Example usage for org.jfree.chart.plot PiePlot setLabelGenerator

List of usage examples for org.jfree.chart.plot PiePlot setLabelGenerator

Introduction

In this page you can find the example usage for org.jfree.chart.plot PiePlot setLabelGenerator.

Prototype

public void setLabelGenerator(PieSectionLabelGenerator generator) 

Source Link

Document

Sets the section label generator and sends a PlotChangeEvent to all registered listeners.

Usage

From source file:it.eng.spagobi.engines.chart.bo.charttypes.piecharts.LinkablePie.java

public JFreeChart createChart(DatasetMap datasets) {
    Dataset dataset = (Dataset) datasets.getDatasets().get("1");

    boolean document_composition = false;
    if (mode.equalsIgnoreCase(SpagoBIConstants.DOCUMENT_COMPOSITION))
        document_composition = true;/*from w  w w.  ja  v a 2  s  .co  m*/

    JFreeChart chart = null;

    if (!threeD) {
        chart = ChartFactory.createPieChart(name, (PieDataset) dataset, // data
                legend, // include legend
                true, false);

        chart.setBackgroundPaint(color);

        TextTitle title = chart.getTitle();
        title.setToolTipText("A title tooltip!");

        PiePlot plot = (PiePlot) chart.getPlot();
        plot.setLabelFont(new Font(defaultLabelsStyle.getFontName(), Font.PLAIN, defaultLabelsStyle.getSize()));
        plot.setCircular(false);
        plot.setLabelGap(0.02);
        plot.setNoDataMessage("No data available");

        if (percentage == false) {
            plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({1})"));
        } else {
            plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({2})"));
        }

        MyPieUrlGenerator pieUrl = new MyPieUrlGenerator(rootUrl);
        pieUrl.setDocument_composition(document_composition);
        pieUrl.setCategoryUrlLabel(categoryUrlName);
        pieUrl.setDrillDocTitle(drillDocTitle);
        pieUrl.setTarget(target);

        plot.setURLGenerator(pieUrl);

    } else {
        chart = ChartFactory.createPieChart3D(name, (PieDataset) dataset, // data
                true, // include legend
                true, false);

        chart.setBackgroundPaint(color);

        TextTitle title = chart.getTitle();
        title.setToolTipText("A title tooltip!");

        PiePlot3D plot = (PiePlot3D) chart.getPlot();

        plot.setDarkerSides(true);
        plot.setStartAngle(290);
        plot.setDirection(Rotation.CLOCKWISE);
        plot.setForegroundAlpha(1.0f);
        plot.setDepthFactor(0.2);

        plot.setLabelFont(new Font(defaultLabelsStyle.getFontName(), Font.PLAIN, defaultLabelsStyle.getSize()));
        plot.setCircular(false);
        plot.setLabelGap(0.02);
        plot.setNoDataMessage("No data available");

        //org.jfree.chart.renderer.category.BarRenderer renderer = new org.jfree.chart.renderer.category.AreaRenderer);

        MyPieUrlGenerator pieUrl = new MyPieUrlGenerator(rootUrl);
        pieUrl.setDocument_composition(document_composition);
        pieUrl.setCategoryUrlLabel(categoryUrlName);
        pieUrl.setDrillDocTitle(drillDocTitle);
        pieUrl.setTarget(target);

        plot.setURLGenerator(pieUrl);

        if (percentage == false) {
            plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({1})"));
        } else {
            plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({2})"));
        }
    }

    TextTitle title = setStyleTitle(name, styleTitle);
    chart.setTitle(title);
    if (subName != null && !subName.equals("")) {
        TextTitle subTitle = setStyleTitle(subName, styleSubTitle);
        chart.addSubtitle(subTitle);
    }

    return chart;

