private JFreeChart buildDifferenceChart(TimeSeriesCollection dataset, String title) {
// Creat the chart
JFreeChart chart =
ChartFactory.createTimeSeriesChart(
title,
"Date",
"Price",
dataset,
true, // legend
true, // tool tips
false // URLs
);
chart.setBackgroundPaint(Color.white);
XYPlot plot = chart.getXYPlot();
plot.setRenderer(
new XYDifferenceRenderer(new Color(112, 128, 222), new Color(112, 128, 222), false));
plot.setBackgroundPaint(Color.white);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
ValueAxis domainAxis = new DateAxis("Date");
domainAxis.setLowerMargin(0.0);
domainAxis.setUpperMargin(0.0);
plot.setDomainAxis(domainAxis);
plot.setForegroundAlpha(0.5f);
return chart;
}
/**
* Creates and returns a time series chart.
*
* <p>A time series chart is an XYPlot with a date axis (horizontal) and a number axis (vertical),
* and each data item is connected with a line.
*
* <p>Note that you can supply a TimeSeriesCollection to this method, as it implements the
* XYDataset interface.
*
* @param title the chart title.
* @param timeAxisLabel a label for the time axis.
* @param valueAxisLabel a label for the value axis.
* @param data the dataset for the chart.
* @param legend a flag specifying whether or not a legend is required.
* @param tooltips configure chart to generate tool tips?
* @param urls configure chart to generate URLs?
* @return a time series chart.
*/
public static JFreeChart createTimeSeriesChart(
String title,
java.awt.Font titleFont,
String timeAxisLabel,
String valueAxisLabel,
XYDataset data,
boolean legend,
boolean tooltips,
boolean urls) {
ValueAxis timeAxis = new DateAxis(timeAxisLabel);
timeAxis.setLowerMargin(0.02); // reduce the default margins on the time axis
timeAxis.setUpperMargin(0.02);
NumberAxis valueAxis = new NumberAxis(valueAxisLabel);
valueAxis.setAutoRangeIncludesZero(false); // override default
XYPlot plot = new XYPlot(data, timeAxis, valueAxis, null);
XYToolTipGenerator tooltipGenerator = null;
if (tooltips) {
tooltipGenerator = StandardXYToolTipGenerator.getTimeSeriesInstance();
// new StandardXYToolTipGenerator(DateFormat.getDateInstance());
}
XYURLGenerator urlGenerator = null;
if (urls) {
urlGenerator = new StandardXYURLGenerator();
}
plot.setRenderer(
new StandardXYItemRenderer(StandardXYItemRenderer.LINES, tooltipGenerator, urlGenerator));
JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
return chart;
}
/**
* @param name Chart name
* @param parent Skeleton parent
* @param axes Configuration of axes
* @param abcissaName Abcissa name
*/
public SwingChart(String name, final Skeleton parent, List<AxisChart> axes, String abcissaName) {
this.skeleton = parent;
this.axes = axes;
this.name = name;
this.abcissaFormat = NumberFormat.getInstance(Locale.getDefault());
this.ordinateFormat = NumberFormat.getInstance(Locale.getDefault());
plot = new XYPlot();
plot.setBackgroundPaint(scene2awtColor(javafx.scene.paint.Color.web(strChartBackgroundColor)));
plot.setDomainGridlinePaint(scene2awtColor(javafx.scene.paint.Color.web(strGridlineColor)));
plot.setRangeGridlinePaint(scene2awtColor(javafx.scene.paint.Color.web(strGridlineColor)));
plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
abcissaAxis = new NumberAxis(abcissaName);
