Examples with CurrentRealm org.eclipse.jface.databinding.conformance.util.CurrentRealm used on opensource projects

Example 21 with CurrentRealm

use of org.eclipse.jface.databinding.conformance.util.CurrentRealm in project eclipse.platform.ui by eclipse-platform.

the class JavaBeanObservableValueTest method testSetBeanPropertyOutsideRealm_FiresEventInsideRealm.

@Test
public void testSetBeanPropertyOutsideRealm_FiresEventInsideRealm() {
    Bean bean = new Bean("old");
    CurrentRealm realm = new CurrentRealm(true);
    IObservableValue observable = BeansObservables.observeValue(realm, bean, "value");
    ValueChangeEventTracker tracker = ValueChangeEventTracker.observe(observable);
    realm.setCurrent(false);
    bean.setValue("new");
    assertEquals(0, tracker.count);
    realm.setCurrent(true);
    assertEquals(1, tracker.count);
    assertEquals(Diffs.createValueDiff("old", "new"), tracker.event.diff);
}

Example 22 with CurrentRealm

use of org.eclipse.jface.databinding.conformance.util.CurrentRealm in project eclipse.platform.ui by eclipse-platform.

the class JavaBeanPropertyObservableMapTest method testSetBeanProperty_CorrectForNullOldAndNewValues.

@Test
public void testSetBeanProperty_CorrectForNullOldAndNewValues() {
    // The java bean spec allows the old and new values in a
    // PropertyChangeEvent to be null, which indicates that an unknown
    // change occured.
    // This test ensures that JavaBeanObservableValue fires the correct
    // value diff even if the bean implementor is lazy :-P
    Bean bean = new AnnoyingBean();
    bean.setMap(Collections.singletonMap("key", "old"));
    IObservableMap map = BeansObservables.observeMap(new CurrentRealm(true), bean, "map");
    MapChangeEventTracker tracker = MapChangeEventTracker.observe(map);
    bean.setMap(Collections.singletonMap("key", "new"));
    assertEquals(1, tracker.count);
    assertEquals(Collections.EMPTY_SET, tracker.event.diff.getAddedKeys());
    assertEquals(Collections.singleton("key"), tracker.event.diff.getChangedKeys());
    assertEquals(Collections.EMPTY_SET, tracker.event.diff.getRemovedKeys());
    assertEquals("old", tracker.event.diff.getOldValue("key"));
    assertEquals("new", tracker.event.diff.getNewValue("key"));
}

Example 23 with CurrentRealm

use of org.eclipse.jface.databinding.conformance.util.CurrentRealm in project eclipse.platform.ui by eclipse-platform.

the class BeanValuePropertyTest method testChangeListenerIsOnlyNotifiedWhenWatchedPropertyChanges.

@Test
public void testChangeListenerIsOnlyNotifiedWhenWatchedPropertyChanges() throws Exception {
    GenericListenerBean bean = new GenericListenerBean();
    IValueProperty property = BeanProperties.value(GenericListenerBean.class, "value");
    class Listener implements IValueChangeListener {

        private int count = 0;

        @Override
        public void handleValueChange(ValueChangeEvent event) {
            count++;
        }
    }
    Listener listener = new Listener();
    IObservableValue observable = property.observe(new CurrentRealm(true), bean);
    observable.addValueChangeListener(listener);
    assertEquals(0, listener.count);
    bean.setValue("1");
    assertEquals(1, listener.count);
    bean.setOther("2");
    assertEquals(1, listener.count);
}

Example 24 with CurrentRealm

use of org.eclipse.jface.databinding.conformance.util.CurrentRealm in project eclipse.platform.ui by eclipse-platform.

the class JavaBeanObservableArrayBasedListTest method testSetBeanProperty_CorrectForNullOldAndNewValues.

@Test
public void testSetBeanProperty_CorrectForNullOldAndNewValues() {
    // The java bean spec allows the old and new values in a
    // PropertyChangeEvent to be null, which indicates that an unknown
    // change occured.
    // This test ensures that JavaBeanObservableValue fires the correct
    // value diff even if the bean implementor is lazy :-P
    Bean bean = new AnnoyingBean();
    bean.setArray(new Object[] { "old" });
    IObservableList observable = BeansObservables.observeList(new CurrentRealm(true), bean, "array");
    ListChangeEventTracker tracker = ListChangeEventTracker.observe(observable);
    bean.setArray(new Object[] { "new" });
    assertEquals(1, tracker.count);
    List list = new ArrayList();
    list.add("old");
    tracker.event.diff.applyTo(list);
    assertEquals(Collections.singletonList("new"), list);
}

Example 25 with CurrentRealm

use of org.eclipse.jface.databinding.conformance.util.CurrentRealm in project eclipse.platform.ui by eclipse-platform.

the class JavaBeanObservableArrayBasedListTest method testSetBeanPropertyOutsideRealm_FiresEventInsideRealm.

@Test
public void testSetBeanPropertyOutsideRealm_FiresEventInsideRealm() {
    Bean bean = new Bean(new Object[0]);
    CurrentRealm realm = new CurrentRealm(true);
    IObservableList observable = BeansObservables.observeList(realm, bean, "array");
    ListChangeEventTracker tracker = ListChangeEventTracker.observe(observable);
    realm.setCurrent(false);
    bean.setArray(new Object[] { "element" });
    assertEquals(0, tracker.count);
    realm.setCurrent(true);
    assertEquals(1, tracker.count);
    assertDiff(tracker.event.diff, Collections.EMPTY_LIST, Collections.singletonList("element"));
}