org.jfree.chart.block.BlockBorder Java Examples

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // ******************************************************************
    //  More than 150 demo applications are included with the JFreeChart
    //  Developer Guide...for more information, see:
    //
    //  >   http://www.object-refinery.com/jfreechart/guide.html
    //
    // ******************************************************************

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // ******************************************************************
    //  More than 150 demo applications are included with the JFreeChart
    //  Developer Guide...for more information, see:
    //
    //  >   http://www.object-refinery.com/jfreechart/guide.html
    //
    // ******************************************************************

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // ******************************************************************
    //  More than 150 demo applications are included with the JFreeChart
    //  Developer Guide...for more information, see:
    //
    //  >   http://www.object-refinery.com/jfreechart/guide.html
    //
    // ******************************************************************

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

public void paintDeviationChart(Graphics graphics, int width, int height) {
	prepareData();

	JFreeChart chart = createChart(this.dataset);

	// set the background color for the chart...
	chart.setBackgroundPaint(Color.white);

	// legend settings
	LegendTitle legend = chart.getLegend();
	if (legend != null) {
		legend.setPosition(RectangleEdge.TOP);
		legend.setFrame(BlockBorder.NONE);
		legend.setHorizontalAlignment(HorizontalAlignment.LEFT);
	}

	Rectangle2D drawRect = new Rectangle2D.Double(0, 0, width, height);
	chart.draw((Graphics2D) graphics, drawRect);
}
 

/**
     * Creates a sample chart.
     *
     * @param dataset  the dataset.
     *
     * @return The chart.
     */
    private static JFreeChart createChart(CategoryDataset dataset) {
        JFreeChart chart = ChartFactory.createBarChart(
            "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
                "Milliseconds" /* y-axis label */, dataset);
        chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
                + "format (lower bars = better performance)"));
        chart.setBackgroundPaint(Color.white);
        CategoryPlot plot = (CategoryPlot) chart.getPlot();

        // set transparent background paint, so the background color of the parent is used
//        java.awt.Color transparent = new java.awt.Color(1.0f, 1.0f, 1.0f, 0f);
//        chart.setBackgroundPaint(transparent);

        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        BarRenderer renderer = (BarRenderer) plot.getRenderer();
        renderer.setDrawBarOutline(false);
        chart.getLegend().setFrame(BlockBorder.NONE);
        return chart;
    }
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // ******************************************************************
    //  More than 150 demo applications are included with the JFreeChart
    //  Developer Guide...for more information, see:
    //
    //  >   http://www.object-refinery.com/jfreechart/guide.html
    //
    // ******************************************************************

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // ******************************************************************
    //  More than 150 demo applications are included with the JFreeChart
    //  Developer Guide...for more information, see:
    //
    //  >   http://www.object-refinery.com/jfreechart/guide.html
    //
    // ******************************************************************

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

/**
 * Creates a sample chart.
 *
 * @param dataset  the dataset.
 *
 * @return The chart.
 */
private static JFreeChart createChart(CategoryDataset dataset) {
    JFreeChart chart = ChartFactory.createBarChart(
        "Performance: JFreeSVG vs Batik", null /* x-axis label*/, 
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(new TextTitle("Time to generate 1000 charts in SVG " 
            + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // ******************************************************************
    //  More than 150 demo applications are included with the JFreeChart
    //  Developer Guide...for more information, see:
    //
    //  >   http://www.object-refinery.com/jfreechart/guide.html
    //
    // ******************************************************************

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}
 

/**
 * Check that the equals() method distinguishes all fields.
 */
public void testEquals() {
    CompositeTitle t1 = new CompositeTitle(new BlockContainer());
    CompositeTitle t2 = new CompositeTitle(new BlockContainer());
    assertEquals(t1, t2);
    assertEquals(t2, t1);
    
    // margin
    t1.setMargin(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
    assertFalse(t1.equals(t2));
    t2.setMargin(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
    assertTrue(t1.equals(t2));
    
    // frame
    t1.setFrame(new BlockBorder(Color.red));
    assertFalse(t1.equals(t2));
    t2.setFrame(new BlockBorder(Color.red));
    assertTrue(t1.equals(t2));
   
    // padding
    t1.setPadding(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
    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));
    
}
 

/**
 * Check that the equals() method distinguishes all fields.
 */
@Test
public void testEquals() {
    CompositeTitle t1 = new CompositeTitle(new BlockContainer());
    CompositeTitle t2 = new CompositeTitle(new BlockContainer());
    assertEquals(t1, t2);
    assertEquals(t2, t1);

