Example usage for org.jfree.data.general DefaultPieDataset getKeys

Introduction

In this page you can find the example usage for org.jfree.data.general DefaultPieDataset getKeys.

Prototype

@Override
public List getKeys() 

Source Link

Document

Returns the categories in the dataset.

Usage

From source file:draw.charts.PieRenderer.java

/**
 * Iterates through the Pie dataset keys and assigns proper colors to their
 * segments.//from  w w  w.j  av  a  2  s.com
 *
 * @param plot PiePlot object.
 * @param dataset DefaultPieDataset that the charts is drawn from.
 */
public void setColor(PiePlot plot, DefaultPieDataset dataset) {
    List<Comparable> keys = dataset.getKeys();
    int colorIndex;
    for (int i = 0; i < keys.size(); i++) {
        colorIndex = i % this.colors.length;
        plot.setSectionPaint(keys.get(i), this.colors[colorIndex]);
    }
}

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From source file:draw.charts.PieRenderer.java

/**
 * Iterates through the Pie dataset keys and assigns proper colors to their
 * segments./*from w  w  w  .j  av  a 2 s  .c o  m*/
 *
 * @param plot PiePlot3D object.
 * @param dataset DefaultPieDataset that the charts is drawn from.
 */
public void setColor(PiePlot3D plot, DefaultPieDataset dataset) {
    List<Comparable> keys = dataset.getKeys();
    int colorIndex;
    for (int i = 0; i < keys.size(); i++) {
        colorIndex = i % this.colors.length;
        plot.setSectionPaint(keys.get(i), this.colors[colorIndex]);
    }
}

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From source file:edu.monash.merc.struts2.action.TLSumChartAction.java

@SuppressWarnings("unchecked")
private void setColor(PiePlot plot, DefaultPieDataset dataset, Color[] colors) {
    List<Comparable> keys = dataset.getKeys();
    for (int i = 0; i < keys.size(); i++) {
        plot.setSectionPaint(keys.get(i), colors[i]);
    }/* w  ww  .  j  a v  a2s .c o  m*/
}

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From source file:edu.ku.brc.specify.plugins.ipadexporter.ChartHelper.java

/**
 * @param plot/*from   w w  w. j  a  v  a2  s  .com*/
 * @param dataset
 */
public void setColors(PiePlot plot, DefaultPieDataset dataset) {
    if (colors.size() == 0) {
        for (int i = 0; i < rgbs.length / 3; i++) {
            int inx = i * 3;
            colors.add(new Color(rgbs[inx], rgbs[inx + 1], rgbs[inx + 2]));
        }
    }
    List<?> keys = dataset.getKeys();
    for (int i = 0; i < keys.size(); i++) {
        int inx = i % this.colors.size();
        plot.setSectionPaint((Comparable<?>) keys.get(i), this.colors.get(inx));

        //System.out.println("Setting section paint " + keys.get(i).toString() + " " + 
        //  Colors.getColors()[aInt].toString());

    }
}

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From source file:uk.ac.lkl.cram.ui.report.Report.java

