HorizonChart.java 文件源码

public HorizonChart(final int BANDS, final Series<T> SERIES, final boolean SMOOTHED) {
    series        = SERIES;
    scaleX        = 1;
    scaleY        = 1;
    smoothed      = SMOOTHED;
    referenceZero = true;
    noOfBands     = clamp(1, MAX_NO_OF_BANDS, BANDS);
    noOfItems     = SERIES.getNoOfItems();
    minY          = SERIES.getItems().stream().mapToDouble(Data::getY).min().getAsDouble();
    maxY          = SERIES.getItems().stream().mapToDouble(Data::getY).max().getAsDouble();
    bandWidth     = (maxY - minY) / noOfBands;
    tooltip       = new Tooltip();
    tooltip.setAnchorLocation(AnchorLocation.CONTENT_BOTTOM_LEFT);

    adjustColors();

    // Create list of points
    points = new ArrayList<>(noOfItems);
    prepareData();

    mouseListener           = mouseEvent -> {
        final EventType<? extends MouseEvent> TYPE = mouseEvent.getEventType();
        if (MouseEvent.MOUSE_CLICKED == TYPE) {
            Data<T> data = selectDataAt(mouseEvent.getX());
            tooltip.setText(createTooltipText(data));
            tooltip.setX(mouseEvent.getScreenX());
            tooltip.setY(mouseEvent.getScreenY());
            tooltip.show(getScene().getWindow());
            getSeries().fireSeriesEvent(new SeriesEvent(getSeries(), data, SeriesEventType.SELECT_DATA));
        } else if (MouseEvent.MOUSE_MOVED == TYPE) {
            tooltip.hide();
        } else if (MouseEvent.MOUSE_EXITED == TYPE) {
            tooltip.hide();
        }
    };
    seriesListener          = seriesEvent -> redraw();

    initGraphics();
    registerListeners();
}