Class: Pra::CursesWindowSystem

Inherits:
WindowSystem show all
Defined in:
lib/pra/curses_window_system.rb

Constant Summary collapse

ENTER_KEY = 
10
ESC_KEY = 
27
BACKSPACE_KEY = 
127

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CursesWindowSystem

Returns a new instance of CursesWindowSystem.



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# File 'lib/pra/curses_window_system.rb', line 14

def initialize
  @selected_pull_request_page_index = 0
  @current_page = 1
  @current_pull_requests = []
  @previous_number_of_pull_requests = 0
  @last_updated = nil
  @state_lock = Mutex.new
  @last_updated_access_lock = Mutex.new
  @force_update = true
  @force_update_access_lock = Mutex.new
  @filter_mode = false
  @filter_string = ""
end

Instance Method Details

#fetch_failed ⇒ Object 



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# File 'lib/pra/curses_window_system.rb', line 62

def fetch_failed
  output_string(4, 0, "Failed to fetch pull requests on 1 or more pull sources. Check #{Pra::Config.log_path} for details.")
end

#fetching_pull_requests ⇒ Object 



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# File 'lib/pra/curses_window_system.rb', line 56

def fetching_pull_requests
  output_string(3, 0, "Fetching pull requests...")
  Curses.setpos(4,0)
  Curses.clrtoeol
end

#force_refresh ⇒ Object 



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# File 'lib/pra/curses_window_system.rb', line 36

def force_refresh
  do_force_update = false
  @force_update_access_lock.synchronize {
    do_force_update = @force_update
  }
  do_force_update
end

#force_refresh=(force_update) ⇒ Object 



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# File 'lib/pra/curses_window_system.rb', line 44

def force_refresh=(force_update)
  @force_update_access_lock.synchronize {
    @force_update = force_update
  }
end

#last_updated ⇒ Object 



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# File 'lib/pra/curses_window_system.rb', line 28

def last_updated
  current_last_updated = nil
  @last_updated_access_lock.synchronize {
    current_last_updated = @last_updated.dup
  }
  current_last_updated
end

#refresh_pull_requests(pull_requests) ⇒ Object 



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# File 'lib/pra/curses_window_system.rb', line 66

def refresh_pull_requests(pull_requests)
  @previous_number_of_pull_requests = @current_pull_requests.length

  @state_lock.synchronize {
    @current_pull_requests = pull_requests.dup
    @last_updated = Time.now
  }
  draw_current_pull_requests
end

#run_loop ⇒ Object 



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# File 'lib/pra/curses_window_system.rb', line 76

def run_loop
  c = Curses.getch()
  while (c != 'q') do
    if @filter_mode
      case c
      when ESC_KEY
        @filter_mode = false
        @filter_string = ""
        Curses.setpos(5, 0)
        Curses.clrtoeol
        @current_pull_requests = @original_pull_requests.dup
        @original_pull_requests = nil
        draw_current_pull_requests
      when ENTER_KEY
        @filter_mode = false
        @filter_string = ""
      when "\b", BACKSPACE_KEY, Curses::KEY_BACKSPACE
        @filter_string.chop!
        output_string(5, 0, "Filter: #{@filter_string}")
        clear_pull_requests
        filter_current_pull_requests(@filter_string)
      when String
        @filter_string += c
        output_string(5, 0, "Filter: #{@filter_string}")
        clear_pull_requests
        filter_current_pull_requests(@filter_string)
      end
    else
      case c
      when 'j', Curses::Key::DOWN
        move_selection_down
        draw_current_pull_requests
      when 'k', Curses::Key::UP
        move_selection_up
        draw_current_pull_requests
      when 'r'
        @force_update = true
        Curses.setpos(5, 0)
        Curses.clrtoeol
      when 'o', ENTER_KEY
        @state_lock.synchronize {
          Launchy.open(@current_pull_requests[selected_pull_request_loc].link)
        }
      when 'n'
        load_next_page
      when 'p'
        load_prev_page
      when '/'
        @filter_mode = true
        @original_pull_requests = @current_pull_requests.dup
        output_string(5, 0, "Filter: #{@filter_string}")
      end
    end
    c = Curses.getch()
  end

  Curses.close_screen
end

#setup ⇒ Object 



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# File 'lib/pra/curses_window_system.rb', line 50

def setup
  initialize_screen_settings
  display_instructions
  output_string(3, 0, "0 Pull Requests")
end