author | erikj |
Tue, 12 Sep 2017 19:03:39 +0200 | |
changeset 47216 | 71c04702a3d5 |
parent 43722 | jdk/src/java.desktop/share/classes/javax/swing/JComboBox.java@25ba19c20260 |
child 52248 | 2e330da7cbf4 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package javax.swing; |
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import java.beans.JavaBean; |
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import java.beans.BeanProperty; |
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import java.beans.PropertyChangeEvent; |
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import java.beans.PropertyChangeListener; |
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import java.beans.Transient; |
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import java.util.*; |
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import java.awt.*; |
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import java.awt.event.*; |
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import java.io.Serializable; |
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import java.io.ObjectOutputStream; |
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import java.io.IOException; |
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import javax.swing.event.*; |
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import javax.swing.plaf.*; |
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import javax.accessibility.*; |
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/** |
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* A component that combines a button or editable field and a drop-down list. |
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* The user can select a value from the drop-down list, which appears at the |
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* user's request. If you make the combo box editable, then the combo box |
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* includes an editable field into which the user can type a value. |
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* <p> |
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* <strong>Warning:</strong> Swing is not thread safe. For more |
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* information see <a |
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* href="package-summary.html#threading">Swing's Threading |
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* Policy</a>. |
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* <p> |
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* <strong>Warning:</strong> |
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* Serialized objects of this class will not be compatible with |
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* future Swing releases. The current serialization support is |
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* appropriate for short term storage or RMI between applications running |
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* the same version of Swing. As of 1.4, support for long term storage |
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* of all JavaBeans™ |
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* has been added to the <code>java.beans</code> package. |
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* Please see {@link java.beans.XMLEncoder}. |
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* |
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* <p> |
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* See <a href="http://docs.oracle.com/javase/tutorial/uiswing/components/combobox.html">How to Use Combo Boxes</a> |
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* in <a href="http://docs.oracle.com/javase/tutorial/"><em>The Java Tutorial</em></a> |
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* for further information. |
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* |
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* @see ComboBoxModel |
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* @see DefaultComboBoxModel |
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* |
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* @param <E> the type of the elements of this combo box |
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* |
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* @author Arnaud Weber |
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* @author Mark Davidson |
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* @since 1.2 |
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*/ |
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@JavaBean(defaultProperty = "UI", description = "A combination of a text field and a drop-down list.") |
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@SwingContainer(false) |
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@SuppressWarnings("serial") // Same-version serialization only |
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public class JComboBox<E> extends JComponent |
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implements ItemSelectable,ListDataListener,ActionListener, Accessible { |
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/** |
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* @see #getUIClassID |
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* @see #readObject |
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*/ |
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private static final String uiClassID = "ComboBoxUI"; |
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/** |
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* This protected field is implementation specific. Do not access directly |
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* or override. Use the accessor methods instead. |
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* |
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* @see #getModel |
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* @see #setModel |
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*/ |
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protected ComboBoxModel<E> dataModel; |
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/** |
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* This protected field is implementation specific. Do not access directly |
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* or override. Use the accessor methods instead. |
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* |
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* @see #getRenderer |
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* @see #setRenderer |
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*/ |
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protected ListCellRenderer<? super E> renderer; |
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/** |
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* This protected field is implementation specific. Do not access directly |
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* or override. Use the accessor methods instead. |
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* |
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* @see #getEditor |
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* @see #setEditor |
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*/ |
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protected ComboBoxEditor editor; |
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/** |
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* This protected field is implementation specific. Do not access directly |
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* or override. Use the accessor methods instead. |
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* |
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* @see #getMaximumRowCount |
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* @see #setMaximumRowCount |
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*/ |
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protected int maximumRowCount = 8; |
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/** |
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* This protected field is implementation specific. Do not access directly |
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* or override. Use the accessor methods instead. |
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* |
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* @see #isEditable |
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* @see #setEditable |
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*/ |
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protected boolean isEditable = false; |
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/** |
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* This protected field is implementation specific. Do not access directly |
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* or override. Use the accessor methods instead. |
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* |
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* @see #setKeySelectionManager |
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* @see #getKeySelectionManager |
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*/ |
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protected KeySelectionManager keySelectionManager = null; |
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/** |
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* This protected field is implementation specific. Do not access directly |
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* or override. Use the accessor methods instead. |
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* |
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* @see #setActionCommand |
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* @see #getActionCommand |
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*/ |
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protected String actionCommand = "comboBoxChanged"; |
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/** |
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* This protected field is implementation specific. Do not access directly |
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* or override. Use the accessor methods instead. |
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* |
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* @see #setLightWeightPopupEnabled |
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* @see #isLightWeightPopupEnabled |
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*/ |
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protected boolean lightWeightPopupEnabled = JPopupMenu.getDefaultLightWeightPopupEnabled(); |
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/** |
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* This protected field is implementation specific. Do not access directly |
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* or override. |
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*/ |
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protected Object selectedItemReminder = null; |
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private E prototypeDisplayValue; |
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// Flag to ensure that infinite loops do not occur with ActionEvents. |
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private boolean firingActionEvent = false; |
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// Flag to ensure the we don't get multiple ActionEvents on item selection. |
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private boolean selectingItem = false; |
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// Flag to indicate UI update is in progress |
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private transient boolean updateInProgress; |
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/** |
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* Creates a <code>JComboBox</code> that takes its items from an |
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* existing <code>ComboBoxModel</code>. Since the |
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* <code>ComboBoxModel</code> is provided, a combo box created using |
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* this constructor does not create a default combo box model and |
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* may impact how the insert, remove and add methods behave. |
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* |
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* @param aModel the <code>ComboBoxModel</code> that provides the |
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* displayed list of items |
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* @see DefaultComboBoxModel |
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*/ |
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public JComboBox(ComboBoxModel<E> aModel) { |
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super(); |
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setModel(aModel); |
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init(); |
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} |
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/** |
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* Creates a <code>JComboBox</code> that contains the elements |
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* in the specified array. By default the first item in the array |
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* (and therefore the data model) becomes selected. |
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* |
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* @param items an array of objects to insert into the combo box |
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* @see DefaultComboBoxModel |
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*/ |
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public JComboBox(E[] items) { |
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super(); |
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setModel(new DefaultComboBoxModel<E>(items)); |
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init(); |
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} |
