Module: Pylonite::TUI

Defined in:
lib/pylonite/tui.rb

Constant Summary collapse

BOARD_COLORS = 
{
  "backlog" => "\e[37m",
  "todo" => "\e[33m",
  "in_progress" => "\e[36m",
  "done" => "\e[32m",
  "archived" => "\e[90m"
}.freeze
BOLD = 
"\e[1m"
RESET = 
"\e[0m"
REVERSE = 
"\e[7m"
DIM = 
"\e[2m"

Class Method Summary collapse

Class Method Details

.board_label(board) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 603

def self.board_label(board)
  board.gsub("_", " ").split.map(&:capitalize).join(" ")
end

.build_detail_lines(task, cols) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 524

def self.build_detail_lines(task, cols)
  lines = []
  color = BOARD_COLORS[task["board"]] || RESET

  lines << ""
  lines << "  #{BOLD}#{task['title']}#{RESET}"
  lines << ""
  lines << "  #{DIM}Board:#{RESET}    #{color}#{board_label(task['board'])}#{RESET}"
  lines << "  #{DIM}Author:#{RESET}   #{task['author']}"
  lines << "  #{DIM}Assignee:#{RESET} #{task['assignee'] || '(none)'}"
  lines << "  #{DIM}Created:#{RESET}  #{task['created_at']}"
  lines << "  #{DIM}Updated:#{RESET}  #{task['updated_at']}"

  if task["description"] && !task["description"].empty?
    lines << ""
    lines << "  #{BOLD}Description#{RESET}"
    wrap_text(task["description"], cols - 4).each { |l| lines << "  #{l}" }
  end

  parent = task["parent"]
  if parent
    lines << ""
    lines << "  #{BOLD}Parent#{RESET}"
    lines << "    ##{parent['id']} #{parent['title']}"
  end

  subtasks = task["subtasks"] || []
  unless subtasks.empty?
    lines << ""
    lines << "  #{BOLD}Subtasks#{RESET}"
    subtasks.each do |st|
      st_color = BOARD_COLORS[st["board"]] || RESET
      lines << "    ##{st['id']} #{st_color}[#{board_label(st['board'])}]#{RESET} #{st['title']}"
    end
  end

  blockers = task["blockers"] || []
  unless blockers.empty?
    lines << ""
    lines << "  #{BOLD}Blocked by#{RESET}"
    blockers.each do |b|
      b_color = BOARD_COLORS[b["board"]] || RESET
      lines << "    ##{b['id']} #{b_color}[#{board_label(b['board'])}]#{RESET} #{b['title']}"
    end
  end

  blocked_by_this = task["blocked_by_this"] || []
  unless blocked_by_this.empty?
    lines << ""
    lines << "  #{BOLD}Blocking#{RESET}"
    blocked_by_this.each do |b|
      b_color = BOARD_COLORS[b["board"]] || RESET
      lines << "    ##{b['id']} #{b_color}[#{board_label(b['board'])}]#{RESET} #{b['title']}"
    end
  end

  comments = task["comments"] || []
  unless comments.empty?
    lines << ""
    lines << "  #{BOLD}Comments#{RESET}"
    comments.each do |c|
      lines << ""
      lines << "    #{DIM}#{c['author']} at #{c['created_at']}#{RESET}"
      wrap_text(c["text"], cols - 6).each { |l| lines << "    #{l}" }
    end
  end

  history = task["history"] || []
  unless history.empty?
    lines << ""
    lines << "  #{BOLD}History#{RESET}"
    history.each do |h|
      lines << "    #{DIM}#{h['created_at']}#{RESET} #{h['actor']} - #{h['detail']}"
    end
  end

  lines
end

.build_log_lines(entries, cols) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 418

def self.build_log_lines(entries, cols)
  return ["", "  #{DIM}No activity yet.#{RESET}"] if entries.empty?

  lines = []
  entries.each do |e|
    lines << "  #{DIM}#{e["created_at"]}#{RESET} #{e["actor"]} #{format_log_action(e["action"])} #{BOLD}##{e["task_id"]}#{RESET} #{truncate(e["title"], cols - 40)}"
    lines << "    #{DIM}#{e["detail"]}#{RESET}"
    lines << ""
  end
  lines
end

