use of com.vaadin.flow.internal.change.MapPutChange in project flow by vaadin.
the class StateNodeTest method assertCollectChanges_initiallyInactive.
private void assertCollectChanges_initiallyInactive(StateNode stateNode, ElementPropertyMap properties, Consumer<Boolean> activityUpdater) {
VisibilityData visibility = stateNode.getFeature(VisibilityData.class);
activityUpdater.accept(false);
// activity updater may modify visibility of the node itself or its
// ancestor. The number of changes will depend on whether the subject
// node is visible or not
boolean visibilityChanged = !visibility.isVisible();
properties.setProperty("foo", "bar");
TestStateTree tree = (TestStateTree) stateNode.getOwner();
tree.dirtyNodes.clear();
List<NodeChange> changes = new ArrayList<>();
stateNode.collectChanges(changes::add);
if (visibilityChanged) {
Assert.assertEquals(0, tree.dirtyNodes.size());
} else {
// the target node should be marked as dirty because it's visible
// but its parent is inactive
Assert.assertEquals(1, tree.dirtyNodes.size());
tree.dirtyNodes.contains(stateNode);
}
Assert.assertEquals(visibilityChanged ? 3 : 2, changes.size());
// node is attached event
Assert.assertThat(changes.get(0), CoreMatchers.instanceOf(NodeAttachChange.class));
// tag update (ElementData is reported feature) and possible visibility
// update
Assert.assertThat(changes.get(1), CoreMatchers.instanceOf(MapPutChange.class));
MapPutChange change = (MapPutChange) changes.get(1);
MapPutChange tagChange;
if (visibilityChanged) {
Assert.assertThat(changes.get(2), CoreMatchers.instanceOf(MapPutChange.class));
tagChange = change.getFeature().equals(ElementData.class) ? change : (MapPutChange) changes.get(2);
change = tagChange.equals(change) ? (MapPutChange) changes.get(2) : change;
} else {
tagChange = (MapPutChange) changes.get(1);
}
Assert.assertEquals(Element.get(stateNode).getTag(), tagChange.getValue());
if (visibilityChanged) {
Assert.assertEquals(Boolean.FALSE, change.getValue());
}
changes.clear();
// now the node becomes active and should send all values from all
// features (including values that has not been sent previously).
activityUpdater.accept(true);
properties.setProperty("baz", "foo");
stateNode.collectChanges(changes::add);
Assert.assertEquals(visibilityChanged ? 3 : 2, changes.size());
// node is attached event
// property updates and possible visibility update
Assert.assertThat(changes.get(1), CoreMatchers.instanceOf(MapPutChange.class));
Optional<MapPutChange> visibilityChange = changes.stream().filter(MapPutChange.class::isInstance).map(MapPutChange.class::cast).filter(chang -> chang.getFeature().equals(VisibilityData.class)).findFirst();
if (visibilityChanged) {
Assert.assertTrue(visibilityChange.isPresent());
Assert.assertTrue((Boolean) visibilityChange.get().getValue());
changes.remove(visibilityChange.get());
}
Optional<MapPutChange> fooUpdate = changes.stream().filter(MapPutChange.class::isInstance).map(MapPutChange.class::cast).filter(chang -> chang.getKey().equals("foo")).findFirst();
Assert.assertTrue(fooUpdate.isPresent());
Assert.assertEquals("bar", fooUpdate.get().getValue());
changes.remove(fooUpdate.get());
change = (MapPutChange) changes.get(0);
Assert.assertEquals("foo", change.getValue());
Assert.assertEquals("baz", change.getKey());
// Don't make any changes, check that there are no changes collected
changes.clear();
stateNode.collectChanges(changes::add);
Assert.assertEquals(0, changes.size());
}
use of com.vaadin.flow.internal.change.MapPutChange in project flow by vaadin.
the class ElementDataTest method collectChanges_setPayloadOnly_onlyOneChange.
@Test
public void collectChanges_setPayloadOnly_onlyOneChange() {
JsonObject object = Json.createObject();
elementData.setPayload(object);
List<NodeChange> changes = new ArrayList<>();
elementData.collectChanges(changes::add);
Assert.assertEquals(1, changes.size());
Assert.assertTrue(changes.get(0) instanceof MapPutChange);
MapPutChange change = (MapPutChange) changes.get(0);
Assert.assertEquals(NodeProperties.PAYLOAD, change.getKey());
Assert.assertEquals(elementData.getNode(), change.getNode());
Assert.assertEquals(object, change.getValue());
}
use of com.vaadin.flow.internal.change.MapPutChange in project flow by vaadin.
the class ElementDataTest method collectChanges_setBothTagAndPayload_twoChanges.
@Test
public void collectChanges_setBothTagAndPayload_twoChanges() {
JsonObject object = Json.createObject();
elementData.setPayload(object);
elementData.setTag("foo");
List<NodeChange> changes = new ArrayList<>();
elementData.collectChanges(changes::add);
Assert.assertEquals(2, changes.size());
Assert.assertTrue(changes.get(0) instanceof MapPutChange);
Assert.assertTrue(changes.get(1) instanceof MapPutChange);
MapPutChange change = (MapPutChange) changes.get(0);
Assert.assertEquals(NodeProperties.TAG, change.getKey());
Assert.assertEquals(elementData.getNode(), change.getNode());
Assert.assertEquals("foo", change.getValue());
change = (MapPutChange) changes.get(1);
Assert.assertEquals(NodeProperties.PAYLOAD, change.getKey());
Assert.assertEquals(elementData.getNode(), change.getNode());
Assert.assertEquals(object, change.getValue());
}
use of com.vaadin.flow.internal.change.MapPutChange in project flow by vaadin.
the class ElementDataTest method collectChanges_setTagOnly_onlyOneChange.
@Test
public void collectChanges_setTagOnly_onlyOneChange() {
elementData.setTag("foo");
List<NodeChange> changes = new ArrayList<>();
elementData.collectChanges(changes::add);
Assert.assertEquals(1, changes.size());
Assert.assertTrue(changes.get(0) instanceof MapPutChange);
MapPutChange change = (MapPutChange) changes.get(0);
Assert.assertEquals(NodeProperties.TAG, change.getKey());
Assert.assertEquals(elementData.getNode(), change.getNode());
Assert.assertEquals("foo", change.getValue());
}
use of com.vaadin.flow.internal.change.MapPutChange in project flow by vaadin.
the class ElementData method collectChanges.
@Override
public void collectChanges(Consumer<NodeChange> collector) {
List<NodeChange> changes = new ArrayList<>(1);
super.collectChanges(changes::add);
Serializable[] previousValue;
Serializable tracker = getNode().getChangeTracker(this, () -> null);
if (tracker instanceof Serializable[]) {
previousValue = (Serializable[]) tracker;
} else {
previousValue = new Serializable[2];
}
NodeChange change = changes.get(0);
if (change instanceof MapPutChange) {
if (!Objects.equals(previousValue[0], getTag())) {
collector.accept(new MapPutChange(this, getKey(), getTag()));
}
if (!Objects.equals(previousValue[1], getPayload())) {
collector.accept(new MapPutChange(this, NodeProperties.PAYLOAD, getPayload()));
}
} else if (change instanceof EmptyChange) {
collector.accept(change);
}
}
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