protected override void FillEntityToCotrols()
{
if (_isNew)
{
Text = "新建空间要素类...";
if (_dataset != null)
{
FillDataset(_dataset);
}
return;
}
else
{
Text = "编辑空间要素类属性...";
}
SpatialFeatureClass ds = _entity as SpatialFeatureClass;
if (ds.SpatialFeatureDataset != null)
{
FillDataset(ds.SpatialFeatureDataset);
}
txtName.Text = _entity.Name;
txtDecription.Text = _entity.Description;
txtMapScale.Value = ds.MapScale;
txtSource.Text = ds.Source;
if (ds.SpatialRef != null)
{
ISpatialReference sref = SpatialReferenceFactory.GetSpatialReferenceByWKT(ds.SpatialRef, enumWKTSource.EsriPrjFile);
ucSpatialRef1.SpatialReference = sref;
}
}
public override string ToString(object value)
{
ICatalogItem ci = value as ICatalogItem;
if (ci is CatalogLocal)
{
return((ci as CatalogLocal).Tag.ToString());
}
else if (ci is CatalogFile)
{
return((ci as CatalogFile).Tag.ToString());
}
else if (ci is CatalogDatabaseConn)
{
return(((ci as CatalogDatabaseConn).Tag as SpatialDatabaseConn).ConnectionString);
}
else if (ci is CatalogFeatureDataset)
{
SpatialFeatureDataset sfd = (ci as CatalogFeatureDataset).Tag as SpatialFeatureDataset;
return((sfd as CatalogEntityBase)._connString + "@" + sfd.Name);
}
else if (ci is CatalogFeatureClass)
{
SpatialFeatureClass sfc = (ci as CatalogFeatureClass).Tag as SpatialFeatureClass;
return((sfc as CatalogEntityBase)._connString + "@" + sfc.Name);
}
else
{
return(base.ToString());
}
}
public override void Click(enumContextKeys key)
{
switch (key)
{
case enumContextKeys.AddFeatureClass:
using (frmFetClassDlg frm = new frmFetClassDlg())
{
ICatalogEntity entity = new SpatialFeatureClass();
frm.SetSpatialDataset(_tag as SpatialFeatureDataset);
(entity as CatalogEntityBase)._connString = (_tag as CatalogEntityBase)._connString;
if (frm.ShowDialog(ref entity, true, false))
{
if ((entity as SpatialFeatureClass).SpatialRef == null)
{
(entity as SpatialFeatureClass).SpatialRef = (_tag as SpatialFeatureDataset).SpatialRef;
}
entity.Store();
AddChild(new CatalogFeatureClass(entity.Name, entity, entity.Description));
}
}
Refresh();
break;
case enumContextKeys.Property:
using (frmFeatureDatasetsEditor frm = new frmFeatureDatasetsEditor())
{
ICatalogEntity entity = _tag as ICatalogEntity;
if (frm.ShowDialog(ref entity, false, false))
{
entity.Store();
Refresh();
}
}
break;
case enumContextKeys.Delete:
if (MsgBox.ShowQuestionYesNo("确定要删除要素集\"" + _name + "\"吗？\n\n删除以后不能恢复。") == System.Windows.Forms.DialogResult.No)
{
return;
}
SpatialFeatureDataset ds = _tag as SpatialFeatureDataset;
using (ICatalogEntityClass c = new CatalogEntityClassFeatureDataset(ds._connString))
{
c.Delete(ds);
ICatalogItem pIt = _parent;
_parent.Remove(this);
pIt.Refresh();
}
break;
case enumContextKeys.ImportData:
ImportData();
break;
default:
base.Click(key);
break;
}
}
private static FeatureDataSourceBase GetDataSource(CatalogFeatureClass catalogFeatureClass)
{
FeatureDataSourceBase ds = null;
string name = catalogFeatureClass.Name;
SpatialFeatureClass fetc = catalogFeatureClass.Tag as SpatialFeatureClass;
ds = new SpatialDbDataSource(name, fetc._connString + "@" + fetc.DataTable);
return(ds);
}
public override void Click(enumContextKeys key)
{
