protected void configurePlot(Plot plot, JRChartPlot jrPlot) {
super.configurePlot(plot, jrPlot);
if (plot instanceof CategoryPlot) {
CategoryPlot categoryPlot = (CategoryPlot) plot;
CategoryItemRenderer categoryRenderer = categoryPlot.getRenderer();
CategoryDataset categoryDataset = categoryPlot.getDataset();
if (categoryDataset != null) {
for (int i = 0; i < categoryDataset.getRowCount(); i++) {
categoryRenderer.setSeriesOutlinePaint(i, ChartThemesConstants.TRANSPARENT_PAINT);
}
}
categoryPlot.setRangeGridlinePaint(ChartThemesConstants.GRAY_PAINT_217);
categoryPlot.setRangeGridlineStroke(new BasicStroke(0.5f));
categoryPlot.setDomainGridlinesVisible(false);
categoryPlot.getDomainAxis().setCategoryLabelPositions(CategoryLabelPositions.UP_45);
} else if (plot instanceof XYPlot) {
XYPlot xyPlot = (XYPlot) plot;
XYItemRenderer xyItemRenderer = xyPlot.getRenderer();
XYDataset xyDataset = xyPlot.getDataset();
if (xyDataset != null) {
for (int i = 0; i < xyDataset.getSeriesCount(); i++) {
xyItemRenderer.setSeriesOutlinePaint(i, ChartThemesConstants.TRANSPARENT_PAINT);
}
}
xyPlot.setRangeGridlinePaint(ChartThemesConstants.GRAY_PAINT_217);
xyPlot.setRangeGridlineStroke(new BasicStroke(0.5f));
xyPlot.setDomainGridlinesVisible(false);
xyPlot.setRangeZeroBaselineVisible(true);
}
}
/**
* 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;
}
CategoryDataset dataset;
dataset = p.getDataset(datasetIndex);
String label = this.legendItemLabelGenerator.generateLabel(dataset, series);
String description = label;
String toolTipText = null;
if (this.legendItemToolTipGenerator != null) {
toolTipText = this.legendItemToolTipGenerator.generateLabel(dataset, series);
}
String urlText = null;
if (this.legendItemURLGenerator != null) {
urlText = this.legendItemURLGenerator.generateLabel(dataset, series);
}
Shape shape = getSeriesShape(series);
Paint paint = getSeriesPaint(series);
Paint outlinePaint = getSeriesOutlinePaint(series);
Stroke outlineStroke = getSeriesOutlineStroke(series);
// TODO: generate attributed label
return new LegendItem(
label, description, toolTipText, urlText, shape, paint, outlineStroke, outlinePaint);
}
protected JFreeChart createStackedBar3DChart() throws JRException {
JFreeChart jfreeChart = super.createStackedBar3DChart();
CategoryPlot categoryPlot = (CategoryPlot) jfreeChart.getPlot();
BarRenderer3D barRenderer3D = (BarRenderer3D) categoryPlot.getRenderer();
barRenderer3D.setWallPaint(ChartThemesConstants.TRANSPARENT_PAINT);
barRenderer3D.setItemMargin(0);
CategoryDataset categoryDataset = categoryPlot.getDataset();
if (categoryDataset != null) {
for (int i = 0; i < categoryDataset.getRowCount(); i++) {
barRenderer3D.setSeriesOutlinePaint(i, ChartThemesConstants.TRANSPARENT_PAINT);
}
}
return jfreeChart;
}
/**
* Initialises the renderer. This method gets called once at the start of the process of drawing a
* chart.
*
* @param g2 the graphics device.
* @param dataArea the area in which the data is to be plotted.
* @param plot the plot.
* @param rendererIndex the renderer index.
* @param info collects chart rendering information for return to caller.
* @return The renderer state.
