コード例 #1
0
//added by chulili 20110719 根据数据集加载历史数据
        public void AddHistoryDataByFD(string[] strTemp, string strType)
        {
            Mapcontrol.ClearLayers();
            Toccontrol.Update();
            Application.DoEvents();

            //加载历史数据
            Exception err = null;

            SysCommon.Gis.SysGisDataSet sourceSysGisDataSet = new SysCommon.Gis.SysGisDataSet();
            switch (strType)
            {
            case "SDE":
                sourceSysGisDataSet.SetWorkspace(strTemp[0], strTemp[1], strTemp[2], strTemp[3], strTemp[4], strTemp[5], out err);
                break;

            case "PDB":
                sourceSysGisDataSet.SetWorkspace(strTemp[2], SysCommon.enumWSType.PDB, out err);
                break;

            case "GDB":
                sourceSysGisDataSet.SetWorkspace(strTemp[2], SysCommon.enumWSType.GDB, out err);
                break;
            }

            if (err != null)
            {
                SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("连接数据库失败", "原因:" + err.Message);
                return;
            }
            //cyf 20110706 add
            DevComponents.AdvTree.Node ProjectNode = new DevComponents.AdvTree.Node();
            ProjectNode = m_ProTree.SelectedNode;
            while (ProjectNode.Parent != null)
            {
                ProjectNode = ProjectNode.Parent;
            }
            //cyf 20110625 add:
            DevComponents.AdvTree.Node DBNode = new DevComponents.AdvTree.Node(); //数据库树节点
            //获取数据库节点
            DBNode = m_ProTree.SelectedNode;
            while (DBNode.Parent != null && DBNode.DataKeyString != "DB")
            {
                DBNode = DBNode.Parent;
            }
            if (DBNode.DataKeyString != "DB")
            {
                SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "获取数据库节点失败!");
                return;
            }

            DevComponents.AdvTree.Node DtSetNode = new DevComponents.AdvTree.Node(); //数据集树节点
            if (DBNode.Text == "现势库" || DBNode.Text == "历史库")                        //.DataKeyString == "现势库"
            {
                //获取数据集节点
                DtSetNode = m_ProTree.SelectedNode;
                while (DtSetNode.Parent != null && DtSetNode.DataKeyString != "FD")
                {
                    DtSetNode = DtSetNode.Parent;
                }
                if (DtSetNode.DataKeyString != "FD")
                {
                    SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "获取数据集节点失败!");
                    return;
                }
            }
            //end
            //added by chulili 20110719
            XmlElement elementTemp   = (DBNode.Tag as XmlElement).SelectSingleNode(".//连接信息") as XmlElement;
            IWorkspace TempWorkSpace = ModDBOperator.GetDBInfoByXMLNode(elementTemp, "") as IWorkspace;

            SysCommon.Gis.SysGisDataSet sysGisDataset  = new SysCommon.Gis.SysGisDataSet(TempWorkSpace);
            IFeatureDataset             featureDataset = null; //数据集
            IGroupLayer pGroupLayer = new GroupLayerClass();

            if (m_ProTree.SelectedNode.DataKeyString == "FD")
            {
                featureDataset = sysGisDataset.GetFeatureDataset(m_ProTree.SelectedNode.Text, out err);
                if (err != null)
                {
                    SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "获取数据集失败,请检查该数据集是否存在!");
                    return;
                }
                pGroupLayer.Name = m_ProTree.SelectedNode.Text + "_" + ProjectNode.Text;
            }
            else if (m_ProTree.SelectedNode.DataKeyString == "FC")
            {
                featureDataset = sysGisDataset.GetFeatureDataset(DtSetNode.Text, out err);
                if (err != null)
                {
                    SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "获取数据集失败!");
                    return;
                }
                pGroupLayer.Name = DtSetNode.Text + "_" + ProjectNode.Text;
            }
            List <IDataset> lstDataset = sysGisDataset.GetFeatureClass(featureDataset);
            //end added by chulili
            //List<string> lstNames = sourceSysGisDataSet.GetFeatureClassNames();
            XmlElement feaclsElem = null;

            try { feaclsElem = (m_ProTree.SelectedNode.Tag as XmlElement).SelectSingleNode(".//图层名") as XmlElement; }
            catch { }

            foreach (IDataset dataset in lstDataset)
            {
                IFeatureClass pFeatureClass = dataset as IFeatureClass;
                if (pFeatureClass == null)
                {
                    continue;
                }
                IFeatureLayer pFeatureLayer = new FeatureLayerClass();
                if (pFeatureClass.FeatureType == esriFeatureType.esriFTAnnotation)
                {
                    pFeatureLayer = new FDOGraphicsLayerClass();
                }
                pFeatureLayer.FeatureClass = pFeatureClass;

                pFeatureLayer.Name = dataset.Name;
                if (m_ProTree.SelectedNode.DataKeyString == "FC")
                {
                    //加载指定的图层
                    if (m_ProTree.SelectedNode.Text != pFeatureLayer.Name)
                    {
                        continue;
                    }
                }
                else if (m_ProTree.SelectedNode.DataKeyString == "FD")
                {
                    if (feaclsElem != null)
                    {
                        if (!feaclsElem.GetAttribute("名称").Contains(pFeatureLayer.Name))
                        {
                            //若不具备数据权限,则不进行加载
                            continue;
                        }
                    }
                }
                pGroupLayer.Add(pFeatureLayer as ILayer);
            }
            Mapcontrol.Map.AddLayer(pGroupLayer);
            SysCommon.Gis.ModGisPub.LayersCompose(Mapcontrol);

            InitialSliderItem(Mapcontrol);
        }