combineddomainxyplot.html

jfreechart1。0。2的api。

<FONT color="green">448</FONT>            for (int i = 0; i &lt; this.subplots.size(); i++) {<a name="line.448"></a>
<FONT color="green">449</FONT>                XYPlot plot = (XYPlot) this.subplots.get(i);<a name="line.449"></a>
<FONT color="green">450</FONT>                PlotRenderingInfo subplotInfo = null;<a name="line.450"></a>
<FONT color="green">451</FONT>                if (info != null) {<a name="line.451"></a>
<FONT color="green">452</FONT>                    subplotInfo = new PlotRenderingInfo(info.getOwner());<a name="line.452"></a>
<FONT color="green">453</FONT>                    info.addSubplotInfo(subplotInfo);<a name="line.453"></a>
<FONT color="green">454</FONT>                }<a name="line.454"></a>
<FONT color="green">455</FONT>                plot.draw(<a name="line.455"></a>
<FONT color="green">456</FONT>                    g2, this.subplotAreas[i], anchor, parentState, subplotInfo<a name="line.456"></a>
<FONT color="green">457</FONT>                );<a name="line.457"></a>
<FONT color="green">458</FONT>            }<a name="line.458"></a>
<FONT color="green">459</FONT>    <a name="line.459"></a>
<FONT color="green">460</FONT>            if (info != null) {<a name="line.460"></a>
<FONT color="green">461</FONT>                info.setDataArea(dataArea);<a name="line.461"></a>
<FONT color="green">462</FONT>            }<a name="line.462"></a>
<FONT color="green">463</FONT>            <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 a collection of legend items for the plot.<a name="line.467"></a>
<FONT color="green">468</FONT>         *<a name="line.468"></a>
<FONT color="green">469</FONT>         * @return The legend items.<a name="line.469"></a>
<FONT color="green">470</FONT>         */<a name="line.470"></a>
<FONT color="green">471</FONT>        public LegendItemCollection getLegendItems() {        <a name="line.471"></a>
<FONT color="green">472</FONT>            LegendItemCollection result = getFixedLegendItems();<a name="line.472"></a>
<FONT color="green">473</FONT>            if (result == null) {<a name="line.473"></a>
<FONT color="green">474</FONT>                result = new LegendItemCollection();<a name="line.474"></a>
<FONT color="green">475</FONT>                if (this.subplots != null) {<a name="line.475"></a>
<FONT color="green">476</FONT>                    Iterator iterator = this.subplots.iterator();<a name="line.476"></a>
<FONT color="green">477</FONT>                    while (iterator.hasNext()) {<a name="line.477"></a>
<FONT color="green">478</FONT>                        XYPlot plot = (XYPlot) iterator.next();<a name="line.478"></a>
<FONT color="green">479</FONT>                        LegendItemCollection more = plot.getLegendItems();<a name="line.479"></a>
<FONT color="green">480</FONT>                        result.addAll(more);<a name="line.480"></a>
<FONT color="green">481</FONT>                    }<a name="line.481"></a>
<FONT color="green">482</FONT>                }<a name="line.482"></a>
<FONT color="green">483</FONT>            }<a name="line.483"></a>
<FONT color="green">484</FONT>            return result;<a name="line.484"></a>
<FONT color="green">485</FONT>        }<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>         * Multiplies the range on the range axis/axes by the specified factor.<a name="line.488"></a>
<FONT color="green">489</FONT>         *<a name="line.489"></a>
<FONT color="green">490</FONT>         * @param factor  the zoom factor.<a name="line.490"></a>
<FONT color="green">491</FONT>         * @param info  the plot rendering info.<a name="line.491"></a>
<FONT color="green">492</FONT>         * @param source  the source point.<a name="line.492"></a>
<FONT color="green">493</FONT>         */<a name="line.493"></a>
<FONT color="green">494</FONT>        public void zoomRangeAxes(double factor, PlotRenderingInfo info, <a name="line.494"></a>
<FONT color="green">495</FONT>                                  Point2D source) {<a name="line.495"></a>
<FONT color="green">496</FONT>            XYPlot subplot = findSubplot(info, source);<a name="line.496"></a>
<FONT color="green">497</FONT>            if (subplot != null) {<a name="line.497"></a>
