Examples of org.jfree.chart.title.TextTitle

org.jfree.chart.title.TextTitle
A chart title that displays a text string with automatic wrapping as required.

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {


        TextTitle t1 = new TextTitle("Test");
        TextTitle t2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(t1);

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        assertFalse(chart1.equals(chart2));
        chart2.setTitle("XYZ");
        assertTrue(chart1.equals(chart2));


        // subtitles
        chart1.addSubtitle(new TextTitle("Subtitle"));
        assertFalse(chart1.equals(chart2));
        chart2.addSubtitle(new TextTitle("Subtitle"));
        assertTrue(chart1.equals(chart2));


        // plot
        chart1 = new JFreeChart("Title",
                new Font("SansSerif", Font.PLAIN, 12), new RingPlot(), false);

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    public void testAddSubtitle() {
        DefaultPieDataset dataset = new DefaultPieDataset();
        JFreeChart chart = ChartFactory.createPieChart("title", dataset, true,
                false, false);


        TextTitle t0 = new TextTitle("T0");
        chart.addSubtitle(0, t0);
        assertEquals(t0, chart.getSubtitle(0));


        TextTitle t1 = new TextTitle("T1");
        chart.addSubtitle(t1);
        assertEquals(t1, chart.getSubtitle(2));  // subtitle 1 is the legend


        boolean pass = false;
        try {

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        List subtitles = chart.getSubtitles();


        assertEquals(1, chart.getSubtitleCount());


        // adding something to the returned list should NOT change the chart
        subtitles.add(new TextTitle("T"));
        assertEquals(1, chart.getSubtitleCount());
    }

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        DefaultPieDataset dataset = new DefaultPieDataset();
        JFreeChart chart = ChartFactory.createPieChart("title", dataset, true,
                false, false);
        chart.addChangeListener(this);
        this.lastChartChangeEvent = null;
        TextTitle t = chart.getTitle();
        t.setFont(new Font("Dialog", Font.BOLD, 9));
        assertNotNull(this.lastChartChangeEvent);
        this.lastChartChangeEvent = null;


        // now create a new title and replace the existing title, several
        // things should happen:
        // (1) Adding the new title should trigger an immediate
        //     ChartChangeEvent;
        // (2) Modifying the new title should trigger a ChartChangeEvent;
        // (3) Modifying the old title should NOT trigger a ChartChangeEvent
        TextTitle t2 = new TextTitle("T2");
        chart.setTitle(t2);
        assertNotNull(this.lastChartChangeEvent);
        this.lastChartChangeEvent = null;


        t2.setFont(new Font("Dialog", Font.BOLD, 9));
        assertNotNull(this.lastChartChangeEvent);
        this.lastChartChangeEvent = null;


        t.setFont(new Font("Dialog", Font.BOLD, 9));
        assertNull(this.lastChartChangeEvent);

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        assertFalse(t1.equals(t2));
        t2.setPadding(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
        assertTrue(t1.equals(t2));


        // contained titles
        t1.getContainer().add(new TextTitle("T1"));
        assertFalse(t1.equals(t2));
        t2.getContainer().add(new TextTitle("T1"));
        assertTrue(t1.equals(t2));


        t1.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.yellow));
        assertFalse(t1.equals(t2));

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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        CompositeTitle t1 = new CompositeTitle(new BlockContainer());
        t1.getContainer().add(new TextTitle("T1"));
        CompositeTitle t2 = new CompositeTitle(new BlockContainer());
        t2.getContainer().add(new TextTitle("T1"));
        assertTrue(t1.equals(t2));
        int h1 = t1.hashCode();
        int h2 = t2.hashCode();
        assertEquals(h1, h2);
    }

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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        CompositeTitle t1 = new CompositeTitle(new BlockContainer());
        t1.getContainer().add(new TextTitle("T1"));
        t1.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.yellow));
        CompositeTitle t2 = null;
        try {
            t2 = (CompositeTitle) t1.clone();

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        CompositeTitle t1 = new CompositeTitle(new BlockContainer());
        t1.getContainer().add(new TextTitle("T1"));
        t1.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        CompositeTitle t2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();

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     * Some checks for the equals() method.
     */
    public void testEquals() {


        // use the TextTitle class because it is a concrete subclass
        Title t1 = new TextTitle();
        Title t2 = new TextTitle();
        assertEquals(t1, t2);


        t1.setPosition(RectangleEdge.LEFT);
        assertFalse(t1.equals(t2));
        t2.setPosition(RectangleEdge.LEFT);
        assertTrue(t1.equals(t2));


        t1.setHorizontalAlignment(HorizontalAlignment.RIGHT);
        assertFalse(t1.equals(t2));
        t2.setHorizontalAlignment(HorizontalAlignment.RIGHT);
        assertTrue(t1.equals(t2));


        t1.setVerticalAlignment(VerticalAlignment.BOTTOM);
        assertFalse(t1.equals(t2));
        t2.setVerticalAlignment(VerticalAlignment.BOTTOM);
        assertTrue(t1.equals(t2));


        t1.setVisible(false);
        assertFalse(t1.equals(t2));
        t2.setVisible(false);
        assertTrue(t1.equals(t2));


    }

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