private void OnLoaded(object sender, RoutedEventArgs e)
{
// if DataContext is null this does nothing (so it's safe)
DialogParticipation.SetRegister(this, DataContext);
NavigationService.Navigating += OnNavigating;
_cachedService = NavigationService;
DoLoad();
}
public AccountOpenView()
{
InitializeComponent();
DataContextChanged += (sender, args) =>
{
DialogParticipation.SetRegister(this, this.DataContext);
};
}
public override Task <MessageBoxResult> ShowMessageBoxAsync(object context, string message, string title, string trueText, BorderStyle?trueStyle, string falseText, BorderStyle?falseStyle, MessageBoxButton button, MessageBoxImage icon)
{
if (GetWindow(context) is MetroWindow mw)
{
Task <MessageBoxResult> showCore()
{
if (DialogParticipation.GetRegister(mw) != null)
{
switch (button)
{
case MessageBoxButton.YesNo:
return(mw.ShowMessageAsync(title, message, MessageDialogStyle.AffirmativeAndNegative, new MetroDialogSettings
{
AffirmativeButtonText = !string.IsNullOrEmpty(trueText) ? trueText : "はい",
NegativeButtonText = !string.IsNullOrEmpty(falseText) ? falseText : "いいえ",
OwnerCanCloseWithDialog = true
}).ContinueWith(t => t.Status != TaskStatus.RanToCompletion ? MessageBoxResult.None : t.Result == MessageDialogResult.Affirmative ? MessageBoxResult.Yes : MessageBoxResult.No));
case MessageBoxButton.OK:
return(mw.ShowMessageAsync(title, message, MessageDialogStyle.Affirmative, new MetroDialogSettings
{
AffirmativeButtonText = !string.IsNullOrEmpty(trueText) ? trueText : "OK",
OwnerCanCloseWithDialog = true
}).ContinueWith(t => t.Status != TaskStatus.RanToCompletion ? MessageBoxResult.None : MessageBoxResult.OK));
}
}
return(base.ShowMessageBoxAsync(context, message, title, trueText, trueStyle, falseText, falseStyle, button, icon));
}
if (mw.Dispatcher.Thread != Thread.CurrentThread)
{
var tcs = new TaskCompletionSource <MessageBoxResult>();
InvokeAsync(context, () => showCore().ContinueWith(t =>
{
if (t.Status == TaskStatus.RanToCompletion)
{
tcs.TrySetResult(t.Result);
}
else if (t.Exception != null)
{
tcs.TrySetException(t.Exception);
}
else
{
tcs.TrySetCanceled();
}
}, TaskScheduler.FromCurrentSynchronizationContext()));
return(tcs.Task);
}
return(showCore());
}
return(base.ShowMessageBoxAsync(context, message, title, trueText, trueStyle, falseText, falseStyle, button, icon));
}
public MainWindow()
{
InitializeComponent();
Loaded += (sender, e) =>
{
DialogParticipation.SetRegister(this, this.DataContext);
};
Unloaded += (sender, e) =>
{
DialogParticipation.SetRegister(this, null);
};
}
public FoodRequestView()
{
InitializeComponent();
DataContextChanged += (sender, args) =>
{
DialogParticipation.SetRegister(this, this.DataContext);
};
DataContextChanged += (sender, args) =>
{
(this.DataContext as FoodRequestViewModel).Model.ReloadItems();
};
}
public LastPageView()
{
InitializeComponent();
this.Loaded += (sender, args) =>
{
DialogParticipation.SetRegister(this, this.DataContext);
((IWizardPageLoadableViewModel)this.DataContext).LoadedCommand.Execute(this);
};
// if using DialogParticipation on Windows which open / close frequently you will get a
// memory leak unless you unregister. The easiest way to do this is in your Closing/ Unloaded
// event, as so:
//
// DialogParticipation.SetRegister(this, null);
this.Unloaded += (sender, args) => { DialogParticipation.SetRegister(this, null); };
}
private async Task RunGenerator(int index)
{
DependencyObject registration = null;
if (_treeGeneratorWindow == null)
{
registration = DialogParticipation.GetAssociation(this);
DialogParticipation.SetRegister(registration, _treeGeneratorViewModel);
}
var generator = _treeGeneratorViewModel.Tabs[index];
await _treeGeneratorViewModel.RunAsync(generator);
if (registration != null)
{
DialogParticipation.SetRegister(registration, this);
}
}
/// <summary>Constructor.</summary>
public RotarySwitchMappingControl()
{
InitializeComponent();
// TODO I'm sure this isn't the best way. DataContext is null after InitializeComponent() so handle its changed event.
DataContextChanged +=
(object sender, DependencyPropertyChangedEventArgs e) =>
{
m_rotarySwitchMapping = (DeviceInstance.Settings.RotarySwitchMapping)DataContext;
if (m_rotarySwitchMapping != null)
{
// TODO ditto. Using dialog:DialogParticipation.Register="{Binding}" in the xaml doesn't work, presumably
// because {Binding} resolves to null at that point.
