combinedrangexyplot.html

jfreechart1。0。2的api。

<FONT color="green">356</FONT>         */<a name="line.356"></a>
<FONT color="green">357</FONT>        public void draw(Graphics2D g2,<a name="line.357"></a>
<FONT color="green">358</FONT>                         Rectangle2D area,<a name="line.358"></a>
<FONT color="green">359</FONT>                         Point2D anchor,<a name="line.359"></a>
<FONT color="green">360</FONT>                         PlotState parentState,<a name="line.360"></a>
<FONT color="green">361</FONT>                         PlotRenderingInfo info) {<a name="line.361"></a>
<FONT color="green">362</FONT>            <a name="line.362"></a>
<FONT color="green">363</FONT>            // set up info collection...<a name="line.363"></a>
<FONT color="green">364</FONT>            if (info != null) {<a name="line.364"></a>
<FONT color="green">365</FONT>                info.setPlotArea(area);<a name="line.365"></a>
<FONT color="green">366</FONT>            }<a name="line.366"></a>
<FONT color="green">367</FONT>    <a name="line.367"></a>
<FONT color="green">368</FONT>            // adjust the drawing area for plot insets (if any)...<a name="line.368"></a>
<FONT color="green">369</FONT>            RectangleInsets insets = getInsets();<a name="line.369"></a>
<FONT color="green">370</FONT>            insets.trim(area);<a name="line.370"></a>
<FONT color="green">371</FONT>    <a name="line.371"></a>
<FONT color="green">372</FONT>            AxisSpace space = calculateAxisSpace(g2, area);<a name="line.372"></a>
<FONT color="green">373</FONT>            Rectangle2D dataArea = space.shrink(area, null);<a name="line.373"></a>
<FONT color="green">374</FONT>            //this.axisOffset.trim(dataArea);<a name="line.374"></a>
<FONT color="green">375</FONT>    <a name="line.375"></a>
<FONT color="green">376</FONT>            // set the width and height of non-shared axis of all sub-plots<a name="line.376"></a>
<FONT color="green">377</FONT>            setFixedDomainAxisSpaceForSubplots(space);<a name="line.377"></a>
<FONT color="green">378</FONT>    <a name="line.378"></a>
<FONT color="green">379</FONT>            // draw the shared axis<a name="line.379"></a>
<FONT color="green">380</FONT>            ValueAxis axis = getRangeAxis();<a name="line.380"></a>
<FONT color="green">381</FONT>            RectangleEdge edge = getRangeAxisEdge();<a name="line.381"></a>
<FONT color="green">382</FONT>            double cursor = RectangleEdge.coordinate(dataArea, edge);<a name="line.382"></a>
<FONT color="green">383</FONT>            AxisState axisState = axis.draw(g2, cursor, area, dataArea, edge, info);<a name="line.383"></a>
<FONT color="green">384</FONT>    <a name="line.384"></a>
<FONT color="green">385</FONT>            if (parentState == null) {<a name="line.385"></a>
<FONT color="green">386</FONT>                parentState = new PlotState();<a name="line.386"></a>
<FONT color="green">387</FONT>            }<a name="line.387"></a>
<FONT color="green">388</FONT>            parentState.getSharedAxisStates().put(axis, axisState);<a name="line.388"></a>
<FONT color="green">389</FONT>            <a name="line.389"></a>
<FONT color="green">390</FONT>            // draw all the charts<a name="line.390"></a>
<FONT color="green">391</FONT>            for (int i = 0; i &lt; this.subplots.size(); i++) {<a name="line.391"></a>
<FONT color="green">392</FONT>                XYPlot plot = (XYPlot) this.subplots.get(i);<a name="line.392"></a>
<FONT color="green">393</FONT>                PlotRenderingInfo subplotInfo = null;<a name="line.393"></a>
<FONT color="green">394</FONT>                if (info != null) {<a name="line.394"></a>
<FONT color="green">395</FONT>                    subplotInfo = new PlotRenderingInfo(info.getOwner());<a name="line.395"></a>
<FONT color="green">396</FONT>                    info.addSubplotInfo(subplotInfo);<a name="line.396"></a>
