combineddomainxyplot.html

jfreechart1。0。2的api。

<FONT color="green">298</FONT>                }<a name="line.298"></a>
<FONT color="green">299</FONT>                i++;<a name="line.299"></a>
<FONT color="green">300</FONT>            }<a name="line.300"></a>
<FONT color="green">301</FONT>            if (position != -1) {<a name="line.301"></a>
<FONT color="green">302</FONT>                this.subplots.remove(position);<a name="line.302"></a>
<FONT color="green">303</FONT>                subplot.setParent(null);<a name="line.303"></a>
<FONT color="green">304</FONT>                subplot.removeChangeListener(this);<a name="line.304"></a>
<FONT color="green">305</FONT>                this.totalWeight -= subplot.getWeight();<a name="line.305"></a>
<FONT color="green">306</FONT>    <a name="line.306"></a>
<FONT color="green">307</FONT>                ValueAxis domain = getDomainAxis();<a name="line.307"></a>
<FONT color="green">308</FONT>                if (domain != null) {<a name="line.308"></a>
<FONT color="green">309</FONT>                    domain.configure();<a name="line.309"></a>
<FONT color="green">310</FONT>                }<a name="line.310"></a>
<FONT color="green">311</FONT>                notifyListeners(new PlotChangeEvent(this));<a name="line.311"></a>
<FONT color="green">312</FONT>            }<a name="line.312"></a>
<FONT color="green">313</FONT>        }<a name="line.313"></a>
<FONT color="green">314</FONT>    <a name="line.314"></a>
<FONT color="green">315</FONT>        /**<a name="line.315"></a>
<FONT color="green">316</FONT>         * Returns the list of subplots.<a name="line.316"></a>
<FONT color="green">317</FONT>         *<a name="line.317"></a>
<FONT color="green">318</FONT>         * @return An unmodifiable list of subplots.<a name="line.318"></a>
<FONT color="green">319</FONT>         */<a name="line.319"></a>
<FONT color="green">320</FONT>        public List getSubplots() {<a name="line.320"></a>
<FONT color="green">321</FONT>            return Collections.unmodifiableList(this.subplots);<a name="line.321"></a>
<FONT color="green">322</FONT>        }<a name="line.322"></a>
<FONT color="green">323</FONT>    <a name="line.323"></a>
<FONT color="green">324</FONT>        /**<a name="line.324"></a>
<FONT color="green">325</FONT>         * Calculates the axis space required.<a name="line.325"></a>
<FONT color="green">326</FONT>         * <a name="line.326"></a>
<FONT color="green">327</FONT>         * @param g2  the graphics device.<a name="line.327"></a>
<FONT color="green">328</FONT>         * @param plotArea  the plot area.<a name="line.328"></a>
<FONT color="green">329</FONT>         * <a name="line.329"></a>
<FONT color="green">330</FONT>         * @return The space.<a name="line.330"></a>
<FONT color="green">331</FONT>         */<a name="line.331"></a>
<FONT color="green">332</FONT>        protected AxisSpace calculateAxisSpace(Graphics2D g2, <a name="line.332"></a>
<FONT color="green">333</FONT>                                               Rectangle2D plotArea) {<a name="line.333"></a>
<FONT color="green">334</FONT>            <a name="line.334"></a>
<FONT color="green">335</FONT>            AxisSpace space = new AxisSpace();<a name="line.335"></a>
<FONT color="green">336</FONT>            PlotOrientation orientation = getOrientation();<a name="line.336"></a>
<FONT color="green">337</FONT>            <a name="line.337"></a>
<FONT color="green">338</FONT>            // work out the space required by the domain axis...<a name="line.338"></a>
<FONT color="green">339</FONT>            AxisSpace fixed = getFixedDomainAxisSpace();<a name="line.339"></a>
<FONT color="green">340</FONT>            if (fixed != null) {<a name="line.340"></a>
<FONT color="green">341</FONT>                if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.341"></a>
<FONT color="green">342</FONT>                    space.setLeft(fixed.getLeft());<a name="line.342"></a>
<FONT color="green">343</FONT>                    space.setRight(fixed.getRight());<a name="line.343"></a>
<FONT color="green">344</FONT>                }<a name="line.344"></a>
<FONT color="green">345</FONT>                else if (orientation == PlotOrientation.VERTICAL) {<a name="line.345"></a>
<FONT color="green">346</FONT>                    space.setTop(fixed.getTop());<a name="line.346"></a>
<FONT color="green">347</FONT>                    space.setBottom(fixed.getBottom());                <a name="line.347"></a>
<FONT color="green">348</FONT>                }<a name="line.348"></a>
<FONT color="green">349</FONT>            }<a name="line.349"></a>
