sclass JTickerView is Swingable {

  settable S coin;

  settable int h = 200;

  settable TickerSequence ticker;

  settable AbstractTickerPainter painter;

  settable IImageSurfaceMaker imageSurfaceMaker = -> imageSurfaceWithToolTip();

  settable ImageSurface isTicker;

  settable G22TradingStrategy strategy;

  settable double cellSize = naN();

  settable bool center;

  JSlider timeZoomSlider = jSlider(1, 10, 1);

  ReliableSingleThread rstPaint = rst(l0 repaintImpl);

  event settingUpPainter(AbstractTickerPainter painter);

  *() {}

  *(TickerSequence *ticker) {}

  swappable void makePainter() {

    painter if null = new TickerGraphPainter;

    painter.w(300*intFromSlider(timeZoomSlider)).h(h);

    painter.ticker(ticker);

    painter.drawPercentLines(false);

    if (!isNaN(cellSize))

      painter.cellSize(cellSize);

    /*painter.horizontalRange(

      transformBetweenDoubleRanges (varTimeZoom get) (zeroToOne) (painter horizontalRangeForTicker ticker)

    zoomedRange <- transformBetweenDoubleRanges (varTimeZoom get) (zeroToOne) (toDoubleRange < ticker timeRange)

    painter verticalRange <

    painter verticalRangeForTicker (ticker subSequenceByTimestamps (lround < zoomedRange start) (lround < zoomedRange end))

    */

    //painter.additionalObjects.add(g -> painter drawTimeGrid(g, 60));

    if (strategy != null)

      for (p : strategy.closedPositions())

        painter.positions.add(TradingPosition.fromStrategy(p));

    settingUpPainter(painter);

  }

  void repaintImpl() {

    makePainter();

    isTicker.setImage(painter.render());

  }

  cachedVisualize {

    if (isTicker == null) isTicker = imageSurfaceMaker.newImageSurface();

    onChange(timeZoomSlider, rstPaint);

    rstPaint.trigger();

    ret jCenteredSection(str(ticker),

      centerAndSouthWithMargin(

        jMinHeight(h, center ? jscroll_horizontal_center_borderless(isTicker) : jscroll_horizontal_borderless(isTicker)),

        withLabel("Time zoom:", timeZoomSlider)

      ));

  }

  selfType defaultTimeZoom(int zoom) {

    setSliderValue(timeZoomSlider, zoom);

    this;

  }

}