<FONT color="green">397</FONT>                }<a name="line.397"></a>
<FONT color="green">398</FONT>                plot.draw(<a name="line.398"></a>
<FONT color="green">399</FONT>                    g2, this.subplotAreas[i], anchor, parentState, subplotInfo<a name="line.399"></a>
<FONT color="green">400</FONT>                );<a name="line.400"></a>
<FONT color="green">401</FONT>            }<a name="line.401"></a>
<FONT color="green">402</FONT>    <a name="line.402"></a>
<FONT color="green">403</FONT>            if (info != null) {<a name="line.403"></a>
<FONT color="green">404</FONT>                info.setDataArea(dataArea);<a name="line.404"></a>
<FONT color="green">405</FONT>            }<a name="line.405"></a>
<FONT color="green">406</FONT>    <a name="line.406"></a>
<FONT color="green">407</FONT>        }<a name="line.407"></a>
<FONT color="green">408</FONT>    <a name="line.408"></a>
<FONT color="green">409</FONT>        /**<a name="line.409"></a>
<FONT color="green">410</FONT>         * Returns a collection of legend items for the plot.<a name="line.410"></a>
<FONT color="green">411</FONT>         *<a name="line.411"></a>
<FONT color="green">412</FONT>         * @return The legend items.<a name="line.412"></a>
<FONT color="green">413</FONT>         */<a name="line.413"></a>
<FONT color="green">414</FONT>        public LegendItemCollection getLegendItems() {<a name="line.414"></a>
<FONT color="green">415</FONT>            LegendItemCollection result = getFixedLegendItems();<a name="line.415"></a>
<FONT color="green">416</FONT>            if (result == null) {<a name="line.416"></a>
<FONT color="green">417</FONT>                result = new LegendItemCollection();<a name="line.417"></a>
<FONT color="green">418</FONT>            <a name="line.418"></a>
<FONT color="green">419</FONT>                if (this.subplots != null) {<a name="line.419"></a>
<FONT color="green">420</FONT>                    Iterator iterator = this.subplots.iterator();<a name="line.420"></a>
<FONT color="green">421</FONT>                    while (iterator.hasNext()) {<a name="line.421"></a>
<FONT color="green">422</FONT>                        XYPlot plot = (XYPlot) iterator.next();<a name="line.422"></a>
<FONT color="green">423</FONT>                        LegendItemCollection more = plot.getLegendItems();<a name="line.423"></a>
<FONT color="green">424</FONT>                        result.addAll(more);<a name="line.424"></a>
<FONT color="green">425</FONT>                    }<a name="line.425"></a>
<FONT color="green">426</FONT>                }<a name="line.426"></a>
<FONT color="green">427</FONT>            }<a name="line.427"></a>
<FONT color="green">428</FONT>            return result;<a name="line.428"></a>
<FONT color="green">429</FONT>        }<a name="line.429"></a>
<FONT color="green">430</FONT>    <a name="line.430"></a>
<FONT color="green">431</FONT>        /**<a name="line.431"></a>
<FONT color="green">432</FONT>         * Multiplies the range on the domain axis/axes by the specified factor.<a name="line.432"></a>
<FONT color="green">433</FONT>         *<a name="line.433"></a>
<FONT color="green">434</FONT>         * @param factor  the zoom factor.<a name="line.434"></a>
<FONT color="green">435</FONT>         * @param info  the plot rendering info.<a name="line.435"></a>
<FONT color="green">436</FONT>         * @param source  the source point.<a name="line.436"></a>
<FONT color="green">437</FONT>         */<a name="line.437"></a>
<FONT color="green">438</FONT>        public void zoomDomainAxes(double factor, PlotRenderingInfo info, <a name="line.438"></a>
<FONT color="green">439</FONT>                                   Point2D source) {<a name="line.439"></a>
<FONT color="green">440</FONT>            XYPlot subplot = findSubplot(info, source);<a name="line.440"></a>
<FONT color="green">441</FONT>            if (subplot != null) {<a name="line.441"></a>
