org.jfree.chart.title.LegendTitle Java Examples

/**
 * Returns the nth legend for a chart, or <code>null</code>.
 *
 * @param index  the legend index (zero-based).
 *
 * @return The legend (possibly <code>null</code>).
 *
 * @see #addLegend(LegendTitle)
 */
public LegendTitle getLegend(int index) {
    int seen = 0;
    Iterator iterator = this.subtitles.iterator();
    while (iterator.hasNext()) {
        Title subtitle = (Title) iterator.next();
        if (subtitle instanceof LegendTitle) {
            if (seen == index) {
                return (LegendTitle) subtitle;
            }
            else {
                seen++;
            }
        }
    }
    return null;
}
 

/**
 * Returns the nth legend for a chart, or <code>null</code>.
 * 
 * @param index  the legend index (zero-based).
 * 
 * @return The legend (possibly <code>null</code>).
 * 
 * @see #addLegend(LegendTitle)
 */
public LegendTitle getLegend(int index) {
    int seen = 0;
    Iterator iterator = this.subtitles.iterator();
    while (iterator.hasNext()) {
        Title subtitle = (Title) iterator.next();
        if (subtitle instanceof LegendTitle) {
            if (seen == index) {
                return (LegendTitle) subtitle;
            }
            else {
                seen++;   
            }
        }
    }
    return null;        
}
 

/**
 * Returns the nth legend for a chart, or <code>null</code>.
 * 
 * @param index  the legend index (zero-based).
 * 
 * @return The legend (possibly <code>null</code>).
 * 
 * @see #addLegend(LegendTitle)
 */
public LegendTitle getLegend(int index) {
    int seen = 0;
    Iterator iterator = this.subtitles.iterator();
    while (iterator.hasNext()) {
        Title subtitle = (Title) iterator.next();
        if (subtitle instanceof LegendTitle) {
            if (seen == index) {
                return (LegendTitle) subtitle;
            }
            else {
                seen++;   
            }
        }
    }
    return null;        
}
 

/**
 * Returns the nth legend for a chart, or <code>null</code>.
 *
 * @param index  the legend index (zero-based).
 *
 * @return The legend (possibly <code>null</code>).
 *
 * @see #addLegend(LegendTitle)
 */
public LegendTitle getLegend(int index) {
    int seen = 0;
    Iterator iterator = this.subtitles.iterator();
    while (iterator.hasNext()) {
        Title subtitle = (Title) iterator.next();
        if (subtitle instanceof LegendTitle) {
            if (seen == index) {
                return (LegendTitle) subtitle;
            }
            else {
                seen++;
            }
        }
    }
    return null;
}
 

/**
 * Returns the nth legend for a chart, or <code>null</code>.
 * 
 * @param index  the legend index (zero-based).
 * 
 * @return The legend (possibly <code>null</code>).
 * 
 * @see #addLegend(LegendTitle)
 */
public LegendTitle getLegend(int index) {
    int seen = 0;
    Iterator iterator = this.subtitles.iterator();
    while (iterator.hasNext()) {
        Title subtitle = (Title) iterator.next();
        if (subtitle instanceof LegendTitle) {
            if (seen == index) {
                return (LegendTitle) subtitle;
            }
            else {
                seen++;   
            }
        }
    }
    return null;        
}
 

/**
 * Returns the nth legend for a chart, or <code>null</code>.
 * 
 * @param index  the legend index (zero-based).
 * 
 * @return The legend (possibly <code>null</code>).
 * 
 * @see #addLegend(LegendTitle)
 */
public LegendTitle getLegend(int index) {
    int seen = 0;
    Iterator iterator = this.subtitles.iterator();
    while (iterator.hasNext()) {
        Title subtitle = (Title) iterator.next();
        if (subtitle instanceof LegendTitle) {
            if (seen == index) {
                return (LegendTitle) subtitle;
            }
            else {
                seen++;   
            }
        }
    }
    return null;        
}
 

