/*
* Copyright 2000-2014 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.tests.components.combobox;
import com.vaadin.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUI;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.Label;
public class ComboBoxSetNullWhenNewItemsAllowed extends AbstractTestUI {
@Override
protected void setup(VaadinRequest request) {
final ComboBox comboBox = new ComboBox("My ComboBox");
comboBox.setImmediate(true);
comboBox.setNullSelectionAllowed(false);
comboBox.setNewItemsAllowed(true);
for (int i = 0; i < 10; i++) {
comboBox.addItem("Item " + i);
}
final Label value = new Label("Selected: ");
comboBox.addValueChangeListener(new Property.ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
if (comboBox.getValue() != null) {
comboBox.setValue(null);
value.setValue("Selected: " + (String) comboBox.getValue());
}
}
});
addComponent(comboBox);
addComponent(value);
}
@Override
protected String getTestDescription() {
return "ComboBox should clear its value when setting to null with new items.";
}
@Override
protected Integer getTicketNumber() {
return 13413;
}
}