xyplot.java

jfreechart-1.0.12.zip 可以用来作图

        }
        HashSet set = new HashSet();
        for (int i = 0; i < count; i++) {
            Object item = indices.get(i);
            if (!(item instanceof Integer)) {
                throw new IllegalArgumentException(
                        "Indices must be Integer instances.");
            }
            if (set.contains(item)) {
                throw new IllegalArgumentException("Indices must be unique.");
            }
            set.add(item);
        }
    }

    /**
     * Returns the number of renderer slots for this plot.
     *
     * @return The number of renderer slots.
     *
     * @since 1.0.11
     */
    public int getRendererCount() {
        return this.renderers.size();
    }

    /**
     * Returns the renderer for the primary dataset.
     *
     * @return The item renderer (possibly <code>null</code>).
     *
     * @see #setRenderer(XYItemRenderer)
     */
    public XYItemRenderer getRenderer() {
        return getRenderer(0);
    }

    /**
     * Returns the renderer for a dataset, or <code>null</code>.
     *
     * @param index  the renderer index.
     *
     * @return The renderer (possibly <code>null</code>).
     *
     * @see #setRenderer(int, XYItemRenderer)
     */
    public XYItemRenderer getRenderer(int index) {
        XYItemRenderer result = null;
        if (this.renderers.size() > index) {
            result = (XYItemRenderer) this.renderers.get(index);
        }
        return result;

    }

    /**
     * Sets the renderer for the primary dataset and sends a
     * {@link PlotChangeEvent} to all registered listeners.  If the renderer
     * is set to <code>null</code>, no data will be displayed.
     *
     * @param renderer  the renderer (<code>null</code> permitted).
     *
     * @see #getRenderer()
     */
    public void setRenderer(XYItemRenderer renderer) {
        setRenderer(0, renderer);
    }

    /**
     * Sets a renderer and sends a {@link PlotChangeEvent} to all
     * registered listeners.
     *
     * @param index  the index.
     * @param renderer  the renderer.
     *
     * @see #getRenderer(int)
     */
    public void setRenderer(int index, XYItemRenderer renderer) {
        setRenderer(index, renderer, true);
    }

    /**
     * Sets a renderer and sends a {@link PlotChangeEvent} to all
     * registered listeners.
     *
     * @param index  the index.
     * @param renderer  the renderer.
     * @param notify  notify listeners?
     *
     * @see #getRenderer(int)
     */
    public void setRenderer(int index, XYItemRenderer renderer,
                            boolean notify) {
        XYItemRenderer existing = getRenderer(index);
        if (existing != null) {
            existing.removeChangeListener(this);
        }
        this.renderers.set(index, renderer);
        if (renderer != null) {
            renderer.setPlot(this);
            renderer.addChangeListener(this);
        }
        configureDomainAxes();
        configureRangeAxes();
        if (notify) {
            fireChangeEvent();
        }
    }

    /**
     * Sets the renderers for this plot and sends a {@link PlotChangeEvent}
     * to all registered listeners.
     *
     * @param renderers  the renderers (<code>null</code> not permitted).
     */
    public void setRenderers(XYItemRenderer[] renderers) {
        for (int i = 0; i < renderers.length; i++) {
            setRenderer(i, renderers[i], false);
        }
        fireChangeEvent();
    }

    /**
     * Returns the dataset rendering order.
     *
     * @return The order (never <code>null</code>).
     *
     * @see #setDatasetRenderingOrder(DatasetRenderingOrder)
     */
    public DatasetRenderingOrder getDatasetRenderingOrder() {
        return this.datasetRenderingOrder;
    }

    /**
     * Sets the rendering order and sends a {@link PlotChangeEvent} to all
     * registered listeners.  By default, the plot renders the primary dataset
     * last (so that the primary dataset overlays the secondary datasets).
     * You can reverse this if you want to.
     *
     * @param order  the rendering order (<code>null</code> not permitted).
     *
     * @see #getDatasetRenderingOrder()
     */
    public void setDatasetRenderingOrder(DatasetRenderingOrder order) {
        if (order == null) {
            throw new IllegalArgumentException("Null 'order' argument.");
        }
        this.datasetRenderingOrder = order;
        fireChangeEvent();
    }

    /**
     * Returns the series rendering order.
     *
     * @return the order (never <code>null</code>).
     *
     * @see #setSeriesRenderingOrder(SeriesRenderingOrder)
     */
    public SeriesRenderingOrder getSeriesRenderingOrder() {
        return this.seriesRenderingOrder;
    }

    /**
     * Sets the series order and sends a {@link PlotChangeEvent} to all
     * registered listeners.  By default, the plot renders the primary series
     * last (so that the primary series appears to be on top).
     * You can reverse this if you want to.
     *
     * @param order  the rendering order (<code>null</code> not permitted).
     *
     * @see #getSeriesRenderingOrder()
     */
    public void setSeriesRenderingOrder(SeriesRenderingOrder order) {
        if (order == null) {
            throw new IllegalArgumentException("Null 'order' argument.");
        }
        this.seriesRenderingOrder = order;
        fireChangeEvent();
    }

    /**
     * Returns the index of the specified renderer, or <code>-1</code> if the
     * renderer is not assigned to this plot.
     *
     * @param renderer  the renderer (<code>null</code> permitted).
     *
     * @return The renderer index.
     */
    public int getIndexOf(XYItemRenderer renderer) {
        return this.renderers.indexOf(renderer);
    }

