standardcharttheme.java

JFreeChart它主要是用来制作各种各样的图表

     * @param paint  the paint (<code>null</code> not permitted).
     *
     * @see #getThermometerPaint()
     */
    public void setThermometerPaint(Paint paint) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.thermometerPaint = paint;
    }

    /**
     * Returns the wall paint for charts with a 3D effect.
     *
     * @return The wall paint (never <code>null</code>).
     *
     * @see #setWallPaint(Paint)
     */
    public Paint getWallPaint() {
        return this.wallPaint;
    }

    /**
     * Sets the wall paint for charts with a 3D effect.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     *
     * @see #getWallPaint()
     */
    public void setWallPaint(Paint paint) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.wallPaint = paint;
    }

    /**
     * Returns the error indicator paint.
     *
     * @return The error indicator paint (never <code>null</code>).
     *
     * @see #setErrorIndicatorPaint(Paint)
     */
    public Paint getErrorIndicatorPaint() {
        return this.errorIndicatorPaint;
    }

    /**
     * Sets the error indicator paint.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     *
     * @see #getErrorIndicatorPaint()
     */
    public void setErrorIndicatorPaint(Paint paint) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.errorIndicatorPaint = paint;
    }

    /**
     * Returns the grid band paint.
     *
     * @return The grid band paint (never <code>null</code>).
     *
     * @see #setGridBandPaint(Paint)
     */
    public Paint getGridBandPaint() {
        return this.gridBandPaint;
    }

    /**
     * Sets the grid band paint.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     *
     * @see #getGridBandPaint()
     */
    public void setGridBandPaint(Paint paint) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.gridBandPaint = paint;
    }

    /**
     * Returns the grid band alternate paint (used for a {@link SymbolAxis}).
     *
     * @return The paint (never <code>null</code>).
     *
     * @see #setGridBandAlternatePaint(Paint)
     */
    public Paint getGridBandAlternatePaint() {
        return this.gridBandAlternatePaint;
    }

    /**
     * Sets the grid band alternate paint (used for a {@link SymbolAxis}).
     *
     * @param paint  the paint (<code>null</code> not permitted).
     *
     * @see #getGridBandAlternatePaint()
     */
    public void setGridBandAlternatePaint(Paint paint) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.gridBandAlternatePaint = paint;
    }

    /**
     * Returns the name of this theme.
     *
     * @return The name of this theme.
     */
    public String getName() {
        return this.name;
    }

    /**
     * Returns a clone of the drawing supplier for this theme.
     *
     * @return A clone of the drawing supplier.
     */
    public DrawingSupplier getDrawingSupplier() {
        DrawingSupplier result = null;
        if (this.drawingSupplier instanceof PublicCloneable) {
            PublicCloneable pc = (PublicCloneable) this.drawingSupplier;
              try {
                result = (DrawingSupplier) pc.clone();
            }
            catch (CloneNotSupportedException e) {
                e.printStackTrace();
            }
        }
        return result;
    }

    /**
     * Sets the drawing supplier for this theme.
     *
     * @param supplier  the supplier (<code>null</code> not permitted).
     *
     * @see #getDrawingSupplier()
     */
    public void setDrawingSupplier(DrawingSupplier supplier) {
        if (supplier == null) {
            throw new IllegalArgumentException("Null 'supplier' argument.");
        }
        this.drawingSupplier = supplier;
    }

    /**
     * Applies this theme to the supplied chart.
     *
     * @param chart  the chart (<code>null</code> not permitted).
     */
    public void apply(JFreeChart chart) {
        if (chart == null) {
            throw new IllegalArgumentException("Null 'chart' argument.");
        }
        TextTitle title = chart.getTitle();
        if (title != null) {
            title.setFont(this.extraLargeFont);
            title.setPaint(this.titlePaint);
        }

        int subtitleCount = chart.getSubtitleCount();
        for (int i = 0; i < subtitleCount; i++) {
            applyToTitle(chart.getSubtitle(i));
        }

        chart.setBackgroundPaint(this.chartBackgroundPaint);

