Listeditor reordering entry

Hi,

in my app I use a list editor, where i can  move entries up or down. The implementation is done in EditorSource like this:

public class MySource extends EditorSource<ItemEditor>{

        @Override
        public ItemEditor create(int index) {

            final ItemEditor itemeditor = new ItemEditor();

            container.insert(itemeditor, index);
     
            itemeditor.getUpHandler().addClickHandler(new ClickHandler() {
                @Override
                public void onClick(ClickEvent event) {
                    int index = container.getWidgetIndex(itemeditor);
                    if (index > 0) {
                        int to = index - 1;
                        // change position
                        Collections.swap(editor.getList(), index, to);
                    }
                }
            });

           //...

            return itemeditor;
        }
}

While changing the item position in the list, changes made in the items editor are lost and the values are the initial listitem backed datavalues.  I tried making my ItemEditor ValueAware and propagating changes to the data object being edited - but that didn't work.

How can i keep the changes while reordering items in  the list.

Thanks in advance,
Frank

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