Examples with Either org.reactfx.util.Either used on opensource projects

Example 6 with Either

use of org.reactfx.util.Either in project RichTextFX by FXMisc.

the class ParagraphBox method stationaryIndices.

public EventStream<Either<Tuple2<Point2D, Integer>, Object>> stationaryIndices(Duration delay) {
    EventStream<Either<Point2D, Void>> stationaryEvents = new MouseStationaryHelper(this).events(delay);
    EventStream<Tuple2<Point2D, Integer>> hits = stationaryEvents.filterMap(Either::asLeft).filterMap(p -> {
        OptionalInt charIdx = hit(p).getCharacterIndex();
        if (charIdx.isPresent()) {
            return Optional.of(t(p, charIdx.getAsInt()));
        } else {
            return Optional.empty();
        }
    });
    EventStream<?> stops = stationaryEvents.filter(Either::isRight).map(Either::getRight);
    return hits.or(stops);
}

Example 7 with Either

use of org.reactfx.util.Either in project RichTextFX by FXMisc.

the class MouseStationaryHelper method events.

/**
 * Returns an {@link EventStream} that emits a {@link Point2D} whenever the mouse becomes stationary
 * over the helper's node and emits a {@code null} value whenever the mouse moves after being stationary.
 */
public EventStream<Either<Point2D, Void>> events(Duration delay) {
    EventStream<MouseEvent> mouseEvents = eventsOf(node, MouseEvent.ANY);
    EventStream<Point2D> stationaryPositions = mouseEvents.successionEnds(delay).filter(e -> e.getEventType() == MOUSE_MOVED).map(e -> new Point2D(e.getX(), e.getY()));
    EventStream<Void> stoppers = mouseEvents.supply((Void) null);
    return stationaryPositions.or(stoppers).distinct();
}