Module: Snibbets::Menu

Defined in:
lib/snibbets/menu.rb

Overview

Menu functions

Class Method Summary collapse

Class Method Details

.console_menu(res, title, filename, query: nil) ⇒ Object

Generate a numbered menu, items passed must have a title property



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# File 'lib/snibbets/menu.rb', line 74

def console_menu(res, title, filename, query: nil)
  unless query.nil? || query.empty?
    res = remove_items_without_query(filename, res, query)
    return res[0] if res.count == 1
  end

  if res.count.zero?
    warn 'No matches found' if Snibbets.options[:interactive]
    Process.exit 1
  end

  stty_save = `stty -g`.chomp

  trap('INT') do
    system('stty', stty_save)
    Process.exit 1
  end

  # Generate a numbered menu, items passed must have a title property('INT') { system('stty', stty_save); exit }
  counter = 1
  $stderr.puts
  res.each do |m|
    $stderr.printf("%<counter>2d) %<title>s\n", counter: counter, title: m['title'])
    counter += 1
  end
  $stderr.puts

  begin
    $stderr.printf(title.sub(/:?$/, ': '), res.length)
    while (line = Readline.readline('', true))
      unless line =~ /^[0-9]/
        system('stty', stty_save) # Restore
        exit
      end
      line = line.to_i
      return res[line - 1] if line.positive? && line <= res.length

      warn 'Out of range'
      return console_menu(res, title, filename, query: query)
    end
  rescue Interrupt
    system('stty', stty_save)
    exit
  end
end

.find_query_in_options(filename, res, query) ⇒ Object 



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# File 'lib/snibbets/menu.rb', line 7

def find_query_in_options(filename, res, query)
  options = res.map { |m| "#{filename} #{m['title']}" }
  words = query.split(/ +/)
  words.delete_if { |word| options.none? { |o| o =~ /#{word}/i } }
  words.map(&:downcase).join(' ')
end

.fzf_menu(executable, res, title, query, filename) ⇒ Object 



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# File 'lib/snibbets/menu.rb', line 43

def fzf_menu(executable, res, title, query, filename)
  orig_options = res.dup
  unless query.nil? || query.empty?
    res = remove_items_without_query(filename, res, query)
    return res[0] if res.count == 1
  end

  res = orig_options if res.count.zero?

  options = res.map { |m| "#{filename}: #{m['title']}" }
  q = query.nil? ? '' : find_query_in_options(filename, res, query)
  args = [
    "--height=#{options.count + 3}",
    %(--prompt="#{title} > "),
    '-1',
    %(--header="#{filename}"),
    # '--header-first',
    '--reverse',
    '--no-info',
    %(--query="#{q}"),
    '--tac'
  ]
  selection = `echo #{Shellwords.escape(options.join("\n"))} | #{executable} #{args.join(' ')}`.strip
  Process.exit 1 if selection.empty?

  result = res.select { |m| m['title'] == selection.sub(/^.*?: /, '') }

  result[0]
end

.gum_menu(executable, res, title, query, filename) ⇒ Object 



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# File 'lib/snibbets/menu.rb', line 22

def gum_menu(executable, res, title, query, filename)
  unless query.nil? || query.empty?
    res = remove_items_without_query(filename, res, query)
    return res[0] if res.count == 1
  end

  if res.count.zero?
    warn 'No matches found' if Snibbets.options[:interactive]
    Process.exit 1
  end

  options = res.map { |m| m['title'] }

  puts title
  args = ["--height=#{options.count}"]
  selection = `echo #{Shellwords.escape(options.join("\n"))} | #{executable} filter #{args.join(' ')}`.strip
  Process.exit 1 if selection.empty?

  res.select { |m| m['title'] =~ /#{Regexp.escape(selection)}/ }[0]
end

.menu(res, filename: nil, title: 'Select one', query: nil) ⇒ Object 



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# File 'lib/snibbets/menu.rb', line 120

def menu(res, filename: nil, title: 'Select one', query: nil)
  menu_opt = Snibbets.options[:menus]
  query&.remove_spotlight_tags!

  fzf = TTY::Which.which('fzf')
  gum = TTY::Which.which('gum')

  case menu_opt
  when /fzf/
    return fzf_menu(fzf, res, title, query, filename) unless fzf.empty?
  when /gum/
    return gum_menu(gum, res, title, query, filename) unless gum.empty?
  when /console/
    return console_menu(res, title, filename, query: query)
  end

  return fzf_menu(fzf, res, title, query, filename) unless fzf.empty?

  return gum_menu(gum, res, title, query, filename) unless gum.empty?

  console_menu(res, title, filename, query: query)
end

.remove_items_without_query(filename, res, query) ⇒ Object 



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# File 'lib/snibbets/menu.rb', line 14

def remove_items_without_query(filename, res, query)
  q = find_query_in_options(filename, res, query).split(/ /)
  res.delete_if do |opt|
    q.none? { |word| "#{filename} #{opt['title']}" =~ /#{word}/i }
  end
  res
end