pieplot.java

提供JFreechart图表功能, 提供JFreechart图表功能,提供JFreechart图表功能

    }
    
    /**
     * Sets the section label generator and sends a {@link PlotChangeEvent} to
     * all registered listeners.
     * 
     * @param generator  the generator (<code>null</code> permitted).
     * 
     * @see #getLabelGenerator()
     */
    public void setLabelGenerator(PieSectionLabelGenerator generator) {
        this.labelGenerator = generator;
        notifyListeners(new PlotChangeEvent(this));
    }
    
    /**
     * Returns the gap between the edge of the pie and the labels, expressed as 
     * a percentage of the plot width.
     * 
     * @return The gap (a percentage, where 0.05 = five percent).
     * 
     * @see #setLabelGap(double)
     */
    public double getLabelGap() {
        return this.labelGap;   
    }
    
    /**
     * Sets the gap between the edge of the pie and the labels (expressed as a 
     * percentage of the plot width) and sends a {@link PlotChangeEvent} to all
     * registered listeners.
     * 
     * @param gap  the gap (a percentage, where 0.05 = five percent).
     * 
     * @see #getLabelGap()
     */
    public void setLabelGap(double gap) {
        this.labelGap = gap;   
        notifyListeners(new PlotChangeEvent(this));
    }
    
    /**
     * Returns the maximum label width as a percentage of the plot width.
     * 
     * @return The width (a percentage, where 0.20 = 20 percent).
     * 
     * @see #setMaximumLabelWidth(double)
     */
    public double getMaximumLabelWidth() {
        return this.maximumLabelWidth;   
    }
    
    /**
     * Sets the maximum label width as a percentage of the plot width and sends
     * a {@link PlotChangeEvent} to all registered listeners.
     * 
     * @param width  the width (a percentage, where 0.20 = 20 percent).
     * 
     * @see #getMaximumLabelWidth()
     */
    public void setMaximumLabelWidth(double width) {
        this.maximumLabelWidth = width;
        notifyListeners(new PlotChangeEvent(this));
    }
    
    /**
     * Returns the flag that controls whether or not label linking lines are
     * visible.
     * 
     * @return A boolean.
     * 
     * @see #setLabelLinksVisible(boolean)
     */
    public boolean getLabelLinksVisible() {
        return this.labelLinksVisible;
    }
    
    /**
     * Sets the flag that controls whether or not label linking lines are 
     * visible and sends a {@link PlotChangeEvent} to all registered listeners.
     * Please take care when hiding the linking lines - depending on the data 
     * values, the labels can be displayed some distance away from the
     * corresponding pie section.
     * 
     * @param visible  the flag.
     * 
     * @see #getLabelLinksVisible()
     */
    public void setLabelLinksVisible(boolean visible) {
        this.labelLinksVisible = visible;
        notifyListeners(new PlotChangeEvent(this));
    }
    
    /**
     * Returns the margin (expressed as a percentage of the width or height) 
     * between the edge of the pie and the link point.
     * 
     * @return The link margin (as a percentage, where 0.05 is five percent).
     * 
     * @see #setLabelLinkMargin(double)
     */
    public double getLabelLinkMargin() {
        return this.labelLinkMargin;   
    }
    
    /**
     * Sets the link margin and sends a {@link PlotChangeEvent} to all 
     * registered listeners.
     * 
     * @param margin  the margin.
     * 
     * @see #getLabelLinkMargin()
     */
    public void setLabelLinkMargin(double margin) {
        this.labelLinkMargin = margin;
        notifyListeners(new PlotChangeEvent(this));
    }
    
    /**
     * Returns the paint used for the lines that connect pie sections to their 
     * corresponding labels.
     * 
     * @return The paint (never <code>null</code>).
     * 
     * @see #setLabelLinkPaint(Paint)
     */
    public Paint getLabelLinkPaint() {
        return this.labelLinkPaint;   
    }
    
    /**
     * Sets the paint used for the lines that connect pie sections to their 
     * corresponding labels, and sends a {@link PlotChangeEvent} to all 
     * registered listeners.
     * 
     * @param paint  the paint (<code>null</code> not permitted).
     * 
     * @see #getLabelLinkPaint()
     */
    public void setLabelLinkPaint(Paint paint) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.labelLinkPaint = paint;
        notifyListeners(new PlotChangeEvent(this));
    }
    
    /**
     * Returns the stroke used for the label linking lines.
     * 
     * @return The stroke.
     * 
     * @see #setLabelLinkStroke(Stroke)
     */
    public Stroke getLabelLinkStroke() {
        return this.labelLinkStroke;   
    }
    
    /**
     * Sets the link stroke and sends a {@link PlotChangeEvent} to all 
     * registered listeners.
     * 
     * @param stroke  the stroke.
     * 
     * @see #getLabelLinkStroke()
     */
    public void setLabelLinkStroke(Stroke stroke) {
        if (stroke == null) {
            throw new IllegalArgumentException("Null 'stroke' argument.");
        }
        this.labelLinkStroke = stroke;
        notifyListeners(new PlotChangeEvent(this));
    }
    
    /**
     * Returns the section label font.
     *
     * @return The font (never <code>null</code>).
     * 
     * @see #setLabelFont(Font)
     */
    public Font getLabelFont() {
        return this.labelFont;
    }

