/// <summary>
/// Creates a new instance.
/// </summary>
public DiagramToolApplication(IRoslynModelProvider roslynModelProvider, IHostUiServices hostUiServices)
{
_visualizationService = CreateVisualizationService(roslynModelProvider, hostUiServices);
_diagramId = _visualizationService.CreateDiagram(AppDefaults.MinZoom, AppDefaults.MaxZoom, AppDefaults.InitialZoom);
RoslynModelService.HideTrivialBaseNodes = AppDefaults.HideTrivialBaseNodes;
ApplicationUiService.ImageExportDpi = Dpi.Dpi150;
ApplicationUiService.DiagramNodeInvoked += OnShowSourceRequested;
ApplicationUiService.ShowModelItemsRequested += OnShowItemsRequestedAsync;
}
private IUiService CreateDiagramUi(DiagramId diagramId,
double minZoom = DefaultMinZoom,
double maxZoom = DefaultMaxZoom,
double initialZoom = DefaultInitialZoom)
{
var diagramService = GetDiagramService(diagramId);
var diagramUi = UiServiceFactory.Create(ModelService, diagramService, minZoom, maxZoom, initialZoom);
diagramUi.DiagramNodeSizeChanged += (diagramNode, size) => OnDiagramNodeSizeChanged(diagramId, diagramNode, size);
diagramUi.RemoveDiagramNodeRequested += diagramNode => OnRemoveDiagramNodeRequested(diagramId, diagramNode);
return(diagramUi);
}
public DiagramId CreateDiagram(
double minZoom = DefaultMinZoom,
double maxZoom = DefaultMaxZoom,
double initialZoom = DefaultInitialZoom)
{
var diagramId = DiagramId.Create();
var diagramService = DiagramServiceFactory.Create(GetModelService());
_diagramServices.Add(diagramId, diagramService);
var diagramUi = CreateDiagramUi(diagramId, minZoom, maxZoom, initialZoom);
_diagramUis.Add(diagramId, diagramUi);
// Warning: plugins must be created after the UI so its event callbacks don't precede UI updates.
var diagramPlugins = CreateAndAttachDiagramPlugins(DiagramPluginIds, ModelService, diagramService);
_diagramPlugins.Add(diagramId, diagramPlugins.ToList());
return(diagramId);
}
public IRoslynUiService GetRoslynUiService(DiagramId diagramId) => (IRoslynUiService)GetUiService(diagramId);
public IRoslynDiagramService GetRoslynDiagramService(DiagramId diagramId) => (IRoslynDiagramService)GetDiagramService(diagramId);
public IUiService GetUiService(DiagramId diagramId) => _diagramUis[diagramId];
public IDiagramService GetDiagramService(DiagramId diagramId) => _diagramServices[diagramId];
private void OnRemoveDiagramNodeRequested(DiagramId diagramId, IDiagramNode diagramNode)
{
GetDiagramService(diagramId).HideModelNode(diagramNode.Id);
}
private void OnDiagramNodeSizeChanged(DiagramId diagramId, IDiagramNode diagramNode, Size2D newSize)
{
GetDiagramService(diagramId).UpdateDiagramNodeSize(diagramNode, newSize);
}
