legenditem.java

来自「JfreeChart 常用图表例子」· Java 代码 · 共 555 行 · 第 1/2 页

                      Paint fillPaint, 
                      boolean shapeOutlineVisible,
                      Paint outlinePaint,
                      Stroke outlineStroke,
                      boolean lineVisible,
                      Shape line,
                      Stroke lineStroke,
                      Paint linePaint) {
        
        if (label == null) {
            throw new IllegalArgumentException("Null 'label' argument.");   
        }
        if (fillPaint == null) {
            throw new IllegalArgumentException("Null 'fillPaint' argument.");   
        }
        if (lineStroke == null) {
            throw new IllegalArgumentException("Null 'lineStroke' argument.");
        }
        if (outlinePaint == null) {
            throw new IllegalArgumentException("Null 'outlinePaint' argument.");
        }
        if (outlineStroke == null) {
            throw new IllegalArgumentException(
                "Null 'outlineStroke' argument."
            );   
        }
        this.label = label;
        this.description = description;
        this.shapeVisible = shapeVisible;
        this.shape = shape;
        this.shapeFilled = shapeFilled;
        this.fillPaint = fillPaint;
        this.shapeOutlineVisible = shapeOutlineVisible;
        this.outlinePaint = outlinePaint;
        this.outlineStroke = outlineStroke;
        this.lineVisible = lineVisible;
        this.line = line;
        this.lineStroke = lineStroke;
        this.linePaint = linePaint;
        this.toolTipText = toolTipText;
        this.urlText = urlText;
    }

    /**
     * Returns the label.
     *
     * @return The label (never <code>null</code>).
     */
    public String getLabel() {
        return this.label;
    }

    /**
     * Returns the description for the legend item.
     * 
     * @return The description.
     */
    public String getDescription() {
        return this.description;   
    }
    
    /**
     * Returns the tool tip text.
     * 
     * @return The tool tip text (possibly <code>null</code>).
     */
    public String getToolTipText() {
        return this.toolTipText;   
    }
    
    /**
     * Returns the URL text.
     * 
     * @return The URL text (possibly <code>null</code>).
     */
    public String getURLText() {
        return this.urlText; 
    }
    
    /**
     * Returns a flag that indicates whether or not the shape is visible.
     * 
     * @return A boolean.
     */
    public boolean isShapeVisible() {
        return this.shapeVisible;
    }
    
    /**
     * Returns the shape used to label the series represented by this legend 
     * item.
     *
     * @return The shape (never <code>null</code>).
     */
    public Shape getShape() {
        return this.shape;
    }
    
    /**
     * Returns a flag that controls whether or not the shape is filled.
     * 
     * @return A boolean.
     */
    public boolean isShapeFilled() {
        return this.shapeFilled;
    }

    /**
     * Returns the fill paint.
     *
     * @return The fill paint (never <code>null</code>).
     */
    public Paint getFillPaint() {
        return this.fillPaint;
    }

    /**
     * Returns the flag that controls whether or not the shape outline
     * is visible.
     * 
     * @return A boolean.
     */
    public boolean isShapeOutlineVisible() {
        return this.shapeOutlineVisible;
    }
    
    /**
     * Returns the line stroke for the series.
     *
     * @return The stroke (never <code>null</code>).
     */
    public Stroke getLineStroke() {
        return this.lineStroke;
    }
    
    /**
     * Returns the paint used for lines.
     * 
     * @return The paint.
     */
    public Paint getLinePaint() {
        return this.linePaint;
    }
    
    /**
     * Returns the outline paint.
     *
     * @return The outline paint (never <code>null</code>).
     */
    public Paint getOutlinePaint() {
        return this.outlinePaint;
    }

    /**
     * Returns the outline stroke.
     *
     * @return The outline stroke (never <code>null</code>).
     */
    public Stroke getOutlineStroke() {
        return this.outlineStroke;
    }
    
    /**
     * Returns a flag that indicates whether or not the line is visible.
     * 
     * @return A boolean.
     */
    public boolean isLineVisible() {
        return this.lineVisible;
    }
    
    /**
     * Returns the line.
     * 
     * @return The line.
     */
    public Shape getLine() {
        return this.line;
    }
    
    /**
     * Tests this item for equality with an arbitrary object.
     * 
     * @param obj  the object (<code>null</code> permitted).
     * 
     * @return A boolean.
     */
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;   
        }
        if (!(obj instanceof LegendItem)) {
                return false;
        }
        LegendItem that = (LegendItem) obj;
        if (!this.label.equals(that.label)) {
            return false;
        }
        if (!ObjectUtilities.equal(this.description, that.description)) {
            return false;
        }
        if (this.shapeVisible != that.shapeVisible) {
            return false;
        }
        if (!ShapeUtilities.equal(this.shape, that.shape)) {
            return false;
        }
        if (this.shapeFilled != that.shapeFilled) {
            return false;
        }
        if (!this.fillPaint.equals(that.fillPaint)) {
            return false;   
        }
        if (this.shapeOutlineVisible != that.shapeOutlineVisible) {
            return false;
        }
        if (!this.outlineStroke.equals(that.outlineStroke)) {
            return false;   
        }
        if (!this.outlinePaint.equals(that.outlinePaint)) {
            return false;   
        }
        if (!this.lineVisible == that.lineVisible) {
            return false;
        }
        if (!ShapeUtilities.equal(this.line, that.line)) {
            return false;
        }
        if (!this.lineStroke.equals(that.lineStroke)) {
            return false;   
        }
        if (!this.linePaint.equals(that.linePaint)) {
            return false;
        }
        return true;
    }
    
    /**
     * Provides serialization support.
     *
     * @param stream  the output stream (<code>null</code> not permitted).
     *
     * @throws IOException  if there is an I/O error.
     */
    private void writeObject(ObjectOutputStream stream) throws IOException {
        stream.defaultWriteObject();
        SerialUtilities.writeShape(this.shape, stream);
        SerialUtilities.writePaint(this.fillPaint, stream);
        SerialUtilities.writeStroke(this.outlineStroke, stream);
        SerialUtilities.writePaint(this.outlinePaint, stream);
        SerialUtilities.writeShape(this.line, stream);
        SerialUtilities.writeStroke(this.lineStroke, stream);
        SerialUtilities.writePaint(this.linePaint, stream);
    }

    /**
     * Provides serialization support.
     *
     * @param stream  the input stream (<code>null</code> not permitted).
     *
     * @throws IOException  if there is an I/O error.
     * @throws ClassNotFoundException  if there is a classpath problem.
     */
    private void readObject(ObjectInputStream stream) 
        throws IOException, ClassNotFoundException {
        stream.defaultReadObject();
        this.shape = SerialUtilities.readShape(stream);
        this.fillPaint = SerialUtilities.readPaint(stream);
        this.outlineStroke = SerialUtilities.readStroke(stream);
        this.outlinePaint = SerialUtilities.readPaint(stream);
        this.line = SerialUtilities.readShape(stream);
        this.lineStroke = SerialUtilities.readStroke(stream);
        this.linePaint = SerialUtilities.readPaint(stream);
    }
    
}