private void OnSelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (this.suppressSelectionEvent)
{
return;
}
this.currentSelection = (ViewService.Page) this.ViewList.SelectedItem;
if (this.currentSelection != null && !this.currentSelection.Supports(this.actor))
{
return;
}
this.SelectPage?.Invoke(this.currentSelection);
}
private void OnShowPage(ViewService.Page page)
{
if (page == null)
{
this.currentView = null;
this.ViewArea.Content = null;
return;
}
if (!this.pages.ContainsKey(page))
{
Application.Current.Dispatcher.Invoke(() =>
{
this.pages.Add(page, page.Create());
});
}
this.currentView = this.pages[page];
this.ViewArea.Content = this.currentView;
}
private void OnActorRetargeted(Actor actor = null)
{
HashSet <ViewService.Page> oldPages = new HashSet <ViewService.Page>(this.Items);
List <ViewService.Page> newPages = new List <ViewService.Page>();
foreach (ViewService.Page page in this.viewService.Pages)
{
if (!page.Supports(this.actor))
{
continue;
}
newPages.Add(page);
}
bool changed = true;
if (oldPages.Count == newPages.Count)
{
changed = false;
foreach (ViewService.Page page in newPages)
{
if (oldPages.Contains(page))
{
continue;
}
changed = true;
break;
}
}
if (!changed)
{
return;
}
ViewService.Page oldSelection = this.currentSelection;
this.suppressSelectionEvent = true;
this.Items.Clear();
foreach (ViewService.Page page in newPages)
{
this.Items.Add(page);
}
if (newPages.Contains(oldSelection))
{
this.currentSelection = oldSelection;
this.ViewList.SelectedItem = this.currentSelection;
this.SelectPage?.Invoke(oldSelection);
}
else
{
this.SelectPage?.Invoke(this.Items.FirstOrDefault());
}
this.suppressSelectionEvent = false;
}
private void OnAddPage(ViewService.Page page)
{
this.Items.Add(page);
}
private void OnShowPage(ViewService.Page page)
{
this.currentView = page.Instance;
this.ViewArea.Content = this.currentView;
}
private void OnSelectionChanged(object sender, SelectionChangedEventArgs e)
{
ViewService.Page item = (ViewService.Page) this.ViewList.SelectedItem;
this.SelectPage?.Invoke(item);
}
