public static Promise <DialogOption> Pick(ConsoleString message, IEnumerable <DialogOption> options, bool allowEscapeToCancel = true, int maxHeight = 12)
{
var deferred = Deferred <DialogOption> .Create();
ConsoleApp.AssertAppThread();
ConsolePanel dialogContent = new StackPanel()
{
};
Dialog dialog = new Dialog(dialogContent);
dialog.MaxHeight = maxHeight;
dialog.AllowEscapeToCancel = allowEscapeToCancel;
Grid optionsGrid = dialogContent.Add(new Grid(options.Select(o => o as object).ToList())).Fill();
optionsGrid.MoreDataMessage = "More options below".ToYellow();
optionsGrid.EndOfDataMessage = "End of menu";
optionsGrid.VisibleColumns.Remove(optionsGrid.VisibleColumns.Where(v => v.ColumnName.ToString() == nameof(DialogOption.Id)).Single());
optionsGrid.VisibleColumns[0].WidthPercentage = 1;
optionsGrid.VisibleColumns[0].ColumnDisplayName = message.IsUnstyled ? message.ToYellow() : message;
optionsGrid.VisibleColumns[0].OverflowBehavior = new TruncateOverflowBehavior();
(optionsGrid.VisibleColumns[0].OverflowBehavior as TruncateOverflowBehavior).ColumnWidth = 0;
DialogOption result = null;
optionsGrid.SelectedItemActivated += () =>
{
result = optionsGrid.SelectedItem as DialogOption;
ConsoleApp.Current.LayoutRoot.Controls.Remove(dialog);
};
dialog.RemovedFromVisualTree.SubscribeForLifetime(() =>
{
deferred.Resolve(result);
}, dialog);
ConsoleApp.Current.LayoutRoot.Controls.Add(dialog);
return(deferred.Promise);
}
internal override ConsoleControl GetContent()
{
if (Options == null)
{
throw new ArgumentException("Options cannot be null");
}
if (Mode == DialogButtonsPresentationMode.Grid && Options.Count == 0)
{
throw new ArgumentException("You need to specify at least one button for grid mode");
}
if (Mode == DialogButtonsPresentationMode.Buttons)
{
ConsolePanel dialogContent = new ConsolePanel();
ScrollablePanel messagePanel = dialogContent.Add(new ScrollablePanel()).Fill(padding: new Thickness(0, 0, 1, 3));
Label messageLabel = messagePanel.ScrollableContent.Add(new Label()
{
Mode = LabelRenderMode.MultiLineSmartWrap, Text = Message
}).FillHorizontally(padding: new Thickness(3, 3, 0, 0));
if (Options.Count > 0)
{
StackPanel buttonPanel = dialogContent.Add(new StackPanel()
{
Margin = 1, Height = 1, Orientation = Orientation.Horizontal
}).FillHorizontally(padding: new Thickness(1, 0, 0, 0)).DockToBottom(padding: 1);
foreach (var option in Options)
{
var myOption = option;
Button b = new Button()
{
Text = option.DisplayText
};
b.Pressed.SubscribeOnce(() =>
{
SelectedOption = myOption;
Dialog.Dismiss();
});
buttonPanel.Controls.Add(b);
}
buttonPanel.Controls.Last().AddedToVisualTree.SubscribeOnce(() => buttonPanel.Application.InvokeNextCycle(() => { buttonPanel.Controls.Last().TryFocus(); }));
}
return(dialogContent);
}
else
{
Grid optionsGrid = new Grid(Options.Select(o => o as object).ToList());
optionsGrid.MoreDataMessage = "More options below".ToYellow();
optionsGrid.EndOfDataMessage = "End of menu";
optionsGrid.VisibleColumns.Remove(optionsGrid.VisibleColumns.Where(v => v.ColumnName.ToString() == nameof(DialogOption.Id)).Single());
optionsGrid.VisibleColumns[0].WidthPercentage = 1;
optionsGrid.VisibleColumns[0].ColumnDisplayName = Message.IsUnstyled ? Message.ToYellow() : Message;
optionsGrid.VisibleColumns[0].OverflowBehavior = new TruncateOverflowBehavior();
(optionsGrid.VisibleColumns[0].OverflowBehavior as TruncateOverflowBehavior).ColumnWidth = 0;
optionsGrid.SelectedItemActivated += () =>
{
this.SelectedOption = optionsGrid.SelectedItem as DialogOption;
Dialog.Dismiss();
};
optionsGrid.AddedToVisualTree.SubscribeOnce(() => optionsGrid.Application.InvokeNextCycle(() => { optionsGrid.TryFocus(); }));
return(optionsGrid);
}
}
