Bug 122365 In data set dialog, add parameter first then edit query, parameter value will be cleared out.
Description: In data set dialog, add parameter first then edit query, parameter value will be cleared out. Steps to reproduce: 1. Add a data set. 2. In data set dialog, add a parameter. 3. Edit query and use this parameter. 4. Preview in data set dialog, it works. 5. Change to "parameter" page, its value is cleared out.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/PropertyHandleTableViewer.java
return itmRemove;
    }
    
    public MenuItem getRemoveAllMenuItem()
    {
        return itmRemoveAll;
    }
    
    private final void removeSelectedItem()
    {
        int index = viewer.getTable( ).getSelectionIndex( );
        PropertyHandle handle = (PropertyHandle) viewer.getInput();
        int count = (handle.getListValue() == null)?0:handle.getListValue().size(); 
        
        if ( index > -1 && index < count )
        {
            try
            {
                handle.removeItem( index );
            }
            catch ( PropertyValueException e1 )
            {
                ExceptionHandler.handle( e1 );
            }
            viewer.refresh( );
            viewer.getTable( ).select( index );
        }
    }
}