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

Package org.jfree.chart.renderer.category

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

org.jfree.chart.renderer.category.CategoryItemRenderer
A plug-in object that is used by the {@link CategoryPlot} class to displayindividual data items from a {@link CategoryDataset}.
This interface defines the methods that must be provided by all renderers. If you are implementing a custom renderer, you should consider extending the {@link AbstractCategoryItemRenderer} class.
Most renderer attributes are defined using a "three layer" approach. When looking up an attribute (for example, the outline paint) the renderer first checks to see if there is a setting (in layer 0) that applies to ALL items that the renderer draws. If there is, that setting is used, but if it is null the renderer looks up the next layer, which contains "per series" settings for the attribute (many attributes are defined on a per series basis, so this is the layer that is most commonly used). If the layer 1 setting is null, the renderer will look up the final layer, which provides a default or "base" setting. Some attributes allow the base setting to be null, while other attributes enforce non-null values.

     * @param dataset  the dataset (<code>null</code> permitted).
     *
     * @return The renderer (possibly <code>null</code>).
     */
    public CategoryItemRenderer getRendererForDataset(CategoryDataset dataset) {
        CategoryItemRenderer result = null;
        for (int i = 0; i < this.datasets.size(); i++) {
            if (this.datasets.get(i) == dataset) {
                result = (CategoryItemRenderer) this.renderers.get(i);
                break;
            }

View Full Code Here

        // get the legend items for the datasets...
        int count = this.datasets.size();
        for (int datasetIndex = 0; datasetIndex < count; datasetIndex++) {
            CategoryDataset dataset = getDataset(datasetIndex);
            if (dataset != null) {
                CategoryItemRenderer renderer = getRenderer(datasetIndex);
                if (renderer != null) {
                    result.addAll(renderer.getLegendItems());
                }
            }
        }
        return result;
    }

View Full Code Here

    public boolean render(Graphics2D g2, Rectangle2D dataArea, int index,
            PlotRenderingInfo info, CategoryCrosshairState crosshairState) {


        boolean foundData = false;
        CategoryDataset currentDataset = getDataset(index);
        CategoryItemRenderer renderer = getRenderer(index);
        CategoryAxis domainAxis = getDomainAxisForDataset(index);
        ValueAxis rangeAxis = getRangeAxisForDataset(index);
        boolean hasData = !DatasetUtilities.isEmptyOrNull(currentDataset);
        if (hasData && renderer != null) {


            foundData = true;
            CategoryItemRendererState state = renderer.initialise(g2, dataArea,
                    this, index, info);
            state.setCrosshairState(crosshairState);
            int columnCount = currentDataset.getColumnCount();
            int rowCount = currentDataset.getRowCount();
            int passCount = renderer.getPassCount();
            for (int pass = 0; pass < passCount; pass++) {
                if (this.columnRenderingOrder == SortOrder.ASCENDING) {
                    for (int column = 0; column < columnCount; column++) {
                        if (this.rowRenderingOrder == SortOrder.ASCENDING) {
                            for (int row = 0; row < rowCount; row++) {
                                renderer.drawItem(g2, state, dataArea, this,
                                        domainAxis, rangeAxis, currentDataset,
                                        row, column, pass);
                            }
                        }
                        else {
                            for (int row = rowCount - 1; row >= 0; row--) {
                                renderer.drawItem(g2, state, dataArea, this,
                                        domainAxis, rangeAxis, currentDataset,
                                        row, column, pass);
                            }
                        }
                    }
                }
                else {
                    for (int column = columnCount - 1; column >= 0; column--) {
                        if (this.rowRenderingOrder == SortOrder.ASCENDING) {
                            for (int row = 0; row < rowCount; row++) {
                                renderer.drawItem(g2, state, dataArea, this,
                                        domainAxis, rangeAxis, currentDataset,
                                        row, column, pass);
                            }
                        }
                        else {
                            for (int row = rowCount - 1; row >= 0; row--) {
                                renderer.drawItem(g2, state, dataArea, this,
                                        domainAxis, rangeAxis, currentDataset,
                                        row, column, pass);
                            }
                        }
                    }

