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jfreechart1。0。2的api。

<FONT color="green">344</FONT>         *<a name="line.344"></a>
<FONT color="green">345</FONT>         * @param listener  the object that is being registered.<a name="line.345"></a>
<FONT color="green">346</FONT>         */<a name="line.346"></a>
<FONT color="green">347</FONT>        public void addChangeListener(TitleChangeListener listener) {<a name="line.347"></a>
<FONT color="green">348</FONT>            this.listenerList.add(TitleChangeListener.class, listener);<a name="line.348"></a>
<FONT color="green">349</FONT>        }<a name="line.349"></a>
<FONT color="green">350</FONT>    <a name="line.350"></a>
<FONT color="green">351</FONT>        /**<a name="line.351"></a>
<FONT color="green">352</FONT>         * Unregisters an object for notification of changes to the chart title.<a name="line.352"></a>
<FONT color="green">353</FONT>         *<a name="line.353"></a>
<FONT color="green">354</FONT>         * @param listener  the object that is being unregistered.<a name="line.354"></a>
<FONT color="green">355</FONT>         */<a name="line.355"></a>
<FONT color="green">356</FONT>        public void removeChangeListener(TitleChangeListener listener) {<a name="line.356"></a>
<FONT color="green">357</FONT>            this.listenerList.remove(TitleChangeListener.class, listener);<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>        /**<a name="line.360"></a>
<FONT color="green">361</FONT>         * Notifies all registered listeners that the chart title has changed in <a name="line.361"></a>
<FONT color="green">362</FONT>         * some way.<a name="line.362"></a>
<FONT color="green">363</FONT>         *<a name="line.363"></a>
<FONT color="green">364</FONT>         * @param event  an object that contains information about the change to <a name="line.364"></a>
<FONT color="green">365</FONT>         *               the title.<a name="line.365"></a>
<FONT color="green">366</FONT>         */<a name="line.366"></a>
<FONT color="green">367</FONT>        protected void notifyListeners(TitleChangeEvent event) {<a name="line.367"></a>
<FONT color="green">368</FONT>            if (this.notify) {<a name="line.368"></a>
<FONT color="green">369</FONT>                Object[] listeners = this.listenerList.getListenerList();<a name="line.369"></a>
<FONT color="green">370</FONT>                for (int i = listeners.length - 2; i &gt;= 0; i -= 2) {<a name="line.370"></a>
<FONT color="green">371</FONT>                    if (listeners[i] == TitleChangeListener.class) {<a name="line.371"></a>
<FONT color="green">372</FONT>                        ((TitleChangeListener) listeners[i + 1]).titleChanged(<a name="line.372"></a>
<FONT color="green">373</FONT>                            event<a name="line.373"></a>
<FONT color="green">374</FONT>                        );<a name="line.374"></a>
<FONT color="green">375</FONT>                    }<a name="line.375"></a>
<FONT color="green">376</FONT>                }<a name="line.376"></a>
<FONT color="green">377</FONT>            }<a name="line.377"></a>
<FONT color="green">378</FONT>        }<a name="line.378"></a>
<FONT color="green">379</FONT>    <a name="line.379"></a>
<FONT color="green">380</FONT>        /**<a name="line.380"></a>
<FONT color="green">381</FONT>         * Tests an object for equality with this title.<a name="line.381"></a>
<FONT color="green">382</FONT>         *<a name="line.382"></a>
<FONT color="green">383</FONT>         * @param obj  the object (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.383"></a>
<FONT color="green">384</FONT>         *<a name="line.384"></a>
<FONT color="green">385</FONT>         * @return &lt;code&gt;true&lt;/code&gt; or &lt;code&gt;false&lt;/code&gt;.<a name="line.385"></a>
<FONT color="green">386</FONT>         */<a name="line.386"></a>
<FONT color="green">387</FONT>        public boolean equals(Object obj) {<a name="line.387"></a>
<FONT color="green">388</FONT>            if (obj == this) {<a name="line.388"></a>
<FONT color="green">389</FONT>                return true;<a name="line.389"></a>
<FONT color="green">390</FONT>            }<a name="line.390"></a>
<FONT color="green">391</FONT>            if (!(obj instanceof Title)) {<a name="line.391"></a>
<FONT color="green">392</FONT>                return false;<a name="line.392"></a>
<FONT color="green">393</FONT>            }<a name="line.393"></a>
<FONT color="green">394</FONT>            if (!super.equals(obj)) {<a name="line.394"></a>
<FONT color="green">395</FONT>                return false;   <a name="line.395"></a>
<FONT color="green">396</FONT>            }<a name="line.396"></a>