switch (key)
{
case enumContextKeys.AddFeatureDataset:
using (frmFeatureDatasetsEditor frm = new frmFeatureDatasetsEditor())
{
ICatalogEntity entity = new SpatialFeatureDataset();
(entity as CatalogEntityBase)._connString = (_tag as SpatialDatabaseConn).ConnectionString;
if (frm.ShowDialog(ref entity, true, false))
{
entity.Store();
AddChild(new CatalogFeatureDataset(entity.Name, entity, entity.Description));
}
}
Refresh();
break;
case enumContextKeys.AddFeatureClass:
using (frmFetClassDlg frm = new frmFetClassDlg())
{
ICatalogEntity entity = new SpatialFeatureClass();
frm.SetSpatialDataset(null);
(entity as CatalogEntityBase)._connString = (_tag as SpatialDatabaseConn).ConnectionString;
if (frm.ShowDialog(ref entity, true, false))
{
entity.Store();
AddChild(new CatalogFeatureClass(entity.Name, entity, entity.Description));
}
}
Refresh();
break;
case enumContextKeys.ImportData:
ImportData();
break;
default:
if (key == enumContextKeys.Refresh)
{
(_tag as SpatialDatabaseConn).Refresh();
}
base.Click(key);
break;
}
}
public override void Click(enumContextKeys key)
{
switch (key)
{
case enumContextKeys.Delete:
if (MsgBox.ShowQuestionYesNo("确定要删除要素类\"" + _name + "\"吗？\n\n删除以后不能恢复。") == System.Windows.Forms.DialogResult.No)
{
return;
}
SpatialFeatureClass ds = _tag as SpatialFeatureClass;
using (ICatalogEntityClass c = new CatalogEntityClassFeatureClass(ds._connString))
{
c.Delete(ds);
ICatalogItem pIt = _parent;
_parent.Remove(this);
pIt.Refresh();
break;
}
case enumContextKeys.Property:
using (frmFetClassDlg frm = new frmFetClassDlg())
{
ICatalogEntity entity = _tag as ICatalogEntity;
if (frm.ShowDialog(ref entity, false, false))
{
entity.Store();
Refresh();
}
}
break;
default:
base.Click(key);
break;
}
}
public override void Delete(ICatalogEntity entity)
{
using (IDbCommand cmd = _dbConnection.CreateCommand())
{
TransactionManager.BeginTransaction(_dbConnection, cmd);
string sql = null;
try
{
int ret = 0;
//delete table
SpatialFeatureClass fetc = entity as SpatialFeatureClass;
if (fetc.DataTable != null)
{
//delete fetclass table
sql = _adapter.GetTableIsExistSql(fetc.DataTable, _adapter.GetDataSource(_connString));
cmd.CommandText = sql;
object v = cmd.ExecuteScalar();
ret = int.Parse(v.ToString());
if (ret > 0)
{
sql = "drop table " + fetc.DataTable;
cmd.CommandText = sql;
ret = cmd.ExecuteNonQuery();
//delete spatialindex metadata
sql = _adapter.DeleteSpatiaoIndexMetadata(fetc.DataTable);
if (sql != null)
{
cmd.CommandText = sql;
cmd.ExecuteNonQuery();
}
}
//delete ann table
sql = _adapter.GetTableIsExistSql(fetc.AnnoTable, _adapter.GetDataSource(_connString));
cmd.CommandText = sql;
v = cmd.ExecuteScalar();
ret = int.Parse(v.ToString());
if (ret > 0)
{
sql = "drop table " + fetc.AnnoTable;
cmd.CommandText = sql;
ret = cmd.ExecuteNonQuery();
//delete spatialindex metadata
sql = _adapter.DeleteSpatiaoIndexMetadata(fetc.AnnoTable);
if (sql != null)
{
cmd.CommandText = sql;
cmd.ExecuteNonQuery();
}
}
}
//delete fetclass
sql = "delete from " + GetTableName() + " where id='" + entity.Id + "'";
cmd.CommandText = sql;
ret = cmd.ExecuteNonQuery();
TransactionManager.Commit();
}
catch
{
TransactionManager.Rollback();
throw;
}
}
}
