pieplot.html

jfreechart最新源代码

<FONT color="green">421</FONT>            if (dataset != null) {<a name="line.421"></a>
<FONT color="green">422</FONT>                dataset.addChangeListener(this);<a name="line.422"></a>
<FONT color="green">423</FONT>            }<a name="line.423"></a>
<FONT color="green">424</FONT>            this.pieIndex = 0;<a name="line.424"></a>
<FONT color="green">425</FONT>            <a name="line.425"></a>
<FONT color="green">426</FONT>            this.interiorGap = DEFAULT_INTERIOR_GAP;<a name="line.426"></a>
<FONT color="green">427</FONT>            this.circular = true;<a name="line.427"></a>
<FONT color="green">428</FONT>            this.startAngle = DEFAULT_START_ANGLE;<a name="line.428"></a>
<FONT color="green">429</FONT>            this.direction = Rotation.CLOCKWISE;<a name="line.429"></a>
<FONT color="green">430</FONT>            this.minimumArcAngleToDraw = DEFAULT_MINIMUM_ARC_ANGLE_TO_DRAW;<a name="line.430"></a>
<FONT color="green">431</FONT>            <a name="line.431"></a>
<FONT color="green">432</FONT>            this.sectionPaint = null;<a name="line.432"></a>
<FONT color="green">433</FONT>            this.sectionPaintList = new PaintList();<a name="line.433"></a>
<FONT color="green">434</FONT>            this.baseSectionPaint = null;<a name="line.434"></a>
<FONT color="green">435</FONT>    <a name="line.435"></a>
<FONT color="green">436</FONT>            this.sectionOutlinesVisible = true;<a name="line.436"></a>
<FONT color="green">437</FONT>            this.sectionOutlinePaint = null;<a name="line.437"></a>
<FONT color="green">438</FONT>            this.sectionOutlinePaintList = new PaintList();<a name="line.438"></a>
<FONT color="green">439</FONT>            this.baseSectionOutlinePaint = DEFAULT_OUTLINE_PAINT;<a name="line.439"></a>
<FONT color="green">440</FONT>    <a name="line.440"></a>
<FONT color="green">441</FONT>            this.sectionOutlineStroke = null;<a name="line.441"></a>
<FONT color="green">442</FONT>            this.sectionOutlineStrokeList = new StrokeList();<a name="line.442"></a>
<FONT color="green">443</FONT>            this.baseSectionOutlineStroke = DEFAULT_OUTLINE_STROKE;<a name="line.443"></a>
<FONT color="green">444</FONT>            <a name="line.444"></a>
<FONT color="green">445</FONT>            this.explodePercentages = new ObjectList();<a name="line.445"></a>
<FONT color="green">446</FONT>    <a name="line.446"></a>
<FONT color="green">447</FONT>            this.labelGenerator = new StandardPieSectionLabelGenerator();<a name="line.447"></a>
<FONT color="green">448</FONT>            this.labelFont = DEFAULT_LABEL_FONT;<a name="line.448"></a>
<FONT color="green">449</FONT>            this.labelPaint = DEFAULT_LABEL_PAINT;<a name="line.449"></a>
<FONT color="green">450</FONT>            this.labelBackgroundPaint = DEFAULT_LABEL_BACKGROUND_PAINT;<a name="line.450"></a>
<FONT color="green">451</FONT>            this.labelOutlinePaint = DEFAULT_LABEL_OUTLINE_PAINT;<a name="line.451"></a>
<FONT color="green">452</FONT>            this.labelOutlineStroke = DEFAULT_LABEL_OUTLINE_STROKE;<a name="line.452"></a>
<FONT color="green">453</FONT>            this.labelShadowPaint = DEFAULT_LABEL_SHADOW_PAINT;<a name="line.453"></a>
<FONT color="green">454</FONT>            this.labelLinksVisible = true;<a name="line.454"></a>
<FONT color="green">455</FONT>            <a name="line.455"></a>
<FONT color="green">456</FONT>            this.toolTipGenerator = null;<a name="line.456"></a>
<FONT color="green">457</FONT>            this.urlGenerator = null;<a name="line.457"></a>
<FONT color="green">458</FONT>            this.legendLabelGenerator = new StandardPieSectionLabelGenerator();<a name="line.458"></a>
<FONT color="green">459</FONT>            this.legendLabelToolTipGenerator = null;<a name="line.459"></a>
<FONT color="green">460</FONT>            this.legendItemShape = Plot.DEFAULT_LEGEND_ITEM_CIRCLE;<a name="line.460"></a>
<FONT color="green">461</FONT>            <a name="line.461"></a>
<FONT color="green">462</FONT>            this.ignoreNullValues = false;<a name="line.462"></a>
<FONT color="green">463</FONT>            this.ignoreZeroValues = false;<a name="line.463"></a>
<FONT color="green">464</FONT>        }<a name="line.464"></a>
