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Contents
# encoding: utf-8
require_relative 'question'
require_relative 'symbols'
module TTY
class Prompt
# A prompt responsible for multi line user input
#
# @api private
class Multiline < Question
HELP = '(Press CTRL-D or CTRL-Z to finish)'.freeze
def initialize(prompt, options = {})
super
@help = options[:help] || self.class::HELP
@first_render = true
@lines_count = 0
@prompt.subscribe(self)
end
# Provide help information
#
# @return [String]
#
# @api public
def help(value = (not_set = true))
return @help if not_set
@help = value
end
def read_input
@prompt.read_multiline
end
def keyreturn(*)
@lines_count += 1
end
alias keyenter keyreturn
def render_question
header = "#{@prefix}#{message} "
if !echo?
header
elsif @done
header += @prompt.decorate("#{@input}", @active_color)
elsif @first_render
header += @prompt.decorate(help, @help_color)
@first_render = false
end
header += "\n"
header
end
def process_input(question)
@lines = read_input
@input = "#{@lines.first.strip} ..." unless @lines.first.to_s.empty?
if Utils.blank?(@input)
@input = default? ? default : nil
end
@evaluator.(@lines)
end
def refresh(lines)
size = @lines_count + lines + 1
@prompt.clear_lines(size)
end
end # Multiline
end # Prompt
end # TTY
Version data entries
5 entries across 5 versions & 2 rubygems