Example #1
0
  protected void buildChart() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();

    chart =
        ChartFactory.createMultiplePieChart(
            "Untitled Chart", dataset, org.jfree.util.TableOrder.BY_COLUMN, false, true, false);
    chart.setAntiAlias(true);
    // chartPanel = new ScrollableChartPanel(chart, true);
    chartPanel = buildChartPanel(chart);
    // chartHolder.getViewport().setView(chartPanel);
    setChartPanel(chartPanel);

    JFreeChart baseChart = (JFreeChart) ((MultiplePiePlot) (chart.getPlot())).getPieChart();
    PiePlot base = (PiePlot) (baseChart.getPlot());
    base.setIgnoreZeroValues(true);
    base.setLabelOutlinePaint(java.awt.Color.WHITE);
    base.setLabelShadowPaint(java.awt.Color.WHITE);
    base.setMaximumLabelWidth(
        0.25); // allow bigger labels by a bit (this will make the chart smaller)
    base.setInteriorGap(0.000); // allow stretch to compensate for the bigger label width
    base.setLabelBackgroundPaint(java.awt.Color.WHITE);
    base.setOutlinePaint(null);
    base.setBackgroundPaint(null);
    base.setShadowPaint(null);
    base.setSimpleLabels(false); // I think they're false anyway

    // change the look of the series title to be smaller
    StandardChartTheme theme = new StandardChartTheme("Hi");
    TextTitle title = new TextTitle("Whatever", theme.getLargeFont());
    title.setPaint(theme.getAxisLabelPaint());
    title.setPosition(RectangleEdge.BOTTOM);
    baseChart.setTitle(title);

    // this must come last because the chart must exist for us to set its dataset
    setSeriesDataset(dataset);
  }
Example #2
0
  public static String getBarSeries(Map dataSource, String objectName, HttpSession session)
      throws Exception {
    DefaultKeyedValues barValues = new DefaultKeyedValues();
    DefaultKeyedValues seriesValues = new DefaultKeyedValues();
    Element chartObject =
        XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);

    Element barField = chartObject.getChild("BarFields").getChild("Field");
    Element seriesField = chartObject.getChild("SeriesFields").getChild("Field");

    for (int i = 0; i < dataSource.size(); i++) {
      Map rec = (Map) dataSource.get("ROW" + i);
      barValues.addValue(
          DataFilter.show(rec, chartObject.getChildText("ColumnLabel")),
          Double.parseDouble(rec.get(barField.getAttributeValue("name")).toString()));
      seriesValues.addValue(
          DataFilter.show(rec, chartObject.getChildText("ColumnLabel")),
          Double.parseDouble(rec.get(seriesField.getAttributeValue("name")).toString()));
    }

    CategoryDataset dataset =
        DatasetUtilities.createCategoryDataset(barField.getAttributeValue("label"), barValues);

    PlotOrientation plotOrientation =
        chartObject.getAttributeValue("plotOrientation").equalsIgnoreCase("VERTICAL")
            ? PlotOrientation.VERTICAL
            : PlotOrientation.HORIZONTAL;
    JFreeChart chart =
        ChartFactory.createBarChart3D(
            chartObject.getAttributeValue("title"),
            chartObject.getAttributeValue("categoryAxisLabel"),
            chartObject.getAttributeValue("valueAxisLabel"),
            dataset,
            plotOrientation,
            chartObject.getAttribute("showLegend").getBooleanValue(),
            chartObject.getAttribute("showToolTips").getBooleanValue(),
            chartObject.getAttribute("urls").getBooleanValue());

    CategoryPlot categoryplot = chart.getCategoryPlot();
    LineRenderer3D lineRenderer = new LineRenderer3D();
    CategoryDataset datasetSeries =
        DatasetUtilities.createCategoryDataset(
            seriesField.getAttributeValue("label"), seriesValues);

    categoryplot.setDataset(1, datasetSeries);
    categoryplot.setRangeAxis(1, new NumberAxis3D(seriesField.getAttributeValue("label")));
    categoryplot.setRenderer(1, lineRenderer);
    categoryplot.mapDatasetToRangeAxis(1, 1);

    BarRenderer3D barrenderer = (BarRenderer3D) categoryplot.getRenderer();
    barrenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
    barrenderer.setItemLabelsVisible(true);
    barrenderer.setPositiveItemLabelPosition(
        new ItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BASELINE_CENTER));

    //	        lineRenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
    //	        lineRenderer.setItemLabelsVisible(true);
    //	        lineRenderer.setPositiveItemLabelPosition(
    //	                new ItemLabelPosition(ItemLabelAnchor.OUTSIDE10, TextAnchor.CENTER));

    float alpha = 0.7F;
    if (chartObject.getAttribute("alpha") != null) {
      alpha = chartObject.getAttribute("alpha").getFloatValue();
    }
    categoryplot.setForegroundAlpha(alpha);

    int width, height;
    if (chartObject.getAttributeValue("width").equalsIgnoreCase("auto")) {
      width = (50 * dataSource.size()) + 100;
    } else {
      width = Integer.parseInt(chartObject.getAttributeValue("width"));
    }
    if (chartObject.getAttributeValue("height").equalsIgnoreCase("auto")) {
      height = (50 * dataSource.size()) + 100;
    } else {
      height = Integer.parseInt(chartObject.getAttributeValue("height"));
    }

    return ServletUtilities.saveChartAsPNG(chart, width, height, session);
  }
Example #3
0
  public static String getSimplePieChart(Map dataSource, String objectName, HttpSession session)
      throws Throwable {
    DefaultPieDataset dataset = new DefaultPieDataset();

