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package com.vaadin.tests.tickets;
import com.vaadin.LegacyApplication;
import com.vaadin.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.Notification;
import com.vaadin.ui.UI.LegacyWindow;
import com.vaadin.ui.TextField;
public class Ticket2038 extends LegacyApplication {
@Override
public void init() {
final LegacyWindow w = new LegacyWindow("Testing for #2038");
setMainWindow(w);
final TextField tf = new TextField(
"Test-field, enter someting and click outside the field to activate");
tf.setRequired(true);
tf.setImmediate(true);
tf.addListener(new Property.ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
w.showNotification("TextField is " + (tf.isValid() ? "" : "in")
+ "valid, with error: " + tf.getErrorMessage(),
Notification.TYPE_WARNING_MESSAGE);
}
});
w.addComponent(tf);
final CheckBox b = new CheckBox(
"Field should use error message. (!) should be shown when invalid.",
false);
w.addComponent(b);
b.setImmediate(true);
b.addListener(new Property.ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
tf.setRequiredError((Boolean) b.getValue() ? "Field must not be empty"
: null);
}
});
}
}
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