private void OnGenerateShapeCommand()
{
Shape shape = null;
if (SelectedShapeType == ShapeType.Circle)
{
shape = _generateShapeHelper.GenerateCircle();
}
if (SelectedShapeType == ShapeType.Rectangle)
{
shape = _generateShapeHelper.GenerateRectangle();
}
if (SelectedShapeType == ShapeType.Trapezium)
{
shape = _generateShapeHelper.GenerateTrapezium();
}
if (shape != null)
{
ShapesFullList.Add(shape);
ShapesFullList = new CustomList <Shape>(ShapesFullList);
ApplyFilter();
}
}
private void OnCreateShape()
{
BaseWindow window = null;
if (SelectedShapeType == ShapeType.Circle)
{
var viewModel = new CreateCircleViewModel();
window = new CreateCircleWindow(viewModel);
}
if (SelectedShapeType == ShapeType.Rectangle)
{
var viewModel = new CreateRectangleViewModel();
window = new CreateRectangleWindow(viewModel);
}
if (SelectedShapeType == ShapeType.Trapezium)
{
var viewModel = new CreateTrapeziumViewModel();
window = new CreateTrapeziumWindow(viewModel);
}
window.ShowDialog();
var shape = (window.DataContext as BaseViewModel).Shape;
if (shape != null)
{
ShapesFullList.Add(shape);
ShapesFullList = new CustomList <Shape>(ShapesFullList);
ApplyFilter();
}
}
private void OnDeleteShape()
{
ShapesFullList.Remove(SelectedShape);
ShapesFullList = new CustomList <Shape>(ShapesFullList);
ApplyFilter();
SelectedShape = ShapesList.LastOrDefault();
}
private void ApplyFilter()
{
if (!IsCircleSelected && !IsTrapeziumSelected && !IsRectangleSelected)
{
ShapesList = new CustomList <Shape>(ShapesFullList);
return;
}
var filteredList = ShapesFullList.Where(x =>
(IsCircleSelected && x is Circle) ||
(IsTrapeziumSelected && x is Trapezium) ||
(IsRectangleSelected && x is Rectangle)).ToList();
ShapesList = new CustomList <Shape>(filteredList);
}