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

Introduction

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

Prototype

@Override
public void setSeriesItemLabelGenerator(int series, CategoryItemLabelGenerator generator)

Source Link

Document

Sets the item label generator for 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();/*from w w w  . j a v a 2s.  com*/

    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);
    }
}

From source file:ro.nextreports.engine.chart.JFreeChartExporter.java

private JFreeChart addLineChartOverBar(JFreeChart jfreechart, Object[] lineCharts, String lineLegend)
        throws QueryException {
    // first we read data for bar series, so we have to go back at the start of the result set
    try {//  w w w  . ja  v a 2s  .  co m
        result.getResultSet().beforeFirst();
    } catch (SQLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    isLineCombo = true;
    lineBarDataset = new DefaultCategoryDataset();
    boolean hasLegend = false;
    for (int i = 0; i < lineCharts.length; i++) {
        String legend = "";
        try {
            legend = replaceParameters(lineLegend);
        } catch (IndexOutOfBoundsException ex) {
            // no legend set
        }
        if ((legend != null) && !"".equals(legend.trim())) {
            hasLegend = true;
        }
        lineCharts[i] = legend;
    }

    int index = chart.getYColumns().size() - 1;
    CategoryPlot plot = jfreechart.getCategoryPlot();
    final LineAndShapeRenderer renderer2 = new LineAndShapeRenderer();
    plot.setRenderer(1, renderer2);
    renderer2.setSeriesPaint(0, chart.getForegrounds().get(index));

    final ValueAxis axis2 = new NumberAxis("");
    plot.setRangeAxis(1, axis2);
    plot.setDataset(1, lineBarDataset);
    plot.mapDatasetToRangeAxis(1, 1);
    plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);

    boolean showValues = (chart.getShowYValuesOnChart() == null) ? false : chart.getShowYValuesOnChart();
    DecimalFormat decimalFormat;
    DecimalFormat percentageFormat;
    if (chart.getYTooltipPattern() == null) {
        decimalFormat = new DecimalFormat("#");
        percentageFormat = new DecimalFormat("0.00%");
    } else {
        decimalFormat = new DecimalFormat(chart.getYTooltipPattern());
        percentageFormat = decimalFormat;
    }
    if (showValues) {
        renderer2.setSeriesItemLabelsVisible(0, true);
        renderer2.setSeriesItemLabelGenerator(0,
                new StandardCategoryItemLabelGenerator("{2}", decimalFormat, percentageFormat));
        // increase a little bit the range axis to view all item label values over points
        plot.getRangeAxis(1).setUpperMargin(0.2);
    }

    final HashMap<String, String> formatValues = createChart(chart.getYColumns().subList(index, index + 1),
            plot.getRangeAxis(1), lineCharts);

    isLineCombo = false;
    return jfreechart;
}