<FONT color="green">442</FONT>                subplot.zoomDomainAxes(factor, info, source);<a name="line.442"></a>
<FONT color="green">443</FONT>            }<a name="line.443"></a>
<FONT color="green">444</FONT>        }<a name="line.444"></a>
<FONT color="green">445</FONT>    <a name="line.445"></a>
<FONT color="green">446</FONT>        /**<a name="line.446"></a>
<FONT color="green">447</FONT>         * Zooms in on the domain axes.<a name="line.447"></a>
<FONT color="green">448</FONT>         *<a name="line.448"></a>
<FONT color="green">449</FONT>         * @param lowerPercent  the lower bound.<a name="line.449"></a>
<FONT color="green">450</FONT>         * @param upperPercent  the upper bound.<a name="line.450"></a>
<FONT color="green">451</FONT>         * @param info  the plot rendering info.<a name="line.451"></a>
<FONT color="green">452</FONT>         * @param source  the source point.<a name="line.452"></a>
<FONT color="green">453</FONT>         */<a name="line.453"></a>
<FONT color="green">454</FONT>        public void zoomDomainAxes(double lowerPercent, double upperPercent, <a name="line.454"></a>
<FONT color="green">455</FONT>                                   PlotRenderingInfo info, Point2D source) {<a name="line.455"></a>
<FONT color="green">456</FONT>            XYPlot subplot = findSubplot(info, source);<a name="line.456"></a>
<FONT color="green">457</FONT>            if (subplot != null) {<a name="line.457"></a>
<FONT color="green">458</FONT>                subplot.zoomDomainAxes(lowerPercent, upperPercent, info, source);<a name="line.458"></a>
<FONT color="green">459</FONT>            }<a name="line.459"></a>
<FONT color="green">460</FONT>        }<a name="line.460"></a>
<FONT color="green">461</FONT>    <a name="line.461"></a>
<FONT color="green">462</FONT>        /**<a name="line.462"></a>
<FONT color="green">463</FONT>         * Returns the subplot (if any) that contains the (x, y) point (specified <a name="line.463"></a>
<FONT color="green">464</FONT>         * in Java2D space).<a name="line.464"></a>
<FONT color="green">465</FONT>         * <a name="line.465"></a>
<FONT color="green">466</FONT>         * @param info  the chart rendering info.<a name="line.466"></a>
<FONT color="green">467</FONT>         * @param source  the source point.<a name="line.467"></a>
<FONT color="green">468</FONT>         * <a name="line.468"></a>
<FONT color="green">469</FONT>         * @return A subplot (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 XYPlot findSubplot(PlotRenderingInfo info, Point2D source) {<a name="line.471"></a>
<FONT color="green">472</FONT>            XYPlot result = null;<a name="line.472"></a>
<FONT color="green">473</FONT>            int subplotIndex = info.getSubplotIndex(source);<a name="line.473"></a>
<FONT color="green">474</FONT>            if (subplotIndex &gt;= 0) {<a name="line.474"></a>
<FONT color="green">475</FONT>                result =  (XYPlot) this.subplots.get(subplotIndex);<a name="line.475"></a>
<FONT color="green">476</FONT>            }<a name="line.476"></a>
<FONT color="green">477</FONT>            return result;<a name="line.477"></a>
<FONT color="green">478</FONT>        }<a name="line.478"></a>
<FONT color="green">479</FONT>    <a name="line.479"></a>
<FONT color="green">480</FONT>        /**<a name="line.480"></a>
<FONT color="green">481</FONT>         * Sets the item renderer FOR ALL SUBPLOTS.  Registered listeners are <a name="line.481"></a>
<FONT color="green">482</FONT>         * notified that the plot has been modified.<a name="line.482"></a>
<FONT color="green">483</FONT>         * &lt;P&gt;<a name="line.483"></a>
<FONT color="green">484</FONT>         * Note: usually you will want to set the renderer independently for each <a name="line.484"></a>
<FONT color="green">485</FONT>         * subplot, which is NOT what this method does.<a name="line.485"></a>
