Scene_Item VX Ace phong cách XP

#==============================================================================
# ** Scene_Item
#------------------------------------------------------------------------------
#  This class performs the item screen processing.
#==============================================================================

class Scene_Item < Scene_ItemBase
  #--------------------------------------------------------------------------
  # * Start Processing
  #--------------------------------------------------------------------------
  def start
    super
    create_help_window
    #create_category_window
    create_item_window
  end
  #--------------------------------------------------------------------------
  # * Create Category Window
  #--------------------------------------------------------------------------
  def create_category_window
    @category_window = Window_ItemCategory.new
    @category_window.viewport = @viewport
    @category_window.help_window = @help_window
    @category_window.y = @help_window.height
    @category_window.set_handler(:ok,     method(:on_category_ok))
    @category_window.set_handler(:cancel, method(:return_scene))
  end
  #--------------------------------------------------------------------------
  # * Create Item Window
  #--------------------------------------------------------------------------
  def create_item_window
    wy = @help_window.height # @category_window.y + @category_window.height
    wh = Graphics.height - wy
    @item_window = Window_ItemList.new(0, wy, Graphics.width, wh)
    @item_window.viewport = @viewport
    @item_window.help_window = @help_window
    @item_window.set_handler(:ok,     method(:on_item_ok))
    @item_window.set_handler(:cancel, method(:return_scene))#method(:on_item_cancel))
    #@category_window.item_window = @item_window
    @item_window.activate
    @item_window.select_last
  end
  #--------------------------------------------------------------------------
  # * Category [OK]
  #--------------------------------------------------------------------------
  def on_category_ok
    @item_window.activate
    @item_window.select_last
  end
  #--------------------------------------------------------------------------
  # * Item [OK]
  #--------------------------------------------------------------------------
  def on_item_ok
    $game_party.last_item.object = item
    determine_item
  end
  #--------------------------------------------------------------------------
  # * Item [Cancel]
  #--------------------------------------------------------------------------
  def on_item_cancel
    @item_window.unselect
    @category_window.activate
  end
  #--------------------------------------------------------------------------
  # * Play SE When Using Item
  #--------------------------------------------------------------------------
  def play_se_for_item
    Sound.play_use_item
  end
  #--------------------------------------------------------------------------
  # * Use Item
  #--------------------------------------------------------------------------
  def use_item
    super
    @item_window.redraw_current_item
  end
end