Hi,
as far as I can see a GWT Tree has no ValueChangeHandler by default (for
modifying elements in the tree).
Therefore I'm trying to extend the Tree and add a ValueChangeHandlermy myself.
But it never get's called:
class MyTree extends Tree implements ValueChangeHandler<String> {
//never gets called
@Override
public void onValueChange(ValueChangeEvent<String> event) {
System.out.println("value changed");
}
}
What's wrong here?
I'm changing the trees' content with:
@UiBinder
TextBox box;
@UiBinder
Button save;
@UiHandler("save") {
void onSave(ClickEvent evt) {
tree.getSelectedItem().setText(box.getText());
}
>From debugging I can see that the value in the tree items is already
changed by this! But it is not reflected in the tree in GUI. So I probably
have to write something in the onChangeHandler to update the tree visually.
But as I said, onValueChange never gets called...
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