Examples of org.jfree.chart.plot.ValueMarker

org.jfree.chart.plot.ValueMarker
A marker that represents a single value. Markers can be added to plots to highlight specific values.

    /**
     * Some tests for the addDomainMarker() method(s).
     */
    public void testAddDomainMarker() {
        XYPlot plot = new XYPlot();
        Marker m = new ValueMarker(1.0);
        plot.addDomainMarker(m);
        List listeners = Arrays.asList(m.getListeners(
                MarkerChangeListener.class));
        assertTrue(listeners.contains(plot));
        plot.clearDomainMarkers();
        listeners = Arrays.asList(m.getListeners(MarkerChangeListener.class));
        assertFalse(listeners.contains(plot));
    }

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    /**
     * Some tests for the addRangeMarker() method(s).
     */
    public void testAddRangeMarker() {
        XYPlot plot = new XYPlot();
        Marker m = new ValueMarker(1.0);
        plot.addRangeMarker(m);
        List listeners = Arrays.asList(m.getListeners(
                MarkerChangeListener.class));
        assertTrue(listeners.contains(plot));
        plot.clearRangeMarkers();
        listeners = Arrays.asList(m.getListeners(MarkerChangeListener.class));
        assertFalse(listeners.contains(plot));
    }

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     * Check that removing a marker that isn't assigned to the plot returns
     * false.
     */
    public void testRemoveDomainMarker() {
        XYPlot plot = new XYPlot();
        assertFalse(plot.removeDomainMarker(new ValueMarker(0.5)));
    }

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     * Check that removing a marker that isn't assigned to the plot returns
     * false.
     */
    public void testRemoveRangeMarker() {
        XYPlot plot = new XYPlot();
        assertFalse(plot.removeRangeMarker(new ValueMarker(0.5)));
    }

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                                 ValueAxis domainAxis,
                                 Marker marker,
                                 Rectangle2D dataArea) {


        if (marker instanceof ValueMarker) {
            ValueMarker vm = (ValueMarker) marker;
            double value = vm.getValue();
            Range range = domainAxis.getRange();
            if (!range.contains(value)) {
                return;
            }

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                                ValueAxis rangeAxis,
                                Marker marker,
                                Rectangle2D dataArea) {


        if (marker instanceof ValueMarker) {
            ValueMarker vm = (ValueMarker) marker;
            double value = vm.getValue();
            Range range = rangeAxis.getRange();
            if (!range.contains(value)) {
                return;
            }

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                                 ValueAxis domainAxis,
                                 Marker marker,
                                 Rectangle2D dataArea) {


        if (marker instanceof ValueMarker) {
            ValueMarker vm = (ValueMarker) marker;
            double value = vm.getValue();
            Range range = domainAxis.getRange();
            if (!range.contains(value)) {
                return;
            }

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                                ValueAxis rangeAxis,
                                Marker marker,
                                Rectangle2D dataArea) {


        if (marker instanceof ValueMarker) {
            ValueMarker vm = (ValueMarker) marker;
            double value = vm.getValue();
            Range range = rangeAxis.getRange();
            if (!range.contains(value)) {
                return;
            }

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                                ValueAxis axis,
                                Marker marker,
                                Rectangle2D dataArea) {


        if (marker instanceof ValueMarker) {
            ValueMarker vm = (ValueMarker) marker;
            double value = vm.getValue();
            Range range = axis.getRange();


            if (!range.contains(value)) {
                return;
            }

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        assertFalse(plot1.equals(plot2));
        plot2.addDomainMarker(new CategoryMarker("C2"), Layer.BACKGROUND);
        assertTrue(plot1.equals(plot2));


        // range markers - no longer separate fields but test anyway...
        plot1.addRangeMarker(new ValueMarker(4.0), Layer.FOREGROUND);
        assertFalse(plot1.equals(plot2));
        plot2.addRangeMarker(new ValueMarker(4.0), Layer.FOREGROUND);
        assertTrue(plot1.equals(plot2));


        plot1.addRangeMarker(new ValueMarker(5.0), Layer.BACKGROUND);
        assertFalse(plot1.equals(plot2));
        plot2.addRangeMarker(new ValueMarker(5.0), Layer.BACKGROUND);
        assertTrue(plot1.equals(plot2));


        // foreground range markers...
        plot1.addRangeMarker(1, new ValueMarker(4.0), Layer.FOREGROUND);
        assertFalse(plot1.equals(plot2));
        plot2.addRangeMarker(1, new ValueMarker(4.0), Layer.FOREGROUND);
        assertTrue(plot1.equals(plot2));


        // background range markers...
        plot1.addRangeMarker(1, new ValueMarker(5.0), Layer.BACKGROUND);
        assertFalse(plot1.equals(plot2));
        plot2.addRangeMarker(1, new ValueMarker(5.0), Layer.BACKGROUND);
        assertTrue(plot1.equals(plot2));


        // annotations
        plot1.addAnnotation(new CategoryTextAnnotation("Text", "Category",
                43.0));

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