public override void StoreViewState(ModelItem modelItem, string key, object value)
{
if (modelItem == null)
{
throw FxTrace.Exception.AsError(new ArgumentNullException("modelItem"));
}
if (key == null)
{
throw FxTrace.Exception.AsError(new ArgumentNullException("key"));
}
object oldValue = null;
Dictionary <string, object> viewState = WorkflowViewStateService.GetViewState(modelItem.GetCurrentValue());
if (viewState == null)
{
viewState = new Dictionary <string, object>();
WorkflowViewStateService.SetViewState(modelItem.GetCurrentValue(), viewState);
}
viewState.TryGetValue(key, out oldValue);
if (value != null)
{
viewState[key] = value;
}
else
{
RemoveViewState(modelItem, key);
}
if (this.ViewStateChanged != null && value != oldValue)
{
this.ViewStateChanged(this, new ViewStateChangedEventArgs(modelItem, key, value, oldValue));
}
}
public override void Initialize(EditingContext context)
{
this.context = context;
AttachedPropertiesService propertiesService = this.context.Services.GetService<AttachedPropertiesService>();
helpService = this.context.Services.GetService<IIntegratedHelpService>();
oldSelection = this.context.Items.GetValue<Selection>();
isPrimarySelectionProperty = new AttachedProperty<bool>()
{
Getter = (modelItem) => (this.context.Items.GetValue<Selection>().PrimarySelection == modelItem),
Name = "IsPrimarySelection",
OwnerType = typeof(Object)
};
isSelectionProperty = new AttachedProperty<bool>()
{
Getter = (modelItem) => (((IList)this.context.Items.GetValue<Selection>().SelectedObjects).Contains(modelItem)),
Name = "IsSelection",
OwnerType = typeof(Object)
};
propertiesService.AddProperty(isPrimarySelectionProperty);
propertiesService.AddProperty(isSelectionProperty);
if (this.context.Services.GetService<ViewService>() == null)
{
view = new System.Activities.Presentation.View.DesignerView(this.context);
WorkflowViewService viewService = new WorkflowViewService(context);
WorkflowViewStateService viewStateService = new WorkflowViewStateService(context);
this.context.Services.Publish<ViewService>(viewService);
this.context.Services.Publish<VirtualizedContainerService>(new VirtualizedContainerService(this.context));
this.context.Services.Publish<ViewStateService>(viewStateService);
this.context.Services.Publish<DesignerView>(view);
WorkflowAnnotationAdornerService annotationService = new WorkflowAnnotationAdornerService();
annotationService.Initialize(this.context, view.scrollViewer);
this.context.Services.Publish<AnnotationAdornerService>(annotationService);
this.context.Services.Subscribe<ModelService>(delegate(ModelService modelService)
{
this.modelService = modelService;
if (modelService.Root != null)
{
view.MakeRootDesigner(modelService.Root);
}
view.RestoreDesignerStates();
this.context.Items.Subscribe<Selection>(new SubscribeContextCallback<Selection>(OnItemSelected));
});
}
if (helpService != null)
{
helpService.AddContextAttribute(string.Empty, KeywordForWorkflowDesignerHomePage, HelpKeywordType.F1Keyword);
}
}
public override void Initialize(EditingContext context)
{
this.context = context;
AttachedPropertiesService propertiesService = this.context.Services.GetService <AttachedPropertiesService>();
helpService = this.context.Services.GetService <IIntegratedHelpService>();
oldSelection = this.context.Items.GetValue <Selection>();
isPrimarySelectionProperty = new AttachedProperty <bool>()
{
Getter = (modelItem) => (this.context.Items.GetValue <Selection>().PrimarySelection == modelItem),
Name = "IsPrimarySelection",
OwnerType = typeof(Object)
};
isSelectionProperty = new AttachedProperty <bool>()
{
Getter = (modelItem) => (((IList)this.context.Items.GetValue <Selection>().SelectedObjects).Contains(modelItem)),
Name = "IsSelection",
OwnerType = typeof(Object)
};
propertiesService.AddProperty(isPrimarySelectionProperty);
propertiesService.AddProperty(isSelectionProperty);
if (this.context.Services.GetService <ViewService>() == null)
{
view = new System.Activities.Presentation.View.DesignerView(this.context);
WorkflowViewService viewService = new WorkflowViewService(context);
WorkflowViewStateService viewStateService = new WorkflowViewStateService(context);
this.context.Services.Publish <ViewService>(viewService);
this.context.Services.Publish <VirtualizedContainerService>(new VirtualizedContainerService(this.context));
this.context.Services.Publish <ViewStateService>(viewStateService);
this.context.Services.Publish <DesignerView>(view);
WorkflowAnnotationAdornerService annotationService = new WorkflowAnnotationAdornerService();
annotationService.Initialize(this.context, view.scrollViewer);
this.context.Services.Publish <AnnotationAdornerService>(annotationService);
this.context.Services.Subscribe <ModelService>(delegate(ModelService modelService)
{
this.modelService = modelService;
if (modelService.Root != null)
{
view.MakeRootDesigner(modelService.Root);
}
view.RestoreDesignerStates();
this.context.Items.Subscribe <Selection>(new SubscribeContextCallback <Selection>(OnItemSelected));
});
}
if (helpService != null)
{
helpService.AddContextAttribute(string.Empty, KeywordForWorkflowDesignerHomePage, HelpKeywordType.F1Keyword);
}
}
public override Dictionary <string, object> RetrieveAllViewState(ModelItem modelItem)
{
if (modelItem == null)
{
throw FxTrace.Exception.AsError(new ArgumentNullException("modelItem"));
}
return(WorkflowViewStateService.GetViewState(modelItem.GetCurrentValue()));
}
public override object RetrieveViewState(ModelItem modelItem, string key)
{
if (modelItem == null)
{
throw FxTrace.Exception.AsError(new ArgumentNullException("modelItem"));
}
if (key == null)
{
throw FxTrace.Exception.AsError(new ArgumentNullException("key"));
}
object viewStateObj = null;
Dictionary <string, object> viewState = WorkflowViewStateService.GetViewState(modelItem.GetCurrentValue());
if (viewState != null)
{
viewState.TryGetValue(key, out viewStateObj);
}
return(viewStateObj);
}
public override bool RemoveViewState(ModelItem modelItem, string key)
{
if (modelItem == null)
{
throw FxTrace.Exception.AsError(new ArgumentNullException("modelItem"));
}
if (key == null)
{
throw FxTrace.Exception.AsError(new ArgumentNullException("key"));
}
bool itemRemoved = false;
Dictionary <string, object> viewState = WorkflowViewStateService.GetViewState(modelItem.GetCurrentValue());
if (viewState != null && key != null && viewState.ContainsKey(key))
{
itemRemoved = viewState.Remove(key);
if (viewState.Keys.Count == 0)
{
AttachablePropertyServices.RemoveProperty(modelItem.GetCurrentValue(), ViewStateName);
}
}
return(itemRemoved);
}
public ViewStateChange(WorkflowViewStateService viewStateService)
{
this.viewStateService = viewStateService;
}
public ViewStateChange(WorkflowViewStateService viewStateService)
{
this.viewStateService = viewStateService;
}