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/** |
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* Creates a <code>JComboBox</code> that contains the elements |
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* in the specified Vector. By default the first item in the vector |
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* (and therefore the data model) becomes selected. |
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* |
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* @param items an array of vectors to insert into the combo box |
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* @see DefaultComboBoxModel |
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*/ |
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public JComboBox(Vector<E> items) { |
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super(); |
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setModel(new DefaultComboBoxModel<E>(items)); |
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init(); |
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} |
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/** |
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* Creates a <code>JComboBox</code> with a default data model. |
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* The default data model is an empty list of objects. |
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* Use <code>addItem</code> to add items. By default the first item |
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* in the data model becomes selected. |
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* |
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* @see DefaultComboBoxModel |
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*/ |
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public JComboBox() { |
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super(); |
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setModel(new DefaultComboBoxModel<E>()); |
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init(); |
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} |
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private void init() { |
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installAncestorListener(); |
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setUIProperty("opaque",true); |
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updateUI(); |
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} |
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/** |
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* Registers ancestor listener so that it will receive |
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* {@code AncestorEvents} when it or any of its ancestors |
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* move or are made visible or invisible. |
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* Events are also sent when the component or its ancestors are added |
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* or removed from the containment hierarchy. |
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*/ |
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protected void installAncestorListener() { |
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addAncestorListener(new AncestorListener(){ |
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public void ancestorAdded(AncestorEvent event){ hidePopup();} |
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public void ancestorRemoved(AncestorEvent event){ hidePopup();} |
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public void ancestorMoved(AncestorEvent event){ |
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if (event.getSource() != JComboBox.this) |
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hidePopup(); |
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}}); |
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} |
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/** |
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* Sets the L&F object that renders this component. |
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* |
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* @param ui the <code>ComboBoxUI</code> L&F object |
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* @see UIDefaults#getUI |
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*/ |
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@BeanProperty(hidden = true, visualUpdate = true, description |
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= "The UI object that implements the Component's LookAndFeel.") |
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public void setUI(ComboBoxUI ui) { |
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super.setUI(ui); |
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} |
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/** |
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* Resets the UI property to a value from the current look and feel. |
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* |
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* @see JComponent#updateUI |
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*/ |
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public void updateUI() { |
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if (!updateInProgress) { |
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updateInProgress = true; |
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try { |
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setUI((ComboBoxUI)UIManager.getUI(this)); |
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ListCellRenderer<? super E> renderer = getRenderer(); |
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if (renderer instanceof Component) { |
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SwingUtilities.updateComponentTreeUI((Component)renderer); |
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} |
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} finally { |
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updateInProgress = false; |
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} |
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} |
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} |
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/** |
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* Returns the name of the L&F class that renders this component. |
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* |
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* @return the string "ComboBoxUI" |
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* @see JComponent#getUIClassID |
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* @see UIDefaults#getUI |
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*/ |
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@BeanProperty(bound = false) |
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public String getUIClassID() { |
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return uiClassID; |
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} |
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/** |
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* Returns the L&F object that renders this component. |
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* |
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* @return the ComboBoxUI object that renders this component |
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*/ |
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public ComboBoxUI getUI() { |
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return(ComboBoxUI)ui; |
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} |
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/** |
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* Sets the data model that the <code>JComboBox</code> uses to obtain |
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* the list of items. |
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* |
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* @param aModel the <code>ComboBoxModel</code> that provides the |
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* displayed list of items |
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*/ |
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@BeanProperty(description |
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= "Model that the combo box uses to get data to display.") |
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public void setModel(ComboBoxModel<E> aModel) { |
322 |
ComboBoxModel<E> oldModel = dataModel; |
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if (oldModel != null) { |
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oldModel.removeListDataListener(this); |
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} |
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dataModel = aModel; |
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dataModel.addListDataListener(this); |
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// set the current selected item. |
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selectedItemReminder = dataModel.getSelectedItem(); |
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firePropertyChange( "model", oldModel, dataModel); |
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} |
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/** |
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* Returns the data model currently used by the <code>JComboBox</code>. |
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* |
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* @return the <code>ComboBoxModel</code> that provides the displayed |
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* list of items |
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*/ |
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public ComboBoxModel<E> getModel() { |
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return dataModel; |
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} |
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/* |
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* Properties |
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*/ |
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/** |
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350 |
* Sets the <code>lightWeightPopupEnabled</code> property, which |
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* provides a hint as to whether or not a lightweight |
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* <code>Component</code> should be used to contain the |
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* <code>JComboBox</code>, versus a heavyweight |
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* <code>Component</code> such as a <code>Panel</code> |
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* or a <code>Window</code>. The decision of lightweight |
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* versus heavyweight is ultimately up to the |
|
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* <code>JComboBox</code>. Lightweight windows are more |
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* efficient than heavyweight windows, but lightweight |
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* and heavyweight components do not mix well in a GUI. |
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* If your application mixes lightweight and heavyweight |
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* components, you should disable lightweight popups. |
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* The default value for the <code>lightWeightPopupEnabled</code> |
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* property is <code>true</code>, unless otherwise specified |
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* by the look and feel. Some look and feels always use |
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* heavyweight popups, no matter what the value of this property. |
|
366 |
* <p> |
|
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367 |
* See the article <a href="http://www.oracle.com/technetwork/articles/java/mixing-components-433992.html">Mixing Heavy and Light Components</a> |
2 | 368 |
* This method fires a property changed event. |
369 |
* |
|
370 |
* @param aFlag if <code>true</code>, lightweight popups are desired |
|
371 |
*/ |
|
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|
372 |
@BeanProperty(expert = true, description |
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|
373 |
= "Set to <code>false</code> to require heavyweight popups.") |
2 | 374 |
public void setLightWeightPopupEnabled(boolean aFlag) { |
375 |
boolean oldFlag = lightWeightPopupEnabled; |
|
376 |
lightWeightPopupEnabled = aFlag; |
|
377 |
firePropertyChange("lightWeightPopupEnabled", oldFlag, lightWeightPopupEnabled); |
|
378 |
} |
|
379 |
||
380 |
/** |
|
381 |
* Gets the value of the <code>lightWeightPopupEnabled</code> |
|
382 |
* property. |
|
383 |
* |
|
384 |
* @return the value of the <code>lightWeightPopupEnabled</code> |
|
385 |
* property |
|
386 |
* @see #setLightWeightPopupEnabled |
|
387 |
*/ |
|
388 |
public boolean isLightWeightPopupEnabled() { |
|
389 |
return lightWeightPopupEnabled; |
|
390 |
} |
|
391 |
||
392 |
/** |
|
393 |
* Determines whether the <code>JComboBox</code> field is editable. |
|
394 |
* An editable <code>JComboBox</code> allows the user to type into the |
|
395 |
* field or selected an item from the list to initialize the field, |
|
396 |
* after which it can be edited. (The editing affects only the field, |
|
397 |
* the list item remains intact.) A non editable <code>JComboBox</code> |
|
398 |
* displays the selected item in the field, |
|
399 |
* but the selection cannot be modified. |
|
400 |
* |
|
401 |
* @param aFlag a boolean value, where true indicates that the |
|
402 |
* field is editable |
|
403 |
*/ |
|
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|
404 |
@BeanProperty(preferred = true, description |
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|
405 |
= "If true, the user can type a new value in the combo box.") |
2 | 406 |
public void setEditable(boolean aFlag) { |
407 |
boolean oldFlag = isEditable; |
|
408 |
