private void SearchLayer(ILayer pSubLayer, XmlLocator locator, string searchKey)
{
if (_searchCount > _context.Config.LocatorMaxCount)
{
return;
}
IQueryFilter queryFilter = new QueryFilter();
IFeatureClass pClass = ((IFeatureLayer)pSubLayer).FeatureClass;
string likeStr = WorkspaceHelper.GetSpecialCharacter(pClass as IDataset,
esriSQLSpecialCharacters.esriSQL_WildcardManyMatch);
if (!string.IsNullOrEmpty(searchKey))
{
queryFilter.WhereClause = BuildWhereClause(locator.SearchFields, searchKey, likeStr);
}
IFeatureCursor cursor = pClass.Search(queryFilter, false);
IFeature pFeature = cursor.NextFeature();
int nameIdx = GetFieldIdx(cursor, locator.NameField);
int addIdx = GetFieldIdx(cursor, locator.AddressField);
int descIdx = GetFieldIdx(cursor, locator.DescriptionField);
int telIdx = GetFieldIdx(cursor, locator.TelephoneField);
int emailIdx = GetFieldIdx(cursor, locator.EmailField);
int phoIdx = GetFieldIdx(cursor, locator.PhotoField);
while (pFeature != null)
{
IGeometry pGeometry = pFeature.Shape;
if (pGeometry.IsEmpty)
{
pFeature = cursor.NextFeature();
continue;
}
DataRow row = _dataTable.NewRow();
row["图层"] = pSubLayer.Name;
row["序号"] = pFeature.OID;
row["名称"] = nameIdx < 0 ? "" : pFeature.get_Value(nameIdx);
row["地址"] = addIdx < 0 ? "" : pFeature.get_Value(addIdx);
row["说明"] = descIdx < 0 ? "" : pFeature.get_Value(descIdx);
row["电话"] = telIdx < 0 ? "" : pFeature.get_Value(telIdx);
row["邮箱"] = emailIdx < 0 ? "" : pFeature.get_Value(emailIdx);
row["要素"] = pFeature.Shape;
row["照片"] = phoIdx < 0 ? null : pFeature.get_Value(phoIdx);
_dataTable.Rows.Add(row);
_searchCount++;
if (_searchCount > _context.Config.LocatorMaxCount)
{
break;
}
pFeature = cursor.NextFeature();
}
OtherHelper.ReleaseObject(cursor);
}