private void SetActiveView(IView view)
{
PerformanceUtility.MeasurePerformanceUntilRender(PerformanceEvent.SwitchView);
IDocumentView documentView = view as IDocumentView;
DocumentService.Item obj = documentView != null ? this.items[documentView.Document] : (DocumentService.Item)null;
this.SetActiveDocumentAndView(view, obj);
}
private void SetActiveDocumentAndView(IView view, DocumentService.Item item)
{
PerformanceUtility.StartPerformanceSequence(PerformanceEvent.SetActiveDocumentAndView);
ViewChangedEventArgs e1 = view != this.activeView ? new ViewChangedEventArgs(this.activeView, view) : (ViewChangedEventArgs)null;
IDocument oldDocument = this.activeItem != null ? this.activeItem.Document : (IDocument)null;
IDocument newDocument = item != null ? item.Document : (IDocument)null;
DocumentChangedEventArgs e2 = item != this.activeItem ? new DocumentChangedEventArgs(oldDocument, newDocument) : (DocumentChangedEventArgs)null;
if (e1 != null || e2 != null)
{
if (e1 != null)
{
PerformanceUtility.MarkInterimStep(PerformanceEvent.SetActiveDocumentAndView, "OnActiveViewChanging");
if (e1.OldView != null)
{
e1.OldView.Deactivating();
}
this.OnActiveViewChanging(e1);
}
if (e2 != null)
{
PerformanceUtility.MarkInterimStep(PerformanceEvent.SetActiveDocumentAndView, "OnActiveDocumentChanging");
this.OnActiveDocumentChanging(e2);
}
this.activeItem = item;
this.activeView = view;
if (this.activeView != null)
{
PerformanceUtility.MarkInterimStep(PerformanceEvent.SetActiveDocumentAndView, "RecordViewUse");
this.RecordViewUse(this.activeView);
this.activeView.ReturnFocus();
}
else
{
try
{
if (Application.Current != null)
{
if (Application.Current.MainWindow != null)
{
FocusManager.SetFocusedElement((DependencyObject)Application.Current.MainWindow, (IInputElement)Application.Current.MainWindow);
}
}
}
catch
{
}
}
if (e2 != null)
{
PerformanceUtility.MarkInterimStep(PerformanceEvent.SetActiveDocumentAndView, "OnActiveDocumentChanged");
this.OnActiveDocumentChanged(e2);
}
if (e1 != null)
{
PerformanceUtility.MarkInterimStep(PerformanceEvent.SetActiveDocumentAndView, "OnActiveViewChanged");
if (e1.OldView != null)
{
e1.OldView.Deactivated();
ICommandTarget target = e1.OldView as ICommandTarget;
if (target != null)
{
this.commandService.RemoveTarget(target);
}
}
if (e1.NewView != null)
{
e1.NewView.Activated();
ICommandTarget target = e1.NewView as ICommandTarget;
if (target != null)
{
this.commandService.AddTarget(target);
}
}
this.OnActiveViewChanged(e1);
}
if (e2 != null)
{
PerformanceUtility.MarkInterimStep(PerformanceEvent.SetActiveDocumentAndView, "UpdateTargets");
ICommandTarget target1;
if ((target1 = oldDocument as ICommandTarget) != null)
{
this.commandService.RemoveTarget(target1);
}
ICommandTarget target2;
if ((target2 = newDocument as ICommandTarget) != null)
{
this.commandService.AddTarget(target2);
}
}
}
PerformanceUtility.EndPerformanceSequence(PerformanceEvent.SetActiveDocumentAndView);
}
private void SetActiveItem(DocumentService.Item item)
{
PerformanceUtility.MeasurePerformanceUntilRender(PerformanceEvent.SwitchView);
this.SetActiveDocumentAndView(item == null || item.Views.Count <= 0 ? (IView)null : item.Views[0], item);
}
public void CloseView(IView view)
{
if (view == null)
{
throw new ArgumentNullException("view");
}
if (view == this.ActiveView)
{
IView view1 = (IView)null;
if (this.views.Count > 0)
{
if (view != this.views[0])
{
view1 = this.views[0];
}
else if (this.views.Count > 1)
{
view1 = this.views[1];
}
}
this.SetActiveView(view1);
}
this.views.Remove(view);
IDocument document = (IDocument)null;
try
{
IDocumentView documentView = view as IDocumentView;
DocumentService.Item obj1 = (DocumentService.Item)null;
if (documentView != null)
{
DocumentService.Item obj2 = this.items[documentView.Document];
obj2.RemoveView((IView)documentView);
if (obj2.Views.Count == 0)
{
obj1 = obj2;
}
}
bool flag = this.RecycleView(view);
this.OnViewClosed(new ViewEventArgs(view));
if (flag)
{
view = (IView)null;
}
else
{
if (obj1 == null)
{
return;
}
((Collection <DocumentService.Item>) this.items).Remove(obj1);
document = obj1.Document;
this.documents.Remove(document);
this.OnDocumentClosed(new DocumentEventArgs(document));
}
}
finally
{
if (view != null)
{
view.Dispose();
}
if (document != null)
{
document.Dispose();
}
}
}