isEditable = aFlag; |
|
409 |
firePropertyChange( "editable", oldFlag, isEditable ); |
|
410 |
} |
|
411 |
||
412 |
/** |
|
413 |
* Returns true if the <code>JComboBox</code> is editable. |
|
414 |
* By default, a combo box is not editable. |
|
415 |
* |
|
416 |
* @return true if the <code>JComboBox</code> is editable, else false |
|
417 |
*/ |
|
418 |
public boolean isEditable() { |
|
419 |
return isEditable; |
|
420 |
} |
|
421 |
||
422 |
/** |
|
423 |
* Sets the maximum number of rows the <code>JComboBox</code> displays. |
|
424 |
* If the number of objects in the model is greater than count, |
|
425 |
* the combo box uses a scrollbar. |
|
426 |
* |
|
427 |
* @param count an integer specifying the maximum number of items to |
|
428 |
* display in the list before using a scrollbar |
|
429 |
*/ |
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|
430 |
@BeanProperty(preferred = true, description |
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|
431 |
= "The maximum number of rows the popup should have") |
2 | 432 |
public void setMaximumRowCount(int count) { |
433 |
int oldCount = maximumRowCount; |
|
434 |
maximumRowCount = count; |
|
435 |
firePropertyChange( "maximumRowCount", oldCount, maximumRowCount ); |
|
436 |
} |
|
437 |
||
438 |
/** |
|
439 |
* Returns the maximum number of items the combo box can display |
|
440 |
* without a scrollbar |
|
441 |
* |
|
442 |
* @return an integer specifying the maximum number of items that are |
|
443 |
* displayed in the list before using a scrollbar |
|
444 |
*/ |
|
445 |
public int getMaximumRowCount() { |
|
446 |
return maximumRowCount; |
|
447 |
} |
|
448 |
||
449 |
/** |
|
450 |
* Sets the renderer that paints the list items and the item selected from the list in |
|
451 |
* the JComboBox field. The renderer is used if the JComboBox is not |
|
452 |
* editable. If it is editable, the editor is used to render and edit |
|
453 |
* the selected item. |
|
454 |
* <p> |
|
455 |
* The default renderer displays a string or an icon. |
|
456 |
* Other renderers can handle graphic images and composite items. |
|
457 |
* <p> |
|
458 |
* To display the selected item, |
|
459 |
* <code>aRenderer.getListCellRendererComponent</code> |
|
460 |
* is called, passing the list object and an index of -1. |
|
461 |
* |
|
462 |
* @param aRenderer the <code>ListCellRenderer</code> that |
|
463 |
* displays the selected item |
|
464 |
* @see #setEditor |
|
465 |
*/ |
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466 |
@BeanProperty(expert = true, description |
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|
467 |
= "The renderer that paints the item selected in the list.") |
9665 | 468 |
public void setRenderer(ListCellRenderer<? super E> aRenderer) { |
469 |
ListCellRenderer<? super E> oldRenderer = renderer; |
|
2 | 470 |
renderer = aRenderer; |
471 |
firePropertyChange( "renderer", oldRenderer, renderer ); |
|
472 |
invalidate(); |
|
473 |
} |
|
474 |
||
475 |
/** |
|
476 |
* Returns the renderer used to display the selected item in the |
|
477 |
* <code>JComboBox</code> field. |
|
478 |
* |
|
479 |
* @return the <code>ListCellRenderer</code> that displays |
|
480 |
* the selected item. |
|
481 |
*/ |
|
9665 | 482 |
public ListCellRenderer<? super E> getRenderer() { |
2 | 483 |
return renderer; |
484 |
} |
|
485 |
||
486 |
/** |
|
487 |
* Sets the editor used to paint and edit the selected item in the |
|
488 |
* <code>JComboBox</code> field. The editor is used only if the |
|
489 |
* receiving <code>JComboBox</code> is editable. If not editable, |
|
490 |
* the combo box uses the renderer to paint the selected item. |
|
491 |
* |
|
492 |
* @param anEditor the <code>ComboBoxEditor</code> that |
|
493 |
* displays the selected item |
|
494 |
* @see #setRenderer |
|
495 |
*/ |
|
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|
496 |
@BeanProperty(expert = true, description |
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changeset
|
497 |
= "The editor that combo box uses to edit the current value") |
2 | 498 |
public void setEditor(ComboBoxEditor anEditor) { |
499 |
ComboBoxEditor oldEditor = editor; |
|
500 |
||
501 |
if ( editor != null ) { |
|
502 |
editor.removeActionListener(this); |
|
503 |
} |
|
504 |
editor = anEditor; |
|
505 |
if ( editor != null ) { |
|
506 |
editor.addActionListener(this); |
|
507 |
} |
|
508 |
firePropertyChange( "editor", oldEditor, editor ); |
|
509 |
} |
|
510 |
||
511 |
/** |
|
512 |
* Returns the editor used to paint and edit the selected item in the |
|
513 |
* <code>JComboBox</code> field. |
|
514 |
* |
|
515 |
* @return the <code>ComboBoxEditor</code> that displays the selected item |
|
516 |
*/ |
|
517 |
public ComboBoxEditor getEditor() { |
|
518 |
return editor; |
|
519 |
} |
|
520 |
||
521 |
// |
|
522 |
// Selection |
|
523 |
// |
|
524 |
||
525 |
/** |
|
526 |
* Sets the selected item in the combo box display area to the object in |
|
527 |
* the argument. |
|
528 |
* If <code>anObject</code> is in the list, the display area shows |
|
529 |
* <code>anObject</code> selected. |
|
530 |
* <p> |
|
531 |
* If <code>anObject</code> is <i>not</i> in the list and the combo box is |
|
532 |
* uneditable, it will not change the current selection. For editable |
|
533 |
* combo boxes, the selection will change to <code>anObject</code>. |
|
534 |
* <p> |
|
535 |
* If this constitutes a change in the selected item, |
|
536 |
* <code>ItemListener</code>s added to the combo box will be notified with |
|
537 |
* one or two <code>ItemEvent</code>s. |
|
538 |
* If there is a current selected item, an <code>ItemEvent</code> will be |
|
539 |
* fired and the state change will be <code>ItemEvent.DESELECTED</code>. |
|
540 |
* If <code>anObject</code> is in the list and is not currently selected |
|
541 |
* then an <code>ItemEvent</code> will be fired and the state change will |
|
542 |
* be <code>ItemEvent.SELECTED</code>. |
|
543 |
* <p> |
|
544 |
* <code>ActionListener</code>s added to the combo box will be notified |
|
545 |
* with an <code>ActionEvent</code> when this method is called. |
|
546 |
* |
|
547 |
* @param anObject the list object to select; use <code>null</code> to |
|
548 |
clear the selection |
|
549 |
*/ |
|
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|
550 |
@BeanProperty(bound = false, preferred = true, description |
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changeset
|
551 |
= "Sets the selected item in the JComboBox.") |
2 | 552 |
public void setSelectedItem(Object anObject) { |
553 |
Object oldSelection = selectedItemReminder; |
|
554 |
Object objectToSelect = anObject; |
|
555 |
if (oldSelection == null || !oldSelection.equals(anObject)) { |
|
556 |
||
557 |
if (anObject != null && !isEditable()) { |
|
558 |
// For non editable combo boxes, an invalid selection |
|
559 |
// will be rejected. |
|
560 |
boolean found = false; |
|
561 |
for (int i = 0; i < dataModel.getSize(); i++) { |
|
9665 | 562 |
E element = dataModel.getElementAt(i); |
2 | 563 |
if (anObject.equals(element)) { |
564 |
found = true; |
|
565 |
objectToSelect = element; |
|
566 |
break; |
|
567 |
} |
|
568 |
} |
|
569 |
if (!found) { |
|
570 |
return; |
|
571 |
} |
|
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|
572 |
|
06e0b7759125
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|
573 |
getEditor().setItem(anObject); |
2 | 574 |
} |
575 |
||
576 |
// Must toggle the state of this flag since this method |
|
577 |
// call may result in ListDataEvents being fired. |
|
578 |
selectingItem = true; |
|
579 |
dataModel.setSelectedItem(objectToSelect); |
|
580 |
selectingItem = false; |
|
581 |
||
582 |
if (selectedItemReminder != dataModel.getSelectedItem()) { |
|
583 |
// in case a users implementation of ComboBoxModel |
|
584 |
// doesn't fire a ListDataEvent when the selection |
|
585 |
// changes. |
|
586 |
selectedItemChanged(); |
|
587 |
} |
|
588 |
} |
|
589 |
fireActionEvent(); |
|
590 |
} |
|
591 |
||
592 |
/** |
|
593 |
* Returns the current selected item. |
|
594 |
* <p> |
|
595 |
* If the combo box is editable, then this value may not have been added |
|
596 |
* to the combo box with <code>addItem</code>, <code>insertItemAt</code> |
|
597 |
* or the data constructors. |
|
598 |
* |
|
599 |
* @return the current selected Object |
|
600 |
* @see #setSelectedItem |
|
601 |
*/ |
|
602 |
public Object getSelectedItem() { |
|
603 |
return dataModel.getSelectedItem(); |
|
604 |
} |
|
605 |
||
606 |
/** |
|
607 |
* Selects the item at index <code>anIndex</code>. |
|
608 |
* |
|
609 |
* @param anIndex an integer specifying the list item to select, |
|
610 |
* where 0 specifies the first item in the list and -1 indicates no selection |
|
20169 | 611 |
* @exception IllegalArgumentException if <code>anIndex</code> < -1 or |
2 | 612 |
* <code>anIndex</code> is greater than or equal to size |
613 |
*/ |
|
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changeset
|
614 |
@BeanProperty(bound = false, preferred = true, description |
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diff
changeset
|
615 |
= "The item at index is selected.") |
2 | 616 |
public void setSelectedIndex(int anIndex) { |
617 |
int size = dataModel.getSize(); |
|
618 |
||
619 |
if ( anIndex == -1 ) { |
|
620 |
setSelectedItem( null ); |
|
621 |
} else if ( anIndex < -1 || anIndex >= size ) { |
|
622 |
throw new IllegalArgumentException("setSelectedIndex: " + anIndex + " out of bounds"); |
|
623 |
} else { |
|
624 |
setSelectedItem(dataModel.getElementAt(anIndex)); |
|
625 |
} |
|
626 |
} |
|
627 |
||
628 |
/** |
|
629 |
* Returns the first item in the list that matches the given item. |
|
630 |
* The result is not always defined if the <code>JComboBox</code> |
|
631 |
* allows selected items that are not in the list. |
|
632 |
* Returns -1 if there is no selected item or if the user specified |
|
633 |
* an item which is not in the list. |
|
634 |
||
635 |
* @return an integer specifying the currently selected list item, |
|
636 |
* where 0 specifies |
|
637 |
* the first item in the list; |
|
638 |
* or -1 if no item is selected or if |
|
639 |
* the currently selected item is not in the list |
|
640 |
*/ |
|
466
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parents:
2
diff
changeset
|
641 |
@Transient |
2 | 642 |
public int getSelectedIndex() { |
643 |
Object sObject = dataModel.getSelectedItem(); |
|
644 |
int i,c; |
|
9665 | 645 |
E obj; |
2 | 646 |
|
647 |
for ( i=0,c=dataModel.getSize();i<c;i++ ) { |
|
648 |
obj = dataModel.getElementAt(i); |
|
649 |
if ( obj != null && obj.equals(sObject) ) |
|
650 |
return i; |
|
651 |
} |
|
652 |
return -1; |
|
653 |
} |
|
654 |
||
655 |
/** |
|
656 |
* Returns the "prototypical display" value - an Object used |
|
657 |
* for the calculation of the display height and width. |
|
658 |
* |
|
659 |
* @return the value of the <code>prototypeDisplayValue</code> property |
|
660 |
* @see #setPrototypeDisplayValue |
|
661 |
* @since 1.4 |
|
662 |
*/ |
|
9665 | 663 |
public E getPrototypeDisplayValue() { |
2 | 664 |
return prototypeDisplayValue; |
665 |
} |
|
666 |
||
667 |
/** |
|
668 |
* Sets the prototype display value used to calculate the size of the display |
|
669 |
* for the UI portion. |
|
670 |
* <p> |
|
671 |
* If a prototype display value is specified, the preferred size of |
|
672 |
* the combo box is calculated by configuring the renderer with the |
|
673 |
* prototype display value and obtaining its preferred size. Specifying |
|
674 |
* the preferred display value is often useful when the combo box will be |
|
675 |
* displaying large amounts of data. If no prototype display value has |
|
676 |
* been specified, the renderer must be configured for each value from |
|
677 |
* the model and its preferred size obtained, which can be |
|
678 |
* relatively expensive. |
|
679 |
* |
|
22260
c9185e010e03
8031082: Fix non-missing doclint problems in client libraries
darcy
parents:
21278
diff
changeset
|
680 |
* @param prototypeDisplayValue the prototype display value |
2 | 681 |
* @see #getPrototypeDisplayValue |
682 |
* @since 1.4 |
|
683 |
*/ |
|
33253
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diff
changeset
|
684 |
@BeanProperty(visualUpdate = true, description |
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
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parents:
30463
diff
changeset
|
685 |
= "The display prototype value, used to compute display width and height.") |
9665 | 686 |
public void setPrototypeDisplayValue(E prototypeDisplayValue) { |
2 | 687 |
Object oldValue = this.prototypeDisplayValue; |
688 |
this.prototypeDisplayValue = prototypeDisplayValue; |
|
689 |
firePropertyChange("prototypeDisplayValue", oldValue, prototypeDisplayValue); |
|
690 |
} |
|
691 |
||
692 |
/** |
|
693 |
* Adds an item to the item list. |
|
694 |
* This method works only if the <code>JComboBox</code> uses a |
|
695 |
* mutable data model. |
|
696 |
* <p> |
|
697 |
* <strong>Warning:</strong> |
|
698 |
* Focus and keyboard navigation problems may arise if you add duplicate |
|
699 |
* String objects. A workaround is to add new objects instead of String |
|
700 |
* objects and make sure that the toString() method is defined. |
|
701 |
* For example: |
|
702 |
* <pre> |
|
703 |
* comboBox.addItem(makeObj("Item 1")); |
|
704 |
* comboBox.addItem(makeObj("Item 1")); |
|
705 |
* ... |
|
706 |
* private Object makeObj(final String item) { |
|
707 |
* return new Object() { public String toString() { return item; } }; |
|
708 |
* } |
|
709 |
* </pre> |
|
710 |
* |
|
9665 | 711 |
* @param item the item to add to the list |
2 | 712 |
* @see MutableComboBoxModel |
713 |
*/ |
|
9665 | 714 |
public void addItem(E item) { |
2 | 715 |
checkMutableComboBoxModel(); |
9665 | 716 |
((MutableComboBoxModel<E>)dataModel).addElement(item); |
2 | 717 |
} |
718 |
||
719 |
/** |
|
720 |
* Inserts an item into the item list at a given index. |
|
721 |
* This method works only if the <code>JComboBox</code> uses a |
|
722 |
* mutable data model. |
|
723 |
* |
|
9665 | 724 |
* @param item the item to add to the list |
2 | 725 |
* @param index an integer specifying the position at which |
726 |
* to add the item |
|
727 |
* @see MutableComboBoxModel |
|
728 |
*/ |
|
9665 | 729 |
public void insertItemAt(E item, int index) { |
2 | 730 |
checkMutableComboBoxModel(); |
9665 | 731 |
((MutableComboBoxModel<E>)dataModel).insertElementAt(item,index); |
2 | 732 |
} |
733 |
||
734 |
/** |
|
735 |
* Removes an item from the item list. |
|
736 |
