private OpenResourceDialog createManageSelectionDialog(String message) {
    OpenResourceDialog resourceDialog = new OpenResourceDialog(EditorUtils.getShell(), selectedProject,
            IResource.FILE);
    try {
        //Hack warning: changing the multi internal field to false because we don't want a multiple selection
        //(but the OpenResourceDialog didn't make available an API to change that -- even though
        //it'd be possible to create a FilteredItemsSelectionDialog in single selection mode)
        Field field = FilteredItemsSelectionDialog.class.getDeclaredField("multi");
        field.setAccessible(true);
        field.set(resourceDialog, false);
    } catch (Throwable e) {
        //just ignore any error here
    }
    resourceDialog.setInitialPattern("manage.py");
    resourceDialog.setMessage(message);
    return resourceDialog;
}