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

Example 56 with LegendItem

use of org.jfree.chart.legend.LegendItem in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class XYDotRenderer method getLegendItem.

/**
 * Returns a legend item for the specified series.
 *
 * @param datasetIndex  the dataset index (zero-based).
 * @param series  the series index (zero-based).
 *
 * @return A legend item for the series (possibly {@code null}).
 */
@Override
public LegendItem getLegendItem(int datasetIndex, int series) {
    // if the renderer isn't assigned to a plot, then we don't have a
    // dataset...
    XYPlot plot = getPlot();
    if (plot == null) {
        return null;
    }
    XYDataset dataset = plot.getDataset(datasetIndex);
    if (dataset == null) {
        return null;
    }
    LegendItem result = null;
    if (getItemVisible(series, 0)) {
        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);
        }
        Paint fillPaint = lookupSeriesPaint(series);
        result = new LegendItem(label, description, toolTipText, urlText, getLegendShape(), fillPaint);
        result.setLabelFont(lookupLegendTextFont(series));
        Paint labelPaint = lookupLegendTextPaint(series);
        if (labelPaint != null) {
            result.setLabelPaint(labelPaint);
        }
        result.setSeriesKey(dataset.getSeriesKey(series));
        result.setSeriesIndex(series);
        result.setDataset(dataset);
        result.setDatasetIndex(datasetIndex);
    }
    return result;
}

Example 57 with LegendItem

use of org.jfree.chart.legend.LegendItem in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class AbstractXYItemRenderer method getLegendItems.

/**
 * Returns a (possibly empty) collection of legend items for the series
 * that this renderer is responsible for drawing.
 *
 * @return The legend item collection (never {@code null}).
 */
@Override
public LegendItemCollection getLegendItems() {
    if (this.plot == null) {
        return new LegendItemCollection();
    }
    LegendItemCollection result = new LegendItemCollection();
    int index = this.plot.getIndexOf(this);
    XYDataset dataset = this.plot.getDataset(index);
    if (dataset != null) {
        int seriesCount = dataset.getSeriesCount();
        for (int i = 0; i < seriesCount; i++) {
            if (isSeriesVisibleInLegend(i)) {
                LegendItem item = getLegendItem(index, i);
                if (item != null) {
                    result.add(item);
                }
            }
        }
    }
    return result;
}

Example 58 with LegendItem

use of org.jfree.chart.legend.LegendItem in project ES-LEI-2Sem-2022-Grupo-1 by tmrbo-iscte.

the class ScatterRenderer 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 cp = getPlot();
    if (cp == null) {
        return null;
    }
    if (isSeriesVisible(series) && isSeriesVisibleInLegend(series)) {
        CategoryDataset dataset = cp.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);
        Paint fillPaint = (this.useFillPaint ? getItemFillPaint(series, 0) : paint);
        boolean shapeOutlineVisible = this.drawOutlines;
        Paint outlinePaint = (this.useOutlinePaint ? getItemOutlinePaint(series, 0) : paint);
        Stroke outlineStroke = lookupSeriesOutlineStroke(series);
        LegendItem result = new LegendItem(label, description, toolTipText, urlText, true, shape, getItemShapeFilled(series, 0), fillPaint, shapeOutlineVisible, outlinePaint, outlineStroke, false, new Line2D.Double(-7.0, 0.0, 7.0, 0.0), getItemStroke(series, 0), getItemPaint(series, 0));
        result.setLabelFont(lookupLegendTextFont(series));
        Paint labelPaint = lookupLegendTextPaint(series);
        if (labelPaint != null) {
            result.setLabelPaint(labelPaint);
        }
        result.setDataset(dataset);
        result.setDatasetIndex(datasetIndex);
        result.setSeriesKey(dataset.getRowKey(series));
        result.setSeriesIndex(series);
        return result;
    }
    return null;
}