protected JFreeChart createDialChart() throws JRException {
JRMeterPlot jrPlot = (JRMeterPlot) getPlot();
// get data for diagrams
DialPlot dialPlot = new DialPlot();
if (getDataset() != null) {
dialPlot.setDataset((ValueDataset) getDataset());
}
StandardDialFrame dialFrame = new StandardDialFrame();
dialFrame.setForegroundPaint(Color.BLACK);
dialFrame.setBackgroundPaint(Color.BLACK);
dialFrame.setStroke(new BasicStroke(1f));
dialPlot.setDialFrame(dialFrame);
DialBackground db = new DialBackground(ChartThemesConstants.TRANSPARENT_PAINT);
dialPlot.setBackground(db);
ScaledDialScale scale = null;
int dialUnitScale = 1;
Range range = convertRange(jrPlot.getDataRange());
if (range != null) {
double bound = Math.max(Math.abs(range.getUpperBound()), Math.abs(range.getLowerBound()));
dialUnitScale = ChartThemesUtilities.getScale(bound);
double lowerBound =
ChartThemesUtilities.getTruncatedValue(range.getLowerBound(), dialUnitScale);
double upperBound =
ChartThemesUtilities.getTruncatedValue(range.getUpperBound(), dialUnitScale);
scale =
new ScaledDialScale(lowerBound, upperBound, 210, -240, (upperBound - lowerBound) / 6, 1);
if ((lowerBound == (int) lowerBound
&& upperBound == (int) upperBound
&& scale.getMajorTickIncrement() == (int) scale.getMajorTickIncrement())
|| dialUnitScale > 1) {
scale.setTickLabelFormatter(new DecimalFormat("#,##0"));
} else if (dialUnitScale == 1) {
scale.setTickLabelFormatter(new DecimalFormat("#,##0.0"));
} else if (dialUnitScale <= 0) {
scale.setTickLabelFormatter(new DecimalFormat("#,##0.00"));
}
} else {
scale = new ScaledDialScale();
}
scale.setTickRadius(0.9);
scale.setTickLabelOffset(0.16);
JRFont tickLabelFont = jrPlot.getTickLabelFont();
Integer defaultBaseFontSize =
(Integer) getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.BASEFONT_SIZE);
Font themeTickLabelFont =
getFont(
(JRFont)
getDefaultValue(
defaultPlotPropertiesMap, ChartThemesConstants.PLOT_TICK_LABEL_FONT),
tickLabelFont,
defaultBaseFontSize);
scale.setTickLabelFont(themeTickLabelFont);
scale.setMajorTickStroke(new BasicStroke(1f));
scale.setMinorTickStroke(new BasicStroke(0.7f));
scale.setMajorTickPaint(Color.BLACK);
scale.setMinorTickPaint(Color.BLACK);
scale.setTickLabelsVisible(true);
scale.setFirstTickLabelVisible(true);
dialPlot.addScale(0, scale);
List intervals = jrPlot.getIntervals();
if (intervals != null && intervals.size() > 0) {
int size = Math.min(3, intervals.size());
int colorStep = 0;
if (size > 3) colorStep = 255 / (size - 3);
for (int i = 0; i < size; i++) {
JRMeterInterval interval = (JRMeterInterval) intervals.get(i);
Range intervalRange = convertRange(interval.getDataRange());
double intervalLowerBound =
ChartThemesUtilities.getTruncatedValue(intervalRange.getLowerBound(), dialUnitScale);
double intervalUpperBound =
ChartThemesUtilities.getTruncatedValue(intervalRange.getUpperBound(), dialUnitScale);
Color color =
i < 3
? (Color) ChartThemesConstants.AEGEAN_INTERVAL_COLORS.get(i)
: new Color(255 - colorStep * (i - 3), 0 + colorStep * (i - 3), 0);
