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

Example 16 with Subscription

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

the class TextFieldDsTest method testValueChangeListener.

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

Example 17 with Subscription

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

the class DateFieldTest method testValueChangeListener.

@Test
public void testValueChangeListener() throws ParseException {
    DateField component = create(DateField.class);
    AtomicInteger counter = new AtomicInteger(0);
    Date value1 = new SimpleDateFormat("dd.MM.yyyy").parse("12.12.2000");
    Consumer<HasValue.ValueChangeEvent> okListener = e -> {
        assertNull(e.getPrevValue());
        assertEquals(value1, e.getValue());
        counter.addAndGet(1);
    };
    Subscription subscription = component.addValueChangeListener(okListener);
    component.setValue(value1);
    assertEquals(1, counter.get());
    subscription.remove();
    Date value2 = new SimpleDateFormat("dd.MM.yyyy").parse("10.10.2000");
    component.setValue(value2);
    assertEquals(1, counter.get());
    // 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();
    Consumer<HasValue.ValueChangeEvent> dsLoadListener = e -> {
        assertEquals(value2, e.getPrevValue());
        assertNull(e.getValue());
        counter.addAndGet(1);
    };
    subscription = component.addValueChangeListener(dsLoadListener);
    component.setDatasource(testDs, "createTs");
    assertEquals(2, counter.get());
    subscription.remove();
    Date value3 = new SimpleDateFormat("dd.MM.yyyy").parse("01.01.2000");
    Consumer<HasValue.ValueChangeEvent> dsListener = e -> {
        assertNull(e.getPrevValue());
        assertEquals(value3, e.getValue());
        counter.addAndGet(1);
    };
    component.addValueChangeListener(dsListener);
    testDs.getItem().setCreateTs(value3);
    assertEquals(3, counter.get());
}

Example 18 with Subscription

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

the class FilterDelegateImpl method addConditionListener.

protected void addConditionListener(AbstractCondition condition, Subscription current) {
    if (conditionListeners == null) {
        conditionListeners = new HashMap<>();
    }
    AbstractCondition.Listener listener = new AbstractCondition.Listener() {

        protected Subscription previous = current;

        @Override
        public void captionChanged() {
        // do nothing
        }

        @Override
        public void paramChanged(Param oldParam, Param newParam) {
            previous.remove();
            paramValueChangeSubscriptions.remove(previous);
            Subscription newSubscription = newParam.addParamValueChangeListener(event -> applyWithImmediateMode());
            paramValueChangeSubscriptions.add(newSubscription);
            previous = newSubscription;
            applyWithImmediateMode();
        }
    };
    condition.addListener(listener);
    conditionListeners.put(condition, listener);
}

Example 19 with Subscription

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

the class FilterDelegateImpl method subscribeToParamValueChangeEventRecursively.

protected void subscribeToParamValueChangeEventRecursively(List<Node<AbstractCondition>> conditions) {
    if (paramValueChangeSubscriptions == null) {
        paramValueChangeSubscriptions = new ArrayList<>();
    }
    for (Node<AbstractCondition> node : conditions) {
        AbstractCondition condition = node.getData();
        if (condition.isGroup()) {
            subscribeToParamValueChangeEventRecursively(node.getChildren());
        } else {
            Subscription subscription = condition.getParam().addParamValueChangeListener(event -> applyWithImmediateMode());
            paramValueChangeSubscriptions.add(subscription);
            addConditionListener(condition, subscription);
        }
    }
}

Example 20 with Subscription

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

the class CheckBoxDsTest method testUnsubscribeSubscribeComponentListener.

@Test
public void testUnsubscribeSubscribeComponentListener() {
    CheckBox checkBox = uiComponents.create(CheckBox.NAME);
    Datasource<User> userDs = createTestDatasource(User.class);
    User user = userDs.getItem();
    user.setActive(true);
    checkBox.setDatasource(userDs, "active");
    // unbind
    checkBox.setDatasource(null, null);
    // datasource before listener
    checkBox.setDatasource(userDs, "active");
    assertEquals(true, checkBox.getValue());
    boolean[] valueWasChanged = { false };
    Consumer listener = e -> valueWasChanged[0] = true;
    Subscription valueChangeListenerSub = checkBox.addValueChangeListener(listener);
    user.setActive(false);
    assertTrue(valueWasChanged[0]);
    assertEquals(false, checkBox.getValue());
    // reset state
    valueChangeListenerSub.remove();
    checkBox.setDatasource(null, null);
    valueWasChanged[0] = false;
    checkBox.setValue(true);
    // listener before datasource
    checkBox.addValueChangeListener(listener);
    checkBox.setDatasource(userDs, "active");
    assertTrue(valueWasChanged[0]);
    assertEquals(false, checkBox.getValue());
}