Objects.requireNonNull(selectionMode,
"Can not set selection mode to null");
switch (selectionMode) {
- case MULTI:
- TreeMultiSelectionModel<T> model = new TreeMultiSelectionModel<>();
- treeGrid.setSelectionModel(model);
- return model;
- default:
- return treeGrid.setSelectionMode(selectionMode);
+ case MULTI:
+ TreeMultiSelectionModel<T> model = new TreeMultiSelectionModel<>();
+ treeGrid.setSelectionModel(model);
+ return model;
+ default:
+ return treeGrid.setSelectionMode(selectionMode);
}
}
* happens.
*
* @param listener
- * the context click listener to add, not null
- * actual event provided to the listener is {@link TreeContextClickEvent}
+ * the context click listener to add, not null actual event
+ * provided to the listener is {@link TreeContextClickEvent}
* @return a registration object for removing the listener
*
* @since 8.1
* @see Registration
*/
@Override
- public Registration addContextClickListener(ContextClickEvent.ContextClickListener listener) {
- Registration registration =
- addListener(EventId.CONTEXT_CLICK, ContextClickEvent.class,
- listener, ContextClickEvent.CONTEXT_CLICK_METHOD);
+ public Registration addContextClickListener(
+ ContextClickEvent.ContextClickListener listener) {
+ Registration registration = addListener(EventId.CONTEXT_CLICK,
+ ContextClickEvent.class, listener,
+ ContextClickEvent.CONTEXT_CLICK_METHOD);
setupContextClickListener();
return () -> {
registration.remove();
@Override
@Deprecated
- public void removeContextClickListener(ContextClickEvent.ContextClickListener listener) {
+ public void removeContextClickListener(
+ ContextClickEvent.ContextClickListener listener) {
super.removeContextClickListener(listener);
setupContextClickListener();
}
private void setupContextClickListener() {
if (hasListeners(ContextClickEvent.class)) {
if (contextClickRegistration == null) {
- contextClickRegistration = treeGrid.addContextClickListener(
- event -> {
+ contextClickRegistration = treeGrid
+ .addContextClickListener(event -> {
T item = null;
if (event instanceof Grid.GridContextClickEvent) {
- item = ((Grid.GridContextClickEvent<T>) event).getItem();
+ item = ((Grid.GridContextClickEvent<T>) event)
+ .getItem();
}
- fireEvent(new TreeContextClickEvent<>(this, event.getMouseEventDetails(), item));
- }
- );
+ fireEvent(new TreeContextClickEvent<>(this,
+ event.getMouseEventDetails(), item));
+ });
}
} else if (contextClickRegistration != null) {
contextClickRegistration.remove();
* ContextClickEvent for the Tree Component.
* <p>
* Usage:
+ *
* <pre>
* tree.addContextClickListener(event -> Notification.show(
- * ((TreeContextClickEvent<Person>)event).getItem() + " Clicked")
- * );
+ * ((TreeContextClickEvent<Person>) event).getItem() + " Clicked"));
* </pre>
*
- * @param <T> the tree bean type
+ * @param <T>
+ * the tree bean type
+ * @since 8.1
*/
public static class TreeContextClickEvent<T> extends ContextClickEvent {
/**
* Creates a new context click event.
*
- * @param source the tree where the context click occurred
- * @param mouseEventDetails details about mouse position
- * @param item the item which was clicked or {@code null}
- * if the click happened outside any item
+ * @param source
+ * the tree where the context click occurred
+ * @param mouseEventDetails
+ * details about mouse position
+ * @param item
+ * the item which was clicked or {@code null} if the click
+ * happened outside any item
*/
public TreeContextClickEvent(Tree<T> source,
- MouseEventDetails mouseEventDetails,
- T item) {
+ MouseEventDetails mouseEventDetails, T item) {
super(source, mouseEventDetails);
this.item = item;
}
/**
* Returns the item of context clicked row.
*
- * @return clicked item; {@code null}
- * the click happened outside any item
+ * @return clicked item; {@code null} the click happened outside any
+ * item
*/
public T getItem() {
return item;