/// <summary>
/// Selects a tile on the mouse-down event.
/// IMPORTANT: Any changes that are done here regarding node-selection
/// should be reflected in RouteView.Go() since that is an alternate way
/// to select a tile.
/// </summary>
/// <param name="e"></param>
protected override void OnMouseDown(MouseEventArgs e)
{
// base.OnMouseDown(e);
Select();
if (MapFile != null) // safety.
{
var loc = GetTileLocation(e.X, e.Y);
if (loc.X != -1)
{
MapFile.Location = new MapLocation( // fire LocationSelectedEvent
loc.Y,
loc.X,
MapFile.Level);
MainViewUnderlay.Instance.MainViewOverlay.ProcessTileSelection(loc, loc); // set selected location for other viewers.
// NOTE: drag-selection is not allowed here.
if (RoutePanelMouseDownEvent != null)
{
var args = new RoutePanelEventArgs();
args.MouseButton = e.Button;
args.Tile = MapFile[loc.Y, loc.X];
args.Location = MapFile.Location;
RoutePanelMouseDownEvent(this, args); // fire RouteView.OnRoutePanelMouseDown()
}
SelectedPosition = loc; // NOTE: if a new 'SelectedPosition' is set before firing the
} // RoutePanelMouseDownEvent, OnPaint() will draw a frame with
} // incorrectly selected-link lines. So set the 'SelectedPosition'
} // *after* the event happens.
protected override void OnMouseUp(MouseEventArgs e)
{
// base.OnMouseUp(e);
if (MapFile != null && // safety.
RoutePanelMouseUpEvent != null)
{
var loc = GetTileLocation(e.X, e.Y);
if (loc.X != -1)
{
var args = new RoutePanelEventArgs();
args.MouseButton = e.Button;
args.Tile = MapFile[loc.Y, loc.X];
args.Location = new MapLocation(
loc.Y,
loc.X,
MapFile.Level);
RoutePanelMouseUpEvent(this, args);
}
}
}
