categoryplot.java

jfreechart-1.0.12.zip 可以用来作图

     * @param renderer  the renderer (<code>null</code> permitted).
     *
     * @see #getRenderer(int)
     * @see #setRenderer(int, CategoryItemRenderer, boolean)
     */
    public void setRenderer(int index, CategoryItemRenderer renderer) {
        setRenderer(index, renderer, true);
    }

    /**
     * Sets a renderer.  A {@link PlotChangeEvent} is sent to all registered
     * listeners.
     *
     * @param index  the index.
     * @param renderer  the renderer (<code>null</code> permitted).
     * @param notify  notify listeners?
     *
     * @see #getRenderer(int)
     */
    public void setRenderer(int index, CategoryItemRenderer renderer,
                            boolean notify) {

        // stop listening to the existing renderer...
        CategoryItemRenderer existing
            = (CategoryItemRenderer) this.renderers.get(index);
        if (existing != null) {
            existing.removeChangeListener(this);
        }

        // register the new renderer...
        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.
     */
    public void setRenderers(CategoryItemRenderer[] renderers) {
        for (int i = 0; i < renderers.length; i++) {
            setRenderer(i, renderers[i], false);
        }
        fireChangeEvent();
    }

    /**
     * Returns the renderer for the specified dataset.  If the dataset doesn't
     * belong to the plot, this method will return <code>null</code>.
     *
     * @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;
            }
        }
        return result;
    }

    /**
     * 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(CategoryItemRenderer renderer) {
        return this.renderers.indexOf(renderer);
    }

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

    /**
     * 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.renderingOrder = order;
        fireChangeEvent();
    }

    /**
     * Returns the order in which the columns are rendered.  The default value
     * is <code>SortOrder.ASCENDING</code>.
     *
     * @return The column rendering order (never <code>null</code).
     *
     * @see #setColumnRenderingOrder(SortOrder)
     */
    public SortOrder getColumnRenderingOrder() {
        return this.columnRenderingOrder;
    }

    /**
     * Sets the column order in which the items in each dataset should be
     * rendered and sends a {@link PlotChangeEvent} to all registered
     * listeners.  Note that this affects the order in which items are drawn,
     * NOT their position in the chart.
     *
     * @param order  the order (<code>null</code> not permitted).
     *
     * @see #getColumnRenderingOrder()
     * @see #setRowRenderingOrder(SortOrder)
     */
    public void setColumnRenderingOrder(SortOrder order) {
        if (order == null) {
            throw new IllegalArgumentException("Null 'order' argument.");
        }
        this.columnRenderingOrder = order;
        fireChangeEvent();
    }

    /**
     * Returns the order in which the rows should be rendered.  The default
     * value is <code>SortOrder.ASCENDING</code>.
     *
     * @return The order (never <code>null</code>).
     *
     * @see #setRowRenderingOrder(SortOrder)
     */
    public SortOrder getRowRenderingOrder() {
        return this.rowRenderingOrder;
    }

    /**
     * Sets the row order in which the items in each dataset should be
     * rendered and sends a {@link PlotChangeEvent} to all registered
     * listeners.  Note that this affects the order in which items are drawn,
     * NOT their position in the chart.
     *
     * @param order  the order (<code>null</code> not permitted).
     *
     * @see #getRowRenderingOrder()
     * @see #setColumnRenderingOrder(SortOrder)
     */
    public void setRowRenderingOrder(SortOrder order) {
        if (order == null) {
            throw new IllegalArgumentException("Null 'order' argument.");
        }
        this.rowRenderingOrder = order;
        fireChangeEvent();
    }

    /**
     * Returns the flag that controls whether the domain grid-lines are visible.
     *
     * @return The <code>true</code> or <code>false</code>.
     *
     * @see #setDomainGridlinesVisible(boolean)
     */
    public boolean isDomainGridlinesVisible() {
        return this.domainGridlinesVisible;
    }