DialogParticipation.SetRegister(this, this);
}
};
}
protected override Task ShowModalAsync(object context, FrameworkElement frameworkElement)
{
if (GetWindow(context) is MetroWindow mw)
{
Task showCore()
{
if (DialogParticipation.GetRegister(mw) != null &&
!(frameworkElement is Window))
{
ConfigureViewModel(frameworkElement.DataContext);
var tcs = new TaskCompletionSource <object>();
if (frameworkElement is BaseMetroDialog d)
{
d.Unloaded += (s, e) => tcs.TrySetResult(null);
mw.ShowMetroDialogAsync(d);
}
else
{
var gd = new GenericMetroDialog()
{
DataContext = frameworkElement.DataContext,
Content = frameworkElement,
};
gd.Unloaded += (s, e) => tcs.TrySetResult(null);
mw.ShowMetroDialogAsync(gd);
}
return(tcs.Task);
}
return(base.ShowModalAsync(context, frameworkElement));
}
if (mw.Dispatcher.Thread != Thread.CurrentThread)
{
return(InvokeAsync(context, showCore));
}
return(showCore());
}
return(base.ShowModalAsync(context, frameworkElement));
}
private Shell(ShellViewModel viewModel)
{
InitializeComponent();
ViewModel = viewModel;
DialogParticipation.SetRegister(this, ViewModel);
this.WhenActivated(d =>
{
this.BindCommand(ViewModel, vm => vm.TestCommand, v => v.MenuItem_Test).DisposeWith(d);
this.OneWayBind(ViewModel, vm => vm.TestName, v => v.TextBox_Test.Text).DisposeWith(d);
this.BindCommand(ViewModel, vm => vm.LoadFileCommand, v => v.MenuItem_LoadFile).DisposeWith(d);
this.BindCommand(ViewModel, vm => vm.UpCommand, v => v.Button_Up).DisposeWith(d);
this.BindCommand(ViewModel, vm => vm.CreateNodeCommand, v => v.MenuItem_CreateNode).DisposeWith(d);
this.OneWayBind(ViewModel, vm => vm.HasFile, v => v.Grid_Content.Visibility).DisposeWith(d);
this.OneWayBind(ViewModel, vm => vm.NodeNames, v => v.ListBox_Nodes.ItemsSource).DisposeWith(d);
this.Bind(ViewModel, vm => vm.SelectedNodeIndex, v => v.ListBox_Nodes.SelectedIndex).DisposeWith(d);
this.OneWayBind(ViewModel, vm => vm.ItemViewModels, v => v.ListBox_BrowseItems.ItemsSource).DisposeWith(d);
this.Bind(ViewModel, vm => vm.SelectedItemIndex, v => v.ListBox_BrowseItems.SelectedIndex).DisposeWith(d);
this.BindCommand(ViewModel, vm => vm.SaveCommand, v => v.KeyBinding_Save).DisposeWith(d);
});
}
private static CrystalWindow GetCrystalWindow(object context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
if (DialogParticipation.IsRegistered(context) == false)
{
throw new InvalidOperationException($"The context `{context}` is not registered. Consider using the DialogParticipation.Register property in XAML to bind in the DataContext.");
}
var association = DialogParticipation.GetAssociation(context);
var crystalWindow = association.Invoke(() => Window.GetWindow(association) as CrystalWindow);
if (crystalWindow is null)
{
throw new InvalidOperationException($"The context `{context}` is not inside a CrystalWindow.");
}
return(crystalWindow);
}
protected override bool CloseModal(object context, object viewModel)
{
var app = Application.Current;
if (app != null)
{
foreach (var mw in app.Windows.OfType <MetroWindow>().ToList())
{
if (DialogParticipation.GetRegister(mw) != null)
{
var dc = mw.FindChild <Panel>("PART_MetroActiveDialogContainer");
if (dc != null)
{
foreach (var d in dc.Children.OfType <BaseMetroDialog>().Where(e => e.DataContext == viewModel).ToList())
{
mw.HideMetroDialogAsync(d).GetHashCode();
}
}
}
}
}
return(base.CloseModal(context, viewModel));
}
private void OnUnloaded(object sender, RoutedEventArgs e)
{
DialogParticipation.SetRegister(this, null);
_cachedService.Navigating -= OnNavigating;
DoUnLoad();
}
public MetroDialogWindow(IDialogCoordinator coordinator)
{
DialogParticipation.SetRegister(this, this);
}
/// <summary> /// If using DialogParticipation on Windows which open / close frequently you will get a /// memory leak unless you unregister. The easiest way to do this is in your Closing/ Unloaded event /// </summary> /// <param name="sender">Source of the event.</param> /// <param name="e"> Routed event information.</param> private void Shell_OnUnloaded(object sender, RoutedEventArgs e) => DialogParticipation.SetRegister(this, null);
public MainWindow()
{
InitializeComponent();
DialogParticipation.SetRegister(this, this);
_dialogCoordinator = DialogCoordinator.Instance;
}