private void fillChart(String title, List<String> names, 
		List<String> colors, List<Float> values) throws Exception {
	DefaultPieDataset data=new DefaultPieDataset();
	for (int ix=0; ix<names.size(); ix++) {
		data.setValue( names.get(ix), values.get(ix) );
	}
       this.chart=ChartFactory.createPieChart3D(
       		title, 
       		data, 
       		true,
       		true, 
       		false);
       LegendTitle legend=this.chart.getLegend();
       legend.setItemFont(new Font("", Font.TRUETYPE_FONT, 9) );
       PiePlot plot=(PiePlot)this.chart.getPlot();
       plot.setCircular(true);
       plot.setBackgroundAlpha(0.9f);       
       plot.setForegroundAlpha(0.5f);
       plot.setLabelFont(new Font("", Font.TRUETYPE_FONT, 9) );
       this.setPlotColor( plot, names, colors );
       this.chart.setTitle(new TextTitle(title, new Font("", Font.TRUETYPE_FONT, 9) ) ); 		
}
 

/**
 * Returns the nth legend for a chart, or <code>null</code>.
 * 
 * @param index  the legend index (zero-based).
 * 
 * @return The legend (possibly <code>null</code>).
 * 
 * @see #addLegend(LegendTitle)
 */
public LegendTitle getLegend(int index) {
    int seen = 0;
    Iterator iterator = this.subtitles.iterator();
    while (iterator.hasNext()) {
        Title subtitle = (Title) iterator.next();
        if (subtitle instanceof LegendTitle) {
            if (seen == index) {
                return (LegendTitle) subtitle;
            }
            else {
                seen++;   
            }
        }
    }
    return null;        
}
 

/**
 * Returns the nth legend for a chart, or <code>null</code>.
 * 
 * @param index  the legend index (zero-based).
 * 
 * @return The legend (possibly <code>null</code>).
 * 
 * @see #addLegend(LegendTitle)
 */
public LegendTitle getLegend(int index) {
    int seen = 0;
    Iterator iterator = this.subtitles.iterator();
    while (iterator.hasNext()) {
        Title subtitle = (Title) iterator.next();
        if (subtitle instanceof LegendTitle) {
            if (seen == index) {
                return (LegendTitle) subtitle;
            }
            else {
                seen++;   
            }
        }
    }
    return null;        
}
 

/**
 * Returns the nth legend for a chart, or <code>null</code>.
 * 
 * @param index  the legend index (zero-based).
 * 
 * @return The legend (possibly <code>null</code>).
 * 
 * @see #addLegend(LegendTitle)
 */
public LegendTitle getLegend(int index) {
    int seen = 0;
    Iterator iterator = this.subtitles.iterator();
    while (iterator.hasNext()) {
        Title subtitle = (Title) iterator.next();
        if (subtitle instanceof LegendTitle) {
            if (seen == index) {
                return (LegendTitle) subtitle;
            }
            else {
                seen++;   
            }
        }
    }
    return null;        
}
 

/**
 * Returns the nth legend for a chart, or <code>null</code>.
 * 
 * @param index  the legend index (zero-based).
 * 
 * @return The legend (possibly <code>null</code>).
 * 
 * @see #addLegend(LegendTitle)
 */
public LegendTitle getLegend(int index) {
    int seen = 0;
    Iterator iterator = this.subtitles.iterator();
    while (iterator.hasNext()) {
        Title subtitle = (Title) iterator.next();
        if (subtitle instanceof LegendTitle) {
            if (seen == index) {
                return (LegendTitle) subtitle;
            }
            else {
                seen++;   
            }
        }
    }
    return null;        
}
 

/**
 * Check that the equals() method distinguishes all fields.
 */
public void testEquals() {
    XYPlot plot1 = new XYPlot();
    LegendTitle t1 = new LegendTitle(plot1);
    LegendTitle t2 = new LegendTitle(plot1);
    assertEquals(t1, 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));

    t1.setLegendItemGraphicEdge(RectangleEdge.BOTTOM);
    assertFalse(t1.equals(t2));
    t2.setLegendItemGraphicEdge(RectangleEdge.BOTTOM);
    assertTrue(t1.equals(t2));

    t1.setLegendItemGraphicAnchor(RectangleAnchor.BOTTOM_LEFT);
    assertFalse(t1.equals(t2));
    t2.setLegendItemGraphicAnchor(RectangleAnchor.BOTTOM_LEFT);
    assertTrue(t1.equals(t2));

    t1.setLegendItemGraphicLocation(RectangleAnchor.TOP_LEFT);
    assertFalse(t1.equals(t2));
    t2.setLegendItemGraphicLocation(RectangleAnchor.TOP_LEFT);
    assertTrue(t1.equals(t2));

    t1.setItemFont(new Font("Dialog", Font.PLAIN, 19));
    assertFalse(t1.equals(t2));
    t2.setItemFont(new Font("Dialog", Font.PLAIN, 19));
    assertTrue(t1.equals(t2));
}
 