<FONT color="green">465</FONT>    <a name="line.465"></a>
<FONT color="green">466</FONT>        /**<a name="line.466"></a>
<FONT color="green">467</FONT>         * Returns the dataset.<a name="line.467"></a>
<FONT color="green">468</FONT>         *<a name="line.468"></a>
<FONT color="green">469</FONT>         * @return The dataset (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.469"></a>
<FONT color="green">470</FONT>         */<a name="line.470"></a>
<FONT color="green">471</FONT>        public PieDataset getDataset() {<a name="line.471"></a>
<FONT color="green">472</FONT>            return this.dataset;<a name="line.472"></a>
<FONT color="green">473</FONT>        }<a name="line.473"></a>
<FONT color="green">474</FONT>    <a name="line.474"></a>
<FONT color="green">475</FONT>        /**<a name="line.475"></a>
<FONT color="green">476</FONT>         * Sets the dataset and sends a {@link DatasetChangeEvent} to 'this'.<a name="line.476"></a>
<FONT color="green">477</FONT>         *<a name="line.477"></a>
<FONT color="green">478</FONT>         * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.478"></a>
<FONT color="green">479</FONT>         */<a name="line.479"></a>
<FONT color="green">480</FONT>        public void setDataset(PieDataset dataset) {<a name="line.480"></a>
<FONT color="green">481</FONT>            // if there is an existing dataset, remove the plot from the list of <a name="line.481"></a>
<FONT color="green">482</FONT>            // change listeners...<a name="line.482"></a>
<FONT color="green">483</FONT>            PieDataset existing = this.dataset;<a name="line.483"></a>
<FONT color="green">484</FONT>            if (existing != null) {<a name="line.484"></a>
<FONT color="green">485</FONT>                existing.removeChangeListener(this);<a name="line.485"></a>
<FONT color="green">486</FONT>            }<a name="line.486"></a>
<FONT color="green">487</FONT>    <a name="line.487"></a>
<FONT color="green">488</FONT>            // set the new dataset, and register the chart as a change listener...<a name="line.488"></a>
<FONT color="green">489</FONT>            this.dataset = dataset;<a name="line.489"></a>
<FONT color="green">490</FONT>            if (dataset != null) {<a name="line.490"></a>
<FONT color="green">491</FONT>                setDatasetGroup(dataset.getGroup());<a name="line.491"></a>
<FONT color="green">492</FONT>                dataset.addChangeListener(this);<a name="line.492"></a>
<FONT color="green">493</FONT>            }<a name="line.493"></a>
<FONT color="green">494</FONT>    <a name="line.494"></a>
<FONT color="green">495</FONT>            // send a dataset change event to self...<a name="line.495"></a>
<FONT color="green">496</FONT>            DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);<a name="line.496"></a>
<FONT color="green">497</FONT>            datasetChanged(event);<a name="line.497"></a>
<FONT color="green">498</FONT>        }<a name="line.498"></a>
<FONT color="green">499</FONT>        <a name="line.499"></a>
<FONT color="green">500</FONT>        /**<a name="line.500"></a>
<FONT color="green">501</FONT>         * Returns the pie index (this is used by the {@link MultiplePiePlot} class<a name="line.501"></a>
<FONT color="green">502</FONT>         * to track subplots).<a name="line.502"></a>
<FONT color="green">503</FONT>         * <a name="line.503"></a>
<FONT color="green">504</FONT>         * @return The pie index.<a name="line.504"></a>
<FONT color="green">505</FONT>         */<a name="line.505"></a>
<FONT color="green">506</FONT>        public int getPieIndex() {<a name="line.506"></a>
<FONT color="green">507</FONT>            return this.pieIndex;<a name="line.507"></a>
<FONT color="green">508</FONT>        }<a name="line.508"></a>
<FONT color="green">509</FONT>        <a name="line.509"></a>
<FONT color="green">510</FONT>        /**<a name="line.510"></a>
<FONT color="green">511</FONT>         * Sets the pie index (this is used by the {@link MultiplePiePlot} class to <a name="line.511"></a>
<FONT color="green">512</FONT>         * track subplots).<a name="line.512"></a>
<FONT color="green">513</FONT>         * <a name="line.513"></a>
<FONT color="green">514</FONT>         * @param index  the index.<a name="line.514"></a>
