public override void OnClick()
{
//当前所有范围面，用来设置数据显示范围
IFeatureLayer pRangeFeatLay = null;
IFeatureLayer pFeatureLayer = null;
IFeatureClass pFeatureClass = null;
Exception exError = null;
//如果工作库数据group图层已经存在 就不让再加了
for (int i = 0; i < _AppHk.MapControl.LayerCount; i++)
{
ILayer mLayer = _AppHk.MapControl.get_Layer(i);
if (mLayer is IGroupLayer)
{
if (mLayer.Name == "现势库数据")
{
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "现势库数据图层已经存在。");
return;
}
}
}
Plugin.Application.IAppFormRef pArrForm = _AppHk as Plugin.Application.IAppFormRef;
pArrForm.MainForm.Cursor = System.Windows.Forms.Cursors.WaitCursor;
//获取更新库体数据集
if (_AppHk.DBXmlDocument == null)
{
pArrForm.MainForm.Cursor = System.Windows.Forms.Cursors.Default;
return;
}
XmlNode DBNode = _AppHk.DBXmlDocument.SelectSingleNode(".//项目工程");
if (DBNode == null)
{
return;
}
XmlElement DBElement = DBNode as XmlElement;
XmlElement objNode = DBNode.SelectSingleNode(".//目标数据连接") as XmlElement;
SysCommon.Gis.SysGisDataSet pObjSysGisDataSet = new SysCommon.Gis.SysGisDataSet();
pObjSysGisDataSet.SetWorkspace(objNode.GetAttribute("服务器"), objNode.GetAttribute("服务名"), objNode.GetAttribute("数据库"), objNode.GetAttribute("用户"), objNode.GetAttribute("密码"), objNode.GetAttribute("版本"), out exError);
if (exError != null)
{
pArrForm.MainForm.Cursor = System.Windows.Forms.Cursors.Default;
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "现势库数据连接失败,请确认");
return;
}
//获取数据显示范围
IGeometry pGeometry = null;
pRangeFeatLay = ModDBOperator.GetMapFrameLayer("zone", _AppHk.MapControl, "示意图") as IFeatureLayer;
if (pRangeFeatLay == null)
{
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "无法获取数据显示范围！");
return;
}
//判断当前是否有示提交的范围面
IFeatureCursor pFeatureCursor = pRangeFeatLay.Search(null, false);
if (pFeatureCursor != null)
{
IFeature pFeature = pFeatureCursor.NextFeature();
while (pFeature != null)
{
if (pGeometry == null)
{
pGeometry = pFeature.Shape;
}
else
{
pGeometry = (pGeometry as ITopologicalOperator).Union(pFeature.Shape);
}
pFeature = pFeatureCursor.NextFeature();
}
}
if (pGeometry == null)
{
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "无法获取数据显示范围！");
return;
}
//获取所有更新数据的FeatureClass
IFeatureDataset pFeaDataset = pObjSysGisDataSet.GetFeatureDataset("c_njtdt", out exError);// 这个地方要素集的名称是写死的 暂时没有办法获得工作库的信息 需要修改 陈新伟 20091211
if (pFeaDataset == null)
{
pArrForm.MainForm.Cursor = System.Windows.Forms.Cursors.Default;
SysCommon.Error.ErrorHandle.ShowFrmErrorHandle("提示", "无法获得指定的现势库数据【C_NJTDT】。");//yjl20120503
return;
}
//符号化类
//SymbolLyr symLyr = new SymbolLyr(); //@@@
List <IDataset> listFC = pObjSysGisDataSet.GetFeatureClass(pFeaDataset);
IGroupLayer pLayer = new GroupLayerClass();
pLayer.Name = "现势库数据";
foreach (IDataset pDataset in listFC)
{
pFeatureClass = pDataset as IFeatureClass;
if (pFeatureClass == null)
{
continue;
}
pFeatureLayer = new FeatureLayerClass();
if (pFeatureClass.FeatureType == esriFeatureType.esriFTAnnotation)
{
pFeatureLayer = new FDOGraphicsLayerClass();
}
pFeatureLayer.FeatureClass = pFeatureClass;
pFeatureLayer.Name = pDataset.Name;
pFeatureLayer.ScaleSymbols = false;
//pFeatureLayer = ModDBOperator.GetSelectionLayer(pTempFeatureLayer, pGeometry);
//if (pFeatureLayer == null) return;
//符号化图层
//symLyr.SymbolFeatrueLayer(pFeatureLayer); //@@@
//收缩图例
if (pFeatureClass.FeatureType == esriFeatureType.esriFTSimple)
{
ModDBOperator.ExpandLegend(pFeatureLayer as ILayer, false);
}
pLayer.Add(pFeatureLayer as ILayer);
}
_AppHk.MapControl.Map.AddLayer(pLayer);
pObjSysGisDataSet.CloseWorkspace(true);
//对图层进行排序
SysCommon.Gis.ModGisPub.LayersCompose(pLayer);
//将图幅结合表置于底层
//ModDBOperator.MoveMapFrameLayer(_AppHk.MapControl);
_AppHk.TOCControl.Update();
_AppHk.MapControl.Map.ClipGeometry = pGeometry;
_AppHk.MapControl.ActiveView.Refresh();
pArrForm.MainForm.Cursor = System.Windows.Forms.Cursors.Default;
}