    Element chartObject =
        XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);

    String title = chartObject.getAttributeValue("title");

    int width = Integer.parseInt(chartObject.getAttributeValue("width"));
    int height = Integer.parseInt(chartObject.getAttributeValue("height"));

    Element LabelKeys = chartObject.getChild("Labels");
    Element ValueKeys = chartObject.getChild("Values");

    String valueKey = ValueKeys.getText();
    String valueType = ValueKeys.getAttributeValue("type");
    List labelKeys = LabelKeys.getChildren("Label");
    String labelKey = LabelKeys.getText();

    if (valueType.equalsIgnoreCase("number")) {
      for (int i = 0; i < dataSource.size(); i++) {
        Map rec = (Map) dataSource.get("ROW" + i);
        Number value = (Number) rec.get(valueKey);
        String label;
        if (labelKeys.isEmpty()) {
          label = DataFilter.show(rec, labelKey);
        } else {
          label = ((Element) labelKeys.get(i)).getText();
        }
        dataset.setValue(label, value);
      }
    } else {
      for (int i = 0; i < dataSource.size(); i++) {
        Map rec = (Map) dataSource.get("ROW" + i);
        double value = (Double) rec.get(valueKey);
        String label;
        if (labelKeys.isEmpty()) {
          label = DataFilter.show(rec, labelKey);
        } else {
          label = ((Element) labelKeys.get(i)).getText();
        }
        dataset.setValue(label, value);
      }
    }

    JFreeChart chart =
        ChartFactory.createPieChart3D(
            title,
            dataset,
            chartObject.getAttribute("showLegend").getBooleanValue(),
            chartObject.getAttribute("showToolTips").getBooleanValue(),
            chartObject.getAttribute("urls").getBooleanValue());

    PiePlot3D pie3dplot = (PiePlot3D) chart.getPlot();

    float alpha = 0.7F;
    if (chartObject.getAttribute("alpha") != null) {
      alpha = chartObject.getAttribute("alpha").getFloatValue();
    }
    pie3dplot.setForegroundAlpha(alpha);

    return ServletUtilities.saveChartAsPNG(chart, width, height, null, session);
  }
Example #4
0
  public static String getSimpleBarChart(Map dataSource, String objectName, HttpSession session)
      throws Throwable {
    Element chartObject =
        XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);

    List invokeFields = chartObject.getChild("InvokeFields").getChildren("Field");
    double[][] data = new double[invokeFields.size()][dataSource.size()];
    String[] rowKeys = new String[invokeFields.size()];
    String[] columnKeys = new String[dataSource.size()];
    String columnLabel = chartObject.getChildText("ColumnLabel");

    for (int i = 0; i < dataSource.size(); i++) {
      Map rec = (Map) dataSource.get("ROW" + i);
      columnKeys[i] = DataFilter.show(rec, columnLabel);
      for (int j = 0; j < invokeFields.size(); j++) {
        data[j][i] =
            Double.parseDouble(
                rec.get(((Element) invokeFields.get(j)).getAttributeValue("name")).toString());
      }
    }
    for (int i = 0; i < invokeFields.size(); i++) {
      rowKeys[i] = ((Element) invokeFields.get(i)).getAttributeValue("label");
    }

    CategoryDataset dataset = DatasetUtilities.createCategoryDataset(rowKeys, columnKeys, data);

    PlotOrientation plotOrientation =
        chartObject.getAttributeValue("plotOrientation").equalsIgnoreCase("VERTICAL")
            ? PlotOrientation.VERTICAL
            : PlotOrientation.HORIZONTAL;
    JFreeChart chart =
        ChartFactory.createBarChart3D(
            chartObject.getAttributeValue("title"),
            chartObject.getAttributeValue("categoryAxisLabel"),
            chartObject.getAttributeValue("valueAxisLabel"),
            dataset,
            plotOrientation,
            chartObject.getAttribute("showLegend").getBooleanValue(),
            chartObject.getAttribute("showToolTips").getBooleanValue(),
            chartObject.getAttribute("urls").getBooleanValue());

    CategoryPlot C3dplot = (CategoryPlot) chart.getPlot();
    if (chartObject.getAttribute("alpha") != null) {
      C3dplot.setForegroundAlpha(chartObject.getAttribute("alpha").getFloatValue());
    }

    BarRenderer3D barrenderer = (BarRenderer3D) C3dplot.getRenderer();
    barrenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
    barrenderer.setItemLabelsVisible(true);
    barrenderer.setPositiveItemLabelPosition(
        new ItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BASELINE_CENTER));

    int width, height;
    if (chartObject.getAttributeValue("width").equalsIgnoreCase("auto")) {
      width = (50 * dataSource.size()) * invokeFields.size() + 100;
    } else {
      width = Integer.parseInt(chartObject.getAttributeValue("width"));
    }
    if (chartObject.getAttributeValue("height").equalsIgnoreCase("auto")) {
      height = (50 * dataSource.size()) * invokeFields.size() + 100;
    } else {
      height = Integer.parseInt(chartObject.getAttributeValue("height"));
    }

    return ServletUtilities.saveChartAsPNG(chart, width, height, session);
  }