        // now process the plot if there is one
        Plot plot = chart.getPlot();
        if (plot != null) {
            applyToPlot(plot);
        }
    }

    /**
     * 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);
                }
            }
        }
    }

    /**
     * Applies the attributes of this theme to the specified container.
     *
     * @param bc  a block container (<code>null</code> not permitted).
     */
    protected void applyToBlockContainer(BlockContainer bc) {
        Iterator iterator = bc.getBlocks().iterator();
        while (iterator.hasNext()) {
            Block b = (Block) iterator.next();
            applyToBlock(b);
        }
    }

    /**
     * Applies the attributes of this theme to the specified block.
     *
     * @param b  the block.
     */
    protected void applyToBlock(Block b) {
        if (b instanceof Title) {
            applyToTitle((Title) b);
        }
        else if (b instanceof LabelBlock) {
            LabelBlock lb = (LabelBlock) b;
            lb.setFont(this.regularFont);
            lb.setPaint(this.legendItemPaint);
        }
    }

    /**
     * Applies the attributes of this theme to a plot.
     *
     * @param plot  the plot (<code>null</code>).
     */
    protected void applyToPlot(Plot plot) {
        if (plot == null) {
            throw new IllegalArgumentException("Null 'plot' argument.");
        }
        if (plot.getDrawingSupplier() != null) {
            plot.setDrawingSupplier(getDrawingSupplier());
        }
        if (plot.getBackgroundPaint() != null) {
            plot.setBackgroundPaint(this.plotBackgroundPaint);
        }
        plot.setOutlinePaint(this.plotOutlinePaint);

        // now handle specific plot types (and yes, I know this is some
        // really ugly code that has to be manually updated any time a new
        // plot type is added - I should have written something much cooler,
        // but I didn't and neither did anyone else).
        if (plot instanceof PiePlot) {
            applyToPiePlot((PiePlot) plot);
        }
        else if (plot instanceof MultiplePiePlot) {
            applyToMultiplePiePlot((MultiplePiePlot) plot);
        }
        else if (plot instanceof CategoryPlot) {
            applyToCategoryPlot((CategoryPlot) plot);
        }
        else if (plot instanceof XYPlot) {
            applyToXYPlot((XYPlot) plot);
        }
        else if (plot instanceof FastScatterPlot) {
            applyToFastScatterPlot((FastScatterPlot) plot);
        }
        else if (plot instanceof MeterPlot) {
            applyToMeterPlot((MeterPlot) plot);
        }
        else if (plot instanceof ThermometerPlot) {
            applyToThermometerPlot((ThermometerPlot) plot);
        }
        else if (plot instanceof SpiderWebPlot) {
            applyToSpiderWebPlot((SpiderWebPlot) plot);
        }
        else if (plot instanceof PolarPlot) {
            applyToPolarPlot((PolarPlot) plot);
        }
    }

    /**
     * Applies the attributes of this theme to a {@link PiePlot} instance.
     * This method also clears any set values for the section paint, outline
     * etc, so that the theme's {@link DrawingSupplier} will be used.
     *
     * @param plot  the plot (<code>null</code> not permitted).
     */
    protected void applyToPiePlot(PiePlot plot) {
        plot.setLabelLinkPaint(this.labelLinkPaint);
        plot.setLabelLinkStyle(this.labelLinkStyle);
        plot.setLabelFont(this.regularFont);

        // clear the section attributes so that the theme's DrawingSupplier
        // will be used
        if (plot.getAutoPopulateSectionPaint()) {
            plot.clearSectionPaints(false);
        }
        if (plot.getAutoPopulateSectionOutlinePaint()) {
            plot.clearSectionOutlinePaints(false);
        }
        if (plot.getAutoPopulateSectionOutlineStroke()) {
            plot.clearSectionOutlineStrokes(false);
        }
    }

    /**
     * Applies the attributes of this theme to a {@link MultiplePiePlot}.
     *
     * @param plot  the plot (<code>null</code> not permitted).
     */
    protected void applyToMultiplePiePlot(MultiplePiePlot plot) {
        apply(plot.getPieChart());
    }

