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

Example 1 with DomEvent

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

the class ElementListenersTest method testEventDataInEvent.

@Test
public void testEventDataInEvent() {
    AtomicReference<JsonObject> eventDataReference = new AtomicReference<>();
    ns.add("foo", e -> {
        Assert.assertNull(eventDataReference.get());
        eventDataReference.set(e.getEventData());
    }, new String[0]);
    Assert.assertNull(eventDataReference.get());
    JsonObject eventData = Json.createObject();
    eventData.put("baz", true);
    ns.fireEvent(new DomEvent(new Element("element"), "foo", eventData));
    JsonObject capturedJson = eventDataReference.get();
    Assert.assertNotNull(capturedJson);
    Assert.assertEquals(1, capturedJson.keys().length);
    Assert.assertEquals("true", capturedJson.get("baz").toJson());
}

Example 2 with DomEvent

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

the class EventRpcHandler method handleNode.

@Override
public Optional<Runnable> handleNode(StateNode node, JsonObject invocationJson) {
    assert invocationJson.hasKey(JsonConstants.RPC_EVENT_TYPE);
    String eventType = invocationJson.getString(JsonConstants.RPC_EVENT_TYPE);
    JsonObject eventData = invocationJson.getObject(JsonConstants.RPC_EVENT_DATA);
    if (eventData == null) {
        eventData = Json.createObject();
    }
    DomEvent event = new DomEvent(Element.get(node), eventType, eventData);
    node.getFeature(ElementListenerMap.class).fireEvent(event);
    return Optional.empty();
}

Example 3 with DomEvent

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

the class ElementListenersTest method implicitlyDisabledElement_listenerDoesntReceiveEvent.

@Test
public void implicitlyDisabledElement_listenerDoesntReceiveEvent() {
    AtomicInteger eventCount = new AtomicInteger();
    ns.add("foo", e -> eventCount.incrementAndGet());
    Assert.assertEquals(0, eventCount.get());
    DomEvent event = createEvent("foo");
    Element parent = new Element("parent");
    parent.appendChild(event.getSource());
    parent.setEnabled(false);
    ns.fireEvent(event);
    Assert.assertEquals(0, eventCount.get());
}

Example 4 with DomEvent

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

the class ElementListenersTest method addEventDataElement_targetNodeInJsonData_elementMapped.

@Test
public void addEventDataElement_targetNodeInJsonData_elementMapped() {
    Element parent = new Element("parent");
    Element child = new Element("child");
    Element sibling = new Element("sibling");
    parent.appendChild(child);
    new StateTree(new UI().getInternals(), ElementChildrenList.class).getUI().getElement().appendChild(parent, sibling);
    final String eventType = "click";
    final String expression = "expression";
    final String key = JsonConstants.MAP_STATE_NODE_EVENT_DATA + expression;
    AtomicReference<DomEvent> capturedTarget = new AtomicReference<>();
    final DomListenerRegistration registration = parent.addEventListener(eventType, capturedTarget::set);
    final ElementListenerMap listenerMap = parent.getNode().getFeature(ElementListenerMap.class);
    Set<String> expressions = getExpressions(listenerMap, eventType);
    Assert.assertEquals(0, expressions.size());
    registration.addEventDataElement(expression);
    expressions = getExpressions(listenerMap, eventType);
    Assert.assertEquals(1, expressions.size());
    Assert.assertEquals(key, expressions.iterator().next());
    final JsonObject eventData = Json.createObject();
    eventData.put(key, child.getNode().getId());
    listenerMap.fireEvent(new DomEvent(parent, eventType, eventData));
    Assert.assertEquals(child, capturedTarget.get().getEventDataElement(expression).get());
    // nothing reported -> empty optional
    listenerMap.fireEvent(new DomEvent(parent, eventType, Json.createObject()));
    Assert.assertFalse("no element should be reported", capturedTarget.get().getEventDataElement(expression).isPresent());
    // sibling
    eventData.put(key, sibling.getNode().getId());
    listenerMap.fireEvent(new DomEvent(parent, eventType, eventData));
    Assert.assertEquals(sibling, capturedTarget.get().getEventDataElement(expression).get());
}

Example 5 with DomEvent

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

the class ElementListenersTest method eventDataKeyNotPresentNotFail.

@Test
public void eventDataKeyNotPresentNotFail() {
    AtomicInteger eventCount = new AtomicInteger();
    DomListenerRegistration registration = ns.add("foo", e -> eventCount.incrementAndGet());
    registration.setFilter("filterKey");
    ns.fireEvent(createEvent("foo"));
    Assert.assertEquals(0, eventCount.get());
    JsonObject eventData = Json.createObject();
    eventData.put("filterKey", true);
    ns.fireEvent(new DomEvent(new Element("element"), "foo", eventData));
    Assert.assertEquals(1, eventCount.get());
}