Java Code Examples for javafx.collections.ObservableList#removeListener()

The following examples show how to use javafx.collections.ObservableList#removeListener() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: UpdateAxisLabels.java    From chart-fx with Apache License 2.0 6 votes vote down vote up 
private void teardownDataSetListeners(Renderer renderer, ObservableList<DataSet> dataSets) {
    Map<DataSet, EventListener> dataSetListeners;
    if (renderer == null) {
        dataSetListeners = chartDataSetsListeners;
    } else if (rendererDataSetsListeners.containsKey(renderer)) {
        dataSetListeners = rendererDataSetsListeners.get(renderer);
    } else {
        dataSetListeners = new HashMap<>();
        rendererDataSetsListeners.put(renderer, dataSetListeners);
    }

    dataSets.removeListener(renderersListeners.get(renderer));
    renderersListeners.remove(renderer);

    dataSets.forEach((DataSet dataSet) -> {
        dataSet.removeListener(dataSetListeners.get(dataSet));
        dataSetListeners.remove(dataSet);
    });
}
Example 2
Source File: DataSetMeasurements.java    From chart-fx with Apache License 2.0 6 votes vote down vote up 
protected void initDataSets() {
    if (isTrending) {
        final ObservableList<AbstractChartMeasurement> measurements = measurementSelector.getSelectedChartMeasurements();
        final String measurementName = "measurement";
        trendingDataSet.setName(new StringBuilder().append(measType.getName()).append(measurementName).toString());
        measurements.removeListener(trendingListener);
        measurements.addListener(trendingListener);
        if (!measurements.isEmpty()) {
            // add listener in case they haven't been already initialised
            measurements.get(0).valueProperty().removeListener(delayedUpdateListener);
            measurements.get(0).valueProperty().addListener(delayedUpdateListener);
        }
    } else {
        final ObservableList<DataSet> dataSets = dataSetSelector.getSelectedDataSets();
        final String dataSetsNames = dataSets.isEmpty() ? "(null)" : getDataSetsAsStringList(dataSets);

        mathDataSet.setName(new StringBuilder().append(measType.getName()).append(dataSetsNames).toString());

        mathDataSet.deregisterListener();
        mathDataSet.getSourceDataSets().clear();
        mathDataSet.getSourceDataSets().addAll(dataSets);
        mathDataSet.registerListener();
    }
}
Example 3
Source File: EasyBind.java    From EasyBind with BSD 2-Clause "Simplified" License 6 votes vote down vote up 
/**
 * Sync the content of the {@code target} list with the {@code source} list.
 * @return a subscription that can be used to stop syncing the lists.
 */
public static <T> Subscription listBind(
        List<? super T> target,
        ObservableList<? extends T> source) {
    target.clear();
    target.addAll(source);
    ListChangeListener<? super T> listener = change -> {
        while(change.next()) {
            int from = change.getFrom();
            int to = change.getTo();
            if(change.wasPermutated()) {
                target.subList(from, to).clear();
                target.addAll(from, source.subList(from, to));
            } else {
                target.subList(from, from + change.getRemovedSize()).clear();
                target.addAll(from, source.subList(from, from + change.getAddedSize()));
            }
        }
    };
    source.addListener(listener);
    return () -> source.removeListener(listener);
}
Example 4
Source File: EventStreams.java    From ReactFX with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
/**
 * @see LiveList#changesOf(ObservableList)
 */
public static <T> EventStream<ListChangeListener.Change<? extends T>> changesOf(ObservableList<T> list) {
    return new EventStreamBase<ListChangeListener.Change<? extends T>>() {
        @Override
        protected Subscription observeInputs() {
            ListChangeListener<T> listener = c -> emit(c);
            list.addListener(listener);
            return () -> list.removeListener(listener);
        }
    };
}
Example 5
Source File: LiveList.java    From ReactFX with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
static <E> Subscription observeQuasiChanges(
        ObservableList<? extends E> list,
        QuasiChangeObserver<? super E> observer) {
    if(list instanceof LiveList) {
        LiveList<? extends E> lst = (LiveList<? extends E>) list;
        return lst.observeQuasiChanges(observer);
    } else {
        ListChangeListener<E> listener = ch -> {
            QuasiListChange<? extends E> change = QuasiListChange.from(ch);
            observer.onChange(change);
        };
        list.addListener(listener);
        return () -> list.removeListener(listener);
    }
}