    /**
     * Applies the attributes of this theme to a {@link CategoryPlot}.
     *
     * @param plot  the plot (<code>null</code> not permitted).
     */
    protected void applyToCategoryPlot(CategoryPlot plot) {
        plot.setAxisOffset(this.axisOffset);
        plot.setDomainGridlinePaint(this.domainGridlinePaint);
        plot.setRangeGridlinePaint(this.rangeGridlinePaint);

        // process all domain axes
        int domainAxisCount = plot.getDomainAxisCount();
        for (int i = 0; i < domainAxisCount; i++) {
            CategoryAxis axis = (CategoryAxis) plot.getDomainAxis(i);
            if (axis != null) {
                applyToCategoryAxis(axis);
            }
        }

        // process all range axes
        int rangeAxisCount = plot.getRangeAxisCount();
        for (int i = 0; i < rangeAxisCount; i++) {
            ValueAxis axis = (ValueAxis) plot.getRangeAxis(i);
            if (axis != null) {
                applyToValueAxis(axis);
            }
        }

        // process all renderers
        int rendererCount = plot.getRendererCount();
        for (int i = 0; i < rendererCount; i++) {
            CategoryItemRenderer r = plot.getRenderer(i);
            if (r != null) {
                applyToCategoryItemRenderer(r);
            }
        }

        if (plot instanceof CombinedDomainCategoryPlot) {
            CombinedDomainCategoryPlot cp = (CombinedDomainCategoryPlot) plot;
            Iterator iterator = cp.getSubplots().iterator();
            while (iterator.hasNext()) {
                CategoryPlot subplot = (CategoryPlot) iterator.next();
                if (subplot != null) {
                    applyToPlot(subplot);
                }
            }
        }
        if (plot instanceof CombinedRangeCategoryPlot) {
            CombinedRangeCategoryPlot cp = (CombinedRangeCategoryPlot) plot;
            Iterator iterator = cp.getSubplots().iterator();
            while (iterator.hasNext()) {
                CategoryPlot subplot = (CategoryPlot) iterator.next();
                if (subplot != null) {
                    applyToPlot(subplot);
                }
            }
        }
    }

    /**
     * Applies the attributes of this theme to a {@link XYPlot}.
     *
     * @param plot  the plot (<code>null</code> not permitted).
     */
    protected void applyToXYPlot(XYPlot plot) {
        plot.setAxisOffset(this.axisOffset);
        plot.setDomainGridlinePaint(this.domainGridlinePaint);
        plot.setRangeGridlinePaint(this.rangeGridlinePaint);
        plot.setDomainCrosshairPaint(this.crosshairPaint);
        plot.setRangeCrosshairPaint(this.crosshairPaint);
        // process all domain axes
        int domainAxisCount = plot.getDomainAxisCount();
        for (int i = 0; i < domainAxisCount; i++) {
            ValueAxis axis = (ValueAxis) plot.getDomainAxis(i);
            if (axis != null) {
                applyToValueAxis(axis);
            }
        }

        // process all range axes
        int rangeAxisCount = plot.getRangeAxisCount();
        for (int i = 0; i < rangeAxisCount; i++) {
            ValueAxis axis = (ValueAxis) plot.getRangeAxis(i);
            if (axis != null) {
                applyToValueAxis(axis);
            }
        }

        // process all renderers
        int rendererCount = plot.getRendererCount();
        for (int i = 0; i < rendererCount; i++) {
            XYItemRenderer r = plot.getRenderer(i);
            if (r != null) {
                applyToXYItemRenderer(r);
            }
        }

        // process all annotations
        Iterator iter = plot.getAnnotations().iterator();
        while (iter.hasNext()) {
            XYAnnotation a = (XYAnnotation) iter.next();
            applyToXYAnnotation(a);
        }

        if (plot instanceof CombinedDomainXYPlot) {
            CombinedDomainXYPlot cp = (CombinedDomainXYPlot) plot;
            Iterator iterator = cp.getSubplots().iterator();
            while (iterator.hasNext()) {
                XYPlot subplot = (XYPlot) iterator.next();
                if (subplot != null) {
                    applyToPlot(subplot);
                }
            }