/// <summary>
/// this funtion initialize the drag and drop movement
/// </summary>
/// <param name="sender">the grip area</param>
/// <param name="e">the arguments</param>
private void BeginDragAction(object sender, MouseEventArgs e)
{
this.mouseSituationFromLastMove = new mathematics.Vector3D();
// we get the new situation of the mouse before any movement
this.SetVectorFromCanvasCoodonate(this.mouseSituationFromLastMove, e.GetPosition(this.graphCanvas));
}
/// <summary>
/// this funtion use the grip area to move the center of the graph
/// </summary>
/// <param name="sender">the grip area</param>
/// <param name="e">the arguments</param>
private void MoveFromMouseMovement(object sender, MouseEventArgs e)
{
mathematics.Vector3D currentMousePosition = new mathematics.Vector3D();
this.SetVectorFromCanvasCoodonate(currentMousePosition, e.GetPosition(this.graphCanvas));
// we create an opposit vector of the mouse movement by making the substraction between the two vector
this.mouseSituationFromLastMove.Subtract(currentMousePosition);
// we add the move vector to the center of the view
this.center.Add(this.mouseSituationFromLastMove);
// we get the new situation of the mouse after moving the center
this.SetVectorFromCanvasCoodonate(this.mouseSituationFromLastMove, e.GetPosition(this.graphCanvas));
}
/// <summary>
/// Initializes a new instance of the ViewManager class.
/// </summary>
/// <param name="model">the model to observe</param>
public ViewManager(model.ModelManager model)
{
this.InitializeComponent();
this.modelManager = model;
this.modelManager.NodeTypesChanged += new EventHandler(this.ModelManager_NodeTypesChanged);
this.modelManager.LinkTypesChanged += new EventHandler(this.ModelManager_LinkTypesChanged);
this.center = new mathematics.Vector3D(0, 0, 0);
this.visualEffectList = new List<ICE.view.visualEffect.IVisualEffect>();
this.Settings = new setting.Settings();
this.splachScreen = new SplashScreen();
this.mouseManager = new MouseManager(this.gripArea);
this.mouseManager.DragOnLeftButtonDown += new MouseEventHandler(this.BeginDragAction);
this.mouseManager.MouseMovedOnLeftButtonDown += new MouseEventHandler(this.MoveFromMouseMovement);
this.mouseManager.WheelMouseDown += new MouseEventHandler(this.WheelMouseDown);
this.mouseManager.WheelMouseUp += new MouseEventHandler(this.WheelMouseUp);
this.gripArea.MouseLeftButtonDown += delegate(object sender, MouseButtonEventArgs arg)
{
if (this.currentActionMenu != null)
{
this.currentActionMenu.Close();
this.currentActionMenu = null;
}
};
// create the timer
this.timer = new DispatcherTimer();
}
