Examples with LegendItem org.jfree.chart.LegendItem used on opensource projects

Example 11 with LegendItem

use of org.jfree.chart.LegendItem in project SIMVA-SoS by SESoS.

the class XYAreaRenderer2 method getLegendItem.

/**
 * Returns a default legend item for the specified series.  Subclasses
 * should override this method to generate customised items.
 *
 * @param datasetIndex  the dataset index (zero-based).
 * @param series  the series index (zero-based).
 *
 * @return A legend item for the series.
 */
@Override
public LegendItem getLegendItem(int datasetIndex, int series) {
    LegendItem result = null;
    XYPlot xyplot = getPlot();
    if (xyplot != null) {
        XYDataset dataset = xyplot.getDataset(datasetIndex);
        if (dataset != null) {
            XYSeriesLabelGenerator lg = getLegendItemLabelGenerator();
            String label = lg.generateLabel(dataset, series);
            String description = label;
            String toolTipText = null;
            if (getLegendItemToolTipGenerator() != null) {
                toolTipText = getLegendItemToolTipGenerator().generateLabel(dataset, series);
            }
            String urlText = null;
            if (getLegendItemURLGenerator() != null) {
                urlText = getLegendItemURLGenerator().generateLabel(dataset, series);
            }
            Paint paint = lookupSeriesPaint(series);
            result = new LegendItem(label, description, toolTipText, urlText, this.legendArea, paint);
            result.setLabelFont(lookupLegendTextFont(series));
            Paint labelPaint = lookupLegendTextPaint(series);
            if (labelPaint != null) {
                result.setLabelPaint(labelPaint);
            }
            result.setDataset(dataset);
            result.setDatasetIndex(datasetIndex);
            result.setSeriesKey(dataset.getSeriesKey(series));
            result.setSeriesIndex(series);
        }
    }
    return result;
}

Example 12 with LegendItem

use of org.jfree.chart.LegendItem in project SIMVA-SoS by SESoS.

the class CategoryStepRenderer method getLegendItem.

/**
 * Returns a legend item for a series.
 *
 * @param datasetIndex  the dataset index (zero-based).
 * @param series  the series index (zero-based).
 *
 * @return The legend item.
 */
@Override
public LegendItem getLegendItem(int datasetIndex, int series) {
    CategoryPlot p = getPlot();
    if (p == null) {
        return null;
    }
    // check that a legend item needs to be displayed...
    if (!isSeriesVisible(series) || !isSeriesVisibleInLegend(series)) {
        return null;
    }
    CategoryDataset dataset = p.getDataset(datasetIndex);
    String label = getLegendItemLabelGenerator().generateLabel(dataset, series);
    String description = label;
    String toolTipText = null;
    if (getLegendItemToolTipGenerator() != null) {
        toolTipText = getLegendItemToolTipGenerator().generateLabel(dataset, series);
    }
    String urlText = null;
    if (getLegendItemURLGenerator() != null) {
        urlText = getLegendItemURLGenerator().generateLabel(dataset, series);
    }
    Shape shape = lookupLegendShape(series);
    Paint paint = lookupSeriesPaint(series);
    LegendItem item = new LegendItem(label, description, toolTipText, urlText, shape, paint);
    item.setLabelFont(lookupLegendTextFont(series));
    Paint labelPaint = lookupLegendTextPaint(series);
    if (labelPaint != null) {
        item.setLabelPaint(labelPaint);
    }
    item.setSeriesKey(dataset.getRowKey(series));
    item.setSeriesIndex(series);
    item.setDataset(dataset);
    item.setDatasetIndex(datasetIndex);
    return item;
}

Example 13 with LegendItem

use of org.jfree.chart.LegendItem in project SIMVA-SoS by SESoS.

the class PiePlot method getLegendItems.

/**
 * Returns a collection of legend items for the pie chart.
 *
 * @return The legend items (never <code>null</code>).
 */
@Override
public LegendItemCollection getLegendItems() {
    LegendItemCollection result = new LegendItemCollection();
    if (this.dataset == null) {
        return result;
    }
    List keys = this.dataset.getKeys();
    int section = 0;
    Shape shape = getLegendItemShape();
    Iterator iterator = keys.iterator();
    while (iterator.hasNext()) {
        Comparable key = (Comparable) iterator.next();
        Number n = this.dataset.getValue(key);
        boolean include;
        if (n == null) {
            include = !this.ignoreNullValues;
        } else {
            double v = n.doubleValue();
            if (v == 0.0) {
                include = !this.ignoreZeroValues;
            } else {
                include = v > 0.0;
            }
        }
        if (include) {
            String label = this.legendLabelGenerator.generateSectionLabel(this.dataset, key);
            if (label != null) {
                String description = label;
                String toolTipText = null;
                if (this.legendLabelToolTipGenerator != null) {
                    toolTipText = this.legendLabelToolTipGenerator.generateSectionLabel(this.dataset, key);
                }
                String urlText = null;
                if (this.legendLabelURLGenerator != null) {
                    urlText = this.legendLabelURLGenerator.generateURL(this.dataset, key, this.pieIndex);
                }
                Paint paint = lookupSectionPaint(key);
                Paint outlinePaint = lookupSectionOutlinePaint(key);
                Stroke outlineStroke = lookupSectionOutlineStroke(key);
                LegendItem item = new LegendItem(label, description, toolTipText, urlText, true, shape, true, paint, true, outlinePaint, outlineStroke, // line not visible
                false, new Line2D.Float(), new BasicStroke(), Color.black);
                item.setDataset(getDataset());
                item.setSeriesIndex(this.dataset.getIndex(key));
                item.setSeriesKey(key);
                result.add(item);
            }
            section++;
        } else {
            section++;
        }
    }
    return result;
}

Example 14 with LegendItem

use of org.jfree.chart.LegendItem in project SIMVA-SoS by SESoS.

the class MeterPlot method getLegendItems.

/**
 * Returns an item for each interval.
 *
 * @return A collection of legend items.
 */
@Override
public LegendItemCollection getLegendItems() {
    LegendItemCollection result = new LegendItemCollection();
    Iterator iterator = this.intervals.iterator();
    while (iterator.hasNext()) {
        MeterInterval mi = (MeterInterval) iterator.next();
        Paint color = mi.getBackgroundPaint();
        if (color == null) {
            color = mi.getOutlinePaint();
        }
        LegendItem item = new LegendItem(mi.getLabel(), mi.getLabel(), null, null, new Rectangle2D.Double(-4.0, -4.0, 8.0, 8.0), color);
        item.setDataset(getDataset());
        result.add(item);
    }
    return result;
}

Example 15 with LegendItem

use of org.jfree.chart.LegendItem in project SIMVA-SoS by SESoS.

the class PolarPlotTest method testGetLegendItems.

/**
 * Some checks for the getLegendItems() method.
 */
@Test
public void testGetLegendItems() {
    XYSeriesCollection d = new XYSeriesCollection();
    d.addSeries(new XYSeries("A"));
    d.addSeries(new XYSeries("B"));
    DefaultPolarItemRenderer r = new DefaultPolarItemRenderer();
    PolarPlot plot = new PolarPlot();
    plot.setDataset(d);
    plot.setRenderer(r);
    LegendItemCollection items = plot.getLegendItems();
    assertEquals(2, items.getItemCount());
    LegendItem item1 = items.get(0);
    assertEquals("A", item1.getLabel());
    LegendItem item2 = items.get(1);
    assertEquals("B", item2.getLabel());
}