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);
}
}
protected override void OnIsKeyboardFocusWithinChanged(DependencyPropertyChangedEventArgs e)
{
IIntegratedHelpService helpService = this.Context.Services.GetService <IIntegratedHelpService>();
if (helpService != null)
{
if ((Boolean)e.NewValue)
{
this.isSelectionChangedInternally = true;
this.Context.Items.SetValue(new Selection());
this.isSelectionChangedInternally = false;
helpService.AddContextAttribute(string.Empty, WorkflowViewManager.GetF1HelpTypeKeyword(typeof(ImportDesigner)), System.ComponentModel.Design.HelpKeywordType.F1Keyword);
}
else
{
helpService.RemoveContextAttribute(string.Empty, WorkflowViewManager.GetF1HelpTypeKeyword(typeof(ImportDesigner)));
}
}
base.OnIsKeyboardFocusWithinChanged(e);
}
void OnItemSelected(Selection newSelection)
{
Fx.Assert(newSelection != null, "newSelection is null");
IList <ModelItem> newSelectionObjects = newSelection.SelectedObjects as IList <ModelItem>;
IList <ModelItem> oldSelectionObjects = oldSelection.SelectedObjects as IList <ModelItem>;
//Call notifyPropertyChanged for IsPrimarySelection attached property.
if (newSelection.PrimarySelection != null && !newSelection.PrimarySelection.Equals(oldSelection.PrimarySelection))
{
isPrimarySelectionProperty.NotifyPropertyChanged(oldSelection.PrimarySelection);
isPrimarySelectionProperty.NotifyPropertyChanged(newSelection.PrimarySelection);
}
else if (newSelection.PrimarySelection == null)
{
isPrimarySelectionProperty.NotifyPropertyChanged(oldSelection.PrimarySelection);
}
//call NotifyPropertyChanged for IsSelection property on ModelItems that were added or removed from selection.
HashSet <ModelItem> selectionChangeSet = new HashSet <ModelItem>(oldSelectionObjects);
selectionChangeSet.SymmetricExceptWith(newSelectionObjects);
foreach (ModelItem selectionChangeMI in selectionChangeSet)
{
isSelectionProperty.NotifyPropertyChanged(selectionChangeMI);
}
if (helpService != null)
{
if (oldSelection.PrimarySelection != null)
{
helpService.RemoveContextAttribute(string.Empty, GetF1HelpTypeKeyword(oldSelection.PrimarySelection.ItemType));
}
if (newSelection.PrimarySelection != null)
{
helpService.AddContextAttribute(string.Empty, GetF1HelpTypeKeyword(newSelection.PrimarySelection.ItemType), HelpKeywordType.F1Keyword);
}
}
oldSelection = newSelection;
}
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);
}
}