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

    // border
    t1.setBorder(new BlockBorder(Color.red));
    assertFalse(t1.equals(t2));
    t2.setBorder(new BlockBorder(Color.red));
    assertTrue(t1.equals(t2));

    // padding
    t1.setPadding(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
    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));
    t2.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
            3.0f, 4.0f, Color.yellow));
    assertTrue(t1.equals(t2));

}
 

/**
 * Check that the equals() method distinguishes all fields.
 */
@Test
public void testEquals() {
    CompositeTitle t1 = new CompositeTitle(new BlockContainer());
    CompositeTitle t2 = new CompositeTitle(new BlockContainer());
    assertEquals(t1, t2);
    assertEquals(t2, t1);

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

    // border
    t1.setBorder(new BlockBorder(Color.red));
    assertFalse(t1.equals(t2));
    t2.setBorder(new BlockBorder(Color.red));
    assertTrue(t1.equals(t2));

    // padding
    t1.setPadding(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
    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));
    t2.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
            3.0f, 4.0f, Color.yellow));
    assertTrue(t1.equals(t2));

}
 

/**
 * Check that the equals() method distinguishes all fields.
 */
public void testEquals() {
    CompositeTitle t1 = new CompositeTitle(new BlockContainer());
    CompositeTitle t2 = new CompositeTitle(new BlockContainer());
    assertEquals(t1, t2);
    assertEquals(t2, t1);

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

    // frame
    t1.setFrame(new BlockBorder(Color.red));
    assertFalse(t1.equals(t2));
    t2.setFrame(new BlockBorder(Color.red));
    assertTrue(t1.equals(t2));

    // padding
    t1.setPadding(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
    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));
    t2.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
            3.0f, 4.0f, Color.yellow));
    assertTrue(t1.equals(t2));

}
 

/**
 * Creates {@link LegendTitle}s for all dimensions from the PlotConfiguration of this Plotter2D.
 * Expects that all {@link ValueSource} s in the provided PlotConfiguration use the same
 * {@link DimensionConfig} s.
 */
private List<LegendTitle> createLegendTitles() {
	List<LegendTitle> legendTitles = new LinkedList<LegendTitle>();
	LegendConfiguration legendConfiguration = plotInstance.getCurrentPlotConfigurationClone().getLegendConfiguration();

	LegendTitle legendTitle = new SmartLegendTitle(this,
			new FlowArrangement(HorizontalAlignment.CENTER, VerticalAlignment.CENTER, 30, 2),
			new ColumnArrangement(HorizontalAlignment.LEFT, VerticalAlignment.CENTER, 0, 2));
	legendTitle.setItemPaint(legendConfiguration.getLegendFontColor());

	RectangleEdge position = legendConfiguration.getLegendPosition().getPosition();
	if (position == null) {
		return legendTitles;
	}
	legendTitle.setPosition(position);

	if (legendConfiguration.isShowLegendFrame()) {
		legendTitle.setFrame(new BlockBorder(legendConfiguration.getLegendFrameColor()));
	}
	ColoredBlockContainer wrapper = new ColoredBlockContainer(legendConfiguration.getLegendBackgroundColor());
	wrapper.add(legendTitle.getItemContainer());
	wrapper.setPadding(3, 3, 3, 3);
	legendTitle.setWrapper(wrapper);

	legendTitles.add(legendTitle);
	return legendTitles;
}
 

private void setPlotMessage(String messageText) {
    chart.getXYPlot().clearAnnotations();
    TextTitle tt = new TextTitle(messageText);
    tt.setTextAlignment(HorizontalAlignment.RIGHT);
    tt.setFont(chart.getLegend().getItemFont());
    tt.setBackgroundPaint(new Color(200, 200, 255, 50));
    tt.setFrame(new BlockBorder(Color.white));
    tt.setPosition(RectangleEdge.BOTTOM);
    XYTitleAnnotation message = new XYTitleAnnotation(0.5, 0.5, tt, RectangleAnchor.CENTER);
    chart.getXYPlot().addAnnotation(message);
}
 

/**
 * Check that the equals() method distinguishes all fields.
 */
@Test
public void testEquals() {
    CompositeTitle t1 = new CompositeTitle(new BlockContainer());
    CompositeTitle t2 = new CompositeTitle(new BlockContainer());
    assertEquals(t1, t2);
    assertEquals(t2, t1);

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

    // border
    t1.setBorder(new BlockBorder(Color.red));
    assertFalse(t1.equals(t2));
    t2.setBorder(new BlockBorder(Color.red));
    assertTrue(t1.equals(t2));

    // padding
    t1.setPadding(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
    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));
    t2.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
            3.0f, 4.0f, Color.yellow));
    assertTrue(t1.equals(t2));

