/// <summary>
/// Handles the PreviewMouseLeftButtonDown event of the Window control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The instance containing the event data.</param>
private void Window_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (CanvasModel.IsAddNewDrone)
{
//place a node at the position of the mouse
var position = e.GetPosition(this);
position.X -= _droneView.ActualWidth / 2;
position.Y -= _droneView.ActualHeight / 2 + 30;
//increase the amount of nodes that are in the window
CanvasModel.NodeIdCount++;
DroneViewModel drone = new DroneViewModel(_canvasModel, position, _showCoverageRadius, RootCanvas, connectors, _commandModel);
//subscribe to warning event if path does not exist
drone.WarningEvent += new DroneViewModel.WarningEventHandler(WarningEventHandler);
drone.LoadingEvent += new DroneViewModel.LoadingEventHandler(LoadingEventHandler);
//add the drone
RootCanvas.Children.Add(drone);
CanvasModel.IsAddNewDrone = false;
ResetCursorAndButtons();
e.Handled = true;
}
//check to see if tower is being placed
if (CanvasModel.IsAddTowerActive)
{
//get position of click
var position = e.GetPosition(this);
position.X -= _droneView.ActualWidth / 2;
position.Y -= _droneView.ActualHeight / 2 + 30;
//setup new line
CanvasModel.Link = new LineModel();
TowerViewModel tower = new TowerViewModel(position, _canvasModel, _showCoverageRadius, RootCanvas, connectors);
//link the new tower to the command
tower.TowerModel.LinkToNode(tower.TowerModel, _commandModel.CommandModel, ref _canvasModel.Link.Line, tower.ActualWidth, tower.ActualHeight, tower.CanvasLeft, tower.CanvasTop,
_commandModel.ActualWidth, _commandModel.ActualHeight, _commandModel.CanvasLeft, _commandModel.CanvasTop);
tower.TowerModel.connections.Add(_commandModel.CommandModel);
//add the children to the canvas
RootCanvas.Children.Add(tower);
connectors.Children.Add(_canvasModel.Link.Line);
//reset cursor
CanvasModel.IsAddTowerActive = false;
ResetCursorAndButtons();
CanvasModel.TowerNodeIdCount++;
e.Handled = true;
}
//chck to see if the node is a drone or command ceneter
if (CanvasModel.IsAddNewLink && e.Source.GetType() == typeof(DroneViewModel) || e.Source.GetType() == typeof(CommandCenterViewModel))
{
if (!CanvasModel.IsLinkStarted)
{
if (CanvasModel.Link == null || CanvasModel.Link.Line.EndPoint != CanvasModel.Link.Line.StartPoint)
{
//get the position of the node
Point position = e.GetPosition(this);
position.Y -= 30;
//create a new link
CanvasModel.Link = new LineModel(position, position);
connectors.Children.Add(CanvasModel.Link.Line);
CanvasModel.IsLinkStarted = true;
//check to see if it is a drone
if (e.Source.GetType() == typeof(DroneViewModel))
{
CanvasModel.LinkedDrone = e.Source as DroneViewModel;
CanvasModel.LinkedCommandCenter = null;
}
//check to see if tis a command center
else
{
CanvasModel.LinkedCommandCenter = e.Source as CommandCenterViewModel;
CanvasModel.LinkedDrone = null;
}
e.Handled = true;
}
}
}
}
/// <summary>
/// Links to tower.
/// </summary>
/// <param name="target">The target.</param>
/// <param name="line">The line.</param>
public void LinkToTower(TowerViewModel target, LineGeometry line)
{
DroneModel.LinkToNode(DroneModel, target.TowerModel, ref line, this.ActualWidth, this.ActualHeight, CanvasLeft, CanvasTop,
target.ActualWidth, target.ActualHeight, target.CanvasLeft, target.CanvasTop);
}