    /**
     * Sets the flag that controls whether or not grid-lines are drawn against
     * the domain axis.
     * <p>
     * If the flag value changes, 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 the position used for the domain gridlines.
     *
     * @return The gridline position (never <code>null</code>).
     *
     * @see #setDomainGridlinePosition(CategoryAnchor)
     */
    public CategoryAnchor getDomainGridlinePosition() {
        return this.domainGridlinePosition;
    }

    /**
     * Sets the position used for the domain gridlines and sends a
     * {@link PlotChangeEvent} to all registered listeners.
     *
     * @param position  the position (<code>null</code> not permitted).
     *
     * @see #getDomainGridlinePosition()
     */
    public void setDomainGridlinePosition(CategoryAnchor position) {
        if (position == null) {
            throw new IllegalArgumentException("Null 'position' argument.");
        }
        this.domainGridlinePosition = position;
        fireChangeEvent();
    }

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

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

    /**
     * Returns the paint used to draw grid-lines against the domain axis.
     *
     * @return The paint (never <code>null</code>).
     *
     * @see #setDomainGridlinePaint(Paint)
     */
    public Paint getDomainGridlinePaint() {
        return this.domainGridlinePaint;
    }

    /**
     * Sets the paint used to draw the grid-lines (if any) against the domain
     * axis and sends a {@link PlotChangeEvent} to all registered listeners.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     *
     * @see #getDomainGridlinePaint()
     */
    public void setDomainGridlinePaint(Paint paint) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.domainGridlinePaint = paint;
        fireChangeEvent();
    }

    /**
     * Returns the flag that controls whether the range grid-lines are visible.
     *
     * @return The flag.
     *
     * @see #setRangeGridlinesVisible(boolean)
     */
    public boolean isRangeGridlinesVisible() {
        return this.rangeGridlinesVisible;
    }

    /**
     * Sets the flag that controls whether or not grid-lines are drawn against
     * the range axis.  If the flag changes value, a {@link PlotChangeEvent} is
     * sent to all registered listeners.
     *
     * @param visible  the new value of the flag.
     *
     * @see #isRangeGridlinesVisible()
     */
    public void setRangeGridlinesVisible(boolean visible) {
        if (this.rangeGridlinesVisible != visible) {
            this.rangeGridlinesVisible = visible;
            fireChangeEvent();
        }
    }

    /**
     * Returns the stroke used to draw the grid-lines against the range axis.
     *
     * @return The stroke (never <code>null</code>).
     *
     * @see #setRangeGridlineStroke(Stroke)
     */
    public Stroke getRangeGridlineStroke() {
        return this.rangeGridlineStroke;
    }

    /**
     * Sets the stroke used to draw the grid-lines against the range axis and
     * sends a {@link PlotChangeEvent} to all registered listeners.
     *
     * @param stroke  the stroke (<code>null</code> not permitted).
     *
     * @see #getRangeGridlineStroke()
     */
    public void setRangeGridlineStroke(Stroke stroke) {
        if (stroke == null) {
            throw new IllegalArgumentException("Null 'stroke' argument.");
        }
        this.rangeGridlineStroke = stroke;
        fireChangeEvent();
    }

    /**
     * Returns the paint used to draw the grid-lines against the range axis.
     *
     * @return The paint (never <code>null</code>).
     *
     * @see #setRangeGridlinePaint(Paint)
     */
    public Paint getRangeGridlinePaint() {
        return this.rangeGridlinePaint;
    }

    /**
     * Sets the paint used to draw the grid lines against the range axis and
     * sends a {@link PlotChangeEvent} to all registered listeners.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     *
     * @see #getRangeGridlinePaint()
     */
    public void setRangeGridlinePaint(Paint paint) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.rangeGridlinePaint = paint;
        fireChangeEvent();
    }

    /**
     * Returns the fixed legend items, if any.
     *
     * @return The legend items (possibly <code>null</code>).
     *
     * @see #setFixedLegendItems(LegendItemCollection)
     */
    public LegendItemCollection getFixedLegendItems() {
        return this.fixedLegendItems;
    }

    /**
     * Sets the fixed legend items for the plot.  Leave this set to
     * <code>null</code> if you prefer the legend items to be create