<FONT color="green">350</FONT>            else {<a name="line.350"></a>
<FONT color="green">351</FONT>                ValueAxis xAxis = getDomainAxis();<a name="line.351"></a>
<FONT color="green">352</FONT>                RectangleEdge xEdge = Plot.resolveDomainAxisLocation(<a name="line.352"></a>
<FONT color="green">353</FONT>                    getDomainAxisLocation(), orientation<a name="line.353"></a>
<FONT color="green">354</FONT>                );<a name="line.354"></a>
<FONT color="green">355</FONT>                if (xAxis != null) {<a name="line.355"></a>
<FONT color="green">356</FONT>                    space = xAxis.reserveSpace(g2, this, plotArea, xEdge, space);<a name="line.356"></a>
<FONT color="green">357</FONT>                }<a name="line.357"></a>
<FONT color="green">358</FONT>            }<a name="line.358"></a>
<FONT color="green">359</FONT>            <a name="line.359"></a>
<FONT color="green">360</FONT>            Rectangle2D adjustedPlotArea = space.shrink(plotArea, null);<a name="line.360"></a>
<FONT color="green">361</FONT>            <a name="line.361"></a>
<FONT color="green">362</FONT>            // work out the maximum height or width of the non-shared axes...<a name="line.362"></a>
<FONT color="green">363</FONT>            int n = this.subplots.size();<a name="line.363"></a>
<FONT color="green">364</FONT>            this.subplotAreas = new Rectangle2D[n];<a name="line.364"></a>
<FONT color="green">365</FONT>            double x = adjustedPlotArea.getX();<a name="line.365"></a>
<FONT color="green">366</FONT>            double y = adjustedPlotArea.getY();<a name="line.366"></a>
<FONT color="green">367</FONT>            double usableSize = 0.0;<a name="line.367"></a>
<FONT color="green">368</FONT>            if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.368"></a>
<FONT color="green">369</FONT>                usableSize = adjustedPlotArea.getWidth() - this.gap * (n - 1);<a name="line.369"></a>
<FONT color="green">370</FONT>            }<a name="line.370"></a>
<FONT color="green">371</FONT>            else if (orientation == PlotOrientation.VERTICAL) {<a name="line.371"></a>
<FONT color="green">372</FONT>                usableSize = adjustedPlotArea.getHeight() - this.gap * (n - 1);<a name="line.372"></a>
<FONT color="green">373</FONT>            }<a name="line.373"></a>
<FONT color="green">374</FONT>    <a name="line.374"></a>
<FONT color="green">375</FONT>            for (int i = 0; i &lt; n; i++) {<a name="line.375"></a>
<FONT color="green">376</FONT>                XYPlot plot = (XYPlot) this.subplots.get(i);<a name="line.376"></a>
<FONT color="green">377</FONT>    <a name="line.377"></a>
<FONT color="green">378</FONT>                // calculate sub-plot area<a name="line.378"></a>
<FONT color="green">379</FONT>                if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.379"></a>
<FONT color="green">380</FONT>                    double w = usableSize * plot.getWeight() / this.totalWeight;<a name="line.380"></a>
<FONT color="green">381</FONT>                    this.subplotAreas[i] = new Rectangle2D.Double(<a name="line.381"></a>
<FONT color="green">382</FONT>                        x, y, w, adjustedPlotArea.getHeight()<a name="line.382"></a>
<FONT color="green">383</FONT>                    );<a name="line.383"></a>
<FONT color="green">384</FONT>                    x = x + w + this.gap;<a name="line.384"></a>
<FONT color="green">385</FONT>                }<a name="line.385"></a>
<FONT color="green">386</FONT>                else if (orientation == PlotOrientation.VERTICAL) {<a name="line.386"></a>
<FONT color="green">387</FONT>                    double h = usableSize * plot.getWeight() / this.totalWeight;<a name="line.387"></a>
<FONT color="green">388</FONT>                    this.subplotAreas[i] = new Rectangle2D.Double(<a name="line.388"></a>
<FONT color="green">389</FONT>                        x, y, adjustedPlotArea.getWidth(), h<a name="line.389"></a>
<FONT color="green">390</FONT>                    );<a name="line.390"></a>
<FONT color="green">391</FONT>                    y = y + h + this.gap;<a name="line.391"></a>
<FONT color="green">392</FONT>                }<a name="line.392"></a>
<FONT color="green">393</FONT>    <a name="line.393"></a>
<FONT color="green">394</FONT>                AxisSpace subSpace = plot.calculateRangeAxisSpace(<a name="line.394"></a>
<FONT color="green">395</FONT>                    g2, this.subplotAreas[i], null<a name="line.395"></a>
<FONT color="green">396</FONT>                );<a name="line.396"></a>
