.gladiator-scratchpad

require 'glimmer-dsl-swt'

include Glimmer

class Person
  class << self
    def default_greeting=(greeting)
      @@default_greeting = greeting
    end
    
    def default_greeting
      @@default_greeting
    end
  end
  
  def initialize(last_name)
    @last_name = last_name
  end

  def last_name
    @last_name
  end
end

people = []

shell { |window|
  text "Glimmer"
  row_layout(:vertical) {
    fill true
  }

  label {
    text "What is the default greeting?"
  }

  @default_greeting_combo = combo(:read_only) {
    items ['Hello', 'Hi', 'Howdy', 'Aloha', "What's Up"]
    text 'Hello'
    
    on_widget_selected do
      Person.default_greeting = @default_greeting_combo.text
    end
  }

  label {
    text "What is your last name?"
  }

  @last_name_text = text {
  }

  button {
    text 'Add'

    on_widget_selected do
      people << Person.new(@last_name_text.text)
      @last_names_label.text = "#{@last_names_label.text}\n#{@last_name_text.text}"
      @last_name_text.text = ''
      window.pack # resize window to fit new content
    end
  }

  @last_names_label = label {
  }

  button {
    text 'Greet'

    on_widget_selected do
      @greeting_label.text = people.map do |person|
        "#{Person.default_greeting}, #{person.last_name}!"
      end.join("\n")
      
      window.pack
    end
  }

  @greeting_label = label {
  }
}.open