.do_move(state, board) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 216

def self.do_move(state, board)
  state[:db].move_task(state[:move_task_id], board)
  state[:moving] = false
  state[:move_task_id] = nil
end

.format_log_action(action) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 430

def self.format_log_action(action)
  case action
  when "created" then "created"
  when "moved" then "moved"
  when "assigned" then "assigned"
  when "commented" then "commented on"
  when "updated" then "updated"
  when "blocker_added" then "added blocker to"
  when "blocker_removed" then "removed blocker from"
  when "subtask_added" then "added subtask to"
  when "subtask_created" then "created subtask"
  else action.tr("_", " ")
  end
end

.handle_board_input(state, key) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 108

def self.handle_board_input(state, key)
  boards = visible_boards(state)
  tasks_by_board = load_board_tasks(state)

  case key
  when "q", "\e"
    return false
  when :up, "k"
    state[:row_index] = [state[:row_index] - 1, 0].max
  when :down, "j"
    col_tasks = tasks_by_board[boards[state[:col_index]]] || []
    max_row = [(col_tasks.length - 1), 0].max
    state[:row_index] = [state[:row_index] + 1, max_row].min
  when :left, "h"
    state[:col_index] = [state[:col_index] - 1, 0].max
    col_tasks = tasks_by_board[boards[state[:col_index]]] || []
    max_row = [(col_tasks.length - 1), 0].max
    state[:row_index] = [state[:row_index], max_row].min
  when :right, "l"
    state[:col_index] = [state[:col_index] + 1, boards.length - 1].min
    col_tasks = tasks_by_board[boards[state[:col_index]]] || []
    max_row = [(col_tasks.length - 1), 0].max
    state[:row_index] = [state[:row_index], max_row].min
    state[:row_index] = 0 if col_tasks.empty?
  when "a"
    state[:show_archived] = !state[:show_archived]
    state[:col_index] = [state[:col_index], visible_boards(state).length - 1].min
  when "\r"
    col_tasks = tasks_by_board[boards[state[:col_index]]] || []
    if col_tasks[state[:row_index]]
      state[:detail_task_id] = col_tasks[state[:row_index]]["id"]
      state[:detail_scroll] = 0
      state[:view] = :detail
    end
  when "m"
    col_tasks = tasks_by_board[boards[state[:col_index]]] || []
    if col_tasks[state[:row_index]]
      state[:moving] = true
      state[:move_task_id] = col_tasks[state[:row_index]]["id"]
    end
  when "c"
    col_tasks = tasks_by_board[boards[state[:col_index]]] || []
    if col_tasks[state[:row_index]]
      prompt_comment(state, col_tasks[state[:row_index]]["id"])
    end
  when "L"
    state[:view] = :log
    state[:log_scroll] = 0
  when "?"
    state[:show_help] = true
  end

  true
end

.handle_detail_input(state, key) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 163

def self.handle_detail_input(state, key)
  case key
  when "q"
    return false
  when "b", "\e"
    state[:view] = :board
  when :up, "k"
    state[:detail_scroll] = [state[:detail_scroll] - 1, 0].max
  when :down, "j"
    state[:detail_scroll] += 1
  when "m"
    state[:moving] = true
    state[:move_task_id] = state[:detail_task_id]
  when "c"
    prompt_comment(state, state[:detail_task_id])
  when "?"
    state[:show_help] = true
  end

  true
end

.handle_input(state) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 61

def self.handle_input(state)
  char = read_key
  return true unless char

  if state[:show_help]
    state[:show_help] = false
    return true
  end

  if state[:moving]
    return handle_move_input(state, char)
  end

  case state[:view]
  when :board
    handle_board_input(state, char)
  when :detail
    handle_detail_input(state, char)
  when :log
    handle_log_input(state, char)
  end
end