}

From source file:com.manydesigns.portofino.chart.Chart1DGenerator.java

public JFreeChart generate(ChartDefinition chartDefinition, Persistence persistence, Locale locale) {
    DefaultPieDataset dataset = new DefaultPieDataset();
    java.util.List<Object[]> result;
    String query = chartDefinition.getQuery();
    logger.info(query);/*  ww  w  .  j a  v  a2  s.co  m*/
    Session session = persistence.getSession(chartDefinition.getDatabase());
    result = QueryUtils.runSql(session, query);
    for (Object[] current : result) {
        ComparableWrapper key = new ComparableWrapper((Comparable) current[0]);
        dataset.setValue(key, (Number) current[1]);
        if (current.length > 2) {
            key.setLabel(current[2].toString());
        }
    }

    JFreeChart chart = createChart(chartDefinition, dataset);

    chart.setAntiAlias(isAntiAlias());

    // impostiamo il bordo invisibile
    // eventualmente e' il css a fornirne uno
    // eventualmente e' il css a fornirne uno
    chart.setBorderVisible(isBorderVisible());

    // impostiamo il titolo
    TextTitle title = chart.getTitle();
    title.setFont(titleFont);
    title.setMargin(10.0, 0.0, 0.0, 0.0);

    // ottieni il Plot
    PiePlot plot = (PiePlot) chart.getPlot();

    String urlExpression = chartDefinition.getUrlExpression();
    if (!StringUtils.isBlank(urlExpression)) {
        PieURLGenerator urlGenerator = new ChartPieUrlGenerator(urlExpression);
        plot.setURLGenerator(urlGenerator);
    } else {
        plot.setURLGenerator(null);
    }

    // il plot ha sfondo e bordo trasparente
    // (quindi si vede il colore del chart)
    plot.setBackgroundPaint(transparentColor);
    plot.setOutlinePaint(transparentColor);

    // Modifico il toolTip
    // hongliangpan add
    // :?{0}  {1}  {2} ? ,???
    plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0}={1}({2})",
            NumberFormat.getNumberInstance(), new DecimalFormat("0.00%")));
    // {0}={1}({2})
    plot.setLegendLabelGenerator(new StandardPieSectionLabelGenerator("{0}"));
    // ?(0.0-1.0)
    // plot.setForegroundAlpha(1.0f);
    // imposta la distanza delle etichette dal plot
    plot.setLabelGap(0.03);
    // plot.setLabelGenerator(new MyPieSectionLabelGenerator());

    // imposta il messaggio se non ci sono dati
    plot.setNoDataMessage(ElementsThreadLocals.getText("no.data.available"));

    plot.setCircular(true);

    plot.setBaseSectionOutlinePaint(Color.BLACK);

    DrawingSupplier supplier = new DesaturatedDrawingSupplier(plot.getDrawingSupplier());
    plot.setDrawingSupplier(supplier);
    // ?
    plot.setForegroundAlpha(1.0f);
    // impostiamo il titolo della legenda
    String legendString = chartDefinition.getLegend();
    Title subtitle = new TextTitle(legendString, legendFont, Color.BLACK, RectangleEdge.BOTTOM,
            HorizontalAlignment.CENTER, VerticalAlignment.CENTER, new RectangleInsets(0, 0, 0, 0));
    subtitle.setMargin(0, 0, 5, 0);
    chart.addSubtitle(subtitle);

    // impostiamo la legenda
    LegendTitle legend = chart.getLegend();
    legend.setBorder(0, 0, 0, 0);
    legend.setItemFont(legendItemFont);
    int legendMargin = 10;
    legend.setMargin(0.0, legendMargin, legendMargin, legendMargin);
    legend.setBackgroundPaint(transparentColor);

    // impostiamo un gradiente orizzontale
    Paint chartBgPaint = new GradientPaint(0, 0, new Color(255, 253, 240), 0, getHeight(), Color.WHITE);
    chart.setBackgroundPaint(chartBgPaint);
    return chart;
}

