protected override void OnClosing(CancelEventArgs e)
{
if (IsDirty && CanSave)
{
var dlg = new MetroDialogWindow {
Owner = this,
Title = "Unsaved Changes",
Width = Width,
Message = $"Do you want to save changes to {Session.Title}?",
ButtonStyle = MessageDialogStyle.AffirmativeAndNegativeAndSingleAuxiliary,
AffirmativeButtonText = "save",
NegativeButtonText = "don't save",
};
dlg.ShowDialog();
if (dlg.Result == MessageDialogResult.Affirmative)
{
if (!Save(SaveOperation.Save))
{
e.Cancel = true;
return;
}
}
else if (dlg.Result == MessageDialogResult.FirstAuxiliary)
{
e.Cancel = true;
return;
}
}
base.OnClosing(e);
}
public static void Present(this UserPresentableException e, object uiContext = null)
{
Log.Error(TAG, $"{e.Message} ({e.Details})", e.InnerException ?? e);
MainThread.Ensure();
var window = new MetroDialogWindow {
Title = e.Message,
Message = e.Details,
AffirmativeButtonText = Catalog.GetString("OK")
};
var ownerWindow = uiContext as Window;
if (ownerWindow == null)
{
window.Owner = ownerWindow;
window.Width = 400;
window.WindowStartupLocation = WindowStartupLocation.CenterScreen;
}
else
{
window.Width = ownerWindow.Width;
window.WindowStartupLocation = WindowStartupLocation.CenterOwner;
}
window.ShowDialog();
}
void IAlertMessageViewDelegate.DisplayMessage(Message message)
{
var affirmativeAction = message.AffirmativeAction;
var negativeAction = message.NegativeAction;
var auxiliaryAction = message.AuxiliaryAction;
if (affirmativeAction == null)
{
return;
}
var dialog = new MetroDialogWindow {
Owner = window,
Width = window.Width,
ButtonStyle = MessageDialogStyle.Affirmative,
Title = message.Text,
Message = message.DetailedText ?? message.Text
};
dialog.AffirmativeButtonText = affirmativeAction.Label;
if (negativeAction != null)
{
dialog.ButtonStyle = MessageDialogStyle.AffirmativeAndNegative;
dialog.NegativeButtonText = negativeAction.Label;
if (auxiliaryAction != null)
{
dialog.ButtonStyle = MessageDialogStyle.AffirmativeAndNegativeAndSingleAuxiliary;
dialog.FirstAuxiliaryButtonText = auxiliaryAction.Label;
}
}
dialogs.Add(message.Id, dialog);
dialog.Closed += (sender, e) => {
MessageAction action = null;
switch (dialog.Result)
{
case MessageDialogResult.Affirmative:
action = affirmativeAction;
break;
case MessageDialogResult.Negative:
action = negativeAction;
break;
case MessageDialogResult.FirstAuxiliary:
action = auxiliaryAction;
break;
}
if (action != null && dialogs.ContainsKey(message.Id))
{
message?.ActionResponseHandler(message, action);
}
};
dialog.ShowDialog();
}