plot.html

jfreechart1。0。2的api。

<FONT color="green">288</FONT>        }<a name="line.288"></a>
<FONT color="green">289</FONT>    <a name="line.289"></a>
<FONT color="green">290</FONT>        /**<a name="line.290"></a>
<FONT color="green">291</FONT>         * Returns the dataset group for the plot (not currently used).<a name="line.291"></a>
<FONT color="green">292</FONT>         *<a name="line.292"></a>
<FONT color="green">293</FONT>         * @return The dataset group.<a name="line.293"></a>
<FONT color="green">294</FONT>         */<a name="line.294"></a>
<FONT color="green">295</FONT>        public DatasetGroup getDatasetGroup() {<a name="line.295"></a>
<FONT color="green">296</FONT>            return this.datasetGroup;<a name="line.296"></a>
<FONT color="green">297</FONT>        }<a name="line.297"></a>
<FONT color="green">298</FONT>    <a name="line.298"></a>
<FONT color="green">299</FONT>        /**<a name="line.299"></a>
<FONT color="green">300</FONT>         * Sets the dataset group (not currently used).<a name="line.300"></a>
<FONT color="green">301</FONT>         *<a name="line.301"></a>
<FONT color="green">302</FONT>         * @param group  the dataset group (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.302"></a>
<FONT color="green">303</FONT>         */<a name="line.303"></a>
<FONT color="green">304</FONT>        protected void setDatasetGroup(DatasetGroup group) {<a name="line.304"></a>
<FONT color="green">305</FONT>            this.datasetGroup = group;<a name="line.305"></a>
<FONT color="green">306</FONT>        }<a name="line.306"></a>
<FONT color="green">307</FONT>    <a name="line.307"></a>
<FONT color="green">308</FONT>        /**<a name="line.308"></a>
<FONT color="green">309</FONT>         * Returns the string that is displayed when the dataset is empty or <a name="line.309"></a>
<FONT color="green">310</FONT>         * &lt;code&gt;null&lt;/code&gt;.<a name="line.310"></a>
<FONT color="green">311</FONT>         *<a name="line.311"></a>
<FONT color="green">312</FONT>         * @return The 'no data' message (&lt;code&gt;null&lt;/code&gt; possible).<a name="line.312"></a>
<FONT color="green">313</FONT>         */<a name="line.313"></a>
<FONT color="green">314</FONT>        public String getNoDataMessage() {<a name="line.314"></a>
<FONT color="green">315</FONT>            return this.noDataMessage;<a name="line.315"></a>
<FONT color="green">316</FONT>        }<a name="line.316"></a>
<FONT color="green">317</FONT>    <a name="line.317"></a>
<FONT color="green">318</FONT>        /**<a name="line.318"></a>
<FONT color="green">319</FONT>         * Sets the message that is displayed when the dataset is empty or null.<a name="line.319"></a>
<FONT color="green">320</FONT>         *<a name="line.320"></a>
<FONT color="green">321</FONT>         * @param message  the message (null permitted).<a name="line.321"></a>
<FONT color="green">322</FONT>         */<a name="line.322"></a>
<FONT color="green">323</FONT>        public void setNoDataMessage(String message) {<a name="line.323"></a>
<FONT color="green">324</FONT>            this.noDataMessage = message;<a name="line.324"></a>
<FONT color="green">325</FONT>        }<a name="line.325"></a>
<FONT color="green">326</FONT>    <a name="line.326"></a>
<FONT color="green">327</FONT>        /**<a name="line.327"></a>
<FONT color="green">328</FONT>         * Returns the font used to display the 'no data' message.<a name="line.328"></a>
<FONT color="green">329</FONT>         *<a name="line.329"></a>
<FONT color="green">330</FONT>         * @return The font.<a name="line.330"></a>
<FONT color="green">331</FONT>         */<a name="line.331"></a>
<FONT color="green">332</FONT>        public Font getNoDataMessageFont() {<a name="line.332"></a>
