Class: RubyJard::ScreenManager

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/ruby_jard/screen_manager.rb

Overview

This class acts as a coordinator, in which it combines the data and screen layout template, triggers each screen to draw on the terminal.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(output: RubyJard::Console.output) ⇒ ScreenManager

Returns a new instance of ScreenManager.



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# File 'lib/ruby_jard/screen_manager.rb', line 41

def initialize(output: RubyJard::Console.output)
  @output = output
  @screens = {}
  @started = false
  @updating = false
end

Instance Attribute Details

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/ruby_jard/screen_manager.rb', line 39

def output
  @output
end

#output_storage ⇒ Object (readonly)

Returns the value of attribute output_storage.



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# File 'lib/ruby_jard/screen_manager.rb', line 39

def output_storage
  @output_storage
end

Class Method Details

.instance ⇒ Object 



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# File 'lib/ruby_jard/screen_manager.rb', line 34

def instance
  @instance ||= new
end

Instance Method Details

#click ⇒ Object 



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# File 'lib/ruby_jard/screen_manager.rb', line 113

def click; end

#draw_error(exception, height = 0) ⇒ Object 



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# File 'lib/ruby_jard/screen_manager.rb', line 115

def draw_error(exception, height = 0)
  @output.print RubyJard::Decorators::ColorDecorator::CSI_RESET
  @output.puts '--- Error ---'
  @output.puts "Internal error from Jard. I'm sorry to mess up your debugging experience."
  @output.puts 'It would be great if you can submit an issue in https://github.com/nguyenquangminh0711/ruby_jard/issues'
  @output.puts ''
  @output.puts exception
  if height == 0
    @output.puts exception.backtrace
  else
    @output.puts exception.backtrace.first(10)
  end
  @output.puts '-------------'
  RubyJard.error(exception)
end

#draw_screens ⇒ Object 



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# File 'lib/ruby_jard/screen_manager.rb', line 76

def draw_screens
  start unless started?
  @updating = true

  RubyJard::Console.clear_screen(@output)
  RubyJard::Console.disable_cursor!(@output)
  width, height = RubyJard::Console.screen_size(@output)

  @layouts = calculate_layouts(width, height)
  @screens = build_screens(@layouts)

  RubyJard::Console.move_to(@output, 0, 0)

  draw_box(@screens)
  @screens.each do |screen|
    RubyJard::ScreenDrawer.new(
      output: @output,
      screen: screen,
      color_scheme: pick_color_scheme
    ).draw
  end

  RubyJard::Console.move_to(@output, 0, total_screen_height(@layouts) + 1)
  RubyJard::Console.clear_screen_to_end(@output)
rescue StandardError => e
  RubyJard::Console.clear_screen(@output)
  draw_error(e, height)
ensure
  # You don't want to mess up previous user TTY no matter happens
  RubyJard::Console.cooked!(@output)
  RubyJard::Console.enable_echo!(@output)
  RubyJard::Console.enable_cursor!(@output)
  @updating = false
end

#scroll ⇒ Object 



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# File 'lib/ruby_jard/screen_manager.rb', line 111

def scroll; end

#start ⇒ Object 



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# File 'lib/ruby_jard/screen_manager.rb', line 48

def start
  return if started?

  # Load configurations
  RubyJard.config
  RubyJard::Console.clear_screen(@output)

  @started = true
end

#started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby_jard/screen_manager.rb', line 58

def started?
  @started == true
end

#stop ⇒ Object 



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# File 'lib/ruby_jard/screen_manager.rb', line 66

def stop
  return unless started?

  @started = false

  RubyJard::Console.cooked!(@output)
  RubyJard::Console.enable_echo!(@output)
  RubyJard::Console.enable_cursor!(@output)
end

#updating? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby_jard/screen_manager.rb', line 62

def updating?
  @updating == true
end