Package org.jfree.chart.renderer.category

Examples of org.jfree.chart.renderer.category.AbstractCategoryItemRenderer

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            if (((tick.getValue() != 0.0)
                    || !isRangeZeroBaselineVisible()) && paintLine) {
                // the method we want isn't in the CategoryItemRenderer
                // interface...
                if (r instanceof AbstractCategoryItemRenderer) {
                    AbstractCategoryItemRenderer aci
                            = (AbstractCategoryItemRenderer) r;
                    aci.drawRangeLine(g2, this, axis, dataArea,
                            tick.getValue(), gridPaint, gridStroke);
                }
                else {
                    // we'll have to use the method in the interface, but
                    // this doesn't have the paint and stroke settings...
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        if (!isRangeZeroBaselineVisible()) {
            return;
        }
        CategoryItemRenderer r = getRenderer();
        if (r instanceof AbstractCategoryItemRenderer) {
            AbstractCategoryItemRenderer aci = (AbstractCategoryItemRenderer) r;
            aci.drawRangeLine(g2, this, getRangeAxis(), area, 0.0,
                    this.rangeZeroBaselinePaint, this.rangeZeroBaselineStroke);
        }
        else {
            r.drawRangeGridline(g2, this, getRangeAxis(), area, 0.0);
        }
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                  : PlotOrientation.HORIZONTAL, groupNames != null, false,
              false);
        }
        CategoryPlot plot = chart.getCategoryPlot();
        // 设置显示值的数字
        AbstractCategoryItemRenderer renderer = (AbstractCategoryItemRenderer) plot
            .getRenderer();
        if (labelFormat != null) {
          renderer.setBaseItemLabelFont(labelFont);
          renderer.setBaseItemLabelsVisible(true);
          renderer
              .setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        }
        if (type == LINE) {
          // 线条模式设置显示节点图形
          ((LineAndShapeRenderer) renderer).setBaseShapesVisible(true);
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    /**
     * Confirm that cloning works.
     */
    public void testCloning1() {
        AbstractCategoryItemRenderer r1 = new BarRenderer();
        r1.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        AbstractCategoryItemRenderer r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        r1 = new BarRenderer();
        r1.setSeriesItemLabelGenerator(0,
                new StandardCategoryItemLabelGenerator());
        r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        r1 = new BarRenderer();
        r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }
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    /**
     * Some checks for the findRangeBounds() method.
     */
    public void testFindRangeBounds() {
        AbstractCategoryItemRenderer r = new LineAndShapeRenderer();
        assertNull(r.findRangeBounds(null));

        // an empty dataset should return a null range
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        assertNull(r.findRangeBounds(dataset));

        dataset.addValue(1.0, "R1", "C1");
        assertEquals(new Range(1.0, 1.0), r.findRangeBounds(dataset));

        dataset.addValue(-2.0, "R1", "C2");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));

        dataset.addValue(null, "R1", "C3");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));
    }
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    /**
     * A test that reproduces the problem reported in bug 2947660.
     */
    public void test2947660() {
        AbstractCategoryItemRenderer r = new LineAndShapeRenderer();
        assertNotNull(r.getLegendItems());
        assertEquals(0, r.getLegendItems().getItemCount());

        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        CategoryPlot plot = new CategoryPlot();
        plot.setDataset(dataset);
        plot.setRenderer(r);
        assertEquals(0, r.getLegendItems().getItemCount());

        dataset.addValue(1.0, "S1", "C1");
        LegendItemCollection lic = r.getLegendItems();
        assertEquals(1, lic.getItemCount());
        assertEquals("S1", lic.get(0).getLabel());
    }
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            if (((tick.getValue() != 0.0)
                    || !isRangeZeroBaselineVisible()) && paintLine) {
                // the method we want isn't in the CategoryItemRenderer
                // interface...
                if (r instanceof AbstractCategoryItemRenderer) {
                    AbstractCategoryItemRenderer aci
                            = (AbstractCategoryItemRenderer) r;
                    aci.drawRangeLine(g2, this, axis, dataArea,
                            tick.getValue(), gridPaint, gridStroke);
                }
                else {
                    // we'll have to use the method in the interface, but
                    // this doesn't have the paint and stroke settings...
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        if (!isRangeZeroBaselineVisible()) {
            return;
        }
        CategoryItemRenderer r = getRenderer();
        if (r instanceof AbstractCategoryItemRenderer) {
            AbstractCategoryItemRenderer aci = (AbstractCategoryItemRenderer) r;
            aci.drawRangeLine(g2, this, getRangeAxis(), area, 0.0,
                    this.rangeZeroBaselinePaint, this.rangeZeroBaselineStroke);
        }
        else {
            r.drawRangeGridline(g2, this, getRangeAxis(), area, 0.0);
        }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning1() {
        AbstractCategoryItemRenderer r1 = new BarRenderer();
        r1.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        AbstractCategoryItemRenderer r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        r1 = new BarRenderer();
        r1.setSeriesItemLabelGenerator(0,
                new StandardCategoryItemLabelGenerator());
        r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        r1 = new BarRenderer();
        r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }
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    /**
     * Some checks for the findRangeBounds() method.
     */
    public void testFindRangeBounds() {
        AbstractCategoryItemRenderer r = new LineAndShapeRenderer();
        assertNull(r.findRangeBounds(null));

        // an empty dataset should return a null range
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        assertNull(r.findRangeBounds(dataset));

        dataset.addValue(1.0, "R1", "C1");
        assertEquals(new Range(1.0, 1.0), r.findRangeBounds(dataset));

        dataset.addValue(-2.0, "R1", "C2");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));

        dataset.addValue(null, "R1", "C3");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));
    }
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Related Classes of org.jfree.chart.renderer.category.AbstractCategoryItemRenderer

  • org.jfree.chart.axis.CategoryAxis
  • org.jfree.chart.axis.ValueAxis
  • org.jfree.chart.entity.CategoryItemEntity
  • org.jfree.chart.event.RendererChangeEvent
  • org.jfree.chart.labels.CategoryItemLabelGenerator
  • org.jfree.chart.labels.CategoryLabelGenerator
  • org.jfree.chart.labels.CategoryToolTipGenerator
  • org.jfree.chart.labels.ItemLabelPosition
  • org.jfree.chart.labels.StandardCategorySeriesLabelGenerator
  • org.jfree.chart.LegendItem
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