/**
 * Some checks for the default legend firing change events.
 */
@Test
public void testLegendEvents() {
    DefaultPieDataset dataset = new DefaultPieDataset();
    JFreeChart chart = ChartFactory.createPieChart("title", dataset);
    chart.addChangeListener(this);
    this.lastChartChangeEvent = null;
    LegendTitle legend = chart.getLegend();
    legend.setPosition(RectangleEdge.TOP);
    assertNotNull(this.lastChartChangeEvent);
}
 

/**
 * Applies the attributes of this theme to the specified title.
 *
 * @param title  the title.
 */
protected void applyToTitle(Title title) {
    if (title instanceof TextTitle) {
        TextTitle tt = (TextTitle) title;
        tt.setFont(this.largeFont);
        tt.setPaint(this.subtitlePaint);
    }
    else if (title instanceof LegendTitle) {
        LegendTitle lt = (LegendTitle) title;
        if (lt.getBackgroundPaint() != null) {
            lt.setBackgroundPaint(this.legendBackgroundPaint);
        }
        lt.setItemFont(this.regularFont);
        lt.setItemPaint(this.legendItemPaint);
        if (lt.getWrapper() != null) {
            applyToBlockContainer(lt.getWrapper());
        }
    }
    else if (title instanceof PaintScaleLegend) {
        PaintScaleLegend psl = (PaintScaleLegend) title;
        psl.setBackgroundPaint(this.legendBackgroundPaint);
        ValueAxis axis = psl.getAxis();
        if (axis != null) {
            applyToValueAxis(axis);
        }
    }
    else if (title instanceof CompositeTitle) {
        CompositeTitle ct = (CompositeTitle) title;
        BlockContainer bc = ct.getContainer();
        List blocks = bc.getBlocks();
        Iterator iterator = blocks.iterator();
        while (iterator.hasNext()) {
            Block b = (Block) iterator.next();
            if (b instanceof Title) {
                applyToTitle((Title) b);
            }
        }
    }
}
 

/**
 * Toggles visibility of legends
 */
private void toggleLegends() {
  if (pnHisto != null) {
    LegendTitle legend = pnHisto.getChart().getLegend();
    if (legend != null)
      legend.setVisible(!legend.isVisible());
  }
}
 

private void setLegend(JFreeChart chart) {
    chart.removeLegend();
    final LegendTitle legend = new LegendTitle(new SpectrumLegendItemSource());
    legend.setPosition(RectangleEdge.BOTTOM);
    LineBorder border = new LineBorder(Color.BLACK, new BasicStroke(), new RectangleInsets(2, 2, 2, 2));
    legend.setFrame(border);
    chart.addLegend(legend);
}
 

/**
 * Fixes the legend item's colour after the colours of the datasets/series in the plot were
 * changed.
 * 
 * @param chart The chart.
 */
public static void fixLegend(JFreeChart chart) {
  XYPlot plot = chart.getXYPlot();
  LegendTitle oldLegend = chart.getLegend();
  RectangleEdge pos = oldLegend.getPosition();
  chart.removeLegend();
  
  LegendTitle newLegend = new LegendTitle(plot);
  newLegend.setPosition(pos);
  newLegend.setItemFont(oldLegend.getItemFont());
  chart.addLegend(newLegend);
  newLegend.setVisible(oldLegend.isVisible());
}
 

protected final void addLegend() {
    if (chart == null) {
        throw new IllegalStateException("initChart() must be called first");
    }

    LegendTitle legend = new LegendTitle(chart.getPlot());
    formatter.formatLegend(legend);

    chart.addLegend(legend);
}
 

/**
 * Create graph based on the given dataset and constraints.
 *
 * @return The JFreeChart graph.
 */
protected JFreeChart createGraph() {
    // Create chart.
    JFreeChart chart = ChartFactory.createStackedAreaChart(null, null, yLabel, dataset, PlotOrientation.VERTICAL, true, true, false);
    chart.setBackgroundPaint(Color.WHITE);

