lib/torba/ui.rb in torba-0.6.0 vs lib/torba/ui.rb in torba-0.7.0

@@ -20,7 +20,20 @@
     end
 
     def error(message)
       @shell.say(message, :red)
     end
+
+    # @return [Integer] index of chosen option.
+    # @return [nil] if exit was chosen.
+    # @since 0.7.0
+    def choose_one(options)
+      options.each_with_index do |option, index|
+        info("#{index + 1} : #{option}")
+      end
+      info("0 : - exit -")
+
+      index = @shell.ask("> ").to_i - 1
+      (0..options.size - 1).cover?(index) ? index : nil
+    end
   end
 end