Example usage for org.jfree.chart.plot ValueMarker getLabel

Introduction

In this page you can find the example usage for org.jfree.chart.plot ValueMarker getLabel.

Prototype

public String getLabel() 

Source Link

Document

Returns the label (if null no label is displayed).

Usage

From source file:biz.ixnay.pivot.charts.skin.jfree.HistogramViewSkin.java

private void createMarkers(JFreeChart chart, ChartView chartView) {
    for (org.apache.pivot.charts.content.ValueMarker valueMarker : chartView.getValueMarkers()) {
        final Marker target = new ValueMarker(valueMarker.getValue());
        target.setPaint(valueMarker.getColor());
        target.setLabel(valueMarker.getLabel());
        target.setLabelAnchor(RectangleAnchor.TOP);
        target.setLabelTextAnchor(TextAnchor.TOP_LEFT);
        ((XYPlot) chart.getPlot()).addDomainMarker(target);
    }/*from   w  w w  .  j ava  2s.c om*/
}

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From source file:net.praqma.jenkins.memorymap.MemoryMapBuildAction.java

public void doDrawMemoryMapUsageGraph(StaplerRequest req, StaplerResponse rsp) throws IOException {
    DataSetBuilder<String, ChartUtil.NumberOnlyBuildLabel> dataset = new DataSetBuilder<String, ChartUtil.NumberOnlyBuildLabel>();

    String members = req.getParameter("categories");
    String graphTitle = req.getParameter("title");

    int w = Integer.parseInt(req.getParameter("width"));
    int h = Integer.parseInt(req.getParameter("height"));

    List<String> memberList = Arrays.asList(members.split(","));
    List<List<String>> memberLists = new ArrayList<List<String>>();

    for (String s : memberList) {
        memberLists.add(Arrays.asList(s.split(" ")));
    }//from w  ww .  j  a v a 2  s .  c  om

    List<ValueMarker> markers = new ArrayList<ValueMarker>();

    double max = Double.MIN_VALUE;
    Set<String> drawnMarker = new HashSet<String>();

    String scale = getRecorder().scale;

    for (MemoryMapBuildAction membuild = this; membuild != null; membuild = membuild.getPreviousAction()) {
        ChartUtil.NumberOnlyBuildLabel label = new ChartUtil.NumberOnlyBuildLabel(membuild.build);
        MemoryMapConfigMemory result = membuild.getMemoryMapConfig();
        MemoryMapConfigMemory resultBlacklist = new MemoryMapConfigMemory();
        for (List<String> list : memberLists) {
            double value = 0.0d;
            double maxx = 0.0d;
            String labelName = "";
            for (MemoryMapConfigMemoryItem res : result) {
                if (list.contains(res.getName()) && !resultBlacklist.contains(res)) {
                    resultBlacklist.add(res);
                    if (labelName.equals("")) {
                        labelName = res.getName();
                    } else {
                        labelName = String.format("%s+%s", labelName, res.getName());
                    }

                    if (getRecorder().getShowBytesOnGraph()) {
                        maxx = maxx + HexUtils.byteCount(res.getLength(), getRecorder().getWordSize(), scale);
                        value = value + HexUtils.byteCount(res.getUsed(), getRecorder().getWordSize(), scale);
                    } else {
                        maxx = maxx + HexUtils.wordCount(res.getLength(), getRecorder().getWordSize(), scale);
                        value = value + HexUtils.wordCount(res.getUsed(), getRecorder().getWordSize(), scale);
                    }
                } else {
                }

                if (maxx > max) {
                    max = maxx;
                }
                if (value > max) {
                    max = value;
                }
            }
            if (!labelName.equals("")) {
                dataset.add(value, labelName, label);
            }

            boolean makeMarker = true;
            for (ValueMarker vm : markers) {
                if (maxx == vm.getValue() && !vm.getLabel().contains(labelName) && !labelName.equals("")) {
                    drawnMarker.add(vm.getLabel().replace("(MAX) - ", "") + " - " + labelName);
                    String s = vm.getLabel().replace("(MAX) - ", "");

                    vm.setLabel(String.format("%s - %s", vm.getLabel(), labelName));
                    //this is the size of chars used for setting the offset right
                    double i = vm.getLabel().length() * labelOffset + 40;
                    vm.setLabelOffset(new RectangleInsets(5, i, -20, 5));

                    makeMarker = false;
                }
            }

            if ((!labelName.equals("")) && (drawnMarker.add(labelName))) {
                if (makeMarker) {
                    ValueMarker vm = new ValueMarker((double) maxx, Color.BLACK,
                            new BasicStroke(1.2f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_MITER, 1.0f,
                                    new float[] { 6.0f, 6.0f }, 0.0f));

                    vm.setLabel(String.format("(MAX) - %s", labelName));

                    double i = vm.getLabel().length() * labelOffset + 40;
                    vm.setLabelOffset(new RectangleInsets(5, i, -20, 5));
                    vm.setLabelAnchor(RectangleAnchor.TOP_LEFT);
                    vm.setPaint(Color.BLACK);
                    vm.setOutlinePaint(Color.BLACK);
                    vm.setAlpha(1.0f);
                    markers.add(vm);
                }
            }
        }
    }

    String s = "";
    if (scale.equalsIgnoreCase("kilo")) {
        s = "k";
    } else if (scale.equalsIgnoreCase("mega")) {
        s = "M";
    } else if (scale.equalsIgnoreCase("giga")) {
        s = "G";
    }

    String byteLegend = s + "Bytes";
    String wordLegend = s + "Words";

    String legend = getRecorder().getShowBytesOnGraph() ? byteLegend : wordLegend;

    JFreeChart chart = createPairedBarCharts(graphTitle, legend, max * 1.1d, 0d, dataset.build(), markers);

    chart.setBackgroundPaint(Color.WHITE);
    chart.getLegend().setPosition(RectangleEdge.BOTTOM);
    ChartUtil.generateGraph(req, rsp, chart, w, h);
}

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