ScaledDialRange dialRange =
new ScaledDialRange(
intervalLowerBound,
intervalUpperBound,
interval.getBackgroundColor() == null ? color : interval.getBackgroundColor(),
15f);
dialRange.setInnerRadius(0.5);
dialRange.setOuterRadius(0.5);
dialPlot.addLayer(dialRange);
}
}
JRValueDisplay display = jrPlot.getValueDisplay();
String displayVisibility =
display != null && getChart().hasProperties()
? getChart()
.getPropertiesMap()
.getProperty(DefaultChartTheme.PROPERTY_DIAL_VALUE_DISPLAY_VISIBLE)
: "false";
if (Boolean.valueOf(displayVisibility).booleanValue()) {
ScaledDialValueIndicator dvi = new ScaledDialValueIndicator(0, dialUnitScale);
dvi.setBackgroundPaint(ChartThemesConstants.TRANSPARENT_PAINT);
// dvi.setFont(JRFontUtil.getAwtFont(jrFont).deriveFont(10f).deriveFont(Font.BOLD));
dvi.setOutlinePaint(ChartThemesConstants.TRANSPARENT_PAINT);
dvi.setPaint(Color.WHITE);
String pattern = display.getMask() != null ? display.getMask() : "#,##0.####";
if (pattern != null) dvi.setNumberFormat(new DecimalFormat(pattern));
dvi.setRadius(0.15);
dvi.setValueAnchor(RectangleAnchor.CENTER);
dvi.setTextAnchor(TextAnchor.CENTER);
// dvi.setTemplateValue(Double.valueOf(getDialTickValue(dialPlot.getValue(0),dialUnitScale)));
dialPlot.addLayer(dvi);
}
String label =
getChart().hasProperties()
? getChart().getPropertiesMap().getProperty(DefaultChartTheme.PROPERTY_DIAL_LABEL)
: null;
if (label != null) {
if (dialUnitScale < 0)
label =
new MessageFormat(label)
.format(new Object[] {String.valueOf(Math.pow(10, dialUnitScale))});
else if (dialUnitScale < 3) label = new MessageFormat(label).format(new Object[] {"1"});
else
label =
new MessageFormat(label)
.format(new Object[] {String.valueOf((int) Math.pow(10, dialUnitScale - 2))});
JRFont displayFont = jrPlot.getValueDisplay().getFont();
Font themeDisplayFont =
getFont(
(JRFont)
getDefaultValue(defaultPlotPropertiesMap, ChartThemesConstants.PLOT_DISPLAY_FONT),
displayFont,
defaultBaseFontSize);
String[] textLines = label.split("\\n");
for (int i = 0; i < textLines.length; i++) {
DialTextAnnotation dialAnnotation = new DialTextAnnotation(textLines[i]);
dialAnnotation.setFont(themeDisplayFont);
dialAnnotation.setPaint(Color.BLACK);
dialAnnotation.setRadius(Math.sin(Math.PI / 6.0) + i / 10.0);
dialAnnotation.setAnchor(TextAnchor.CENTER);
dialPlot.addLayer(dialAnnotation);
}
}
DialPointer needle = new ScaledDialPointer(dialUnitScale, 0.047);
needle.setVisible(true);
needle.setRadius(0.7);
dialPlot.addLayer(needle);
DialCap cap = new DialCap();
cap.setRadius(0.05);
cap.setFillPaint(Color.BLACK);
cap.setOutlinePaint(ChartThemesConstants.TRANSPARENT_PAINT);
dialPlot.setCap(cap);
JFreeChart jfreeChart =
new JFreeChart(
(String) evaluateExpression(getChart().getTitleExpression()),
null,
dialPlot,
getChart().getShowLegend() == null ? false : getChart().getShowLegend().booleanValue());
// Set all the generic options
configureChart(jfreeChart, getPlot());
jfreeChart.setBackgroundPaint(ChartThemesConstants.TRANSPARENT_PAINT);
jfreeChart.setBorderVisible(false);
return jfreeChart;
}