}
 

/**
 * Check that the equals() method distinguishes all fields.
 */
@Test
public void testEquals() {
    CompositeTitle t1 = new CompositeTitle(new BlockContainer());
    CompositeTitle t2 = new CompositeTitle(new BlockContainer());
    assertEquals(t1, t2);
    assertEquals(t2, t1);

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

    // border
    t1.setBorder(new BlockBorder(Color.red));
    assertFalse(t1.equals(t2));
    t2.setBorder(new BlockBorder(Color.red));
    assertTrue(t1.equals(t2));

    // padding
    t1.setPadding(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
    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));
    t2.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
            3.0f, 4.0f, Color.yellow));
    assertTrue(t1.equals(t2));

}
 

/**
 * Update panel
 * @param nameToKeyToRtAndInt File name to spectrum key to RT and intensity
 * @param mode Mode
 */
public void updatePanel(HashMap<String, HashMap<String, ArrayList<float[]>>> nameToKeyToRtAndInt, Integer mode, Integer topNum){

    XYDataset xyDataset = creatMultiXYDataset(nameToKeyToRtAndInt, mode, topNum);

    JFreeChart chart = ChartFactory.createXYLineChart("TIC","Elution Time","Intensity (10^" + (topNum.toString().length() - 1) +")", xyDataset, PlotOrientation.VERTICAL,true,false,false);
    ChartUtils.setAntiAlias(chart);
    ChartUtils.setLineRender(chart.getXYPlot());
    chart.getLegend().setFrame(new BlockBorder(Color.WHITE));

    viewJPanel.removeAll();

    chartPanel = new LineChart(msDataDisplay, chart);

    GroupLayout viewJPanelLayout = new GroupLayout(viewJPanel);
    viewJPanel.setLayout(viewJPanelLayout);

    viewJPanelLayout.setHorizontalGroup(
            viewJPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
                    .addGroup(viewJPanelLayout.createSequentialGroup()
                            .addComponent(chartPanel, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE, Short.MAX_VALUE)
                    )
    );

    viewJPanelLayout.setVerticalGroup(
            viewJPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
                    .addGroup(viewJPanelLayout.createSequentialGroup()
                            .addComponent(chartPanel, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE, Short.MAX_VALUE)
                    )
    );

    viewJPanel.revalidate();
    viewJPanel.repaint();
}
 

/**
 * Process data
 * @param mode Mode
 */
private void processData(Integer mode, Integer topNum){

    XYDataset xyDataset = creatXYDataset(keyToRtAndInt, mode, topNum);

    JFreeChart chart = ChartFactory.createXYLineChart("TIC","Elution Time","Intensity (10^" + (topNum.toString().length() - 1) + ")", xyDataset, PlotOrientation.VERTICAL,true,false,false);
    ChartUtils.setAntiAlias(chart);
    ChartUtils.setLineRender(chart.getXYPlot());
    chart.getLegend().setFrame(new BlockBorder(Color.WHITE));

    viewJPanel.removeAll();

    ChartPanel chartPanel = new LineChart(msDataDisplay, chart);

    GroupLayout viewJPanelLayout = new GroupLayout(viewJPanel);
    viewJPanel.setLayout(viewJPanelLayout);

    viewJPanelLayout.setHorizontalGroup(
            viewJPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
                    .addGroup(viewJPanelLayout.createSequentialGroup()
                            .addComponent(chartPanel, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE, Short.MAX_VALUE)
                            )
    );

    viewJPanelLayout.setVerticalGroup(
            viewJPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
                    .addGroup(viewJPanelLayout.createSequentialGroup()
                            .addComponent(chartPanel, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE, Short.MAX_VALUE)
                            )
    );

    viewJPanel.revalidate();
    viewJPanel.repaint();
}
 

public void drawLegend(JFreeChart chart){
//remove ipotetical other legend
chart.removeLegend();
BlockContainer wrapper = new BlockContainer(new BorderArrangement());
wrapper.setFrame(new BlockBorder(1.0, 1.0, 1.0, 1.0));

/*LabelBlock titleBlock = new LabelBlock("Legend Items:",
		new Font("SansSerif", Font.BOLD, 12));
titleBlock.setPadding(5, 5, 5, 5);
wrapper.add(titleBlock, RectangleEdge.TOP);*/

