using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Design;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Web.Caching;
using System.Windows.Forms;
using BrightIdeasSoftware;
using GeoSigmaDrawLib;
using SigmaDrawerElement;
using UCDraw;
using UCDraw.Editor;

namespace SymbolLibManager
{
    public partial class frmMarkEditor : DialogUIEditorFrom<string>
    {
        private MarkLibrary _library = new MarkLibrary();
        private List<MarkItem> miList = null;
        private string symbolFile = string.Empty;
        private GeoSigmaXY geoFile = null;
        private GeoSigmaXY geoCurrent = null;
        private IntPtr doc = IntPtr.Zero;        
        private IntPtr docSymbol = IntPtr.Zero;
        private RangeGetter drawerRangeGetter;
        private string markName = string.Empty;
        private bool createFlag = false;
        private string path = string.Empty;
        private bool isSearch = false;
        private new ListViewItem[] myCache;
        private int firstItem = 0;
        private List<MarkItem> symbolItem = null;
        private IntPtr symbolOriginal = IntPtr.Zero;
        private string symbolFileName;
        private string currentNode = string.Empty;
        private string currentFilePath = string.Empty;
        private Dictionary<SymbolTreeNode, bool> nodeIsParent = null;

        // 记录前一项从缓存中删除，避免符号列表显示的图标错误
        private string prevSymbolInList = string.Empty;
        private Drawer mainDrawer = null;
        private string symbolFileDir = string.Empty;
        private string symbolName = string.Empty;
        private int copyCount = 0;
        private string[] arrPath;
        private string[] arrPathBak;
        private string fileName = string.Empty;
        private int lvIndex = 0;
        private string lvText = string.Empty;
        private List<MarkItem> currentMarks;

        public GeoSigmaXY GeoCurrent
        {
            get
            {
                return this.geoCurrent;
            }
            set
            {
                this.geoCurrent = value;
            }
        }

        public Drawer MainDrawer
        {
            get
            {
                return this.mainDrawer;
            }
            set
            {
                this.mainDrawer = value;
            }
        }

        public string CurrentFilePath
        {
            get
            {
                return currentFilePath;
            }
            set
            {
                currentFilePath = value;
            }
        }


        public RangeGetter DrawerRangeGetter
        {
            get
            {
                return drawerRangeGetter;
            }
            set
            {
                drawerRangeGetter = value;
            }
        }

        public frmMarkEditor()
        {
            InitializeComponent();
            lvSymbol.View = View.LargeIcon;
            lvSymbol.VirtualMode = true;
            lvSymbol.VirtualListSize = 500;
            lvSymbol.RetrieveVirtualItem += new RetrieveVirtualItemEventHandler(lvSymbol_RetrieveVirtualItem);
            lvSymbol.CacheVirtualItems += new CacheVirtualItemsEventHandler(lvSymbol_CacheVirtualItems);
            tsTool.Renderer = MyToolStripRenderer.Instance;
            this.viewer.Geo = new GeoSigmaXY();
            drawerRangeGetter = new RangeGetter(this.viewer.Drawer);
            this.viewer.Drawer.DrawerZoomIn += this.viewer.HRuler.Zoom;
            this.viewer.Drawer.DrawerZoomOut += this.viewer.HRuler.Zoom;
            this.viewer.Drawer.DrawerZoomIn += this.viewer.VRuler.Zoom;
            this.viewer.Drawer.DrawerZoomOut += this.viewer.VRuler.Zoom;
            this.viewer.Drawer.ShowAttrInfoChanged += GetElementInfo;
            this.viewer.Drawer.SymbolViewFlag = true;
            this.layerTree.LayerActiveEvent += GetLayer;
            var config = new Config();
            config.WriteString("Display", "ZoomMode", "1");
            foreach (var item in this.layerTree.Controls)
            {
                Control control = (Control)item;
                if (control.Name == "toolStrip1")
                {
                    ToolStrip tsControl = (ToolStrip)control;
                    tsControl.Items[8].Visible = false;
                }
            }

            var symbolFilePath = Directory.GetParent(Application.StartupPath);
            symbolFileName = symbolFilePath.FullName;
            currentMarks = new List<MarkItem>();
            //geoSymbol = new GeoSigma();
            //geoSymbol.SetHWND(this.Handle);
        }

        public void GetLayer(string layerName)
        {
            pnlProperty.LayerName = layerName;
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            layerTree.ResetLayers("");
            var pathList = new StringBuilder(65535);
            GeoSigmaXY.LoadSymbolTree(pathList);
            arrPath = pathList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
            arrPathBak = pathList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
            int index = 0;
            var treeNodeList = new List<SymbolTreeNode>();
            nodeIsParent = new Dictionary<SymbolTreeNode, bool>();
            foreach (var item in arrPath)
            {
                var symbolNode = new SymbolTreeNode();
                index = item.IndexOf("\\");
                if (index > -1)
                {
                    symbolNode.Name = item.Substring(0, index);
                    //currIndex = item.IndexOf(item.Substring(0, index));
                    symbolNode.Path = item.Substring(0, index);
                    treeNodeList.Add(symbolNode);
                    nodeIsParent.Add(symbolNode, true);
                }
                else
                {
                    symbolNode.Name = item;
                    symbolNode.Path = item;
                    if (!treeNodeList.Contains(symbolNode))
                    {
                        treeNodeList.Add(symbolNode);
                        nodeIsParent.Add(symbolNode, false);
                    }
                }
            }

            treeNodeList = treeNodeList.GroupBy(p => p.Name).Select(g => g.First()).ToList();
            treeNodeList.Reverse();
            //treeSymbol.Nodes.AddRange(treeNodeList);
            var root = treeSymbol.Nodes.Add("符号文件夹");
            var currentFileNode = new TreeNode();
            currentFileNode.Text = "当前文档符号";
            root.Nodes.Add(currentFileNode);
            LoadTreeNodes(root, treeNodeList);
            root.Expand();
        }

        public void LoadTreeNodes(TreeNode parent, List<SymbolTreeNode> treeNodeList)
        {
            var childNodes = new List<SymbolTreeNode>();
            foreach (var treeNode in treeNodeList)
            {
                var node = new TreeNode();
                if (treeNode.Name == null)
                {
                    return;
                }

                node.Text = treeNode.Name;
                node.ImageIndex = 0;

                parent.Nodes.Add(node);

                for (int i = 0; i < arrPath.Length; i++)
                {
                    if (arrPath[i].IndexOf(node.Text) > -1)
                    {
                        var symbolNode = new SymbolTreeNode();
                        string[] part = arrPath[i].Split('\\');
                        if (part.Length >= 2)
                        {
                            symbolNode.Name = part[1];
                            if (arrPathBak[i].EndsWith(part[1]))
                            {
                                symbolNode.Path = arrPathBak[i];
                            }
                            else
                            {
                                symbolNode.Path = part[0] + "\\" + part[1];
                            }
                        }

                        if (!childNodes.Exists(r => r.Name == symbolNode.Name))
                        {
                            if (symbolNode.Name != null)
                            {
                                if (arrPath[i].IndexOf(node.Text + "\\") > -1)
                                {
                                    childNodes.Add(symbolNode);
                                }
                            }
                        }

                        arrPath[i] = arrPath[i].Replace(node.Text + "\\", "");
                    }
                }