View Full Code Here

        }
        CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
        ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);


        // create the renderer...
        CategoryItemRenderer renderer = new StackedBarRenderer3D();
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                    new StandardCategoryToolTipGenerator());
        }
        if (urls) {
            renderer.setBaseItemURLGenerator(
                    new StandardCategoryURLGenerator());
        }


        // create the plot...
        CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,

View Full Code Here

        if (axis != null) {
            int columnCount = dataset.getColumnCount();
            for (int c = 0; c < columnCount; c++) {
                double xx = axis.getCategoryJava2DCoordinate(anchor, c,
                        columnCount, dataArea, domainAxisEdge);
                CategoryItemRenderer renderer1 = getRenderer();
                if (renderer1 != null) {
                    renderer1.drawDomainGridline(g2, this, dataArea, xx);
                }
            }
        }
    }

View Full Code Here

                                              boolean urls) {


        CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
        DateAxis dateAxis = new DateAxis(dateAxisLabel);


        CategoryItemRenderer renderer = new GanttRenderer();
        if (tooltips) {
            renderer.setBaseToolTipGenerator(
                    new IntervalCategoryToolTipGenerator(
                    "{3} - {4}", DateFormat.getDateInstance()));
        }
        if (urls) {
            renderer.setBaseItemURLGenerator(
                    new StandardCategoryURLGenerator());
        }


        CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, dateAxis,
                renderer);

View Full Code Here

        ValueAxis axis = getRangeAxis();
        if (axis == null) {
            return;
        }
        // no renderer, no gridlines...
        CategoryItemRenderer r = getRenderer();
        if (r == null) {
            return;
        }


        Stroke gridStroke = null;
        Paint gridPaint = null;
        boolean paintLine = false;
        Iterator iterator = ticks.iterator();
        while (iterator.hasNext()) {
            paintLine = false;
            ValueTick tick = (ValueTick) iterator.next();
            if ((tick.getTickType() == TickType.MINOR)
                    && isRangeMinorGridlinesVisible()) {
                gridStroke = getRangeMinorGridlineStroke();
                gridPaint = getRangeMinorGridlinePaint();
                paintLine = true;
            }
            else if ((tick.getTickType() == TickType.MAJOR)
                    && isRangeGridlinesVisible()) {
                gridStroke = getRangeGridlineStroke();
                gridPaint = getRangeGridlinePaint();
                paintLine = true;
            }
            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...
                    r.drawRangeGridline(g2, this, axis, dataArea,
                            tick.getValue());
                }
            }
        }
    }

View Full Code Here

     */
    protected void drawZeroRangeBaseline(Graphics2D g2, Rectangle2D area) {
        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);
        }
    }

View Full Code Here

     * @see #drawRangeMarkers(Graphics2D, Rectangle2D, int, Layer)
     */
    protected void drawDomainMarkers(Graphics2D g2, Rectangle2D dataArea,
                                     int index, Layer layer) {


        CategoryItemRenderer r = getRenderer(index);
        if (r == null) {
            return;
        }


        Collection markers = getDomainMarkers(index, layer);
        CategoryAxis axis = getDomainAxisForDataset(index);
        if (markers != null && axis != null) {
            Iterator iterator = markers.iterator();
            while (iterator.hasNext()) {
                CategoryMarker marker = (CategoryMarker) iterator.next();
                r.drawDomainMarker(g2, this, axis, marker, dataArea);
            }
        }


    }

View Full Code Here

     * @see #drawDomainMarkers(Graphics2D, Rectangle2D, int, Layer)
     */
    protected void drawRangeMarkers(Graphics2D g2, Rectangle2D dataArea,
                                    int index, Layer layer) {


        CategoryItemRenderer r = getRenderer(index);
        if (r == null) {
            return;
        }


        Collection markers = getRangeMarkers(index, layer);
        ValueAxis axis = getRangeAxisForDataset(index);
        if (markers != null && axis != null) {
            Iterator iterator = markers.iterator();
            while (iterator.hasNext()) {
                Marker marker = (Marker) iterator.next();
                r.drawRangeMarker(g2, this, axis, marker, dataArea);
            }
        }


    }

View Full Code Here

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