Example usage for org.jfree.chart.renderer CategoryItemRenderer setPositiveItemLabelPosition

Introduction

In this page you can find the example usage for org.jfree.chart.renderer CategoryItemRenderer setPositiveItemLabelPosition.

Prototype

public void setPositiveItemLabelPosition(ItemLabelPosition position);

Source Link

Document

Sets the item label position for positive values in ALL series, and sends a RendererChangeEvent to all registered listeners.

Usage

From source file:gui.BarChart.java

/**
 * Zusammenbauen des Diagrammes./*www.j  a v  a 2 s.  co m*/
 * 
 * @return diagramm
 */
private JFreeChart createChart() {

    // create the chart...
    final JFreeChart chart = ChartFactory.createBarChart("", // berschrift
            label_x_axis, // x label
            label_y_axis, // y label
            dataset, // datenstze
            PlotOrientation.VERTICAL, // vertikale balken
            true, // mit legende
            true, // mit tooltips
            false // URLs???
    );

    // Layoutanpassungen im Folgende:

    // allg. Hintergrundfarbe
    chart.setBackgroundPaint(Color.white);

    // Referenz auf Zeichnung:
    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setNoDataMessage("NO DATA!");

    // aussehen des eigentlichen diagrammes:
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinePaint(Color.white);
    plot.setDomainGridlinesVisible(true);

    // skaleneinteilung:
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    rangeAxis.setUpperMargin(0.1);

    // kategorien renderer einstellungen verndern:                
    final CategoryItemRenderer categories = plot.getRenderer();
    // casten in bar renderer:
    final BarRenderer bars = (BarRenderer) categories;

    // werte im diagramm anzeigen:
    categories.setLabelGenerator(new StandardCategoryLabelGenerator());
    categories.setItemLabelsVisible(true);
    final ItemLabelPosition p = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.CENTER,
            TextAnchor.CENTER, -Math.PI / 6);

    categories.setPositiveItemLabelPosition(p);
    categories.setNegativeItemLabelPosition(p);

    plot.setRenderer(categories);

    // farbverlauf der serien 1 und 2
    final GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, new Color(127, 127, 255), 0.0f, 0.0f,
            new Color(127, 127, 127));
    final GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, new Color(255, 127, 127), 0.0f, 0.0f,
            new Color(127, 127, 127));
    bars.setSeriesPaint(0, gp0);
    bars.setSeriesPaint(1, gp1);
    // keine umrandung der balken
    bars.setDrawBarOutline(false);

    // abstand der zahlen vom balken
    bars.setItemLabelAnchorOffset(13);

    // x achsenbeschriftung
    final CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));

    return chart;

}

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From source file:hr.restart.util.chart.ChartXY.java

/**
 * Creates a BAR CHART//from  ww w . j  a v a2s .  c  o  m
 * @param dataset The org.jfree.data.CategoryDataset
 * @param title The title
 * @return org.jfree.chart.JFreeChart
 */
private JFreeChart createBarChart(final CategoryDataset dataset, String title, PlotOrientation orientation) {

    final JFreeChart chart = ChartFactory.createBarChart(title, // chart title
            "", // domain axis label
            "", // range axis label
            dataset, // data
            orientation, // the plot orientation
            false, // include legend
            true, false);

    chart.setBackgroundPaint(Color.white);

    // the subtitle from the combobox        
    if (jcb != null)
        chart.addSubtitle(new TextTitle(jcb.getSelectedItem().toString()));

    //subtitles setted by the user.
    if (getSubtitles() != null)
        for (int i = 0; i < getSubtitles().size(); i++) {
            chart.addSubtitle(new TextTitle(getSubtitles().get(i).toString()));
        }

    final Plot plot = chart.getPlot();

    // get a reference to the plot for further customisation...
    final CategoryPlot categoryPlot = (CategoryPlot) plot;

    categoryPlot.setNoDataMessage("NO DATA!");

    categoryPlot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);

    final CategoryItemRenderer renderer = new CustomRenderer(new Paint[] { Color.red, Color.blue, Color.green,
            Color.yellow, Color.orange, Color.cyan, Color.magenta, Color.blue });
    categoryPlot.setRenderer(renderer);

    renderer.setLabelGenerator(new StandardCategoryLabelGenerator());
    renderer.setItemLabelsVisible(true);

    // inside
    //renderer.setBaseItemLabelPaint(Color.white);
    Font font = new Font("SansSerif", Font.PLAIN, 7);
    Font derive = font.deriveFont(Font.BOLD);
    renderer.setBaseItemLabelFont(derive);

    // margin
    final CategoryAxis domainAxis = categoryPlot.getDomainAxis();
    domainAxis.setLowerMargin(0.0);
    domainAxis.setUpperMargin(0.0);
    //domainAxis.setBottomCategoryLabelPosition(new CategoryLabelPosition(RectangleAnchor.BOTTOM, TextBlockAnchor.BOTTOM_CENTER));
    domainAxis.setCategoryLabelPositions(new CategoryLabelPositions(
            new CategoryLabelPosition(RectangleAnchor.TOP, TextBlockAnchor.TOP_CENTER), // TOP
            new CategoryLabelPosition(RectangleAnchor.BOTTOM, TextBlockAnchor.BOTTOM_CENTER), // BOTTOM
            new CategoryLabelPosition(RectangleAnchor.LEFT, TextBlockAnchor.CENTER_LEFT,
                    CategoryLabelWidthType.RANGE, 0.30f), // LEFT
            new CategoryLabelPosition(RectangleAnchor.RIGHT, TextBlockAnchor.CENTER_RIGHT,
                    CategoryLabelWidthType.RANGE, 0.30f) // RIGHT) 
    ));

    final ItemLabelPosition p = new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER,
            TextAnchor.CENTER, 0.0);
    renderer.setPositiveItemLabelPosition(p);

    if (comboBoxOrientation != null) {
        if (comboBoxOrientation.getSelectedItem() == "Vertikalni") {

            domainAxis.setCategoryLabelPositions(
                    CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 4.0));
        }
    }

    return chart;

}

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