public void TestSetCurrentState()
{
Assert.ThrowsException <ArgumentNullException>(() => _canvasDrawer.SetCurrentState(null));
var currentState = new CanvasDrawerPointerState(_canvasDrawer);
_canvasDrawer.SetCurrentState(currentState);
Assert.AreSame(_target.GetFieldOrProperty(MEMBER_VARIABLE_NAME_CURRENT_STATE), currentState);
}
/// <summary>
/// Handles the canvas left mouse pressed.
/// </summary>
public void HandleCanvasLeftMousePressed(Point mousePosition)
{
if (_canvasDrawer.CurrentShapeDrawerType == ShapeDrawerType.None)
{
return;
}
_canvasDrawer.SetCurrentState(new CanvasDrawerDrawingState(_canvasDrawer, mousePosition));
}
/// <summary>
/// Handles the canvas left mouse released.
/// </summary>
public void HandleCanvasLeftMouseReleased(Point mousePosition)
{
EndDrawing(mousePosition);
_canvasDrawer.SetCurrentState(new CanvasDrawerPointerState(_canvasDrawer));
}
/// <summary>
/// Goes the state of to resizing.
/// </summary>
private void GoToResizingState(ShapeDrawer selectedResizingShapeDrawer)
{
_canvasDrawer.SetCurrentState(new CanvasDrawerResizingState(_canvasDrawer, selectedResizingShapeDrawer));
_canvasDrawer.NotifyCurrentShapeChanged(); // Only notify after `CanvasDrawerResizingState` is completely created.
}
/// <summary>
/// Handles the canvas left mouse released.
/// </summary>
public void HandleCanvasLeftMouseReleased(Point mousePosition)
{
_canvasDrawer.CreateThenExecuteResizingCommand(_currentResizingShapeShapeDrawer, _currentResizingShapeOldDrawingEndingPoint, _currentResizingShapeShapeDrawer.DrawingEndingPoint);
_canvasDrawer.SetCurrentState(new CanvasDrawerPointerState(_canvasDrawer));
_canvasDrawer.NotifyCurrentShapeChanged(); // Only notify after `CanvasDrawerPointerState` is completely created.
}
/// <summary>
/// Handles the canvas left mouse released.
/// </summary>
public void HandleCanvasLeftMouseReleased(Point mousePosition)
{
EndDrawing(mousePosition);
_canvasDrawer.SetCurrentState(new CanvasDrawerPointerState(_canvasDrawer));
_canvasDrawer.NotifyCurrentShapeChanged(); // Only notify after `CanvasDrawerPointerState` is completely created.
}
