package com.vaadin.tests.components.abstractfield;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
import com.vaadin.data.Container;
import com.vaadin.data.Item;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.server.VaadinSession;
import com.vaadin.tests.components.TestBase;
import com.vaadin.tests.util.Log;
import com.vaadin.ui.AbstractField;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.Component;
public abstract class AbstractComponentDataBindingTest extends TestBase
implements ValueChangeListener {
private static final Object CAPTION = "CAPTION";
private Log log = new Log(5);
private ComboBox localeSelect;
@Override
protected void setup() {
addComponent(log);
localeSelect = createLocaleSelect();
addComponent(localeSelect);
// Causes fields to be created
localeSelect.setValue(Locale.US);
}
private ComboBox createLocaleSelect() {
ComboBox cb = new ComboBox("Locale");
cb.addContainerProperty(CAPTION, String.class, "");
cb.setItemCaptionPropertyId(CAPTION);
cb.setNullSelectionAllowed(false);
for (Locale l : Locale.getAvailableLocales()) {
Item i = cb.addItem(l);
i.getItemProperty(CAPTION).setValue(
l.getDisplayName(Locale.ENGLISH));
}
((Container.Sortable) cb.getContainerDataSource()).sort(
new Object[] { CAPTION }, new boolean[] { true });
cb.setImmediate(true);
cb.addListener(new ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
updateLocale((Locale) localeSelect.getValue());
}
});
return cb;
}
protected void updateLocale(Locale locale) {
VaadinSession.getCurrent().setLocale(locale);
for (Component c : fields) {
removeComponent(c);
}
fields.clear();
createFields();
}
protected abstract void createFields();
private Set<Component> fields = new HashSet<Component>();
@Override
protected void addComponent(Component c) {
super.addComponent(c);
if (c instanceof AbstractField) {
configureField((AbstractField<?>) c);
if (c != localeSelect) {
fields.add(c);
}
}
}
protected void configureField(AbstractField<?> field) {
field.setImmediate(true);
field.addListener(this);
}
@Override
protected String getDescription() {
return "";
}
@Override
protected Integer getTicketNumber() {
return null;
}
@Override
public void valueChange(ValueChangeEvent event) {
AbstractField field = (AbstractField) event.getProperty();
// if (field == localeSelect) {
// return;
// }
Object newValue = field.getValue();
if (newValue != null) {
newValue = newValue + " (" + newValue.getClass().getName() + ")";
}
String message = "Value of " + field.getCaption() + " changed to "
+ newValue + ".";
if (field.getPropertyDataSource() != null) {
Object dataSourceValue = field.getPropertyDataSource().getValue();
message += "Data model value is " + dataSourceValue;
message += " (" + field.getPropertyDataSource().getType().getName()
+ ")";
}
log.log(message);
}
}