public DiagramViewportViewModel(
IModelService modelService,
IDiagramService diagramService,
IDiagramShapeUiFactory diagramShapeUiFactory,
double minZoom,
double maxZoom,
double initialZoom)
: base(modelService, diagramService)
{
MinZoom = minZoom;
MaxZoom = maxZoom;
_diagramNodeToViewModelMap = new Map <ModelNodeId, DiagramNodeViewModel>();
_diagramConnectorToViewModelMap = new Map <ModelRelationshipId, DiagramConnectorViewModel>();
_diagramShapeUiFactory = diagramShapeUiFactory;
_diagramShapeUiFactory.Initialize(modelService, this);
ViewportCalculator = new AutoMoveViewportViewModel(modelService, diagramService, minZoom, maxZoom, initialZoom);
DiagramNodeViewModels = new ThreadSafeObservableCollection <DiagramNodeViewModel>();
DiagramConnectorViewModels = new ThreadSafeObservableCollection <DiagramConnectorViewModel>();
MiniButtonPanelViewModel = new MiniButtonPanelViewModel();
DiagramNodeDoubleClickedCommand = new DelegateCommand <IDiagramNode>(i => DiagramNodeInvoked?.Invoke(i));
ViewportCalculator.TransformChanged += OnViewportTransformChanged;
DiagramService.DiagramChanged += OnDiagramChanged;
AddDiagram(diagramService.LatestDiagram);
}
private void RemoveConnector(IDiagramConnector diagramConnector)
{
if (!TryGetDiagramConnectorViewModel(diagramConnector.Id, out var diagramConnectorViewModel))
{
return;
}
MiniButtonPanelViewModel.Unfocus(diagramConnectorViewModel);
_diagramConnectorToViewModelMap.Remove(diagramConnector.Id);
DiagramConnectorViewModels.Remove(diagramConnectorViewModel);
diagramConnectorViewModel.Dispose();
}
private void RemoveNode(IDiagramNode diagramNode)
{
if (!TryGetDiagramNodeViewModel(diagramNode.Id, out var diagramNodeViewModel))
{
return;
}
diagramNodeViewModel.SizeChanged -= OnDiagramNodeSizeChanged;
diagramNodeViewModel.ShowRelatedNodesRequested -= OnShowRelatedNodesRequested;
diagramNodeViewModel.RelatedNodeSelectorRequested -= OnEntitySelectorRequested;
diagramNodeViewModel.RemoveRequested -= OnRemoveDiagramNodeRequested;
MiniButtonPanelViewModel.Unfocus(diagramNodeViewModel);
_diagramNodeToViewModelMap.Remove(diagramNode.Id);
DiagramNodeViewModels.Remove(diagramNodeViewModel);
diagramNodeViewModel.Dispose();
}
public override void Dispose()
{
base.Dispose();
ViewportCalculator.TransformChanged -= OnViewportTransformChanged;
DiagramService.DiagramChanged -= OnDiagramChanged;
ViewportCalculator.Dispose();
MiniButtonPanelViewModel.Dispose();
foreach (var diagramNodeViewModel in DiagramNodeViewModels)
{
diagramNodeViewModel.Dispose();
}
foreach (var diagramConnectorViewModel in DiagramConnectorViewModels)
{
diagramConnectorViewModel.Dispose();
}
}
public void UnpinDecoration() => MiniButtonPanelViewModel.UnpinDecoration();