                LoadTreeNodes(node, childNodes);
                childNodes.Clear();
            }
        }

        public string GetTreeNodes(string str)
        {
            if (str.IndexOf("\\") > -1)
            {
                string[] node = str.Split('\\');
                if (node.Length > 0)
                {
                    return node[0];
                }
            }

            return str;
        }
        public bool IsParentNode(SymbolTreeNode node)
        {
            if (nodeIsParent.Keys.Contains(node))
            {
                return nodeIsParent[node];
            }

            return false;
        }

        public string GetParentPath(string selectedNode)
        {
            int arrLen = arrPathBak.Length;
            for (int i = 0; i < arrLen; i++)
            {
                if (arrPathBak[i].IndexOf("\\" + selectedNode) > -1 && arrPathBak[i].EndsWith("\\" + selectedNode))
                {
                    return arrPathBak[i];
                }
            }

            return string.Empty;
        }

        public List<SymbolTreeNode> GetChildren(SymbolTreeNode parent)
        {
            int len = parent.Name.Length - 1;
            var children = new List<SymbolTreeNode>();
            var pathList = new StringBuilder(65535);
            GeoSigmaXY.LoadSymbolTree(pathList);
            var arrPath = pathList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
            foreach (var item in arrPath)
            {
                int m = item.IndexOf(parent.Name + "\\");
                int n = item.IndexOf(parent.Path);
                if (m > -1 && item.IndexOf(parent.Name) > -1)
                {
                    var node = new SymbolTreeNode();
                    if (item.IndexOf("\\") > -1)
                    {
                        string[] pathElem = item.Split('\\');
                        if (m == 0)
                        {
                            if (pathElem.Length >= 2)
                            {
                                node.Name = pathElem[1];
                                node.Path = item;
                            }
                        }
                        else
                        if (pathElem.Length >= 3)
                        {
                            node.Name = pathElem[2];
                            node.Path = item;
                        }
                    }
                    else
                    {
                        node.Name = item;
                        node.Path = item;
                    }

                    if (!children.Contains(node))
                    {
                        if (!children.Contains(node))
                        {
                            children.Add(node);
                            if (item.IndexOf(node + "\\") > -1)
                            {
                                if (!nodeIsParent.ContainsKey(node))
                                {
                                    nodeIsParent.Add(node, true);
                                }
                            }
                            else
                            {
                                if (!nodeIsParent.ContainsKey(node))
                                {
                                    nodeIsParent.Add(node, false);
                                }
                            }
                        }
                    }
                }
                else if (m == -1 && n == 0)
                {
                    return children;
                }
            }

            children = children.GroupBy(p => p.Name).Select(g => g.First()).ToList();
            return children;
        }

        private void GetTreeData(string path, TreeListView node)
        {
            if (!Directory.Exists(path)) return;
            //目录下的文件、文件夹集合
            string[] diArr = System.IO.Directory.GetDirectories(path, "*", System.IO.SearchOption.AllDirectories);
            string[] rootfileArr = System.IO.Directory.GetFiles(path);
            //文件夹递归
            for (int i = 0; i < diArr.Length; i++)
            {
                //增加父节点
                string fileName = Path.GetFileNameWithoutExtension(diArr[i]);
            }
        }

        private void btnOk_Click(object sender, EventArgs e)
        {
            //if (olvSymbol.SelectedObject is MarkItem mi)
            //{
            //    if (mi is LibraryMarkItem lmi && DrawViewer.Current?.GetGeoSigma() is GeoSigma gs)
            //    {
            //        gs.MarkCopyLibraryToDocument(lmi.Id);
            //    }
            //    this.Value = mi.Name;
            //}

            DialogResult = DialogResult.OK;
        }


        private void btnCancel_Click(object sender, EventArgs e)
        {
            DialogResult = DialogResult.Cancel;
            this.Close();
        }

        private void tsbtnSearch_Click(object sender, EventArgs e)
        {
            //lvSymbol.VirtualListSize = 0;
            //for (int j = myCache.Length - 1; j >= 0; j++)
            //{
            //    //myCache[j].Remove();
            //    //if (myCache[j] != null)
            //    //{
            //    myCache[j].ListView.VirtualListSize = 0;
            //    //}
            //}
            imgIndex = 0;
            isSearch = true;
            var text = tstbSearch.Text;
            if (text == string.Empty)
            {
                return;
            }

            _library = MarkLibrary.GetMarkLibrary();
            _library.GenerateNodes();
            //var roots = _library.GetRoots().ToList();
            var list = new List<MarkItem>();
            //int imgIndex = 5000;
            foreach (var node in _library.Nodes.OfType<MarkItemNode>())
            {
                var tmp = node.Marks.Where(r => r.Name.Contains(text)).ToList();
                foreach (var item in tmp)
                {
                    item.Image = item.Image;
                    item.SymbolFilePath = node.Path;
                    item.Index = item.Index;
                }

                var uniqueName = tmp.Distinct();
                if (geoFile == null)
                {
                    return;
                }
                geoFile.RemoveSymbolLibXy();
                if (node is MarkLibraryNode lnode)
                {
                    if (uniqueName.Count() > 0)
                    {
                        MarkLibrary.GenerateLibraryImage(uniqueName, symbolFileDir);
                    }
                }

                list.AddRange(uniqueName);
            }

            // 搜索符号结果列表
            var imglist = new ImageList();
            lvSymbol.View = View.LargeIcon;
            lvSymbol.LargeImageList = imgSymbol;

            foreach (var item in list)
            {
                imgSymbol.Images.Add(item.Name, item.Image);
            }

            int i = 0;
            lvSymbol.Items.Clear();
            ////lvSymbol.VirtualMode = true;           
            //lvSymbol.VirtualListSize = 0;           

            foreach (var item in list)
            {
                lvSymbol.VirtualListSize = list.Count;
                //lvSymbol.Items.Add(item.Name);               
                //lvSymbol.Items[i].ImageIndex = 122;//item.Index//==========================
                lvSymbol.Items[i].Text = item.Name;
                lvSymbol.Items[i].Tag = item.SymbolFilePath;
                i++;
            }
            //foreach (var item in list)
            //{
            //    lvSymbol.Items.Add(item.Name);
            //    lvSymbol.Items[i].ImageIndex = item.Index;
            //    //lvSymbol.Items[i].ImageIndex = i;
            //    lvSymbol.Items[i].Tag = item.SymbolFilePath;
            //    i++;
            //}
        }

        public MarkLibraryNode GetMarkNode(string path)
        {
            var item = new MarkLibraryNode();
            item.Path = path;
            var idList = new StringBuilder(65535);
            var nameList = new StringBuilder(65535);

            if (GeoSigmaXY.MarkLibraryLoopMark(path, idList, nameList))
            {
                var arrId = idList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
                var arrName = nameList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);

                if (arrId.Length == arrName.Length)
                {
                    for (int i = 0; i < arrId.Length; i++)
                    {
                        item.Marks.Add(new DocumentMarkItem()
                        {
                            Name = arrName[i],
                            Id = arrId[i],
                            Index = i  //0904

                        });
                    }
                }
            }

            return item;
        }

        private void GetElementInfo(DrawerElementProperty elementData)
        {
            DrawerElementProperty property = elementData;
            pnlProperty.Viewer = this.viewer;
            pnlProperty.ShowElementProperty(property);
        }

        private void btnZoomIn_Click(object sender, EventArgs e)
        {
            this.ToolZoomIn();
        }

        private void btnZoomOut_Click(object sender, EventArgs e)
        {
            this.ToolZoomOut();
        }

        private void tsbPan_Click(object sender, EventArgs e)
        {
            this.ToolViewPan();
        }

        private void tsbViewWindow_Click(object sender, EventArgs e)
        {
            this.ToolViewWindow();
        }

        private void tsbViewAll_Click(object sender, EventArgs e)
        {
            this.ViewAll();
        }

        private void tsbRedraw_Click(object sender, EventArgs e)
        {
            this.Redraw();
        }

        private void undoButton_Click(object sender, EventArgs e)
        {
            this.viewer.Drawer.Undo();
            this.viewer.Drawer.ReDraw();
        }

        private void redoButton_Click(object sender, EventArgs e)
        {
            this.viewer.Drawer.Redo();
            this.viewer.Drawer.ReDraw();
        }

        private void tsbToolDefault_Click(object sender, EventArgs e)
        {
            this.ToolDefault();
            this.tsbSelect.Checked = false;
            this.CancelDrawHandle();
        }

        private void tsbSelect_Click(object sender, EventArgs e)
        {
            this.ToolSelect();
            this.tsbToolDefault.Checked = false;
            this.CancelDrawHandle();
        }

        private void CancelDrawHandle()
        {
            this.tsbCurveAdd.Checked = false;
            this.drawRectangleButton.Checked = false;
            this.drawEllipseButton.Checked = false;
            this.drawTextButton.Checked = false;
        }

        private void CancelMouseShape()
        {
            this.tsbToolDefault.Checked = false;
            this.tsbSelect.Checked = false;