<FONT color="green">486</FONT>         *<a name="line.486"></a>
<FONT color="green">487</FONT>         * @param renderer the new renderer.<a name="line.487"></a>
<FONT color="green">488</FONT>         */<a name="line.488"></a>
<FONT color="green">489</FONT>        public void setRenderer(XYItemRenderer renderer) {<a name="line.489"></a>
<FONT color="green">490</FONT>    <a name="line.490"></a>
<FONT color="green">491</FONT>            super.setRenderer(renderer);  // not strictly necessary, since the <a name="line.491"></a>
<FONT color="green">492</FONT>                                          // renderer set for the<a name="line.492"></a>
<FONT color="green">493</FONT>                                          // parent plot is not used<a name="line.493"></a>
<FONT color="green">494</FONT>    <a name="line.494"></a>
<FONT color="green">495</FONT>            Iterator iterator = this.subplots.iterator();<a name="line.495"></a>
<FONT color="green">496</FONT>            while (iterator.hasNext()) {<a name="line.496"></a>
<FONT color="green">497</FONT>                XYPlot plot = (XYPlot) iterator.next();<a name="line.497"></a>
<FONT color="green">498</FONT>                plot.setRenderer(renderer);<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>        }<a name="line.501"></a>
<FONT color="green">502</FONT>    <a name="line.502"></a>
<FONT color="green">503</FONT>        /**<a name="line.503"></a>
<FONT color="green">504</FONT>         * Sets the orientation for the plot (and all its subplots).<a name="line.504"></a>
<FONT color="green">505</FONT>         * <a name="line.505"></a>
<FONT color="green">506</FONT>         * @param orientation  the orientation.<a name="line.506"></a>
<FONT color="green">507</FONT>         */<a name="line.507"></a>
<FONT color="green">508</FONT>        public void setOrientation(PlotOrientation orientation) {<a name="line.508"></a>
<FONT color="green">509</FONT>    <a name="line.509"></a>
<FONT color="green">510</FONT>            super.setOrientation(orientation);<a name="line.510"></a>
<FONT color="green">511</FONT>    <a name="line.511"></a>
<FONT color="green">512</FONT>            Iterator iterator = this.subplots.iterator();<a name="line.512"></a>
<FONT color="green">513</FONT>            while (iterator.hasNext()) {<a name="line.513"></a>
<FONT color="green">514</FONT>                XYPlot plot = (XYPlot) iterator.next();<a name="line.514"></a>
<FONT color="green">515</FONT>                plot.setOrientation(orientation);<a name="line.515"></a>
<FONT color="green">516</FONT>            }<a name="line.516"></a>
<FONT color="green">517</FONT>    <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 range for the axis.  This is the combined range of all the <a name="line.521"></a>
<FONT color="green">522</FONT>         * subplots.<a name="line.522"></a>
<FONT color="green">523</FONT>         *<a name="line.523"></a>
<FONT color="green">524</FONT>         * @param axis  the axis.<a name="line.524"></a>
<FONT color="green">525</FONT>         *<a name="line.525"></a>
<FONT color="green">526</FONT>         * @return The range.<a name="line.526"></a>
<FONT color="green">527</FONT>         */<a name="line.527"></a>
<FONT color="green">528</FONT>        public Range getDataRange(ValueAxis axis) {<a name="line.528"></a>
<FONT color="green">529</FONT>    <a name="line.529"></a>
<FONT color="green">530</FONT>            Range result = null;<a name="line.530"></a>
<FONT color="green">531</FONT>            if (this.subplots != null) {<a name="line.531"></a>
<FONT color="green">532</FONT>                Iterator iterator = this.subplots.iterator();<a name="line.532"></a>
<FONT color="green">533</FONT>                while (iterator.hasNext()) {<a name="line.533"></a>
<FONT color="green">534</FONT>                    XYPlot subplot = (XYPlot) iterator.next();<a name="line.534"></a>