* This method works only if the <code>JComboBox</code> uses a |
|
737 |
* mutable data model. |
|
738 |
* |
|
739 |
* @param anObject the object to remove from the item list |
|
740 |
* @see MutableComboBoxModel |
|
741 |
*/ |
|
742 |
public void removeItem(Object anObject) { |
|
743 |
checkMutableComboBoxModel(); |
|
744 |
((MutableComboBoxModel)dataModel).removeElement(anObject); |
|
745 |
} |
|
746 |
||
747 |
/** |
|
748 |
* Removes the item at <code>anIndex</code> |
|
749 |
* This method works only if the <code>JComboBox</code> uses a |
|
750 |
* mutable data model. |
|
751 |
* |
|
752 |
* @param anIndex an int specifying the index of the item to remove, |
|
753 |
* where 0 |
|
754 |
* indicates the first item in the list |
|
755 |
* @see MutableComboBoxModel |
|
756 |
*/ |
|
757 |
public void removeItemAt(int anIndex) { |
|
758 |
checkMutableComboBoxModel(); |
|
9665 | 759 |
((MutableComboBoxModel<E>)dataModel).removeElementAt( anIndex ); |
2 | 760 |
} |
761 |
||
762 |
/** |
|
763 |
* Removes all items from the item list. |
|
764 |
*/ |
|
765 |
public void removeAllItems() { |
|
766 |
checkMutableComboBoxModel(); |
|
9665 | 767 |
MutableComboBoxModel<E> model = (MutableComboBoxModel<E>)dataModel; |
2 | 768 |
int size = model.getSize(); |
769 |
||
770 |
if ( model instanceof DefaultComboBoxModel ) { |
|
771 |
((DefaultComboBoxModel)model).removeAllElements(); |
|
772 |
} |
|
773 |
else { |
|
774 |
for ( int i = 0; i < size; ++i ) { |
|
9665 | 775 |
E element = model.getElementAt( 0 ); |
2 | 776 |
model.removeElement( element ); |
777 |
} |
|
778 |
} |
|
779 |
selectedItemReminder = null; |
|
780 |
if (isEditable()) { |
|
781 |
editor.setItem(null); |
|
782 |
} |
|
783 |
} |
|
784 |
||
785 |
/** |
|
786 |
* Checks that the <code>dataModel</code> is an instance of |
|
787 |
* <code>MutableComboBoxModel</code>. If not, it throws an exception. |
|
788 |
* @exception RuntimeException if <code>dataModel</code> is not an |
|
789 |
* instance of <code>MutableComboBoxModel</code>. |
|
790 |
*/ |
|
791 |
void checkMutableComboBoxModel() { |
|
792 |
if ( !(dataModel instanceof MutableComboBoxModel) ) |
|
793 |
throw new RuntimeException("Cannot use this method with a non-Mutable data model."); |
|
794 |
} |
|
795 |
||
796 |
/** |
|
797 |
* Causes the combo box to display its popup window. |
|
798 |
* @see #setPopupVisible |
|
799 |
*/ |
|
800 |
public void showPopup() { |
|
801 |
setPopupVisible(true); |
|
802 |
} |
|
803 |
||
804 |
/** |
|
805 |
* Causes the combo box to close its popup window. |
|
806 |
* @see #setPopupVisible |
|
807 |
*/ |
|
808 |
public void hidePopup() { |
|
809 |
setPopupVisible(false); |
|
810 |
} |
|
811 |
||
812 |
/** |
|
813 |
* Sets the visibility of the popup. |
|
24982
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|
814 |
* |
37fe99dfd9e9
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diff
changeset
|
815 |
* @param v if {@code true} shows the popup, otherwise, hides the popup. |
2 | 816 |
*/ |
817 |
public void setPopupVisible(boolean v) { |
|
818 |
getUI().setPopupVisible(this, v); |
|
819 |
} |
|
820 |
||
821 |
/** |
|
822 |
* Determines the visibility of the popup. |
|
823 |
* |
|
824 |
* @return true if the popup is visible, otherwise returns false |
|
825 |
*/ |
|
826 |
public boolean isPopupVisible() { |
|
827 |
return getUI().isPopupVisible(this); |
|
828 |
} |
|
829 |
||
830 |
/** Selection **/ |
|
831 |
||
832 |
/** |
|
833 |
* Adds an <code>ItemListener</code>. |
|
834 |
* <p> |
|
835 |
* <code>aListener</code> will receive one or two <code>ItemEvent</code>s when |
|
836 |
* the selected item changes. |
|
837 |
* |
|
838 |
* @param aListener the <code>ItemListener</code> that is to be notified |
|
839 |
* @see #setSelectedItem |
|
840 |
*/ |
|
841 |
public void addItemListener(ItemListener aListener) { |
|
842 |
listenerList.add(ItemListener.class,aListener); |
|
843 |
} |
|
844 |
||
845 |
/** Removes an <code>ItemListener</code>. |
|
846 |
* |
|
847 |
* @param aListener the <code>ItemListener</code> to remove |
|
848 |
*/ |
|
849 |
public void removeItemListener(ItemListener aListener) { |
|
850 |
listenerList.remove(ItemListener.class,aListener); |
|
851 |
} |
|
852 |
||
853 |
/** |
|
854 |
* Returns an array of all the <code>ItemListener</code>s added |
|
855 |
* to this JComboBox with addItemListener(). |
|
856 |
* |
|
857 |
* @return all of the <code>ItemListener</code>s added or an empty |
|
858 |
* array if no listeners have been added |
|
859 |
* @since 1.4 |
|
860 |
*/ |
|
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changeset
|
861 |
@BeanProperty(bound = false) |
2 | 862 |
public ItemListener[] getItemListeners() { |
1301
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changeset
|
863 |
return listenerList.getListeners(ItemListener.class); |
2 | 864 |
} |
865 |
||
866 |
/** |
|
867 |
* Adds an <code>ActionListener</code>. |
|
868 |
* <p> |
|
869 |
* The <code>ActionListener</code> will receive an <code>ActionEvent</code> |
|
870 |
* when a selection has been made. If the combo box is editable, then |
|
871 |
* an <code>ActionEvent</code> will be fired when editing has stopped. |
|
872 |
* |
|
873 |
* @param l the <code>ActionListener</code> that is to be notified |
|
874 |
* @see #setSelectedItem |
|
875 |
*/ |
|
876 |
public void addActionListener(ActionListener l) { |
|
877 |
listenerList.add(ActionListener.class,l); |
|
878 |
} |
|
879 |
||
880 |
/** Removes an <code>ActionListener</code>. |
|
881 |
* |
|
882 |
* @param l the <code>ActionListener</code> to remove |
|
883 |
*/ |
|
884 |
public void removeActionListener(ActionListener l) { |
|
885 |
if ((l != null) && (getAction() == l)) { |
|
886 |
setAction(null); |
|
887 |
} else { |
|
888 |
listenerList.remove(ActionListener.class, l); |
|
889 |
} |
|
890 |
} |
|
891 |
||
892 |
/** |
|
893 |
* Returns an array of all the <code>ActionListener</code>s added |
|
894 |
* to this JComboBox with addActionListener(). |
|
895 |
* |
|
896 |
* @return all of the <code>ActionListener</code>s added or an empty |
|
897 |
* array if no listeners have been added |
|
898 |
* @since 1.4 |
|
899 |
*/ |
|
33253
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4763438: Replace uses of @beaninfo with meta facility in core j2se
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parents:
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diff
changeset
|
900 |
@BeanProperty(bound = false) |
2 | 901 |
public ActionListener[] getActionListeners() { |
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
466
diff
changeset
|
902 |
return listenerList.getListeners(ActionListener.class); |
2 | 903 |
} |
904 |
||
905 |
/** |
|
906 |
* Adds a <code>PopupMenu</code> listener which will listen to notification |
|
907 |
* messages from the popup portion of the combo box. |
|
908 |
* <p> |
|
909 |
* For all standard look and feels shipped with Java, the popup list |
|
910 |
* portion of combo box is implemented as a <code>JPopupMenu</code>. |
|
911 |
* A custom look and feel may not implement it this way and will |
|
912 |
* therefore not receive the notification. |
|
913 |
* |
|
914 |
* @param l the <code>PopupMenuListener</code> to add |
|
915 |
* @since 1.4 |
|
916 |
*/ |
|
917 |
public void addPopupMenuListener(PopupMenuListener l) { |
|
918 |
listenerList.add(PopupMenuListener.class,l); |
|
919 |
} |
|
920 |
||
921 |
/** |
|
922 |
* Removes a <code>PopupMenuListener</code>. |
|
923 |
* |
|
924 |
* @param l the <code>PopupMenuListener</code> to remove |
|
925 |
* @see #addPopupMenuListener |
|
926 |
* @since 1.4 |
|
927 |
*/ |
|
928 |
public void removePopupMenuListener(PopupMenuListener l) { |
|
929 |
listenerList.remove(PopupMenuListener.class,l); |
|
930 |
} |
|
931 |
||
932 |
/** |
|
933 |
* Returns an array of all the <code>PopupMenuListener</code>s added |
|
934 |
* to this JComboBox with addPopupMenuListener(). |
|
935 |
* |
|
936 |
* @return all of the <code>PopupMenuListener</code>s added or an empty |
|
937 |
* array if no listeners have been added |
|
938 |
* @since 1.4 |
|
939 |
*/ |
|
33253
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4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
940 |
@BeanProperty(bound = false) |
2 | 941 |
public PopupMenuListener[] getPopupMenuListeners() { |
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
466
diff
changeset
|
942 |
return listenerList.getListeners(PopupMenuListener.class); |
2 | 943 |
} |
944 |
||
945 |
/** |
|
946 |
* Notifies <code>PopupMenuListener</code>s that the popup portion of the |
|
947 |
* combo box will become visible. |
|
948 |
* <p> |
|
949 |
* This method is public but should not be called by anything other than |
|
950 |
* the UI delegate. |
|
951 |
* @see #addPopupMenuListener |
|
952 |
* @since 1.4 |
|
953 |
*/ |
|
954 |
public void firePopupMenuWillBecomeVisible() { |
|
955 |
Object[] listeners = listenerList.getListenerList(); |
|
956 |
PopupMenuEvent e=null; |
|
957 |
for (int i = listeners.length-2; i>=0; i-=2) { |
|
958 |
if (listeners[i]==PopupMenuListener.class) { |
|
959 |
if (e == null) |
|
960 |
e = new PopupMenuEvent(this); |
|
961 |
((PopupMenuListener)listeners[i+1]).popupMenuWillBecomeVisible(e); |
|
962 |
} |
|
963 |
} |
|
964 |
} |
|
965 |
||
966 |
/** |
|
967 |
* Notifies <code>PopupMenuListener</code>s that the popup portion of the |
|
968 |
* combo box has become invisible. |
|
969 |
* <p> |
|
970 |
* This method is public but should not be called by anything other than |
|
971 |
* the UI delegate. |
|
972 |
* @see #addPopupMenuListener |
|
973 |
* @since 1.4 |
|
974 |
*/ |
|
975 |
public void firePopupMenuWillBecomeInvisible() { |
|
976 |
Object[] listeners = listenerList.getListenerList(); |
|
977 |
PopupMenuEvent e=null; |
|
978 |
for (int i = listeners.length-2; i>=0; i-=2) { |
|
979 |
if (listeners[i]==PopupMenuListener.class) { |
|
980 |
if (e == null) |
|
981 |
e = new PopupMenuEvent(this); |
|
982 |
((PopupMenuListener)listeners[i+1]).popupMenuWillBecomeInvisible(e); |
|
983 |
} |
|
984 |
} |
|
985 |
} |
|
986 |
||
987 |
/** |
|
988 |
* Notifies <code>PopupMenuListener</code>s that the popup portion of the |
|
989 |
* combo box has been canceled. |
|
990 |
* <p> |
|
991 |
* This method is public but should not be called by anything other than |
|
992 |
* the UI delegate. |
|
993 |
* @see #addPopupMenuListener |
|
994 |
* @since 1.4 |
|
995 |
*/ |
|
996 |
public void firePopupMenuCanceled() { |
|
997 |
Object[] listeners = listenerList.getListenerList(); |
|
998 |
PopupMenuEvent e=null; |
|
999 |
for (int i = listeners.length-2; i>=0; i-=2) { |
|
1000 |
if (listeners[i]==PopupMenuListener.class) { |
|
1001 |
if (e == null) |
|
1002 |
e = new PopupMenuEvent(this); |
|
1003 |
((PopupMenuListener)listeners[i+1]).popupMenuCanceled(e); |
|
1004 |
} |
|
1005 |
} |
|
1006 |
} |
|
1007 |
||
1008 |
/** |
|
1009 |
* Sets the action command that should be included in the event |
|
1010 |
* sent to action listeners. |
|
1011 |
* |
|
1012 |
* @param aCommand a string containing the "command" that is sent |
|
1013 |
* to action listeners; the same listener can then |
|
1014 |
* do different things depending on the command it |
|
1015 |
* receives |
|
1016 |
*/ |
|
1017 |
public void setActionCommand(String aCommand) { |
|
1018 |
actionCommand = aCommand; |
|
1019 |
} |
|
1020 |
||
1021 |
/** |
|
1022 |
* Returns the action command that is included in the event sent to |
|
1023 |
* action listeners. |
|
1024 |
* |
|
1025 |
* @return the string containing the "command" that is sent |
|
1026 |
* to action listeners. |
|
1027 |
*/ |
|
1028 |
public String getActionCommand() { |
|
1029 |
return actionCommand; |
|
1030 |
} |
|
1031 |
||
1032 |
private Action action; |
|
1033 |
private PropertyChangeListener actionPropertyChangeListener; |
|
1034 |
||
1035 |
/** |
|
1036 |
* Sets the <code>Action</code> for the <code>ActionEvent</code> source. |
|
1037 |
* The new <code>Action</code> replaces any previously set |
|
1038 |
* <code>Action</code> but does not affect <code>ActionListeners</code> |
|
1039 |
* independently added with <code>addActionListener</code>. |
|
1040 |
* If the <code>Action</code> is already a registered |
|
1041 |
* <code>ActionListener</code> for the <code>ActionEvent</code> source, |
|
1042 |
* it is not re-registered. |
|
1043 |
* <p> |
|
1044 |
* Setting the <code>Action</code> results in immediately changing |
|
1045 |
* all the properties described in <a href="Action.html#buttonActions"> |
|
1046 |
* Swing Components Supporting <code>Action</code></a>. |
|
1047 |
* Subsequently, the combobox's properties are automatically updated |
|
1048 |
* as the <code>Action</code>'s properties change. |
|
1049 |
* <p> |
|
1050 |
* This method uses three other methods to set |
|
1051 |
* and help track the <code>Action</code>'s property values. |
|
1052 |
* It uses the <code>configurePropertiesFromAction</code> method |
|
1053 |
* to immediately change the combobox's properties. |
|
1054 |
* To track changes in the <code>Action</code>'s property values, |
|
1055 |
* this method registers the <code>PropertyChangeListener</code> |
|
1056 |
* returned by <code>createActionPropertyChangeListener</code>. The |
|
1057 |
* default {@code PropertyChangeListener} invokes the |
|
1058 |
* {@code actionPropertyChanged} method when a property in the |
|
1059 |
* {@code Action} changes. |
|
1060 |
* |
|
1061 |
* @param a the <code>Action</code> for the <code>JComboBox</code>, |
|
1062 |
* or <code>null</code>. |
|
1063 |
* @since 1.3 |
|
1064 |
* @see Action |
|
1065 |
* @see #getAction |
|
1066 |
* @see #configurePropertiesFromAction |
|
1067 |
* @see #createActionPropertyChangeListener |
|
1068 |
* @see #actionPropertyChanged |
|
1069 |
*/ |
|
33253
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
1070 |
@BeanProperty(visualUpdate = true, description |
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
1071 |
= "the Action instance connected with this ActionEvent source") |
2 | 1072 |
public void setAction(Action a) { |
1073 |
Action oldValue = getAction(); |
|
1074 |
if (action==null || !action.equals(a)) { |
|
1075 |
action = a; |
|
1076 |
if (oldValue!=null) { |
|
1077 |
removeActionListener(oldValue); |
|
1078 |
oldValue.removePropertyChangeListener(actionPropertyChangeListener); |
|
1079 |
actionPropertyChangeListener = null; |
|
1080 |
} |
|
1081 |
configurePropertiesFromAction(action); |
|
1082 |
if (action!=null) { |
|
1083 |
// Don't add if it is already a listener |
|
1084 |
if (!isListener(ActionListener.class, action)) { |
|
1085 |
addActionListener(action); |
|
1086 |
} |