((NumberAxis) abcissaAxis).setAutoRangeIncludesZero(false);
abcissaAxis.setTickLabelFont(new Font("SansSerif", Font.PLAIN, 12));
abcissaAxis.setLabelFont(new Font("SansSerif", Font.PLAIN, 12));
abcissaAxis.setLabelPaint(scene2awtColor(javafx.scene.paint.Color.web(strTickColor)));
abcissaAxis.setTickLabelPaint(scene2awtColor(javafx.scene.paint.Color.web(strTickColor)));
abcissaAxis.setAutoRange(true);
abcissaAxis.setLowerMargin(0.0);
abcissaAxis.setUpperMargin(0.0);
abcissaAxis.setTickLabelsVisible(true);
abcissaAxis.setLabelFont(abcissaAxis.getLabelFont().deriveFont(fontSize));
abcissaAxis.setTickLabelFont(abcissaAxis.getLabelFont().deriveFont(fontSize));
plot.setDomainAxis(abcissaAxis);
for (int i = 0; i < axes.size(); i++) {
AxisChart categoria = axes.get(i);
addAxis(categoria.getName());
for (int j = 0; j < categoria.configSerieList.size(); j++) {
SimpleSeriesConfiguration cs = categoria.configSerieList.get(j);
addSeries(categoria.getName(), cs);
}
}
chart = new JFreeChart("", new Font("SansSerif", Font.BOLD, 16), plot, false);
chart.setBackgroundPaint(scene2awtColor(javafx.scene.paint.Color.web(strBackgroundColor)));
chartPanel = new ChartPanel(chart);
chartPanel.setBorder(
BorderFactory.createCompoundBorder(
BorderFactory.createEmptyBorder(4, 4, 4, 4),
BorderFactory.createLineBorder(
scene2awtColor(javafx.scene.paint.Color.web(strBackgroundColor)))));
chartPanel.getInputMap().put(KeyStroke.getKeyStroke("ESCAPE"), "escape");
chartPanel
.getActionMap()
.put(
"escape",
new AbstractAction() {
@Override
public void actionPerformed(java.awt.event.ActionEvent e) {
for (int i = 0; i < plot.getDatasetCount(); i++) {
XYDataset test = plot.getDataset(i);
XYItemRenderer r = plot.getRenderer(i);
r.removeAnnotations();
}
}
});
chartPanel.addChartMouseListener(
cml =
new ChartMouseListener() {
@Override
public void chartMouseClicked(ChartMouseEvent event) {}
@Override
public void chartMouseMoved(ChartMouseEvent event) {
try {
XYItemEntity xyitem = (XYItemEntity) event.getEntity(); // get clicked entity
XYDataset dataset = (XYDataset) xyitem.getDataset(); // get data set
double x = dataset.getXValue(xyitem.getSeriesIndex(), xyitem.getItem());
double y = dataset.getYValue(xyitem.getSeriesIndex(), xyitem.getItem());
final XYPlot plot = chart.getXYPlot();
for (int i = 0; i < plot.getDatasetCount(); i++) {
XYDataset test = plot.getDataset(i);
XYItemRenderer r = plot.getRenderer(i);
r.removeAnnotations();
if (test == dataset) {
NumberAxis ejeOrdenada = AxesList.get(i);
double y_max = ejeOrdenada.getUpperBound();
double y_min = ejeOrdenada.getLowerBound();
double x_max = abcissaAxis.getUpperBound();
double x_min = abcissaAxis.getLowerBound();
double angulo;
if (y > (y_max + y_min) / 2 && x > (x_max + x_min) / 2) {
angulo = 3.0 * Math.PI / 4.0;
} else if (y > (y_max + y_min) / 2 && x < (x_max + x_min) / 2) {
angulo = 1.0 * Math.PI / 4.0;
} else if (y < (y_max + y_min) / 2 && x < (x_max + x_min) / 2) {
angulo = 7.0 * Math.PI / 4.0;
} else {
angulo = 5.0 * Math.PI / 4.0;
}
CircleDrawer cd =
new CircleDrawer(
(Color) r.getSeriesPaint(xyitem.getSeriesIndex()),
new BasicStroke(2.0f),
null);
// XYAnnotation bestBid = new
// XYDrawableAnnotation(dataset.getXValue(xyitem.getSeriesIndex(),
