#pragma once

class QUndoCommand;
#include "ZxPolicy.h"

/// 策略：删除图件
class I_PLOTBASE_EXPORT ZxDeletePolicy : public ZxPolicy
{
    Q_OBJECT

public:

    ZxDeletePolicy();

public slots:

    /// 菜单和键盘都挂接到此slot, 它负责调用onConfirm()和onDeleteItem(). 一般无需重载
    virtual void slotDeleteItem();

protected:

    /// 生成命令、压栈, 并清除policy防止再次进入. 重载此函数可做特殊处理
    virtual void onDeleteItem();

    /// 键盘处理, 默认只响应DEL键, 一般无需重载.
    virtual void onKeyPress(QKeyEvent* event);

};