|
1087 |
// Reverse linkage: |
|
1088 |
actionPropertyChangeListener = createActionPropertyChangeListener(action); |
|
1089 |
action.addPropertyChangeListener(actionPropertyChangeListener); |
|
1090 |
} |
|
1091 |
firePropertyChange("action", oldValue, action); |
|
1092 |
} |
|
1093 |
} |
|
1094 |
||
25565
ce603b34c98d
8043548: Fix raw and unchecked lint warnings in javax.swing.plaf.*
darcy
parents:
25201
diff
changeset
|
1095 |
private boolean isListener(Class<?> c, ActionListener a) { |
2 | 1096 |
boolean isListener = false; |
1097 |
Object[] listeners = listenerList.getListenerList(); |
|
1098 |
for (int i = listeners.length-2; i>=0; i-=2) { |
|
1099 |
if (listeners[i]==c && listeners[i+1]==a) { |
|
1100 |
isListener=true; |
|
1101 |
} |
|
1102 |
} |
|
1103 |
return isListener; |
|
1104 |
} |
|
1105 |
||
1106 |
/** |
|
1107 |
* Returns the currently set <code>Action</code> for this |
|
1108 |
* <code>ActionEvent</code> source, or <code>null</code> if no |
|
1109 |
* <code>Action</code> is set. |
|
1110 |
* |
|
1111 |
* @return the <code>Action</code> for this <code>ActionEvent</code> |
|
1112 |
* source; or <code>null</code> |
|
1113 |
* @since 1.3 |
|
1114 |
* @see Action |
|
1115 |
* @see #setAction |
|
1116 |
*/ |
|
1117 |
public Action getAction() { |
|
1118 |
return action; |
|
1119 |
} |
|
1120 |
||
1121 |
/** |
|
1122 |
* Sets the properties on this combobox to match those in the specified |
|
1123 |
* <code>Action</code>. Refer to <a href="Action.html#buttonActions"> |
|
1124 |
* Swing Components Supporting <code>Action</code></a> for more |
|
1125 |
* details as to which properties this sets. |
|
1126 |
* |
|
1127 |
* @param a the <code>Action</code> from which to get the properties, |
|
1128 |
* or <code>null</code> |
|
1129 |
* @since 1.3 |
|
1130 |
* @see Action |
|
1131 |
* @see #setAction |
|
1132 |
*/ |
|
1133 |
protected void configurePropertiesFromAction(Action a) { |
|
1134 |
AbstractAction.setEnabledFromAction(this, a); |
|
1135 |
AbstractAction.setToolTipTextFromAction(this, a); |
|
1136 |
setActionCommandFromAction(a); |
|
1137 |
} |
|
1138 |
||
1139 |
/** |
|
1140 |
* Creates and returns a <code>PropertyChangeListener</code> that is |
|
1141 |
* responsible for listening for changes from the specified |
|
1142 |
* <code>Action</code> and updating the appropriate properties. |
|
1143 |
* <p> |
|
1144 |
* <b>Warning:</b> If you subclass this do not create an anonymous |
|
1145 |
* inner class. If you do the lifetime of the combobox will be tied to |
|
1146 |
* that of the <code>Action</code>. |
|
1147 |
* |
|
1148 |
* @param a the combobox's action |
|
24982
37fe99dfd9e9
8046595: fix doclint issues in swing classes, part 2 of 4
yan
parents:
23715
diff
changeset
|
1149 |
* @return the {@code PropertyChangeListener} |
2 | 1150 |
* @since 1.3 |
1151 |
* @see Action |
|
1152 |
* @see #setAction |
|
1153 |
*/ |
|
1154 |
protected PropertyChangeListener createActionPropertyChangeListener(Action a) { |
|
1155 |
return new ComboBoxActionPropertyChangeListener(this, a); |
|
1156 |
} |
|
1157 |
||
1158 |
/** |
|
1159 |
* Updates the combobox's state in response to property changes in |
|
1160 |
* associated action. This method is invoked from the |
|
1161 |
* {@code PropertyChangeListener} returned from |
|
1162 |
* {@code createActionPropertyChangeListener}. Subclasses do not normally |
|
1163 |
* need to invoke this. Subclasses that support additional {@code Action} |
|
1164 |
* properties should override this and |
|
1165 |
* {@code configurePropertiesFromAction}. |
|
1166 |
* <p> |
|
1167 |
* Refer to the table at <a href="Action.html#buttonActions"> |
|
1168 |
* Swing Components Supporting <code>Action</code></a> for a list of |
|
1169 |
* the properties this method sets. |
|
1170 |
* |
|
1171 |
* @param action the <code>Action</code> associated with this combobox |
|
1172 |
* @param propertyName the name of the property that changed |
|
1173 |
* @since 1.6 |
|
1174 |
* @see Action |
|
1175 |
* @see #configurePropertiesFromAction |
|
1176 |
*/ |
|
1177 |
protected void actionPropertyChanged(Action action, String propertyName) { |
|
1178 |
if (propertyName == Action.ACTION_COMMAND_KEY) { |
|
1179 |
setActionCommandFromAction(action); |
|
1180 |
} else if (propertyName == "enabled") { |
|
1181 |
AbstractAction.setEnabledFromAction(this, action); |
|
1182 |
} else if (Action.SHORT_DESCRIPTION == propertyName) { |
|
1183 |
AbstractAction.setToolTipTextFromAction(this, action); |
|
1184 |
} |
|
1185 |
} |
|
1186 |
||
1187 |
private void setActionCommandFromAction(Action a) { |
|
1188 |
setActionCommand((a != null) ? |
|
1189 |
(String)a.getValue(Action.ACTION_COMMAND_KEY) : |
|
1190 |
null); |
|
1191 |
} |
|
1192 |
||
1193 |
||
1194 |
private static class ComboBoxActionPropertyChangeListener |
|
9665 | 1195 |
extends ActionPropertyChangeListener<JComboBox<?>> { |
1196 |
ComboBoxActionPropertyChangeListener(JComboBox<?> b, Action a) { |
|
2 | 1197 |
super(b, a); |
1198 |
} |
|
9665 | 1199 |
protected void actionPropertyChanged(JComboBox<?> cb, |
2 | 1200 |
Action action, |
1201 |
PropertyChangeEvent e) { |
|
1202 |
if (AbstractAction.shouldReconfigure(e)) { |
|
1203 |
cb.configurePropertiesFromAction(action); |
|
1204 |
} else { |
|
1205 |
cb.actionPropertyChanged(action, e.getPropertyName()); |
|
1206 |
} |
|
1207 |
} |
|
1208 |
} |
|
1209 |
||
1210 |
/** |
|
1211 |
* Notifies all listeners that have registered interest for |
|
1212 |
* notification on this event type. |
|
1213 |
* @param e the event of interest |
|
1214 |
* |
|
1215 |
* @see EventListenerList |
|
1216 |
*/ |
|
1217 |
protected void fireItemStateChanged(ItemEvent e) { |
|
1218 |
// Guaranteed to return a non-null array |
|
1219 |
Object[] listeners = listenerList.getListenerList(); |
|
1220 |
// Process the listeners last to first, notifying |
|
1221 |
// those that are interested in this event |
|
1222 |
for ( int i = listeners.length-2; i>=0; i-=2 ) { |
|
1223 |
if ( listeners[i]==ItemListener.class ) { |
|
1224 |
// Lazily create the event: |
|
1225 |
// if (changeEvent == null) |
|
1226 |
// changeEvent = new ChangeEvent(this); |
|
1227 |
((ItemListener)listeners[i+1]).itemStateChanged(e); |
|
1228 |
} |
|
1229 |
} |
|
1230 |
} |
|
1231 |
||
1232 |
/** |
|
1233 |
* Notifies all listeners that have registered interest for |
|
1234 |
* notification on this event type. |
|
1235 |
* |
|
1236 |
* @see EventListenerList |
|
1237 |
*/ |
|
43722
25ba19c20260
8143077: Deprecate InputEvent._MASK in favor of InputEvent._DOWN_MASK
serb
parents:
39858
diff
changeset
|
1238 |
@SuppressWarnings("deprecation") |
2 | 1239 |
protected void fireActionEvent() { |
1240 |
if (!firingActionEvent) { |
|
1241 |
// Set flag to ensure that an infinite loop is not created |
|
1242 |
firingActionEvent = true; |
|
1243 |
ActionEvent e = null; |
|
1244 |
// Guaranteed to return a non-null array |
|
1245 |
Object[] listeners = listenerList.getListenerList(); |
|
1246 |
long mostRecentEventTime = EventQueue.getMostRecentEventTime(); |
|
1247 |
int modifiers = 0; |
|
1248 |
AWTEvent currentEvent = EventQueue.getCurrentEvent(); |
|
1249 |
if (currentEvent instanceof InputEvent) { |
|
1250 |
modifiers = ((InputEvent)currentEvent).getModifiers(); |
|
1251 |
} else if (currentEvent instanceof ActionEvent) { |
|
1252 |
modifiers = ((ActionEvent)currentEvent).getModifiers(); |
|
1253 |
} |
|
39521
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1254 |
try { |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1255 |
// Process the listeners last to first, notifying |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1256 |
// those that are interested in this event |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1257 |
for ( int i = listeners.length-2; i>=0; i-=2 ) { |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1258 |
if ( listeners[i]==ActionListener.class ) { |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1259 |
// Lazily create the event: |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1260 |
if ( e == null ) |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1261 |
e = new ActionEvent(this,ActionEvent.ACTION_PERFORMED, |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1262 |
getActionCommand(), |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1263 |
mostRecentEventTime, modifiers); |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1264 |
((ActionListener)listeners[i+1]).actionPerformed(e); |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1265 |
} |
2 | 1266 |
} |
39521
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1267 |
} finally { |
c169f36c9a4b
8041909: Uncaught exceptions in JComboBox listeners cause listener not to receive events
aghaisas
parents:
33253
diff
changeset
|
1268 |
firingActionEvent = false; |
2 | 1269 |
} |
1270 |
} |
|
1271 |
} |
|
1272 |
||
1273 |
/** |
|
1274 |
* This protected method is implementation specific. Do not access directly |
|
1275 |
* or override. |
|
1276 |
*/ |
|
1277 |
protected void selectedItemChanged() { |
|
1278 |
if (selectedItemReminder != null ) { |
|
1279 |
fireItemStateChanged(new ItemEvent(this,ItemEvent.ITEM_STATE_CHANGED, |
|
1280 |
selectedItemReminder, |
|
1281 |
ItemEvent.DESELECTED)); |
|
1282 |
} |
|
1283 |
||
1284 |
// set the new selected item. |
|
1285 |
selectedItemReminder = dataModel.getSelectedItem(); |
|
1286 |
||
1287 |
if (selectedItemReminder != null ) { |
|
1288 |
fireItemStateChanged(new ItemEvent(this,ItemEvent.ITEM_STATE_CHANGED, |
|
1289 |
selectedItemReminder, |
|
1290 |
ItemEvent.SELECTED)); |
|
1291 |
} |
|
1292 |
} |
|
1293 |
||
1294 |
/** |
|
1295 |
* Returns an array containing the selected item. |
|
1296 |
* This method is implemented for compatibility with |
|
1297 |
* <code>ItemSelectable</code>. |
|
1298 |
* |
|
1299 |
* @return an array of <code>Objects</code> containing one |
|
1300 |
* element -- the selected item |
|
1301 |
*/ |
|
33253
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
1302 |
@BeanProperty(bound = false) |
2 | 1303 |
public Object[] getSelectedObjects() { |
1304 |
Object selectedObject = getSelectedItem(); |
|
1305 |
if ( selectedObject == null ) |
|
1306 |
return new Object[0]; |
|
1307 |
else { |
|
1308 |
Object result[] = new Object[1]; |
|
1309 |
result[0] = selectedObject; |
|
1310 |
return result; |
|
1311 |
} |
|
1312 |
} |
|
1313 |
||
1314 |
/** |
|
1315 |
* This method is public as an implementation side effect. |
|
1316 |
* do not call or override. |
|
1317 |
*/ |
|
1318 |
public void actionPerformed(ActionEvent e) { |
|
30463
06e0b7759125
8072767: DefaultCellEditor for comboBox creates ActionEvent with wrong source object
alexsch
parents:
28089
diff
changeset
|
1319 |
setPopupVisible(false); |
06e0b7759125
8072767: DefaultCellEditor for comboBox creates ActionEvent with wrong source object
alexsch
parents:
28089
diff
changeset
|
1320 |
getModel().setSelectedItem(getEditor().getItem()); |
06e0b7759125
8072767: DefaultCellEditor for comboBox creates ActionEvent with wrong source object
alexsch
parents:
28089
diff
changeset
|
1321 |
String oldCommand = getActionCommand(); |
06e0b7759125
8072767: DefaultCellEditor for comboBox creates ActionEvent with wrong source object
alexsch
parents:
28089
diff
changeset
|
1322 |
setActionCommand("comboBoxEdited"); |
06e0b7759125
8072767: DefaultCellEditor for comboBox creates ActionEvent with wrong source object
alexsch
parents:
28089
diff
changeset
|
1323 |
fireActionEvent(); |
06e0b7759125
8072767: DefaultCellEditor for comboBox creates ActionEvent with wrong source object
alexsch
parents:
28089
diff
changeset
|
1324 |
setActionCommand(oldCommand); |
2 | 1325 |
} |
1326 |
||
1327 |
/** |
|
1328 |
* This method is public as an implementation side effect. |
|
1329 |
* do not call or override. |
|
1330 |
*/ |
|
1331 |
public void contentsChanged(ListDataEvent e) { |
|
1332 |
Object oldSelection = selectedItemReminder; |
|
1333 |
Object newSelection = dataModel.getSelectedItem(); |
|
1334 |
if (oldSelection == null || !oldSelection.equals(newSelection)) { |
|
1335 |
selectedItemChanged(); |
|
1336 |
if (!selectingItem) { |
|
1337 |
fireActionEvent(); |
|
1338 |
} |
|
1339 |
} |
|
1340 |
} |
|
1341 |
||
1342 |
/** |
|
1343 |
* This method is public as an implementation side effect. |
|
1344 |
* do not call or override. |
|
1345 |
*/ |
|
1346 |
public void intervalAdded(ListDataEvent e) { |
|
1347 |
if (selectedItemReminder != dataModel.getSelectedItem()) { |
|
1348 |
selectedItemChanged(); |
|
1349 |
} |
|
1350 |
} |
|
1351 |
||
1352 |
/** |
|
1353 |
* This method is public as an implementation side effect. |
|
1354 |
* do not call or override. |
|
1355 |
*/ |
|
1356 |
public void intervalRemoved(ListDataEvent e) { |
|
1357 |
contentsChanged(e); |
|
1358 |
} |
|
1359 |
||
1360 |
/** |
|
1361 |
* Selects the list item that corresponds to the specified keyboard |
|
1362 |
* character and returns true, if there is an item corresponding |
|
1363 |
* to that character. Otherwise, returns false. |
|
1364 |
* |
|
1365 |
* @param keyChar a char, typically this is a keyboard key |
|
1366 |
* typed by the user |
|
24982
37fe99dfd9e9
8046595: fix doclint issues in swing classes, part 2 of 4
yan
parents:
23715
diff
changeset
|
1367 |
* @return {@code true} if there is an item corresponding to that character. |
37fe99dfd9e9
8046595: fix doclint issues in swing classes, part 2 of 4
yan
parents:
23715
diff
changeset
|
1368 |
* Otherwise, returns {@code false}. |
2 | 1369 |
*/ |
1370 |
public boolean selectWithKeyChar(char keyChar) { |
|
1371 |
int index; |
|
1372 |
||
1373 |
if ( keySelectionManager == null ) |
|
1374 |
keySelectionManager = createDefaultKeySelectionManager(); |
|
1375 |
||
1376 |
index = keySelectionManager.selectionForKey(keyChar,getModel()); |
|
1377 |
if ( index != -1 ) { |
|
1378 |
setSelectedIndex(index); |
|
1379 |
return true; |
|
1380 |
} |
|
1381 |
else |
|
1382 |
return false; |
|
1383 |
} |
|
1384 |
||
1385 |
/** |
|
1386 |
* Enables the combo box so that items can be selected. When the |
|
1387 |
* combo box is disabled, items cannot be selected and values |
|
1388 |
* cannot be typed into its field (if it is editable). |
|
1389 |
* |
|
1390 |
* @param b a boolean value, where true enables the component and |
|
1391 |
* false disables it |
|
1392 |
*/ |
|
33253
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
1393 |
@BeanProperty(preferred = true, description |
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
1394 |
= "The enabled state of the component.") |
2 | 1395 |
