Examples with Subscription io.jmix.core.common.event.Subscription used on opensource projects

Example 11 with Subscription

use of io.jmix.core.common.event.Subscription in project jmix by jmix-framework.

the class OptionsListDsTest method testUnsubscribeSubscribeComponentListener.

@Test
public void testUnsubscribeSubscribeComponentListener() {
    OptionsList optionsList = uiComponents.create(OptionsList.NAME);
    Datasource<Role> roleDs = createTestDatasource(Role.class);
    roleDs.getItem().setType(RoleType.DENYING);
    optionsList.setDatasource(roleDs, "type");
    optionsList.setDatasource(null, null);
    // datasource before listener
    optionsList.setDatasource(roleDs, "type");
    boolean[] valueWasChanged = { false };
    Consumer<HasValue.ValueChangeEvent> listener = e -> valueWasChanged[0] = true;
    Subscription subscription = optionsList.addValueChangeListener(listener);
    roleDs.getItem().setType(RoleType.READONLY);
    assertTrue(valueWasChanged[0]);
    // reset state
    valueWasChanged[0] = false;
    subscription.remove();
    optionsList.setDatasource(null, null);
    optionsList.setValue(null);
    // listener before datasource
    optionsList.addValueChangeListener(listener);
    optionsList.setDatasource(roleDs, "type");
    assertTrue(valueWasChanged[0]);
}

Example 12 with Subscription

use of io.jmix.core.common.event.Subscription in project jmix by jmix-framework.

the class LookupFieldTest method testValueChangeListener.

@Test
public void testValueChangeListener() {
    LookupField component = create(LookupField.class);
    final AtomicInteger counter = new AtomicInteger(0);
    // noinspection unchecked
    Datasource<User> testDs = new DsBuilder().setId("testDs").setJavaClass(User.class).setView(viewRepository.getFetchPlan(User.class, FetchPlan.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.getFetchPlan(Group.class, FetchPlan.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);
    Consumer<HasValue.ValueChangeEvent> listener1 = e -> {
        assertNull(e.getPrevValue());
        assertEquals(g2, e.getValue());
        counter.addAndGet(1);
    };
    Subscription subscription = component.addValueChangeListener(listener1);
    component.setValue(g2);
    subscription.remove();
    assertEquals(1, counter.get());
    Consumer<HasValue.ValueChangeEvent> listener2 = e -> {
        assertEquals(g2, e.getPrevValue());
        assertEquals(g, e.getValue());
        counter.addAndGet(1);
    };
    subscription = component.addValueChangeListener(listener2);
    component.setDatasource(testDs, "group");
    assertEquals(g, component.getValue());
    assertEquals(2, counter.get());
    subscription.remove();
    component.setValue(g1);
    assertEquals(g1, testDs.getItem().getGroup());
    assertEquals(2, counter.get());
    Consumer<HasValue.ValueChangeEvent> 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 Subscription

use of io.jmix.core.common.event.Subscription in project jmix by jmix-framework.

the class OptionsGroupTest method testValueChangeListener.

@Test
public void testValueChangeListener() {
    OptionsGroup component = create(OptionsGroup.class);
    final AtomicInteger counter = new AtomicInteger(0);
    assertNull(component.getValue());
    Consumer<HasValue.ValueChangeEvent> listener1 = e -> {
        assertNull(e.getPrevValue());
        assertEquals("Two", e.getValue());
        counter.addAndGet(1);
    };
    Subscription subscription = component.addValueChangeListener(listener1);
    component.setOptionsList(new ArrayList<>(Arrays.asList("One", "Two", "Three")));
    component.setValue("Two");
    subscription.remove();
    assertEquals(1, counter.get());
    Consumer<HasValue.ValueChangeEvent> listener2 = e -> {
        assertEquals("Two", e.getPrevValue());
        assertEquals("One", e.getValue());
        counter.addAndGet(1);
    };
    subscription = component.addValueChangeListener(listener2);
    component.setValue("One");
    assertEquals("One", component.getValue());
    assertEquals(2, counter.get());
    subscription.remove();
    Consumer<HasValue.ValueChangeEvent> listener3 = e -> {
        assertEquals("One", e.getPrevValue());
        assertEquals("Three", e.getValue());
        counter.addAndGet(1);
    };
    component.addValueChangeListener(listener3);
    component.setValue("Three");
    assertEquals(3, counter.get());
}

Example 14 with Subscription

use of io.jmix.core.common.event.Subscription in project jmix by jmix-framework.

the class PickerFieldDsTest method testUnsubscribeSubscribeComponentListener.

@Test
public void testUnsubscribeSubscribeComponentListener() {
    PickerField pickerField = uiComponents.create(PickerField.NAME);
    Datasource<User> userDs = createTestDatasource(User.class);
    User user = userDs.getItem();
    Group group = metadata.create(Group.class);
    group.setName("Test group");
    user.setGroup(group);
    pickerField.setDatasource(userDs, "group");
    // unbind
    pickerField.setDatasource(null, null);
    // setup
    boolean[] valueWasChanged = { false };
    Consumer<HasValue.ValueChangeEvent> listener = e -> valueWasChanged[0] = true;
    // datasource before listener
    pickerField.setDatasource(userDs, "group");
    Subscription subscription = pickerField.addValueChangeListener(listener);
    user.setGroup(null);
    assertTrue(valueWasChanged[0]);
    // reset state
    pickerField.setDatasource(null, null);
    subscription.remove();
    valueWasChanged[0] = false;
    user.setGroup(metadata.create(Group.class));
    // listener before datasource
    pickerField.addValueChangeListener(listener);
    pickerField.setDatasource(userDs, "group");
    assertTrue(valueWasChanged[0]);
}

Example 15 with Subscription

use of io.jmix.core.common.event.Subscription in project jmix by jmix-framework.

the class TextFieldDsTest method testUnsubscribeSubscribeComponentListener.

@Test
public void testUnsubscribeSubscribeComponentListener() {
    TextField textField = uiComponents.create(TextField.NAME);
    Datasource<User> userDs = createTestDatasource(User.class);
    User user = userDs.getItem();
    user.setName("testName");
    textField.setDatasource(userDs, "name");
    // unbind
    textField.setDatasource(null, null);
    // setup
    boolean[] valueWasChanged = { false };
    Consumer<HasValue.ValueChangeEvent> listener = e -> valueWasChanged[0] = true;
    // datasource before listener
    textField.setDatasource(userDs, "name");
    Subscription subscription = textField.addValueChangeListener(listener);
    user.setName("anotherName");
    assertTrue(valueWasChanged[0]);
    // reset state
    subscription.remove();
    textField.setDatasource(null, null);
    valueWasChanged[0] = false;
    textField.setValue("testName");
    // listener before datasource
    textField.addValueChangeListener(listener);
    textField.setDatasource(userDs, "name");
    assertTrue(valueWasChanged[0]);
}