296 /**
297 * Removes a <code>ChangeListener</code> from this tabbedpane.
298 *
299 * @param l the <code>ChangeListener</code> to remove
300 * @see #fireStateChanged
301 * @see #addChangeListener
302 */
303 public void removeChangeListener(ChangeListener l) {
304 listenerList.remove(ChangeListener.class, l);
305 }
306
307 /**
308 * Returns an array of all the <code>ChangeListener</code>s added
309 * to this <code>JTabbedPane</code> with <code>addChangeListener</code>.
310 *
311 * @return all of the <code>ChangeListener</code>s added or an empty
312 * array if no listeners have been added
313 * @since 1.4
314 */
315 public ChangeListener[] getChangeListeners() {
316 return (ChangeListener[])listenerList.getListeners(
317 ChangeListener.class);
318 }
319
320 /**
321 * Sends a {@code ChangeEvent}, with this {@code JTabbedPane} as the source,
322 * to each registered listener. This method is called each time there is
323 * a change to either the selected index or the selected tab in the
324 * {@code JTabbedPane}. Usually, the selected index and selected tab change
325 * together. However, there are some cases, such as tab addition, where the
326 * selected index changes and the same tab remains selected. There are other
327 * cases, such as deleting the selected tab, where the index remains the
328 * same, but a new tab moves to that index. Events are fired for all of
329 * these cases.
330 *
331 * @see #addChangeListener
332 * @see EventListenerList
333 */
334 protected void fireStateChanged() {
335 /* --- Begin code to deal with visibility --- */
336
337 /* This code deals with changing the visibility of components to
2043 this.parent = parent;
2044 this.setAccessibleParent(parent);
2045 this.component = component;
2046 this.tip = tip;
2047
2048 initAccessibleContext();
2049 }
2050
2051 /*
2052 * initializes the AccessibleContext for the page
2053 */
2054 void initAccessibleContext() {
2055 if (JTabbedPane.this.accessibleContext != null &&
2056 component instanceof Accessible) {
2057 /*
2058 * Do initialization if the AccessibleJTabbedPane
2059 * has been instantiated. We do not want to load
2060 * Accessibility classes unnecessarily.
2061 */
2062 AccessibleContext ac;
2063 ac = ((Accessible) component).getAccessibleContext();
2064 if (ac != null) {
2065 ac.setAccessibleParent(this);
2066 }
2067 }
2068 }
2069
2070 void setMnemonic(int mnemonic) {
2071 this.mnemonic = mnemonic;
2072 updateDisplayedMnemonicIndex();
2073 }
2074
2075 int getMnemonic() {
2076 return mnemonic;
2077 }
2078
2079 /*
2080 * Sets the page displayed mnemonic index
2081 */
2082 void setDisplayedMnemonicIndex(int mnemonicIndex) {
2083 if (this.mnemonicIndex != mnemonicIndex) {
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296 /**
297 * Removes a <code>ChangeListener</code> from this tabbedpane.
298 *
299 * @param l the <code>ChangeListener</code> to remove
300 * @see #fireStateChanged
301 * @see #addChangeListener
302 */
303 public void removeChangeListener(ChangeListener l) {
304 listenerList.remove(ChangeListener.class, l);
305 }
306
307 /**
308 * Returns an array of all the <code>ChangeListener</code>s added
309 * to this <code>JTabbedPane</code> with <code>addChangeListener</code>.
310 *
311 * @return all of the <code>ChangeListener</code>s added or an empty
312 * array if no listeners have been added
313 * @since 1.4
314 */
315 public ChangeListener[] getChangeListeners() {
316 return listenerList.getListeners(ChangeListener.class);
317 }
318
319 /**
320 * Sends a {@code ChangeEvent}, with this {@code JTabbedPane} as the source,
321 * to each registered listener. This method is called each time there is
322 * a change to either the selected index or the selected tab in the
323 * {@code JTabbedPane}. Usually, the selected index and selected tab change
324 * together. However, there are some cases, such as tab addition, where the
325 * selected index changes and the same tab remains selected. There are other
326 * cases, such as deleting the selected tab, where the index remains the
327 * same, but a new tab moves to that index. Events are fired for all of
328 * these cases.
329 *
330 * @see #addChangeListener
331 * @see EventListenerList
332 */
333 protected void fireStateChanged() {
334 /* --- Begin code to deal with visibility --- */
335
336 /* This code deals with changing the visibility of components to
2042 this.parent = parent;
2043 this.setAccessibleParent(parent);
2044 this.component = component;
2045 this.tip = tip;
2046
2047 initAccessibleContext();
2048 }
2049
2050 /*
2051 * initializes the AccessibleContext for the page
2052 */
2053 void initAccessibleContext() {
2054 if (JTabbedPane.this.accessibleContext != null &&
2055 component instanceof Accessible) {
2056 /*
2057 * Do initialization if the AccessibleJTabbedPane
2058 * has been instantiated. We do not want to load
2059 * Accessibility classes unnecessarily.
2060 */
2061 AccessibleContext ac;
2062 ac = component.getAccessibleContext();
2063 if (ac != null) {
2064 ac.setAccessibleParent(this);
2065 }
2066 }
2067 }
2068
2069 void setMnemonic(int mnemonic) {
2070 this.mnemonic = mnemonic;
2071 updateDisplayedMnemonicIndex();
2072 }
2073
2074 int getMnemonic() {
2075 return mnemonic;
2076 }
2077
2078 /*
2079 * Sets the page displayed mnemonic index
2080 */
2081 void setDisplayedMnemonicIndex(int mnemonicIndex) {
2082 if (this.mnemonicIndex != mnemonicIndex) {
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