From source file:edu.dlnu.liuwenpeng.ChartFactory.ChartFactory.java

/**    
* Creates a pie chart with default settings that compares 2 datasets.      
* The colour of each section will be determined by the move from the value    
* for the same key in <code>previousDataset</code>. ie if value1 > value2     
* then the section will be in green (unless <code>greenForIncrease</code>     
* is <code>false</code>, in which case it would be <code>red</code>).      
* Each section can have a shade of red or green as the difference can be     
* tailored between 0% (black) and percentDiffForMaxScale% (bright     
* red/green).    //from   w w w  .j a v a2  s  .  c  o m
* <p>    
* For instance if <code>percentDiffForMaxScale</code> is 10 (10%), a     
* difference of 5% will have a half shade of red/green, a difference of     
* 10% or more will have a maximum shade/brightness of red/green.    
* <P>    
* The chart object returned by this method uses a {@link PiePlot} instance    
* as the plot.    
* <p>    
* Written by <a href="mailto:opensource@objectlab.co.uk">Benoit     
* Xhenseval</a>.    
*    
* @param title  the chart title (<code>null</code> permitted).    
* @param dataset  the dataset for the chart (<code>null</code> permitted).    
* @param previousDataset  the dataset for the last run, this will be used     
*                         to compare each key in the dataset    
* @param percentDiffForMaxScale scale goes from bright red/green to black,    
*                               percentDiffForMaxScale indicate the change     
*                               required to reach top scale.    
* @param greenForIncrease  an increase since previousDataset will be     
*                          displayed in green (decrease red) if true.    
* @param legend  a flag specifying whether or not a legend is required.    
* @param tooltips  configure chart to generate tool tips?    
* @param locale  the locale (<code>null</code> not permitted).    
* @param subTitle displays a subtitle with colour scheme if true    
* @param showDifference  create a new dataset that will show the %     
*                        difference between the two datasets.     
*    
* @return A pie chart.    
*     
* @since 1.0.7    
*/
public static JFreeChart createPieChart(String title, PieDataset dataset, PieDataset previousDataset,
        int percentDiffForMaxScale, boolean greenForIncrease, boolean legend, boolean tooltips, Locale locale,
        boolean subTitle, boolean showDifference) {

    PiePlot plot = new PiePlot(dataset);
    plot.setLabelGenerator(new StandardPieSectionLabelGenerator(locale));
    plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));

    if (tooltips) {
        plot.setToolTipGenerator(new StandardPieToolTipGenerator(locale));
    }

    List keys = dataset.getKeys();
    DefaultPieDataset series = null;
    if (showDifference) {
        series = new DefaultPieDataset();
    }

    double colorPerPercent = 255.0 / percentDiffForMaxScale;
    for (Iterator it = keys.iterator(); it.hasNext();) {
        Comparable key = (Comparable) it.next();
        Number newValue = dataset.getValue(key);
        Number oldValue = previousDataset.getValue(key);

        if (oldValue == null) {
            if (greenForIncrease) {
                plot.setSectionPaint(key, Color.green);
            } else {
                plot.setSectionPaint(key, Color.red);
            }
            if (showDifference) {
                series.setValue(key + " (+100%)", newValue);
            }
        } else {
            double percentChange = (newValue.doubleValue() / oldValue.doubleValue() - 1.0) * 100.0;
            double shade = (Math.abs(percentChange) >= percentDiffForMaxScale ? 255
                    : Math.abs(percentChange) * colorPerPercent);
            if (greenForIncrease && newValue.doubleValue() > oldValue.doubleValue()
                    || !greenForIncrease && newValue.doubleValue() < oldValue.doubleValue()) {
                plot.setSectionPaint(key, new Color(0, (int) shade, 0));
            } else {
                plot.setSectionPaint(key, new Color((int) shade, 0, 0));
            }
            if (showDifference) {
                series.setValue(
                        key + " (" + (percentChange >= 0 ? "+" : "")
                                + NumberFormat.getPercentInstance().format(percentChange / 100.0) + ")",
                        newValue);
            }
        }
    }