        }

        private void tsbCurveAdd_Click(object sender, EventArgs e)
        {
            this.ToolAddCurve();
            this.drawRectangleButton.Checked = false;
            this.drawEllipseButton.Checked = false;
            this.drawTextButton.Checked = false;
            this.tsbCircle.Checked = false;//-----------
            this.CancelMouseShape();
        }

        private void drawRectangleButton_Click(object sender, EventArgs e)
        {
            this.ToolRectangle();
            this.tsbCircle.Checked = false;
            this.tsbCurveAdd.Checked = false;
            this.drawEllipseButton.Checked = false;
            this.drawTextButton.Checked = false;
            this.CancelMouseShape();
        }

        private void drawEllipseButton_Click(object sender, EventArgs e)
        {
            this.ToolEllipse();
            this.tsbCircle.Checked = false;
            this.tsbCurveAdd.Checked = false;
            this.drawRectangleButton.Checked = false;
            this.drawTextButton.Checked = false;
            this.CancelMouseShape();
        }

        private void drawTextButton_Click(object sender, EventArgs e)
        {
            this.ToolText();
            this.tsbCurveAdd.Checked = false;
            this.drawRectangleButton.Checked = false;
            this.drawEllipseButton.Checked = false;
            this.CancelMouseShape();
        }

        /// <summary>
        /// 画线工具
        /// </summary>
        public void ToolAddCurve()
        {
            this.viewer.ActiveTool = DrawToolType.Curve;//???????
            //this.viewer.Drawer.ActiveTool = DrawToolType.Curve;
        }

        /// <summary>
        /// 放大工具
        /// </summary>
        public void ToolZoomIn()
        {
            this.viewer.ZoomIn();
        }

        /// <summary>
        /// 缩小
        /// </summary>
        public void ToolZoomOut()
        {
            if (this.viewer.HRuler.Ruler.ScalLen < 0.52)
            {
                this.viewer.Drawer.ZoomOut();
            }
        }

        /// <summary>
        /// 移动
        /// </summary>
        public void ToolViewPan()
        {
            tsbPan.Checked = !tsbPan.Checked;
            if (tsbPan.Checked == true)
            {
                this.viewer.Drawer.SetViewOperationKind(ViewOperationKind.ViewPan);
            }
            else
            {
                this.viewer.Drawer.SetViewOperationKind(ViewOperationKind.Invalid);
            }
            tsbViewWindow.Checked = false; //去掉窗口缩放按钮的选中图标
        }

        /// <summary>
        /// 窗口放大
        /// </summary>
        public void ToolViewWindow()
        {
            tsbViewWindow.Checked = !tsbViewWindow.Checked;
            if (tsbViewWindow.Checked == true)
            {
                viewer.SetViewOperationKind(ViewOperationKind.ViewWindow);
            }
            else
            {
                viewer.SetViewOperationKind(ViewOperationKind.Invalid);
            }
            this.tsbPan.Checked = false; //去掉平移按钮的选中状态         
        }

        public void ViewAll()
        {
            this.viewer.Drawer.ViewAll();
        }

        public void Redraw()
        {
            this.viewer.Drawer.ReDraw();
        }

        /// <summary>
        /// 默认状态
        /// </summary>
        public void ToolDefault()
        {
            this.viewer.ActiveTool = DrawToolType.Default;
        }

        /// <summary>
        /// 选择工具
        /// </summary>
        public void ToolSelect()
        {
            this.viewer.ActiveTool = DrawToolType.Select;
        }

        /// <summary>
        /// 矩形绘制工具
        /// </summary>
        public void ToolRectangle()
        {
            this.viewer.ActiveTool = DrawToolType.Rectangle;
        }

        /// <summary>
        /// 椭圆工具
        /// </summary>
        public void ToolEllipse()
        {
            this.viewer.ActiveTool = DrawToolType.Ellipse;
        }

        /// <summary>
        /// 文本绘制工具
        /// </summary>
        public void ToolText()
        {
            this.viewer.ActiveTool = DrawToolType.Text;
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);
            if (geoFile == null)
            {
                this.viewer.Drawer.Geo = new GeoSigmaXY();
                InitRuler();
            }
            else
            {
                this.viewer.Drawer.Geo = geoFile;
            }

            Graphics g = e.Graphics;
            Rectangle canvasRect = ClientRectangle;
            canvasRect.Width -= Height; //即减去offset          
            canvasRect.Width -= Height; //即减去offset          
        }

        protected void InitRuler()
        {
            //this.viewer.HRuler.Init(this.viewer.Drawer.GetRangeGetter());
            //this.viewer.VRuler.Init(this.viewer.Drawer.GetRangeGetter());
            this.viewer.Drawer.MouseMove += this.viewer.HRuler.ProcessMouseMove;
            this.viewer.Drawer.DrawerZoomIn += this.viewer.HRuler.Zoom;
            this.viewer.Drawer.DrawerZoomOut += this.viewer.HRuler.Zoom;
            this.viewer.Drawer.DrawerViewAll += this.viewer.HRuler.Zoom;
            this.viewer.Drawer.DrawerViewPan += this.viewer.HRuler.ReDraw;
            this.viewer.Drawer.DrawerOnPaint += this.viewer.HRuler.ReDraw;

            viewer.Drawer.MouseMove += this.viewer.VRuler.ProcessMouseMove;
            viewer.Drawer.DrawerZoomIn += this.viewer.VRuler.Zoom;
            viewer.Drawer.DrawerZoomOut += this.viewer.VRuler.Zoom;
            viewer.Drawer.DrawerViewAll += this.viewer.VRuler.Zoom;
            viewer.Drawer.DrawerViewPan += this.viewer.VRuler.ReDraw;
            viewer.Drawer.DrawerOnPaint += this.viewer.VRuler.ReDraw;
        }

        private void frmMarkEditor_Load(object sender, EventArgs e)
        {

        }

        private void tsbCircle_Click(object sender, EventArgs e)
        {
            this.tsbCircle.Checked = !this.tsbCircle.Checked;
            this.drawRectangleButton.Checked = false;
            this.drawEllipseButton.Checked = false;
            this.tsbCurveAdd.Checked = false;
            if (this.currentNode == "当前文档符号")
            {
                GeoCurrent.SetDocData(docSymbol);
                geoCurrent.DrawCircleCurrent();
            }
            else
            {
                geoFile.SetDocData(docSymbol);
                geoFile.DrawCircleSymbol();
            }

            this.viewer.Drawer.ReDraw();
        }

        private void tsbNew_Click(object sender, EventArgs e)
        {
            if (this.currentNode == "当前文档符号")
            {
                this.CreateNewSymbol(geoCurrent, sender, e);
                //geoCurrent.DocBak();
            }
            else
            {
                this.CreateNewSymbol(geoFile, sender, e);
            }            
        }

        public void CreateNewSymbol(GeoSigmaXY geo, object sender, EventArgs e)
        {
            bool modifyFlag = false;
            DialogResult resultInfo = DialogResult.Abort;
            if (geo != null)
            {
                modifyFlag = geo.Sigma_IsDocumentModified();
            }

            if (modifyFlag)
            {
                resultInfo = MessageBox.Show("是否保存当前修改", "提示", MessageBoxButtons.YesNo);
                if (resultInfo == DialogResult.Yes)
                {
                    //执行保存
                    this.tsbSave_Click(sender, e);

