// TODO Should be done in one function insted of split onto two.
public void PerformIsFreeHand(object obj)
{
//_drawingMode = false;
_shapeMode = _lineMode = false;
_tempLine = null;
Mouse.OverrideCursor = System.Windows.Input.Cursors.Hand;
}
/// <summary>
/// PerformShapeMouseDown - Selects the shape associated with the recieved event and
/// stores the starting position in-case a drag is initialized.
/// </summary>
/// <param name="e">Click event</param>
private void PerformShapeMouseDown(MouseButtonEventArgs e)
{
var source = e.Source as UIElement;
// Start the line mode.
if (_lineMode && (source != null))
{
var fElement = source as FrameworkElement;
var shape = fElement.DataContext as ShapeViewModel;
// End point
if (_tempLine != null)
{
_tempLine.To = shape.Id;
_tempLine.ToShape = shape;
_tempLine.ToOffsetX = shape.OffsetX;
_tempLine.ToOffsetY = shape.OffsetY;
Lines.Add(_tempLine);
IUndoRedoCommand cmd = new AddLineCommand(_tempLine, this);
_undoRedo.InsertInUndoRedo(cmd);
_tempLine = null;
}
else
{
_tempLine = new LineViewModel(new UMLLine(shape.Id, _toolboxLineValue));
_tempLine.FromShape = shape;
_tempLine.FromOffsetX = shape.OffsetX;
_tempLine.FromOffsetY = shape.OffsetY;
}
// Skip the event call ladder.
e.Handled = true;
}
// Selection of a shape / drag event.
else if (!_shapeMode && (source != null))
{
// Deselect previous
if (SelectedElements != null)
{
//ClearSelection();
}
// Select new
DoSelection(source);
}
}