public void setEnabled(boolean b) { |
1396 |
super.setEnabled(b); |
|
1397 |
firePropertyChange( "enabled", !isEnabled(), isEnabled() ); |
|
1398 |
} |
|
1399 |
||
1400 |
/** |
|
1401 |
* Initializes the editor with the specified item. |
|
1402 |
* |
|
1403 |
* @param anEditor the <code>ComboBoxEditor</code> that displays |
|
1404 |
* the list item in the |
|
1405 |
* combo box field and allows it to be edited |
|
1406 |
* @param anItem the object to display and edit in the field |
|
1407 |
*/ |
|
1408 |
public void configureEditor(ComboBoxEditor anEditor, Object anItem) { |
|
1409 |
anEditor.setItem(anItem); |
|
1410 |
} |
|
1411 |
||
1412 |
/** |
|
1413 |
* Handles <code>KeyEvent</code>s, looking for the Tab key. |
|
1414 |
* If the Tab key is found, the popup window is closed. |
|
1415 |
* |
|
1416 |
* @param e the <code>KeyEvent</code> containing the keyboard |
|
1417 |
* key that was pressed |
|
1418 |
*/ |
|
1419 |
public void processKeyEvent(KeyEvent e) { |
|
1420 |
if ( e.getKeyCode() == KeyEvent.VK_TAB ) { |
|
1421 |
hidePopup(); |
|
1422 |
} |
|
1423 |
super.processKeyEvent(e); |
|
1424 |
} |
|
1425 |
||
1426 |
/** |
|
23689
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1427 |
* {@inheritDoc} |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1428 |
*/ |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1429 |
@Override |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1430 |
protected boolean processKeyBinding(KeyStroke ks, KeyEvent e, int condition, boolean pressed) { |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1431 |
if (super.processKeyBinding(ks, e, condition, pressed)) { |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1432 |
return true; |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1433 |
} |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1434 |
|
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1435 |
if (!isEditable() || condition != WHEN_FOCUSED || getEditor() == null |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1436 |
|| !Boolean.TRUE.equals(getClientProperty("JComboBox.isTableCellEditor"))) { |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1437 |
return false; |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1438 |
} |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1439 |
|
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1440 |
Component editorComponent = getEditor().getEditorComponent(); |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1441 |
if (editorComponent instanceof JComponent) { |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1442 |
JComponent component = (JComponent) editorComponent; |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1443 |
return component.processKeyBinding(ks, e, WHEN_FOCUSED, pressed); |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1444 |
} |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1445 |
return false; |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1446 |
} |
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1447 |
|
5571891e9b68
8032878: Editable combos in table do not behave as expected
alitvinov
parents:
22574
diff
changeset
|
1448 |
/** |
2 | 1449 |
* Sets the object that translates a keyboard character into a list |
1450 |
* selection. Typically, the first selection with a matching first |
|
1451 |
* character becomes the selected item. |
|
1452 |
* |
|
24982
37fe99dfd9e9
8046595: fix doclint issues in swing classes, part 2 of 4
yan
parents:
23715
diff
changeset
|
1453 |
* @param aManager a key selection manager |
2 | 1454 |
*/ |
33253
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
1455 |
@BeanProperty(bound = false, expert = true, description |
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
1456 |
= "The objects that changes the selection when a key is pressed.") |
2 | 1457 |
public void setKeySelectionManager(KeySelectionManager aManager) { |
1458 |
keySelectionManager = aManager; |
|
1459 |
} |
|
1460 |
||
1461 |
/** |
|
1462 |
* Returns the list's key-selection manager. |
|
1463 |
* |
|
1464 |
* @return the <code>KeySelectionManager</code> currently in use |
|
1465 |
*/ |
|
1466 |
public KeySelectionManager getKeySelectionManager() { |
|
1467 |
return keySelectionManager; |
|
1468 |
} |
|
1469 |
||
1470 |
/* Accessing the model */ |
|
1471 |
/** |
|
1472 |
* Returns the number of items in the list. |
|
1473 |
* |
|
1474 |
* @return an integer equal to the number of items in the list |
|
1475 |
*/ |
|
33253
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
1476 |
@BeanProperty(bound = false) |
2 | 1477 |
public int getItemCount() { |
1478 |
return dataModel.getSize(); |
|
1479 |
} |
|
1480 |
||
1481 |
/** |
|
1482 |
* Returns the list item at the specified index. If <code>index</code> |
|
1483 |
* is out of range (less than zero or greater than or equal to size) |
|
1484 |
* it will return <code>null</code>. |
|
1485 |
* |
|
1486 |
* @param index an integer indicating the list position, where the first |
|
1487 |
* item starts at zero |
|
9665 | 1488 |
* @return the item at that list position; or |
2 | 1489 |
* <code>null</code> if out of range |
1490 |
*/ |
|
9665 | 1491 |
public E getItemAt(int index) { |
2 | 1492 |
return dataModel.getElementAt(index); |
1493 |
} |
|
1494 |
||
1495 |
/** |
|
1496 |
* Returns an instance of the default key-selection manager. |
|
1497 |
* |
|
1498 |
* @return the <code>KeySelectionManager</code> currently used by the list |
|
1499 |
* @see #setKeySelectionManager |
|
1500 |
*/ |
|
1501 |
protected KeySelectionManager createDefaultKeySelectionManager() { |
|
1502 |
return new DefaultKeySelectionManager(); |
|
1503 |
} |
|
1504 |
||
1505 |
||
1506 |
/** |
|
1507 |
* The interface that defines a <code>KeySelectionManager</code>. |
|
1508 |
* To qualify as a <code>KeySelectionManager</code>, |
|
1509 |
* the class needs to implement the method |
|
1510 |
* that identifies the list index given a character and the |
|
1511 |
* combo box data model. |
|
1512 |
*/ |
|
1513 |
public interface KeySelectionManager { |
|
1514 |
/** Given <code>aKey</code> and the model, returns the row |
|
1515 |
* that should become selected. Return -1 if no match was |
|
1516 |
* found. |
|
1517 |
* |
|
1518 |
* @param aKey a char value, usually indicating a keyboard key that |
|
1519 |
* was pressed |
|
1520 |
* @param aModel a ComboBoxModel -- the component's data model, containing |
|
1521 |
* the list of selectable items |
|
1522 |
* @return an int equal to the selected row, where 0 is the |
|
1523 |
* first item and -1 is none. |
|
1524 |
*/ |
|
25565
ce603b34c98d
8043548: Fix raw and unchecked lint warnings in javax.swing.plaf.*
darcy
parents:
25201
diff
changeset
|
1525 |
int selectionForKey(char aKey,ComboBoxModel<?> aModel); |
2 | 1526 |
} |
1527 |
||
1528 |
class DefaultKeySelectionManager implements KeySelectionManager, Serializable { |
|
25565
ce603b34c98d
8043548: Fix raw and unchecked lint warnings in javax.swing.plaf.*
darcy
parents:
25201
diff
changeset
|
1529 |
public int selectionForKey(char aKey,ComboBoxModel<?> aModel) { |
2 | 1530 |
int i,c; |
1531 |
int currentSelection = -1; |
|
1532 |
Object selectedItem = aModel.getSelectedItem(); |
|
1533 |
String v; |
|
1534 |
String pattern; |
|
1535 |
||
1536 |
if ( selectedItem != null ) { |
|
1537 |
for ( i=0,c=aModel.getSize();i<c;i++ ) { |
|
1538 |
if ( selectedItem == aModel.getElementAt(i) ) { |
|
1539 |
currentSelection = i; |
|
1540 |
break; |
|
1541 |
} |
|
1542 |
} |
|
1543 |
} |
|
1544 |
||
1545 |
pattern = ("" + aKey).toLowerCase(); |
|
1546 |
aKey = pattern.charAt(0); |
|
1547 |
||
1548 |
for ( i = ++currentSelection, c = aModel.getSize() ; i < c ; i++ ) { |
|
1549 |
Object elem = aModel.getElementAt(i); |
|
1550 |
if (elem != null && elem.toString() != null) { |
|
1551 |
v = elem.toString().toLowerCase(); |
|
1552 |
if ( v.length() > 0 && v.charAt(0) == aKey ) |
|
1553 |
return i; |
|
1554 |
} |
|
1555 |
} |
|
1556 |
||
1557 |
for ( i = 0 ; i < currentSelection ; i ++ ) { |
|
1558 |
Object elem = aModel.getElementAt(i); |
|
1559 |
if (elem != null && elem.toString() != null) { |
|
1560 |
v = elem.toString().toLowerCase(); |
|
1561 |
if ( v.length() > 0 && v.charAt(0) == aKey ) |
|
1562 |
return i; |
|
1563 |
} |
|
1564 |
} |
|
1565 |
return -1; |
|
1566 |
} |
|
1567 |
} |
|
1568 |
||
1569 |
||
1570 |
/** |
|
1571 |
* See <code>readObject</code> and <code>writeObject</code> in |
|
1572 |
* <code>JComponent</code> for more |
|
1573 |
* information about serialization in Swing. |
|
1574 |
*/ |
|
1575 |
private void writeObject(ObjectOutputStream s) throws IOException { |
|
1576 |
s.defaultWriteObject(); |
|
1577 |
if (getUIClassID().equals(uiClassID)) { |
|
1578 |
byte count = JComponent.getWriteObjCounter(this); |
|
1579 |
JComponent.setWriteObjCounter(this, --count); |
|
1580 |
if (count == 0 && ui != null) { |
|
1581 |
ui.installUI(this); |
|
1582 |
} |
|
1583 |
} |
|
1584 |
} |
|
1585 |
||
1586 |
||
1587 |
/** |
|
1588 |
* Returns a string representation of this <code>JComboBox</code>. |
|
1589 |
* This method is intended to be used only for debugging purposes, |
|
1590 |
* and the content and format of the returned string may vary between |
|
1591 |
* implementations. The returned string may be empty but may not |
|
1592 |
* be <code>null</code>. |
|
1593 |
* |
|
1594 |
* @return a string representation of this <code>JComboBox</code> |
|
1595 |
*/ |
|
1596 |
protected String paramString() { |
|
1597 |
String selectedItemReminderString = (selectedItemReminder != null ? |
|
1598 |
selectedItemReminder.toString() : |
|
1599 |
""); |
|
1600 |
String isEditableString = (isEditable ? "true" : "false"); |
|
1601 |
String lightWeightPopupEnabledString = (lightWeightPopupEnabled ? |
|
1602 |
"true" : "false"); |
|
1603 |
||
1604 |
return super.paramString() + |
|
1605 |
",isEditable=" + isEditableString + |
|
1606 |
",lightWeightPopupEnabled=" + lightWeightPopupEnabledString + |
|
1607 |
",maximumRowCount=" + maximumRowCount + |
|
1608 |
",selectedItemReminder=" + selectedItemReminderString; |
|
1609 |
} |
|
1610 |
||
1611 |
||
1612 |
/////////////////// |
|
1613 |
// Accessibility support |
|
1614 |
/////////////////// |
|
1615 |
||
1616 |
/** |
|
1617 |
* Gets the AccessibleContext associated with this JComboBox. |
|
1618 |
* For combo boxes, the AccessibleContext takes the form of an |
|
1619 |
* AccessibleJComboBox. |
|
1620 |
* A new AccessibleJComboBox instance is created if necessary. |
|
1621 |
* |
|
1622 |
* @return an AccessibleJComboBox that serves as the |
|
1623 |
* AccessibleContext of this JComboBox |
|
1624 |
*/ |
|
33253
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
1625 |
@BeanProperty(bound = false) |
2 | 1626 |
public AccessibleContext getAccessibleContext() { |
1627 |
if ( accessibleContext == null ) { |
|
1628 |
accessibleContext = new AccessibleJComboBox(); |
|
1629 |
} |
|
1630 |
return accessibleContext; |
|
1631 |
} |
|
1632 |
||
1633 |
/** |
|
1634 |
* This class implements accessibility support for the |
|
1635 |
* <code>JComboBox</code> class. It provides an implementation of the |
|
1636 |
* Java Accessibility API appropriate to Combo Box user-interface elements. |
|
1637 |
* <p> |
|
1638 |
* <strong>Warning:</strong> |
|
1639 |
* Serialized objects of this class will not be compatible with |
|
1640 |
* future Swing releases. The current serialization support is |
|
1641 |
* appropriate for short term storage or RMI between applications running |
|
1642 |
* the same version of Swing. As of 1.4, support for long term storage |
|
20458 | 1643 |
* of all JavaBeans™ |
2 | 1644 |
* has been added to the <code>java.beans</code> package. |
1645 |
* Please see {@link java.beans.XMLEncoder}. |
|
1646 |
*/ |
|
22574
7f8ce0c8c20a
8032627: Add @SuppressWarnings("serial") to appropriate javax.swing classes
darcy
parents:
22260
diff
changeset
|
1647 |
@SuppressWarnings("serial") // Same-version serialization only |
2 | 1648 |
protected class AccessibleJComboBox extends AccessibleJComponent |
1649 |
implements AccessibleAction, AccessibleSelection { |
|
1650 |
||
1651 |
||
25565
ce603b34c98d
8043548: Fix raw and unchecked lint warnings in javax.swing.plaf.*
darcy
parents:
25201
diff
changeset
|
1652 |
private JList<?> popupList; // combo box popup list |
2 | 1653 |
private Accessible previousSelectedAccessible = null; |
1654 |
||
1655 |
/** |
|
1656 |
* Returns an AccessibleJComboBox instance |
|
1657 |
* @since 1.4 |
|
1658 |
*/ |
|
1659 |
public AccessibleJComboBox() { |
|
1660 |
// set the combo box editor's accessible name and description |
|
1661 |
JComboBox.this.addPropertyChangeListener(new AccessibleJComboBoxPropertyChangeListener()); |
|
1662 |
setEditorNameAndDescription(); |
|
1663 |
||
1664 |
// Get the popup list |
|
1665 |
Accessible a = getUI().getAccessibleChild(JComboBox.this, 0); |
|
1666 |
if (a instanceof javax.swing.plaf.basic.ComboPopup) { |
|
1667 |
// Listen for changes to the popup menu selection. |
|
1668 |
popupList = ((javax.swing.plaf.basic.ComboPopup)a).getList(); |
|
1669 |
popupList.addListSelectionListener( |
|
1670 |
new AccessibleJComboBoxListSelectionListener()); |
|
1671 |
} |
|
1672 |
// Listen for popup menu show/hide events |
|
1673 |
JComboBox.this.addPopupMenuListener( |
|
1674 |
new AccessibleJComboBoxPopupMenuListener()); |
|
1675 |
} |
|
1676 |
||
1677 |
/* |
|
1678 |
* JComboBox PropertyChangeListener |
|
1679 |
*/ |
|
1680 |
private class AccessibleJComboBoxPropertyChangeListener |
|
1681 |
implements PropertyChangeListener { |
|
1682 |
||
1683 |
public void propertyChange(PropertyChangeEvent e) { |
|
1684 |
if (e.getPropertyName() == "editor") { |
|
1685 |
// set the combo box editor's accessible name |
|
1686 |
// and description |
|
1687 |
setEditorNameAndDescription(); |
|
1688 |
} |
|
1689 |
} |
|
1690 |
} |
|
1691 |
||
1692 |
/* |
|
1693 |
* Sets the combo box editor's accessible name and descripton |
|
1694 |
*/ |
|
1695 |
private void setEditorNameAndDescription() { |
|
1696 |
ComboBoxEditor editor = JComboBox.this.getEditor(); |
|
1697 |
if (editor != null) { |
|
1698 |
Component comp = editor.getEditorComponent(); |
|
1699 |
if (comp instanceof Accessible) { |
|
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
466
diff
changeset
|
1700 |
AccessibleContext ac = comp.getAccessibleContext(); |
2 | 1701 |
if (ac != null) { // may be null |
1702 |
ac.setAccessibleName(getAccessibleName()); |
|
1703 |
ac.setAccessibleDescription(getAccessibleDescription()); |
|
1704 |
} |
|
1705 |
} |
|
1706 |
} |
|
1707 |
} |
|
1708 |
||
1709 |
