public void Close(Guid windowId, bool removeWindow = true)
{
var presentationGroupsToClose = this.presentationGroups.FindAll(pg => pg.Window.WindowId == windowId);
if (presentationGroupsToClose == null)
{
throw new ArgumentException($"Window with Id {windowId} not found.");
}
var setActivePresentation = true;
foreach (var presentationGroup in presentationGroupsToClose)
{
this.RemoveWindowCommandBindings(presentationGroup.ViewModel, presentationGroup.Window);
this.RemoveEventHandlers(presentationGroup.ViewModel);
(presentationGroup.ViewModel as IDisposable)?.Dispose();
(presentationGroup.View as IDisposable)?.Dispose();
if (removeWindow)
{
this.presentationGroups.Remove(presentationGroup);
if (setActivePresentation)
{
this.activePresentationGroup = this.oldActivePresentationGroup;
this.oldActivePresentationGroup = null;
setActivePresentation = false;
}
}
}
}
public void ShowInNewWindow <TViewModel>(TViewModel viewModel, Action <TViewModel> viewModelAction = null) where TViewModel : class
{
var newPresentationGroup = new PresentationGroup();
// show just the first window in the taskbar -> the other ones belong to this one (owner property)
newPresentationGroup.Window = new WindowContainer(this)
{
ShowInTaskbar = !this.presentationGroups.Any()
};
if (this.activePresentationGroup != null)
{
this.oldActivePresentationGroup = this.activePresentationGroup;
newPresentationGroup.Window.Owner = this.oldActivePresentationGroup.Window;
}
else
{
// powerpoint is owner (first arsnova-integration-window)
var ppWindowIntPtr = new IntPtr(Globals.ThisAddIn.Application.ActiveWindow.HWND);
var windowCast = new Win32Window(ppWindowIntPtr);
var newWindowInteropHelper = new WindowInteropHelper(newPresentationGroup.Window);
newWindowInteropHelper.Owner = windowCast.Handle;
}
var logoBitmap = Images.ARSnova_Logo;
var iconBitmapSource = Imaging.CreateBitmapSourceFromHBitmap(
logoBitmap.GetHbitmap(),
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromWidthAndHeight(16, 16));
newPresentationGroup.Window.Icon = iconBitmapSource;
this.presentationGroups.Add(newPresentationGroup);
viewModelAction?.Invoke(viewModel);
this.Show(viewModel, newPresentationGroup, true);
}
public void Show <TViewModel>(TViewModel viewModel) where TViewModel : class
{
var presentationGroup = this.presentationGroups.FirstOrDefault(vm => vm.ViewModel.GetType() == typeof(TViewModel));
if (presentationGroup != null)
{
presentationGroup.Window = this.activePresentationGroup.Window;
}
else
{
presentationGroup = new PresentationGroup
{
ViewModel = viewModel,
Window = this.activePresentationGroup.Window
};
this.presentationGroups.Add(presentationGroup);
}
// reset window events and bindings (because we want to use the same window again)
this.Close(this.activePresentationGroup.Window.WindowId, false);
this.Show(viewModel, this.activePresentationGroup);
}
private void Show <TViewModel>(TViewModel viewModel, PresentationGroup presentationGroup, bool isNewWindow = false) where TViewModel : class
{
var viewModelType = typeof(TViewModel);
if (!this.viewTypeConfigurations.ContainsKey(viewModelType))
{
throw new ArgumentException($"ViewModel not found: '{viewModelType.FullName}'");
}
var viewTypeConfiguration = this.viewTypeConfigurations[viewModelType];
// there are currently no view constructors with params -> add option for constructor calls with elements when necessary
var view =
(Control)viewTypeConfiguration.ViewType.GetConstructors()
.FirstOrDefault(c => !c.GetParameters().Any())
.Invoke(new object[0]);
view.DataContext = viewModel;
this.SetWindowCommandBindings(viewModel, presentationGroup.Window);
presentationGroup.Window.Content.Children.Clear();
presentationGroup.Window.Content.Children.Add(view);
presentationGroup.ViewModel = viewModel;
presentationGroup.View = view;
this.activePresentationGroup = presentationGroup;
// show -> calling prog doesn't wait (and freezes), showDialog() -> caller waits.... do we want to freeze pp? -> we want to freeze!
// side effect: we don't have to handle multiple windows -> the freshly openend one needs to be closed before opening another one (popups doesn't matter)
if (isNewWindow)
{
presentationGroup.Window.ShowDialog();
}
}