Ejemplo n.º 1
1
  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;
  }
Ejemplo n.º 2
0
  /**
   * 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;
  }