private void setDefaultChartOptions(String yTitle, String yOppositeTitle, String[] seriesName) {
setDefaultChartOptions(yTitle, seriesName, true);
chart
.getYAxis(1)
.setAxisTitle(
new AxisTitle() //
.setText(yOppositeTitle) //
.setAlign(AxisTitle.Align.MIDDLE)) //
.setOpposite(true) //
.setAllowDecimals(false) //
.setMin(0);
}
private void setDefaultChartOptions(
String yTitle, String[] seriesName, boolean hasOppositeTitle) {
chart
.setToolTip(new ToolTip().setEnabled(false)) //
.setLegend(new Legend().setEnabled(true)) //
.setCredits(
new Credits().setEnabled(false) //
);
chart
.getYAxis(0)
.setAxisTitle(new AxisTitle().setText(yTitle).setAlign(AxisTitle.Align.MIDDLE))
.setAllowDecimals(false);
chart
.getXAxis() //
.setType(Axis.Type.DATE_TIME) //
.setLabels(
new XAxisLabels() //
.setRotation(-45) //
.setAlign(Labels.Align.RIGHT)
.setFormatter(
new AxisLabelsFormatter() {
@Override
public String format(AxisLabelsData axisLabelsData) {
if (axisLabelsData.getValueAsDouble() < 0) {
return "";
}
return DateTimeFormat.getFormat("mm:ss")
.format(new Date(axisLabelsData.getValueAsLong()));
}
}) //
);
for (int i = 0; i < seriesName.length; i++) {
if (hasOppositeTitle) {
chart.addSeries(chart.createSeries().setName(seriesName[i]).setYAxis(i));
} else {
chart.addSeries(chart.createSeries().setName(seriesName[i]));
}
}
}
private Chart createChart(String title, String yaxisTitle) {
Chart chart =
new Chart()
.setType(Series.Type.BAR)
.setChartTitleText(title)
.setBarPlotOptions(
new BarPlotOptions()
.setAnimation(false)
.setDataLabels(new DataLabels().setEnabled(true)))
.setLegend(new Legend().setEnabled(false))
.setCredits(new Credits().setEnabled(false))
.setHeight(categories.size() * 30 + 100);
chart.getXAxis().setCategories(categories.toArray(new String[categories.size()]));
chart
.getYAxis()
.setAxisTitle(new AxisTitle().setText(yaxisTitle).setAlign(AxisTitle.Align.HIGH));
chart.setAnimation(false);
return chart;
}