LegendTitle legend = new LegendTitle(chart.getPlot());
BlockContainer items = legend.getItemContainer();
if(styleLegend!=null && styleLegend.getFont()!=null){
	legend.setItemFont(new Font(styleLegend.getFontName(), Font.BOLD, styleLegend.getSize()));
}

items.setPadding(2, 5, 5, 2);
wrapper.add(items);
legend.setWrapper(wrapper);

if(legendPosition.equalsIgnoreCase("bottom")) legend.setPosition(RectangleEdge.BOTTOM);
else if(legendPosition.equalsIgnoreCase("left")) legend.setPosition(RectangleEdge.LEFT);
else if(legendPosition.equalsIgnoreCase("right")) legend.setPosition(RectangleEdge.RIGHT);
else if(legendPosition.equalsIgnoreCase("top")) legend.setPosition(RectangleEdge.TOP);
else legend.setPosition(RectangleEdge.BOTTOM);

legend.setHorizontalAlignment(HorizontalAlignment.CENTER);
chart.addSubtitle(legend);

}
 

/**
 * Check that the equals() method distinguishes all fields.
 */
@Test
public void testEquals() {
    CompositeTitle t1 = new CompositeTitle(new BlockContainer());
    CompositeTitle t2 = new CompositeTitle(new BlockContainer());
    assertEquals(t1, t2);
    assertEquals(t2, t1);

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

    // border
    t1.setBorder(new BlockBorder(Color.red));
    assertFalse(t1.equals(t2));
    t2.setBorder(new BlockBorder(Color.red));
    assertTrue(t1.equals(t2));

    // padding
    t1.setPadding(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
    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));
    t2.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
            3.0f, 4.0f, Color.yellow));
    assertTrue(t1.equals(t2));

}
 

/**
 * Creates a chart.
 *
 * @param dataset  a dataset.
 *
 * @return A chart.
 */
private static JFreeChart createChart(XYDataset dataset) {

    JFreeChart chart = ChartFactory.createTimeSeriesChart(
        "International Coffee Organisation : Coffee Prices",    // title
        null,             // x-axis label
        "US cents/lb",      // y-axis label
        dataset);

    String fontName = "Palatino";
    chart.getTitle().setFont(new Font(fontName, Font.BOLD, 18));
    chart.addSubtitle(new TextTitle("Source: http://www.ico.org/historical/2010-19/PDF/HIST-PRICES.pdf", 
            new Font(fontName, Font.PLAIN, 14)));

    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setDomainPannable(true);
    plot.setRangePannable(true);
    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);
    plot.getDomainAxis().setLowerMargin(0.0);
    plot.getDomainAxis().setLabelFont(new Font(fontName, Font.BOLD, 14));
    plot.getDomainAxis().setTickLabelFont(new Font(fontName, Font.PLAIN, 12));
    plot.getRangeAxis().setLabelFont(new Font(fontName, Font.BOLD, 14));
    plot.getRangeAxis().setTickLabelFont(new Font(fontName, Font.PLAIN, 12));
    chart.getLegend().setItemFont(new Font(fontName, Font.PLAIN, 14));
    chart.getLegend().setFrame(BlockBorder.NONE);
    chart.getLegend().setHorizontalAlignment(HorizontalAlignment.CENTER);
    XYItemRenderer r = plot.getRenderer();
    if (r instanceof XYLineAndShapeRenderer) {
        XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
        renderer.setBaseShapesVisible(false);
        renderer.setDrawSeriesLineAsPath(true);
        // set the default stroke for all series
        renderer.setAutoPopulateSeriesStroke(false);
        renderer.setBaseStroke(new BasicStroke(3.0f, BasicStroke.CAP_ROUND, 
                BasicStroke.JOIN_BEVEL), false);
        renderer.setSeriesPaint(0, Color.RED);
        renderer.setSeriesPaint(1, new Color(24, 123, 58));
        renderer.setSeriesPaint(2, new Color(149, 201, 136));
        renderer.setSeriesPaint(3, new Color(1, 62, 29));
        renderer.setSeriesPaint(4, new Color(81, 176, 86));
        renderer.setSeriesPaint(5, new Color(0, 55, 122));
        renderer.setSeriesPaint(6, new Color(0, 92, 165));
    }

    return chart;

}
 

/**
 * Creates a new chart with the given title and plot.  The 
 * <code>createLegend</code> argument specifies whether or not a legend
 * should be added to the chart.  
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range 
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param titleFont  the font for displaying the chart title 
 *                   (<code>null</code> permitted).
 * @param plot  controller of the visual representation of the data 
 *              (<code>null</code> not permitted).
 * @param createLegend  a flag indicating whether or not a legend should   
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot, 
                  boolean createLegend) {

    if (plot == null) {
        throw new NullPointerException("Null 'plot' argument.");
    }

    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the 
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.black;

    this.padding = RectangleInsets.ZERO_INSETS;
    