    // Create chart legend.
    LegendTitle legend = chart.getLegend();
    legend.setPosition(RectangleEdge.RIGHT);

    // Create chart plot.
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setForegroundAlpha(0.7f);
    plot.setBackgroundPaint(Color.WHITE);
    plot.setRangeGridlinePaint(Color.darkGray);

    // Create domain (x) axis.
    CategoryAxis domain = new ShiftedCategoryAxis(xLabel);
    domain.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
    domain.setLowerMargin(0.0);
    domain.setUpperMargin(0.0);
    domain.setCategoryMargin(0.0);
    plot.setDomainAxis(domain);

    // Create range (y) axis.
    NumberAxis range = (NumberAxis) plot.getRangeAxis();
    range.setAutoRange(true);
    range.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // Create renderer and paint the chart.
    CategoryItemRenderer renderer = plot.getRenderer();
    plot.setInsets(new RectangleInsets(5.0, 0, 0, 5.0));

    // Set chart colors for sections.
    for (int i = 0; i < colors.length; i++) {
        renderer.setSeriesPaint(i, colors[i]);
    }
    return chart;
}
 

/**
 * Applies the attributes of this theme to the specified title.
 *
 * @param title  the title.
 */
protected void applyToTitle(Title title) {
    if (title instanceof TextTitle) {
        TextTitle tt = (TextTitle) title;
        tt.setFont(this.largeFont);
        tt.setPaint(this.subtitlePaint);
    }
    else if (title instanceof LegendTitle) {
        LegendTitle lt = (LegendTitle) title;
        if (lt.getBackgroundPaint() != null) {
            lt.setBackgroundPaint(this.legendBackgroundPaint);
        }
        lt.setItemFont(this.regularFont);
        lt.setItemPaint(this.legendItemPaint);
        if (lt.getWrapper() != null) {
            applyToBlockContainer(lt.getWrapper());
        }
    }
    else if (title instanceof PaintScaleLegend) {
        PaintScaleLegend psl = (PaintScaleLegend) title;
        psl.setBackgroundPaint(this.legendBackgroundPaint);
        ValueAxis axis = psl.getAxis();
        if (axis != null) {
            applyToValueAxis(axis);
        }
    }
    else if (title instanceof CompositeTitle) {
        CompositeTitle ct = (CompositeTitle) title;
        BlockContainer bc = ct.getContainer();
        List blocks = bc.getBlocks();
        Iterator iterator = blocks.iterator();
        while (iterator.hasNext()) {
            Block b = (Block) iterator.next();
            if (b instanceof Title) {
                applyToTitle((Title) b);
            }
        }
    }
}
 

/**
 * Serialize a pie chart, restore it, and check for equality.
 */
@Test
public void testSerialization1() {
    DefaultPieDataset data = new DefaultPieDataset();
    data.setValue("Type 1", 54.5);
    data.setValue("Type 2", 23.9);
    data.setValue("Type 3", 45.8);

    JFreeChart c1 = ChartFactory.createPieChart("Test", data);
    JFreeChart c2 = (JFreeChart) TestUtilities.serialised(c1);
    assertEquals(c1, c2);
    LegendTitle lt2 = c2.getLegend();
    assertSame(lt2.getSources()[0], c2.getPlot());
}
 

/**
 * Applies the attributes of this theme to the specified title.
 *
 * @param title  the title.
 */
protected void applyToTitle(Title title) {
    if (title instanceof TextTitle) {
        TextTitle tt = (TextTitle) title;
        tt.setFont(this.largeFont);
        tt.setPaint(this.subtitlePaint);
    }
    else if (title instanceof LegendTitle) {
        LegendTitle lt = (LegendTitle) title;
        if (lt.getBackgroundPaint() != null) {
            lt.setBackgroundPaint(this.legendBackgroundPaint);
        }
        lt.setItemFont(this.regularFont);
        lt.setItemPaint(this.legendItemPaint);
        if (lt.getWrapper() != null) {
            applyToBlockContainer(lt.getWrapper());
        }
    }
    else if (title instanceof PaintScaleLegend) {
        PaintScaleLegend psl = (PaintScaleLegend) title;
        psl.setBackgroundPaint(this.legendBackgroundPaint);
        ValueAxis axis = psl.getAxis();
        if (axis != null) {
            applyToValueAxis(axis);
        }
    }
    else if (title instanceof CompositeTitle) {
        CompositeTitle ct = (CompositeTitle) title;
        BlockContainer bc = ct.getContainer();
        List blocks = bc.getBlocks();
        Iterator iterator = blocks.iterator();
        while (iterator.hasNext()) {
            Block b = (Block) iterator.next();
            if (b instanceof Title) {
                applyToTitle((Title) b);
            }
        }
    }
}
 

