/// <summary>
/// Configure <see cref="IDialogWindow"/> and <see cref="IDialogAware"/> events.
/// </summary>
/// <param name="dialogWindow">The hosting window.</param>
/// <param name="callback">The action to perform when the dialog is closed.</param>
internal static void ConfigureDialogWindowEvents(this IDialogWindow dialogWindow, Action <IDialogResult> callback)
{
Action <IDialogResult> requestCloseHandler = null;
requestCloseHandler = (o) =>
{
dialogWindow.Result = o;
dialogWindow.Close();
};
RoutedEventHandler loadedHandler = null;
loadedHandler = (o, e) =>
{
dialogWindow.Loaded -= loadedHandler;
dialogWindow.GetDialogViewModel().RequestClose += requestCloseHandler;
};
dialogWindow.Loaded += loadedHandler;
CancelEventHandler closingHandler = null;
closingHandler = (o, e) =>
{
if (!dialogWindow.GetDialogViewModel().CanCloseDialog())
{
e.Cancel = true;
}
};
dialogWindow.Closing += closingHandler;
EventHandler closedHandler = null;
closedHandler = (o, e) =>
{
dialogWindow.Closed -= closedHandler;
dialogWindow.Closing -= closingHandler;
dialogWindow.GetDialogViewModel().RequestClose -= requestCloseHandler;
dialogWindow.GetDialogViewModel().OnDialogClosed();
if (dialogWindow.Result == null)
{
dialogWindow.Result = new DialogResult();
}
callback?.Invoke(dialogWindow.Result);
dialogWindow.DataContext = null;
dialogWindow.Content = null;
};
dialogWindow.Closed += closedHandler;
}
private static void CloseDialog(IDialogWindow dialog)
{
// For a TreeViewItem the double-click event bubbles up and fires for every ancestor TreeViewItem as well
// We only want to handle it once to close the dialog (ignore repeated attempts to close dialog)
if (dialog != null)
{
if (dialog.DialogResult != true)
{
dialog.DialogResult = true;
dialog.Close();
}
}
}
private void CloseDialog(IDialogWindow dialog)
{
if (!this.patternManager.Products.Any(product => product.InstanceName.Equals(this.productName, StringComparison.OrdinalIgnoreCase)))
{
dialog.DialogResult = true;
dialog.Close();
}
else
{
this.userMessageService.ShowError(string.Format(
CultureInfo.CurrentCulture,
Resources.AddNewProductViewModel_ProductNameDuplicated,
this.productName));
}
}
/// <summary>
/// Configure <see cref="IDialogWindow"/> and <see cref="IDialogAware"/> events.
/// </summary>
/// <param name="dialogWindow">The hosting window.</param>
/// <param name="callback">The action to perform when the dialog is closed.</param>
protected virtual void ConfigureDialogWindowEvents(IDialogWindow dialogWindow, Action <IDialogResult> callback)
{
void requestCloseHandler(IDialogResult o)
{
dialogWindow.Result = o;
dialogWindow.Close();
}
void loadedHandler(object o, RoutedEventArgs e)
{
dialogWindow.Loaded -= loadedHandler;
dialogWindow.GetDialogViewModel().RequestClose += requestCloseHandler;
}
dialogWindow.Loaded += loadedHandler;
void closingHandler(object o, CancelEventArgs e)
{
if (!dialogWindow.GetDialogViewModel().CanCloseDialog())
{
e.Cancel = true;
}
}
dialogWindow.Closing += closingHandler;
void closedHandler(object o, EventArgs e)
{
dialogWindow.Closed -= closedHandler;
dialogWindow.Closing -= closingHandler;
dialogWindow.GetDialogViewModel().RequestClose -= requestCloseHandler;
dialogWindow.GetDialogViewModel().OnDialogClosed();
if (dialogWindow.Result == null)
{
dialogWindow.Result = new DialogResult();
}
callback?.Invoke(dialogWindow.Result);
dialogWindow.DataContext = null;
dialogWindow.Content = null;
}
dialogWindow.Closed += closedHandler;
}
/// <summary>
/// Creates an instance of EventHandler<DialogCloseRequestEventArgs> />
/// </summary>
private static EventHandler <DialogCloseRequestEventArgs> CreateHandler <TViewModel>(TViewModel viewModel, IDialogWindow dialog)
where TViewModel : IDialogRequestClose
{
void handler(object sender, DialogCloseRequestEventArgs e)
{
// Unsubscribe from the event when event is called
// once the view is closed, it is not needed anymore
viewModel.CloseRequested -= handler;
if (e.DialogResult.HasValue)
{
dialog.DialogResult = e.DialogResult;
}
else
{
dialog.Close();
}
}
return(handler);
}
private void CloseDialog(IDialogWindow dialog)
{
if (!this.sibilings.Any(product => product.InstanceName.Equals(this.instanceName, StringComparison.OrdinalIgnoreCase)))
{
dialog.DialogResult = true;
dialog.Close();
}
else
{
this.userMessageService.ShowError(string.Format(
CultureInfo.CurrentCulture,
Resources.AddNewProductViewModel_ProductNameDuplicated,
this.instanceName));
}
}
private void CloseDialog(IDialogWindow dialog)
{
dialog.DialogResult = true;
dialog.Close();
}
private static void CloseDialog(IDialogWindow dialog)
{
dialog.DialogResult = true;
dialog.Close();
}
private static void CloseDialog(IDialogWindow dialog)
{
// For a TreeViewItem the double-click event bubbles up and fires for every ancestor TreeViewItem as well
// We only want to handle it once to close the dialog (ignore repeated attempts to close dialog)
if (dialog != null)
{
if (dialog.DialogResult != true)
{
dialog.DialogResult = true;
dialog.Close();
}
}
}