protected override object CreateInstance(WorkflowMarkupSerializationManager serializationManager, Type type) { if (serializationManager == null) { throw new ArgumentNullException("serializationManager"); } if (type == null) { throw new ArgumentNullException("type"); } StateDesignerConnector connector = null; IReferenceService referenceService = serializationManager.GetService(typeof(IReferenceService)) as IReferenceService; FreeformActivityDesigner freeformDesigner = serializationManager.Context[typeof(FreeformActivityDesigner)] as FreeformActivityDesigner; if (freeformDesigner != null && referenceService != null) { StateDesigner.DesignerLayoutConnectionPoint sourceConnection = null; ConnectionPoint targetConnection = null; StateDesigner.TransitionInfo transitionInfo = null; StateDesigner rootStateDesigner = null; try { Dictionary <string, string> constructionArguments = GetConnectorConstructionArguments(serializationManager, type); if (constructionArguments.ContainsKey("EventHandlerName") && constructionArguments.ContainsKey("SetStateName") && constructionArguments.ContainsKey("TargetStateName")) { CompositeActivity eventHandler = (CompositeActivity)referenceService.GetReference(constructionArguments["EventHandlerName"] as string); SetStateActivity setState = (SetStateActivity)referenceService.GetReference(constructionArguments["SetStateName"] as string); StateActivity targetState = (StateActivity)referenceService.GetReference(constructionArguments["TargetStateName"] as string); transitionInfo = new StateDesigner.TransitionInfo(setState, eventHandler); transitionInfo.TargetState = targetState; } if (constructionArguments.ContainsKey("SourceActivity") && constructionArguments.ContainsKey("SourceConnectionIndex") && constructionArguments.ContainsKey("SourceConnectionEdge") && constructionArguments.ContainsKey("EventHandlerName")) { StateDesigner sourceDesigner = (StateDesigner)StateDesigner.GetDesigner(referenceService.GetReference(constructionArguments["SourceActivity"] as string) as Activity); CompositeActivity eventHandler = (CompositeActivity)referenceService.GetReference(constructionArguments["EventHandlerName"] as string); rootStateDesigner = sourceDesigner.RootStateDesigner; DesignerEdges sourceEdge = (DesignerEdges)Enum.Parse(typeof(DesignerEdges), constructionArguments["SourceConnectionEdge"] as string); int sourceIndex = Convert.ToInt32(constructionArguments["SourceConnectionIndex"] as string, System.Globalization.CultureInfo.InvariantCulture); if (sourceDesigner != null && eventHandler != null && sourceEdge != DesignerEdges.None && sourceIndex >= 0) { sourceConnection = new StateDesigner.DesignerLayoutConnectionPoint(sourceDesigner, sourceIndex, eventHandler, sourceEdge); } } if (constructionArguments.ContainsKey("TargetActivity") && constructionArguments.ContainsKey("TargetConnectionIndex") && constructionArguments.ContainsKey("TargetConnectionEdge")) { ActivityDesigner targetDesigner = StateDesigner.GetDesigner(referenceService.GetReference(constructionArguments["TargetActivity"] as string) as Activity); DesignerEdges targetEdge = (DesignerEdges)Enum.Parse(typeof(DesignerEdges), constructionArguments["TargetConnectionEdge"] as string); int targetIndex = Convert.ToInt32(constructionArguments["TargetConnectionIndex"] as string, System.Globalization.CultureInfo.InvariantCulture); if (targetDesigner != null && targetEdge != DesignerEdges.None && targetIndex >= 0) { targetConnection = new ConnectionPoint(targetDesigner, targetEdge, targetIndex); } } } catch { } if (transitionInfo != null && sourceConnection != null && targetConnection != null) { connector = rootStateDesigner.FindConnector(transitionInfo); if (connector == null) { rootStateDesigner.AddingSetState = false; try { connector = freeformDesigner.AddConnector(sourceConnection, targetConnection) as StateDesignerConnector; } finally { rootStateDesigner.AddingSetState = true; } } else { connector.Source = sourceConnection; connector.Target = targetConnection; connector.ClearConnectorSegments(); } } } return(connector); }