                    //修改后删除缓存中的符号                  
                    CacheHelper.Remove(prevSymbolInList);
                    modifyFlag = false;
                }
                else
                {
                    if (resultInfo != DialogResult.OK)
                    {
                        geo.SetDocData(doc);
                        geo.ReplaceSymbol(markName, symbolOriginal);
                    }
                }
            }

            if (miList == null)
            {
                return;
            }

            int result = 0;
            createFlag = true;
            //string symbolName = string.Empty;
            string itemName = string.Empty;
            int max = 0;
            foreach (var item in miList)
            {
                itemName = item.Name;
                if (itemName.IndexOf("新建符号") > -1)
                {
                    itemName = itemName.Substring(4);
                    //int itemNum = int.Parse(itemName);
                    if (!int.TryParse(itemName, out result))
                    {
                        return;
                    }

                    int itemNum = result;
                    if (itemNum >= max)
                    {
                        max = itemNum;
                    }
                }
            }

            max++;
            symbolName = "新建符号" + max;
            var mi = new LibraryMarkItem();
            mi.Name = symbolName;
            mi.Id = symbolName;
            var mdNode = new MarkLibraryNode();
            mdNode.Marks.Add(mi);
            MarkLibrary.GenerateLibraryImage(mdNode.Marks, symbolFileDir);
            miList.Add(mi);
            int cx = 30, cy = 30;
            var img = new Bitmap(cx, cy);
            //olvSymbol.Objects = miList;
            var imglist = new ImageList();

            //var symbolItemSet = new List<ListViewItem>();
            //var symbolItem = new ListViewItem(mi.Name);          
            //symbolItemSet.Add(symbolItem);
            lvSymbol.VirtualListSize = miList.Count;
            //lvSymbol.Items.Add(mi.Name);
            lvSymbol.Items[miList.Count - 1].Text = symbolName;
            lvSymbol.Items[miList.Count - 1].ImageIndex = -1;

            if (mi.Image == null)
            {
                imglist.Images.Add(img);
            }
            else
            {
                imglist.Images.Add(mi.Image);
            }

            lvSymbol.SmallImageList = imglist;
            Graphics g = Graphics.FromImage(img);
            if (GeoSigmaXY.MarkLibraryNewSymbol(mi.Name, g.GetHdc(), cx, cy))
            {
                //加上这句才能回写到bitmap中
                g.ReleaseHdc();
                mi.Image = img;
            }

            if (symbolFile != string.Empty)
            {
                geo.SetDocData(doc);
                //geo.DeleteRectangleRange(doc);
                geo.DeleteRectangleRange();
                ////if (resultInfo != DialogResult.OK)
                ////{
                ////    geo.ReplaceSymbol(markName,symbolOriginal);
                ////}

                geo.CreateNewSymbol(symbolName);
                var flag = geo.SaveDocument(symbolFile);
                if (!flag)
                {
                    MessageBox.Show("创建失败");
                }
            }

            createFlag = false;
            this.GetSymbolCursorLocation();
        }

        private void tsbSave_Click(object sender, EventArgs e)
        {
            if (this.currentNode == "当前文档符号")
            {
                if (currentFilePath != string.Empty)
                {
                    geoCurrent.DeleteRectangleRange();
                    geoCurrent.CurrDocEditSymbol(doc, markName);
                    geoFile.CurrentSymbolWindowShow();
                    this.mainDrawer.ReDraw();
                    var flag = geoCurrent.SaveDocument(currentFilePath);
                    //geoCurrent.SetDocData(currDoc);//----------------
                    //this.mainDrawer.ReDraw();
                    if (flag)
                    {
                        CacheHelper.Remove(prevSymbolInList);
                        //geoCurrent.DocBak();
                        MessageBox.Show("编辑已保存");
                    }
                }
            }
            else
            {
                if (symbolFile != string.Empty)
                {
                    if (symbolFile != string.Empty)
                    {
                        //geoFile.DeleteRectangleRange();
                        geoFile.DeleteRectFrameSymbol(docSymbol);
                        geoFile.SetDocData(doc);

                        //var flag = geoFile.SaveDocument(symbolFile);
                        var flag = geoFile.SaveFile();
                        if (flag)
                        {
                            CacheHelper.Remove(prevSymbolInList);
                            //geoFile.SymbolDocView(docSymbol, markName);
                            geoFile.SetDocData(docSymbol);
                            geoFile.RectangleRange();
                            MessageBox.Show("编辑已保存");
                        }
                    }
                }
            }

        }

        private void tsbDelete_Click(object sender, EventArgs e)
        {
            string symbolName = string.Empty;
            if (lvSymbol.SelectedIndices != null && lvSymbol.SelectedIndices.Count > 0)
            {
                ListView.SelectedIndexCollection c = lvSymbol.SelectedIndices;
                symbolName = lvSymbol.Items[c[0]].Text;
            }

            foreach (var item in miList)
            {
                if (item.Name == symbolName)
                {
                    miList.Remove(item);
                    break;
                }
            }

            geoFile.SetDocData(doc);
            geoFile.DeleteSymbol(symbolName);
            var flag = geoFile.SaveDocument(symbolFile);
            if (!flag)
            {
                MessageBox.Show("删除失败");
            }

            int i = 0;
            lvSymbol.VirtualListSize = miList.Count;
            foreach (var item in miList)
            {
                lvSymbol.Items[i].Text = item.Name;
                lvSymbol.Items[i].ImageIndex = item.Index;
                lvSymbol.Items[i].Tag = item.SymbolFilePath;
                i++;
            }
        }

        private void lvSymbol_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (this.currentNode == "当前文档符号")
            {
                ShowSymbol(geoCurrent, "", sender, e);
            }
            else
            {
                ShowSymbol(geoFile, "symbolFile", sender, e);
            }

            //this.tsbViewAll_Click(sender, e);
        }

        public void ShowSymbol(GeoSigmaXY geo, string flag, object sender, EventArgs e)
        {
            string currSymbol = string.Empty;
            if (lvSymbol.SelectedIndices != null && lvSymbol.SelectedIndices.Count > 0)
            {
                ListView.SelectedIndexCollection c = lvSymbol.SelectedIndices;
                currSymbol = lvSymbol.Items[c[0]].Text;
                lvIndex = c[0];
                lvText = currSymbol;
            }

            if (geo == null)
            {
                return;
            }

            if (currSymbol != string.Empty)
            {
                //doc = geo.GetDocData();              
                geo.SetDocData(doc);
                symbolOriginal = geo.SaveSymbolOriginal(currSymbol);
            }

            bool modifyFlag = false;

            modifyFlag = geo.Sigma_IsDocumentModified();


            if (modifyFlag && flag == "symbolFile")
            {
                DialogResult result = MessageBox.Show("是否保存当前修改", "提示", MessageBoxButtons.YesNo);
                if (result == DialogResult.Yes)
                {
                    //执行保存
                    this.tsbSave_Click(sender, e);

                    //修改后删除缓存中的符号                  
                    CacheHelper.Remove(prevSymbolInList);
                    modifyFlag = false;
                }
            }

            if (!createFlag)
            {
                var symbol = lvSymbol.SelectedIndices;
                if (symbol != null)
                {
                    if (lvSymbol.SelectedIndices != null && lvSymbol.SelectedIndices.Count > 0)
                    {
                        ListView.SelectedIndexCollection c = lvSymbol.SelectedIndices;
                        var symbolName = lvSymbol.Items[c[0]].Text;
                        if (symbolName != string.Empty)
                        {
                            markName = symbolName;
                        }

