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

Example 26 with LegendItem

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

the class BarRenderer 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 (possibly {@code null}).
 */
@Override
public LegendItem getLegendItem(int datasetIndex, int series) {
    CategoryPlot cp = getPlot();
    if (cp == null) {
        return null;
    }
    // check that a legend item needs to be displayed...
    if (!isSeriesVisible(series) || !isSeriesVisibleInLegend(series)) {
        return null;
    }
    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 outlinePaint = lookupSeriesOutlinePaint(series);
    Stroke outlineStroke = lookupSeriesOutlineStroke(series);
    LegendItem result = new LegendItem(label, description, toolTipText, urlText, true, shape, true, paint, isDrawBarOutline(), outlinePaint, outlineStroke, false, new Line2D.Float(), new BasicStroke(1.0f), Color.BLACK);
    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);
    if (this.gradientPaintTransformer != null) {
        result.setFillPaintTransformer(this.gradientPaintTransformer);
    }
    return result;
}

Example 27 with LegendItem

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

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 28 with LegendItem

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

the class AbstractCategoryItemRenderer 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}).
 *
 * @see #getLegendItem(int, int)
 */
@Override
public LegendItemCollection getLegendItems() {
    LegendItemCollection result = new LegendItemCollection();
    if (this.plot == null) {
        return result;
    }
    int index = this.plot.getIndexOf(this);
    CategoryDataset dataset = this.plot.getDataset(index);
    if (dataset == null) {
        return result;
    }
    int seriesCount = dataset.getRowCount();
    if (plot.getRowRenderingOrder().equals(SortOrder.ASCENDING)) {
        for (int i = 0; i < seriesCount; i++) {
            if (isSeriesVisibleInLegend(i)) {
                LegendItem item = getLegendItem(index, i);
                if (item != null) {
                    result.add(item);
                }
            }
        }
    } else {
        for (int i = seriesCount - 1; i >= 0; i--) {
            if (isSeriesVisibleInLegend(i)) {
                LegendItem item = getLegendItem(index, i);
                if (item != null) {
                    result.add(item);
                }
            }
        }
    }
    return result;
}

Example 29 with LegendItem

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

the class XYAreaRenderer 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 30 with LegendItem

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

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();
    for (MeterInterval mi : intervals) {
        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;
}