<FONT color="green">333</FONT>            return this.noDataMessageFont;<a name="line.333"></a>
<FONT color="green">334</FONT>        }<a name="line.334"></a>
<FONT color="green">335</FONT>    <a name="line.335"></a>
<FONT color="green">336</FONT>        /**<a name="line.336"></a>
<FONT color="green">337</FONT>         * Sets the font used to display the 'no data' message.<a name="line.337"></a>
<FONT color="green">338</FONT>         *<a name="line.338"></a>
<FONT color="green">339</FONT>         * @param font  the font.<a name="line.339"></a>
<FONT color="green">340</FONT>         */<a name="line.340"></a>
<FONT color="green">341</FONT>        public void setNoDataMessageFont(Font font) {<a name="line.341"></a>
<FONT color="green">342</FONT>            this.noDataMessageFont = font;<a name="line.342"></a>
<FONT color="green">343</FONT>        }<a name="line.343"></a>
<FONT color="green">344</FONT>    <a name="line.344"></a>
<FONT color="green">345</FONT>        /**<a name="line.345"></a>
<FONT color="green">346</FONT>         * Returns the paint used to display the 'no data' message.<a name="line.346"></a>
<FONT color="green">347</FONT>         *<a name="line.347"></a>
<FONT color="green">348</FONT>         * @return The paint.<a name="line.348"></a>
<FONT color="green">349</FONT>         */<a name="line.349"></a>
<FONT color="green">350</FONT>        public Paint getNoDataMessagePaint() {<a name="line.350"></a>
<FONT color="green">351</FONT>            return this.noDataMessagePaint;<a name="line.351"></a>
<FONT color="green">352</FONT>        }<a name="line.352"></a>
<FONT color="green">353</FONT>    <a name="line.353"></a>
<FONT color="green">354</FONT>        /**<a name="line.354"></a>
<FONT color="green">355</FONT>         * Sets the paint used to display the 'no data' message.<a name="line.355"></a>
<FONT color="green">356</FONT>         *<a name="line.356"></a>
<FONT color="green">357</FONT>         * @param paint  the paint.<a name="line.357"></a>
<FONT color="green">358</FONT>         */<a name="line.358"></a>
<FONT color="green">359</FONT>        public void setNoDataMessagePaint(Paint paint) {<a name="line.359"></a>
<FONT color="green">360</FONT>            this.noDataMessagePaint = paint;<a name="line.360"></a>
<FONT color="green">361</FONT>        }<a name="line.361"></a>
<FONT color="green">362</FONT>    <a name="line.362"></a>
<FONT color="green">363</FONT>        /**<a name="line.363"></a>
<FONT color="green">364</FONT>         * Returns a short string describing the plot type.<a name="line.364"></a>
<FONT color="green">365</FONT>         * &lt;P&gt;<a name="line.365"></a>
<FONT color="green">366</FONT>         * Note: this gets used in the chart property editing user interface,<a name="line.366"></a>
<FONT color="green">367</FONT>         * but there needs to be a better mechanism for identifying the plot type.<a name="line.367"></a>
<FONT color="green">368</FONT>         *<a name="line.368"></a>
<FONT color="green">369</FONT>         * @return A short string describing the plot type.<a name="line.369"></a>
<FONT color="green">370</FONT>         */<a name="line.370"></a>
<FONT color="green">371</FONT>        public abstract String getPlotType();<a name="line.371"></a>
<FONT color="green">372</FONT>    <a name="line.372"></a>
<FONT color="green">373</FONT>        /**<a name="line.373"></a>
<FONT color="green">374</FONT>         * Returns the parent plot (or &lt;code&gt;null&lt;/code&gt; if this plot is not part <a name="line.374"></a>
<FONT color="green">375</FONT>         * of a combined plot).<a name="line.375"></a>
<FONT color="green">376</FONT>         *<a name="line.376"></a>
<FONT color="green">377</FONT>         * @return The parent plot.<a name="line.377"></a>
<FONT color="green">378</FONT>         */<a name="line.378"></a>