    if (showDifference) {
        plot.setDataset(series);
    }

    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    if (subTitle) {
        TextTitle subtitle = null;
        subtitle = new TextTitle("Bright " + (greenForIncrease ? "red" : "green") + "=change >=-"
                + percentDiffForMaxScale + "%, Bright " + (!greenForIncrease ? "red" : "green") + "=change >=+"
                + percentDiffForMaxScale + "%", new Font("SansSerif", Font.PLAIN, 10));
        chart.addSubtitle(subtitle);
    }

    return chart;
}

From source file:edu.dlnu.liuwenpeng.ChartFactory.ChartFactory.java

/**    
* Creates a pie chart with default settings that compares 2 datasets.      
* The colour of each section will be determined by the move from the value    
* for the same key in <code>previousDataset</code>. ie if value1 > value2     
* then the section will be in green (unless <code>greenForIncrease</code>     
* is <code>false</code>, in which case it would be <code>red</code>).      
* Each section can have a shade of red or green as the difference can be     
* tailored between 0% (black) and percentDiffForMaxScale% (bright     
* red/green).    //  w ww .  j  ava  2  s . c om
* <p>    
* For instance if <code>percentDiffForMaxScale</code> is 10 (10%), a     
* difference of 5% will have a half shade of red/green, a difference of     
* 10% or more will have a maximum shade/brightness of red/green.    
* <P>    
* The chart object returned by this method uses a {@link PiePlot} instance    
* as the plot.    
* <p>    
* Written by <a href="mailto:opensource@objectlab.co.uk">Benoit     
* Xhenseval</a>.    
*    
* @param title  the chart title (<code>null</code> permitted).    
* @param dataset  the dataset for the chart (<code>null</code> permitted).    
* @param previousDataset  the dataset for the last run, this will be used     
*                         to compare each key in the dataset    
* @param percentDiffForMaxScale scale goes from bright red/green to black,    
*                               percentDiffForMaxScale indicate the change     
*                               required to reach top scale.    
* @param greenForIncrease  an increase since previousDataset will be     
*                          displayed in green (decrease red) if true.    
* @param legend  a flag specifying whether or not a legend is required.    
* @param tooltips  configure chart to generate tool tips?    
* @param urls  configure chart to generate URLs?    
* @param subTitle displays a subtitle with colour scheme if true    
* @param showDifference  create a new dataset that will show the %     
*                        difference between the two datasets.     
*    
* @return A pie chart.    
*/
public static JFreeChart createPieChart(String title, PieDataset dataset, PieDataset previousDataset,
        int percentDiffForMaxScale, boolean greenForIncrease, boolean legend, boolean tooltips, boolean urls,
        boolean subTitle, boolean showDifference) {

    PiePlot plot = new PiePlot(dataset);
    plot.setLabelGenerator(new StandardPieSectionLabelGenerator());
    plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));

    if (tooltips) {
        plot.setToolTipGenerator(new StandardPieToolTipGenerator());
    }
    if (urls) {
        plot.setURLGenerator(new StandardPieURLGenerator());
    }

    List keys = dataset.getKeys();
    DefaultPieDataset series = null;
    if (showDifference) {
        series = new DefaultPieDataset();
    }

    double colorPerPercent = 255.0 / percentDiffForMaxScale;
    for (Iterator it = keys.iterator(); it.hasNext();) {
        Comparable key = (Comparable) it.next();
        Number newValue = dataset.getValue(key);
        Number oldValue = previousDataset.getValue(key);

        if (oldValue == null) {
            if (greenForIncrease) {
                plot.setSectionPaint(key, Color.green);
            } else {
                plot.setSectionPaint(key, Color.red);
            }
            if (showDifference) {
                series.setValue(key + " (+100%)", newValue);
            }
        } else {
            double percentChange = (newValue.doubleValue() / oldValue.doubleValue() - 1.0) * 100.0;
            double shade = (Math.abs(percentChange) >= percentDiffForMaxScale ? 255
                    : Math.abs(percentChange) * colorPerPercent);
            if (greenForIncrease && newValue.doubleValue() > oldValue.doubleValue()
                    || !greenForIncrease && newValue.doubleValue() < oldValue.doubleValue()) {
                plot.setSectionPaint(key, new Color(0, (int) shade, 0));
            } else {
                plot.setSectionPaint(key, new Color((int) shade, 0, 0));
            }
            if (showDifference) {
                series.setValue(
                        key + " (" + (percentChange >= 0 ? "+" : "")
                                + NumberFormat.getPercentInstance().format(percentChange / 100.0) + ")",
                        newValue);
            }
        }
    }