private void addLearningTypes() {
    MainDocumentPart mdp = wordMLPackage.getMainDocumentPart();
    mdp.addStyledParagraphOfText("Heading1", "Learning Types");
    LearningTypeChartMaker maker = new LearningTypeChartMaker(module);
    JFreeChart chart = maker.getChartPanel().getChart();
    DefaultPieDataset dataset = (DefaultPieDataset) maker.getDataset();
    Tbl table = factory.createTbl();/*  w w  w  . j  a  v  a2  s  .c  om*/
    double total = 0f;
    for (Object key : dataset.getKeys()) {
        total += (Double) dataset.getValue((Comparable) key);
    }
    boolean first = true;
    for (Object key : dataset.getKeys()) {
        Tr tableRow = factory.createTr();
        Tc tableCell = factory.createTc();
        TcPr tcpr = factory.createTcPr();
        tableCell.setTcPr(tcpr);
        VMerge vMerge = factory.createTcPrInnerVMerge();
        tcpr.setVMerge(vMerge);
        if (first) {
            vMerge.setVal("restart");
            /* Specify the height and width of the Pie Chart */
            int width = (int) (480f * 0.9f); /* Width of the chart */
            int height = (int) (360f * 0.9f); /* Height of the chart */
            tableCell.getContent().add(createChart(chart, width, height));
            first = false;
        } else {
            tableCell.getContent().add(factory.createP());
        }
        tableRow.getContent().add(tableCell);
        double percent = (Double) dataset.getValue((Comparable) key) / total;
        addSimpleTableCell(tableRow, key.toString());
        addTableCell(tableRow, PERCENT_FORMATTER.format(percent), JcEnumeration.RIGHT, false);
        table.getContent().add(tableRow);
    }
    addBorders(table);
    mdp.addObject(table);
}

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From source file:org.sakaiproject.sitestats.impl.chart.ChartServiceImpl.java

private AbstractDataset getPieDataset(Report report) {
    List<Stat> reportData = report.getReportData();

    // fill dataset
    DefaultPieDataset dataSet = new DefaultPieDataset();
    String dataSource = report.getReportDefinition().getReportParams().getHowChartSource();
    //int total = 0;
    double total = 0;
    for (Stat s : reportData) {
        Comparable key = getStatValue(s, dataSource);
        if (key != null) {
            try {
                Number existingValue = dataSet.getValue(key);
                dataSet.setValue(key, getTotalValue(existingValue, s, report));
                total += getTotalValue(s, report).doubleValue();
            } catch (UnknownKeyException e) {
                dataSet.setValue(key, getTotalValue(s, report));
                total += getTotalValue(s, report).doubleValue();
            }/*from  w w  w . j  ava2s. c  o  m*/
        }
    }

    // sort
    dataSet.sortByValues(SortOrder.DESCENDING);

    // fill in final key values in dataset
    // show only top values (aggregate remaining in 'others')
    int maxDisplayedItems = 10;
    int currItem = 1;
    Number othersValues = Integer.valueOf(0);
    List<Comparable> keys = dataSet.getKeys();
    for (Comparable key : keys) {
        Number existingValue = dataSet.getValue(key);
        if (currItem < maxDisplayedItems) {
            // re-compute values
            double percentage = (double) existingValue.doubleValue() * 100 / total;
            double valuePercentage = Util.round(percentage, (percentage > 0.1) ? 1 : 2);
            // replace key with updated label
            StringBuilder keyStr = new StringBuilder(key.toString());
            keyStr.append(' ');
            keyStr.append(valuePercentage);
            keyStr.append("% (");
            if ((double) existingValue.intValue() == existingValue.doubleValue())
                keyStr.append(existingValue.intValue());
            else
                keyStr.append(existingValue.doubleValue());
            keyStr.append(")");
            dataSet.remove(key);
            dataSet.setValue(keyStr.toString(), existingValue);
        } else {
            othersValues = Integer.valueOf(othersValues.intValue() + existingValue.intValue());
            dataSet.remove(key);
        }
        currItem++;
    }
    // compute "Others" value
    if (othersValues.intValue() > 0) {
        double percentage = (double) othersValues.doubleValue() * 100 / total;
        double valuePercentage = Util.round(percentage, (percentage > 0.1) ? 1 : 2);
        // replace key with updated label
        StringBuilder keyStr = new StringBuilder(msgs.getString("pie_chart_others"));
        keyStr.append(' ');
        keyStr.append(valuePercentage);
        keyStr.append("% (");
        if ((double) othersValues.intValue() == othersValues.doubleValue())
            keyStr.append(othersValues.intValue());
        else
            keyStr.append(othersValues.doubleValue());
        keyStr.append(")");
        dataSet.setValue(keyStr.toString(), othersValues);
    }

    return dataSet;
}

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