/**
* Creates a sample chart.
*
* @param dataset a dataset.
* @return The chart.
*/
private static JFreeChart createChart(ValueDataset dataset) {
MeterPlot plot = new MeterPlot(dataset);
plot.addInterval(new MeterInterval("High", new Range(80.0, 100.0)));
plot.setDialOutlinePaint(Color.white);
JFreeChart chart = new JFreeChart("Meter Chart 2", JFreeChart.DEFAULT_TITLE_FONT, plot, false);
return chart;
}
private static JFreeChart createChart(ValueDataset paramValueDataset) {
MeterPlot localMeterPlot = new MeterPlot(paramValueDataset);
localMeterPlot.setRange(new Range(0.0D, 60.0D));
localMeterPlot.addInterval(
new MeterInterval(
"Normal",
new Range(0.0D, 35.0D),
Color.lightGray,
new BasicStroke(2.0F),
new Color(0, 255, 0, 64)));
localMeterPlot.addInterval(
new MeterInterval(
"Warning",
new Range(35.0D, 50.0D),
Color.lightGray,
new BasicStroke(2.0F),
new Color(255, 255, 0, 64)));
localMeterPlot.addInterval(
new MeterInterval(
"Critical",
new Range(50.0D, 60.0D),
Color.lightGray,
new BasicStroke(2.0F),
new Color(255, 0, 0, 128)));
localMeterPlot.setNeedlePaint(Color.darkGray);
localMeterPlot.setDialBackgroundPaint(Color.white);
localMeterPlot.setDialOutlinePaint(Color.gray);
localMeterPlot.setDialShape(DialShape.CHORD);
localMeterPlot.setMeterAngle(260);
localMeterPlot.setTickLabelsVisible(true);
localMeterPlot.setTickLabelFont(new Font("Dialog", 1, 10));
localMeterPlot.setTickLabelPaint(Color.darkGray);
localMeterPlot.setTickSize(5.0D);
localMeterPlot.setTickPaint(Color.lightGray);
localMeterPlot.setValuePaint(Color.black);
localMeterPlot.setValueFont(new Font("Dialog", 1, 14));
JFreeChart localJFreeChart =
new JFreeChart("Meter Chart 1", JFreeChart.DEFAULT_TITLE_FONT, localMeterPlot, true);
ChartUtilities.applyCurrentTheme(localJFreeChart);
return localJFreeChart;
}
protected JFreeChart createMeterChart() throws JRException {
// Start by creating the plot that will hold the meter
MeterPlot chartPlot = new MeterPlot((ValueDataset) getDataset());
JRMeterPlot jrPlot = (JRMeterPlot) getPlot();
// Set the shape
MeterShapeEnum shape =
jrPlot.getShapeValue() == null ? MeterShapeEnum.DIAL : jrPlot.getShapeValue();
switch (shape) {
case CHORD:
chartPlot.setDialShape(DialShape.CHORD);
break;
case PIE:
chartPlot.setDialShape(DialShape.PIE);
break;
case CIRCLE:
chartPlot.setDialShape(DialShape.CIRCLE);
break;
case DIAL:
default:
return createDialChart();
}
chartPlot.setDialOutlinePaint(Color.BLACK);
int meterAngle =
jrPlot.getMeterAngleInteger() == null ? 180 : jrPlot.getMeterAngleInteger().intValue();
// Set the size of the meter
chartPlot.setMeterAngle(meterAngle);
// Set the spacing between ticks. I hate the name "tickSize" since to me it
// implies I am changing the size of the tick, not the spacing between them.
double tickInterval =
jrPlot.getTickIntervalDouble() == null
? 10.0
: jrPlot.getTickIntervalDouble().doubleValue();
chartPlot.setTickSize(tickInterval);
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);
chartPlot.setTickLabelFont(themeTickLabelFont);
Color tickColor = jrPlot.getTickColor() == null ? Color.BLACK : jrPlot.getTickColor();
chartPlot.setTickPaint(tickColor);
int dialUnitScale = 1;
Range range = convertRange(jrPlot.getDataRange());
if (range != null) {
// Set the meter's range
chartPlot.setRange(range);
double bound = Math.max(Math.abs(range.getUpperBound()), Math.abs(range.getLowerBound()));
dialUnitScale = ChartThemesUtilities.getScale(bound);
if ((range.getLowerBound() == (int) range.getLowerBound()
&& range.getUpperBound() == (int) range.getUpperBound()
&& tickInterval == (int) tickInterval)
|| dialUnitScale > 1) {
chartPlot.setTickLabelFormat(new DecimalFormat("#,##0"));
} else if (dialUnitScale == 1) {
chartPlot.setTickLabelFormat(new DecimalFormat("#,##0.0"));
} else if (dialUnitScale <= 0) {
chartPlot.setTickLabelFormat(new DecimalFormat("#,##0.00"));
}
}
chartPlot.setTickLabelsVisible(true);
// Set all the colors we support
Paint backgroundPaint =
jrPlot.getOwnBackcolor() == null
? ChartThemesConstants.TRANSPARENT_PAINT
: jrPlot.getOwnBackcolor();
chartPlot.setBackgroundPaint(backgroundPaint);
GradientPaint gp =
new GradientPaint(new Point(), Color.LIGHT_GRAY, new Point(), Color.BLACK, false);
if (jrPlot.getMeterBackgroundColor() != null) {
chartPlot.setDialBackgroundPaint(jrPlot.getMeterBackgroundColor());
} else {
chartPlot.setDialBackgroundPaint(gp);
}
// chartPlot.setForegroundAlpha(1f);
Paint needlePaint =
jrPlot.getNeedleColor() == null ? new Color(191, 48, 0) : jrPlot.getNeedleColor();
chartPlot.setNeedlePaint(needlePaint);
JRValueDisplay display = jrPlot.getValueDisplay();
if (display != null) {
Color valueColor = display.getColor() == null ? Color.BLACK : display.getColor();
chartPlot.setValuePaint(valueColor);
String pattern = display.getMask() != null ? display.getMask() : "#,##0.####";
if (pattern != null) chartPlot.setTickLabelFormat(new DecimalFormat(pattern));
JRFont displayFont = display.getFont();
Font themeDisplayFont =
getFont(
(JRFont)
getDefaultValue(defaultPlotPropertiesMap, ChartThemesConstants.PLOT_DISPLAY_FONT),
displayFont,
defaultBaseFontSize);
if (themeDisplayFont != null) {
chartPlot.setValueFont(themeDisplayFont);
}
}
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))});
}
// Set the units - this is just a string that will be shown next to the
// value
String units = jrPlot.getUnits() == null ? label : jrPlot.getUnits();
if (units != null && units.length() > 0) chartPlot.setUnits(units);
chartPlot.setTickPaint(Color.BLACK);
// Now define all of the intervals, setting their range and color
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);
Color color =
i < 3
? (Color) ChartThemesConstants.AEGEAN_INTERVAL_COLORS.get(i)
: new Color(255 - colorStep * (i - 3), 0 + colorStep * (i - 3), 0);
interval.setBackgroundColor(color);
interval.setAlpha(new Double(1.0));
chartPlot.addInterval(convertInterval(interval));
}
}
// Actually create the chart around the plot
JFreeChart jfreeChart =
new JFreeChart(
(String) evaluateExpression(getChart().getTitleExpression()),
null,
chartPlot,
getChart().getShowLegend() == null ? false : getChart().getShowLegend().booleanValue());
// Set all the generic options
configureChart(jfreeChart, getPlot());
return jfreeChart;
}