNode.Value.Location,
pushPinNode);
}
}
/// <summary>
/// Deletes a push-pin from the tank's collection.
/// </summary>
/// <param name="pushPinToDelete">The push-pin to delete.</param>
public void DeletePushPin(PushPin pushPinToDelete)
{
RecalculateRoute();
}
/// <summary>
/// Handle the input of the sample.
/// </summary>
private void HandleInput()
{
TouchCollection touchCollection = TouchPanel.GetState();
if (touchCollection.Count > 0)
{
TouchLocation touch = touchCollection[0];
// If the tank is moving he can not be relocated
if (!tank.IsMoving)
{
if (touch.State == TouchLocationState.Pressed && !isDragingTank)
{
Rectangle toucRect = new Rectangle((int)touch.Position.X - 5,
(int)touch.Position.Y - 5, 10, 10);
if (tank.Bounds.Intersects(toucRect))
{
isDragingTank = true;
}
}
else if (touch.State == TouchLocationState.Moved && isDragingTank)
{
tank.Move(touch.Position);
}
else if (touch.State == TouchLocationState.Released && isDragingTank)
{
isDragingTank = false;
}
}
}
// Read all gesture
while (TouchPanel.IsGestureAvailable)
{
GestureSample sample = TouchPanel.ReadGesture();
// If the search button is clicked, the button will handle it.
if (serachButton.HandleInput(sample))
{
return;
}
// If the switch button is clicked, the button will handle it.
if (switchViewButton.HandleInput(sample))
{
return;
}
// If the change mode button is clicked, the button will handle it.
if (changeRotuingModeButton.HandleInput(sample))
{
return;
}
if (tank.IsMoving)
{
// If the draw route button is clicked, the button will handle it.
if (drawRouteButton.HandleInput(sample))
{
return;
}
// If the clear all pushpins button is clicked, the button will handle it.
if (clearPushPinsButton.HandleInput(sample))
{
return;
}
}
if (sample.GestureType == GestureType.Tap)
{
// Gets the position on the displayed map
Vector2 positionOnMap = TileSystem.LatLongToPixelXY(bingMapsViewer.CenterGeoCoordinate, ZoomLevel)
- bingMapsViewer.Offset;
// Gets the distance between the gesture and the center of the screen
Vector2 distance = sample.Position - BingMapsViewer.ScreenCenter;
// Calculate the distance between the center of the screen and the position on the map
Vector2 positionOfGesture = positionOnMap + distance;
PushPin pushPin = new PushPin(bingMapsViewer,
TileSystem.PixelXYToLatLong(positionOfGesture, ZoomLevel), pushPinTexture2D);
pushPins.AddLast(pushPin);
// Indicates to the Tank that new push pin is added
tank.AddPushPin(pushPin);
}
else if (sample.GestureType == GestureType.FreeDrag)
{
if (!isDragingTank)
{
// Move the map when dragging
bingMapsViewer.MoveByOffset(sample.Delta);
}
}
// When an hold gesture is caught on push pin ask if wants to delete
else if (sample.GestureType == GestureType.Hold)
{
// Creates a rectangle around the gesture
Rectangle touchRectangle = new Rectangle(
(int)sample.Position.X - 20,
(int)sample.Position.Y - 40, 60, 100);
foreach (PushPin pushPin in pushPins)
{
// Gets the center of the map displayed
Vector2 center = TileSystem.LatLongToPixelXY(bingMapsViewer.CenterGeoCoordinate,
bingMapsViewer.ZoomLevel);
// Gets the position of the push pin on the map
Vector2 position = TileSystem.LatLongToPixelXY(pushPin.Location, bingMapsViewer.ZoomLevel);
// Calculate the distance between them in screen scale
Vector2 targetPosition = (position - center) + BingMapsViewer.ScreenCenter +
bingMapsViewer.Offset;
// Checks if the push pin is in side the gesture rectangle
if (touchRectangle.Contains(new Rectangle((int)targetPosition.X, (int)targetPosition.Y, 1, 1)))
{
Guide.BeginShowMessageBox("Warning!", "Are you sure you want to delete this push pin?",
new List <string>()
{
"OK", "Cancel"
}, 0, MessageBoxIcon.Alert,
DeletePushPinCallBack, pushPin);
return;
}
}
}
}
}