                        prevSymbolInList = symbolFileDir + "\\" + markName;
                    }

                    string pathName = string.Empty;

                    if (lvSymbol.SelectedIndices != null && lvSymbol.SelectedIndices.Count > 0)
                    {
                        ListView.SelectedIndexCollection cn = lvSymbol.SelectedIndices;
                        if (lvSymbol.Items[cn[0]].Tag == null)
                        {
                            this.lbSymbolNodePath.Text = this.currentNode;
                            pathName = fileName;
                        }
                        else
                        {
                            pathName = lvSymbol.Items[cn[0]].Tag.ToString();
                            this.lbSymbolNodePath.Text = pathName;
                        }

                        path = string.Empty;
                        string parentPath = GetParentPath(fileName);
                        string partPath = string.Empty;
                        if (flag == "symbolFile")
                        {
                            if (isSearch)
                            {
                                symbolFile = symbolFileName + "\\Mark" + "\\" + pathName + ".dfd";
                            }
                            else
                            {
                                if (parentPath != string.Empty)
                                {
                                    symbolFile = symbolFileName + "\\Mark\\" + parentPath + ".dfd";
                                }
                                else
                                {
                                    symbolFile = symbolFileName + "\\Mark\\" + fileName + ".dfd";
                                }
                            }

                            if (!File.Exists(symbolFile))
                                return;
                            geoFile = this.viewer.Drawer.OpenFile(symbolFile);
                            doc = geoFile.GetDocData();
                            geoFile.SetMarkDataSymbol(markName);
                            
                        }
                        else
                        {
                            symbolFile = currentFilePath;
                            if (!File.Exists(symbolFile))
                                return;

                            if (geoFile == null)
                            {
                                geoFile = new GeoSigmaXY();                              
                                //doc = geoFile.GetDocData();                               
                              
                            }
                            if (geoFile != null)
                            {
                                geoCurrent.GetDocData();
                                geoCurrent.DocBak(markName);                              
                                geoFile.SetMark2Data(markName);
                            }

                        }
                        
                        //为符号编辑属性设置添加
                        this.viewer.Geo = geoFile;
                        //doc = geoFile.GetDocData();
                        //geoFile.SetMark2Data(markName);
                        docSymbol = geoFile.GetDocData();

                        if (!createFlag)
                        {
                            if (this.currentNode == "当前文档符号")
                            {
                                geoFile.RectangleRange();
                            }
                            else
                            {
                                geoFile.RectangleRangeSymbol();
                            }

                            geoFile.SetLayerState("RectRangeBackground", LayerStatus.VIEW_NOT_EDIT);

                        }

                        this.viewer.Drawer.Geo = geoFile;

                    }

                    this.viewer.Drawer.ReDraw();
                }
            }

            if (geoFile != null)
            {
                string strLayers = geoFile.GetLayers();
                string strReplace = string.Empty;
                if (!string.IsNullOrEmpty(strLayers))
                {
                    if (strLayers.IndexOf("Layer:\\RectRangeBackground") > 0)
                    {
                        strReplace = strLayers.Replace("Layer:\\RectRangeBackground", "");
                    }

                    //string CurrentLayer = viewer.GetCurrentLayer();
                    string CurrentLayer = geoFile.GetCurrentLayer();
                    pnlProperty.Viewer = this.viewer;
                    //layerTree.SymbolFlag = true;
                    layerTree.DrawViewer = this.viewer;
                    if (strReplace != string.Empty)
                    {
                        string layers = string.Empty;
                        string[] saFullLayers = Regex.Split(strReplace, "\r\n");
                        for (int i = 0; i < saFullLayers.Length; i++)
                        {
                            if (saFullLayers[i] != "")
                            {
                                layers += "10|" + saFullLayers[i] + "\r\n";
                            }
                        }

                        layerTree.ResetLayers(layers);
                    }

                    layerTree.SetCurrentLayer(CurrentLayer);
                    this.viewer.Drawer.ActiveTool = DrawToolType.Default;
                    this.tsbSelect.Checked = false;
                }
            }

            this.ToolSelect();
            this.tsbSelect.Checked = true;
        }
        private void tsmiRename_Click(object sender, EventArgs e)
        {
            ListView.SelectedIndexCollection c = lvSymbol.SelectedIndices;          
            lvSymbol.LabelEdit = true;
            if (c.Count > 0)
            {
                lvSymbol.Items[c[0]].BeginEdit();
            }          
        }

        private void lvSymbol_MouseClick(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                ContextMenuStrip = this.cmsSymbolMenu;
            }
        }

        private void lvSymbol_AfterLabelEdit(object sender, LabelEditEventArgs e)
        {
            var symbolName = e.Label;
            if (symbolName == string.Empty || symbolName == null)
            {
                MessageBox.Show("此名称不能为空！");
                e.CancelEdit = true;
                return;
            }

            //SymbolTreeNode fileName = (SymbolTreeNode)treeSymbol.SelectedObject;
            geoFile = this.viewer.Drawer.OpenFile(symbolFile);
            doc = geoFile.GetDocData();
            geoFile.RemoveSymbolLibXy();
            var ml = new MarkLibrary();
            string parentPath = GetParentPath(fileName);
            var lnode = new MarkLibraryNode();
            if (parentPath == string.Empty)
            {
                lnode = ml.GetCurrentSelectSymbolFile(fileName);
            }
            else
            {
                lnode = ml.GetCurrentSelectSymbolFile(parentPath);
            }

            miList = lnode.Marks;

            if (geoFile != null)
            {
                //geoFile.DeleteRectangleRange(doc);
                geoFile.DeleteRectangleRange();
                geoFile.SetDocData(doc);
                foreach (var item in miList)
                {
                    if (symbolName != null)
                    {
                        if (item.Name == symbolName.Trim())
                        {
                            MessageBox.Show("此名称已存在！");
                            e.CancelEdit = true;
                            return;
                        }
                    }
                }

                geoFile.SymbolRename(markName, symbolName);
                markName = symbolName;
                var flag = geoFile.SaveDocument(symbolFile);
                if (!flag)
                {
                    MessageBox.Show("重命名失败");
                }
            }
        }

        private void tsmiCopy_Click(object sender, EventArgs e)
        {
            string symboleName = string.Empty;
            string itemName = string.Empty;
            string copyName = string.Empty;
            if (lvSymbol.SelectedIndices != null && lvSymbol.SelectedIndices.Count > 0)
            {
                ListView.SelectedIndexCollection c = lvSymbol.SelectedIndices;
                symboleName = lvSymbol.Items[c[0]].Text;
            }
            else
            {
                return;
            }

            copyName = symboleName + "副本";
            int max = 0;
            int symboleNameLen = 0;
            int result = 0;
            int index = 0;
            foreach (var item in miList)
            {
                itemName = item.Name;
                if (symboleName == itemName)
                {
                    index = item.Index;
                }

                if (itemName.IndexOf(copyName) == 0)
                {
                    symboleNameLen = copyName.Length;
                    itemName = itemName.Substring(symboleNameLen);
                    if (!int.TryParse(itemName, out result))
                    {
                        return;
                    }
                    //int itemNum = int.Parse(itemName);
                    int itemNum = result;
                    if (itemNum >= max)
                    {
                        max = itemNum;
                    }
                }
            }

            max++;
            var mi = new LibraryMarkItem();
            mi.Name = copyName + max;
            mi.Id = copyName + max;
            mi.Index = index;
            var mdNode = new MarkLibraryNode();
            mdNode.Marks.Add(mi);
            miList.Add(mi);
            int cx = 30, cy = 30;
            int len = 0;
            var img = new Bitmap(cx, cy);
            var imglist = new ImageList();
            if (geoFile != null)
            {
                geoFile.SetDocData(doc);
                geoFile.CopySymbol(symboleName, mi.Name);
                //geoFile.DeleteRectangleRange(doc);
                geoFile.DeleteRectangleRange();
                var flag = geoFile.SaveDocument(symbolFile);
                geoFile.RemoveSymbolLibXy();
                MarkLibrary.GenerateLibraryImage(mdNode.Marks, symbolFileDir);
                lvSymbol.View = View.LargeIcon;
                lvSymbol.LargeImageList = imgSymbol;
                int i = 0;