protected override object CreateInstance(WorkflowMarkupSerializationManager serializationManager, Type type) { if (serializationManager == null) { throw new ArgumentNullException("serializationManager"); } if (type == null) { throw new ArgumentNullException("type"); } StateDesignerConnector connector = null; IReferenceService service = serializationManager.GetService(typeof(IReferenceService)) as IReferenceService; FreeformActivityDesigner designer = serializationManager.Context[typeof(FreeformActivityDesigner)] as FreeformActivityDesigner; if ((designer != null) && (service != null)) { StateDesigner.DesignerLayoutConnectionPoint source = null; ConnectionPoint target = null; StateDesigner.TransitionInfo transitionInfo = null; StateDesigner rootStateDesigner = null; try { Dictionary <string, string> connectorConstructionArguments = base.GetConnectorConstructionArguments(serializationManager, type); if ((connectorConstructionArguments.ContainsKey("EventHandlerName") && connectorConstructionArguments.ContainsKey("SetStateName")) && connectorConstructionArguments.ContainsKey("TargetStateName")) { CompositeActivity reference = (CompositeActivity)service.GetReference(connectorConstructionArguments["EventHandlerName"]); SetStateActivity setState = (SetStateActivity)service.GetReference(connectorConstructionArguments["SetStateName"]); StateActivity activity3 = (StateActivity)service.GetReference(connectorConstructionArguments["TargetStateName"]); transitionInfo = new StateDesigner.TransitionInfo(setState, reference) { TargetState = activity3 }; } if ((connectorConstructionArguments.ContainsKey("SourceActivity") && connectorConstructionArguments.ContainsKey("SourceConnectionIndex")) && (connectorConstructionArguments.ContainsKey("SourceConnectionEdge") && connectorConstructionArguments.ContainsKey("EventHandlerName"))) { StateDesigner associatedDesigner = (StateDesigner)StateDesigner.GetDesigner(service.GetReference(connectorConstructionArguments["SourceActivity"]) as Activity); CompositeActivity eventHandler = (CompositeActivity)service.GetReference(connectorConstructionArguments["EventHandlerName"]); rootStateDesigner = associatedDesigner.RootStateDesigner; DesignerEdges designerEdges = (DesignerEdges)Enum.Parse(typeof(DesignerEdges), connectorConstructionArguments["SourceConnectionEdge"]); int connectionIndex = Convert.ToInt32(connectorConstructionArguments["SourceConnectionIndex"], CultureInfo.InvariantCulture); if (((associatedDesigner != null) && (eventHandler != null)) && ((designerEdges != DesignerEdges.None) && (connectionIndex >= 0))) { source = new StateDesigner.DesignerLayoutConnectionPoint(associatedDesigner, connectionIndex, eventHandler, designerEdges); } } if ((connectorConstructionArguments.ContainsKey("TargetActivity") && connectorConstructionArguments.ContainsKey("TargetConnectionIndex")) && connectorConstructionArguments.ContainsKey("TargetConnectionEdge")) { ActivityDesigner designer4 = StateDesigner.GetDesigner(service.GetReference(connectorConstructionArguments["TargetActivity"]) as Activity); DesignerEdges designerEdge = (DesignerEdges)Enum.Parse(typeof(DesignerEdges), connectorConstructionArguments["TargetConnectionEdge"]); int num2 = Convert.ToInt32(connectorConstructionArguments["TargetConnectionIndex"], CultureInfo.InvariantCulture); if (((designer4 != null) && (designerEdge != DesignerEdges.None)) && (num2 >= 0)) { target = new ConnectionPoint(designer4, designerEdge, num2); } } } catch { } if (((transitionInfo == null) || (source == null)) || (target == null)) { return(connector); } connector = rootStateDesigner.FindConnector(transitionInfo); if (connector == null) { rootStateDesigner.AddingSetState = false; try { return(designer.AddConnector(source, target) as StateDesignerConnector); } finally { rootStateDesigner.AddingSetState = true; } } connector.Source = source; connector.Target = target; connector.ClearConnectorSegments(); } return(connector); }