Examples with DomListenerRegistration com.vaadin.flow.dom.DomListenerRegistration used on opensource projects

Example 16 with DomListenerRegistration

use of com.vaadin.flow.dom.DomListenerRegistration in project flow by vaadin.

the class ElementListenersTest method synchronizeProperty_alwaysMode.

@Test
public void synchronizeProperty_alwaysMode() {
    DomListenerRegistration registration = ns.add("foo", noOp).setDisabledUpdateMode(DisabledUpdateMode.ALWAYS);
    registration.synchronizeProperty("name");
    Assert.assertSame(DisabledUpdateMode.ALWAYS, ns.getPropertySynchronizationMode("name"));
}

Example 17 with DomListenerRegistration

use of com.vaadin.flow.dom.DomListenerRegistration in project flow by vaadin.

the class ElementListenersTest method addEventDataElement_eventTarget_usesMapEventTargetInstead.

@Test
public void addEventDataElement_eventTarget_usesMapEventTargetInstead() {
    Element parent = new Element("parent");
    Element child = new Element("child");
    parent.appendChild(child);
    new StateTree(new UI().getInternals(), ElementChildrenList.class).getUI().getElement().appendChild(parent);
    final String eventType = "click";
    AtomicReference<DomEvent> capturedTarget = new AtomicReference<>();
    final DomListenerRegistration registration = parent.addEventListener(eventType, capturedTarget::set);
    final ElementListenerMap listenerMap = parent.getNode().getFeature(ElementListenerMap.class);
    registration.addEventDataElement("event.target");
    Set<String> expressions = getExpressions(listenerMap, eventType);
    Assert.assertEquals(1, expressions.size());
    Assert.assertEquals(JsonConstants.MAP_STATE_NODE_EVENT_DATA, expressions.iterator().next());
    final JsonObject eventData = Json.createObject();
    eventData.put(JsonConstants.MAP_STATE_NODE_EVENT_DATA, child.getNode().getId());
    listenerMap.fireEvent(new DomEvent(parent, eventType, eventData));
    Assert.assertEquals(child, capturedTarget.get().getEventTarget().get());
    Assert.assertEquals(child, capturedTarget.get().getEventDataElement("event.target").get());
}