.handle_log_input(state, key) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 185

def self.handle_log_input(state, key)
  case key
  when "q"
    return false
  when "b", "\e"
    state[:view] = :board
  when :up, "k"
    state[:log_scroll] = [state[:log_scroll] - 1, 0].max
  when :down, "j"
    state[:log_scroll] += 1
  when "?"
    state[:show_help] = true
  end

  true
end

.handle_move_input(state, key) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 202

def self.handle_move_input(state, key)
  case key
  when "1" then do_move(state, "backlog")
  when "2" then do_move(state, "todo")
  when "3" then do_move(state, "in_progress")
  when "4" then do_move(state, "done")
  when "5" then do_move(state, "archived")
  else
    state[:moving] = false
    state[:move_task_id] = nil
  end
  true
end

.load_board_tasks(state) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 252

def self.load_board_tasks(state)
  tasks = state[:db].list_tasks(include_archived: state[:show_archived])
  tasks.group_by { |t| t["board"] }
end

.prompt_comment(state, task_id) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 222

def self.prompt_comment(state, task_id)
  _, rows = terminal_size
  # Show prompt on the last row
  print "\e[#{rows};1H\e[2K" # move to last row, clear it
  print "#{BOLD}Comment:#{RESET} "
  # Restore normal terminal mode for text input
  print "\e[?25h" # show cursor
  $stdout.flush

  text = nil
  if $stdin.respond_to?(:cooked)
    $stdin.cooked { text = $stdin.gets }
  else
    text = $stdin.gets
  end
  print "\e[?25l" # hide cursor again

  if text && !(text = text.strip).empty?
    state[:db].add_comment(task_id, text)
  end
end

.read_key ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 84

def self.read_key
  $stdin.raw do |io|
    c = io.getc
    return nil unless c

    if c == "\e"
      return "\e" unless IO.select([io], nil, nil, 0.05)
      seq = io.getc
      if seq == "["
        code = io.getc
        case code
        when "A" then return :up
        when "B" then return :down
        when "C" then return :right
        when "D" then return :left
        end
      end
      return "\e"
    end

    c
  end
end

.render(state) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 257

def self.render(state)
  cols, rows = terminal_size
  buf = +""
  buf << "\e[2J\e[H" # clear screen, cursor home

  case state[:view]
  when :board
    buf << render_board(state, cols, rows)
  when :detail
    buf << render_detail(state, cols, rows)
  when :log
    buf << render_log(state, cols, rows)
  end

  if state[:show_help]
    buf << render_help_overlay(cols, rows)
  elsif state[:moving]
    buf << render_move_overlay(state, cols, rows)
  end

  print buf
  $stdout.flush
end

.render_board(state, cols, rows) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 287

def self.render_board(state, cols, rows)
  boards = visible_boards(state)
  tasks_by_board = load_board_tasks(state)
  buf = +""

  # Title bar
  title = " PYLONITE - Task Board "
  pad = [(cols - title.length) / 2, 0].max
  buf << "#{REVERSE}#{BOLD}#{' ' * pad}#{title}#{' ' * (cols - pad - title.length)}#{RESET}\n"

  # Column layout
  num_cols = boards.length
  col_width = cols / num_cols
  available_rows = rows - 4 # title + header + status bar + bottom padding

  # Column headers
  boards.each_with_index do |board, i|
    color = BOARD_COLORS[board] || RESET
    label = board_label(board)
    task_count = (tasks_by_board[board] || []).length
    header = " #{label} (#{task_count})"
    header = truncate(header, col_width - 1)
    if i == state[:col_index]
      buf << "#{REVERSE}#{color}#{BOLD}#{header.ljust(col_width)}#{RESET}"
    else
      buf << "#{color}#{BOLD}#{header.ljust(col_width)}#{RESET}"
    end
  end
  buf << "\n"

  # Separator
  boards.each do |_board|
    buf << "#{'─' * col_width}"
  end
  buf << "\n"

  # Task rows
  (0...available_rows).each do |row_i|
    boards.each_with_index do |board, col_i|
      color = BOARD_COLORS[board] || RESET
      col_tasks = tasks_by_board[board] || []
      task = col_tasks[row_i]

      if task
        id_str = "##{task['id']}"
        max_title_len = col_width - id_str.length - 3
        title = truncate(task["title"], [max_title_len, 4].max)
        cell = " #{id_str} #{title}"
        cell = truncate(cell, col_width - 1)

        if col_i == state[:col_index] && row_i == state[:row_index]
          buf << "#{REVERSE}#{color}#{cell.ljust(col_width)}#{RESET}"
        else
          buf << "#{color}#{cell.ljust(col_width)}#{RESET}"
        end
      else
        buf << "#{' ' * col_width}"
      end
    end
    buf << "\n"
  end

