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module LeapCli
module Commands
extend self
extend LeapCli::Util
#
# keeps prompting the user for a numbered choice, until they pick a good one or bail out.
#
# block is yielded and is responsible for rendering the choices.
#
def numbered_choice_menu(msg, items, &block)
while true
say("\n" + msg + ':')
items.each_with_index &block
say("q. quit")
index = ask("number 1-#{items.length}> ")
if index.empty?
next
elsif index =~ /q/
bail!
else
i = index.to_i - 1
if i < 0 || i >= items.length
bail!
else
return i
end
end
end
end
end
end
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