<FONT color="green">515</FONT>         */<a name="line.515"></a>
<FONT color="green">516</FONT>        public void setPieIndex(int index) {<a name="line.516"></a>
<FONT color="green">517</FONT>            this.pieIndex = index;<a name="line.517"></a>
<FONT color="green">518</FONT>        }<a name="line.518"></a>
<FONT color="green">519</FONT>        <a name="line.519"></a>
<FONT color="green">520</FONT>        /**<a name="line.520"></a>
<FONT color="green">521</FONT>         * Returns the start angle for the first pie section.  This is measured in <a name="line.521"></a>
<FONT color="green">522</FONT>         * degrees starting from 3 o'clock and measuring anti-clockwise.<a name="line.522"></a>
<FONT color="green">523</FONT>         *<a name="line.523"></a>
<FONT color="green">524</FONT>         * @return The start angle.<a name="line.524"></a>
<FONT color="green">525</FONT>         */<a name="line.525"></a>
<FONT color="green">526</FONT>        public double getStartAngle() {<a name="line.526"></a>
<FONT color="green">527</FONT>            return this.startAngle;<a name="line.527"></a>
<FONT color="green">528</FONT>        }<a name="line.528"></a>
<FONT color="green">529</FONT>    <a name="line.529"></a>
<FONT color="green">530</FONT>        /**<a name="line.530"></a>
<FONT color="green">531</FONT>         * Sets the starting angle and sends a {@link PlotChangeEvent} to all <a name="line.531"></a>
<FONT color="green">532</FONT>         * registered listeners.  The initial default value is 90 degrees, which <a name="line.532"></a>
<FONT color="green">533</FONT>         * corresponds to 12 o'clock.  A value of zero corresponds to 3 o'clock...<a name="line.533"></a>
<FONT color="green">534</FONT>         * this is the encoding used by Java's Arc2D class.<a name="line.534"></a>
<FONT color="green">535</FONT>         *<a name="line.535"></a>
<FONT color="green">536</FONT>         * @param angle  the angle (in degrees).<a name="line.536"></a>
<FONT color="green">537</FONT>         */<a name="line.537"></a>
<FONT color="green">538</FONT>        public void setStartAngle(double angle) {<a name="line.538"></a>
<FONT color="green">539</FONT>            this.startAngle = angle;<a name="line.539"></a>
<FONT color="green">540</FONT>            notifyListeners(new PlotChangeEvent(this));<a name="line.540"></a>
<FONT color="green">541</FONT>        }<a name="line.541"></a>
<FONT color="green">542</FONT>    <a name="line.542"></a>
<FONT color="green">543</FONT>        /**<a name="line.543"></a>
<FONT color="green">544</FONT>         * Returns the direction in which the pie sections are drawn (clockwise or <a name="line.544"></a>
<FONT color="green">545</FONT>         * anti-clockwise).<a name="line.545"></a>
<FONT color="green">546</FONT>         *<a name="line.546"></a>
<FONT color="green">547</FONT>         * @return The direction (never &lt;code&gt;null&lt;/code&gt;).<a name="line.547"></a>
<FONT color="green">548</FONT>         */<a name="line.548"></a>
<FONT color="green">549</FONT>        public Rotation getDirection() {<a name="line.549"></a>
<FONT color="green">550</FONT>            return this.direction;<a name="line.550"></a>
<FONT color="green">551</FONT>        }<a name="line.551"></a>
<FONT color="green">552</FONT>    <a name="line.552"></a>
<FONT color="green">553</FONT>        /**<a name="line.553"></a>
<FONT color="green">554</FONT>         * Sets the direction in which the pie sections are drawn and sends a <a name="line.554"></a>
<FONT color="green">555</FONT>         * {@link PlotChangeEvent} to all registered listeners.<a name="line.555"></a>
<FONT color="green">556</FONT>         *<a name="line.556"></a>
<FONT color="green">557</FONT>         * @param direction  the direction (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.557"></a>
<FONT color="green">558</FONT>         */<a name="line.558"></a>
<FONT color="green">559</FONT>        public void setDirection(Rotation direction) {<a name="line.559"></a>
<FONT color="green">560</FONT>            if (direction == null) {<a name="line.560"></a>
<FONT color="green">561</FONT>                throw new IllegalArgumentException("Null 'direction' argument.");<a name="line.561"></a>