0N/A/*
2362N/A * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/Apackage javax.swing.text;
0N/A
0N/Aimport java.awt.event.*;
0N/Aimport java.text.*;
0N/Aimport java.util.*;
0N/Aimport javax.swing.*;
0N/Aimport javax.swing.text.*;
0N/A
0N/A/**
0N/A * DateFormatter is an <code>InternationalFormatter</code> that does its
0N/A * formatting by way of an instance of <code>java.text.DateFormat</code>.
0N/A * <p>
0N/A * <strong>Warning:</strong>
0N/A * Serialized objects of this class will not be compatible with
0N/A * future Swing releases. The current serialization support is
0N/A * appropriate for short term storage or RMI between applications running
0N/A * the same version of Swing. As of 1.4, support for long term storage
0N/A * of all JavaBeans<sup><font size="-2">TM</font></sup>
0N/A * has been added to the <code>java.beans</code> package.
0N/A * Please see {@link java.beans.XMLEncoder}.
0N/A *
0N/A * @see java.text.DateFormat
0N/A *
0N/A * @since 1.4
0N/A */
0N/Apublic class DateFormatter extends InternationalFormatter {
0N/A /**
0N/A * This is shorthand for
0N/A * <code>new DateFormatter(DateFormat.getDateInstance())</code>.
0N/A */
0N/A public DateFormatter() {
0N/A this(DateFormat.getDateInstance());
0N/A }
0N/A
0N/A /**
0N/A * Returns a DateFormatter configured with the specified
0N/A * <code>Format</code> instance.
0N/A *
0N/A * @param format Format used to dictate legal values
0N/A */
0N/A public DateFormatter(DateFormat format) {
0N/A super(format);
0N/A setFormat(format);
0N/A }
0N/A
0N/A /**
0N/A * Sets the format that dictates the legal values that can be edited
0N/A * and displayed.
0N/A * <p>
0N/A * If you have used the nullary constructor the value of this property
0N/A * will be determined for the current locale by way of the
0N/A * <code>Dateformat.getDateInstance()</code> method.
0N/A *
0N/A * @param format DateFormat instance used for converting from/to Strings
0N/A */
0N/A public void setFormat(DateFormat format) {
0N/A super.setFormat(format);
0N/A }
0N/A
0N/A /**
0N/A * Returns the Calendar that <code>DateFormat</code> is associated with,
0N/A * or if the <code>Format</code> is not a <code>DateFormat</code>
0N/A * <code>Calendar.getInstance</code> is returned.
0N/A */
0N/A private Calendar getCalendar() {
0N/A Format f = getFormat();
0N/A
0N/A if (f instanceof DateFormat) {
0N/A return ((DateFormat)f).getCalendar();
0N/A }
0N/A return Calendar.getInstance();
0N/A }
0N/A
0N/A
0N/A /**
0N/A * Returns true, as DateFormatterFilter will support
0N/A * incrementing/decrementing of the value.
0N/A */
0N/A boolean getSupportsIncrement() {
0N/A return true;
0N/A }
0N/A
0N/A /**
0N/A * Returns the field that will be adjusted by adjustValue.
0N/A */
0N/A Object getAdjustField(int start, Map attributes) {
0N/A Iterator attrs = attributes.keySet().iterator();
0N/A
0N/A while (attrs.hasNext()) {
0N/A Object key = attrs.next();
0N/A
0N/A if ((key instanceof DateFormat.Field) &&
0N/A (key == DateFormat.Field.HOUR1 ||
0N/A ((DateFormat.Field)key).getCalendarField() != -1)) {
0N/A return key;
0N/A }
0N/A }
0N/A return null;
0N/A }
0N/A
0N/A /**
0N/A * Adjusts the Date if FieldPosition identifies a known calendar
0N/A * field.
0N/A */
0N/A Object adjustValue(Object value, Map attributes, Object key,
0N/A int direction) throws
0N/A BadLocationException, ParseException {
0N/A if (key != null) {
0N/A int field;
0N/A
0N/A // HOUR1 has no corresponding calendar field, thus, map
0N/A // it to HOUR0 which will give the correct behavior.
0N/A if (key == DateFormat.Field.HOUR1) {
0N/A key = DateFormat.Field.HOUR0;
0N/A }
0N/A field = ((DateFormat.Field)key).getCalendarField();
0N/A
0N/A Calendar calendar = getCalendar();
0N/A
0N/A if (calendar != null) {
0N/A calendar.setTime((Date)value);
0N/A
0N/A int fieldValue = calendar.get(field);
0N/A
0N/A try {
0N/A calendar.add(field, direction);
0N/A value = calendar.getTime();
0N/A } catch (Throwable th) {
0N/A value = null;
0N/A }
0N/A return value;
0N/A }
0N/A }
0N/A return null;
0N/A }
0N/A}