Example usage for org.jfree.data.general PieDataset getValue

List of usage examples for org.jfree.data.general PieDataset getValue

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Introduction

In this page you can find the example usage for org.jfree.data.general PieDataset getValue.

Prototype

public Number getValue(Comparable key);

Source Link

Document

Returns the value for a given key.

Usage

From source file:org.openfaces.component.chart.impl.helpers.ChartInfoUtil.java

public static PieSectorInfo getPieSectorInfo(PieDataset pieDataset, Comparable comparable, int dsIndex) {
    double total = 0;
    List keys = pieDataset.getKeys();
    for (Object key : keys) {
        Object value = pieDataset.getValue((Comparable) key);
        if (value != null) {
            double dValue = ((Number) value).doubleValue();
            if (dValue > 0)
                total = total + dValue;//from  ww w .  j av  a  2  s .com
        }
    }
    int index = pieDataset.getIndex(comparable);

    Object value = pieDataset.getValue(index);
    double dValue = 0;
    if (value != null) {
        dValue = ((Number) value).doubleValue();
    }

    PieSectorInfo sector = new PieSectorInfoImpl();
    sector.setKey(comparable);
    sector.setValue(value);
    sector.setSeriesTotal(total);
    sector.setIndex(index);
    sector.setSeries(new SeriesInfoImpl());

    sector.getSeries().setIndex(dsIndex);

    double p = (dValue / total);
    DecimalFormat nf1 = new DecimalFormat("#.00%");
    String proportionalPercent = nf1.format(p);

    sector.setProportionalValue(proportionalPercent);
    return sector;
}

From source file:canreg.client.analysis.Tools.java

public static String getChartData(JFreeChart chart, String separatingCharacter, boolean quotesOn) {

    String endLine = "\n";
    String quotes = "";
    if (quotesOn) {
        quotes = "\"";
    }//from  w w  w . ja v a  2  s . c o  m

    StringBuilder stringBuilder = new StringBuilder();
    String plotType = chart.getPlot().getPlotType();
    // System.out.println("Plot Type: " + plotType);

    if (plotType.equalsIgnoreCase("Pie Plot")) {
        PiePlot plot = (PiePlot) chart.getPlot();
        PieDataset dataset = plot.getDataset();

        Comparable key;

        for (int i = 0; i < dataset.getKeys().size(); i++) {
            key = dataset.getKey(i);
            stringBuilder.append(quotes).append(key).append(quotes).append(separatingCharacter).append(quotes)
                    .append(dataset.getValue(key)).append(quotes).append(endLine);
        }
    } else if (plotType.equalsIgnoreCase("Category Plot")) {
        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        CategoryDataset dataset = plot.getDataset();

        Comparable rowkey;
        Comparable columnkey;

        for (int r = 0; r < dataset.getRowCount(); r++) {
            rowkey = dataset.getRowKey(r);
            columnkey = dataset.getColumnKey(r); // this is weird... but it works!
            stringBuilder.append(quotes).append(columnkey).append(quotes).append(separatingCharacter)
                    .append(quotes).append(dataset.getValue(rowkey, columnkey)).append(quotes).append(endLine);
        }
    }
    return stringBuilder.toString();
}

From source file:lucee.runtime.chart.PieSectionLabelGeneratorImpl.java

public String generateSectionLabel(PieDataset pd, Comparable c) {
    double value = Caster.toDoubleValue(pd.getValue(c), true, 0.0);
    return LabelFormatUtil.format(labelFormat, value);
}

From source file:unikn.dbis.univis.visualization.chart.LabelGenerator.java

/**
 * Generates a label for a pie section./* w  w w  .  j  av a  2s  .com*/
 *
 * @param dataset the dataset (<code>null</code> not permitted).
 * @param key     the section key (<code>null</code> not permitted).
 * @return The label (possibly <code>null</code>).
 */
public String generateSectionLabel(PieDataset dataset, Comparable key) {
    Integer value = dataset.getValue(key).intValue();
    Comparable name = dataset.getKey(dataset.getIndex(key));
    Double percent = ((full / total) * value);

    return name.toString() + " = " + value.toString() + " -> " + decimalFormat.format(percent) + "%";
}

From source file:lucee.runtime.chart.PieToolTipGeneratorImpl.java

@Override
public String generateToolTip(PieDataset dataset, Comparable key) {

    String result = null;//from w  w  w.  j av a2 s  .  c o  m
    if (dataset != null) {
        result = LabelFormatUtil.format(labelFormat, dataset.getValue(key).doubleValue());
    }
    return result;

    // TODO Auto-generated method stub
    //return toolTipGenerator.generateToolTip(dataset, key);
}

From source file:de.xirp.chart.CustomLabelGenerator.java

/**
 * Generates a section label for the given
 * {@link org.jfree.data.general.PieDataset} and key. If
 * <code>options.is(OptionName.USE_RELATIVE)</code> is
 * <code>true</code> the method returns a string containing
 * information about percentage. If is is <code>false</code> the
 * method returns a string containing information about absolute
 * occurrence.//w w  w  .  ja  va  2 s.c  om
 * 
 * @return A <code>String</code> containing either information
 *         about percentage or absolute occurrences. This text is
 *         set as label in the generated pie chart.
 * @see de.xirp.chart.ChartManager
 * @see org.jfree.chart.labels.PieSectionLabelGenerator#generateSectionLabel(org.jfree.data.general.PieDataset,
 *      java.lang.Comparable)
 */
public String generateSectionLabel(PieDataset dataset, Comparable key) {
    String result = null;
    if (dataset != null) {
        result = key + " " + dataset.getValue(key).toString(); //$NON-NLS-1$
        if (options.is(OptionName.USE_RELATIVE)) {
            result = result + I18n.getString("CustomLabelGenerator.text.percentOccurence"); //$NON-NLS-1$
        } else {
            result = result + I18n.getString("CustomLabelGenerator.text.occurence"); //$NON-NLS-1$
        }
    }
    return result;
}

