Example usage for org.jfree.chart.renderer.category LineAndShapeRenderer setSeriesNegativeItemLabelPosition

Introduction

In this page you can find the example usage for org.jfree.chart.renderer.category LineAndShapeRenderer setSeriesNegativeItemLabelPosition.

Prototype

public void setSeriesNegativeItemLabelPosition(int series, ItemLabelPosition position) 

Source Link

Document

Sets the item label position for negative values in a series and sends a RendererChangeEvent to all registered listeners.

Usage

From source file:com.rapidminer.gui.plotter.charts.ParetoChartPlotter.java

public void paintParetoChart(Graphics graphics) {
    prepareData();// w  w  w.  j  av  a  2s  .  c  o  m

    JFreeChart chart = createChart();

    if (chart != null) {
        // set the background color for the chart...
        chart.setBackgroundPaint(Color.white);
        chart.getPlot().setBackgroundPaint(Color.WHITE);

        // bar renderer --> own 3D effect
        CategoryPlot plot = chart.getCategoryPlot();
        BarRenderer renderer = (BarRenderer) plot.getRenderer();
        // renderer.setBarPainter(new StandardBarPainter());
        renderer.setBarPainter(new RapidBarPainter());

        renderer.setSeriesPaint(0, getColorProvider(true).getPointColor(1));

        // labels on top of bars
        Map<String, String> barItemLabels = new HashMap<>();
        Map<String, String> cumulativeItemLabels = new HashMap<>();
        int groupSum = 0;
        int totalSum = 0;
        for (Object key : totalData.getKeys()) {
            String k = (String) key;
            try {
                Number groupValue = data.getValue(k);
                Number totalValue = totalData.getValue(k);
                groupSum += groupValue.intValue();
                totalSum += totalValue.intValue();
                barItemLabels.put(k, Tools.formatIntegerIfPossible(groupValue.doubleValue()) + " / "
                        + Tools.formatIntegerIfPossible(totalValue.doubleValue()));
                cumulativeItemLabels.put(k, groupSum + " / " + totalSum);
            } catch (UnknownKeyException e) {
                // do nothing
            }
        }
        renderer.setSeriesItemLabelFont(0, LABEL_FONT);

        if (showBarLabelsFlag) {
            renderer.setSeriesItemLabelsVisible(0, true);
            renderer.setSeriesItemLabelGenerator(0, new ParetoChartItemLabelGenerator(barItemLabels));

            if (isLabelRotating()) {
                renderer.setSeriesPositiveItemLabelPosition(0, new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12,
                        TextAnchor.CENTER_LEFT, TextAnchor.CENTER_LEFT, -Math.PI / 2.0d));
                renderer.setSeriesNegativeItemLabelPosition(0, new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12,
                        TextAnchor.CENTER_LEFT, TextAnchor.CENTER_LEFT, -Math.PI / 2.0d));
            }
        }

        LineAndShapeRenderer renderer2 = (LineAndShapeRenderer) chart.getCategoryPlot().getRenderer(1);
        renderer2.setSeriesPaint(0, Color.GRAY.darker().darker());
        renderer2.setSeriesItemLabelFont(0, LABEL_FONT);
        renderer2.setSeriesItemLabelPaint(0, Color.BLACK);
        if (isLabelRotating()) {
            renderer2.setSeriesPositiveItemLabelPosition(0, new ItemLabelPosition(ItemLabelAnchor.OUTSIDE6,
                    TextAnchor.CENTER_RIGHT, TextAnchor.CENTER_RIGHT, -Math.PI / 2.0d));
            renderer2.setSeriesNegativeItemLabelPosition(0, new ItemLabelPosition(ItemLabelAnchor.OUTSIDE6,
                    TextAnchor.CENTER_RIGHT, TextAnchor.CENTER_RIGHT, -Math.PI / 2.0d));
        } else {
            renderer2.setSeriesPositiveItemLabelPosition(0,
                    new ItemLabelPosition(ItemLabelAnchor.OUTSIDE10, TextAnchor.BOTTOM_RIGHT));
            renderer2.setSeriesNegativeItemLabelPosition(0,
                    new ItemLabelPosition(ItemLabelAnchor.OUTSIDE10, TextAnchor.BOTTOM_RIGHT));
        }

        if (showCumulativeLabelsFlag) {
            renderer2.setSeriesItemLabelsVisible(0, true);
            renderer2.setSeriesItemLabelGenerator(0, new ParetoChartItemLabelGenerator(cumulativeItemLabels));
        }

        // draw outlines
        renderer.setDrawBarOutline(true);

        // gridline colors
        plot.setRangeGridlinePaint(Color.BLACK);

        // legend settings
        LegendTitle legend = chart.getLegend();
        if (legend != null) {
            legend.setPosition(RectangleEdge.TOP);
            legend.setFrame(BlockBorder.NONE);
            legend.setHorizontalAlignment(HorizontalAlignment.LEFT);
            legend.setItemFont(LABEL_FONT);
        }

        Rectangle2D drawRect = new Rectangle2D.Double(0, 0, getWidth(), getHeight());
        chart.draw((Graphics2D) graphics, drawRect);
    }
}

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