<FONT color="green">498</FONT>                subplot.zoomRangeAxes(factor, info, source);<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>         * Zooms in on the range axes.<a name="line.503"></a>
<FONT color="green">504</FONT>         *<a name="line.504"></a>
<FONT color="green">505</FONT>         * @param lowerPercent  the lower bound.<a name="line.505"></a>
<FONT color="green">506</FONT>         * @param upperPercent  the upper bound.<a name="line.506"></a>
<FONT color="green">507</FONT>         * @param info  the plot rendering info.<a name="line.507"></a>
<FONT color="green">508</FONT>         * @param source  the source point.<a name="line.508"></a>
<FONT color="green">509</FONT>         */<a name="line.509"></a>
<FONT color="green">510</FONT>        public void zoomRangeAxes(double lowerPercent, double upperPercent, <a name="line.510"></a>
<FONT color="green">511</FONT>                                  PlotRenderingInfo info, Point2D source) {<a name="line.511"></a>
<FONT color="green">512</FONT>            XYPlot subplot = findSubplot(info, source);<a name="line.512"></a>
<FONT color="green">513</FONT>            if (subplot != null) {<a name="line.513"></a>
<FONT color="green">514</FONT>                subplot.zoomRangeAxes(lowerPercent, upperPercent, info, source);<a name="line.514"></a>
<FONT color="green">515</FONT>            }<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>         * Returns the subplot (if any) that contains the (x, y) point (specified <a name="line.519"></a>
<FONT color="green">520</FONT>         * in Java2D space).<a name="line.520"></a>
<FONT color="green">521</FONT>         * <a name="line.521"></a>
<FONT color="green">522</FONT>         * @param info  the chart rendering info.<a name="line.522"></a>
<FONT color="green">523</FONT>         * @param source  the source point.<a name="line.523"></a>
<FONT color="green">524</FONT>         * <a name="line.524"></a>
<FONT color="green">525</FONT>         * @return A subplot (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.525"></a>
<FONT color="green">526</FONT>         */<a name="line.526"></a>
<FONT color="green">527</FONT>        public XYPlot findSubplot(PlotRenderingInfo info, Point2D source) {<a name="line.527"></a>
<FONT color="green">528</FONT>            XYPlot result = null;<a name="line.528"></a>
<FONT color="green">529</FONT>            int subplotIndex = info.getSubplotIndex(source);<a name="line.529"></a>
<FONT color="green">530</FONT>            if (subplotIndex &gt;= 0) {<a name="line.530"></a>
<FONT color="green">531</FONT>                result =  (XYPlot) this.subplots.get(subplotIndex);<a name="line.531"></a>
<FONT color="green">532</FONT>            }<a name="line.532"></a>
<FONT color="green">533</FONT>            return result;<a name="line.533"></a>
<FONT color="green">534</FONT>        }<a name="line.534"></a>
<FONT color="green">535</FONT>        <a name="line.535"></a>
<FONT color="green">536</FONT>        /**<a name="line.536"></a>
<FONT color="green">537</FONT>         * Sets the item renderer FOR ALL SUBPLOTS.  Registered listeners are <a name="line.537"></a>
<FONT color="green">538</FONT>         * notified that the plot has been modified.<a name="line.538"></a>
<FONT color="green">539</FONT>         * &lt;P&gt;<a name="line.539"></a>
<FONT color="green">540</FONT>         * Note: usually you will want to set the renderer independently for each <a name="line.540"></a>
<FONT color="green">541</FONT>         * subplot, which is NOT what this method does.<a name="line.541"></a>
<FONT color="green">542</FONT>         *<a name="line.542"></a>
<FONT color="green">543</FONT>         * @param renderer the new renderer.<a name="line.543"></a>
<FONT color="green">544</FONT>         */<a name="line.544"></a>
<FONT color="green">545</FONT>        public void setRenderer(XYItemRenderer renderer) {<a name="line.545"></a>
<FONT color="green">546</FONT>    <a name="line.546"></a>
<FONT color="green">547</FONT>            super.setRenderer(renderer);  // not strictly necessary, since the <a name="line.547"></a>
<FONT color="green">548</FONT>                                          // renderer set for the<a name="line.548"></a>
<FONT color="green">549</FONT>                                          // parent plot is not used<a name="line.549"></a>
