/// <summary>
/// constructor.
/// </summary>
/// <param name="canvasModel">used to update the local canvas object</param>
/// <param name="position">used to position the drone in the canvas</param>
/// <param name="showCoverage">used to set if the coverage map should be enabled</param>
public DroneViewModel(MainCanvasModel canvasModel, Point position, bool showCoverage, Canvas rootCanvas, GeometryGroup connectors, CommandCenterViewModel commandModel)
{
//init component, set data conext for xaml
InitializeComponent();
DataContext = this;
//update the canvas element, create new drone
_canvasModel = canvasModel;
DroneModel = new DroneModel();
SetPosition(position);
_showCoverageRadius = showCoverage;
_rootCanvas = rootCanvas;
_connectors = connectors;
_commandModel = commandModel;
DroneModel.NodeId = canvasModel.NodeIdCount;
NodeId = canvasModel.NodeIdCount.ToString();
//check if the new drone is in range of another Node, and if it is, link the two nodes
DroneModel.checkCoverageCollision(_rootCanvas, this.DroneModel, _connectors);
DroneModel.UpdateLinks(CanvasLeft, CanvasTop, 300, 300, DroneModel);
DroneModel.checkCoverageCollision(_rootCanvas, this.DroneModel, _connectors);
}
/// <summary>
/// Initializes a new instance of the mainWindow class.
/// </summary>
public MainWindow()
{
InitializeComponent();
DataContext = this;
CanvasModel = new MainCanvasModel();
_commandModel = new CommandCenterViewModel();
//create new drone at point 50, 50
_droneView = new DroneViewModel(_canvasModel, new Point(50, 50), _showCoverageRadius, RootCanvas, connectors, _commandModel);
RootCanvas.Children.Add(_droneView);
RootCanvas.Children.Add(_commandModel);
//subscribe to warning event if path does not exist
_droneView.WarningEvent += new DroneViewModel.WarningEventHandler(WarningEventHandler);
_droneView.LoadingEvent += new DroneViewModel.LoadingEventHandler(LoadingEventHandler);
}
/// <summary>
/// Handles the PreviewMouseLeftButtonUp 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_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
//check to see if a new link is being placed
if (CanvasModel.IsAddNewLink && CanvasModel.IsLinkStarted)
{
bool linked = false;
//check to see if the source is the command center
if (e.Source.GetType() == typeof(CommandCenterViewModel))
{
CommandCenterViewModel targetNode = e.Source as CommandCenterViewModel;
CanvasModel.Link.Line.EndPoint = e.GetPosition(this);
if (CanvasModel.Link.Line.EndPoint != CanvasModel.Link.Line.StartPoint && CanvasModel.LinkedCommandCenter != targetNode)
{
CanvasModel.LinkedDrone.LinkToCommand(targetNode, CanvasModel.Link.Line);
linked = true;
}
}
//check to see if the item being placed is a drone model
if (e.Source.GetType() == typeof(DroneViewModel))
{
DroneViewModel targetNode = e.Source as DroneViewModel;
CanvasModel.Link.Line.EndPoint = e.GetPosition(this);
//place the drone on the canvas
if (CanvasModel.Link.Line.EndPoint != CanvasModel.Link.Line.StartPoint && CanvasModel.LinkedDrone != targetNode)
{
CanvasModel.LinkedDrone.LinkToDrone(targetNode, ref CanvasModel.Link.Line);
linked = true;
}
}
//link up the new node
if (!linked)
{
connectors.Children.Remove(CanvasModel.Link.Line);
CanvasModel.Link = null;
}
CanvasModel.IsLinkStarted = CanvasModel.IsAddNewLink = false;
ResetCursorAndButtons();
e.Handled = true;
}
//if delete is active
if (CanvasModel.IsDeleteActive)
{
//check if it is a drone model
if (e.Source.GetType() == typeof(DroneViewModel))
{
var selectedDrone = e.Source as DroneViewModel;
//loop through everything on canvas starting at root
foreach (var child in RootCanvas.Children)
{
NodeModel targetChild = null;
//checks to see the child is a drone or tower
if (child.GetType() == typeof(DroneViewModel))
{
if (child.GetType() == typeof(DroneViewModel))
{
var view = child as DroneViewModel;
targetChild = view.DroneModel as NodeModel;
}
else
{
var view = child as TowerViewModel;
targetChild = view.TowerModel as NodeModel;
}
Geometry lineToRemove = null;
//remove the start lines from the list
foreach (LineGeometry line in selectedDrone.DroneModel.StartLines.ToArray())
{
List <Geometry> lines = new List <Geometry>(targetChild.EndLines);
lineToRemove = lines.Find(x => x.Bounds == line.Bounds);
if (lineToRemove != null)
{
connectors.Children.Remove(lineToRemove);
}
var lineData = lineToRemove as LineGeometry;
selectedDrone.DroneModel.StartLines.Remove(lineData);
selectedDrone.DroneModel.EndLines.Remove(lineData);
targetChild.StartLines.Remove(lineData);
targetChild.EndLines.Remove(lineData);
