categoryitemrenderer.java

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

    /**
     * Sets a flag that controls whether or not the item labels for ALL series 
     * are visible.
     * 
     * @param visible  the flag.
     */
    public void setItemLabelsVisible(boolean visible);

    /**
     * Sets a flag that controls whether or not the item labels for ALL series 
     * are visible.
     * 
     * @param visible  the flag (<code>null</code> permitted).
     */
    public void setItemLabelsVisible(Boolean visible);

    /**
     * Sets the visibility of item labels for ALL series and, if requested, 
     * sends a {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param visible  a flag that controls whether or not the item labels are
     *                 visible (<code>null</code> permitted).
     * @param notify  a flag that controls whether or not listeners are 
     *                notified.
     */
    public void setItemLabelsVisible(Boolean visible, boolean notify);

    /**
     * Sets a flag that controls the visibility of the item labels for a series.
     * 
     * @param series  the series index (zero-based).
     * @param visible  the flag.
     */
    public void setSeriesItemLabelsVisible(int series, boolean visible);
    
    /**
     * Sets a flag that controls the visibility of the item labels for a series.
     * 
     * @param series  the series index (zero-based).
     * @param visible  the flag (<code>null</code> permitted).
     */
    public void setSeriesItemLabelsVisible(int series, Boolean visible);
    
    /**
     * Sets the visibility of item labels for a series and, if requested, sends 
     * a {@link RendererChangeEvent} to all registered listeners.
     * 
     * @param series  the series index (zero-based).
     * @param visible  the visible flag.
     * @param notify  a flag that controls whether or not listeners are 
     *                notified.
     */
    public void setSeriesItemLabelsVisible(int series, Boolean visible, 
                                           boolean notify);
    
    /**
     * Returns the base setting for item label visibility.
     * 
     * @return A flag (possibly <code>null</code>).
     */
    public Boolean getBaseItemLabelsVisible();
    
    /**
     * Sets the base flag that controls whether or not item labels are visible.
     * 
     * @param visible  the flag.
     */
    public void setBaseItemLabelsVisible(boolean visible);
    
    /**
     * Sets the base setting for item label visibility.
     * 
     * @param visible  the flag (<code>null</code> permitted).
     */
    public void setBaseItemLabelsVisible(Boolean visible);
    
    /**
     * Sets the base visibility for item labels and, if requested, sends a 
     * {@link RendererChangeEvent} to all registered listeners.
     * 
     * @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 the specified data item.
     *
     * @param series  the series index (zero-based).
     * @param item  the item index (zero-based).
     *
     * @return The generator (possibly <code>null</code>).
     */
    public CategoryItemLabelGenerator getItemLabelGenerator(int series, 
            int item);

    /**
     * Returns the item label generator for a series.
     *
     * @param series  the series index (zero-based).
     *
     * @return The label generator (possibly <code>null</code>).
     */
    public CategoryItemLabelGenerator getSeriesItemLabelGenerator(int series);

    /**
     * Sets the item label generator for ALL series and sends a 
     * {@link RendererChangeEvent} to all registered listeners.  This overrides 
     * the per-series settings. 
     * 
     * @param generator  the generator (<code>null</code> permitted).
     */
    public void setItemLabelGenerator(CategoryItemLabelGenerator 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.
     */
    public void setSeriesItemLabelGenerator(
            int series, CategoryItemLabelGenerator generator);

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

    // TOOL TIP GENERATOR
    
    /**
     * Returns the tool tip generator that should be used for the specified 
     * item.  This method looks up the generator using the "three-layer" 
     * approach outlined in the general description of this interface.  
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     *
     * @return The generator (possibly <code>null</code>).
     */
    public CategoryToolTipGenerator getToolTipGenerator(int row, int column);

    /**
     * Returns the tool tip generator that will be used for ALL items in the 
     * dataset (the "layer 0" generator).
     * 
     * @return A tool tip generator (possibly <code>null</code>).
     */
    public CategoryToolTipGenerator getToolTipGenerator();

    /**
     * Sets the tool tip generator for ALL series and sends a 
     * {@link org.jfree.chart.event.RendererChangeEvent} to all registered 
     * listeners.
     * 
     * @param generator  the generator (<code>null</code> permitted).
     */
    public void setToolTipGenerator(CategoryToolTipGenerator generator);
    
    /**
     * Returns the tool tip generator for the specified series (a "layer 1" 
     * generator).
     *
     * @param series  the series index (zero-based).
     *
     * @return The tool tip generator (possibly <code>null</code>).
     */
    public CategoryToolTipGenerator getSeriesToolTipGenerator(int series);

    /**
     * Sets the tool tip generator for a series and sends a 
     * {@link org.jfree.chart.event.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, 
                                          CategoryToolTipGenerator generator);

    /**
     * Returns the base tool tip generator (the "layer 2" generator).
     *
     * @return The tool tip generator (possibly <code>null</code>).
     */
    public CategoryToolTipGenerator getBaseToolTipGenerator();

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

    //// 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>).
     */