<FONT color="green">550</FONT>    <a name="line.550"></a>
<FONT color="green">551</FONT>            Iterator iterator = this.subplots.iterator();<a name="line.551"></a>
<FONT color="green">552</FONT>            while (iterator.hasNext()) {<a name="line.552"></a>
<FONT color="green">553</FONT>                XYPlot plot = (XYPlot) iterator.next();<a name="line.553"></a>
<FONT color="green">554</FONT>                plot.setRenderer(renderer);<a name="line.554"></a>
<FONT color="green">555</FONT>            }<a name="line.555"></a>
<FONT color="green">556</FONT>    <a name="line.556"></a>
<FONT color="green">557</FONT>        }<a name="line.557"></a>
<FONT color="green">558</FONT>    <a name="line.558"></a>
<FONT color="green">559</FONT>        /**<a name="line.559"></a>
<FONT color="green">560</FONT>         * Sets the fixed range axis space.<a name="line.560"></a>
<FONT color="green">561</FONT>         *<a name="line.561"></a>
<FONT color="green">562</FONT>         * @param space  the space (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.562"></a>
<FONT color="green">563</FONT>         */<a name="line.563"></a>
<FONT color="green">564</FONT>        public void setFixedRangeAxisSpace(AxisSpace space) {<a name="line.564"></a>
<FONT color="green">565</FONT>            super.setFixedRangeAxisSpace(space);<a name="line.565"></a>
<FONT color="green">566</FONT>            setFixedRangeAxisSpaceForSubplots(space);<a name="line.566"></a>
<FONT color="green">567</FONT>            this.notifyListeners(new PlotChangeEvent(this));<a name="line.567"></a>
<FONT color="green">568</FONT>        }<a name="line.568"></a>
<FONT color="green">569</FONT>        <a name="line.569"></a>
<FONT color="green">570</FONT>        /**<a name="line.570"></a>
<FONT color="green">571</FONT>         * Sets the size (width or height, depending on the orientation of the <a name="line.571"></a>
<FONT color="green">572</FONT>         * plot) for the domain axis of each subplot.<a name="line.572"></a>
<FONT color="green">573</FONT>         *<a name="line.573"></a>
<FONT color="green">574</FONT>         * @param space  the space.<a name="line.574"></a>
<FONT color="green">575</FONT>         */<a name="line.575"></a>
<FONT color="green">576</FONT>        protected void setFixedRangeAxisSpaceForSubplots(AxisSpace space) {<a name="line.576"></a>
<FONT color="green">577</FONT>    <a name="line.577"></a>
<FONT color="green">578</FONT>            Iterator iterator = this.subplots.iterator();<a name="line.578"></a>
<FONT color="green">579</FONT>            while (iterator.hasNext()) {<a name="line.579"></a>
<FONT color="green">580</FONT>                XYPlot plot = (XYPlot) iterator.next();<a name="line.580"></a>
<FONT color="green">581</FONT>                plot.setFixedRangeAxisSpace(space);<a name="line.581"></a>
<FONT color="green">582</FONT>            }<a name="line.582"></a>
<FONT color="green">583</FONT>    <a name="line.583"></a>
<FONT color="green">584</FONT>        }<a name="line.584"></a>
<FONT color="green">585</FONT>    <a name="line.585"></a>
<FONT color="green">586</FONT>        /**<a name="line.586"></a>
<FONT color="green">587</FONT>         * Handles a 'click' on the plot by updating the anchor values.<a name="line.587"></a>
<FONT color="green">588</FONT>         *<a name="line.588"></a>
<FONT color="green">589</FONT>         * @param x  x-coordinate, where the click occured.<a name="line.589"></a>
<FONT color="green">590</FONT>         * @param y  y-coordinate, where the click occured.<a name="line.590"></a>
<FONT color="green">591</FONT>         * @param info  object containing information about the plot dimensions.<a name="line.591"></a>
<FONT color="green">592</FONT>         */<a name="line.592"></a>
<FONT color="green">593</FONT>        public void handleClick(int x, int y, PlotRenderingInfo info) {<a name="line.593"></a>
<FONT color="green">594</FONT>            Rectangle2D dataArea = info.getDataArea();<a name="line.594"></a>
<FONT color="green">595</FONT>            if (dataArea.contains(x, y)) {<a name="line.595"></a>
<FONT color="green">596</FONT>                for (int i = 0; i &lt; this.subplots.size(); i++) {<a name="line.596"></a>
<FONT color="green">597</FONT>                    XYPlot subplot = (XYPlot) this.subplots.get(i);<a name="line.597"></a>