/* |
|
1710 |
* Listener for combo box popup menu |
|
1711 |
* TIGER - 4669379 4894434 |
|
1712 |
*/ |
|
1713 |
private class AccessibleJComboBoxPopupMenuListener |
|
1714 |
implements PopupMenuListener { |
|
1715 |
||
1716 |
/** |
|
1717 |
* This method is called before the popup menu becomes visible |
|
1718 |
*/ |
|
1719 |
public void popupMenuWillBecomeVisible(PopupMenuEvent e) { |
|
1720 |
// save the initial selection |
|
1721 |
if (popupList == null) { |
|
1722 |
return; |
|
1723 |
} |
|
1724 |
int selectedIndex = popupList.getSelectedIndex(); |
|
1725 |
if (selectedIndex < 0) { |
|
1726 |
return; |
|
1727 |
} |
|
1728 |
previousSelectedAccessible = |
|
1729 |
popupList.getAccessibleContext().getAccessibleChild(selectedIndex); |
|
1730 |
} |
|
1731 |
||
1732 |
/** |
|
1733 |
* This method is called before the popup menu becomes invisible |
|
1734 |
* Note that a JPopupMenu can become invisible any time |
|
1735 |
*/ |
|
1736 |
public void popupMenuWillBecomeInvisible(PopupMenuEvent e) { |
|
1737 |
// ignore |
|
1738 |
} |
|
1739 |
||
1740 |
/** |
|
1741 |
* This method is called when the popup menu is canceled |
|
1742 |
*/ |
|
1743 |
public void popupMenuCanceled(PopupMenuEvent e) { |
|
1744 |
// ignore |
|
1745 |
} |
|
1746 |
} |
|
1747 |
||
1748 |
/* |
|
1749 |
* Handles changes to the popup list selection. |
|
1750 |
* TIGER - 4669379 4894434 4933143 |
|
1751 |
*/ |
|
1752 |
private class AccessibleJComboBoxListSelectionListener |
|
1753 |
implements ListSelectionListener { |
|
1754 |
||
1755 |
public void valueChanged(ListSelectionEvent e) { |
|
1756 |
if (popupList == null) { |
|
1757 |
return; |
|
1758 |
} |
|
1759 |
||
1760 |
// Get the selected popup list item. |
|
1761 |
int selectedIndex = popupList.getSelectedIndex(); |
|
1762 |
if (selectedIndex < 0) { |
|
1763 |
return; |
|
1764 |
} |
|
1765 |
Accessible selectedAccessible = |
|
1766 |
popupList.getAccessibleContext().getAccessibleChild(selectedIndex); |
|
1767 |
if (selectedAccessible == null) { |
|
1768 |
return; |
|
1769 |
} |
|
1770 |
||
1771 |
// Fire a FOCUSED lost PropertyChangeEvent for the |
|
1772 |
// previously selected list item. |
|
1301
15e81207e1f2
6727662: Code improvement and warnings removing from swing packages
rupashka
parents:
466
diff
changeset
|
1773 |
PropertyChangeEvent pce; |
2 | 1774 |
|
1775 |
if (previousSelectedAccessible != null) { |
|
1776 |
pce = new PropertyChangeEvent(previousSelectedAccessible, |
|
1777 |
AccessibleContext.ACCESSIBLE_STATE_PROPERTY, |
|
1778 |
AccessibleState.FOCUSED, null); |
|
1779 |
firePropertyChange(AccessibleContext.ACCESSIBLE_STATE_PROPERTY, |
|
1780 |
null, pce); |
|
1781 |
} |
|
1782 |
// Fire a FOCUSED gained PropertyChangeEvent for the |
|
1783 |
// currently selected list item. |
|
1784 |
pce = new PropertyChangeEvent(selectedAccessible, |
|
1785 |
AccessibleContext.ACCESSIBLE_STATE_PROPERTY, |
|
1786 |
null, AccessibleState.FOCUSED); |
|
1787 |
firePropertyChange(AccessibleContext.ACCESSIBLE_STATE_PROPERTY, |
|
1788 |
null, pce); |
|
1789 |
||
1790 |
// Fire the ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY event |
|
1791 |
// for the combo box. |
|
1792 |
firePropertyChange(AccessibleContext.ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY, |
|
1793 |
previousSelectedAccessible, selectedAccessible); |
|
1794 |
||
1795 |
// Save the previous selection. |
|
1796 |
previousSelectedAccessible = selectedAccessible; |
|
1797 |
} |
|
1798 |
} |
|
1799 |
||
1800 |
||
1801 |
/** |
|
1802 |
* Returns the number of accessible children in the object. If all |
|
1803 |
* of the children of this object implement Accessible, than this |
|
1804 |
* method should return the number of children of this object. |
|
1805 |
* |
|
1806 |
* @return the number of accessible children in the object. |
|
1807 |
*/ |
|
1808 |
public int getAccessibleChildrenCount() { |
|
1809 |
// Always delegate to the UI if it exists |
|
1810 |
if (ui != null) { |
|
1811 |
return ui.getAccessibleChildrenCount(JComboBox.this); |
|
1812 |
} else { |
|
1813 |
return super.getAccessibleChildrenCount(); |
|
1814 |
} |
|
1815 |
} |
|
1816 |
||
1817 |
/** |
|
1818 |
* Returns the nth Accessible child of the object. |
|
1819 |
* The child at index zero represents the popup. |
|
1820 |
* If the combo box is editable, the child at index one |
|
1821 |
* represents the editor. |
|
1822 |
* |
|
1823 |
* @param i zero-based index of child |
|
1824 |
* @return the nth Accessible child of the object |
|
1825 |
*/ |
|
1826 |
public Accessible getAccessibleChild(int i) { |
|
1827 |
// Always delegate to the UI if it exists |
|
1828 |
if (ui != null) { |
|
1829 |
return ui.getAccessibleChild(JComboBox.this, i); |
|
1830 |
} else { |
|
1831 |
return super.getAccessibleChild(i); |
|
1832 |
} |
|
1833 |
} |
|
1834 |
||
1835 |
/** |
|
1836 |
* Get the role of this object. |
|
1837 |
* |
|
1838 |
* @return an instance of AccessibleRole describing the role of the |
|
1839 |
* object |
|
1840 |
* @see AccessibleRole |
|
1841 |
*/ |
|
1842 |
public AccessibleRole getAccessibleRole() { |
|
1843 |
return AccessibleRole.COMBO_BOX; |
|
1844 |
} |
|
1845 |
||
1846 |
/** |
|
1847 |
* Gets the state set of this object. The AccessibleStateSet of |
|
1848 |
* an object is composed of a set of unique AccessibleStates. |
|
1849 |
* A change in the AccessibleStateSet of an object will cause a |
|
1850 |
* PropertyChangeEvent to be fired for the ACCESSIBLE_STATE_PROPERTY |
|
1851 |
* property. |
|
1852 |
* |
|
1853 |
* @return an instance of AccessibleStateSet containing the |
|
1854 |
* current state set of the object |
|
1855 |
* @see AccessibleStateSet |
|
1856 |
* @see AccessibleState |
|
1857 |
* @see #addPropertyChangeListener |
|
1858 |
* |
|
1859 |
*/ |
|
1860 |
public AccessibleStateSet getAccessibleStateSet() { |
|
1861 |
// TIGER - 4489748 |
|
1862 |
AccessibleStateSet ass = super.getAccessibleStateSet(); |
|
1863 |
if (ass == null) { |
|
1864 |
ass = new AccessibleStateSet(); |
|
1865 |
} |
|
1866 |
if (JComboBox.this.isPopupVisible()) { |
|
1867 |
ass.add(AccessibleState.EXPANDED); |
|
1868 |
} else { |
|
1869 |
ass.add(AccessibleState.COLLAPSED); |
|
1870 |
} |
|
1871 |
return ass; |
|
1872 |
} |
|
1873 |
||
1874 |
/** |
|
1875 |
* Get the AccessibleAction associated with this object. In the |
|
1876 |
* implementation of the Java Accessibility API for this class, |
|
1877 |
* return this object, which is responsible for implementing the |
|
1878 |
* AccessibleAction interface on behalf of itself. |
|
1879 |
* |
|
1880 |
* @return this object |
|
1881 |
*/ |
|
1882 |
public AccessibleAction getAccessibleAction() { |
|
1883 |
return this; |
|
1884 |
} |
|
1885 |
||
1886 |
/** |
|
1887 |
* Return a description of the specified action of the object. |
|
1888 |
* |
|
1889 |
* @param i zero-based index of the actions |
|
1890 |
*/ |
|
1891 |
public String getAccessibleActionDescription(int i) { |
|
1892 |
if (i == 0) { |
|
1893 |
return UIManager.getString("ComboBox.togglePopupText"); |
|
1894 |
} |
|
1895 |
else { |
|
1896 |
return null; |
|
1897 |
} |
|
1898 |
} |
|
1899 |
||
1900 |
/** |
|
1901 |
* Returns the number of Actions available in this object. The |
|
1902 |
* default behavior of a combo box is to have one action. |
|
1903 |
* |
|
1904 |
* @return 1, the number of Actions in this object |
|
1905 |
*/ |
|
1906 |
public int getAccessibleActionCount() { |
|
1907 |
return 1; |
|
1908 |
} |
|
1909 |
||
1910 |
/** |
|
1911 |
* Perform the specified Action on the object |
|
1912 |
* |
|
1913 |
* @param i zero-based index of actions |
|
28059
e576535359cc
8067377: My hobby: caning, then then canning, the the can-can
martin
parents:
27505
diff
changeset
|
1914 |
* @return true if the action was performed; else false. |
2 | 1915 |
*/ |
1916 |
public boolean doAccessibleAction(int i) { |
|
1917 |
if (i == 0) { |
|
1918 |
setPopupVisible(!isPopupVisible()); |
|
1919 |
return true; |
|
1920 |
} |
|
1921 |
else { |
|
1922 |
return false; |
|
1923 |
} |
|
1924 |
} |
|
1925 |
||
1926 |
||
1927 |
/** |
|
1928 |
* Get the AccessibleSelection associated with this object. In the |
|
1929 |
* implementation of the Java Accessibility API for this class, |
|
1930 |
* return this object, which is responsible for implementing the |
|
1931 |
* AccessibleSelection interface on behalf of itself. |
|
1932 |
* |
|
1933 |
* @return this object |
|
1934 |
*/ |
|
1935 |
public AccessibleSelection getAccessibleSelection() { |
|
1936 |
return this; |
|
1937 |
} |
|
1938 |
||
1939 |
/** |
|
1940 |
* Returns the number of Accessible children currently selected. |
|
1941 |
* If no children are selected, the return value will be 0. |
|
1942 |
* |
|
1943 |
* @return the number of items currently selected. |
|
1944 |
* @since 1.3 |
|
1945 |
*/ |
|
1946 |
public int getAccessibleSelectionCount() { |
|
1947 |
Object o = JComboBox.this.getSelectedItem(); |
|
1948 |
if (o != null) { |
|
1949 |
return 1; |
|
1950 |
} else { |
|
1951 |
return 0; |
|
1952 |
} |
|
1953 |
} |
|
1954 |
||
1955 |
/** |
|
1956 |
* Returns an Accessible representing the specified selected child |
|
1957 |
* in the popup. If there isn't a selection, or there are |
|
1958 |
* fewer children selected than the integer passed in, the return |
|
1959 |
* value will be null. |
|
1960 |
* <p>Note that the index represents the i-th selected child, which |
|
1961 |
* is different from the i-th child. |
|
1962 |
* |
|
1963 |
* @param i the zero-based index of selected children |
|
1964 |
* @return the i-th selected child |
|
1965 |
* @see #getAccessibleSelectionCount |
|
1966 |
* @since 1.3 |
|
1967 |
*/ |
|
1968 |
public Accessible getAccessibleSelection(int i) { |
|
1969 |
// Get the popup |
|
1970 |
Accessible a = |
|
1971 |
JComboBox.this.getUI().getAccessibleChild(JComboBox.this, 0); |
|
1972 |
if (a != null && |
|
1973 |
a instanceof javax.swing.plaf.basic.ComboPopup) { |
|
1974 |
||
1975 |
// get the popup list |
|
25565
ce603b34c98d
8043548: Fix raw and unchecked lint warnings in javax.swing.plaf.*
darcy
parents:
25201
diff
changeset
|
1976 |
JList<?> list = ((javax.swing.plaf.basic.ComboPopup)a).getList(); |
2 | 1977 |
|
1978 |
// return the i-th selection in the popup list |
|
1979 |
AccessibleContext ac = list.getAccessibleContext(); |
|
1980 |
if (ac != null) { |
|
1981 |
AccessibleSelection as = ac.getAccessibleSelection(); |
|
1982 |
if (as != null) { |
|
1983 |
return as.getAccessibleSelection(i); |
|
1984 |
} |
|
1985 |
} |
|
1986 |
} |
|
1987 |
return null; |
|
1988 |
} |
|
1989 |
||
1990 |
/** |
|
1991 |
* Determines if the current child of this object is selected. |
|
1992 |
* |
|
1993 |
* @return true if the current child of this object is selected; |
|
1994 |
* else false |
|
1995 |
* @param i the zero-based index of the child in this Accessible |
|
1996 |
* object. |
|
1997 |
* @see AccessibleContext#getAccessibleChild |
|
1998 |
* @since 1.3 |
|
1999 |
*/ |
|
2000 |
public boolean isAccessibleChildSelected(int i) { |
|
2001 |
return JComboBox.this.getSelectedIndex() == i; |
|
2002 |
} |
|
2003 |
||
2004 |
/** |
|
2005 |
* Adds the specified Accessible child of the object to the object's |
|
2006 |
* selection. If the object supports multiple selections, |
|
2007 |
* the specified child is added to any existing selection, otherwise |
|
2008 |
* it replaces any existing selection in the object. If the |
|
2009 |
* specified child is already selected, this method has no effect. |
|
2010 |
* |
|
2011 |
* @param i the zero-based index of the child |
|
2012 |
* @see AccessibleContext#getAccessibleChild |
|
2013 |
* @since 1.3 |
|
2014 |
*/ |
|
2015 |
public void addAccessibleSelection(int i) { |
|
2016 |
// TIGER - 4856195 |
|
2017 |
clearAccessibleSelection(); |
|
2018 |
JComboBox.this.setSelectedIndex(i); |
|
2019 |
} |
|
2020 |
||
2021 |
/** |
|
2022 |
* Removes the specified child of the object from the object's |
|
2023 |
* selection. If the specified item isn't currently selected, this |
|
2024 |
* method has no effect. |
|
2025 |
* |
|
2026 |
* @param i the zero-based index of the child |
|
2027 |
* @see AccessibleContext#getAccessibleChild |
|
2028 |
* @since 1.3 |
|
2029 |
*/ |
|
2030 |
public void removeAccessibleSelection(int i) { |
|
2031 |
if (JComboBox.this.getSelectedIndex() == i) { |
|
2032 |
clearAccessibleSelection(); |
|
2033 |
} |
|
2034 |
} |
|
2035 |
||
2036 |
/** |
|
2037 |
* Clears the selection in the object, so that no children in the |
|
2038 |
* object are selected. |
|
2039 |
* @since 1.3 |
|
2040 |
*/ |
|
2041 |
public void clearAccessibleSelection() { |
|
2042 |
JComboBox.this.setSelectedIndex(-1); |
|
2043 |
} |
|
2044 |
||
2045 |
/** |
|
2046 |
* Causes every child of the object to be selected |
|
2047 |
* if the object supports multiple selections. |
|
2048 |
* @since 1.3 |
|
2049 |
*/ |
|
2050 |
public void selectAllAccessibleSelection() { |
|
2051 |
// do nothing since multiple selection is not supported |
|
2052 |
} |
|
2053 |
||
2054 |
// public Accessible getAccessibleAt(Point p) { |
|
2055 |
// Accessible a = getAccessibleChild(1); |
|
2056 |
// if ( a != null ) { |
|
2057 |
// return a; // the editor |
|
2058 |
// } |
|
2059 |
// else { |
|
2060 |
// return getAccessibleChild(0); // the list |
|
2061 |
// } |
|
2062 |
// } |
|
2063 |
private EditorAccessibleContext editorAccessibleContext = null; |
|
2064 |
||
2065 |
private class AccessibleEditor implements Accessible { |
|
2066 |
public AccessibleContext getAccessibleContext() { |
|
2067 |
if (editorAccessibleContext == null) { |
|
2068 |
Component c = JComboBox.this.getEditor().getEditorComponent(); |
|
2069 |
if (c instanceof Accessible) { |
|
2070 |
editorAccessibleContext = |
|
2071 |
new EditorAccessibleContext((Accessible)c); |
|
2072 |
} |
|
2073 |
} |
|
2074 |
return editorAccessibleContext; |
|
2075 |
} |
|
2076 |
} |
|
2077 |
||
2078 |
/* |
|
2079 |
* Wrapper class for the AccessibleContext implemented by the |
|
2080 |
* combo box editor. Delegates all method calls except |
|
2081 |
* getAccessibleIndexInParent to the editor. The |
|
2082 |
* getAccessibleIndexInParent method returns the selected |
|
2083 |
* index in the combo box. |
|
2084 |
*/ |
|
2085 |
private class EditorAccessibleContext extends AccessibleContext { |
|
2086 |
||
2087 |
private AccessibleContext ac; |
|
2088 |
||
2089 |
private EditorAccessibleContext() { |
|
2090 |
} |
|
2091 |
||
2092 |
/* |
|
2093 |
* @param a the AccessibleContext implemented by the |
|
2094 |
* combo box editor |
|
2095 |
*/ |
|
2096 |
EditorAccessibleContext(Accessible a) { |
|
2097 |