<FONT color="green">397</FONT>            Title that = (Title) obj;<a name="line.397"></a>
<FONT color="green">398</FONT>            if (this.position != that.position) {<a name="line.398"></a>
<FONT color="green">399</FONT>                return false;<a name="line.399"></a>
<FONT color="green">400</FONT>            }<a name="line.400"></a>
<FONT color="green">401</FONT>            if (this.horizontalAlignment != that.horizontalAlignment) {<a name="line.401"></a>
<FONT color="green">402</FONT>                return false;<a name="line.402"></a>
<FONT color="green">403</FONT>            }<a name="line.403"></a>
<FONT color="green">404</FONT>            if (this.verticalAlignment != that.verticalAlignment) {<a name="line.404"></a>
<FONT color="green">405</FONT>                return false;<a name="line.405"></a>
<FONT color="green">406</FONT>            }<a name="line.406"></a>
<FONT color="green">407</FONT>            if (this.notify != that.notify) {<a name="line.407"></a>
<FONT color="green">408</FONT>                return false;<a name="line.408"></a>
<FONT color="green">409</FONT>            }<a name="line.409"></a>
<FONT color="green">410</FONT>            return true;<a name="line.410"></a>
<FONT color="green">411</FONT>        }<a name="line.411"></a>
<FONT color="green">412</FONT>    <a name="line.412"></a>
<FONT color="green">413</FONT>        /**<a name="line.413"></a>
<FONT color="green">414</FONT>         * Returns a hashcode for the title.<a name="line.414"></a>
<FONT color="green">415</FONT>         * <a name="line.415"></a>
<FONT color="green">416</FONT>         * @return The hashcode.<a name="line.416"></a>
<FONT color="green">417</FONT>         */<a name="line.417"></a>
<FONT color="green">418</FONT>        public int hashCode() {<a name="line.418"></a>
<FONT color="green">419</FONT>            int result = 193;<a name="line.419"></a>
<FONT color="green">420</FONT>            result = 37 * result + ObjectUtilities.hashCode(this.position);    <a name="line.420"></a>
<FONT color="green">421</FONT>            result = 37 * result <a name="line.421"></a>
<FONT color="green">422</FONT>                + ObjectUtilities.hashCode(this.horizontalAlignment);    <a name="line.422"></a>
<FONT color="green">423</FONT>            result = 37 * result + ObjectUtilities.hashCode(this.verticalAlignment);<a name="line.423"></a>
<FONT color="green">424</FONT>            return result;<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>         * Provides serialization support.<a name="line.428"></a>
<FONT color="green">429</FONT>         *<a name="line.429"></a>
<FONT color="green">430</FONT>         * @param stream  the output stream.<a name="line.430"></a>
<FONT color="green">431</FONT>         *<a name="line.431"></a>
<FONT color="green">432</FONT>         * @throws IOException  if there is an I/O error.<a name="line.432"></a>
<FONT color="green">433</FONT>         */<a name="line.433"></a>
<FONT color="green">434</FONT>        private void writeObject(ObjectOutputStream stream) throws IOException {<a name="line.434"></a>
<FONT color="green">435</FONT>            stream.defaultWriteObject();<a name="line.435"></a>
<FONT color="green">436</FONT>        }<a name="line.436"></a>
<FONT color="green">437</FONT>    <a name="line.437"></a>
<FONT color="green">438</FONT>        /**<a name="line.438"></a>
<FONT color="green">439</FONT>         * Provides serialization support.<a name="line.439"></a>
<FONT color="green">440</FONT>         *<a name="line.440"></a>
<FONT color="green">441</FONT>         * @param stream  the input stream.<a name="line.441"></a>
<FONT color="green">442</FONT>         *<a name="line.442"></a>
<FONT color="green">443</FONT>         * @throws IOException  if there is an I/O error.<a name="line.443"></a>
<FONT color="green">444</FONT>         * @throws ClassNotFoundException  if there is a classpath problem.<a name="line.444"></a>
<FONT color="green">445</FONT>         */<a name="line.445"></a>
<FONT color="green">446</FONT>        private void readObject(ObjectInputStream stream) <a name="line.446"></a>
<FONT color="green">447</FONT>            throws IOException, ClassNotFoundException {<a name="line.447"></a>
<FONT color="green">448</FONT>            stream.defaultReadObject();<a name="line.448"></a>
<FONT color="green">449</FONT>            this.listenerList = new EventListenerList();<a name="line.449"></a>
<FONT color="green">450</FONT>        }<a name="line.450"></a>
<FONT color="green">451</FONT>    <a name="line.451"></a>
<FONT color="green">452</FONT>    }<a name="line.452"></a>




























































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