public void applyToTitles(@Nonnull JFreeChart chart) {
    TextTitle title = chart.getTitle();
    if(title != null) {
      title.setVisible(isShowTitle());
      if (isChangeTitle()) {
        title.setText(getTitle());
      }
    }

    chart.getSubtitles().forEach(s -> {
      if (s != chart.getTitle() && s instanceof TextTitle) {
        TextTitle textTitle = (TextTitle)s;
//        ((TextTitle) s).setFont(getRegularFont());
//        ((TextTitle) s).setMargin(TITLE_TOP_MARGIN, 0d, 0d, 0d);
        textTitle.setVisible(isShowSubtitles());
//        ((TextTitle) s).setPaint(subtitleFontColor); // should be set by the theme itself.
//        subtitle color is set by the chart theme parameters

//        if (PaintScaleLegend.class.isAssignableFrom(s.getClass())) {
//          ((PaintScaleLegend) s)
//              .setBackgroundPaint(this.getChartBackgroundPaint());
//        }
      }
      if (s instanceof LegendTitle) {
        LegendTitle legendTitle = (LegendTitle) s;
        legendTitle.setVisible(isShowLegend());
      }
    });
  }
 

/**
 * Some checks for the default legend firing change events.
 */
public void testLegendEvents() {
    DefaultPieDataset dataset = new DefaultPieDataset();
    JFreeChart chart = ChartFactory.createPieChart("title", dataset, true, 
            false, false);
    chart.addChangeListener(this);
    this.lastChartChangeEvent = null;
    LegendTitle legend = chart.getLegend();
    legend.setPosition(RectangleEdge.TOP);
    assertNotNull(this.lastChartChangeEvent);
}
 

/**
 * Applies the attributes of this theme to the specified title.
 *
 * @param title  the title.
 */
protected void applyToTitle(Title title) {
    if (title instanceof TextTitle) {
        TextTitle tt = (TextTitle) title;
        tt.setFont(this.largeFont);
        tt.setPaint(this.subtitlePaint);
    }
    else if (title instanceof LegendTitle) {
        LegendTitle lt = (LegendTitle) title;
        if (lt.getBackgroundPaint() != null) {
            lt.setBackgroundPaint(this.legendBackgroundPaint);
        }
        lt.setItemFont(this.regularFont);
        lt.setItemPaint(this.legendItemPaint);
        if (lt.getWrapper() != null) {
            applyToBlockContainer(lt.getWrapper());
        }
    }
    else if (title instanceof PaintScaleLegend) {
        PaintScaleLegend psl = (PaintScaleLegend) title;
        psl.setBackgroundPaint(this.legendBackgroundPaint);
        ValueAxis axis = psl.getAxis();
        if (axis != null) {
            applyToValueAxis(axis);
        }
    }
    else if (title instanceof CompositeTitle) {
        CompositeTitle ct = (CompositeTitle) title;
        BlockContainer bc = ct.getContainer();
        List blocks = bc.getBlocks();
        Iterator iterator = blocks.iterator();
        while (iterator.hasNext()) {
            Block b = (Block) iterator.next();
            if (b instanceof Title) {
                applyToTitle((Title) b);
            }
        }
    }
}
 

public void paintParetoChart(Graphics graphics) {
	prepareData();

	JFreeChart chart = createChart();

	if (chart != null) {
		// set the background color for the chart...
		chart.setBackgroundPaint(Color.white);
		chart.getPlot().setBackgroundPaint(Color.WHITE);

		// bar renderer --> own 3D effect
		CategoryPlot plot = chart.getCategoryPlot();
		BarRenderer renderer = (BarRenderer) plot.getRenderer();
		// renderer.setBarPainter(new StandardBarPainter());
		renderer.setBarPainter(new RapidBarPainter());

		renderer.setSeriesPaint(0, getColorProvider(true).getPointColor(1));