*/
public CategoryItemRendererState initialise(
Graphics2D g2,
Rectangle2D dataArea,
CategoryPlot plot,
int rendererIndex,
PlotRenderingInfo info) {
CategoryItemRendererState state = super.initialise(g2, dataArea, plot, rendererIndex, info);
// calculate the box width
CategoryAxis domainAxis = getDomainAxis(plot, rendererIndex);
CategoryDataset dataset = plot.getDataset(rendererIndex);
if (dataset != null) {
int columns = dataset.getColumnCount();
int rows = dataset.getRowCount();
double space = 0.0;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
space = dataArea.getHeight();
} else if (orientation == PlotOrientation.VERTICAL) {
space = dataArea.getWidth();
}
double maxWidth = space * getMaximumBarWidth();
double categoryMargin = 0.0;
double currentItemMargin = 0.0;
if (columns > 1) {
categoryMargin = domainAxis.getCategoryMargin();
}
if (rows > 1) {
currentItemMargin = getItemMargin();
}
double used =
space
* (1
- domainAxis.getLowerMargin()
- domainAxis.getUpperMargin()
- categoryMargin
- currentItemMargin);
if ((rows * columns) > 0) {
state.setBarWidth(
Math.min(used / (dataset.getColumnCount() * dataset.getRowCount()), maxWidth));
} else {
state.setBarWidth(Math.min(used, maxWidth));
}
}
return state;
}
protected JFreeChart createGanttChart() throws JRException {
JFreeChart jfreeChart = super.createGanttChart();
CategoryPlot categoryPlot = (CategoryPlot) jfreeChart.getPlot();
categoryPlot.getDomainAxis().setCategoryLabelPositions(CategoryLabelPositions.STANDARD);
categoryPlot.setDomainGridlinesVisible(true);
categoryPlot.setDomainGridlinePosition(CategoryAnchor.END);
categoryPlot.setDomainGridlineStroke(
new BasicStroke(
0.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 50, new float[] {1}, 0));
categoryPlot.setDomainGridlinePaint(ChartThemesConstants.GRAY_PAINT_217);
categoryPlot.setRangeGridlinesVisible(true);
categoryPlot.setRangeGridlineStroke(
new BasicStroke(
0.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 50, new float[] {1}, 0));
categoryPlot.setRangeGridlinePaint(ChartThemesConstants.GRAY_PAINT_217);
// JRBarPlot barPlot = (BarPlot)categoryPlot;
// categoryPlot.getDomainAxis().setTickLabelsVisible(
// categoryPlot.getShowTickLabels() == null ? true : barPlot.getShowTickLabels().
// true
// );
CategoryItemRenderer categoryRenderer = categoryPlot.getRenderer();
categoryRenderer.setBaseItemLabelsVisible(true);
BarRenderer barRenderer = (BarRenderer) categoryRenderer;
List seriesPaints =
(List) getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.SERIES_COLORS);
barRenderer.setSeriesPaint(0, (Paint) seriesPaints.get(3));
barRenderer.setSeriesPaint(1, (Paint) seriesPaints.get(0));
CategoryDataset categoryDataset = categoryPlot.getDataset();
if (categoryDataset != null) {
for (int i = 0; i < categoryDataset.getRowCount(); i++) {
barRenderer.setSeriesItemLabelFont(i, categoryPlot.getDomainAxis().getTickLabelFont());
barRenderer.setSeriesItemLabelsVisible(i, true);
// barRenderer.setSeriesPaint(i, GRADIENT_PAINTS[i]);
// CategoryMarker categoryMarker = new
// CategoryMarker(categoryDataset.getColumnKey(i),MARKER_COLOR, new BasicStroke(1f));
// categoryMarker.setAlpha(0.5f);
// categoryPlot.addDomainMarker(categoryMarker, Layer.BACKGROUND);
}
}
categoryPlot.setOutlinePaint(Color.DARK_GRAY);
categoryPlot.setOutlineStroke(new BasicStroke(1.5f));
categoryPlot.setOutlineVisible(true);
return jfreeChart;
}
/**
* Initialises the renderer and returns a state object that will be used for the remainder of the
* drawing process for a single chart. The state object allows for the fact that the renderer may
* be used simultaneously by multiple threads (each thread will work with a separate state
* object).
