static void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (object item in e.NewItems)
{
IActiveAware activeAware = item as IActiveAware;
if (activeAware != null)
{
activeAware.IsActive = true;
}
}
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
foreach (object item in e.OldItems)
{
IActiveAware activeAware = item as IActiveAware;
if (activeAware != null)
{
activeAware.IsActive = false;
}
}
}
// handle other action values (reset, etc)?
}
private static void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (object item in e.NewItems)
{
IActiveAware activeAware = item as IActiveAware;
if (activeAware != null)
{
activeAware.IsActive = true;
}
}
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
foreach (object item in e.OldItems)
{
IActiveAware activeAware = item as IActiveAware;
if (activeAware != null)
{
activeAware.IsActive = false;
}
}
}
// May need to handle other action values (reset, replace). Currently the ViewsCollection class does not raise CollectionChanged with these values.
}
private void RegisterIActiveAwareChanged(IActiveAware activeAware)
{
if (activeAware == null)
{
return;
}
activeAware.IsActiveChanged += delegate { this.IsActive = activeAware.IsActive; };
}
private void ForwardActiveAware(IActiveAware activeAware, bool newValue)
{
if (activeAware == null)
return;
if (activeAware.IsActive != newValue)
{
activeAware.IsActive = newValue;
}
}
private void ForwardActiveAware(IActiveAware activeAware, bool newValue)
{
if (activeAware == null)
{
return;
}
if (activeAware.IsActive != newValue)
{
activeAware.IsActive = newValue;
}
}
private PopupModalWindow(IShellView shellView)
{
ShellView = shellView;
//if (this != Application.Current.MainWindow)
//{
// Owner = ShellView == null ? Application.Current.MainWindow : ShellView.View.Window;
//}
//else { Owner = null; }
//#if NET_3_5
//#else // NET_4_0 || BOOTSTRAP_NET_4_0
//#endif
//DataContext = Owner;
EnableEnterKeyDefault = false;
PreviewKeyDown += new KeyEventHandler(OnThisKeyDown);
ClickedDialogButton = DialogButton.ESC;
m_PropertyChangeHandler = new PropertyChangedNotifyBase();
m_PropertyChangeHandler.InitializeDependentProperties(this);
ActiveAware = new FocusActiveAwareAdapter(this);
ActiveAware.IsActiveChanged += (sender, e) =>
{
if (!ActiveAware.IsActive)
{
Console.WriteLine("@@@@ popup lost focus");
}
else
{
Console.WriteLine("@@@@ popup gained focus");
}
CommandManager.InvalidateRequerySuggested();
};
InitializeComponent();
//RegionManager.SetRegionManager(this, m_Container.Resolve<IRegionManager>());
//RegionManager.UpdateRegions();
initCommands();
m_IsDetailsExpanded = false;
}
private void OnTabbedPageCurrentPageChanged(object sender, EventArgs e)
{
var tabbedPage = (TabbedPage)sender;
// Deactivate previously selected page
IActiveAware prevActiveAwarePage = tabbedPage.Children.OfType <IActiveAware>()
.FirstOrDefault(c => c.IsActive && tabbedPage.CurrentPage != c);
if (prevActiveAwarePage != null)
{
prevActiveAwarePage.IsActive = false;
}
// Activate selected page
if (tabbedPage.CurrentPage is IActiveAware activeAwarePage)
{
activeAwarePage.IsActive = true;
}
}
void SetActivationInRegion(object sender, EventArgs e)
{
IActiveAware activeAware = sender as IActiveAware;
if (activeAware == null)
{
return;
}
if (activeAware.IsActive &&
!this.Region.ActiveViews.Contains(activeAware))
{
this.Region.Activate(activeAware);
}
else if (!activeAware.IsActive && this.Region.ActiveViews.Contains(activeAware))
{
this.Region.Deactivate(activeAware);
}
}
private void RegisterIActiveAwareChanged(IActiveAware activeAware)
{
if (activeAware == null)
return;
activeAware.IsActiveChanged += delegate { this.IsActive = activeAware.IsActive; };
}
private void OnAddRegisterForViewIsActiveChangedEvent(IActiveAware activeAware)
{
activeAware.IsActiveChanged += SetActivationInRegion;
}
private void OnAddRegisterForViewIsActiveChangedEvent(IActiveAware activeAware)
{
activeAware.IsActiveChanged += SetActivationInRegion;
}
static void invocation(IActiveAware activeAware) => activeAware.Active = true;
