/// <summary>
/// Método que dibuja una conexión en un panel específico
/// </summary>
/// <param name="drawArea">Panel en donde se va a dibujar la conexión</param>
public void DrawConnection(Panel drawArea)
{
if (drawArea == null)
{
throw new ArgumentNullException("drawArea", "drawArea can not be null");
}
ConnectionPointWpf source = this.Source as ConnectionPointWpf;
ConnectionPointWpf target = this.Target as ConnectionPointWpf;
Canvas canvas = new Canvas();
LineGeometry myLineGeometry = new LineGeometry();
Point fromPoint, toPoint;
fromPoint = source.UIElement.TranslatePoint(source.CentralPoint, drawArea);
toPoint = target.UIElement.TranslatePoint(target.CentralPoint, drawArea);
myLineGeometry.StartPoint = fromPoint;
myLineGeometry.EndPoint = toPoint;
System.Windows.Shapes.Path myPath = new System.Windows.Shapes.Path();
myPath.Stroke = Brushes.Black;
myPath.StrokeThickness = 4;
myPath.Data = myLineGeometry;
canvas.Children.Add(myPath);
canvas.MouseRightButtonUp += new System.Windows.Input.MouseButtonEventHandler(myCanvas_MouseRightButtonUp);
GenerateContextMenu(canvas);
this.MyCanvas = canvas;
drawArea.Children.Insert(0, canvas);
}
/// <summary>
/// Función que contruye un canvas para el FormMenuItemWpf.
/// </summary>
public void MakeCanvas()
{
ConnectionPointWpf outputConnectionPoint = this.OutputConnectionPoint as ConnectionPointWpf;
outputConnectionPoint.MakeCanvas();
// Agrega los eventos a los puntos de conexión.
if (!ConnectionPointClickAttached)
{
ConnectionPointClickAttached = true;
outputConnectionPoint.Click += new EventHandler(outputConnectionPoint_Click);
}
// Crea el grupo de canvas
Canvas groupItemCanvas = Utilities.CanvasFromXaml("CanvasMenuItem.xaml");
groupItemCanvas.Width = this.Width;
groupItemCanvas.Height = this.Height;
// Agrega los hijos al canvas
groupItemCanvas.Children.Add(outputConnectionPoint.MyCanvas);
((TextBlock)groupItemCanvas.FindName("Label")).Text = this.Text;
Canvas.SetLeft(outputConnectionPoint.MyCanvas, groupItemCanvas.Width);
Canvas.SetTop(outputConnectionPoint.MyCanvas, groupItemCanvas.Height / 4);
this.myCanvas = groupItemCanvas;
}
/// <summary>
/// Contructor.
/// </summary>
/// <param name="from">ConnectionPoint origen del ConnectionWpf</param>
/// <param name="target">ConnectionPoint destino del ConnectionWpf</param>
public ConnectionWpf(ConnectionPointWpf from, ConnectionPointWpf target)
: base(from, target)
{
if (from == null)
{
throw new ArgumentNullException("from", "from can not be null");
}
if (target == null)
{
throw new ArgumentNullException("target", "target can not be null");
}
}
/// <summary>
/// Función llamada cuando se presiona un punto de conexión
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void myWidget_ConnectionClick(object sender, ConnectionPointClickEventArgs e)
{
if (IsMakeConnectionAction)
{
Component tempComponent = sender as Component;
ConnectionPointWpf connectionPoint = e.ConnectionPoint as ConnectionPointWpf;
// Si es una conexión
if (ConnectionWidgetFrom == null)
{
Error errorSingleOutput = VerifySingleOutputConnection(tempComponent);
if (errorSingleOutput != null)
{
Util.ShowErrorDialog(errorSingleOutput.Description, UtnEmall.ServerManager.Properties.Resources.ConnectionErrors);
return;
}
ConnectionWidgetFrom = tempComponent;
ConnectionPointFrom = connectionPoint;
windowsDesigner.textBlockStatusBar.Text = UtnEmall.ServerManager.Properties.Resources.SelectFormTargetConnection;
return;
}
//
//
else
{
ConnectionWidgetTarget = tempComponent;
ConnectionPointTarget = connectionPoint;
Error connectionError = CheckDuplicatedConnection();
if (connectionError != null)
{
Util.ShowErrorDialog(connectionError.Description, "Error");
windowsDesigner.textBlockStatusBar.Text = ".";
isMakeConnectionAction = false;
return;
}
Collection <Error> connectionErrors = CheckConnection();
if (connectionErrors.Count > 0)
{
Util.ShowErrorDialog(UtnEmall.ServerManager.Properties.Resources.ConnectionErrors, connectionErrors);
windowsDesigner.textBlockStatusBar.Text = ".";
isMakeConnectionAction = false;
return;
}
Collection <Error> errors = VerifyConnection();
if (errors.Count > 0)
{
Util.ShowErrorDialog(UtnEmall.ServerManager.Properties.Resources.ConnectionErrors, errors);
windowsDesigner.textBlockStatusBar.Text = ".";
windowsDesigner.textBlockStatusBar.UpdateLayout();
isMakeConnectionAction = false;
return;
}
CreateConnection();
RedrawConnections();
isMakeConnectionAction = false;
windowsDesigner.textBlockStatusBar.Text = ".";
}
}
}
/// <summary>
///Constructor.
/// </summary>
/// <param name="text">Texto a mostrarse en el FormMenuItemWpf.</param>
/// <param name="name">Fuente del FormMenuItemWpf.</param>
public FormMenuItemWpf(string text, string help, FontName name)
: base(text, help, name)
{
OutputConnectionPoint = new ConnectionPointWpf(ConnectionPointType.Output, this);
}
