Examples with LookupPickerField com.haulmont.cuba.gui.components.LookupPickerField used on opensource projects

Example 11 with LookupPickerField

use of com.haulmont.cuba.gui.components.LookupPickerField in project cuba by cuba-platform.

the class LookupPickerFieldDsTest method testValueChangeListener.

@Test
public void testValueChangeListener() {
    LookupPickerField component = uiComponents.create(LookupPickerField.NAME);
    CollectionDatasource<Group, UUID> groupsDs = getTestCollectionDatasource();
    component.setOptionsDatasource(groupsDs);
    List<Group> groups = new ArrayList<>(groupsDs.getItems());
    Datasource<User> userDs = getTestUserDatasource();
    User user = userDs.getItem();
    user.setGroup(groups.get(0));
    // listener before datasource
    boolean[] valueWasChanged = { false };
    Consumer<HasValue.ValueChangeEvent> listener = e -> valueWasChanged[0] = true;
    component.addValueChangeListener(listener);
    component.setDatasource(userDs, "group");
    assertEquals(true, valueWasChanged[0]);
    // reset state
    valueWasChanged[0] = false;
    component.removeValueChangeListener(listener);
    component.setDatasource(null, null);
    // datasource before listener
    component.setDatasource(userDs, "group");
    component.addValueChangeListener(listener);
    user.setGroup(null);
    assertEquals(true, valueWasChanged[0]);
}