namespace Yw.WinFrmUI
{
    /// <summary>
    /// 页面
    /// </summary>
    public partial class DocumentPage : DevExpress.XtraEditors.XtraUserControl
    {
        /// <summary>
        ///
        /// </summary>
        public DocumentPage()
        {
            InitializeComponent();
            this.PageTitle = new PageTitle();
        }

        /// <summary>
        ///
        /// </summary>
        public DocumentPage(PageGuid pguid) : this()
        {
            this.PageGuid = pguid;
        }

        /// <summary>
        /// 根据字符串判断Document是否存在，
        /// 第一个参数为PageGuid参数类
        /// 第二个参数如果页面存在是否激活页面
        /// 第三个参数 存在则激活并返回TRUE,不存在返回FALSE
        /// </summary>
        public event Func<PageGuid, bool, bool> IsExistPageEvent;

        /// <summary>
        /// 是否存在Page
        /// </summary>
        /// <param name="pguid"></param>
        /// <param name="isActivateDoc"></param>
        /// <returns></returns>
        protected bool IsExistPage(PageGuid pguid, bool isActivateDoc)
        {
            if (this.IsExistPageEvent != null)
            {
                return this.IsExistPageEvent(pguid, isActivateDoc);
            }
            return false;
        }

        /// <summary>
        /// 查找Page
        /// </summary>
        public event Func<PageGuid, bool, DocumentPage> FindPageEvent;

        /// <summary>
        /// 查找Page
        /// </summary>
        /// <param name="sguid"></param>
        /// <param name="isActivateDoc"></param>
        /// <returns></returns>
        protected DocumentPage FindPage(PageGuid sguid, bool isActivateDoc)
        {
            if (this.FindPageEvent != null)
                return this.FindPageEvent(sguid, isActivateDoc);
            return null;
        }

        /// <summary>
        /// 创建Page
        /// </summary>
        public event Func<DocumentPage, PageGuid, bool> CreatePageEvent;

        /// <summary>
        /// 创建Page
        /// </summary>
        /// <param name="page"></param>
        /// <param name="sguid"></param>
        /// <returns></returns>
        protected bool CreatePage(DocumentPage page, PageGuid sguid)
        {
            if (this.CreatePageEvent != null)
                return CreatePageEvent(page, sguid);
            return false;
        }

        /// <summary>
        /// 更新数据事件
        /// 第一个参数为SurfaceGuid
        /// </summary>
        public event Action<PageGuid> RefreshPageDataEvent;

        /// <summary>
        /// 更新数据事件
        /// </summary>
        /// <param name="sguid"></param>
        protected void RefreshPageData(PageGuid sguid)
        {
            this.RefreshPageDataEvent?.Invoke(sguid);
        }

        /// <summary>
        /// 更新PageTitle事件
        /// </summary>
        public event Action<PageGuid, PageTitle> UpdatePageTitleEvent;

        /// <summary>
        /// 更新PageTitle事件
        /// </summary>
        /// <param name="sguid"></param>
        /// <param name="title"></param>
        protected void UpdatePageTitle(PageGuid sguid, PageTitle title)
        {
            this.UpdatePageTitleEvent?.Invoke(sguid, title);
        }

        /// <summary>
        /// 关闭Page事件
        /// </summary>
        public event Action<PageGuid> ClosePageEvent;

        /// <summary>
        /// 重置所有Page事件
        /// </summary>
        public event Action ResetAllPagesEvent;

        /// <summary>
        /// 关闭page
        /// </summary>
        /// <param name="sguid"></param>
        protected void ClosePage(PageGuid sguid)
        {
            this.ClosePageEvent?.Invoke(sguid);
        }

        /// <summary>
        /// 头部部分
        /// </summary>
        public PageTitle PageTitle { get; set; }

        /// <summary>
        /// 自身标识
        /// </summary>
        public PageGuid PageGuid { get; set; }

        /// <summary>
        /// 初始化数据
        /// </summary>
        public virtual void InitialDataSource()
        {
        }

        /// <summary>
        /// 权限验证
        /// </summary>
        public virtual void VerifyAuth()
        {
        }

        /// <summary>
        /// 页面拥有的权限树
        /// </summary>
        public PageAuthHaveTree AuthTree { get; set; }

        protected void ResetAllPages()
        {
            this.ResetAllPagesEvent?.Invoke();
        }

        /// <summary>
        /// 刷新数据
        /// </summary>
        public virtual void RefreshData()
        {
        }

        /// <summary>
        /// 关闭时调用
        /// </summary>
        public virtual void Close()
        {
        }

        /// <summary>
        /// 是否可以关闭
        /// </summary>
        public virtual bool CanClose()
        {
            return true;
        }

        /// <summary>
        /// 是否允许关闭
        /// </summary>
        public virtual bool AllowClose()
        {
            return true;
        }

        /// <summary>
        /// 注册事件
        /// </summary>
        public virtual void RegistEvents()
        {
        }

        /// <summary>
        /// 取消注册事件
        /// </summary>
        public virtual void UnRegistEvents()
        {
        }
    }
}