private static LegendTitle createLegend(String legend1Text, String legend2Text) {
final LegendItemCollection legendItems = new LegendItemCollection();
FontRenderContext frc = new FontRenderContext(null, true, true);
Font legenfont = new Font(Font.SANS_SERIF, Font.BOLD, 12);
GlyphVector gv = legenfont.createGlyphVector(frc, new char[] {'X', 'X'});
Shape shape = gv.getVisualBounds();
Rectangle2D bounds = shape.getBounds2D();
HatchedRectangle hatchShape =
new HatchedRectangle(
bounds.getX(), bounds.getY(), bounds.getWidth(), bounds.getHeight(), 5, 5);
{
LegendItem li = new LegendItem(legend1Text, null, null, null, hatchShape, Color.black);
li.setLabelFont(legenfont);
legendItems.add(li);
}
{
LegendItem li = new LegendItem(legend2Text, null, null, null, shape, Color.black);
li.setLabelFont(legenfont);
legendItems.add(li);
}
LegendTitle legend =
new LegendTitle(
new LegendItemSource() {
@Override
public LegendItemCollection getLegendItems() {
return legendItems;
}
});
legend.setPosition(RectangleEdge.BOTTOM);
legend.setMargin(new RectangleInsets(0, 30, 0, 0));
legend.setPadding(RectangleInsets.ZERO_INSETS);
legend.setLegendItemGraphicPadding(new RectangleInsets(0, 20, 0, 0));
return legend;
}
/**
* Creates a title item (i.e. bold font etc.) with the given string. Simply gets the default font
* from the plotConfig and sets it style to bold.
*
* @return The created legend item.
*/
private LegendItem createTitleLegendItem(
String titleString, PlotConfiguration plotConfiguration) {
LegendItem titleItem =
new LegendItem(
titleString,
"",
"",
"",
false,
new Rectangle(),
false,
Color.WHITE,
false,
Color.WHITE,
new BasicStroke(),
false,
new Rectangle(),
new BasicStroke(),
Color.WHITE);
Font titleFont = titleItem.getLabelFont();
if (titleFont == null) {
titleFont = plotConfiguration.getLegendConfiguration().getLegendFont();
}
titleItem.setLabelFont(titleFont.deriveFont(Font.BOLD));
return titleItem;
}
/**
* Returns a legend item for the specified series. The default method is overridden so that the
* legend displays circles for all series.
*
* @param datasetIndex the dataset index (zero-based).
* @param series the series index (zero-based).
* @return A legend item for the series.
*/
public LegendItem getLegendItem(int datasetIndex, int series) {
LegendItem result = null;
XYPlot plot = getPlot();
if (plot == null) {
return null;
}
XYDataset dataset = plot.getDataset(datasetIndex);
if (dataset != 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);
}
Shape shape = lookupLegendShape(series);
Paint paint = lookupSeriesPaint(series);
Paint outlinePaint = lookupSeriesOutlinePaint(series);
Stroke outlineStroke = lookupSeriesOutlineStroke(series);
result =
new LegendItem(
label,
description,
toolTipText,
urlText,
shape,
paint,
outlineStroke,
outlinePaint);
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;
}
/**
* 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) {
XYPlot xyplot = getPlot();
if (xyplot == null) {
return null;
}
XYDataset dataset = xyplot.getDataset(datasetIndex);
if (dataset == null) {
return null;
}
LegendItem result;
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);
}
Shape shape = this.legendBar;
Paint paint = lookupSeriesPaint(series);
Paint outlinePaint = lookupSeriesOutlinePaint(series);
Stroke outlineStroke = lookupSeriesOutlineStroke(series);
if (this.drawBarOutline) {
result =
new LegendItem(
label, description, toolTipText, urlText, shape, paint, outlineStroke, outlinePaint);
} else {
result = new LegendItem(label, description, toolTipText, urlText, shape, 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);
if (getGradientPaintTransformer() != null) {
result.setFillPaintTransformer(getGradientPaintTransformer());
}
return result;
}
/**
* 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) {
// if there is no plot, there is no dataset to access...
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, shape, paint, outlineStroke, outlinePaint);
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;
}
/**
* 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.
*/
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;
}
/**
* 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) {
XYPlot plot = getPlot();
if (plot == null) {
return null;
}
XYDataset dataset = plot.getDataset(datasetIndex);
if (dataset == null) {
return null;
}
if (!getItemVisible(series, 0)) {
return null;
}
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);
}
boolean shapeIsVisible = getItemShapeVisible(series, 0);
Shape shape = lookupLegendShape(series);
boolean shapeIsFilled = getItemShapeFilled(series, 0);
Paint fillPaint =
(this.useFillPaint ? lookupSeriesFillPaint(series) : lookupSeriesPaint(series));
boolean shapeOutlineVisible = this.drawOutlines;
Paint outlinePaint =
(this.useOutlinePaint ? lookupSeriesOutlinePaint(series) : lookupSeriesPaint(series));
Stroke outlineStroke = lookupSeriesOutlineStroke(series);
boolean lineVisible = getItemLineVisible(series, 0);
Stroke lineStroke = lookupSeriesStroke(series);
Paint linePaint = lookupSeriesPaint(series);
LegendItem result =
new LegendItem(
label,
description,
toolTipText,
urlText,
shapeIsVisible,
shape,
shapeIsFilled,
fillPaint,
shapeOutlineVisible,
outlinePaint,
outlineStroke,
lineVisible,
this.legendLine,
lineStroke,
linePaint);
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;
}