                len = miList.Count + 1;
                lvSymbol.VirtualListSize = len;
                foreach (var item in mdNode.Marks)
                {
                    lvSymbol.Items[len - 1].Text = item.Name;
                    lvSymbol.Items[len - 1].ImageIndex = item.Index;
                    i++;
                }

                lvSymbol.VirtualListSize = miList.Count;
                int m = 0;
                foreach (var item in miList)
                {
                    lvSymbol.Items[m].Text = item.Name;
                    lvSymbol.Items[m].ImageIndex = item.Index;
                    lvSymbol.Items[m].Tag = item.SymbolFilePath;
                    m++;
                }

                if (!flag)
                {
                    MessageBox.Show("符号复制失败");
                }

                //geoFile.DocBak();
                copyCount++;
            }

            if (lvSymbol.Items.Count > 0)
            {
                lvSymbol.Focus();
                lvSymbol.Items[lvSymbol.Items.Count - 1].Selected = true;
            }

            this.GetSymbolCursorLocation();
        }

        private void GetSymbolCursorLocation()
        {
            if (lvSymbol.SelectedIndices != null && lvSymbol.SelectedIndices.Count > 0)
            {
                ListView.SelectedIndexCollection c = lvSymbol.SelectedIndices;
                lvSymbol.Focus();
                //lvSymbol.Items[c[0]].Selected = false;              
                lvSymbol.Items[lvIndex].Selected = false;
                lvSymbol.Items[lvSymbol.Items.Count - 1].Selected = true;
                lvSymbol.EnsureVisible(lvSymbol.Items.Count - 1);
            }
        }

        private void gridBtn_Click(object sender, EventArgs e)
        {
            viewer.SwitchGrid();
            this.viewer.Geo.SetGridStep(0.1, 0.1);
        }

        private void highLightTipBtn_Click(object sender, EventArgs e)
        {
            viewer.ActiveTool = DrawToolType.HighLightTip;
        }
        private int imgIndex = 0;
        private void lvSymbol_RetrieveVirtualItem(object sender, RetrieveVirtualItemEventArgs e)
        {
            if (myCache != null && e.ItemIndex >= firstItem && e.ItemIndex < firstItem + myCache.Length)
            {
                e.Item = myCache[e.ItemIndex - firstItem];
                //e.Item.ImageIndex = imgIndex;
                //imgIndex++;
            }
            else
            {
                //e.Item = new ListViewItem(symbolName);
                e.Item = new ListViewItem(e.ItemIndex.ToString());
            }
        }


        private void lvSymbol_CacheVirtualItems(object sender, CacheVirtualItemsEventArgs e)
        {
            if (myCache != null && e.StartIndex >= firstItem && e.EndIndex <= firstItem + myCache.Length)
            {
                //for (int i = 0; i < myCache.Length; i++)
                //{
                //    if (myCache[i] != null)
                //    {
                //        myCache[i].ListView.VirtualListSize = 0;
                //    }
                //}
                return;
            }

          
            firstItem = e.StartIndex;
            int length = e.EndIndex - e.StartIndex + 1;
            myCache = new ListViewItem[length];
         

            int x = 0;
            for (int i = e.StartIndex; i <= e.EndIndex; i++)
            {
                if (symbolItem != null)
                {
                    //// 加判断如果是复制
                    //ListViewItem item = new ListViewItem(symbolItem[i].Name);
                    //if (symbolItem[i].Name.IndexOf("新建符号") > -1)
                    //{
                    //    item.ImageIndex = -1;                       
                    //}
                    //else
                    //{
                    //    item.ImageIndex = i;                        
                    //}

                    //myCache[x] = item;
                    if (i < symbolItem.Count)
                    {
                        // 加判断如果是复制
                        ListViewItem item = new ListViewItem(symbolItem[i].Name);
                        if (symbolItem[i].Name.IndexOf("新建符号") > -1)
                        {
                            item.ImageIndex = -1;
                        }
                        else
                        {
                            item.ImageIndex = i;
                        }

                        myCache[x] = item;
                    }
                }
                else
                {
                    ListViewItem item = new ListViewItem(string.Empty);
                    item.ImageIndex = i;
                    //item.Text = "009";
                    myCache[x] = item;
                    //break;
                }

                x++;
            }
        }

        private void treeSymbol_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)   //async
        {
            imgIndex = 0;
            TreeView Tv_temp = (TreeView)sender;
            if ((sender as TreeView) != null)
            {
                // 点击树节点防止上次选中的节点高亮显示闪一下
                Tv_temp.SelectedNode = Tv_temp.GetNodeAt(e.X, e.Y);
            }

            if (e.Button == MouseButtons.Left)
            {
                lvSymbol.Items.Clear();
                imgSymbol.Images.Clear();

                lvSymbol.VirtualListSize = 0;

                TreeNode tn = this.treeSymbol.GetNodeAt(e.Location);

                currentNode = tn.Text;
                if (tn != null && tn.Bounds.Contains(e.Location))
                {
                    if (tn.Nodes.Count == 0)
                    {
                        if (tn.Text == "当前文档符号")
                        {
                            if (this.geoCurrent != null)
                            {
                                symbolFile = currentFilePath;
                                if (currentMarks.Count == 0)
                                {
                                    //geoCurrent.SetDocData(doc);
                                    currentMarks = MarkLibrary.GetDocumentMarks(this.geoCurrent);
                                }

                                int i = 0;
                                //lvSymbol.Items.Clear();
                                //imgSymbol.Images.Clear();
                                this.lvSymbol.BeginUpdate();
                                lvSymbol.VirtualListSize = currentMarks.Count;
                                lvSymbol.View = View.LargeIcon;
                                foreach (var item in currentMarks)
                                {
                                    if (item.Image == null)
                                    {
                                        MarkLibrary.GenerateDocumentImage(new[] { item }, geoCurrent);
                                    }

                                    if (item.Image != null)
                                    {
                                        imgSymbol.Images.Add(item.Name, item.Image);
                                    }

                                    lvSymbol.Items[i].Text = item.Name;
                                    lvSymbol.Items[i].ImageIndex = item.Index;//?????
                                    i++;
                                }

                                lvSymbol.LargeImageList = imgSymbol;
                                this.lvSymbol.EndUpdate();
                                doc = geoCurrent.GetDocData();
                                miList = currentMarks;

                            }
                        }
                        else
                        {
                            isSearch = false;
                            var pathList = new StringBuilder(65535);
                            GeoSigmaXY.LoadSymbolTree(pathList);
                            var arrPath = pathList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
                            fileName = e.Node.Text;
                            path = string.Empty;
                            string parentPath = GetParentPath(fileName);
                            if (parentPath != string.Empty)
                            {
                                symbolFile = symbolFileName + "\\Mark\\" + parentPath + ".dfd";
                            }
                            else
                            {
                                symbolFile = symbolFileName + "\\Mark\\" + fileName + ".dfd";
                            }

                            var lnode = new MarkLibraryNode();