<FONT color="green">379</FONT>        public Plot getParent() {<a name="line.379"></a>
<FONT color="green">380</FONT>            return this.parent;<a name="line.380"></a>
<FONT color="green">381</FONT>        }<a name="line.381"></a>
<FONT color="green">382</FONT>    <a name="line.382"></a>
<FONT color="green">383</FONT>        /**<a name="line.383"></a>
<FONT color="green">384</FONT>         * Sets the parent plot.<a name="line.384"></a>
<FONT color="green">385</FONT>         *<a name="line.385"></a>
<FONT color="green">386</FONT>         * @param parent  the parent plot.<a name="line.386"></a>
<FONT color="green">387</FONT>         */<a name="line.387"></a>
<FONT color="green">388</FONT>        public void setParent(Plot parent) {<a name="line.388"></a>
<FONT color="green">389</FONT>            this.parent = parent;<a name="line.389"></a>
<FONT color="green">390</FONT>        }<a name="line.390"></a>
<FONT color="green">391</FONT>    <a name="line.391"></a>
<FONT color="green">392</FONT>        /**<a name="line.392"></a>
<FONT color="green">393</FONT>         * Returns the root plot.<a name="line.393"></a>
<FONT color="green">394</FONT>         *<a name="line.394"></a>
<FONT color="green">395</FONT>         * @return The root plot.<a name="line.395"></a>
<FONT color="green">396</FONT>         */<a name="line.396"></a>
<FONT color="green">397</FONT>        public Plot getRootPlot() {<a name="line.397"></a>
<FONT color="green">398</FONT>    <a name="line.398"></a>
<FONT color="green">399</FONT>            Plot p = getParent();<a name="line.399"></a>
<FONT color="green">400</FONT>            if (p == null) {<a name="line.400"></a>
<FONT color="green">401</FONT>                return this;<a name="line.401"></a>
<FONT color="green">402</FONT>            }<a name="line.402"></a>
<FONT color="green">403</FONT>            else {<a name="line.403"></a>
<FONT color="green">404</FONT>                return p.getRootPlot();<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 true if this plot is part of a combined plot structure.<a name="line.410"></a>
<FONT color="green">411</FONT>         *<a name="line.411"></a>
<FONT color="green">412</FONT>         * @return &lt;code&gt;true&lt;/code&gt; if this plot is part of a combined plot <a name="line.412"></a>
<FONT color="green">413</FONT>         *         structure.<a name="line.413"></a>
<FONT color="green">414</FONT>         */<a name="line.414"></a>
<FONT color="green">415</FONT>        public boolean isSubplot() {<a name="line.415"></a>
<FONT color="green">416</FONT>            return (getParent() != null);<a name="line.416"></a>
<FONT color="green">417</FONT>        }<a name="line.417"></a>
<FONT color="green">418</FONT>    <a name="line.418"></a>
<FONT color="green">419</FONT>        /**<a name="line.419"></a>
<FONT color="green">420</FONT>         * Returns the insets for the plot area.<a name="line.420"></a>
<FONT color="green">421</FONT>         *<a name="line.421"></a>
<FONT color="green">422</FONT>         * @return The insets (never &lt;code&gt;null&lt;/code&gt;).<a name="line.422"></a>
<FONT color="green">423</FONT>         */<a name="line.423"></a>
<FONT color="green">424</FONT>        public RectangleInsets getInsets() {<a name="line.424"></a>
<FONT color="green">425</FONT>            return this.insets;<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>        /**<a name="line.428"></a>
<FONT color="green">429</FONT>         * Sets the insets for the plot and sends a {@link PlotChangeEvent} to <a name="line.429"></a>
<FONT color="green">430</FONT>         * all registered listeners.<a name="line.430"></a>
<FONT color="green">431</FONT>         *<a name="line.431"></a>
<FONT color="green">432</FONT>         * @param insets  the new insets (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.432"></a>