*
* <p>Stores a reference to the {@link PlotRenderingInfo} object (which might be <code>null</code>
* ), and then sets the useCategoriesPaint flag according to the special case conditions a) there
* is only one series and b) the categoriesPaint array is not null.
*
* @param g2 the graphics device.
* @param dataArea the data area.
* @param plot the plot.
* @param rendererIndex the renderer index.
* @param info an object for returning information about the structure of the plot (<code>null
* </code> permitted).
* @return The renderer state.
*/
public CategoryItemRendererState initialise(
Graphics2D g2,
Rectangle2D dataArea,
CategoryPlot plot,
int rendererIndex,
PlotRenderingInfo info) {
setPlot(plot);
CategoryDataset data = plot.getDataset(rendererIndex);
if (data != null) {
this.rowCount = data.getRowCount();
this.columnCount = data.getColumnCount();
} else {
this.rowCount = 0;
this.columnCount = 0;
}
return new CategoryItemRendererState(info);
}
/**
* 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;
}
/**
* Draws the category labels and returns the updated axis state.
*
* @param g2 the graphics device (<code>null</code> not permitted).
* @param plotArea the plot area (<code>null</code> not permitted).
* @param dataArea the area inside the axes (<code>null</code> not permitted).
* @param edge the axis location (<code>null</code> not permitted).
* @param state the axis state (<code>null</code> not permitted).
* @param plotState collects information about the plot (<code>null</code> permitted).
* @return The updated axis state (never <code>null</code>).
*/
protected AxisState drawSubCategoryLabels(
Graphics2D g2,
Rectangle2D plotArea,
Rectangle2D dataArea,
RectangleEdge edge,
AxisState state,
PlotRenderingInfo plotState) {
if (state == null) {
throw new IllegalArgumentException("Null 'state' argument.");
}
g2.setFont(this.subLabelFont);
g2.setPaint(this.subLabelPaint);
CategoryPlot plot = (CategoryPlot) getPlot();
CategoryDataset dataset = plot.getDataset();
int categoryCount = dataset.getColumnCount();
double maxdim = getMaxDim(g2, edge);
for (int categoryIndex = 0; categoryIndex < categoryCount; categoryIndex++) {
double x0 = 0.0;
double x1 = 0.0;
double y0 = 0.0;
double y1 = 0.0;
if (edge == RectangleEdge.TOP) {
x0 = getCategoryStart(categoryIndex, categoryCount, dataArea, edge);
x1 = getCategoryEnd(categoryIndex, categoryCount, dataArea, edge);
y1 = state.getCursor();
y0 = y1 - maxdim;
} else if (edge == RectangleEdge.BOTTOM) {
x0 = getCategoryStart(categoryIndex, categoryCount, dataArea, edge);
x1 = getCategoryEnd(categoryIndex, categoryCount, dataArea, edge);
y0 = state.getCursor();
y1 = y0 + maxdim;
} else if (edge == RectangleEdge.LEFT) {
y0 = getCategoryStart(categoryIndex, categoryCount, dataArea, edge);
y1 = getCategoryEnd(categoryIndex, categoryCount, dataArea, edge);
x1 = state.getCursor();
x0 = x1 - maxdim;
} else if (edge == RectangleEdge.RIGHT) {
y0 = getCategoryStart(categoryIndex, categoryCount, dataArea, edge);
y1 = getCategoryEnd(categoryIndex, categoryCount, dataArea, edge);
x0 = state.getCursor();
x1 = x0 + maxdim;
}
Rectangle2D area = new Rectangle2D.Double(x0, y0, (x1 - x0), (y1 - y0));
int subCategoryCount = this.subCategories.size();
