Bug 200286 [Regression] Data set editor size is not correct [07]
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
{
				TreeItem[] selection = availableDbObjectsTree.getSelection( );
				
				selectionMac = availableDbObjectsTree.getSelection( );
				
				if ( selection.length > 0 )
				{
					if ( selection[0].getData( ) instanceof DbObject )
					{
						if ( !isAcceptableDbObjectType( getDbObjectType( selection[0].getData( ) ) ) )
						{
							event.doit = false;
							return;
						}
						else
						{
							if ( !isDbObjectTreeValid( selection,
									getDbObjectType( selection[0].getData( ) ) ) )
							{
								event.doit = false;
								return;
							}
						}
					}
					else if ( selection[0].getData( ) instanceof Procedure )
					{
						for ( int i = 1; i < selection.length; i++ )
						{
							if ( !( selection[i].getData( ) instanceof Procedure ) )
							{