Updating current selection in SingleSelectionModel in response to changes to

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Slava Imeshev

Dec 11, 2021, 7:35:04 PM12/11/21
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I thought my use case was fairly simple:

1. User selects a row in CellTable.
2. User makes modifications to the selection returned by selectionModel.getSelectedObject()
3. User updates the selected row with dataProvider.getList().set(i, newObjectSameKey)
4. Use case restarts at #2.


// Fields 
private final ListDataProvider<T> dataProvider;

private final SingleSelectionModel<T> selectionModel;

// Problem - returns the 'old' cached object after dataProvider.getList().set(i, newObjectSameKey)
return selectionModel.getSelectedObject();


The challenge is that even though the given row remains selected, and is correctly re-rendered after #3, requesting selectionModel.getSelectedObject() returns the previous, before-the-update object.

I did look at the code and does look like SingleSelectionModel responds only to user input.

Is there a way to fix/augment it? Or selection model is just not fit for retrieving the currently selected object that was modified via ListDataProvider?



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