Class: Daigaku::Window

Inherits:
Curses::Window
  • Object
show all
Defined in:
lib/daigaku/window.rb

Constant Summary collapse

COLOR_TEXT = 
Curses::COLOR_YELLOW
COLOR_TEXT_EMPHASIZE = 
Curses::COLOR_CYAN
COLOR_HEADING = 
Curses::COLOR_WHITE
COLOR_RED = 
Curses::COLOR_BLUE
COLOR_GREEN = 
Curses::COLOR_MAGENTA
COLOR_YELLOW = 
Curses::COLOR_RED
BACKGROUND = 
Curses::COLOR_WHITE
FONT = 
Curses::COLOR_BLACK
FONT_HEADING = 
Curses::COLOR_MAGENTA
FONT_EMPHASIZE = 
Curses::COLOR_BLUE
RED = 
Curses::COLOR_RED
GREEN = 
Curses::COLOR_GREEN
YELLOW = 
Curses::COLOR_YELLOW

Instance Method Summary collapse

Constructor Details

#initialize(height = Curses.lines, width = Curses.cols, top = 0, left = 0) ⇒ Window

Returns a new instance of Window.



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# File 'lib/daigaku/window.rb', line 22

def initialize(height = Curses.lines, width = Curses.cols, top = 0, left = 0)
  super(height, width, top, left)
  init_colors
end

Instance Method Details

#clear_line(options = {}) ⇒ Object

clear_line(options = {}) options: [:color, :text_decoration, :start_pos, :end_pos]



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# File 'lib/daigaku/window.rb', line 68

def clear_line(options = {})
  color = options[:color] || COLOR_TEXT
  text_decoration = options[:text_decoration] || Curses::A_NORMAL
  start = options[:start_pos] || 0
  stop = options[:end_pos] || maxx

  x = curx
  setpos(cury, start)
  write((options[:text] || ' ') * (stop - 1), color, text_decoration)
  setpos(cury, x)
  refresh
end

#colored(text, color, text_decoration = Curses::A_NORMAL, options = {}) ⇒ Object 



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# File 'lib/daigaku/window.rb', line 51

def colored(text, color, text_decoration = Curses::A_NORMAL, options = {})
  if options[:full_line]
    clear_line(
      color: color,
      text_decoration: Curses::A_STANDOUT,
      start_pos: 1,
      end_pos: maxx - 2
    )

    prefix = ' '
  end

  write("#{prefix}#{text}", color, text_decoration)
end

#emphasize(text, text_decoration = Curses::A_NORMAL) ⇒ Object 



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# File 'lib/daigaku/window.rb', line 31

def emphasize(text, text_decoration = Curses::A_NORMAL)
  write(text, Window::COLOR_TEXT_EMPHASIZE, text_decoration)
end

#green(text, text_decoration = Curses::A_NORMAL, options = {}) ⇒ Object 



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# File 'lib/daigaku/window.rb', line 47

def green(text, text_decoration = Curses::A_NORMAL, options = {})
  colored(text, Window::COLOR_GREEN, text_decoration, options)
end

#heading(text, text_decoration = Curses::A_UNDERLINE) ⇒ Object 



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# File 'lib/daigaku/window.rb', line 35

def heading(text, text_decoration = Curses::A_UNDERLINE)
  write(text, Window::COLOR_HEADING, text_decoration)
end

#print_indicator(object, text = ' ', text_decoration = Curses::A_STANDOUT) ⇒ Object 



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# File 'lib/daigaku/window.rb', line 81

def print_indicator(object, text = ' ', text_decoration = Curses::A_STANDOUT)
  if object.respond_to?(:mastered?) && object.respond_to?(:started?)
    if object.mastered?
      green(text, text_decoration)
      write ' '
    elsif object.started?
      yellow(text, text_decoration)
      write ' '
    else
      red(text, text_decoration)
      write ' '
    end
  elsif object.respond_to?(:mastered?)
    if object.mastered?
      green(text, text_decoration)
      write ' '
    else
      red(text, text_decoration)
      write ' '
    end
  end
end

#print_markdown(text) ⇒ Object 



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# File 'lib/daigaku/window.rb', line 104

def print_markdown(text)
  clear_line

  h1 = /^\#{1}[^#]+/    # '# heading'
  h2 = /^\#{2}[^#]+/    # '## sub heading'
  bold = /(\*[^*]*\*)/  # '*text*'
  line = /^-{3,}/       # '---' vertical line
  code = /(\`*\`)/      # '`code line`'
  ruby_doc_core = /(\(ruby-doc core:.*\))/ # '(ruby-doc core: Kernel#print)'
  ruby_doc_stdlib = /(\(ruby-doc stdlib:.*\))/ # '(ruby-doc stdlib: CSV#Row::<<)'

  case text
    when h1
      heading(text.gsub(/^#\s?/, ''))
    when h2
      text_decoration = Curses::A_UNDERLINE | Curses::A_NORMAL
      emphasize(text.gsub(/^##\s?/, ''), text_decoration)
    when (code || bold)
      emphasized = false
      highlighted = false

      text.chars.each do |char|
        if char == '*'
          emphasized = !emphasized
          next
        end

        if char == '`'
          highlighted = !highlighted
          next
        end

        if highlighted
          red(char)
        elsif emphasized
          emphasize(char)
        else
          write(char)
        end
      end
    when bold
      text.chars.each do |char|
        if char == '*'
          emphasized = !emphasized
          next
        end

        emphasized ? emphasize(char) : write(char)
      end
    when line
      write('-' * (Curses.cols - 2))
    when ruby_doc_core
      capture = text.match(/\(ruby-doc core:\s?(.*)\)/).captures.first
      write text.gsub(ruby_doc_core, ruby_doc_core_link(capture))
    when ruby_doc_stdlib
      capture = text.match(/\(ruby-doc stdlib:\s?(.*)\)/).captures.first
      write text.gsub(ruby_doc_stdlib, ruby_doc_stdlib_link(capture))
    else
      write(text)
  end
end

#red(text, text_decoration = Curses::A_NORMAL, options = {}) ⇒ Object 



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# File 'lib/daigaku/window.rb', line 39

def red(text, text_decoration = Curses::A_NORMAL, options = {})
  colored(text, Window::COLOR_RED, text_decoration, options)
end

#write(text, color = COLOR_TEXT, text_decoration = Curses::A_NORMAL) ⇒ Object 



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# File 'lib/daigaku/window.rb', line 27

def write(text, color = COLOR_TEXT, text_decoration = Curses::A_NORMAL )
  self.attron(Curses.color_pair(color) | text_decoration) { self << text.to_s }
end

#yellow(text, text_decoration = Curses::A_NORMAL, options = {}) ⇒ Object 



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# File 'lib/daigaku/window.rb', line 43

def yellow(text, text_decoration = Curses::A_NORMAL, options = {})
  colored(text, Window::COLOR_YELLOW, text_decoration, options)
end