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Diffstat (limited to 'libjava/javax/swing/DefaultComboBoxModel.java')
| -rw-r--r-- | libjava/javax/swing/DefaultComboBoxModel.java | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/libjava/javax/swing/DefaultComboBoxModel.java b/libjava/javax/swing/DefaultComboBoxModel.java deleted file mode 100644 index 3678ab9b72e..00000000000 --- a/libjava/javax/swing/DefaultComboBoxModel.java +++ /dev/null @@ -1,239 +0,0 @@ -/* DefaultComboBoxModel.java -- - Copyright (C) 2002, 2004 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.Arrays; -import java.util.Vector; - - -/** - * DefaultComboBoxModel is a data model for JComboBox. This model keeps track - * of elements contained in the JComboBox as well as the current combo box - * selection. Whenever selection in the JComboBox changes, the ComboBoxModel - * will fire ListDataEvents to ComboBox's ListDataListeners. - * - * @author Andrew Selkirk - * @author Olga Rodimina - * @author Robert Schuster - * @version 1.0 - */ -public class DefaultComboBoxModel extends AbstractListModel - implements MutableComboBoxModel, Serializable -{ - private static final long serialVersionUID = 6698657703676921904L; - - /** - * List containing items in the combo box - */ - private Vector list; - - /** - * Currently selected item in the combo box list - */ - private Object selectedItem = null; - - /** - * Constructor DefaultComboBoxModel. Create empty JComboBox. - */ - public DefaultComboBoxModel() - { - list = new Vector(); - } - - /** - * Constructs new DefaultComboBoxModel object and initializes its item list - * to values in the given array. - * - * @param items array containing items of the combo box. - */ - public DefaultComboBoxModel(Object[] items) - { - list = new Vector(Arrays.asList(items)); - } - - /** - * Consturcts new DefaultComboBoxModel object and initializes its item list - * to values in the given vector. - * - * @param vector Vector containing items for this combo box. - */ - public DefaultComboBoxModel(Vector vector) - { - this.list = vector; - } - - /** - * This method adds element to the combo box list. It fires ListDataEvent - * indicating that component was added to the combo box to all of the - * JComboBox's registered ListDataListeners. - * - * @param object item to add to the combo box list - */ - public void addElement(Object object) - { - list.add(object); - fireIntervalAdded(this, list.size(), list.size()); - } - - /** - * This method removes element at the specified index from the combo box - * list. It fires ListDataEvent indicating that component was removed from - * the combo box list to all of the JComboBox's registered - * ListDataListeners. - * - * @param index index specifying location of the element to remove in the - * combo box list. - */ - public void removeElementAt(int index) - { - list.remove(index); - fireIntervalRemoved(this, index, index); - } - - /** - * This method inserts given object to the combo box list at the specified - * index. It fires ListDataEvent indicating that component was inserted to - * the combo box list to all of the JComboBox's registered - * ListDataListeners. - * - * @param object element to insert - * @param index index specifing position in the list where given element - * should be inserted. - */ - public void insertElementAt(Object object, int index) - { - list.insertElementAt(object, index); - fireIntervalAdded(this, index, index); - } - - /** - * Removes given object from the combo box list. It fires ListDataEvent - * indicating that component was removed from the combo box list to all of - * the JComboBox's registered ListDataListeners. - * - * @param object Element that will be removed from the combo box list - */ - public void removeElement(Object object) - { - int index = getIndexOf(object); - if (index != -1) - removeElementAt(index); - } - - /** - * Removes all the items from the JComboBox's item list. It fires - * ListDataEvent indicating that all the elements were removed from the - * combo box list to all of the JComboBox's registered ListDataListeners. - */ - public void removeAllElements() - { - int listSize = getSize(); - list.clear(); - fireIntervalAdded(this, 0, listSize - 1); - } - - /** - * Returns number of items in the combo box list - * - * @return number of items in the combo box list - */ - public int getSize() - { - return list.size(); - } - - /** - * Selects given object in the combo box list. This method fires - * ListDataEvent to all registered ListDataListeners of the JComboBox. The - * start and end index of the event is set to -1 to indicate combo box's - * selection has changed, and not its contents. - * - * <p>If the given object is not contained in the combo box list then nothing - * happens.</p> - * - * @param object item to select in the JComboBox - */ - public void setSelectedItem(Object object) - { - - /* Updates the selected item only if the given object - * is null or in the list (this is how the JDK behaves). - */ - if(object == null || list.contains(object)) { - selectedItem = object; - fireContentsChanged(this, -1, -1); - } - - } - - /** - * Returns currently selected item in the combo box list - * - * @return currently selected item in the combo box list - */ - public Object getSelectedItem() - { - return selectedItem; - } - - /** - * Returns element in the combo box list located at the given index - * - * @param index specifying location of the element in the list - * - * @return return element in the combo box list located at the given index - */ - public Object getElementAt(int index) - { - return list.elementAt(index); - } - - /** - * Returns index of the specified object in the combo box list. - * - * @param object element to look for in the combo box list . - * - * @return Index specifying position of the specified element in combo box - * list. - */ - public int getIndexOf(Object object) - { - return list.indexOf(object); - } -} |