                            if (parentPath != string.Empty)
                            {
                                lnode = GetMarkNode(parentPath);
                            }
                            else
                            {
                                lnode = GetMarkNode(fileName);
                            }
                            geoFile = this.viewer.Drawer.OpenFile(symbolFile);
                            if (geoFile == null)
                            {
                                return;
                            }
                            doc = geoFile.GetDocData();
                            geoFile.RemoveSymbolLibXy();
                            //await Task.Run(() =>
                            //{
                            if (parentPath != string.Empty)
                            {
                                MarkLibrary.GenerateLibraryImage(lnode.Marks, parentPath);
                            }
                            else
                            {
                                MarkLibrary.GenerateLibraryImage(lnode.Marks, fileName);
                            }
                            //});
                            miList = lnode.Marks;
                            symbolItem = lnode.Marks;
                            lvSymbol.View = View.LargeIcon;
                            lvSymbol.LargeImageList = imgSymbol;
                            int i = 0;
                            this.lvSymbol.BeginUpdate();                          
                            lvSymbol.VirtualListSize = lnode.Marks.Count;
                            foreach (var item in lnode.Marks)
                            {
                                if (item.Image != null)
                                {
                                    imgSymbol.Images.Add(item.Name, item.Image);
                                }

                                lvSymbol.Items[i].Text = item.Name;
                                lvSymbol.Items[i].ImageIndex = item.Index;
                                i++;
                            }

                            lvSymbol.EndUpdate();
                        }

                        var geoBlank = new GeoSigmaXY();
                        geoBlank.RectangleRange();
                        //geoBlank.SetLayerState("Layer:\\RectRangeBackground", LayerStatus.VIEW_NOT_EDIT);
                        geoBlank.SetLayerState("RectRangeBackground", LayerStatus.VIEW_EDIT);
                        this.viewer.Drawer.Geo = geoBlank;
                        this.viewer.Drawer.ReDraw();

                        if (lvSymbol.Items.Count > 0)
                        {
                            lvSymbol.Focus();
                            if (this.currentNode != "当前文档符号")
                            {
                                lvSymbol.Items[0].Selected = true;                              
                            }
                                
                            lvSymbol_SelectedIndexChanged(sender, e);
                        }

                        this.ToolSelect();
                        this.tsbSelect.Checked = true;
                    }
                }
            }
        }
    }



    public class MarkEditor : DialogUIEditor<string, frmMarkEditor>
    {
        private List<MarkItem> _items = new List<MarkItem>();

        public override bool GetPaintValueSupported(ITypeDescriptorContext context)
        {
            return true;
        }

        public override void PaintValue(PaintValueEventArgs e)
        {
            if (e.Value is string s)
            {
                MarkItem mi = _items.FirstOrDefault(r => r.Name == s);

                if (mi == null)
                {
                    //    foreach (var dm in MarkLibrary.GetDocumentMarks())
                    //    {
                    //        var tmp = _items.FirstOrDefault(r => r.Id == dm.Id);

                    //        if (tmp == null)
                    //        {
                    //            _items.Add(dm);
                    //        }
                    //        else
                    //        {
                    //            tmp.Name = dm.Name;
                    //            tmp.Image = dm.Image;
                    //        }
                    //    }

                    //    mi = _items.FirstOrDefault(r => r.Name == s);
                }

                if (mi != null)
                {
                    if (mi.Image == null)
                        MarkLibrary.GenerateDocumentImage(new[] { mi }, null);

                    e.Graphics.DrawImage(mi.Image, e.Bounds);
                }
            }

            base.PaintValue(e);
        }
    }

    #region 符号

    public class MarkItem
    {
        public string Name { get; set; }

        public string Id { get; set; }

        public Image Image { get; set; }

        public int Index
        {
            get;
            set;
        }
        public IntPtr PXy { get; set; }

        public string SymbolFilePath
        {
            get;
            set;
        }

    }

    public class DocumentMarkItem : MarkItem { }

    public class LibraryMarkItem : MarkItem { }

    public abstract class MarkBaseNode
    {
        private string _path;
        private string name;
        public string Path
        {
            get => _path;//string.Join("\\", PathEx);
            set
            {
                _path = value;

                PathEx.Clear();

                PathEx.AddRange(value.Split(new[] { "\\" }, StringSplitOptions.RemoveEmptyEntries));
            }
        }

        public List<string> PathEx { get; set; } = new List<string>();

        public string Name
        {
            get
            {
                if (PathEx.Count > 0)
                    return PathEx.Last();

                //return string.Empty;
                return name;
            }

            set
            {
                name = value;
            }
        }

        public int Level => PathEx.Count;

        public string GetPathByLevel(int level)
        {
            return string.Join("\\", PathEx.Take(level));
        }

        public bool IsParentOf(MarkBaseNode rhs)
        {
            if (this.PathEx.Count == rhs.PathEx.Count - 1)
            {
                int count = 0;

                for (int i = 0; i < this.PathEx.Count; i++)
                {
                    if (this.PathEx[i] == rhs.PathEx[i])
                        count++;
                }

                return count == this.PathEx.Count;
            }

            return false;
        }

        public bool IsChildOf(MarkBaseNode rhs)
        {
            return rhs.IsParentOf(this);
        }

        public bool IsAncestorOf(MarkBaseNode rhs)
        {
            if (this.PathEx.Count < rhs.PathEx.Count)
            {
                int count = 0;

                for (int i = 0; i < this.PathEx.Count; i++)
                {
                    if (this.PathEx[i] == rhs.PathEx[i])
                        count++;
                }

                return count == this.PathEx.Count;
            }

            return false;
        }

        public bool IsPosterityOf(MarkBaseNode rhs)
        {
            return rhs.IsAncestorOf(this);
        }
    }

    public class MarkVirtualNode : MarkBaseNode
    {

    }


    public class MarkItemNode : MarkBaseNode
    {
        public List<MarkItem> Marks { get; set; } = new List<MarkItem>();

        public override string ToString()
        {
            return $"{Path}: {Marks.Count}";
        }
    }

    public class MarkLibraryNode : MarkItemNode { }


    public class MarkDocumentNode : MarkItemNode { }

    public class MarkLibrary
    {
        private static int imgIndex = 0;

        public List<MarkItemNode> Items { get; set; } = new List<MarkItemNode>();

        public bool Empty => Items.Count == 0;

        public List<MarkBaseNode> Nodes { get; set; } = new List<MarkBaseNode>();


        public void GenerateNodes()
        {
            List<MarkBaseNode> GetRoots()
            {
                var list = new List<MarkBaseNode>();

                list.AddRange(this.Items.OfType<MarkDocumentNode>());

                var parents = this.Items.Where(r => !(r is MarkDocumentNode))
                    .Where(r => !this.Items.Any(k => k.IsParentOf(r)));

                list.AddRange(parents.Where(r => r.PathEx.Count != 1)
                    .Select(r => r.PathEx[0])
                    .Distinct()
                    .Select(r => new MarkVirtualNode() { Path = r })
                );

                list.AddRange(parents.Where(r => r.PathEx.Count == 1));

                return list;
            }

            List<MarkBaseNode> GetChildren(MarkBaseNode node)
            {
                var list = new List<MarkBaseNode>();

                var tmp = this.Items.Where(r => r.IsPosterityOf(node));

                list.AddRange(tmp.Where(r => !r.IsChildOf(node))
                    .Select(r => r.GetPathByLevel(node.Level + 1))
                    .Distinct()
                    .Select(r => new MarkVirtualNode() { Path = r })
                    .ToList()
                );

                list.AddRange(tmp.Where(r => r.IsChildOf(node)).ToList());

                var children = list.SelectMany(r => GetChildren(r)).ToList();

                list.AddRange(children);

                return list;
            }

            Nodes.Clear();

            var roots = GetRoots();

            Nodes.AddRange(roots);

            var nodes = roots.SelectMany(r => GetChildren(r));

            Nodes.AddRange(nodes);