		// labels on top of bars
		Map<String, String> barItemLabels = new HashMap<>();
		Map<String, String> cumulativeItemLabels = new HashMap<>();
		int groupSum = 0;
		int totalSum = 0;
		for (Object key : totalData.getKeys()) {
			String k = (String) key;
			try {
				Number groupValue = data.getValue(k);
				Number totalValue = totalData.getValue(k);
				groupSum += groupValue.intValue();
				totalSum += totalValue.intValue();
				barItemLabels.put(
						k,
						Tools.formatIntegerIfPossible(groupValue.doubleValue()) + " / "
								+ Tools.formatIntegerIfPossible(totalValue.doubleValue()));
				cumulativeItemLabels.put(k, groupSum + " / " + totalSum);
			} catch (UnknownKeyException e) {
				// do nothing
			}
		}
		renderer.setSeriesItemLabelFont(0, LABEL_FONT);

		if (showBarLabelsFlag) {
			renderer.setSeriesItemLabelsVisible(0, true);
			renderer.setSeriesItemLabelGenerator(0, new ParetoChartItemLabelGenerator(barItemLabels));

			if (isLabelRotating()) {
				renderer.setSeriesPositiveItemLabelPosition(0, new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12,
						TextAnchor.CENTER_LEFT, TextAnchor.CENTER_LEFT, -Math.PI / 2.0d));
				renderer.setSeriesNegativeItemLabelPosition(0, new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12,
						TextAnchor.CENTER_LEFT, TextAnchor.CENTER_LEFT, -Math.PI / 2.0d));
			}
		}

		LineAndShapeRenderer renderer2 = (LineAndShapeRenderer) chart.getCategoryPlot().getRenderer(1);
		renderer2.setSeriesPaint(0, Color.GRAY.darker().darker());
		renderer2.setSeriesItemLabelFont(0, LABEL_FONT);
		renderer2.setSeriesItemLabelPaint(0, Color.BLACK);
		if (isLabelRotating()) {
			renderer2.setSeriesPositiveItemLabelPosition(0, new ItemLabelPosition(ItemLabelAnchor.OUTSIDE6,
					TextAnchor.CENTER_RIGHT, TextAnchor.CENTER_RIGHT, -Math.PI / 2.0d));
			renderer2.setSeriesNegativeItemLabelPosition(0, new ItemLabelPosition(ItemLabelAnchor.OUTSIDE6,
					TextAnchor.CENTER_RIGHT, TextAnchor.CENTER_RIGHT, -Math.PI / 2.0d));
		} else {
			renderer2.setSeriesPositiveItemLabelPosition(0, new ItemLabelPosition(ItemLabelAnchor.OUTSIDE10,
					TextAnchor.BOTTOM_RIGHT));
			renderer2.setSeriesNegativeItemLabelPosition(0, new ItemLabelPosition(ItemLabelAnchor.OUTSIDE10,
					TextAnchor.BOTTOM_RIGHT));
		}

		if (showCumulativeLabelsFlag) {
			renderer2.setSeriesItemLabelsVisible(0, true);
			renderer2.setSeriesItemLabelGenerator(0, new ParetoChartItemLabelGenerator(cumulativeItemLabels));
		}

		// draw outlines
		renderer.setDrawBarOutline(true);

		// gridline colors
		plot.setRangeGridlinePaint(Color.BLACK);

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

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

protected void configureChart( final JFreeChart chart ) {
  // Misc Properties
  final TextTitle chartTitle = chart.getTitle();
  if ( chartTitle != null ) {
    final Font titleFont = Font.decode( getTitleFont() );
    chartTitle.setFont( titleFont );
  }

  if ( isAntiAlias() == false ) {
    chart.setAntiAlias( false );
  }

  chart.setBorderVisible( isShowBorder() );

  final Color backgroundColor = parseColorFromString( getBackgroundColor() );
  if ( backgroundColor != null ) {
    chart.setBackgroundPaint( backgroundColor );
  }

  if ( plotBackgroundColor != null ) {
    chart.getPlot().setBackgroundPaint( plotBackgroundColor );
  }
  chart.getPlot().setBackgroundAlpha( plotBackgroundAlpha );
  chart.getPlot().setForegroundAlpha( plotForegroundAlpha );
  final Color borderCol = parseColorFromString( getBorderColor() );
  if ( borderCol != null ) {
    chart.setBorderPaint( borderCol );
  }

