public DiagramViewModel(
IModelService modelService,
IDiagramService diagramService,
IDiagramShapeUiFactory diagramShapeUiFactory,
double minZoom,
double maxZoom,
double initialZoom)
: base(modelService, diagramService)
{
DiagramShapeUiFactory = diagramShapeUiFactory;
DiagramViewportViewModel = new DiagramViewportViewModel(
ModelService,
DiagramService,
diagramShapeUiFactory,
minZoom,
maxZoom,
initialZoom);
RelatedNodeListBoxViewModel = new RelatedNodeListBoxViewModel(ModelService, DiagramService);
RelatedNodeListBoxViewModel.ItemSelected += OnRelatedNodeSelected;
RelatedNodeListBoxViewModel.Items.CollectionChanged += OnRelatedNodeCollectionChanged;
PopupTextViewModel = new AutoHidePopupTextViewModel();
PreviewMouseDownCommand = new DelegateCommand(OnAnyMouseDownEvent);
MouseDownCommand = new DelegateCommand(OnUnhandledMouseDownEvent);
DiagramService.DiagramChanged += OnDiagramChanged;
SubscribeToViewportEvents();
_lastDiagram = DiagramService.LatestDiagram;
}
public DiagramViewModel(
[NotNull] IModelEventSource modelEventSource,
[NotNull] IDiagramEventSource diagramEventSource,
[NotNull] IDiagramViewportUi diagramViewportUi,
[NotNull] IRelatedNodeItemViewModelFactory relatedNodeItemViewModelFactory,
[NotNull] IComparer <IModelNode> modelNodeComparer)
: base(modelEventSource, diagramEventSource)
{
_relatedNodeItemViewModelFactory = relatedNodeItemViewModelFactory;
_modelNodeComparer = modelNodeComparer;
DiagramViewportViewModel = (DiagramViewportViewModel)diagramViewportUi;
RelatedNodeListBoxViewModel = new RelatedNodeListBoxViewModel(ModelEventSource, DiagramEventSource);
RelatedNodeListBoxViewModel.ItemSelected += OnRelatedNodeSelected;
RelatedNodeListBoxViewModel.Items.CollectionChanged += OnRelatedNodeCollectionChanged;
PopupTextViewModel = new AutoHidePopupTextViewModel();
PreviewMouseDownCommand = new DelegateCommand(OnAnyMouseDownEvent);
MouseDownCommand = new DelegateCommand(OnUnhandledMouseDownEvent);
DiagramEventSource.DiagramChanged += OnDiagramChanged;
SubscribeToViewportEvents();
_lastDiagram = DiagramEventSource.LatestDiagram;
}
private void OnRelatedNodeSelectorRequested(RelatedNodeMiniButtonViewModel ownerButton, IReadOnlyList <IModelNode> modelNodes)
{
DiagramViewportViewModel.PinFocus();
var viewModelItems = modelNodes.OrderBy(i => i, _modelNodeComparer).Select(_relatedNodeItemViewModelFactory.Create);
RelatedNodeListBoxViewModel.Show(ownerButton, viewModelItems);
}
public override void Dispose()
{
base.Dispose();
RelatedNodeListBoxViewModel.ItemSelected -= OnRelatedNodeSelected;
RelatedNodeListBoxViewModel.Items.CollectionChanged -= OnRelatedNodeCollectionChanged;
RelatedNodeListBoxViewModel.Dispose();
DiagramEventSource.DiagramChanged -= OnDiagramChanged;
UnsubscribeFromViewportEvents();
DiagramViewportViewModel.Dispose();
}
private void HideRelatedNodeListBox()
{
DiagramViewportViewModel.UnpinDecoration();
RelatedNodeListBoxViewModel.Hide();
}
private void OnRelatedNodeSelectorRequested(RelatedNodeMiniButtonViewModel ownerButton, IReadOnlyList <IModelNode> modelNodes)
{
DiagramViewportViewModel.PinDecoration();
RelatedNodeListBoxViewModel.Show(ownerButton, modelNodes);
}
private void HideRelatedNodeListBox()
{
DiagramViewportViewModel.UnpinFocus();
RelatedNodeListBoxViewModel.Hide();
}
