Examples with CollectionDatasource com.haulmont.cuba.gui.data.CollectionDatasource used on opensource projects

Example 11 with CollectionDatasource

use of com.haulmont.cuba.gui.data.CollectionDatasource in project cuba by cuba-platform.

the class TokenListLoader method loadDatasource.

protected void loadDatasource(TokenList component, Element element) {
    final String datasource = element.attributeValue("datasource");
    if (!StringUtils.isEmpty(datasource)) {
        CollectionDatasource ds = (CollectionDatasource) context.getDsContext().get(datasource);
        if (ds == null) {
            throw new GuiDevelopmentException(String.format("Datasource '%s' is not defined", datasource), context.getFullFrameId());
        }
        component.setDatasource(ds);
    }
}

Example 12 with CollectionDatasource

use of com.haulmont.cuba.gui.data.CollectionDatasource in project cuba by cuba-platform.

the class LookupPickerFieldTest method testValueChangeListener.

@Test
public void testValueChangeListener() {
    LookupPickerField component = factory.createComponent(LookupPickerField.class);
    final AtomicInteger counter = new AtomicInteger(0);
    // noinspection unchecked
    Datasource<User> testDs = new DsBuilder().setId("testDs").setJavaClass(User.class).setView(viewRepository.getView(User.class, View.LOCAL)).buildDatasource();
    testDs.setItem(new User());
    ((DatasourceImpl) testDs).valid();
    assertNull(component.getValue());
    final Group g = new Group();
    testDs.getItem().setGroup(g);
    // noinspection unchecked
    CollectionDatasource<Group, UUID> groupsDs = new DsBuilder().setId("testDs").setJavaClass(Group.class).setView(viewRepository.getView(Group.class, View.LOCAL)).setRefreshMode(CollectionDatasource.RefreshMode.NEVER).setAllowCommit(false).buildCollectionDatasource();
    groupsDs.includeItem(g);
    Group g1 = new Group();
    groupsDs.includeItem(g1);
    Group g2 = new Group();
    groupsDs.includeItem(g2);
    component.setOptionsDatasource(groupsDs);
    Component.ValueChangeListener listener1 = e -> {
        assertNull(e.getPrevValue());
        assertEquals(g2, e.getValue());
        counter.addAndGet(1);
    };
    component.addValueChangeListener(listener1);
    component.setValue(g2);
    component.removeValueChangeListener(listener1);
    assertEquals(1, counter.get());
    Component.ValueChangeListener listener2 = e -> {
        assertEquals(g2, e.getPrevValue());
        assertEquals(g, e.getValue());
        counter.addAndGet(1);
    };
    component.addValueChangeListener(listener2);
    component.setDatasource(testDs, "group");
    assertEquals(g, component.getValue());
    assertEquals(2, counter.get());
    component.removeValueChangeListener(listener2);
    component.setValue(g1);
    assertEquals(g1, testDs.getItem().getGroup());
    assertEquals(2, counter.get());
    Component.ValueChangeListener listener3 = e -> {
        assertEquals(g1, e.getPrevValue());
        assertEquals(g2, e.getValue());
        counter.addAndGet(1);
    };
    component.addValueChangeListener(listener3);
    testDs.getItem().setGroup(g2);
    assertEquals(g2, component.getValue());
    assertEquals(3, counter.get());
}

Example 13 with CollectionDatasource

use of com.haulmont.cuba.gui.data.CollectionDatasource in project cuba by cuba-platform.

the class LookupFieldDsTest method testOptionsDsUnsubscribe.

@Test
public void testOptionsDsUnsubscribe() {
    LookupField lookupField = factory.createComponent(LookupField.class);
    CollectionDatasource<Group, UUID> groupsDs = getTestCollectionDatasource();
    lookupField.setOptionsDatasource(groupsDs);
    List<Group> groups = new ArrayList<>(groupsDs.getItems());
    Datasource<User> userDs = getTestUserDatasource();
    userDs.getItem().setGroup(groups.get(0));
    lookupField.setDatasource(userDs, "group");
    // unbind
    lookupField.setOptionsDatasource(null);
    Datasource.ItemChangeListener<Group> itemChangeListener = e -> {
        throw new RuntimeException("Value was changed externally");
    };
    groupsDs.addItemChangeListener(itemChangeListener);
    lookupField.setValue(groups.get(1));
}

Example 14 with CollectionDatasource

use of com.haulmont.cuba.gui.data.CollectionDatasource in project cuba by cuba-platform.

the class LookupFieldDsTest method testUnsubscribeDsListener.

@Test
public void testUnsubscribeDsListener() {
    LookupField lookupField = factory.createComponent(LookupField.class);
    CollectionDatasource<Group, UUID> groupsDs = getTestCollectionDatasource();
    lookupField.setOptionsDatasource(groupsDs);
    Datasource<User> userDs = getTestUserDatasource();
    Group group = groupsDs.getItems().iterator().next();
    userDs.getItem().setGroup(group);
    lookupField.setDatasource(userDs, "group");
    // unbind
    lookupField.setDatasource(null, null);
    Datasource.ItemPropertyChangeListener<User> propertyChangeListener = e -> {
        throw new RuntimeException("Value was changed externally");
    };
    userDs.addItemPropertyChangeListener(propertyChangeListener);
    lookupField.setValue(metadata.create(Group.class));
}

Example 15 with CollectionDatasource

use of com.haulmont.cuba.gui.data.CollectionDatasource in project cuba by cuba-platform.

the class LookupFieldDsTest method testValueChangeListener.

@Test
public void testValueChangeListener() {
    LookupField lookupField = factory.createComponent(LookupField.class);
    CollectionDatasource<Group, UUID> groupsDs = getTestCollectionDatasource();
    lookupField.setOptionsDatasource(groupsDs);
    List<Group> groups = new ArrayList<>(groupsDs.getItems());
    Datasource<User> userDs = getTestUserDatasource();
    User user = userDs.getItem();
    user.setGroup(groups.get(0));
    boolean[] valueWasChanged = { false };
    Component.ValueChangeListener listener = e -> valueWasChanged[0] = true;
    lookupField.addValueChangeListener(listener);
    lookupField.setDatasource(userDs, "group");
    assertEquals(true, valueWasChanged[0]);
}