    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setBorder(new BlockBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;

}
 

private void computeCoefficientOfDetermination() {
    int numberOfItems = scatterpointsDataset.getSeries(0).getItemCount();
    double arithmeticMeanOfX = 0;  //arithmetic mean of X
    double arithmeticMeanOfY = 0;  //arithmetic mean of Y
    double varX = 0;    //variance of X
    double varY = 0;    //variance of Y
    double coVarXY = 0;  //covariance of X and Y;
    //compute arithmetic means
    for (int i = 0; i < numberOfItems; i++) {
        arithmeticMeanOfX += scatterpointsDataset.getXValue(0, i);
        arithmeticMeanOfY += scatterpointsDataset.getYValue(0, i);
    }
    arithmeticMeanOfX /= numberOfItems;
    arithmeticMeanOfY /= numberOfItems;
    //compute variances and covariance
    for (int i = 0; i < numberOfItems; i++) {
        varX += Math.pow(scatterpointsDataset.getXValue(0, i) - arithmeticMeanOfX, 2);
        varY += Math.pow(scatterpointsDataset.getYValue(0, i) - arithmeticMeanOfY, 2);
        coVarXY += (scatterpointsDataset.getXValue(0, i) - arithmeticMeanOfX) * (scatterpointsDataset.getYValue(0,
                                                                                                                i) -
                arithmeticMeanOfY);
    }
    //computation of coefficient of determination
    double r2 = Math.pow(coVarXY, 2) / (varX * varY);
    r2 = MathUtils.round(r2, Math.pow(10.0, 5));

    final double[] coefficients = Regression.getOLSRegression(scatterpointsDataset, 0);
    final double intercept = coefficients[0];
    final double slope = coefficients[1];
    final String linearEquation;
    if (intercept >= 0) {
        linearEquation = "y = " + (float) slope + "x + " + (float) intercept;
    } else {
        linearEquation = "y = " + (float) slope + "x - " + Math.abs((float) intercept);
    }

    TextTitle tt = new TextTitle(linearEquation + "\nR² = " + r2);
    tt.setTextAlignment(HorizontalAlignment.RIGHT);
    tt.setFont(chart.getLegend().getItemFont());
    tt.setBackgroundPaint(new Color(200, 200, 255, 100));
    tt.setFrame(new BlockBorder(Color.white));
    tt.setPosition(RectangleEdge.BOTTOM);

    r2Annotation = new XYTitleAnnotation(0.98, 0.02, tt,
                                         RectangleAnchor.BOTTOM_RIGHT);
    r2Annotation.setMaxWidth(0.48);
    getPlot().addAnnotation(r2Annotation);
}
 

/**
 * Confirm that the equals() method can distinguish all the required fields.
 */
public void testEquals() {
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
    EmptyBlock b2 = new EmptyBlock(1.0, 2.0);
    assertTrue(b1.equals(b2));
    assertTrue(b2.equals(b2));
    
    b1.setID("Test");
    assertFalse(b1.equals(b2));
    b2.setID("Test");
    assertTrue(b1.equals(b2));
    
    b1.setMargin(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
    assertFalse(b1.equals(b2));
    b2.setMargin(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
    assertTrue(b1.equals(b2));
    
    b1.setFrame(new BlockBorder(Color.red));
    assertFalse(b1.equals(b2));
    b2.setFrame(new BlockBorder(Color.red));
    assertTrue(b1.equals(b2));
    
    b1.setPadding(new RectangleInsets(2.0, 4.0, 6.0, 8.0));
    assertFalse(b1.equals(b2));
    b2.setPadding(new RectangleInsets(2.0, 4.0, 6.0, 8.0));
    assertTrue(b1.equals(b2));
    
    b1.setWidth(1.23);
    assertFalse(b1.equals(b2));
    b2.setWidth(1.23);
    assertTrue(b1.equals(b2));
    
    b1.setHeight(4.56);
    assertFalse(b1.equals(b2));
    b2.setHeight(4.56);
    assertTrue(b1.equals(b2));
    
    b1.setBounds(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
    assertFalse(b1.equals(b2));
    b2.setBounds(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
    assertTrue(b1.equals(b2));
    
    b1 = new EmptyBlock(1.1, 2.0);
    assertFalse(b1.equals(b2));
    b2 = new EmptyBlock(1.1, 2.0);
    assertTrue(b1.equals(b2));

    b1 = new EmptyBlock(1.1, 2.2);
    assertFalse(b1.equals(b2));
    b2 = new EmptyBlock(1.1, 2.2);
    assertTrue(b1.equals(b2));    
}