categoryitemrenderer.java

来自「JfreeChart 常用图表例子」· Java 代码 · 共 1,409 行 · 第 1/4 页

    public ItemLabelPosition getPositiveItemLabelPosition();

    /**
     * Sets the item label position for positive values in ALL series, and 
     * sends a {@link RendererChangeEvent} to all registered listeners.  You 
     * need to set this to <code>null</code> to expose the settings for 
     * individual series.
     * 
     * @param position  the position (<code>null</code> permitted).
     */
    public void setPositiveItemLabelPosition(ItemLabelPosition position);
    
    /**
     * Sets the positive item label position for ALL series and (if requested) 
     * sends a {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param position  the position (<code>null</code> permitted).
     * @param notify  notify registered listeners?
     */
    public void setPositiveItemLabelPosition(ItemLabelPosition position, 
                                             boolean notify);

    /**
     * Returns the item label position for all positive values in a series.
     * 
     * @param series  the series index (zero-based).
     * 
     * @return The item label position.
     */
    public ItemLabelPosition getSeriesPositiveItemLabelPosition(int series);
    
    /**
     * Sets the item label position for all positive values in a series and 
     * sends a {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param series  the series index (zero-based).
     * @param position  the position (<code>null</code> permitted).
     */
    public void setSeriesPositiveItemLabelPosition(int series, 
                                                   ItemLabelPosition position);

    /**
     * Sets the item label position for all positive values in a series and (if
     * requested) sends a {@link RendererChangeEvent} to all registered 
     * listeners.
     * 
     * @param series  the series index (zero-based).
     * @param position  the position (<code>null</code> permitted).
     * @param notify  notify registered listeners?
     */
    public void setSeriesPositiveItemLabelPosition(int series, 
                                                   ItemLabelPosition position, 
        boolean notify);

    /**
     * Returns the base positive item label position.
     * 
     * @return The position.
     */
    public ItemLabelPosition getBasePositiveItemLabelPosition();

    /**
     * Sets the base positive item label position.
     * 
     * @param position  the position.
     */
    public void setBasePositiveItemLabelPosition(ItemLabelPosition position);
    
    /**
     * Sets the base positive item label position and, if requested, sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param position  the position.
     * @param notify  notify registered listeners?
     */
    public void setBasePositiveItemLabelPosition(ItemLabelPosition position, 
                                                 boolean notify);
    
    
    // NEGATIVE ITEM LABEL POSITION...

    /**
     * Returns the item label position for negative values.  This method can be
     * overridden to provide customisation of the item label position for 
     * individual data items.
     * 
     * @param row  the row index (zero-based).
     * @param column  the column (zero-based).
     * 
     * @return The item label position.
     */
    public ItemLabelPosition getNegativeItemLabelPosition(int row, int column);

    /**
     * Returns the item label position for negative values in ALL series.
     * 
     * @return The item label position (possibly <code>null</code>).
     */
    public ItemLabelPosition getNegativeItemLabelPosition();

    /**
     * Sets the item label position for negative values in ALL series, and 
     * sends a {@link RendererChangeEvent} to all registered listeners.  You 
     * need to set this to <code>null</code> to expose the settings for 
     * individual series.
     * 
     * @param position  the position (<code>null</code> permitted).
     */
    public void setNegativeItemLabelPosition(ItemLabelPosition position);
    
    /**
     * Sets the item label position for negative values in ALL series and (if 
     * requested) sends a {@link RendererChangeEvent} to all registered 
     * listeners.  
     * 
     * @param position  the position (<code>null</code> permitted).
     * @param notify  notify registered listeners?
     */
    public void setNegativeItemLabelPosition(ItemLabelPosition position, 
                                             boolean notify);

    /**
     * Returns the item label position for all negative values in a series.
     * 
     * @param series  the series index (zero-based).
     * 
     * @return The item label position.
     */
    public ItemLabelPosition getSeriesNegativeItemLabelPosition(int series);

    /**
     * Sets the item label position for negative values in a series and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param series  the series index (zero-based).
     * @param position  the position (<code>null</code> permitted).
     */
    public void setSeriesNegativeItemLabelPosition(int series, 
                                                   ItemLabelPosition position);

    /**
     * Sets the item label position for negative values in a series and (if 
     * requested) sends a {@link RendererChangeEvent} to all registered 
     * listeners.
     * 
     * @param series  the series index (zero-based).
     * @param position  the position (<code>null</code> permitted).
     * @param notify  notify registered listeners?
     */
    public void setSeriesNegativeItemLabelPosition(int series, 
                                                   ItemLabelPosition position, 
                                                   boolean notify);

    /**
     * Returns the base item label position for negative values.
     * 
     * @return The position.
     */
    public ItemLabelPosition getBaseNegativeItemLabelPosition();

    /**
     * Sets the base item label position for negative values and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param position  the position.
     */
    public void setBaseNegativeItemLabelPosition(ItemLabelPosition position);
    
