Example usage for org.jfree.chart.plot XYPlot setWeight

Introduction

In this page you can find the example usage for org.jfree.chart.plot XYPlot setWeight.

Prototype

public void setWeight(int weight) 

Source Link

Document

Sets the weight for the plot and sends a PlotChangeEvent to all registered listeners.

Usage

From source file:org.gbif.portal.web.controller.dataset.IndexingHistoryController.java

/**
 * Create a time series graphic to display indexing processes.
 * //from  ww  w .  j a v  a 2  s.  c  om
 * @param dataProvider
 * @param dataResource
 * @param activities
 * @param fileNamePrefix
 * @return
 */
public String timeSeriesTest(DataProviderDTO dataProvider, DataResourceDTO dataResource,
        List<LoggedActivityDTO> loggedActivities, String fileNamePrefix, int minProcessingTimeToRender) {

    List<LoggedActivityDTO> activities = new ArrayList<LoggedActivityDTO>();
    for (LoggedActivityDTO la : loggedActivities) {
        if (la.getDataResourceKey() != null && la.getDataResourceName() != null && la.getEventName() != null)
            activities.add(la);
    }

    //if no activities to render, return
    if (activities.isEmpty())
        return null;

    Map<String, Integer> drActualCount = new HashMap<String, Integer>();
    Map<String, Integer> drCount = new HashMap<String, Integer>();

    //record the actual counts
    for (LoggedActivityDTO laDTO : activities) {
        if (laDTO.getStartDate() != null && laDTO.getEndDate() != null
                && laDTO.getDurationInMillisecs() > minProcessingTimeToRender) {
            if (drActualCount.get(laDTO.getDataResourceName()) == null) {
                drActualCount.put(laDTO.getDataResourceName(), new Integer(4));
                drCount.put(laDTO.getDataResourceName(), new Integer(0));
            } else {
                Integer theCount = drActualCount.get(laDTO.getDataResourceName());
                theCount = new Integer(theCount.intValue() + 4);
                drActualCount.remove(laDTO.getDataResourceName());
                drActualCount.put(laDTO.getDataResourceName(), theCount);
            }
        }
    }

    StringBuffer fileNameBuffer = new StringBuffer(fileNamePrefix);
    if (dataResource != null) {
        fileNameBuffer.append("-resource-");
        fileNameBuffer.append(dataResource.getKey());
    } else if (dataProvider != null) {
        fileNameBuffer.append("-provider-");
        fileNameBuffer.append(dataProvider.getKey());
    }
    fileNameBuffer.append(".png");

    String fileName = fileNameBuffer.toString();
    String filePath = System.getProperty("java.io.tmpdir") + File.separator + fileName;

    File fileToCheck = new File(filePath);
    if (fileToCheck.exists()) {
        return fileName;
    }

    TimeSeriesCollection dataset = new TimeSeriesCollection();
    boolean generateChart = false;

    int count = 1;
    int dataResourceCount = 1;

    Collections.sort(activities, new Comparator<LoggedActivityDTO>() {
        public int compare(LoggedActivityDTO o1, LoggedActivityDTO o2) {
            if (o1 == null || o2 == null || o1.getDataResourceKey() != null || o2.getDataResourceKey() != null)
                return -1;
            return o1.getDataResourceKey().compareTo(o2.getDataResourceKey());
        }
    });

    String currentDataResourceKey = activities.get(0).getDataResourceKey();

    for (LoggedActivityDTO laDTO : activities) {
        if (laDTO.getStartDate() != null && laDTO.getEndDate() != null
                && laDTO.getDurationInMillisecs() > minProcessingTimeToRender) {

            if (currentDataResourceKey != null && !currentDataResourceKey.equals(laDTO.getDataResourceKey())) {
                dataResourceCount++;
                count = count + 1;
                currentDataResourceKey = laDTO.getDataResourceKey();
            }
            TimeSeries s1 = new TimeSeries(laDTO.getDataResourceName(), "Process time period",
                    laDTO.getEventName(), Hour.class);
            s1.add(new Hour(laDTO.getStartDate()), count);
            s1.add(new Hour(laDTO.getEndDate()), count);
            dataset.addSeries(s1);
            generateChart = true;
        }
    }

    if (!generateChart)
        return null;

