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How do I cancel/exit or escape from PromptDialog.Choice in Bot Framework? – Photoshop

The PromptDialog.Choice in the Bot Framework display the choice list which is working well. However, I would like to have an option to cancel/escape/exit the dialog with giving cancel/escape/exit optioin in the list. Is there anything in PromptDialog.Choice which can be overridden since i have not found any cancel option.

here is my code in c#..

PromptDialog.Choice(
                 context: context,
                 resume: ChoiceSelectAsync,
                 options: getSoftwareList(softwareItem),
                 prompt: "We have the following software items matching " + softwareItem + ". (1), (2), (3). Which one do you want?:",
                 retry: "I didn't understand. Please try again.",
                 promptStyle: PromptStyle.PerLine);

Example:

Bot: We have the following software items matching Photoshop. (1), (2), (3). Which one do you want

  • Version 1
  • Version 2
  • Version 3

What I want if user enter none of above or a command or number, cancel, exit, that bypasses the options above, without triggering the retry error message.

How do we do that?

Tags:

3

Answers


  1. Chosen as BEST ANSWER
    0

    Current Prompt Choice does not work in that way to allows user select by number. I have override the ScoreMatch function in CancleablePromptChoice as below 

    public override Tuple<bool, int> ScoreMatch(T option, string input)
        {
            var trimmed = input.Trim();
            var text = option.ToString();

            // custom logic to allow users to select by number
            int isInt;
            if(int.TryParse(input,out isInt) && isInt <= promptOptions.Options.Count())
            {
                text = promptOptions.Options.ElementAt(isInt - 1).ToString();
                trimmed = option.ToString().Equals(text) ? text :trimmed;
            }           

            bool occurs = text.IndexOf(trimmed, StringComparison.CurrentCultureIgnoreCase) >= 0;
            bool equals = text == trimmed; 
            return occurs ? Tuple.Create(equals, trimmed.Length) : null;
        }

    @Ezequiel Once again thank you!.


  2. 0

    Just add the option “cancel” on the list and use a switch-case on the method that gets the user input, then call your main manu, or whatever you want to do on cancel

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  3. 0

    There are two ways of achieving this:

    1. Add cancel as an option as suggested. While this would definitely work, long term you will find repeating yourself a lot, plus that you will see the cancel option in the list of choices, what may not be desired.
    2. A better approach would be to extend the current PromptChoice to add your exit/cancelation logic. The good news is that there is something already implemented that you could use as is or as the base to achieve your needs. Take a look to the CancelablePromptChoice included in the BotBuilder-Samples repository. Here is how to use it.
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