Thank you very much Y2i.
I´ve got it solved. For users with the same problem:
The problem was int he logic that you have to handle in the getValue method
of the column.
MyModel has a Boolean field used to represent whether the checkbox should be
checked or not in the first presentation of the table. The table has to
behave like this:
- If the checkbox IS not selected and you click it, then the row becomes
selected and the checkbox clicked.
- If the checkbox IS NOT selected and you click it, then the checkbox
becomes clicked (the state of the row remains unchanged, i.e. unselected).
So the logic to handle this:
Column<MyModel , Boolean> checkColumn = new Column<MyModel, Boolean>(new
CheckboxCell(true,false)) {
@Override
public Boolean getValue(MyModel myModel) {
if(selectionModel.isSelected(myModel) && myModel.isValid()) {
myModel.setValid(false);
selectionModel.setSelected(myModel, false);
}
return selectionModel.isSelected(myModel) || myModel.isValid();
}
};
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