xyitemrenderer.java

制作图表的好工具

     * 
     * @param visible  the visibility flag.
     * @param notify  a flag that controls whether or not listeners are
     *                notified.
     */
    public void setBaseItemLabelsVisible(Boolean visible, boolean notify);

    // ITEM LABEL GENERATOR

    /**
     * Returns the item label generator for a data item.
     *
     * @param row  the row index (zero based).
     * @param column  the column index (zero based).
     *
     * @return The generator (possibly <code>null</code>).
     */
    public XYItemLabelGenerator getItemLabelGenerator(int row, int column);
    
    /**
     * Returns the item label generator for a series.
     *
     * @param series  the series index (zero based).
     *
     * @return The generator (possibly <code>null</code>).
     */
    public XYItemLabelGenerator getSeriesItemLabelGenerator(int series);

    /**
     * Sets the item label generator for ALL series and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     *
     * @param generator  the generator (<code>null</code> permitted).
     */
    public void setItemLabelGenerator(XYItemLabelGenerator generator);

    /**
     * Sets the item label generator for a series and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     *
     * @param series  the series index (zero based).
     * @param generator  the generator (<code>null</code> permitted).
     */
    public void setSeriesItemLabelGenerator(int series, 
                                            XYItemLabelGenerator generator);

    /**
     * Returns the base item label generator.
     *
     * @return The generator (possibly <code>null</code>).
     */
    public XYItemLabelGenerator getBaseItemLabelGenerator();

    /**
     * Sets the base item label generator and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     *
     * @param generator  the generator (<code>null</code> permitted).
     */
    public void setBaseItemLabelGenerator(XYItemLabelGenerator generator);

    // TOOL TIP GENERATOR

    /**
     * Returns the tool tip generator for a data item.
     *
     * @param row  the row index (zero based).
     * @param column  the column index (zero based).
     *
     * @return The generator (possibly <code>null</code>).
     */
    public XYToolTipGenerator getToolTipGenerator(int row, int column);
    
    /**
     * Returns the tool tip generator for a series.
     *
     * @param series  the series index (zero based).
     *
     * @return The generator (possibly <code>null</code>).
     */
    public XYToolTipGenerator getSeriesToolTipGenerator(int series);

    /**
     * Sets the tool tip generator for ALL series and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     *
     * @param generator  the generator (<code>null</code> permitted).
     */
    public void setToolTipGenerator(XYToolTipGenerator generator);

    /**
     * Sets the tool tip generator for a series and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     *
     * @param series  the series index (zero based).
     * @param generator  the generator (<code>null</code> permitted).
     */
    public void setSeriesToolTipGenerator(int series,               
                                          XYToolTipGenerator generator);

    /**
     * Returns the base tool tip generator.
     *
     * @return The generator (possibly <code>null</code>).
     */
    public XYToolTipGenerator getBaseToolTipGenerator();

    /**
     * Sets the base tool tip generator and sends a {@link RendererChangeEvent}
     * to all registered listeners.
     *
     * @param generator  the generator (<code>null</code> permitted).
     */
    public void setBaseToolTipGenerator(XYToolTipGenerator generator);

    // URL GENERATOR
    
    /**
     * Returns the URL generator for HTML image maps.
     *
     * @return The URL generator (possibly null).
     */
    public XYURLGenerator getURLGenerator();

    /**
     * Sets the URL generator for HTML image maps.
     *
     * @param urlGenerator the URL generator (null permitted).
     */
    public void setURLGenerator(XYURLGenerator urlGenerator);

    //// ITEM LABEL FONT ///////////////////////////////////////////////////////

    /**
     * Returns the font for an item label.
     * 
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     * 
     * @return The font (never <code>null</code>).
     */
    public Font getItemLabelFont(int row, int column);

    /**
     * Returns the font used for all item labels.  This may be 
     * <code>null</code>, in which case the per series font settings will apply.
     * 
     * @return The font (possibly <code>null</code>).
     */
    public Font getItemLabelFont();
    
    /**
     * Sets the item label font for ALL series and sends a 
     * {@link RendererChangeEvent} to all registered listeners.  You can set 
     * this to <code>null</code> if you prefer to set the font on a per series 
     * basis.
     * 
     * @param font  the font (<code>null</code> permitted).
     */
    public void setItemLabelFont(Font font);
    
    /**
     * Returns the font for all the item labels in a series.
     * 
     * @param series  the series index (zero-based).
     * 
     * @return The font (possibly <code>null</code>).
     */
    public Font getSeriesItemLabelFont(int series);

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

    /**
     * Returns the base item label font (this is used when no other font 
     * setting is available).
     * 
     * @return The font (<code>never</code> null).
     */
    public Font getBaseItemLabelFont();

    /**
     * Sets the base item label font and sends a {@link RendererChangeEvent} 
     * to all registered listeners.  
     * 
     * @param font  the font (<code>null</code> not permitted).
     */
    public void setBaseItemLabelFont(Font font);

    //// ITEM LABEL PAINT  /////////////////////////////////////////////////////

    /**
     * Returns the paint used to draw an item label.
     * 
     * @param row  the row index (zero based).
     * @param column  the column index (zero based).
     * 
     * @return The paint (never <code>null</code>).
     */
    public Paint getItemLabelPaint(int row, int column);
    
    /**
     * Returns the paint used for all item labels.  This may be 
     * <code>null</code>, in which case the per series paint settings will 
     * apply.
     * 
     * @return The paint (possibly <code>null</code>).
     */
    public Paint getItemLabelPaint();

    /**
     * Sets the item label paint for ALL series and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param paint  the paint (<code>null</code> permitted).
     */
    public void setItemLabelPaint(Paint paint);
    
    /**
     * Returns the paint used to draw the item labels for a series.
     * 
     * @param series  the series index (zero based).
     * 
     * @return The paint (possibly <code>null<code>).
     */
    public Paint getSeriesItemLabelPaint(int series);

    /**
     * Sets the item label paint for a series and sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param series  the series (zero based index).
     * @param paint  the paint (<code>null</code> permitted).
     */
    public void setSeriesItemLabelPaint(int series, Paint paint);
        
    /**
     * Returns the base item label paint.
     * 
     * @return The paint (never <code>null<code>).
     */
    public Paint getBaseItemLabelPaint();

    /**
     * Sets the base item label paint and sends a {@link RendererChangeEvent} 
     * to all registered listeners.
     * 
     * @param paint  the paint (<code>null</code> not permitted).
     */
    public void setBaseItemLabelPaint(Paint paint);
    
    // POSITIVE ITEM LABEL POSITION...

    /**
     * Returns the item label position for positive values.
     * 
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     * 
     * @return The item label position (never <code>null</code>).
     */
    public ItemLabelPosition getPositiveItemLabelPosition(int row, int column);

    /**
     * Returns the item label position for positive values in ALL series.
     * 
     * @return The item label position (possibly <code>null</code>).
     */
    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 (never <code>null</code>).
     */
    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 (never <code>null</code>).
     */
    public ItemLabelPosition getBasePositiveItemLabelPosition();

    /**
     * Sets the base positive item label position.
     * 
     * @param position  the position (<code>null</code> not permitted).
     */
    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 (<code>null</code> not permitted).
     * @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.
     *