use of com.haulmont.cuba.gui.components.PickerField in project cuba by cuba-platform.
the class PickerFieldDsTest method testUnsubscribeWithDsListener.
@Test
public void testUnsubscribeWithDsListener() {
PickerField pickerField = (PickerField) factory.createComponent(PickerField.NAME);
Datasource<User> userDs = getTestUserDatasource();
Group group = metadata.create(Group.class);
group.setName("Test group");
userDs.getItem().setGroup(group);
pickerField.setDatasource(userDs, "group");
// unbind
pickerField.setDatasource(null, null);
Datasource.ItemPropertyChangeListener<User> listener = e -> {
throw new RuntimeException("Value was changed externally");
};
userDs.addItemPropertyChangeListener(listener);
pickerField.setValue(null);
}
use of com.haulmont.cuba.gui.components.PickerField in project cuba by cuba-platform.
the class PickerFieldDsTest method testUnsubscribeSubscribeComponentListener.
@Test
public void testUnsubscribeSubscribeComponentListener() {
PickerField pickerField = (PickerField) factory.createComponent(PickerField.NAME);
Datasource<User> userDs = getTestUserDatasource();
User user = userDs.getItem();
Group group = metadata.create(Group.class);
group.setName("Test group");
user.setGroup(group);
pickerField.setDatasource(userDs, "group");
// unbind
pickerField.setDatasource(null, null);
// setup
boolean[] valueWasChanged = { false };
Component.ValueChangeListener listener = e -> valueWasChanged[0] = true;
// datasource before listener
pickerField.setDatasource(userDs, "group");
pickerField.addValueChangeListener(listener);
user.setGroup(null);
assertEquals(true, valueWasChanged[0]);
// reset state
pickerField.setDatasource(null, null);
pickerField.removeValueChangeListener(listener);
valueWasChanged[0] = false;
user.setGroup(metadata.create(Group.class));
// listener before datasource
pickerField.addValueChangeListener(listener);
pickerField.setDatasource(userDs, "group");
assertEquals(true, valueWasChanged[0]);
}
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