  //remove legend if showLegend = false
  if ( !isShowLegend() ) {
    chart.removeLegend();
  } else { //if true format legend
    final LegendTitle chLegend = chart.getLegend();
    if ( chLegend != null ) {
      final RectangleEdge loc = translateEdge( legendLocation.toLowerCase() );
      if ( loc != null ) {
        chLegend.setPosition( loc );
      }
      if ( getLegendFont() != null ) {
        chLegend.setItemFont( Font.decode( getLegendFont() ) );
      }
      if ( !isDrawLegendBorder() ) {
        chLegend.setBorder( BlockBorder.NONE );
      }
      if ( legendBackgroundColor != null ) {
        chLegend.setBackgroundPaint( legendBackgroundColor );
      }
      if ( legendTextColor != null ) {
        chLegend.setItemPaint( legendTextColor );
      }
    }

  }

  final Plot plot = chart.getPlot();
  plot.setNoDataMessageFont( Font.decode( getLabelFont() ) );

  final String message = getNoDataMessage();
  if ( message != null ) {
    plot.setNoDataMessage( message );
  }

  plot.setOutlineVisible( isChartSectionOutline() );

  if ( backgroundImage != null ) {
    if ( plotImageCache != null ) {
      plot.setBackgroundImage( plotImageCache );
    } else {
      final ExpressionRuntime expressionRuntime = getRuntime();
      final ProcessingContext context = expressionRuntime.getProcessingContext();
      final ResourceKey contentBase = context.getContentBase();
      final ResourceManager manager = context.getResourceManager();
      try {
        final ResourceKey key = createKeyFromString( manager, contentBase, backgroundImage );
        final Resource resource = manager.create( key, null, Image.class );
        final Image image = (Image) resource.getResource();
        plot.setBackgroundImage( image );
        plotImageCache = image;
      } catch ( Exception e ) {
        logger.error( "ABSTRACTCHARTEXPRESSION.ERROR_0007_ERROR_RETRIEVING_PLOT_IMAGE", e ); //$NON-NLS-1$
        throw new IllegalStateException( "Failed to process chart" );
      }
    }
  }
}
 

@FXML
public void initialize() {

  final JFreeChart chart = chartNode.getChart();
  final XYPlot plot = chart.getXYPlot();

  // Do not set colors and strokes dynamically. They are instead provided
  // by the dataset and configured in configureRenderer()
  plot.setDrawingSupplier(null);
  plot.setDomainGridlinePaint(JavaFXUtil.convertColorToAWT(gridColor));
  plot.setRangeGridlinePaint(JavaFXUtil.convertColorToAWT(gridColor));
  plot.setBackgroundPaint(JavaFXUtil.convertColorToAWT(backgroundColor));
  plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
  plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
  plot.setDomainCrosshairPaint(JavaFXUtil.convertColorToAWT(crossHairColor));
  plot.setRangeCrosshairPaint(JavaFXUtil.convertColorToAWT(crossHairColor));
  plot.setDomainCrosshairVisible(true);
  plot.setRangeCrosshairVisible(true);

  // chart properties
  chart.setBackgroundPaint(JavaFXUtil.convertColorToAWT(backgroundColor));

  // legend properties
  LegendTitle legend = chart.getLegend();
  // legend.setItemFont(legendFont);
  legend.setFrame(BlockBorder.NONE);

  // set the X axis (retention time) properties
  NumberAxis xAxis = (NumberAxis) plot.getDomainAxis();
  xAxis.setLabel("Retention time (min)");
  xAxis.setUpperMargin(0.03);
  xAxis.setLowerMargin(0.03);
  xAxis.setRangeType(RangeType.POSITIVE);
  xAxis.setTickLabelInsets(new RectangleInsets(0, 0, 20, 20));

  // set the Y axis (intensity) properties
  NumberAxis yAxis = (NumberAxis) plot.getRangeAxis();
  yAxis.setLabel("Intensity");
  yAxis.setRangeType(RangeType.POSITIVE);
  yAxis.setAutoRangeIncludesZero(true);