    if (showDifference) {
        plot.setDataset(series);
    }

    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    if (subTitle) {
        TextTitle subtitle = null;
        subtitle = new TextTitle("Bright " + (greenForIncrease ? "red" : "green") + "=change >=-"
                + percentDiffForMaxScale + "%, Bright " + (!greenForIncrease ? "red" : "green") + "=change >=+"
                + percentDiffForMaxScale + "%", new Font("SansSerif", Font.PLAIN, 10));
        chart.addSubtitle(subtitle);
    }

    return chart;
}

From source file:KIDLYFactory.java

/**
 * Creates a pie chart with default settings.
 * <P>// w  ww .jav  a 2 s. c  o m
 * The chart object returned by this method uses a {@link PiePlot} instance
 * as the plot.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param locale  the locale (<code>null</code> not permitted).
 *
 * @return A pie chart.
 *
 * @since 1.0.7
 */
public static JFreeChart createPieChart(String title, PieDataset dataset, boolean legend, boolean tooltips,
        Locale locale) {

    PiePlot plot = new PiePlot(dataset);
    plot.setLabelGenerator(new StandardPieSectionLabelGenerator(locale));
    plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
    if (tooltips) {
        plot.setToolTipGenerator(new StandardPieToolTipGenerator(locale));
    }
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
    currentTheme.apply(chart);
    return chart;

}

From source file:KIDLYFactory.java

/**
 * Creates a pie chart with default settings.
 * <P>//from   w w w  .j av a2s  . c  om
 * The chart object returned by this method uses a {@link PiePlot} instance
 * as the plot.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 *
 * @return A pie chart.
 */
public static JFreeChart createPieChart(String title, PieDataset dataset, boolean legend, boolean tooltips,
        boolean urls) {

    PiePlot plot = new PiePlot(dataset);
    plot.setLabelGenerator(new StandardPieSectionLabelGenerator());
    plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
    if (tooltips) {
        plot.setToolTipGenerator(new StandardPieToolTipGenerator());
    }
    if (urls) {
        plot.setURLGenerator(new StandardPieURLGenerator());
    }
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
    currentTheme.apply(chart);
    return chart;
}

From source file:servlets.LeasingControllerServlet.java

public void doGetChart() {
    PieDataset pieDataset = createDataset();
    JFreeChart chart = ChartFactory.createPieChart("Tenant Mix ", pieDataset, true, true, false);
    //chart.setBackgroundPaint(new Color(222, 222, 255));
    final PiePlot plot = (PiePlot) chart.getPlot();
    plot.setBackgroundPaint(Color.white);
    plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0} {2}"));
    plot.setCircular(true);//from  w w w.j  a va2s .com
    plot.setSectionPaint("F&B", new Color(15, 192, 252));
    try {
        final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
        final File file1 = new File(
                getServletContext().getRealPath("") + "/leasingSystem/leasingSystemAssets/chart/piechart.png");
        ChartUtilities.saveChartAsPNG(file1, chart, 600, 400, info);
    } catch (Exception e) {
        System.out.println(e);

