public ArrowViewModel(ClassViewModel nVMEndA, ClassViewModel nVMEndB, EArrows type)
{
arrow = new Arrow();
DiagramA = nVMEndA;
DiagramB = nVMEndB;
Type = arrowTypeConverter(type);
initArrow();
newPath();
}
private EArrows arrowTypeConverter(EArrows type)
{
switch (type)
{
case EArrows.ASSOCIATION:
thisArrow = normArrow;
Dashed = "1 0";
ColorFill = "Transparent";
return(EArrows.ASSOCIATION);
case EArrows.NORMAL:
thisArrow = new PointCollection();
Dashed = "1 0";
ColorFill = "Transparent";
return(EArrows.NORMAL);
default:
thisArrow = normArrow;
Dashed = "1 0";
ColorFill = "Transparent";
return(EArrows.NORMAL);
}
}
public void AddNormalArrow()
{
type = EArrows.NORMAL;
AddArrow();
}
public void MouseUpDiagram(MouseEventArgs e)
{
FrameworkElement movingClass = (FrameworkElement)e.MouseDevice.Target;
FocusedClass = (ClassViewModel)movingClass.DataContext;
if (isAddingArrow)
{
if (startArrow == null)
{
startArrow = FocusedClass;
}
else if (startArrow != FocusedClass)
{
undoRedoController.AddAndExecute(new AddArrowCommand(arrowCollection, new ArrowViewModel(startArrow, FocusedClass, type)));
isAddingArrow = false;
startArrow = null;
type = EArrows.NORMAL;
}
}
else
{
if (oldMousePositionPoint == e.GetPosition(FindParent <Canvas>((FrameworkElement)e.MouseDevice.Target)))
{
e.MouseDevice.Target.ReleaseMouseCapture();
return;
}
ClassViewModel movingDiagram = (ClassViewModel)movingClass.DataContext;
canvas = FindParent <Canvas>(movingClass);
Point mousePosition = Mouse.GetPosition(canvas);
int X, Y, oldX, oldY;
if ((int)mousePosition.X - relativeMousePositionX >= 0)
{
X = (int)mousePosition.X - relativeMousePositionX;
}
else
{
X = 0;
}
if ((int)mousePosition.Y - relativeMousePositionY >= 0)
{
Y = (int)mousePosition.Y - relativeMousePositionY;
}
else
{
Y = 0;
}
if ((int)moveArrowPoint.X - relativeMousePositionX >= 0)
{
oldX = (int)moveArrowPoint.X - relativeMousePositionX;
}
else
{
oldX = 0;
}
if ((int)moveArrowPoint.Y - relativeMousePositionY >= 0)
{
oldY = (int)moveArrowPoint.Y - relativeMousePositionY;
}
else
{
oldY = 0;
}
undoRedoController.AddAndExecute(new MoveDiagramCommand(movingDiagram, X, Y, oldX, oldY, arrowCollection));
moveArrowPoint = new Point();
relativeMousePositionX = -1;
relativeMousePositionY = -1;
e.MouseDevice.Target.ReleaseMouseCapture();
}
}
public void AddAssociationArrow()
{
type = EArrows.ASSOCIATION;
AddArrow();
}
