#!/usr/bin/env ruby
# wxRuby2 Sample Code. Copyright (c) 2004-2008 wxRuby development team
# Freely reusable code: see SAMPLES-LICENSE.TXT for details
begin
  require 'rubygems' 
rescue LoadError
end
require 'wx'

# Basic Frame Class. This creates the dialog window
#
class SimpleFrame < Wx::Frame 

  FILE_DIALOG, FILE_ABOUT, FILE_QUIT = [0,Wx::ID_ABOUT,Wx::ID_EXIT]
  
  def initialize(parent)
    # To load a layout defined in XRC into a Ruby subclass of Frame,
    # first call the empty constructor. All the details of size,
    # title, position and so on are loaded from the XRC by the call to 
    # load_frame_subclass. Using a non-empty constructor will cause
    # errors on GTK.
    super()
    $xml.load_frame_subclass(self,nil,'ID_FRAME')
    
    # Create a new menu
    bar = Wx::MenuBar.new
    menu = Wx::Menu.new
    menu.append(FILE_ABOUT,"About...")
    menu.append_separator
    menu.append(FILE_QUIT,"Quit")
    bar.append(menu,"File")
    
    set_menu_bar(bar)
    
    # Assign the menu events
    evt_menu(FILE_ABOUT) do
      Wx::message_box("wxRuby Listbook sample\nby Sean Long", "About Listbook", Wx::OK | Wx::ICON_INFORMATION, self)
    end    
    evt_menu(FILE_QUIT) do
      Wx::get_app.exit_main_loop()
    end
    evt_close() do
      Wx::get_app.exit_main_loop()
    end

    # Variables not in tabs
    @listbook    = xrcid_to_window('ID_LISTBOOK')
    @text_output = xrcid_to_window('ID_ORDER_TEXTCTRL')
    
    # Variables for widgets in Pizza tab
    @pizza_size   = xrcid_to_window('ID_PIZZA_SIZE_CHOICE')
    @pizza_crust  = xrcid_to_window('ID_PIZZA_CRUST_CHOICE')
    @pizza_sauce  = xrcid_to_window('ID_PIZZA_SAUCE_CHOICE')
    @pizza_cheese = xrcid_to_window('ID_PIZZA_CHEESE_CHOICE')
    @pizza_toppings = []
    3.times do |i|
      @pizza_toppings << xrcid_to_window("ID_PIZZA_TOPPING_#{i+1}_CHOICE")
    end

    # fill in toppings
    toppings = ['pepperoni','sausage','italian sausage','olives',
                'mushrooms','artichoke','extra cheese','']
    toppings.each do |top_name|
      @pizza_toppings.each do |top_obj|
        top_obj.append(top_name)
      end      
    end

    index = 0
    @pizza_toppings.each do |obj|
      obj.set_selection(index)
      index += 1
    end
    
    # Events for pizza tab
    evt_button( Wx::xrcid('ID_PIZZA_BUTTON') ) do |event|
      #get selections and add to order
      order_string = @text_output.get_value
      if order_string != "" then order_string << "\n" end
      order_string << "One #{@pizza_size.get_string_selection} pizza with:\n"      
      order_string << @pizza_crust.get_string_selection + " crust" + "\n"
      order_string << @pizza_sauce.get_string_selection + " sauce" +"\n"
      order_string << @pizza_cheese.get_string_selection + " and" + "\n"
      @pizza_toppings.each { |obj| order_string << obj.get_string_selection + "\n" }

      @text_output.set_value(order_string)
    end
    

    # Variables for widgets in Drink tab
    @drink_size = xrcid_to_window('ID_DRINK_SIZE_CHOICE')
    @drink_type = xrcid_to_window('ID_DRINK_TYPE_CHOICE')
    
    # Events for drink tab
    evt_button(Wx::xrcid('ID_DRINK_BUTTON')) do |event|
      #get selections and add to order
      order_string = @text_output.get_value
      if order_string != "" then order_string << "\n" end
      
      order_string << "One #{@drink_size.get_string_selection} #{@drink_type.get_string_selection }.\n"      

      @text_output.set_value(order_string)
    end    
    
    # Variables for widgets in Ice Cream tab
    @ice_cream_size = xrcid_to_window('ID_ICE_CREAM_SIZE_CHOICE')
    @ice_cream_type = xrcid_to_window('ID_ICE_CREAM_TYPE_CHOICE')
    @ice_cream_toppings = []
    4.times do |i|
      @ice_cream_toppings << 
        xrcid_to_window("ID_ICE_CREAM_TOPPING_#{i+1}_CHOICE")
    end    

    toppings = ['','m&m\'s','chocolate chips','fudge','nuts','cherry','whip cream'] 
    toppings.each do |top_name|
      @ice_cream_toppings.each do |top_obj|
        top_obj.append(top_name)
      end      
    end    
    @ice_cream_toppings.each { |obj| obj.set_selection(0) } 
    
    # Events for ice cream tab
    evt_button(Wx::xrcid('ID_ICE_CREAM_BUTTON')) do |event|
      #get selections and add to order
      order_string = @text_output.get_value
      if order_string != "" then order_string << "\n" end
      
      order_string << "One #{@ice_cream_size.get_string_selection} #{@ice_cream_type.get_string_selection} ice cream:\n"      
      @ice_cream_toppings.each { |obj| order_string << obj.get_string_selection + "\n" }

      @text_output.set_value(order_string)
    end       
    
    evt_listbook_page_changed(Wx::xrcid('ID_LISTBOOK')) do |event|
      tab_number = event.get_selection
      order_string = @text_output.get_value
      order_string << "moved to tab = #{@listbook.get_page_text(tab_number)} \n"
      @text_output.set_value(order_string)
    end
  end

  # Converts a XRCID id - as used in wxWidget's XML format - into the
  # correct ruby window
  def xrcid_to_window(xrc_id) 
    Wx::Window.find_window_by_id(Wx::xrcid(xrc_id), self)      
  end

end

#
# Application class.
#
class XrcApp < Wx::App

  def on_init
    # Create a resource handler
    $xml = Wx::XmlResource.get();
    $xml.init_all_handlers();

    # Load a resource file from the script's directory
    xrc_file = File.join( File.dirname( __FILE__ ), 'listbook.xrc' )

    $xml.load(xrc_file)	


    # Show the main frame.
    $main = SimpleFrame.new(self)
    $main.show(true)
    
  end
end


XrcApp.new().main_loop()