Class: RubyRich::Dialog

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby_rich/dialog.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(title: "", content: "", width: 48, height: 8, buttons: [:ok]) ⇒ Dialog

Returns a new instance of Dialog.



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# File 'lib/ruby_rich/dialog.rb', line 6

def initialize(title: "", content: "", width: 48, height: 8, buttons: [:ok])
  @width = width
  @height = height
  terminal_width = `tput cols`.to_i
  terminal_height = `tput lines`.to_i
  @event_listeners = {}
  @layout = RubyRich::Layout.new(name: :title, width: width, height: height)
  @panel = RubyRich::Panel.new("", title: title, border_style: :white)
  @layout.update_content(@panel)
  @layout.calculate_dimensions(terminal_width, terminal_height)
  @button_str = build_button(buttons)
  @panel.content = "  \n  \n#{content}"+AnsiCode.reset+"\n \n \n" + " "*((@panel.inner_width - @button_str.display_width)/2) + @button_str
end

Instance Attribute Details

#buttons ⇒ Object

Returns the value of attribute buttons.



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# File 'lib/ruby_rich/dialog.rb', line 3

def buttons
  @buttons
end

#content ⇒ Object

Returns the value of attribute content.



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# File 'lib/ruby_rich/dialog.rb', line 3

def content
  @content
end

#height ⇒ Object

Returns the value of attribute height.



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# File 'lib/ruby_rich/dialog.rb', line 4

def height
  @height
end

#live ⇒ Object

Returns the value of attribute live.



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# File 'lib/ruby_rich/dialog.rb', line 3

def live
  @live
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/ruby_rich/dialog.rb', line 3

def title
  @title
end

#width ⇒ Object

Returns the value of attribute width.



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# File 'lib/ruby_rich/dialog.rb', line 4

def width
  @width
end

Instance Method Details

#build_button(buttons) ⇒ Object 



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# File 'lib/ruby_rich/dialog.rb', line 24

def build_button(buttons)
  str = ""
  buttons.each do |btn|        
    case btn
    when :ok
      str += "    "+AnsiCode.color(:blue) + "OK(enter)"+ AnsiCode.reset
    when :cancel
      str += "    "+AnsiCode.color(:red) + "Cancel(esc)"+ AnsiCode.reset
    end
  end
  str.strip
end

#key(event_name, priority = 0, &block) ⇒ Object 



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# File 'lib/ruby_rich/dialog.rb', line 41

def key(event_name, priority = 0, &block)
  unless @event_listeners[event_name]
    @event_listeners[event_name] = []
  end
  @event_listeners[event_name] << { priority: priority, block: block }
  @event_listeners[event_name].sort_by! { |l| -l[:priority] } # Higher priority first
end

#notify_listeners(event_data) ⇒ Object 



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# File 'lib/ruby_rich/dialog.rb', line 55

def notify_listeners(event_data)
  event_name = event_data[:name]
  result = nil
  if @event_listeners[event_name]
    @event_listeners[event_name].each do |listener|
      result = listener[:block].call(event_data, @live)
    end
    return result
  end
end

#on(event_name, &block) ⇒ Object 



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# File 'lib/ruby_rich/dialog.rb', line 49

def on(event_name, &block)
  if event_name==:close
    @event_listeners[event_name] = [{block: block}]
  end
end

#render_to_buffer ⇒ Object 



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# File 'lib/ruby_rich/dialog.rb', line 37

def render_to_buffer
  @layout.render_to_buffer
end