package com.vaadin.tests.components.combobox;
import java.util.ArrayList;
import java.util.List;
import com.vaadin.tests.components.TestBase;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.Label;
public class ComboBoxValueUpdate extends TestBase {
@Override
protected Integer getTicketNumber() {
return 2451;
}
@Override
protected String getDescription() {
return "Testcase for ComboBox. Test especially edge values(of page changes) when selecting items with keyboard only.";
}
@Override
protected void setup() {
List<String> items = new ArrayList<>();
for (int i = 0; i < 100; i++) {
items.add("item " + i);
}
ComboBox<String> select = new ComboBox<>("", items);
final Label value = new Label();
select.addValueChangeListener(event -> {
System.err.println("Selected " + event.getValue());
value.setValue("Selected " + event.getValue());
});
getLayout().addComponent(select);
getLayout().addComponent(value);
}
}