From source file:org.hxzon.demo.jfreechart.PieDatasetDemo2.java

private static JFreeChart createPieChart(PieDataset dataset, PieDataset previousDataset) {
    final boolean greenForIncrease = true;
    final boolean subTitle = true;
    final boolean showDifference = true;
    int percentDiffForMaxScale = 20;
    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());
    }//ww  w .java2 s . c o m
    if (urls) {
        plot.setURLGenerator(new StandardPieURLGenerator());
    }

    @SuppressWarnings({ "rawtypes", "unchecked" })
    List<Comparable> keys = dataset.getKeys();
    DefaultPieDataset series = null;
    if (showDifference) {
        series = new DefaultPieDataset();
    }

    double colorPerPercent = 255.0 / percentDiffForMaxScale;
    for (@SuppressWarnings("rawtypes")
    Comparable key : keys) {
        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("Pie Chart Demo 2", 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);
    }
    plot.setNoDataMessage("No data available");

    return chart;

}

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

/**
 * Generates a tool tip text item for the specified item in the dataset. This method can return <code>null</code> to
 * indicate that no tool tip should be displayed for an item.
 *
 * @param dataset the dataset (<code>null</code> not permitted).
 * @param key     the section key (<code>null</code> not permitted).
 * @return The tool tip text (possibly <code>null</code>).
 *///  ww w .  ja  va2 s.  c  om
public String generateToolTip(PieDataset dataset, Comparable key) {
    try {
        final Object[] keys = dataset.getKeys().toArray();
        final Object[] items = new Object[keys.length];
        for (int i = 0; i < keys.length; i++) {
            items[i] = dataset.getValue(i);
        }
        final Object[] values = new Object[] { key, keys, dataset.getValue(key), items,
                IntegerCache.getInteger(dataset.getIndex(key)) };
        formulaExpression.setRuntime(
                new WrapperExpressionRuntime(new StaticDataRow(ADDITIONAL_COLUMN_KEYS, values), runtime));
        final Object o = formulaExpression.getValue();
        if (o == null) {
            return null;
        }
        return String.valueOf(o);
    } finally {
        formulaExpression.setRuntime(null);
    }
}

From source file:com.newatlanta.bluedragon.PieURLGenerator.java

/**
 * Generates a URL./*from  ww w.ja v  a2s .co  m*/
 *
 * @param data  the dataset.
 * @param key  the item key.
 * @param pieIndex  the pie index (ignored).
 *
 * @return A string containing the generated URL.
 */
@SuppressWarnings("deprecation")
public String generateURL(PieDataset data, Comparable key, int pieIndex) {

    String categoryKey = key.toString();
    Number numberValue = data.getValue(key);
    String value;
    if (numberValue == null)
        value = "";
    else if (dateFormat != null)
        value = this.dateFormat.format(numberValue);
    else
        value = this.numberFormat.format(numberValue);

    StringBuilder generatedURL = new StringBuilder(urlLower.length());
    for (int i = 0; i < urlLower.length();) {
        char ch = urlLower.charAt(i);
        if (ch == '$') {
            if (urlLower.regionMatches(i, "$serieslabel$", 0, "$serieslabel$".length())) {
                generatedURL.append("");
                i = i + "$serieslabel$".length();
            } else if (urlLower.regionMatches(i, "$itemlabel$", 0, "$itemlabel$".length())) {
                generatedURL.append(URLEncoder.encode(categoryKey));
                i = i + "$itemlabel$".length();
            } else if (urlLower.regionMatches(i, "$value$", 0, "$value$".length())) {
                generatedURL.append(URLEncoder.encode(value));
                i = i + "$value$".length();
            } else {
                // Preserve case by retrieving char from original URL
                generatedURL.append(url.charAt(i));
                i++;
            }
        } else {
            // Preserve case by retrieving char from original URL
            generatedURL.append(url.charAt(i));
            i++;
        }
    }
    return generatedURL.toString();
}

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

/**
 * Generates a URL for one item in a {@link org.jfree.data.general.PieDataset}. As a guideline, the URL should be
 * valid within the context of an XHTML 1.0 document.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param key      the item key (<code>null</code> not permitted).
 * @param pieIndex the pie index (differentiates between pies in a 'multi' pie chart).
 * @return A string containing the URL./*from   ww  w. j a  v  a  2s .  c om*/
 */
public String generateURL(final PieDataset dataset, final Comparable key, final int pieIndex) {
    try {
        final Object[] keys = dataset.getKeys().toArray();
        final Object[] items = new Object[keys.length];
        for (int i = 0; i < keys.length; i++) {
            items[i] = dataset.getValue(key);
        }
        final Object[] values = new Object[] { key, keys, dataset.getValue(key), items,
                IntegerCache.getInteger(pieIndex) };
        formulaExpression.setRuntime(
                new WrapperExpressionRuntime(new StaticDataRow(ADDITIONAL_COLUMN_KEYS, values), runtime));
        final Object o = formulaExpression.getValue();
        if (o == null) {
            return null;
        }
        return String.valueOf(o);
    } finally {
        formulaExpression.setRuntime(null);
    }
}