  // set the fixed number formats, because otherwise JFreeChart sometimes
  // shows exponent, sometimes it doesn't
  DecimalFormat mzFormat = MZmineCore.getConfiguration().getMZFormat();
  xAxis.setNumberFormatOverride(mzFormat);
  DecimalFormat intensityFormat = MZmineCore.getConfiguration().getIntensityFormat();
  yAxis.setNumberFormatOverride(intensityFormat);

  chartTitle = chartNode.getChart().getTitle();
  chartTitle.setMargin(5, 0, 0, 0);
  chartTitle.setFont(titleFont);
  chartTitle.setText("Chromatogram");

  chartNode.setCursor(Cursor.CROSSHAIR);

  // Remove the dataset if it is removed from the list
  datasets.addListener((Change<? extends ChromatogramPlotDataSet> c) -> {
    while (c.next()) {
      if (c.wasRemoved()) {
        for (ChromatogramPlotDataSet ds : c.getRemoved()) {
          int index = plot.indexOf(ds);
          plot.setDataset(index, null);
        }
      }
    }
  });

  itemLabelsVisible.addListener((prop, oldVal, newVal) -> {
    for (ChromatogramPlotDataSet dataset : datasets) {
      int datasetIndex = plot.indexOf(dataset);
      XYItemRenderer renderer = plot.getRenderer(datasetIndex);
      renderer.setBaseItemLabelsVisible(newVal);
    }
  });

  legendVisible.addListener((prop, oldVal, newVal) -> {
    legend.setVisible(newVal);
  });
}
 

/**
 * Creates an overlaid chart.
 *
 * @return The chart.
 */
private static JFreeChart createCombinedChart() {

    // create plot ...
    IntervalXYDataset data1 = createDataset1();
    XYItemRenderer renderer1 = new XYLineAndShapeRenderer(true, false);
    renderer1.setBaseToolTipGenerator(new StandardXYToolTipGenerator(
            StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
            new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00")));
    renderer1.setSeriesStroke(0, new BasicStroke(4.0f,
            BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
    renderer1.setSeriesPaint(0, Color.blue);

    DateAxis domainAxis = new DateAxis("Year");
    domainAxis.setLowerMargin(0.0);
    domainAxis.setUpperMargin(0.02);
    ValueAxis rangeAxis = new NumberAxis("$billion");
    XYPlot plot1 = new XYPlot(data1, null, rangeAxis, renderer1);
    plot1.setBackgroundPaint(Color.lightGray);
    plot1.setDomainGridlinePaint(Color.white);
    plot1.setRangeGridlinePaint(Color.white);

    // add a second dataset and renderer...
    IntervalXYDataset data2 = createDataset2();
    XYBarRenderer renderer2 = new XYBarRenderer() {
        public Paint getItemPaint(int series, int item) {
            XYDataset dataset = getPlot().getDataset();
            if (dataset.getYValue(series, item) >= 0.0) {
                return Color.red;
            }
            else {
                return Color.green;
            }
        }
    };
    renderer2.setSeriesPaint(0, Color.red);
    renderer2.setDrawBarOutline(false);
    renderer2.setBaseToolTipGenerator(new StandardXYToolTipGenerator(
            StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
            new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00")));

    XYPlot plot2 = new XYPlot(data2, null, new NumberAxis("$billion"),
            renderer2);
    plot2.setBackgroundPaint(Color.lightGray);
    plot2.setDomainGridlinePaint(Color.white);
    plot2.setRangeGridlinePaint(Color.white);

    CombinedXYPlot cplot = new CombinedXYPlot(domainAxis, rangeAxis);
    cplot.add(plot1, 3);
    cplot.add(plot2, 2);
    cplot.setGap(8.0);
    cplot.setDomainGridlinePaint(Color.white);
    cplot.setDomainGridlinesVisible(true);

    // return a new chart containing the overlaid plot...
    JFreeChart chart = new JFreeChart("CombinedXYPlotDemo1",
            JFreeChart.DEFAULT_TITLE_FONT, cplot, false);
    chart.setBackgroundPaint(Color.white);
    LegendTitle legend = new LegendTitle(cplot);
    chart.addSubtitle(legend);
    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.setFrame(new LineBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
        legend.addChangeListener(this);
    }

    // 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;

}