<FONT color="green">397</FONT>                space.ensureAtLeast(subSpace);<a name="line.397"></a>
<FONT color="green">398</FONT>    <a name="line.398"></a>
<FONT color="green">399</FONT>            }<a name="line.399"></a>
<FONT color="green">400</FONT>    <a name="line.400"></a>
<FONT color="green">401</FONT>            return space;<a name="line.401"></a>
<FONT color="green">402</FONT>        }<a name="line.402"></a>
<FONT color="green">403</FONT>        <a name="line.403"></a>
<FONT color="green">404</FONT>        /**<a name="line.404"></a>
<FONT color="green">405</FONT>         * Draws the plot within the specified area on a graphics device.<a name="line.405"></a>
<FONT color="green">406</FONT>         * <a name="line.406"></a>
<FONT color="green">407</FONT>         * @param g2  the graphics device.<a name="line.407"></a>
<FONT color="green">408</FONT>         * @param area  the plot area (in Java2D space).<a name="line.408"></a>
<FONT color="green">409</FONT>         * @param anchor  an anchor point in Java2D space (&lt;code&gt;null&lt;/code&gt; <a name="line.409"></a>
<FONT color="green">410</FONT>         *                permitted).<a name="line.410"></a>
<FONT color="green">411</FONT>         * @param parentState  the state from the parent plot, if there is one <a name="line.411"></a>
<FONT color="green">412</FONT>         *                     (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.412"></a>
<FONT color="green">413</FONT>         * @param info  collects chart drawing information (&lt;code&gt;null&lt;/code&gt; <a name="line.413"></a>
<FONT color="green">414</FONT>         *              permitted).<a name="line.414"></a>
<FONT color="green">415</FONT>         */<a name="line.415"></a>
<FONT color="green">416</FONT>        public void draw(Graphics2D g2,<a name="line.416"></a>
<FONT color="green">417</FONT>                         Rectangle2D area,<a name="line.417"></a>
<FONT color="green">418</FONT>                         Point2D anchor,<a name="line.418"></a>
<FONT color="green">419</FONT>                         PlotState parentState,<a name="line.419"></a>
<FONT color="green">420</FONT>                         PlotRenderingInfo info) {<a name="line.420"></a>
<FONT color="green">421</FONT>            <a name="line.421"></a>
<FONT color="green">422</FONT>            // set up info collection...<a name="line.422"></a>
<FONT color="green">423</FONT>            if (info != null) {<a name="line.423"></a>
<FONT color="green">424</FONT>                info.setPlotArea(area);<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>            // adjust the drawing area for plot insets (if any)...<a name="line.427"></a>
<FONT color="green">428</FONT>            RectangleInsets insets = getInsets();<a name="line.428"></a>
<FONT color="green">429</FONT>            insets.trim(area);<a name="line.429"></a>
<FONT color="green">430</FONT>    <a name="line.430"></a>
<FONT color="green">431</FONT>            AxisSpace space = calculateAxisSpace(g2, area);<a name="line.431"></a>
<FONT color="green">432</FONT>            Rectangle2D dataArea = space.shrink(area, null);<a name="line.432"></a>
<FONT color="green">433</FONT>    <a name="line.433"></a>
<FONT color="green">434</FONT>            // set the width and height of non-shared axis of all sub-plots<a name="line.434"></a>
<FONT color="green">435</FONT>            setFixedRangeAxisSpaceForSubplots(space);<a name="line.435"></a>
<FONT color="green">436</FONT>    <a name="line.436"></a>
<FONT color="green">437</FONT>            // draw the shared axis<a name="line.437"></a>
<FONT color="green">438</FONT>            ValueAxis axis = getDomainAxis();<a name="line.438"></a>
<FONT color="green">439</FONT>            RectangleEdge edge = getDomainAxisEdge();<a name="line.439"></a>
<FONT color="green">440</FONT>            double cursor = RectangleEdge.coordinate(dataArea, edge);<a name="line.440"></a>
<FONT color="green">441</FONT>            AxisState axisState = axis.draw(g2, cursor, area, dataArea, edge, info);<a name="line.441"></a>
<FONT color="green">442</FONT>            if (parentState == null) {<a name="line.442"></a>
<FONT color="green">443</FONT>                parentState = new PlotState();<a name="line.443"></a>
<FONT color="green">444</FONT>            }<a name="line.444"></a>
<FONT color="green">445</FONT>            parentState.getSharedAxisStates().put(axis, axisState);<a name="line.445"></a>
<FONT color="green">446</FONT>            <a name="line.446"></a>
<FONT color="green">447</FONT>            // draw all the subplots<a name="line.447"></a>