    /**
     * Sets the base negative item label position and, if requested, sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param position  the position.
     * @param notify  notify registered listeners?
     */
    public void setBaseNegativeItemLabelPosition(ItemLabelPosition position, 
                                                 boolean notify);
    
    // ITEM URL GENERATOR
    
    /**
     * Returns the URL generator for an item.
     *
     * @param series  the series index (zero-based).
     * @param item  the item index (zero-based).
     *
     * @return The item URL generator.
     */
    public CategoryURLGenerator getItemURLGenerator(int series, int item);

    /**
     * Returns the item URL generator for a series.
     *
     * @param series  the series index (zero-based).
     *
     * @return The URL generator.
     */
    public CategoryURLGenerator getSeriesItemURLGenerator(int series);

    /**
     * Sets the item URL generator for ALL series. 
     * 
     * @param generator  the generator.
     */
    public void setItemURLGenerator(CategoryURLGenerator generator);
    
    /**
     * Sets the item URL generator for a series.
     *
     * @param series  the series index (zero-based).
     * @param generator  the generator.
     */
    public void setSeriesItemURLGenerator(int series, 
                                          CategoryURLGenerator generator);

    /**
     * Returns the base item URL generator.
     *
     * @return The item URL generator.
     */
    public CategoryURLGenerator getBaseItemURLGenerator();

    /**
     * Sets the base item URL generator.
     *
     * @param generator  the item URL generator.
     */
    public void setBaseItemURLGenerator(CategoryURLGenerator generator);

    /**
     * Returns a legend item for a series.
     *
     * @param datasetIndex  the dataset index (zero-based).
     * @param series  the series (zero-based index).
     *
     * @return The legend item (possibly <code>null</code>).
     */
    public LegendItem getLegendItem(int datasetIndex, int series);

    /**
     * Draws a background for the data area.
     *
     * @param g2  the graphics device.
     * @param plot  the plot.
     * @param dataArea  the data area.
     */
    public void drawBackground(Graphics2D g2,
                               CategoryPlot plot,
                               Rectangle2D dataArea);

    /**
     * Draws an outline for the data area.
     *
     * @param g2  the graphics device.
     * @param plot  the plot.
     * @param dataArea  the data area.
     */
    public void drawOutline(Graphics2D g2,
                            CategoryPlot plot,
                            Rectangle2D dataArea);

    /**
     * Draws a single data item.
     *
     * @param g2  the graphics device.
     * @param state  state information for one chart.
     * @param dataArea  the data plot area.
     * @param plot  the plot.
     * @param domainAxis  the domain axis.
     * @param rangeAxis  the range axis.
     * @param dataset  the data.
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     * @param pass  the pass index.
     */
    public void drawItem(Graphics2D g2,
                         CategoryItemRendererState state,
                         Rectangle2D dataArea,
                         CategoryPlot plot,
                         CategoryAxis domainAxis,
                         ValueAxis rangeAxis,
                         CategoryDataset dataset,
                         int row,
                         int column,
                         int pass);

    /**
     * Draws a grid line against the domain axis.
     *
     * @param g2  the graphics device.
     * @param plot  the plot.
     * @param dataArea  the area for plotting data (not yet adjusted for any 
     *                  3D effect).
     * @param value  the value.
     */
    public void drawDomainGridline(Graphics2D g2,
                                   CategoryPlot plot,
                                   Rectangle2D dataArea,
                                   double value);

    /**
     * Draws a grid line against the range axis.
     *
     * @param g2  the graphics device.
     * @param plot  the plot.
     * @param axis  the value axis.
     * @param dataArea  the area for plotting data (not yet adjusted for any 
     *                  3D effect).
     * @param value  the value.
     */
    public void drawRangeGridline(Graphics2D g2,
                                  CategoryPlot plot,
                                  ValueAxis axis,
                                  Rectangle2D dataArea,
                                  double value);

    /**
     * Draws a line (or some other marker) to indicate a particular category on 
     * the domain axis.
     *
     * @param g2  the graphics device.
     * @param plot  the plot.
     * @param axis  the category axis.
     * @param marker  the marker.
     * @param dataArea  the area for plotting data (not including 3D effect).
     */
    public void drawDomainMarker(Graphics2D g2,
                                 CategoryPlot plot,
                                 CategoryAxis axis,
                                 CategoryMarker marker,
                                 Rectangle2D dataArea);

    /**
     * Draws a line (or some other marker) to indicate a particular value on 
     * the range axis.
     *
     * @param g2  the graphics device.
     * @param plot  the plot.
     * @param axis  the value axis.
     * @param marker  the marker.
     * @param dataArea  the area for plotting data (not including 3D effect).
     */
    public void drawRangeMarker(Graphics2D g2,
                                CategoryPlot plot,
                                ValueAxis axis,
                                Marker marker,
                                Rectangle2D dataArea);

}