#encoding:utf-8
#==============================================================================
# ■ Window_EquipSlot
#------------------------------------------------------------------------------
# 　装备画面中，显示角色当前装备的窗口。
#==============================================================================

class Window_EquipSlot < Window_Selectable
  #--------------------------------------------------------------------------
  # ● 定义实例变量
  #--------------------------------------------------------------------------
  attr_reader   :status_window            # 状态窗口
  attr_reader   :item_window              # 物品窗口
  #--------------------------------------------------------------------------
  # ● 初始化对象
  #--------------------------------------------------------------------------
  def initialize(x, y, width)
    super(x, y, width, window_height)
    @actor = nil
    refresh
  end
  #--------------------------------------------------------------------------
  # ● 获取窗口的高度
  #--------------------------------------------------------------------------
  def window_height
    fitting_height(visible_line_number)
  end
  #--------------------------------------------------------------------------
  # ● 获取显示行数
  #--------------------------------------------------------------------------
  def visible_line_number
    return 5
  end
  #--------------------------------------------------------------------------
  # ● 设置角色
  #--------------------------------------------------------------------------
  def actor=(actor)
    return if @actor == actor
    @actor = actor
    refresh
  end
  #--------------------------------------------------------------------------
  # ● 更新画面
  #--------------------------------------------------------------------------
  def update
    super
    @item_window.slot_id = index if @item_window
  end
  #--------------------------------------------------------------------------
  # ● 获取项目数
  #--------------------------------------------------------------------------
  def item_max
    @actor ? @actor.equip_slots.size : 0
  end
  #--------------------------------------------------------------------------
  # ● 获取物品
  #--------------------------------------------------------------------------
  def item
    @actor ? @actor.equips[index] : nil
  end
  #--------------------------------------------------------------------------
  # ● 绘制项目
  #--------------------------------------------------------------------------
  def draw_item(index)
    return unless @actor
    rect = item_rect_for_text(index)
    change_color(system_color, enable?(index))
    draw_text(rect.x, rect.y, 92, line_height, slot_name(index))
    draw_item_name(@actor.equips[index], rect.x + 92, rect.y, enable?(index))
  end
  #--------------------------------------------------------------------------
  # ● 获取装备栏的名字
  #--------------------------------------------------------------------------
  def slot_name(index)
    @actor ? Vocab::etype(@actor.equip_slots[index]) : ""
  end
  #--------------------------------------------------------------------------
  # ● 查询这个装备栏的装备是否可以替换
  #--------------------------------------------------------------------------
  def enable?(index)
    @actor ? @actor.equip_change_ok?(index) : false
  end
  #--------------------------------------------------------------------------
  # ● 获取选择项目的有效状态
  #--------------------------------------------------------------------------
  def current_item_enabled?
    enable?(index)
  end
  #--------------------------------------------------------------------------
  # ● 设置状态窗口
  #--------------------------------------------------------------------------
  def status_window=(status_window)
    @status_window = status_window
    call_update_help
  end
  #--------------------------------------------------------------------------
  # ● 设置物品窗口
  #--------------------------------------------------------------------------
  def item_window=(item_window)
    @item_window = item_window
    update
  end
  #--------------------------------------------------------------------------
  # ● 更新帮助内容
  #--------------------------------------------------------------------------
  def update_help
    super
    @help_window.set_item(item) if @help_window
    @status_window.set_temp_actor(nil) if @status_window
  end
end