        }


        public IEnumerable<MarkBaseNode> GetRoots()
        {
            var list = new List<MarkBaseNode>();

            list.AddRange(Nodes.OfType<MarkDocumentNode>());

            list.AddRange(Nodes.OfType<MarkVirtualNode>().Where(r => r.Level == 1));

            list.AddRange(Nodes.OfType<MarkLibraryNode>().Where(r => r.Level == 1));

            return list;
        }

        public IEnumerable<MarkBaseNode> GetChildren(MarkBaseNode parent)
        {
            foreach (var mln in Nodes)
            {
                if (mln.IsChildOf(parent))
                    yield return mln;
            }
        }

        public MarkBaseNode GetParent(MarkBaseNode child)
        {
            foreach (var mln in Nodes)
            {
                if (mln.IsParentOf(child))
                    return mln;
            }

            return null;
        }


        #region 接口

        public static List<MarkItem> GetDocumentMarks(GeoSigmaXY geo)
        {
            var list = new List<MarkItem>();
            var idList = new StringBuilder(65535);
            var nameList = new StringBuilder(65535);
            if (geo.MarkLoopName(idList, nameList))
            {
                var arrId = idList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
                var arrName = nameList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);

                if (arrId.Length == arrName.Length)
                {
                    for (int i = 0; i < arrId.Length; i++)
                    {
                        list.Add(new DocumentMarkItem()
                        {
                            Name = arrName[i],
                            Id = arrId[i],
                            Index = i
                        });
                    }
                }
            }
            return list;
        }

        public static MarkLibrary GetMarkLibrary()
        {
            var library = new MarkLibrary();

            //library.Items.Add(new MarkDocumentNode()
            //{
            //    Path = "当前文件符号",
            //    Marks = GetDocumentMarks(),
            //});

            library.Items.AddRange(GetDefaultLibrary().Items);

            return library;
        }

        private static MarkLibrary _defaultMarkLibrary = new MarkLibrary();

        public static MarkLibrary GetDefaultLibrary()
        {
            int imgIndex = 0;
            if (_defaultMarkLibrary.Empty)
            {
                var pathList = new StringBuilder(65535);

                if (GeoSigmaXY.MarkLibraryLoopName(pathList))
                {
                    var arrPath = pathList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);

                    foreach (var path in arrPath)
                    {
                        var item = new MarkLibraryNode()
                        {
                            Path = path
                        };

                        var idList = new StringBuilder(65535);
                        var nameList = new StringBuilder(65535);

                        if (GeoSigmaXY.MarkLibraryLoopMark(path, idList, nameList))
                        {
                            var arrId = idList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
                            var arrName = nameList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);

                            if (arrId.Length == arrName.Length)
                            {
                                for (int i = 0; i < arrId.Length; i++)
                                {
                                    item.Marks.Add(new DocumentMarkItem()
                                    {
                                        Name = arrName[i],
                                        Id = arrId[i],
                                        Index = imgIndex
                                    });
                                    imgIndex++;
                                }
                            }
                        }

                        _defaultMarkLibrary.Items.Add(item);
                    }
                }
            }

            return _defaultMarkLibrary;
        }

        public MarkLibraryNode GetCurrentSelectSymbolFile(string path)
        {
            var item = new MarkLibraryNode();
            item.Path = path;
            var idList = new StringBuilder(65535);
            var nameList = new StringBuilder(65535);

            if (GeoSigmaXY.MarkLibraryLoopMark(path, idList, nameList))
            {
                var arrId = idList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
                var arrName = nameList.ToString().Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);

                if (arrId.Length == arrName.Length)
                {
                    for (int i = 0; i < arrId.Length; i++)
                    {
                        item.Marks.Add(new DocumentMarkItem()
                        {
                            Name = arrName[i],
                            Id = arrId[i],
                            Index = i   //0904
                        });
                    }
                }
            }

            return item;
        }

        public static void GenerateDocumentImage(IEnumerable<MarkItem> marks, GeoSigmaXY geo)
        {
            //if (geo is GeoSigma gs)
            //{
            foreach (var nm in marks)
            {
                int cx = 50, cy = 50;

                var img = new Bitmap(cx, cy);

                Graphics g = Graphics.FromImage(img);

                if (geo.MarkDrawByName(nm.Id, g.GetHdc(), cx, cy))
                {
                    //加上这句才能回写到bitmap中
                    g.ReleaseHdc();

                    nm.Image = img;
                    //nm.Image.Save($"d:\\{nm.Name}.bmp");
                }
            }
            //}
        }

        public static void GenerateLibraryImage(IEnumerable<MarkItem> marks, string path)
        {
            foreach (var nm in marks)
            {
                string symbolKey = string.Empty;
                symbolKey = path + "\\" + nm.Name;
                if (CacheHelper.Exist(symbolKey))
                {
                    nm.Image = (Image)CacheHelper.GetValue(symbolKey);
                    continue;
                }

                int cx = 30, cy = 30;

                var img = new Bitmap(cx, cy);

                Graphics g = Graphics.FromImage(img);

                if (GeoSigmaXY.MarkLibraryDrawByName(nm.Id, g.GetHdc(), cx, cy))
                {
                    if (!CacheHelper.Exist(symbolKey))
                    {
                        CacheHelper.Add(symbolKey, img);
                    }

                    //加上这句才能回写到bitmap中
                    g.ReleaseHdc();

                    nm.Image = img;
                    //nm.Image.Save($"d:\\{nm.Name}.bmp");
                }
            }
        }
        #endregion

    }



    #endregion


    #region MarkItemRenderer

    internal class MarkItemRenderer : BrightIdeasSoftware.BaseRenderer
    {
        public override bool RenderItem(DrawListViewItemEventArgs e, Graphics g, Rectangle r, object x)
        {
            var ret = base.RenderItem(e, g, r, x);

            if (x is MarkItem mi)
            {
                if (e.Item.Selected)
                {
                    g.FillRectangle(Brushes.LightGray, r);
                }

                int cx = 30;
                int cy = 30;

                int size = Math.Min(r.Width - cx, r.Height - cy);

                var rcImageBorder = new Rectangle(r.Left + (r.Width - size) / 2, r.Top, size, size);
                rcImageBorder.Inflate(-1, -1);

                var rcImage = rcImageBorder;
                rcImage.Inflate(-2, -2);
                Rectangle rcDraw = new Rectangle(rcImage.Location, new Size(rcImage.Height, rcImage.Height));
                g.DrawImage(mi.Image, rcDraw);

                g.DrawRectangle(Pens.Black, rcImageBorder);

                StringFormat fmt = new StringFormat();
                fmt.LineAlignment = StringAlignment.Near;
                fmt.Alignment = StringAlignment.Center;

                g.DrawString(mi.Name, this.Font, Brushes.Black,
                    new Rectangle(r.Left, r.Top + size, r.Width, r.Height - size)
                    , fmt);

                return true;
            }

            return ret;
        }
    }


    #endregion

    public class SymbolTreeNode
    {
        private string name;
        private string path;
        private int index;

        public string Name
        {
            get
            {
                return name;
            }
            set
            {
                name = value;
            }
        }

        public string Path
        {
            get
            {
                return path;
            }
            set
            {
                path = value;
            }
        }

        public int Index
        {
            get
            {
                return index;
            }
            set
            {
                index = value;
            }
        }

        public override string ToString()
        {
            return $"{Name}";
        }
    }

    public static class CacheHelper
    {
        private static Cache cache = new Cache();

        public static void Add(string key, object value)
        {
            cache.Add(key, value, null, DateTime.Now.AddSeconds(300), TimeSpan.Zero, CacheItemPriority.Normal, null);
        }

        public static bool Exist(string key)
        {
            if (cache[key] == null)
            {
                return false;
            }
            else
            {
                return true;
            }
        }

        public static object GetValue(string key)
        {
            if (Exist(key))
            {
                return cache[key];
            }

            return null;
        }

        public static void Remove(string key)
        {
            if (Exist(key))
            {
                cache.Remove(key);
            }
        }
    }

}