    /**
     * Sets the section label font and sends a {@link PlotChangeEvent} to all 
     * registered listeners.
     *
     * @param font  the font (<code>null</code> not permitted).
     * 
     * @see #getLabelFont()
     */
    public void setLabelFont(Font font) {
        if (font == null) {
            throw new IllegalArgumentException("Null 'font' argument.");
        }
        this.labelFont = font;
        notifyListeners(new PlotChangeEvent(this));
    }

    /**
     * Returns the section label paint.
     *
     * @return The paint (never <code>null</code>).
     * 
     * @see #setLabelPaint(Paint)
     */
    public Paint getLabelPaint() {
        return this.labelPaint;
    }

    /**
     * Sets the section label paint and sends a {@link PlotChangeEvent} to all 
     * registered listeners.
     *
     * @param paint  the paint (<code>null</code> not permitted).
     * 
     * @see #getLabelPaint()
     */
    public void setLabelPaint(Paint paint) {
        if (paint == null) {
            throw new IllegalArgumentException("Null 'paint' argument.");
        }
        this.labelPaint = paint;
        notifyListeners(new PlotChangeEvent(this));
    }

    /**
     * Returns the section label background paint.
     *
     * @return The paint (possibly <code>null</code>).
     * 
     * @see #setLabelBackgroundPaint(Paint)
     */
    public Paint getLabelBackgroundPaint() {
        return this.labelBackgroundPaint;
    }

    /**
     * Sets the section label background paint and sends a 
     * {@link PlotChangeEvent} to all registered listeners.
     *
     * @param paint  the paint (<code>null</code> permitted).
     * 
     * @see #getLabelBackgroundPaint()
     */
    public void setLabelBackgroundPaint(Paint paint) {
        this.labelBackgroundPaint = paint;
        notifyListeners(new PlotChangeEvent(this));
    }

    /**
     * Returns the section label outline paint.
     *
     * @return The paint (possibly <code>null</code>).
     * 
     * @see #setLabelOutlinePaint(Paint)
     */
    public Paint getLabelOutlinePaint() {
        return this.labelOutlinePaint;
    }

    /**
     * Sets the section label outline paint and sends a 
     * {@link PlotChangeEvent} to all registered listeners.
     *
     * @param paint  the paint (<code>null</code> permitted).
     * 
     * @see #getLabelOutlinePaint()
     */
    public void setLabelOutlinePaint(Paint paint) {
        this.labelOutlinePaint = paint;
        notifyListeners(new PlotChangeEvent(this));
    }

    /**
     * Returns the section label outline stroke.
     *
     * @return The stroke (possibly <code>null</code>).
     * 
     * @see #setLabelOutlineStroke(Stroke)
     */
    public Stroke getLabelOutlineStroke() {
        return this.labelOutlineStroke;
    }

    /**
     * Sets the section label outline stroke and sends a 
     * {@link PlotChangeEvent} to all registered listeners.
     *
     * @param stroke  the stroke (<code>null</code> permitted).
     * 
     * @see #getLabelOutlineStroke()
     */
    public void setLabelOutlineStroke(Stroke stroke) {
        this.labelOutlineStroke = stroke;
        notifyListeners(new PlotChangeEvent(this));
    }

    /**
     * Returns the section label shadow paint.
     *
     * @return The paint (possibly <code>null</code>).
     * 
     * @see #setLabelShadowPaint(Paint)
     */
    public Paint getLabelShadowPaint() {
        return this.labelShadowPaint;
    }

    /**
     * Sets the section label shadow paint and sends a {@link PlotChangeEvent}
     * to all registered listeners.
     *
     * @param paint  the paint (<code>null</code> permitted).
     * 
     * @see #getLabelShadowPaint()
     */
    public void setLabelShadowPaint(Paint paint) {
        this.labelShadowPaint = paint;
        notifyListeners(new PlotChangeEvent(this));
    }
    
    /**
     * Returns the label padding.
     * 
     * @return The label padding (never <code>null</code>).
     * 
     * @since 1.0.7
     * 
     * @see #setLabelPadding(RectangleInsets)
     */
    public RectangleInsets getLabelPadding() {
        return this.labelPadding;
    }
    
    /**
     * Sets the padding between each label and its outline and sends a 
     * {@link PlotChangeEvent} to all registered listeners.
     * 
     * @param padding  the padding (<code>null</code> not permitted).
     * 
     * @since 1.0.7
     * 
     * @see #getLabelPadding()
     */
    public void setLabelPadding(RectangleInsets padding) {
        if (padding == null) {
            throw new IllegalArgumentException("Null 'padding' argument.");
        }
        this.labelPadding = padding;
        notifyListeners(new PlotChangeEvent(this));
    }

    /**
     * Returns the flag that controls whether simple or extended labels are
     * displayed on the plot.
     * 
     * @return A boolean.
     * 
     * @since 1.0.7
     */
    public boolean getSimpleLabels() {
        return this.simpleLabels;
    }
    
    /**
     * Sets the flag that controls whether simple or extended labels are 
     * displayed on the plot, and sends a {@link PlotChangeEvent} to all 
     * registered listeners.
     * 
     * @param simple  the new flag value.
     * 
     * @since 1.0.7
     */
    public void setSimpleLabels(boolean simple) {
        this.simpleLabels = simple;
        notifyListeners(new PlotChangeEvent(this));
    }
    
    /**
     * Returns the offset used for the simple labels, if they are displayed.
     * 
     * @return Th