#region

using System;
using System.Drawing;
using System.Windows.Forms;
using CSFrameworkV5.Common;
using CSFrameworkV5.Core;
using DevExpress.Utils;
using DevExpress.XtraBars;
using DevExpress.XtraBars.Ribbon;
using DevExpress.XtraEditors;

#endregion

//new 20200202
namespace CSFrameworkV5.Library.CommonClass
{
    /// <summary>
    ///     Ribbon样式的模块展示加载器
    /// </summary>
    public class RibbonModuleLoader
    {
        private ImageCollection _ilModule32;
        private ModuleManager _ModuleManager;
        private RibbonControl _Ribbon;

        /// <summary>
        ///     构造器
        /// </summary>
        /// <param name="moduleManager">模块加载器</param>
        /// <param name="ribbon">主界面的Ribbon组件实例</param>
        /// <param name="ilModule32">主界面的模块图标</param>
        public RibbonModuleLoader(ModuleManager moduleManager,
            RibbonControl ribbon, ImageCollection ilModule32)
        {
            _ModuleManager = moduleManager;
            _Ribbon = ribbon;
            _ilModule32 = ilModule32;
        }

        /// <summary>
        ///     BarButtonItem的点击事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btn_ItemClick(object sender, ItemClickEventArgs e)
        {
            if (e.Item.Tag != null && e.Item.Tag is ToolStripItem)
            {
                var menu = e.Item.Tag as ToolStripItem;
                menu.PerformClick();
            }
        }

        /// <summary>
        ///     创建BarButtonItem实例
        /// </summary>
        /// <param name="item"></param>
        /// <returns></returns>
        private BarButtonItem CreateRibbonButtonItem(ToolStripItem item)
        {
            var btn = new BarButtonItem();
            btn.Name = item.Name;
            btn.Caption = item.Text;
            btn.ItemClick += Btn_ItemClick;
            btn.Tag = item;
            btn.Glyph = GetButtonImage(item.Name); //按钮图片
            _Ribbon.Items.Add(btn);
            return btn;
        }

        /// <summary>
        ///     创建Ribbon样式的模块展示区
        /// </summary>
        /// <param name="moduleMainMenu">系统菜单</param>
        public void CreateRibbonButtons(MenuStrip moduleMainMenu)
        {
            _Ribbon.SelectedPageChanging += Ribbon_SelectedPageChanging;

            foreach (ToolStripMenuItem moduleTopMenu in moduleMainMenu.Items)
            {
                if (!moduleTopMenu.Enabled) continue; //顶级菜单荐是禁用状态表示无权限，不创建

                //模块主菜单名称(一级菜单对应模块)
                var pageModule = new RibbonPage();
                pageModule.Text = moduleTopMenu.Text;
                pageModule.Image =
                    _ilModule32.Images[
                        moduleMainMenu.Items.IndexOf(moduleTopMenu)]; //图标顺序
                pageModule.Tag = moduleTopMenu; //关联菜单标记 
                _Ribbon.Pages.Add(pageModule);

                //增加组--红圈容器
                var group = new RibbonPageGroup();
                pageModule.Groups.Add(group);

                //递归加载
                foreach (ToolStripItem item in moduleTopMenu.DropDownItems)
                {
                    if (item is ToolStripSeparator) continue; //分隔符菜单项，不加载

                    if (!item.Enabled) continue; //菜单是禁止使用状态，无权限，不加载

                    if (moduleTopMenu.Text == "常用功能" &&
                        !HasModuleButton(item.Name)) continue; //常用功能特殊处理

                    //有2级菜单
                    if (item is ToolStripMenuItem &&
                        (item as ToolStripMenuItem).DropDownItems.Count > 0)
                    {
                        //创建2级菜单
                        var barListItem1 = new BarLinkContainerItem();
                        barListItem1.Name = item.Name;
                        barListItem1.Caption = item.Text;
                        group.ItemLinks.Add(barListItem1);

                        LoadRibbonSubItems(_Ribbon, barListItem1,
                            item as ToolStripMenuItem);
                    }
                    else //普通菜单
                    {
                        var btn = CreateRibbonButtonItem(item);
                        group.ItemLinks.Add(btn);
                    }
                }
            }
        }

        /// <summary>
        ///     获取常用功能的按钮图片
        /// </summary>
        /// <param name="menuName">功能菜单名称</param>
        /// <returns></returns>
        private Image GetButtonImage(string menuName)
        {
            //获取按钮实例
            var ctl = (MdiTools.MainForm as IMdiForm)
                .GetModuleMainFormButtonByMenuName("",
                    menuName.Replace("_SHORTCUT_", ""));
            if (ctl != null) return (ctl as SimpleButton).Image;

            return null;
        }

        /// <summary>
        ///     获取常用功能的按钮实例（null表示常用功能无效链接）
        /// </summary>
        /// <param name="menuName">功能菜单名称</param>
        /// <returns></returns>
        private bool HasModuleButton(string menuName)
        {
            //获取按钮实例
            var ctl = (MdiTools.MainForm as IMdiForm)
                .GetModuleMainFormButtonByMenuName("",
                    menuName.Replace("_SHORTCUT_", ""));
            return ctl != null;
        }

        /// <summary>
        ///     递归生成BarButtonItem
        /// </summary>
        /// <param name="ribbon"></param>
        /// <param name="itemOwner"></param>
        /// <param name="menuItem"></param>
        private void LoadRibbonSubItems(RibbonControl ribbon,
            BarLinkContainerItem itemOwner,
            ToolStripMenuItem menuItem)
        {
            foreach (ToolStripItem item in menuItem.DropDownItems)
            {
                if (item is ToolStripSeparator) continue;

                if (!item.Enabled) continue; //菜单是禁止使用状态，无权限

                if (item is ToolStripMenuItem &&
                    (item as ToolStripMenuItem).DropDownItems.Count > 0)
                {
                    //创建2级菜单
                    var barListItem1 = new BarLinkContainerItem();
                    barListItem1.Name = item.Name;
                    barListItem1.Caption = item.Text;
                    itemOwner.ItemLinks.Add(barListItem1);

                    LoadRibbonSubItems(ribbon, barListItem1,
                        item as ToolStripMenuItem);
                }
                else
                {
                    var btn = CreateRibbonButtonItem(item);
                    itemOwner.ItemLinks.Add(btn);
                }
            }
        }

        /// <summary>
        ///     激活当前模块
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Ribbon_SelectedPageChanging(object sender,
            RibbonPageChangingEventArgs e)
        {
            try
            {
                var menu = (ToolStripItem)e.Page.Tag; //模块的主菜单
                if (menu != null)
                    _ModuleManager.ActiveModule(menu.Text,
                        menu.Name); //激活显示模块                   
            }
            catch (Exception ex)
            {
                Msg.ShowException(ex);
            }
        }
    }
}