    }
}

From source file:KIDLYFactory.java

/**
 * Creates a pie chart with default settings that compares 2 datasets.
 * The colour of each section will be determined by the move from the value
 * for the same key in <code>previousDataset</code>. ie if value1 > value2
 * then the section will be in green (unless <code>greenForIncrease</code>
 * is <code>false</code>, in which case it would be <code>red</code>).
 * Each section can have a shade of red or green as the difference can be
 * tailored between 0% (black) and percentDiffForMaxScale% (bright
 * red/green)./*from w w  w  .  j a  v  a 2s .  c o m*/
 * <p>
 * For instance if <code>percentDiffForMaxScale</code> is 10 (10%), a
 * difference of 5% will have a half shade of red/green, a difference of
 * 10% or more will have a maximum shade/brightness of red/green.
 * <P>
 * The chart object returned by this method uses a {@link PiePlot} instance
 * as the plot.
 * <p>
 * Written by <a href="mailto:opensource@objectlab.co.uk">Benoit
 * Xhenseval</a>.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param previousDataset  the dataset for the last run, this will be used
 *                         to compare each key in the dataset
 * @param percentDiffForMaxScale scale goes from bright red/green to black,
 *                               percentDiffForMaxScale indicate the change
 *                               required to reach top scale.
 * @param greenForIncrease  an increase since previousDataset will be
 *                          displayed in green (decrease red) if true.
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param locale  the locale (<code>null</code> not permitted).
 * @param subTitle displays a subtitle with colour scheme if true
 * @param showDifference  create a new dataset that will show the %
 *                        difference between the two datasets.
 *
 * @return A pie chart.
 *
 * @since 1.0.7
 */
public static JFreeChart createPieChart(String title, PieDataset dataset, PieDataset previousDataset,
        int percentDiffForMaxScale, boolean greenForIncrease, boolean legend, boolean tooltips, Locale locale,
        boolean subTitle, boolean showDifference) {

    PiePlot plot = new PiePlot(dataset);
    plot.setLabelGenerator(new StandardPieSectionLabelGenerator(locale));
    plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));

    if (tooltips) {
        plot.setToolTipGenerator(new StandardPieToolTipGenerator(locale));
    }

    List keys = dataset.getKeys();
    DefaultPieDataset series = null;
    if (showDifference) {
        series = new DefaultPieDataset();
    }

    double colorPerPercent = 255.0 / percentDiffForMaxScale;
    for (Iterator it = keys.iterator(); it.hasNext();) {
        Comparable key = (Comparable) it.next();
        Number newValue = dataset.getValue(key);
        Number oldValue = previousDataset.getValue(key);

        if (oldValue == null) {
            if (greenForIncrease) {
                plot.setSectionPaint(key, Color.green);
            } else {
                plot.setSectionPaint(key, Color.red);
            }
            if (showDifference) {
                series.setValue(key + " (+100%)", newValue);
            }
        } else {
            double percentChange = (newValue.doubleValue() / oldValue.doubleValue() - 1.0) * 100.0;
            double shade = (Math.abs(percentChange) >= percentDiffForMaxScale ? 255
                    : Math.abs(percentChange) * colorPerPercent);
            if (greenForIncrease && newValue.doubleValue() > oldValue.doubleValue()
                    || !greenForIncrease && newValue.doubleValue() < oldValue.doubleValue()) {
                plot.setSectionPaint(key, new Color(0, (int) shade, 0));
            } else {
                plot.setSectionPaint(key, new Color((int) shade, 0, 0));
            }
            if (showDifference) {
                series.setValue(
                        key + " (" + (percentChange >= 0 ? "+" : "")
                                + NumberFormat.getPercentInstance().format(percentChange / 100.0) + ")",
                        newValue);
            }
        }
    }

    if (showDifference) {
        plot.setDataset(series);
    }

    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    if (subTitle) {
        TextTitle subtitle = null;
        subtitle = new TextTitle("Bright " + (greenForIncrease ? "red" : "green") + "=change >=-"
                + percentDiffForMaxScale + "%, Bright " + (!greenForIncrease ? "red" : "green") + "=change >=+"
                + percentDiffForMaxScale + "%", new Font("SansSerif", Font.PLAIN, 10));
        chart.addSubtitle(subtitle);
    }
    currentTheme.apply(chart);
    return chart;
}

