예제 #1
0
        /// <summary>
        /// 添加图层
        /// </summary>
        /// <param name="map"></param>
        /// <param name="tree"></param>
        /// <param name="cmd"></param>
        private void AddLayer(MapImage map, MyTree tree, string[] cmd)
        {
            if (cmd.Length != 3)
            {
                return;
            }
            decimal mapid   = GetId(cmd[1]);
            decimal layerid = GetId(cmd[2]);
            //取得图层信息
            DataTable layertable = MapDBClass.GetLayerinfo(mapid, layerid);

            if (layertable == null || layertable.Rows.Count <= 0)
            {
                return;
            }
            string layername = layertable.Rows[0]["LayerName"].ToString();
            int    type      = 0;

            Int32.TryParse(layertable.Rows[0]["LayerType"].ToString(), out type);
            VectorLayer layer = new VectorLayer(layername, (VectorLayer.LayerType)type);

            layer.ID = layerid;
            layer.Style.EnableOutline = layertable.Rows[0]["EnableOutline"].ToString() == "1" ? true : false;
            layer.Style.Fill          = new SolidBrush(Color.FromArgb((int)layertable.Rows[0]["Fill"]));
            layer.Style.Line          = new Pen(Color.FromArgb((int)layertable.Rows[0]["Line"]), (int)layertable.Rows[0]["LineWidth"]);
            layer.Style.Outline       = new Pen(Color.FromArgb((int)layertable.Rows[0]["Outline"]), (int)layertable.Rows[0]["OutlineWidth"]);
            Collection <Geometry> geometries = new Collection <Geometry>();
            GeometryProvider      provider   = new GeometryProvider(geometries);

            layer.DataSource = provider;
            TreeNode node = new TreeNode(layername);

            node.Tag     = layer;
            node.Checked = true;
            if (SetLayerStyle != null)
            {
                SetLayerStyle(layer, layer.Style.Fill, layer.Style.Line, layer.Style.Outline, layer.Style.EnableOutline, node);
            }
            string layertext = "";

            switch (layer.Type)
            {
            case VectorLayer.LayerType.BaseLayer:
                layertext = Resources.BaseLayer;
                break;

            case VectorLayer.LayerType.PhotoLayer:
                layertext = Resources.PhotoLayer;
                break;

            case VectorLayer.LayerType.ReportLayer:
                layertext = Resources.ReportLayer;
                break;

            case VectorLayer.LayerType.MotionLayer:
                layertext = Resources.MotionPointLayer;
                break;

            case VectorLayer.LayerType.SaleLayer:
                layertext = Resources.SaleLayer;
                break;

            case VectorLayer.LayerType.AreaInformation:
                layertext = Resources.AreaInfoLayer;
                break;

            case VectorLayer.LayerType.Pricelayer:
                layertext = Resources.PriceLayer;
                break;

            case VectorLayer.LayerType.HireLayer:
                layertext = Resources.RentLayer;
                break;

            case VectorLayer.LayerType.OtherLayer:
                layertext = Resources.OtherLayer;
                break;
            }
            TreeNode mainnode = new TreeNode(layertext);

            mainnode.Checked = true;
            TreeNode findnode = FindNode(tree, layertext);

            if (findnode != null)
            {
                mainnode = findnode;
            }
            else if (layertext == Resources.BaseLayer)
            {
                if (tree.Nodes[0].Nodes.Count > 0)
                {
                    if (tree.Nodes[0].Nodes[0].Text == Resources.PhotoLayer)
                    {
                        tree.Nodes[0].Nodes.Insert(1, mainnode);
                    }
                    else
                    {
                        tree.Nodes[0].Nodes.Insert(0, mainnode);
                    }
                }
                else
                {
                    tree.Nodes[0].Nodes.Add(mainnode);
                }
            }
            else
            {
                findnode = FindNode(tree, Resources.DataLayer);
                if (findnode == null)
                {
                    findnode = new TreeNode(Resources.DataLayer);
                    tree.Nodes[0].Nodes.Add(findnode);
                }
                findnode.Nodes.Add(mainnode);
            }


            mainnode.Nodes.Add(node);
            map.Map.AddLayer(layer);
            //取得元素信息
            DataTable objecttable = MapDBClass.GetObject(mapid, layerid);

            for (int j = 0; j < objecttable.Rows.Count; j++)
            {
                decimal  objectid = (decimal)objecttable.Rows[j]["ObjectId"];
                byte[]   data     = (byte[])objecttable.Rows[j]["ObjectData"];
                Geometry geometry = (Geometry)Common.DeserializeObject(data);
                geometry.ID     = objectid;
                geometry.Select = false;
                geometries.Add(geometry);
                AddGeometryToTree(node, geometry, geometry.Text);
            }
        }