float width = (float) ((x1 - x0) / subCategoryCount);
float height = (float) ((y1 - y0) / subCategoryCount);
float xx = 0.0f;
float yy = 0.0f;
for (int i = 0; i < subCategoryCount; i++) {
if (RectangleEdge.isTopOrBottom(edge)) {
xx = (float) (x0 + (i + 0.5) * width);
yy = (float) area.getCenterY();
} else {
xx = (float) area.getCenterX();
yy = (float) (y0 + (i + 0.5) * height);
}
String label = this.subCategories.get(i).toString();
TextUtilities.drawRotatedString(
label, g2, xx, yy, TextAnchor.CENTER, 0.0, TextAnchor.CENTER);
}
}
if (edge.equals(RectangleEdge.TOP)) {
double h = maxdim;
state.cursorUp(h);
} else if (edge.equals(RectangleEdge.BOTTOM)) {
double h = maxdim;
state.cursorDown(h);
} else if (edge == RectangleEdge.LEFT) {
double w = maxdim;
state.cursorLeft(w);
} else if (edge == RectangleEdge.RIGHT) {
double w = maxdim;
state.cursorRight(w);
}
return state;
}
/**
* Draws a marker for the domain axis.
*
* @param g2 the graphics device (not <code>null</code>).
* @param plot the plot (not <code>null</code>).
* @param axis the range axis (not <code>null</code>).
* @param marker the marker to be drawn (not <code>null</code>).
* @param dataArea the area inside the axes (not <code>null</code>).
*/
public void drawDomainMarker(
Graphics2D g2,
CategoryPlot plot,
CategoryAxis axis,
CategoryMarker marker,
Rectangle2D dataArea) {
Comparable category = marker.getKey();
CategoryDataset dataset = plot.getDataset(plot.getIndexOf(this));
int columnIndex = dataset.getColumnIndex(category);
if (columnIndex < 0) {
return;
}
PlotOrientation orientation = plot.getOrientation();
Rectangle2D bounds = null;
if (marker.getDrawAsLine()) {
double v =
axis.getCategoryMiddle(
columnIndex, dataset.getColumnCount(),
dataArea, plot.getDomainAxisEdge());
Line2D line = null;
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(dataArea.getMinX(), v, dataArea.getMaxX(), v);
} else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(v, dataArea.getMinY(), v, dataArea.getMaxY());
}
g2.setPaint(marker.getPaint());
g2.setStroke(marker.getStroke());
g2.draw(line);
bounds = line.getBounds2D();
} else {
double v0 =
axis.getCategoryStart(
columnIndex, dataset.getColumnCount(),
dataArea, plot.getDomainAxisEdge());
double v1 =
axis.getCategoryEnd(
columnIndex, dataset.getColumnCount(),
dataArea, plot.getDomainAxisEdge());
Rectangle2D area = null;
if (orientation == PlotOrientation.HORIZONTAL) {
area = new Rectangle2D.Double(dataArea.getMinX(), v0, dataArea.getWidth(), (v1 - v0));
} else if (orientation == PlotOrientation.VERTICAL) {
area = new Rectangle2D.Double(v0, dataArea.getMinY(), (v1 - v0), dataArea.getHeight());
}
g2.setPaint(marker.getPaint());
g2.fill(area);
bounds = area;
}
String label = marker.getLabel();
RectangleAnchor anchor = marker.getLabelAnchor();
if (label != null) {
Font labelFont = marker.getLabelFont();
g2.setFont(labelFont);
g2.setPaint(marker.getLabelPaint());
Point2D coordinates =
calculateDomainMarkerTextAnchorPoint(
g2,
orientation,
dataArea,
bounds,
marker.getLabelOffset(),
marker.getLabelOffsetType(),
anchor);
TextUtilities.drawAlignedString(
label,
g2,
(float) coordinates.getX(),
(float) coordinates.getY(),
marker.getLabelTextAnchor());
}
}