this.ac = a.getAccessibleContext(); |
|
2098 |
} |
|
2099 |
||
2100 |
/** |
|
2101 |
* Gets the accessibleName property of this object. The accessibleName |
|
2102 |
* property of an object is a localized String that designates the purpose |
|
2103 |
* of the object. For example, the accessibleName property of a label |
|
2104 |
* or button might be the text of the label or button itself. In the |
|
2105 |
* case of an object that doesn't display its name, the accessibleName |
|
2106 |
* should still be set. For example, in the case of a text field used |
|
2107 |
* to enter the name of a city, the accessibleName for the en_US locale |
|
2108 |
* could be 'city.' |
|
2109 |
* |
|
2110 |
* @return the localized name of the object; null if this |
|
2111 |
* object does not have a name |
|
2112 |
* |
|
2113 |
* @see #setAccessibleName |
|
2114 |
*/ |
|
2115 |
public String getAccessibleName() { |
|
2116 |
return ac.getAccessibleName(); |
|
2117 |
} |
|
2118 |
||
2119 |
/** |
|
2120 |
* Sets the localized accessible name of this object. Changing the |
|
2121 |
* name will cause a PropertyChangeEvent to be fired for the |
|
2122 |
* ACCESSIBLE_NAME_PROPERTY property. |
|
2123 |
* |
|
2124 |
* @param s the new localized name of the object. |
|
2125 |
* |
|
2126 |
* @see #getAccessibleName |
|
2127 |
* @see #addPropertyChangeListener |
|
2128 |
*/ |
|
33253
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
2129 |
@BeanProperty(preferred = true, description |
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
2130 |
= "Sets the accessible name for the component.") |
2 | 2131 |
public void setAccessibleName(String s) { |
2132 |
ac.setAccessibleName(s); |
|
2133 |
} |
|
2134 |
||
2135 |
/** |
|
2136 |
* Gets the accessibleDescription property of this object. The |
|
2137 |
* accessibleDescription property of this object is a short localized |
|
2138 |
* phrase describing the purpose of the object. For example, in the |
|
2139 |
* case of a 'Cancel' button, the accessibleDescription could be |
|
2140 |
* 'Ignore changes and close dialog box.' |
|
2141 |
* |
|
2142 |
* @return the localized description of the object; null if |
|
2143 |
* this object does not have a description |
|
2144 |
* |
|
2145 |
* @see #setAccessibleDescription |
|
2146 |
*/ |
|
2147 |
public String getAccessibleDescription() { |
|
2148 |
return ac.getAccessibleDescription(); |
|
2149 |
} |
|
2150 |
||
2151 |
/** |
|
2152 |
* Sets the accessible description of this object. Changing the |
|
2153 |
* name will cause a PropertyChangeEvent to be fired for the |
|
2154 |
* ACCESSIBLE_DESCRIPTION_PROPERTY property. |
|
2155 |
* |
|
2156 |
* @param s the new localized description of the object |
|
2157 |
* |
|
2158 |
* @see #setAccessibleName |
|
2159 |
* @see #addPropertyChangeListener |
|
2160 |
*/ |
|
33253
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
2161 |
@BeanProperty(preferred = true, description |
78e735319356
4763438: Replace uses of @beaninfo with meta facility in core j2se
serb
parents:
30463
diff
changeset
|
2162 |
= "Sets the accessible description for the component.") |
2 | 2163 |
public void setAccessibleDescription(String s) { |
2164 |
ac.setAccessibleDescription(s); |
|
2165 |
} |
|
2166 |
||
2167 |
/** |
|
2168 |
* Gets the role of this object. The role of the object is the generic |
|
2169 |
* purpose or use of the class of this object. For example, the role |
|
2170 |
* of a push button is AccessibleRole.PUSH_BUTTON. The roles in |
|
2171 |
* AccessibleRole are provided so component developers can pick from |
|
2172 |
* a set of predefined roles. This enables assistive technologies to |
|
2173 |
* provide a consistent interface to various tweaked subclasses of |
|
2174 |
* components (e.g., use AccessibleRole.PUSH_BUTTON for all components |
|
21278 | 2175 |
* that act like a push button) as well as distinguish between subclasses |
2 | 2176 |
* that behave differently (e.g., AccessibleRole.CHECK_BOX for check boxes |
2177 |
* and AccessibleRole.RADIO_BUTTON for radio buttons). |
|
2178 |
* <p>Note that the AccessibleRole class is also extensible, so |
|
2179 |
* custom component developers can define their own AccessibleRole's |
|
2180 |
* if the set of predefined roles is inadequate. |
|
2181 |
* |
|
2182 |
* @return an instance of AccessibleRole describing the role of the object |
|
2183 |
* @see AccessibleRole |
|
2184 |
*/ |
|
2185 |
public AccessibleRole getAccessibleRole() { |
|
2186 |
return ac.getAccessibleRole(); |
|
2187 |
} |
|
2188 |
||
2189 |
/** |
|
2190 |
* Gets the state set of this object. The AccessibleStateSet of an object |
|
2191 |
* is composed of a set of unique AccessibleStates. A change in the |
|
2192 |
* AccessibleStateSet of an object will cause a PropertyChangeEvent to |
|
2193 |
* be fired for the ACCESSIBLE_STATE_PROPERTY property. |
|
2194 |
* |
|
2195 |
* @return an instance of AccessibleStateSet containing the |
|
2196 |
* current state set of the object |
|
2197 |
* @see AccessibleStateSet |
|
2198 |
* @see AccessibleState |
|
2199 |
* @see #addPropertyChangeListener |
|
2200 |
*/ |
|
2201 |
public AccessibleStateSet getAccessibleStateSet() { |
|
2202 |
return ac.getAccessibleStateSet(); |
|
2203 |
} |
|
2204 |
||
2205 |
/** |
|
2206 |
* Gets the Accessible parent of this object. |
|
2207 |
* |
|
2208 |
* @return the Accessible parent of this object; null if this |
|
2209 |
* object does not have an Accessible parent |
|
2210 |
*/ |
|
2211 |
public Accessible getAccessibleParent() { |
|
2212 |
return ac.getAccessibleParent(); |
|
2213 |
} |
|
2214 |
||
2215 |
/** |
|
2216 |
* Sets the Accessible parent of this object. This is meant to be used |
|
2217 |
* only in the situations where the actual component's parent should |
|
2218 |
* not be treated as the component's accessible parent and is a method |
|
2219 |
* that should only be called by the parent of the accessible child. |
|
2220 |
* |
|
2221 |
* @param a - Accessible to be set as the parent |
|
2222 |
*/ |
|
2223 |
public void setAccessibleParent(Accessible a) { |
|
2224 |
ac.setAccessibleParent(a); |
|
2225 |
} |
|
2226 |
||
2227 |
/** |
|
2228 |
* Gets the 0-based index of this object in its accessible parent. |
|
2229 |
* |
|
2230 |
* @return the 0-based index of this object in its parent; -1 if this |
|
2231 |
* object does not have an accessible parent. |
|
2232 |
* |
|
2233 |
* @see #getAccessibleParent |
|
2234 |
* @see #getAccessibleChildrenCount |
|
2235 |
* @see #getAccessibleChild |
|
2236 |
*/ |
|
2237 |
public int getAccessibleIndexInParent() { |
|
2238 |
return JComboBox.this.getSelectedIndex(); |
|
2239 |
} |
|
2240 |
||
2241 |
/** |
|
2242 |
* Returns the number of accessible children of the object. |
|
2243 |
* |
|
2244 |
* @return the number of accessible children of the object. |
|
2245 |
*/ |
|
2246 |
public int getAccessibleChildrenCount() { |
|
2247 |
return ac.getAccessibleChildrenCount(); |
|
2248 |
} |
|
2249 |
||
2250 |
/** |
|
2251 |
* Returns the specified Accessible child of the object. The Accessible |
|
2252 |
* children of an Accessible object are zero-based, so the first child |
|
2253 |
* of an Accessible child is at index 0, the second child is at index 1, |
|
2254 |
* and so on. |
|
2255 |
* |
|
2256 |
* @param i zero-based index of child |
|
2257 |
* @return the Accessible child of the object |
|
2258 |
* @see #getAccessibleChildrenCount |
|
2259 |
*/ |
|
2260 |
public Accessible getAccessibleChild(int i) { |
|
2261 |
return ac.getAccessibleChild(i); |
|
2262 |
} |
|
2263 |
||
2264 |
/** |
|
2265 |
* Gets the locale of the component. If the component does not have a |
|
2266 |
* locale, then the locale of its parent is returned. |
|
2267 |
* |
|
2268 |
* @return this component's locale. If this component does not have |
|
2269 |
* a locale, the locale of its parent is returned. |
|
2270 |
* |
|
2271 |
* @exception IllegalComponentStateException |
|
2272 |
* If the Component does not have its own locale and has not yet been |
|
2273 |
* added to a containment hierarchy such that the locale can be |
|
2274 |
* determined from the containing parent. |
|
2275 |
*/ |
|
2276 |
public Locale getLocale() throws IllegalComponentStateException { |
|
2277 |
return ac.getLocale(); |
|
2278 |
} |
|
2279 |
||
2280 |
/** |
|
2281 |
* Adds a PropertyChangeListener to the listener list. |
|
2282 |
* The listener is registered for all Accessible properties and will |
|
2283 |
* be called when those properties change. |
|
2284 |
* |
|
2285 |
* @see #ACCESSIBLE_NAME_PROPERTY |
|
2286 |
* @see #ACCESSIBLE_DESCRIPTION_PROPERTY |
|
2287 |
* @see #ACCESSIBLE_STATE_PROPERTY |
|
2288 |
* @see #ACCESSIBLE_VALUE_PROPERTY |
|
2289 |
* @see #ACCESSIBLE_SELECTION_PROPERTY |
|
2290 |
* @see #ACCESSIBLE_TEXT_PROPERTY |
|
2291 |
* @see #ACCESSIBLE_VISIBLE_DATA_PROPERTY |
|
2292 |
* |
|
2293 |
* @param listener The PropertyChangeListener to be added |
|
2294 |
*/ |
|
2295 |
public void addPropertyChangeListener(PropertyChangeListener listener) { |
|
2296 |
ac.addPropertyChangeListener(listener); |
|
2297 |
} |
|
2298 |
||
2299 |
/** |
|
2300 |
* Removes a PropertyChangeListener from the listener list. |
|
2301 |
* This removes a PropertyChangeListener that was registered |
|
2302 |
* for all properties. |
|
2303 |
* |
|
2304 |
* @param listener The PropertyChangeListener to be removed |
|
2305 |
*/ |
|
2306 |
public void removePropertyChangeListener(PropertyChangeListener listener) { |
|
2307 |
ac.removePropertyChangeListener(listener); |
|
2308 |
} |
|
2309 |
||
2310 |
/** |
|
2311 |
* Gets the AccessibleAction associated with this object that supports |
|
2312 |
* one or more actions. |
|
2313 |
* |
|
2314 |
* @return AccessibleAction if supported by object; else return null |
|
2315 |
* @see AccessibleAction |
|
2316 |
*/ |
|
2317 |
public AccessibleAction getAccessibleAction() { |
|
2318 |
return ac.getAccessibleAction(); |
|
2319 |
} |
|
2320 |
||
2321 |
/** |
|
2322 |
* Gets the AccessibleComponent associated with this object that has a |
|
2323 |
* graphical representation. |
|
2324 |
* |
|
2325 |
* @return AccessibleComponent if supported by object; else return null |
|
2326 |
* @see AccessibleComponent |
|
2327 |
*/ |
|
2328 |
public AccessibleComponent getAccessibleComponent() { |
|
2329 |
return ac.getAccessibleComponent(); |
|
2330 |
} |
|
2331 |
||
2332 |
/** |
|
2333 |
* Gets the AccessibleSelection associated with this object which allows its |
|
2334 |
* Accessible children to be selected. |
|
2335 |
* |
|
2336 |
* @return AccessibleSelection if supported by object; else return null |
|
2337 |
* @see AccessibleSelection |
|
2338 |
*/ |
|
2339 |
public AccessibleSelection getAccessibleSelection() { |
|
2340 |
return ac.getAccessibleSelection(); |
|
2341 |
} |
|
2342 |
||
2343 |
/** |
|
2344 |
* Gets the AccessibleText associated with this object presenting |
|
2345 |
* text on the display. |
|
2346 |
* |
|
2347 |
* @return AccessibleText if supported by object; else return null |
|
2348 |
* @see AccessibleText |
|
2349 |
*/ |
|
2350 |
public AccessibleText getAccessibleText() { |
|
2351 |
return ac.getAccessibleText(); |
|
2352 |
} |
|
2353 |
||
2354 |
/** |
|
2355 |
* Gets the AccessibleEditableText associated with this object |
|
2356 |
* presenting editable text on the display. |
|
2357 |
* |
|
2358 |
* @return AccessibleEditableText if supported by object; else return null |
|
2359 |
* @see AccessibleEditableText |
|
2360 |
*/ |
|
2361 |
public AccessibleEditableText getAccessibleEditableText() { |
|
2362 |
return ac.getAccessibleEditableText(); |
|
2363 |
} |
|
2364 |
||
2365 |
/** |
|
2366 |
* Gets the AccessibleValue associated with this object that supports a |
|
2367 |
* Numerical value. |
|
2368 |
* |
|
2369 |
* @return AccessibleValue if supported by object; else return null |
|
2370 |
* @see AccessibleValue |
|
2371 |
*/ |
|
2372 |
public AccessibleValue getAccessibleValue() { |
|
2373 |
return ac.getAccessibleValue(); |
|
2374 |
} |
|
2375 |
||
2376 |
/** |
|
2377 |
* Gets the AccessibleIcons associated with an object that has |
|
2378 |
* one or more associated icons |
|
2379 |
* |
|
2380 |
* @return an array of AccessibleIcon if supported by object; |
|
2381 |
* otherwise return null |
|
2382 |
* @see AccessibleIcon |
|
2383 |
*/ |
|
2384 |
public AccessibleIcon [] getAccessibleIcon() { |
|
2385 |
return ac.getAccessibleIcon(); |
|
2386 |
} |
|
2387 |
||
2388 |
/** |
|
2389 |
* Gets the AccessibleRelationSet associated with an object |
|
2390 |
* |
|
2391 |
* @return an AccessibleRelationSet if supported by object; |
|
2392 |
* otherwise return null |
|
2393 |
* @see AccessibleRelationSet |
|
2394 |
*/ |
|
2395 |
public AccessibleRelationSet getAccessibleRelationSet() { |
|
2396 |
return ac.getAccessibleRelationSet(); |
|
2397 |
} |
|
2398 |
||
2399 |
/** |
|
2400 |
* Gets the AccessibleTable associated with an object |
|
2401 |
* |
|
2402 |
* @return an AccessibleTable if supported by object; |
|
2403 |
* otherwise return null |
|
2404 |
* @see AccessibleTable |
|
2405 |
*/ |
|
2406 |
public AccessibleTable getAccessibleTable() { |
|
2407 |
return ac.getAccessibleTable(); |
|
2408 |
} |
|
2409 |
||
2410 |
/** |
|
2411 |
* Support for reporting bound property changes. If oldValue and |
|
2412 |
* newValue are not equal and the PropertyChangeEvent listener list |
|
2413 |
* is not empty, then fire a PropertyChange event to each listener. |
|
2414 |
* In general, this is for use by the Accessible objects themselves |
|
2415 |
* and should not be called by an application program. |
|
2416 |
* @param propertyName The programmatic name of the property that |
|
2417 |
* was changed. |
|
2418 |
* @param oldValue The old value of the property. |
|
2419 |
* @param newValue The new value of the property. |
|
2420 |
* @see java.beans.PropertyChangeSupport |
|
2421 |
* @see #addPropertyChangeListener |
|
2422 |
* @see #removePropertyChangeListener |
|
2423 |
* @see #ACCESSIBLE_NAME_PROPERTY |
|
2424 |
* @see #ACCESSIBLE_DESCRIPTION_PROPERTY |
|
2425 |
* @see #ACCESSIBLE_STATE_PROPERTY |
|
2426 |
* @see #ACCESSIBLE_VALUE_PROPERTY |
|
2427 |
* @see #ACCESSIBLE_SELECTION_PROPERTY |
|
2428 |
* @see #ACCESSIBLE_TEXT_PROPERTY |
|
2429 |
* @see #ACCESSIBLE_VISIBLE_DATA_PROPERTY |
|
2430 |
*/ |
|
2431 |
public void firePropertyChange(String propertyName, |
|
2432 |
Object oldValue, |
|
2433 |
Object newValue) { |
|
2434 |
ac.firePropertyChange(propertyName, oldValue, newValue); |
|
2435 |
} |
|
2436 |
} |
|
2437 |
||
2438 |
} // innerclass AccessibleJComboBox |
|
2439 |
} |