public void ServerAction(ToolbarItemInfo info)
{
Map mapctrl = null;
mapctrl = (Map)info.BuddyControls[0];//得到地图控件
ESRI.ArcGIS.ADF.Web.DataSources.Graphics.MapFunctionality gmf = null;
foreach (ESRI.ArcGIS.ADF.Web.DataSources.IMapFunctionality imf in mapctrl.GetFunctionalities())
{
if (imf.Resource.Name == "graph")//找到内存图像资源
{
gmf = (ESRI.ArcGIS.ADF.Web.DataSources.Graphics.MapFunctionality)imf;
break;
}
}
if (gmf == null)
{
return;
}
ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer egl = null;
foreach (System.Data.DataTable dt in gmf.GraphicsDataSet.Tables)
{
if (dt is ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer)
{
egl = (ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer)dt;
break;
}
}
if (egl != null)
{
egl.Clear();//清除选中的图形
}
//刷新地图
if (mapctrl.ImageBlendingMode == ImageBlendingMode.WebTier)
{
mapctrl.Refresh();
}
else if (mapctrl.ImageBlendingMode == ImageBlendingMode.Browser)
{
mapctrl.RefreshResource(gmf.Resource.Name);
}
}
public void ServerAction(ToolEventArgs args)
{
Map mapCtrl = null;
mapCtrl = (Map)args.Control;
string strName = "";
PointEventArgs ptArgs = null;
ptArgs = (PointEventArgs)args;
System.Drawing.Point pt = ptArgs.ScreenPoint;
//转换为地图上的点
ESRI.ArcGIS.ADF.Web.Geometry.Point adfPt = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(pt.X, pt.Y, mapCtrl.Extent
, (int)mapCtrl.Width.Value, (int)mapCtrl.Height.Value);
//查找图层
System.Collections.IEnumerable func_enum = null;
func_enum = mapCtrl.GetFunctionalities();
ESRI.ArcGIS.ADF.Web.DataSources.Graphics.MapResource grahpResource = null;
System.Data.DataTable dt;
foreach (IGISFunctionality gisfunction in func_enum)
{
IGISResource gisRes = null;
gisRes = gisfunction.Resource;
if (gisfunction.Resource.Name == "graph")
{
grahpResource = (MapResource)gisfunction.Resource;//找到内存图像资源
}
bool bIsSupported = false;
//地理资源是否支持查询
bIsSupported = gisRes.SupportsFunctionality((typeof(IQueryFunctionality)));
if (!bIsSupported)
{
continue;
}
IQueryFunctionality qFunc = null;
qFunc = (IQueryFunctionality)gisRes.CreateFunctionality((typeof(IQueryFunctionality)), null);
string[] strIds;
string[] strNames;
qFunc.GetQueryableLayers(null, out strIds, out strNames);
if (strIds == null)
{
continue; //如果是遥感影像不支持查询
}
int layerIndex = -1;
for (int i = 0; i < strNames.Length; i++)
{
if (strNames[i] == "bou2_4p")
{
layerIndex = i;
break;
}
}
if (layerIndex < 0)
{
continue;
}
//找到该图层
SpatialFilter sFilter = new SpatialFilter();
sFilter.ReturnADFGeometries = true;
sFilter.Geometry = adfPt;
sFilter.MaxRecords = 100;
dt = qFunc.Query(null, strIds[layerIndex], sFilter);
if (dt == null || dt.Rows.Count == 0)
{
continue;
}
for (int jj = 0; jj < dt.Columns.Count; jj++)
{
strName = dt.Rows[0]["name"].ToString();
if (dt.Columns[jj].DataType == typeof(ESRI.ArcGIS.ADF.Web.Geometry.Geometry))
{
//找到该集合对象
ESRI.ArcGIS.ADF.Web.Geometry.Geometry geom = (ESRI.ArcGIS.ADF.Web.Geometry.Geometry)dt.Rows[0][jj];
ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer glayer = null;
foreach (System.Data.DataTable dt1 in grahpResource.Graphics.Tables)
{
if (dt1 is ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer)
{
glayer = (ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer)dt1;
break;
}
}
if (glayer == null)
{
glayer = new ESRI.ArcGIS.ADF.Web.Display.Graphics.ElementGraphicsLayer();
grahpResource.Graphics.Tables.Add(glayer);
}
glayer.Clear();
ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicElement ge = null;
ge = new ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicElement(geom, System.Drawing.Color.Red);
ge.Symbol.Transparency = 50;
glayer.Add(ge);
}
}
}
//
if (mapCtrl.ImageBlendingMode == ImageBlendingMode.WebTier)
{
mapCtrl.Refresh();
}
else if (mapCtrl.ImageBlendingMode == ImageBlendingMode.Browser)
{
mapCtrl.RefreshResource(grahpResource.Name);
}
object[] oa = new object[1];
string sa = "alert('" + strName + "');";
oa[0] = sa;
CallbackResult crl = new CallbackResult(null, null, "javascript", oa);
mapCtrl.CallbackResults.Add(crl);
}