// xyitem.getItem()), dataset.getYValue(xyitem.getSeriesIndex(),
// xyitem.getItem()), 11, 11, cd);
String txt =
"X:" + abcissaFormat.format(x) + ", Y:" + ordinateFormat.format(y);
XYPointerAnnotation anotacion =
new XYPointerAnnotation(
txt,
dataset.getXValue(xyitem.getSeriesIndex(), xyitem.getItem()),
dataset.getYValue(xyitem.getSeriesIndex(), xyitem.getItem()),
angulo);
anotacion.setTipRadius(10.0);
anotacion.setBaseRadius(35.0);
anotacion.setFont(new Font("SansSerif", Font.PLAIN, 10));
if (Long.parseLong((strChartBackgroundColor.replace("#", "")), 16)
> 0xffffff / 2) {
anotacion.setPaint(Color.black);
anotacion.setArrowPaint(Color.black);
} else {
anotacion.setPaint(Color.white);
anotacion.setArrowPaint(Color.white);
}
// bestBid.setPaint((Color) r.getSeriesPaint(xyitem.getSeriesIndex()));
r.addAnnotation(anotacion);
}
}
// LabelValorVariable.setSize(LabelValorVariable.getPreferredSize());
} catch (NullPointerException | ClassCastException ex) {
}
}
});
chartPanel.setPopupMenu(null);
chartPanel.setBackground(scene2awtColor(javafx.scene.paint.Color.web(strBackgroundColor)));
SwingNode sn = new SwingNode();
sn.setContent(chartPanel);
chartFrame = new VBox();
chartFrame.getChildren().addAll(sn, legendFrame);
VBox.setVgrow(sn, Priority.ALWAYS);
VBox.setVgrow(legendFrame, Priority.NEVER);
chartFrame
.getStylesheets()
.addAll(SwingChart.class.getResource("overlay-chart.css").toExternalForm());
legendFrame.setStyle("marco: " + strBackgroundColor + ";-fx-background-color: marco;");
MenuItem mi;
mi = new MenuItem("Print");
mi.setOnAction(
(ActionEvent t) -> {
print(chartFrame);
});
contextMenuList.add(mi);
sn.setOnMouseClicked(
(MouseEvent t) -> {
if (menu != null) {
menu.hide();
}
if (t.getClickCount() == 2) {
backgroundEdition();
}
});
mi = new MenuItem("Copy to clipboard");
mi.setOnAction(
(ActionEvent t) -> {
copyClipboard(chartFrame);
});
contextMenuList.add(mi);
mi = new MenuItem("Export values");
mi.setOnAction(
(ActionEvent t) -> {
FileChooser fileChooser = new FileChooser();
fileChooser.setTitle("Export to file");
fileChooser
.getExtensionFilters()
.addAll(new FileChooser.ExtensionFilter("Comma Separated Values", "*.csv"));
Window w = null;
try {
w = parent.getScene().getWindow();
} catch (NullPointerException e) {
}
File file = fileChooser.showSaveDialog(w);
if (file != null) {
export(file);
}
});
contextMenuList.add(mi);
chartFrame.setOnContextMenuRequested(
(ContextMenuEvent t) -> {
if (menu != null) {
menu.hide();
}
menu = new ContextMenu();
menu.getItems().addAll(contextMenuList);
menu.show(chartFrame, t.getScreenX(), t.getScreenY());
});
}
public String generateXYChart(
String section, HttpSession session, PrintWriter pw, String courseId, int studentId) {
/*int groupId=0;
if (groupName.equals("All")){
groupId=0;
}else{
groupId = studStatisticBean.getGroupIdByName(groupName);
}*/
String filename = null;
try {
// Retrieve list of WebHits
StudentsConceptChartDataSet cDataSet =
new StudentsConceptChartDataSet(studStatisticBean, courseId, studentId);
ArrayList list = cDataSet.getDataByHitConcept(section);
// Throw a custom NoDataException if there is no data
if (list.size() == 0) {
System.out.println("No data has been found");