selectedDrone.DroneModel.connections.Remove(targetChild);
targetChild.connections.Remove(selectedDrone.DroneModel);
}
//remove end lines from the list
foreach (LineGeometry line in selectedDrone.DroneModel.EndLines.ToArray())
{
List <Geometry> lines = new List <Geometry>(targetChild.StartLines);
lineToRemove = lines.Find(x => x.Bounds == line.Bounds);
if (lineToRemove != null)
{
connectors.Children.Remove(lineToRemove);
}
var lineData = lineToRemove as LineGeometry;
selectedDrone.DroneModel.StartLines.Remove(lineData);
selectedDrone.DroneModel.EndLines.Remove(lineData);
targetChild.StartLines.Remove(lineData);
targetChild.EndLines.Remove(lineData);
selectedDrone.DroneModel.connections.Remove(targetChild);
targetChild.connections.Remove(selectedDrone.DroneModel);
}
}
}
//remove the start lines from the canvas
foreach (LineGeometry line in selectedDrone.DroneModel.StartLines)
{
var lineToRemove = connectors.Children.Where(x => x.Bounds == line.Bounds);
connectors.Children.Remove(lineToRemove.FirstOrDefault());
}
//remove the end lines from the canvas
foreach (LineGeometry line in selectedDrone.DroneModel.EndLines)
{
var lineToRemove = connectors.Children.Where(x => x.Bounds == line.Bounds);
connectors.Children.Remove(lineToRemove.FirstOrDefault());
}
RootCanvas.Children.Remove(selectedDrone);
selectedDrone.DroneModel.connections.Clear();
selectedDrone.DroneModel.StartLines.Clear();
selectedDrone.DroneModel.EndLines.Clear();
}
//check to see if it's a tower
else if (e.Source.GetType() == typeof(TowerViewModel))
{
var selectedDrone = e.Source as TowerViewModel;
//loop through all nodes on canvas starting at root
foreach (var child in RootCanvas.Children)
{
NodeModel targetChild = null;
//checks to seee if the child is a drone or a tower
if (child.GetType() == typeof(DroneViewModel))
{
if (child.GetType() == typeof(DroneViewModel))
{
var view = child as DroneViewModel;
targetChild = view.DroneModel as NodeModel;
}
else
{
var view = child as TowerViewModel;
targetChild = view.TowerModel as NodeModel;
}
Geometry lineToRemove = null;
//remove start lines from the list
foreach (LineGeometry line in selectedDrone.TowerModel.StartLines.ToArray())
{
List <Geometry> lines = new List <Geometry>(targetChild.EndLines);
lineToRemove = lines.Find(x => x.Bounds == line.Bounds);
if (lineToRemove != null)
{
connectors.Children.Remove(lineToRemove);
}
var lineData = lineToRemove as LineGeometry;
selectedDrone.TowerModel.StartLines.Remove(lineData);
selectedDrone.TowerModel.EndLines.Remove(lineData);
targetChild.StartLines.Remove(lineData);
targetChild.EndLines.Remove(lineData);
selectedDrone.TowerModel.connections.Remove(targetChild);
targetChild.connections.Remove(selectedDrone.TowerModel);
}
//remove end lines from the list
foreach (LineGeometry line in selectedDrone.TowerModel.EndLines.ToArray())
{
List <Geometry> lines = new List <Geometry>(targetChild.StartLines);
lineToRemove = lines.Find(x => x.Bounds == line.Bounds);
if (lineToRemove != null)
{
connectors.Children.Remove(lineToRemove);
}
var lineData = lineToRemove as LineGeometry;
selectedDrone.TowerModel.StartLines.Remove(lineData);
selectedDrone.TowerModel.EndLines.Remove(lineData);
targetChild.StartLines.Remove(lineData);
targetChild.EndLines.Remove(lineData);
selectedDrone.TowerModel.connections.Remove(targetChild);
targetChild.connections.Remove(selectedDrone.TowerModel);
}
}
}
//remove the start lines from the canvas
foreach (LineGeometry line in selectedDrone.TowerModel.StartLines)
{
var lineToRemove = connectors.Children.Where(x => x.Bounds == line.Bounds);
connectors.Children.Remove(lineToRemove.FirstOrDefault());
}
//remove the end lines from the canvas
foreach (LineGeometry line in selectedDrone.TowerModel.EndLines)
{
var lineToRemove = connectors.Children.Where(x => x.Bounds == line.Bounds);
connectors.Children.Remove(lineToRemove.FirstOrDefault());
}
RootCanvas.Children.Remove(selectedDrone);
selectedDrone.TowerModel.connections.Clear();
selectedDrone.TowerModel.StartLines.Clear();
selectedDrone.TowerModel.EndLines.Clear();
}
CanvasModel.IsDeleteActive = false;
}
ResetCursorAndButtons();
}
/// <summary>
/// Links the drone to the command center
/// </summary>
/// <param name="target"></param>
/// <param name="line"></param>
public void LinkToCommand(CommandCenterViewModel target, LineGeometry line)
{
DroneModel.LinkToNode(DroneModel, target.CommandModel, ref line, this.ActualWidth, this.ActualHeight, CanvasLeft, CanvasTop,
target.ActualWidth, target.ActualHeight, target.CanvasLeft, target.CanvasTop);
}