  # Status bar
  bar_text = " q:quit  hjkl:navigate  enter:detail  m:move  c:comment  L:log  a:archived  ?:help"
  archived_status = state[:show_archived] ? " [archived:on]" : ""
  bar_text += archived_status
  buf << "\e[#{rows};1H" # move to last row
  buf << "#{REVERSE}#{DIM}#{bar_text.ljust(cols)}#{RESET}"

  buf
end

.render_detail(state, cols, rows) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 359

def self.render_detail(state, cols, rows)
  task = state[:db].get_task(state[:detail_task_id])
  return render_board(state, cols, rows) unless task

  lines = build_detail_lines(task, cols)
  buf = +""

  # Title bar
  title = " Task ##{task['id']} - Detail View "
  pad = [(cols - title.length) / 2, 0].max
  buf << "#{REVERSE}#{BOLD}#{' ' * pad}#{title}#{' ' * (cols - pad - title.length)}#{RESET}\n"

  available = rows - 3 # title bar + status bar + padding
  scroll = [state[:detail_scroll], [lines.length - available, 0].max].min
  state[:detail_scroll] = scroll

  visible = lines[scroll, available] || []
  visible.each { |line| buf << "#{line}\n" }

  # Fill remaining lines
  remaining = available - visible.length
  remaining.times { buf << "\n" }

  # Status bar
  bar_text = " b:back  q:quit  j/k:scroll  m:move  c:comment  ?:help"
  buf << "\e[#{rows};1H"
  buf << "#{REVERSE}#{DIM}#{bar_text.ljust(cols)}#{RESET}"

  buf
end

.render_help_overlay(cols, rows) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 466

def self.render_help_overlay(cols, rows)
  lines = [
    "#{BOLD}Keyboard Shortcuts#{RESET}",
    "",
    "#{BOLD}Board View#{RESET}",
    "  h/l, left/right   Switch columns",
    "  j/k, up/down      Move between tasks",
    "  Enter             View task detail",
    "  m                 Move selected task to another board",
    "  c                 Add comment to selected task",
    "  L                 Activity log",
    "  a                 Toggle archived column",
    "  q, Esc            Quit",
    "",
    "#{BOLD}Detail View#{RESET}",
    "  j/k, up/down      Scroll",
    "  m                 Move task to another board",
    "  c                 Add comment",
    "  b, Esc            Back to board view",
    "  q                 Quit",
    "",
    "#{BOLD}Log View#{RESET}",
    "  j/k, up/down      Scroll",
    "  b, Esc            Back to board view",
    "  q                 Quit",
    "",
    "#{BOLD}Move Overlay#{RESET}",
    "  1                 Backlog",
    "  2                 Todo",
    "  3                 In Progress",
    "  4                 Done",
    "  5                 Archived",
    "  Any other key     Cancel",
    "",
    "#{DIM}Press any key to close#{RESET}"
  ]
  render_overlay(lines, cols, rows)
end

.render_log(state, cols, rows) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 390

def self.render_log(state, cols, rows)
  entries = state[:db].activity_log
  buf = +""

  # Title bar
  title = " PYLONITE - Activity Log "
  pad = [(cols - title.length) / 2, 0].max
  buf << "#{REVERSE}#{BOLD}#{' ' * pad}#{title}#{' ' * (cols - pad - title.length)}#{RESET}\n"

  lines = build_log_lines(entries, cols)
  available = rows - 3

  scroll = [state[:log_scroll], [lines.length - available, 0].max].min
  state[:log_scroll] = scroll

  visible = lines[scroll, available] || []
  visible.each { |line| buf << "#{line}\n" }

  remaining = available - visible.length
  remaining.times { buf << "\n" }

  bar_text = " b:back  q:quit  j/k:scroll  ?:help"
  buf << "\e[#{rows};1H"
  buf << "#{REVERSE}#{DIM}#{bar_text.ljust(cols)}#{RESET}"

  buf
end

.render_move_overlay(state, cols, rows) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 505