From source file:KIDLYFactory.java

/**
 * Creates a pie chart with default settings that compares 2 datasets.
 * The colour of each section will be determined by the move from the value
 * for the same key in <code>previousDataset</code>. ie if value1 > value2
 * then the section will be in green (unless <code>greenForIncrease</code>
 * is <code>false</code>, in which case it would be <code>red</code>).
 * Each section can have a shade of red or green as the difference can be
 * tailored between 0% (black) and percentDiffForMaxScale% (bright
 * red/green)./*from ww  w  . ja  v a  2 s.c o m*/
 * <p>
 * For instance if <code>percentDiffForMaxScale</code> is 10 (10%), a
 * difference of 5% will have a half shade of red/green, a difference of
 * 10% or more will have a maximum shade/brightness of red/green.
 * <P>
 * The chart object returned by this method uses a {@link PiePlot} instance
 * as the plot.
 * <p>
 * Written by <a href="mailto:opensource@objectlab.co.uk">Benoit
 * Xhenseval</a>.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param previousDataset  the dataset for the last run, this will be used
 *                         to compare each key in the dataset
 * @param percentDiffForMaxScale scale goes from bright red/green to black,
 *                               percentDiffForMaxScale indicate the change
 *                               required to reach top scale.
 * @param greenForIncrease  an increase since previousDataset will be
 *                          displayed in green (decrease red) if true.
 * @param legend  a flag specifying whether or not a legend is required.
 * @param tooltips  configure chart to generate tool tips?
 * @param urls  configure chart to generate URLs?
 * @param subTitle displays a subtitle with colour scheme if true
 * @param showDifference  create a new dataset that will show the %
 *                        difference between the two datasets.
 *
 * @return A pie chart.
 */
public static JFreeChart createPieChart(String title, PieDataset dataset, PieDataset previousDataset,
        int percentDiffForMaxScale, boolean greenForIncrease, boolean legend, boolean tooltips, boolean urls,
        boolean subTitle, boolean showDifference) {

    PiePlot plot = new PiePlot(dataset);
    plot.setLabelGenerator(new StandardPieSectionLabelGenerator());
    plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));

    if (tooltips) {
        plot.setToolTipGenerator(new StandardPieToolTipGenerator());
    }
    if (urls) {
        plot.setURLGenerator(new StandardPieURLGenerator());
    }

    List keys = dataset.getKeys();
    DefaultPieDataset series = null;
    if (showDifference) {
        series = new DefaultPieDataset();
    }

    double colorPerPercent = 255.0 / percentDiffForMaxScale;
    for (Iterator it = keys.iterator(); it.hasNext();) {
        Comparable key = (Comparable) it.next();
        Number newValue = dataset.getValue(key);
        Number oldValue = previousDataset.getValue(key);

        if (oldValue == null) {
            if (greenForIncrease) {
                plot.setSectionPaint(key, Color.green);
            } else {
                plot.setSectionPaint(key, Color.red);
            }
            if (showDifference) {
                series.setValue(key + " (+100%)", newValue);
            }
        } else {
            double percentChange = (newValue.doubleValue() / oldValue.doubleValue() - 1.0) * 100.0;
            double shade = (Math.abs(percentChange) >= percentDiffForMaxScale ? 255
                    : Math.abs(percentChange) * colorPerPercent);
            if (greenForIncrease && newValue.doubleValue() > oldValue.doubleValue()
                    || !greenForIncrease && newValue.doubleValue() < oldValue.doubleValue()) {
                plot.setSectionPaint(key, new Color(0, (int) shade, 0));
            } else {
                plot.setSectionPaint(key, new Color((int) shade, 0, 0));
            }
            if (showDifference) {
                series.setValue(
                        key + " (" + (percentChange >= 0 ? "+" : "")
                                + NumberFormat.getPercentInstance().format(percentChange / 100.0) + ")",
                        newValue);
            }
        }
    }

    if (showDifference) {
        plot.setDataset(series);
    }

    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    if (subTitle) {
        TextTitle subtitle = null;
        subtitle = new TextTitle("Bright " + (greenForIncrease ? "red" : "green") + "=change >=-"
                + percentDiffForMaxScale + "%, Bright " + (!greenForIncrease ? "red" : "green") + "=change >=+"
                + percentDiffForMaxScale + "%", new Font("SansSerif", Font.PLAIN, 10));
        chart.addSubtitle(subtitle);
    }
    currentTheme.apply(chart);
    return chart;
}

