public SketchView(SketchViewModel viewModel, UiState uiState, IEventAggregator eventAggregator, IUnityContainer container, ISnapper snapper, ILoggerFacade logger = null)
: this()
{
this.logger = logger ?? new EmptyLogger();
DataContext = viewModel;
viewModel.PropertyChanged += OnViewModelPropertyChanged;
this.viewModel = viewModel;
this.duplicateEditorFactory = new DuplicateEditorFactory(this);
this.snapper = snapper;
sketchModellingView =
container.Resolve <SketchModellingView>(
new DependencyOverride <SketchModellingViewModel>(viewModel.SketchModellingViewModel));
root3d.Children.Add(sketchModellingView);
sketchImageView =
container.Resolve <SketchImageView>(
new DependencyOverride <SketchImageViewModel>(viewModel.SketchImageViewModel));
Grid.SetRow(sketchImageView, 2);
sketchImageView.Margin = vpRoot.Margin;
root.Children.Insert(2, sketchImageView);
newPrimitiveDragStrategy = new PrimitiveDragStrategy(uiState, sketchModellingView, snapper);
snappedDragStrategy = new SnappedDragStrategy(uiState, duplicateEditorFactory.Create(), eventAggregator);
curveDragStrategy = new CurveDragStrategy(uiState, sketchImageView, selectionRectangle);
assignDragStrategy = new AssignDragStrategy(uiState, primitiveCurvesRoot, sketchImageView, eventAggregator);
eventAggregator.GetEvent <PrimitiveCurvesChangedEvent>().Subscribe(OnPrimitiveCurvesChanged);
}
private void vpRoot_MouseRightButtonUp(object sender, MouseButtonEventArgs e)
{
if (currentDragStrategy == curveDragStrategy || currentDragStrategy == assignDragStrategy)
{
currentDragStrategy.OnMouseUp(GetPosition3D(e));
currentDragStrategy = null;
vpRoot.ReleaseMouseCapture();
}
}
private void primitivesPalette_MouseMove(object sender, MouseEventArgs e)
{
Debug.WriteLine("Primitives pallette mouse move");
if (paletteElement == null) // this means that the user has not started dragging an element from the palette
{
return;
}
if (currentDragStrategy != null) // we are currently doing something else (for example, dragging a primitive over the sketch)
{
return; // we don't want to do anything while doing something else with the mouse.. surely not to add a new primitive.
}
Debug.WriteLine("Current drag strategy is null");
var isMouseOverViewportRoot = IsMouseOverViewportRoot(e);
// we will add a primitive and transfer the "responsibility" to the primitive drag strategy
// so that from now on it handles mouse events
if (isMouseOverViewportRoot)
{
Debug.WriteLine("Mouse is over viewport root");
var pos3d = GetPosition3D(e);
if (pos3d.Ray3D == null)
{
return;
}
Debug.WriteLine("Successfully got a ray");
// we add a new primitive and pick its visual so that we can later give it to the drag strategy
var newPrimitive = viewModel.AddNewPrimitive(palettePrimitiveKind, pos3d.Ray3D.Value);
Debug.WriteLine("Successfully locked on the primitive visual");
viewModel.SelectPrimitive(newPrimitive);
var primitiveVisual =
(from view in sketchModellingView.GetNewPrimitiveViews()
let primitiveData = PrimitivesPickService.GetPrimitiveData(view)
where object.ReferenceEquals(primitiveData, newPrimitive)
select view).First();
// we make the current mouse drag strategy to be the strategy for "new primitive" objects. This strategy
// will be used from now on until the primitive is snapped.
currentDragStrategy = newPrimitiveDragStrategy;
currentDragStrategy.OnMouseDown(GetPosition3D(e), Tuple.Create(primitiveVisual, newPrimitive));
// we transfer the responsibility of capturing subsequent mouse events to the vpRoot
paletteElement.ReleaseMouseCapture();
vpRoot.CaptureMouse();
paletteElement = null;
}
}
private void vpRoot_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (currentDragStrategy != null)
{
vpRoot.ReleaseMouseCapture();
currentDragStrategy.OnMouseUp(GetPosition3D(e));
currentDragStrategy = null;
viewModel.SnapPrimitive();
}
}
private void vpRoot_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
if (currentDragStrategy == null)
{
if (assignDragStrategy.IsReadyToAssign)
{
currentDragStrategy = assignDragStrategy;
}
else
{
currentDragStrategy = curveDragStrategy;
}
currentDragStrategy.OnMouseDown(GetPosition3D(e), null);
vpRoot.CaptureMouse();
}
}
private void vpRoot_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (currentDragStrategy == null)
{
var positionInfo = GetPosition3D(e);
var primitiveVisual = PrimitivesPickService.PickPrimitiveVisual(viewport3d, positionInfo.Pos2D);
if (primitiveVisual != null)
{
var primitiveData = PrimitivesPickService.GetPrimitiveData(primitiveVisual);
viewModel.SelectPrimitive(primitiveData);
primitiveData.MatchClass <NewPrimitive>(_ => currentDragStrategy = newPrimitiveDragStrategy);
primitiveData.MatchClass <SnappedPrimitive>(_ => currentDragStrategy = snappedDragStrategy);
Debug.Assert(currentDragStrategy != null);
currentDragStrategy.OnMouseDown(GetPosition3D(e), Tuple.Create(primitiveVisual, primitiveData));
vpRoot.CaptureMouse();
}
else
{
viewModel.UnselectPrimitives();
}
}
}