def self.render_move_overlay(state, cols, rows)
  task = state[:db].get_task(state[:move_task_id])
  title = task ? truncate(task["title"], 30) : "?"
  current = task ? task["board"] : "?"
  lines = [
    "#{BOLD}Move task ##{state[:move_task_id]}#{RESET} #{DIM}#{title}#{RESET}",
    "#{DIM}Currently: #{board_label(current)}#{RESET}",
    "",
    "  #{BOARD_COLORS["backlog"]}1#{RESET}  Backlog",
    "  #{BOARD_COLORS["todo"]}2#{RESET}  Todo",
    "  #{BOARD_COLORS["in_progress"]}3#{RESET}  In Progress",
    "  #{BOARD_COLORS["done"]}4#{RESET}  Done",
    "  #{BOARD_COLORS["archived"]}5#{RESET}  Archived",
    "",
    "#{DIM}Press 1-5 to move, any other key to cancel#{RESET}"
  ]
  render_overlay(lines, cols, rows)
end

.render_overlay(lines, cols, rows) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 445

def self.render_overlay(lines, cols, rows)
  box_width = lines.map { |l| l.gsub(/\e\[[0-9;]*m/, "").length }.max + 4
  box_width = [box_width, cols - 4].min
  box_height = lines.length + 2
  start_col = [(cols - box_width) / 2, 1].max
  start_row = [(rows - box_height) / 2, 1].max

  buf = +""
  buf << "\e[#{start_row};#{start_col}H"
  buf << "#{REVERSE}#{' ' * box_width}#{RESET}"
  lines.each_with_index do |line, i|
    buf << "\e[#{start_row + 1 + i};#{start_col}H"
    stripped = line.gsub(/\e\[[0-9;]*m/, "")
    padding = box_width - stripped.length - 4
    buf << "#{REVERSE}  #{RESET} #{line}#{' ' * [padding, 0].max} #{REVERSE} #{RESET}"
  end
  buf << "\e[#{start_row + box_height - 1};#{start_col}H"
  buf << "#{REVERSE}#{' ' * box_width}#{RESET}"
  buf
end

.restore_terminal ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 55

def self.restore_terminal
  print "\e[?1049l"    # restore screen buffer
  print "\e[?25h"      # show cursor
  $stdout.flush
end

.run(project_path = Dir.pwd) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 18

def self.run(project_path = Dir.pwd)
  db = Database.new(project_path)
  state = {
    db: db,
    view: :board,
    col_index: 0,
    row_index: 0,
    show_archived: false,
    detail_task_id: nil,
    detail_scroll: 0,
    show_help: false,
    moving: false,
    move_task_id: nil,
    log_scroll: 0
  }

  setup_terminal
  trap("WINCH") { render(state) }

  begin
    render(state)
    loop do
      break unless handle_input(state)
      render(state)
    end
  ensure
    restore_terminal
    db.close
  end
end

.setup_terminal ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 49

def self.setup_terminal
  print "\e[?25l"      # hide cursor
  print "\e[?1049h"    # alternate screen buffer
  $stdout.flush
end

.terminal_size ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 281

def self.terminal_size
  IO.console.winsize.reverse
rescue
  [80, 24]
end

.truncate(str, max) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 607

def self.truncate(str, max)
  return str if str.length <= max
  return str[0, max] if max <= 3
  str[0, max - 3] + "..."
end

.visible_boards(state) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 244

def self.visible_boards(state)
  if state[:show_archived]
    Database::BOARDS.dup
  else
    Database::BOARDS.reject { |b| b == "archived" }
  end
end

.wrap_text(text, width) ⇒ Object 



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# File 'lib/pylonite/tui.rb', line 613

def self.wrap_text(text, width)
  return [""] if text.nil? || text.empty?
  text.split("\n").flat_map do |paragraph|
    if paragraph.empty?
      [""]
    else
      words = paragraph.split
      lines = []
      current = +""
      words.each do |word|
        if current.empty?
          current = word
        elsif current.length + 1 + word.length <= width
          current << " " << word
        else
          lines << current
          current = +word
        end
      end
      lines << current unless current.empty?
      lines.empty? ? [""] : lines
    end
  end
end