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Diffstat (limited to 'libjava/classpath/javax/swing/DefaultSingleSelectionModel.java')
| -rw-r--r-- | libjava/classpath/javax/swing/DefaultSingleSelectionModel.java | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/libjava/classpath/javax/swing/DefaultSingleSelectionModel.java b/libjava/classpath/javax/swing/DefaultSingleSelectionModel.java deleted file mode 100644 index 93d129e..0000000 --- a/libjava/classpath/javax/swing/DefaultSingleSelectionModel.java +++ /dev/null @@ -1,191 +0,0 @@ -/* DefaultSingleSelectionModel.java -- - Copyright (C) 2002, 2004, 2006, Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package javax.swing; - -import java.io.Serializable; -import java.util.EventListener; - -import javax.swing.event.ChangeEvent; -import javax.swing.event.ChangeListener; -import javax.swing.event.EventListenerList; - -/** - * The default implementation of {@link SingleSelectionModel}, used in - * {@link JTabbedPane}, {@link JMenuBar} and {@link JPopupMenu}. - * - * @author Andrew Selkirk - */ -public class DefaultSingleSelectionModel - implements SingleSelectionModel, Serializable -{ - private static final long serialVersionUID = 3676229404753786004L; - - /** - * changeEvent - */ - protected transient ChangeEvent changeEvent; - - /** - * listenerList - */ - protected EventListenerList listenerList = new EventListenerList(); - - /** - * The selected index (or -1 for no selection). - */ - private int index = -1; - - /** - * Creates a new <code>DefaultSingleSelectionModel</code> with no current - * selection. - */ - public DefaultSingleSelectionModel() - { - // Do nothing. - } - - /** - * Returns the selected index or <code>-1</code> if there is no selection. - * - * @return The selected index. - * - * @see #setSelectedIndex(int) - */ - public int getSelectedIndex() - { - return index; - } - - /** - * Sets the selected index and, if this is different to the previous - * selection, sends a {@link ChangeEvent} to all registered listeners. - * - * @param index the index (use <code>-1</code> to represent no selection). - * - * @see #getSelectedIndex() - * @see #clearSelection - */ - public void setSelectedIndex(int index) - { - if (this.index != index) - { - this.index = index; - fireStateChanged(); - } - } - - /** - * Clears the selection by setting the selected index to <code>-1</code> and - * sends a {@link ChangeEvent} to all registered listeners. If the selected - * index is already <code>-1</code>, this method does nothing. - */ - public void clearSelection() - { - setSelectedIndex(-1); - } - - /** - * Returns <code>true</code> if there is a selection, and <code>false</code> - * otherwise. - * - * @return A boolean. - */ - public boolean isSelected() - { - return index != -1; - } - - /** - * Registers a listener to receive {@link ChangeEvent} notifications from - * this model whenever the selected index changes. - * - * @param listener the listener to add. - */ - public void addChangeListener(ChangeListener listener) - { - listenerList.add(ChangeListener.class, listener); - } - - /** - * Deregisters a listener so that it no longer receives {@link ChangeEvent} - * notifications from this model. - * - * @param listener the listener to remove. - */ - public void removeChangeListener(ChangeListener listener) - { - listenerList.remove(ChangeListener.class, listener); - } - - /** - * fireStateChanged - */ - protected void fireStateChanged() - { - if (changeEvent == null) - changeEvent = new ChangeEvent(this); - ChangeListener[] listeners = getChangeListeners(); - for (int i = 0; i < listeners.length; i++) - listeners[i].stateChanged(changeEvent); - } - - /** - * getListeners - * - * @param listenerClass the type fo listener - * - * @return an array of listeners - * - * @since 1.3 - */ - public <T extends EventListener> T[] getListeners(Class<T> listenerClass) - { - return listenerList.getListeners(listenerClass); - } - - /** - * getChangeListeners - * - * @since 1.4 - */ - public ChangeListener[] getChangeListeners() - { - return (ChangeListener[]) getListeners(ChangeListener.class); - } -} |