    /**
     * Returns the renderer for the specified dataset.  The code first
     * determines the index of the dataset, then checks if there is a
     * renderer with the same index (if not, the method returns renderer(0).
     *
     * @param dataset  the dataset (<code>null</code> permitted).
     *
     * @return The renderer (possibly <code>null</code>).
     */
    public XYItemRenderer getRendererForDataset(XYDataset dataset) {
        XYItemRenderer result = null;
        for (int i = 0; i < this.datasets.size(); i++) {
            if (this.datasets.get(i) == dataset) {
                result = (XYItemRenderer) this.renderers.get(i);
                if (result == null) {
                    result = getRenderer();
                }
                break;
            }
        }
        return result;
    }

    /**
     * Returns the weight for this plot when it is used as a subplot within a
     * combined plot.
     *
     * @return The weight.
     *
     * @see #setWeight(int)
     */
    public int getWeight() {
        return this.weight;
    }

    /**
     * Sets the weight for the plot and sends a {@link PlotChangeEvent} to all
     * registered listeners.
     *
     * @param weight  the weight.
     *
     * @see #getWeight()
     */
    public void setWeight(int weight) {
        this.weight = weight;
        fireChangeEvent();
    }

    /**
     * Returns <code>true</code> if the domain gridlines are visible, and
     * <code>false<code> otherwise.
     *
     * @return <code>true</code> or <code>false</code>.
     *
     * @see #setDomainGridlinesVisible(boolean)
     */
    public boolean isDomainGridlinesVisible() {
        return this.domainGridlinesVisible;
    }

    /**
     * Sets the flag that controls whether or not the domain grid-lines are
     * visible.
     * <p>
     * If the flag value is changed, a {@link PlotChangeEvent} is sent to all
     * registered listeners.
     *
     * @param visible  the new value of the flag.
     *
     * @see #isDomainGridlinesVisible()
     */
    public void setDomainGridlinesVisible(boolean visible) {
        if (this.domainGridlinesVisible != visible) {
            this.domainGridlinesVisible = visible;
            fireChangeEvent();
        }
    }

    /**
     * Returns <code>true</code> if the domain minor gridlines are visible, and
     * <code>false<code> otherwise.
     *
     * @return <code>true</code> or <code>false</code>.
     *
     * @see #setDomainMinorGridlinesVisible(boolean)
     *
     * @since 1.0.12
     */
    public boolean isDomainMinorGridlinesVisible() {
        return this.domainMinorGridlinesVisible;
    }

    /**
     * Sets the flag that controls whether or not the domain minor grid-lines
     * are visible.
     * <p>
     * If the flag value is changed, a {@link PlotChangeEvent} is sent to all
     * registered listeners.
     *
     * @param visible  the new value of the flag.
     *
     * @see #isDomainMinorGridlinesVisible()
     *
     * @since 1.0.12
     */
    public void setDomainMinorGridlinesVisible(boolean visible) {
        if (this.domainMinorGridlinesVisible != visible) {
            this.domainMinorGridlinesVisible = visible;
            fireChangeEvent();
        }
    }

    /**
     * Returns the stroke for the grid-lines (if any) plotted against the
     * domain axis.
     *
     * @return The stroke (never <code>null</code>).
     *
     * @see #setDomainGridlineStroke(Stroke)
     */
    public Stroke getDomainGridlineStroke() {
        return this.domainGridlineStroke;
    }

    /**
     * Sets the stroke for the grid lines plotted against the domain axis, and
     * sends a {@link PlotChangeEvent} to all registered listeners.
     *
     * @param stroke  the stroke (<code>null</code> not permitted).
     *
     * @throws IllegalArgumentException if <code>stroke</code> is
     *     <code>null</code>.
     *
     * @see #getDomainGridlineStroke()
     */
    public void setDomainGridlineStroke(Stroke stroke) {
        if (stroke == null) {
            throw new IllegalArgumentException("Null 'stroke' argument.");
        }
        this.domainGridlineStroke = stroke;
        fireChangeEvent();
    }

    /**
     * Returns the stroke for the minor grid-lines (if any) plotted against the
     * domain axis.
     *
     * @return The stroke (never <code>null</code>).
     *
     * @see #setDomainMinorGridlineStroke(Stroke)
     *
     * @since 1.0.12
     */

    public Stroke getDomainMinorGridlineStroke() {
        return this.domainMinorGridlineStroke;
    }

    /**
     * Sets the stroke for the minor grid lines plotted against the domain
     * axis, and sends a {@link PlotChangeEvent} to all registered listeners.
     *
     * @param stroke  the stroke (<code>null</code> not permitted).
     *
     * @throws IllegalArgumentException if <code>stroke</code> is
     *     <code>null</code>.
     *
     * @see #getDomainMinorGridlineStroke()
     *
     * @since 1.0.12
     */
    public void setDomainMinorGridlineStroke(Stroke stroke) {
        if (stroke == null) {
            throw new IllegalArgumentException("Null 'stroke' argument.");
        }
        this.domainMinorGridlineStroke = stroke;
        fireChangeEvent();
    }

    /**
     * Returns the paint for the grid lines (if any) plotted against the d