public override void Apply <T>(ref IMessageActivity message, string prompt, IReadOnlyList <T> options, IReadOnlyList <string> descriptions = null, string speak = null)
{
SetField.CheckNull(nameof(prompt), prompt);
SetField.CheckNull(nameof(options), options);
message.Speak = speak;
message.InputHint = InputHints.ExpectingInput;
if (descriptions == null)
{
descriptions = (from option in options select option.ToString()).ToList();
}
switch (PromptStyle)
{
case PromptStyle.Auto:
case PromptStyle.Keyboard:
if (options != null && options.Any())
{
if (PromptStyle == PromptStyle.Keyboard)
{
message.SuggestedActions = new SuggestedActions(actions: GenerateButtons(options, descriptions));
message.Text = prompt;
}
else
{
var heroCard = new HeroCard(text: prompt, buttons: GenerateButtons(options, descriptions));
message.AttachmentLayout = AttachmentLayoutTypes.Carousel;
message.Attachments = new List <Attachment>()
{
(isAdaptiveCard) ? heroCard.ToAdaptiveCard().ToAttachment() : heroCard.ToAttachment()
};
}
}
else
{
message.Text = prompt;
}
break;
case PromptStyle.AutoText:
Apply(ref message, prompt, options, options?.Count() > 4 ? PromptStyle.PerLine : PromptStyle.Inline, descriptions);
break;
case PromptStyle.Inline:
//TODO: Refactor buildlist function to a more generic namespace when changing prompt to use recognizers.
message.Text = $"{prompt} {Microsoft.Bot.Builder.FormFlow.Advanced.Language.BuildList(descriptions, Resources.DefaultChoiceSeparator, Resources.DefaultChoiceLastSeparator)}";
break;
case PromptStyle.PerLine:
message.Text = $"{prompt}{Environment.NewLine}{Microsoft.Bot.Builder.FormFlow.Advanced.Language.BuildList(descriptions.Select(description => $"* {description}"), Environment.NewLine, Environment.NewLine)}";
break;
case PromptStyle.None:
default:
message.Text = prompt;
break;
}
}