Class: Eclair::Grid

Inherits:
Object
  • Object
show all
Defined in:
lib/eclair/grid.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(keyword = "") ⇒ Grid

Returns a new instance of Grid.



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# File 'lib/eclair/grid.rb', line 9

def initialize keyword = ""
  case config.provider
  when :ec2
    require "eclair/providers/ec2"
    @provider = EC2Provider
  when :k8s
    require "eclair/providers/k8s"
    @provider = K8sProvider
  when :gce
    require "eclair/providers/gce"
    @provider = GCEProvider
  end
  @item_class = @provider.item_class

  @scroll = config.columns.times.map{0}
  @header_rows = 4
  @cursor = [0,0]
  @cell_width = Curses.stdscr.maxx/config.columns
  @maxy = Curses.stdscr.maxy - @header_rows
  @mode = :assign
  @search_buffer = ""

  @provider.prepare keyword
  assign
  at(*@cursor).select(true)
  draw_all
  transit_mode(:nav)
end

Instance Attribute Details

#mode ⇒ Object (readonly)

Returns the value of attribute mode.



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# File 'lib/eclair/grid.rb', line 7

def mode
  @mode
end

Instance Method Details

#action ⇒ Object 



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# File 'lib/eclair/grid.rb', line 83

def action
  targets = @provider.items.select{|i| i.selected && i.connectable?}

  return if targets.empty?
  Curses.close_screen

  if targets.length == 1
    cmd = targets.first.command
  else
    cmds = []
    target_cmd = ""

    targets.each_with_index do |target, i|
      if i == 0
        if ENV['TMUX'] # Eclair called inside of tmux
          # Create new session and save window id
          window_name = `tmux new-window -P -- '#{target.command}'`.strip
          target_cmd = "-t #{window_name}"
        else # Eclair called from outside of tmux
          # Create new session and save session
          session_name = "eclair#{Time.now.to_i}"
          target_cmd = "-t #{session_name}"
          `tmux new-session -d -s #{session_name} -- '#{target.command}'`
        end
      else # Split layout and
        cmds << "split-window #{target_cmd} -- '#{target.command}'"
        cmds << "select-layout #{target_cmd} tiled"
      end
    end
    cmds << "set-window-option #{target_cmd} synchronize-panes on"
    cmds << "attach #{target_cmd}" unless ENV['TMUX']
    cmd = "tmux #{cmds.join(" \\; ")}"
  end
  system(cmd)
  exit()
  resize
end

#append_search(key) ⇒ Object 



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# File 'lib/eclair/grid.rb', line 172

def append_search key
  return unless key

  if @search_buffer.length > 0 && key == 127 # backspace
    @search_buffer = @search_buffer.chop
  elsif key.to_s.length == 1
    begin
      @search_buffer = @search_buffer + key.to_s
    rescue
      return
    end
  else
    return
  end

  update_search
end

#clear_search ⇒ Object 



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# File 'lib/eclair/grid.rb', line 167

def clear_search
  @search_buffer = ""
  update_search
end

#end_search ⇒ Object 



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# File 'lib/eclair/grid.rb', line 159

def end_search
  if @provider.items.any?{|i| i.selected}
    transit_mode(:sel)
  else
    transit_mode(:nav)
  end
end

#move(key) ⇒ Object 



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# File 'lib/eclair/grid.rb', line 38

def move key
  return unless at(*@cursor)
  x,y = @cursor
  mx,my = {
    Curses::KEY_UP => [0,-1],
    ?k => [0,-1],
    Curses::KEY_DOWN => [0,1],
    ?j => [0,1],
    Curses::KEY_LEFT => [-1,0],
    ?h => [-1,0],
    Curses::KEY_RIGHT => [1,0],
    ?l => [1,0],
  }[key]

  newx = x
  loop do
    newx = (newx + mx) % @grid.length
    break if @grid[newx].length > 0
  end
  newy = (y + my - @scroll[x] + @scroll[newx])
  if my != 0
    newy %= @grid[newx].length
  end
  if newy >= @grid[newx].length
    newy = @grid[newx].length-1
  end

  move_cursor(newx, newy)
end

#resize ⇒ Object 



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# File 'lib/eclair/grid.rb', line 121

def resize
  Curses.clear
  @scroll.fill(0)
  @cell_width = Curses.stdscr.maxx/config.columns
  @maxy = Curses.stdscr.maxy - @header_rows
  rescroll(*@cursor)
  draw_all
end

#space ⇒ Object 



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# File 'lib/eclair/grid.rb', line 68

def space
  if @mode == :nav
    transit_mode(:sel)
  end

  at(*@cursor)&.toggle_select

  if @mode == :sel && @provider.items.all?{|i| !i.selected}
    transit_mode(:nav)
  end


  draw(*@cursor)
end

#start_search ⇒ Object 



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# File 'lib/eclair/grid.rb', line 155

def start_search
  transit_mode(:search)
end

#transit_mode(to) ⇒ Object 



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# File 'lib/eclair/grid.rb', line 130

def transit_mode to
  return if to == @mode

  case @mode
  when :nav
    at(*@cursor)&.select(false)
  when :sel
  when :search
  when :assign
  end

  @mode = to

  case @mode
  when :nav
    at(*@cursor)&.select(true)
  when :sel
  when :search
  when :assign
    move_cursor(0,0)
  end

  draw_all
end