Bug 148365 dataset script methods management
Create a report with several datasets (scripted ones, in my case). Select the first one, then choose the script tab ; write some script Save the report Select another one, then choose the script tab (same method ; write some script Save the report Select the first one again, then change the script DONT save Select the over one : the changes made to the first one appears ! => you may save the repor and search for a while before understanding the pb...
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/internal/ui/editors/script/JSEditor.java
private void selectItemInComboExpList( ISelection selection )
	{
		ISelection sel = selection;
		if ( sel.isEmpty( ) && cmbExpList.getItemCount( ) > 0 )
		{
			IPropertyDefn propDefn = (IPropertyDefn) cmbExprListViewer.getElementAt( 0 );
			if ( propDefn != null )
			{
				sel = new StructuredSelection( propDefn );
			}
		}
		cmbExprListViewer.setSelection( sel );
		return;
	}