using System;
using System.Collections.Generic;
using DevExpress.XtraTab;

namespace Lskj.Model
{
    /// <summary>
    /// Provides the top-level module page lifecycle without coupling module
    /// code to a particular visual tab control. The WPF shell supplies an
    /// implementation backed by DXTabItem instances; the classic WinForms
    /// shell leaves this interface unset and ERPInfo falls back to its real
    /// XtraTabControl/PageControl.
    /// </summary>
    public interface IModulePageHost
    {
        event EventHandler<ModulePageEventArgs> PageAdded;
        event EventHandler<ModulePageEventArgs> PageRemoved;
        event EventHandler<ModulePageEventArgs> PageSelected;

        XtraTabPage SelectedPage { get; }
        IEnumerable<XtraTabPage> Pages { get; }

        void AddPage(XtraTabPage page);
        bool RemovePage(XtraTabPage page);
        bool SelectPage(XtraTabPage page);
        bool ContainsPage(XtraTabPage page);
    }

    public sealed class ModulePageEventArgs : EventArgs
    {
        public ModulePageEventArgs(XtraTabPage page)
        {
            Page = page;
        }

        public XtraTabPage Page { get; private set; }
    }
}