throw new NoDataException();
}
// Create and populate an XYSeries Collection
XYSeries dataSeries = new XYSeries("Students progress line");
Iterator iter = list.listIterator();
while (iter.hasNext()) {
StudentsConceptHit ch = (StudentsConceptHit) iter.next();
dataSeries.add(ch.getOrdNumb(), ch.getHitDegree());
}
XYSeriesCollection xyDataset = new XYSeriesCollection(dataSeries);
NumberFormat nf = NumberFormat.getIntegerInstance();
NumberFormat nf2 = NumberFormat.getInstance();
String cTitle = null;
// StandardXYToolTipGenerator ttg = new
// StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,nf,nf2);
CustomXYToolTipGenerator ttg = new CustomXYToolTipGenerator();
ttg.addToolTipSeries(cDataSet.getConceptNames());
StandardXYURLGenerator sxyUrlGen =
new StandardXYURLGenerator("#", xyDataset.getSeriesName(0), "PassedConceptOrdNum");
ValueAxis ordNumAxis = new NumberAxis("Concept ordinal number");
NumberAxis valueAxis = new NumberAxis("Current knowledge");
// valueAxis.setAutoRangeIncludesZero(true);
valueAxis.setRange(0.0, 6.0); // override default
ordNumAxis.setAutoRange(true);
ordNumAxis.setLowerMargin(0.0);
StandardXYItemRenderer renderer =
new StandardXYItemRenderer(
StandardXYItemRenderer.LINES + StandardXYItemRenderer.SHAPES, ttg, sxyUrlGen);
Marker marker = new ValueMarker(1.50); // /
Marker marker2 = new ValueMarker(2.50);
Marker marker3 = new ValueMarker(3.50);
Marker marker4 = new ValueMarker(4.50);
Marker marker5 = new ValueMarker(5.00);
renderer.setShapesFilled(true);
XYPlot plot = new XYPlot(xyDataset, ordNumAxis, valueAxis, renderer);
plot.addRangeMarker(marker);
plot.addRangeMarker(marker2);
plot.addRangeMarker(marker3);
plot.addRangeMarker(marker4);
plot.addRangeMarker(marker5);
XYTextAnnotation xyBad = new XYTextAnnotation("Bad", 1, 1);
xyBad.setX(0.2);
xyBad.setY(0.75);
XYTextAnnotation xyNotBad = new XYTextAnnotation("Not Bad", 1, 1);
xyNotBad.setX(0.2);
xyNotBad.setY(2);
XYTextAnnotation xyGood = new XYTextAnnotation("Good", 1, 1);
xyGood.setX(0.2);
xyGood.setY(3);
XYTextAnnotation xyVeryGood = new XYTextAnnotation("Very Good", 1, 1);
xyVeryGood.setX(0.2);
xyVeryGood.setY(4);
XYTextAnnotation xyExcellent = new XYTextAnnotation("Excellent", 1, 1);
xyExcellent.setX(0.2);
xyExcellent.setY(4.75);
XYTextAnnotation xyExpert = new XYTextAnnotation("Expert", 1, 1);
xyExpert.setX(0.2);
xyExpert.setY(5.25);
plot.addAnnotation(xyBad);
plot.addAnnotation(xyNotBad);
plot.addAnnotation(xyGood);
plot.addAnnotation(xyVeryGood);
plot.addAnnotation(xyExcellent);
plot.addAnnotation(xyExpert);
JFreeChart chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
chart.setBackgroundPaint(java.awt.Color.white);
// Write the chart image to the temporary directory
ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
filename = ServletUtilities.saveChartAsPNG(chart, 600, 400, info, session);
// Write the image map to the PrintWriter
ChartUtilities.writeImageMap(pw, filename, info);
pw.flush();
} catch (NoDataException e) {
System.out.println(e.toString());
filename = "public_nodata_500x300.png";
} catch (Exception e) {
System.out.println("Exception - " + e.toString());
e.printStackTrace(System.out);
filename = "public_error_500x300.png";
}
return filename;
}