From source file:org.pentaho.plugin.jfreereport.reportcharts.PieChartExpression.java

protected void configureChart(final JFreeChart chart) {
    super.configureChart(chart);

    final Plot plot = chart.getPlot();
    final PiePlot pp = (PiePlot) plot;
    final PieDataset pieDS = pp.getDataset();
    pp.setDirection(rotationClockwise ? Rotation.CLOCKWISE : Rotation.ANTICLOCKWISE);
    if ((explodeSegment != null) && (explodePct != null)) {
        configureExplode(pp);/*from w w  w.jav a2 s  . co  m*/
    }
    if (StringUtils.isEmpty(getTooltipFormula()) == false) {
        pp.setToolTipGenerator(new FormulaPieTooltipGenerator(getRuntime(), getTooltipFormula()));
    }
    if (StringUtils.isEmpty(getUrlFormula()) == false) {
        pp.setURLGenerator(new FormulaPieURLGenerator(getRuntime(), getUrlFormula()));
    }

    pp.setIgnoreNullValues(ignoreNulls);
    pp.setIgnoreZeroValues(ignoreZeros);
    if (Boolean.FALSE.equals(getItemsLabelVisible())) {
        pp.setLabelGenerator(null);
    } else {
        final ExpressionRuntime runtime = getRuntime();
        final Locale locale = runtime.getResourceBundleFactory().getLocale();

        final FastDecimalFormat fastPercent = new FastDecimalFormat(FastDecimalFormat.TYPE_PERCENT, locale);
        final FastDecimalFormat fastInteger = new FastDecimalFormat(FastDecimalFormat.TYPE_INTEGER, locale);

        final DecimalFormat numFormat = new DecimalFormat(fastInteger.getPattern(),
                new DecimalFormatSymbols(locale));
        numFormat.setRoundingMode(RoundingMode.HALF_UP);

        final DecimalFormat percentFormat = new DecimalFormat(fastPercent.getPattern(),
                new DecimalFormatSymbols(locale));
        percentFormat.setRoundingMode(RoundingMode.HALF_UP);

        final StandardPieSectionLabelGenerator labelGen = new StandardPieSectionLabelGenerator(pieLabelFormat,
                numFormat, percentFormat);
        pp.setLabelGenerator(labelGen);

        final StandardPieSectionLabelGenerator legendGen = new StandardPieSectionLabelGenerator(
                pieLegendLabelFormat, numFormat, percentFormat);
        pp.setLegendLabelGenerator(legendGen);
    }

    if (StringUtils.isEmpty(getLabelFont()) == false) {
        pp.setLabelFont(Font.decode(getLabelFont()));
    }

    if (pieDS != null) {
        final String[] colors = getSeriesColor();
        for (int i = 0; i < colors.length; i++) {
            if (i < pieDS.getItemCount()) {
                pp.setSectionPaint(pieDS.getKey(i), parseColorFromString(colors[i]));
            } else {
                break;
            }
        }
    }

    if (shadowPaint != null) {
        pp.setShadowPaint(shadowPaint);
    }
    if (shadowXOffset != null) {
        pp.setShadowXOffset(shadowXOffset.doubleValue());
    }
    if (shadowYOffset != null) {
        pp.setShadowYOffset(shadowYOffset.doubleValue());
    }
    pp.setCircular(circular);

    if (isShowBorder() == false || isChartSectionOutline() == false) {
        chart.setBorderVisible(false);
        chart.getPlot().setOutlineVisible(false);
    }

}