    // create a pie chart...
    final JFreeChart chart = ChartFactory.createTimeSeriesChart(null, null, null, dataset, false, false, false);

    XYPlot plot = chart.getXYPlot();
    plot.setWeight(10);
    plot.getRangeAxis().setAutoRange(false);
    plot.getRangeAxis().setRange(0, drCount.size() + 1);
    plot.getRangeAxis().setAxisLineVisible(false);
    plot.getRangeAxis().setAxisLinePaint(Color.WHITE);
    plot.setDomainCrosshairValue(1);
    plot.setRangeGridlinesVisible(false);
    plot.getRangeAxis().setVisible(false);
    plot.getRangeAxis().setLabel("datasets");

    XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer();
    renderer.setItemLabelsVisible(true);
    MyXYItemLabelGenerator labelGenerator = new MyXYItemLabelGenerator();
    labelGenerator.setDataResourceActualCount(drActualCount);
    labelGenerator.setDataResourceCount(drCount);
    renderer.setItemLabelGenerator(labelGenerator);

    List<TimeSeries> seriesList = dataset.getSeries();
    for (TimeSeries series : seriesList) {
        if (((String) series.getRangeDescription()).startsWith("extraction")) {
            renderer.setSeriesPaint(seriesList.indexOf(series), Color.RED);
        } else {
            renderer.setSeriesPaint(seriesList.indexOf(series), Color.BLUE);
        }
        renderer.setSeriesStroke(seriesList.indexOf(series), new BasicStroke(7f));
    }

    int imageHeight = 30 * dataResourceCount;
    if (imageHeight < 100) {
        imageHeight = 100;
    } else {
        imageHeight = imageHeight + 100;
    }

    final BufferedImage image = new BufferedImage(900, imageHeight, BufferedImage.TYPE_INT_RGB);
    KeypointPNGEncoderAdapter adapter = new KeypointPNGEncoderAdapter();
    adapter.setQuality(1);
    try {
        adapter.encode(image);
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
    }
    final Graphics2D g2 = image.createGraphics();
    g2.setFont(new Font("Arial", Font.PLAIN, 11));
    final Rectangle2D chartArea = new Rectangle2D.Double(0, 0, 900, imageHeight);

    // draw
    chart.draw(g2, chartArea, null, null);

    //styling
    chart.setPadding(new RectangleInsets(0, 0, 0, 0));
    chart.setBorderVisible(false);
    chart.setBackgroundImageAlpha(0);
    chart.setBackgroundPaint(Color.WHITE);
    chart.setBorderPaint(Color.LIGHT_GRAY);

    try {
        FileOutputStream fOut = new FileOutputStream(filePath);
        ChartUtilities.writeChartAsPNG(fOut, chart, 900, imageHeight);
        return fileName;
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
    }
    return null;
}

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From source file:org.jfree.chart.plot.StackedXYPlot.java

/**
 * Adds a subplot with the specified weight 
 * @param subplot  the subplot (<code>null</code> not permitted).
 * @param weight  the weight (must be >= 1).
 *///from   w w  w . j ava2 s.  c o  m
@Override
public void add(XYPlot subplot, int weight) {

    Objects.requireNonNull(subplot, "subplot must not be null");
    if (weight <= 0) {
        throw new IllegalArgumentException("weight must be >= 1.");
    }
    subplot.setParent(this);
    subplot.setWeight(weight);
    subplot.addChangeListener(this);
    subplot.setRangeZeroBaselineVisible(false);
    subplot.setInsets(new RectangleInsets(0.0, 0.0, 0.0, 0.0), false);

    List subplots = Collections.EMPTY_LIST;
    try {
        subplots = (List) FieldUtils.readField(this, "subplots", true);
    } catch (IllegalAccessException ex) {
        Logger.getLogger(StackedXYPlot.class.getName()).log(Level.SEVERE, ex.getMessage(), ex);
    }
    subplots.add(subplot);

    ValueAxis axis = getDomainAxis();
    if (axis != null) {
        axis.configure();
    }
    fireChangeEvent();
}

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