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jlechner |
/* JSpinner.java --
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Copyright (C) 2004, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing;
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import java.awt.Component;
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import java.awt.Container;
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import java.awt.Dimension;
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import java.awt.Insets;
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import java.awt.LayoutManager;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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import java.text.DecimalFormat;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import javax.swing.event.ChangeEvent;
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import javax.swing.event.ChangeListener;
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import javax.swing.plaf.SpinnerUI;
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import javax.swing.text.DateFormatter;
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/**
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* A JSpinner is a component which typically contains a numeric value and a
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* way to manipulate the value.
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*
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* @author Ka-Hing Cheung
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*
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* @since 1.4
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*/
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public class JSpinner extends JComponent
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{
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/**
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* DOCUMENT ME!
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*/
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public static class DefaultEditor extends JPanel implements ChangeListener,
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PropertyChangeListener,
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LayoutManager
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{
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private JSpinner spinner;
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/** The JFormattedTextField that backs the editor. */
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JFormattedTextField ftf;
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/**
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* For compatability with Sun's JDK 1.4.2 rev. 5
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*/
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private static final long serialVersionUID = -5317788736173368172L;
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/**
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* Creates a new <code>DefaultEditor</code> object.
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*
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* @param spinner the <code>JSpinner</code> associated with this editor
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*/
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public DefaultEditor(JSpinner spinner)
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{
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super();
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setLayout(this);
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this.spinner = spinner;
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ftf = new JFormattedTextField();
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add(ftf);
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ftf.setValue(spinner.getValue());
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spinner.addChangeListener(this);
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}
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/**
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* Returns the <code>JSpinner</code> object for this editor.
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*/
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public JSpinner getSpinner()
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{
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return spinner;
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}
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/**
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* DOCUMENT ME!
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*/
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public void commitEdit() throws ParseException
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{
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// TODO: Implement this properly.
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}
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/**
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* DOCUMENT ME!
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*
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* @param spinner DOCUMENT ME!
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*/
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public void dismiss(JSpinner spinner)
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{
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spinner.removeChangeListener(this);
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}
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public JFormattedTextField getTextField()
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{
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return ftf;
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}
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/**
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* DOCUMENT ME!
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*
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* @param parent DOCUMENT ME!
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*/
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public void layoutContainer(Container parent)
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{
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Insets insets = getInsets();
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Dimension size = getSize();
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ftf.setBounds(insets.left, insets.top,
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size.width - insets.left - insets.right,
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size.height - insets.top - insets.bottom);
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}
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/**
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* DOCUMENT ME!
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*
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* @param parent DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public Dimension minimumLayoutSize(Container parent)
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{
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Insets insets = getInsets();
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Dimension minSize = ftf.getMinimumSize();
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return new Dimension(minSize.width + insets.left + insets.right,
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minSize.height + insets.top + insets.bottom);
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}
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/**
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* DOCUMENT ME!
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*
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* @param parent DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public Dimension preferredLayoutSize(Container parent)
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{
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Insets insets = getInsets();
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Dimension prefSize = ftf.getPreferredSize();
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return new Dimension(prefSize.width + insets.left + insets.right,
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prefSize.height + insets.top + insets.bottom);
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}
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/**
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* DOCUMENT ME!
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*
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* @param event DOCUMENT ME!
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*/
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public void propertyChange(PropertyChangeEvent event)
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{
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// TODO: Implement this properly.
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}
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/**
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* DOCUMENT ME!
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*
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* @param event DOCUMENT ME!
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*/
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public void stateChanged(ChangeEvent event)
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{
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// TODO: Implement this properly.
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}
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public void removeLayoutComponent(Component child)
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{
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// Nothing to do here.
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}
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/**
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* DOCUMENT ME!
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*
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* @param name DOCUMENT ME!
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* @param child DOCUMENT ME!
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*/
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public void addLayoutComponent(String name, Component child)
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{
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// Nothing to do here.
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}
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}
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/**
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* DOCUMENT ME!
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*/
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public static class NumberEditor extends DefaultEditor
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{
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/**
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* For compatability with Sun's JDK
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*/
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private static final long serialVersionUID = 3791956183098282942L;
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/**
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* Creates a new NumberEditor object.
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*
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* @param spinner DOCUMENT ME!
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*/
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public NumberEditor(JSpinner spinner)
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{
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super(spinner);
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}
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/**
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* Creates a new NumberEditor object.
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*
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* @param spinner DOCUMENT ME!
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*/
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public NumberEditor(JSpinner spinner, String decimalFormatPattern)
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{
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super(spinner);
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}
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public DecimalFormat getFormat()
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{
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return null;
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}
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public SpinnerNumberModel getModel()
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{
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return (SpinnerNumberModel) getSpinner().getModel();
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}
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}
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/**
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* A <code>JSpinner</code> editor used for the {@link SpinnerListModel}.
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* This editor uses a <code>JFormattedTextField</code> to edit the values
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* of the spinner.
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*
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* @author Roman Kennke (kennke@aicas.com)
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*/
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public static class ListEditor extends DefaultEditor
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{
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/**
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* Creates a new instance of <code>ListEditor</code>.
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*
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* @param spinner the spinner for which this editor is used
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*/
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public ListEditor(JSpinner spinner)
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{
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super(spinner);
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}
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public SpinnerListModel getModel()
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{
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return (SpinnerListModel) getSpinner().getModel();
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}
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}
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/**
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* An editor class for a <code>JSpinner</code> that is used
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* for displaying and editing dates (e.g. that uses
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* <code>SpinnerDateModel</code> as model).
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*
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* The editor uses a {@link JTextField} with the value
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* displayed by a {@link DateFormatter} instance.
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*/
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public static class DateEditor extends DefaultEditor
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{
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/** The serialVersionUID. */
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private static final long serialVersionUID = -4279356973770397815L;
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/** The DateFormat instance used to format the date. */
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SimpleDateFormat dateFormat;
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/**
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* Creates a new instance of DateEditor for the specified
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* <code>JSpinner</code>.
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*
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* @param spinner the <code>JSpinner</code> for which to
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* create a <code>DateEditor</code> instance
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*/
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public DateEditor(JSpinner spinner)
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{
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super(spinner);
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init(new SimpleDateFormat());
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}
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/**
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* Creates a new instance of DateEditor for the specified
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* <code>JSpinner</code> using the specified date format
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* pattern.
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*
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* @param spinner the <code>JSpinner</code> for which to
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* create a <code>DateEditor</code> instance
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* @param dateFormatPattern the date format to use
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*
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* @see SimpleDateFormat#SimpleDateFormat(String)
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*/
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public DateEditor(JSpinner spinner, String dateFormatPattern)
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{
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super(spinner);
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init(new SimpleDateFormat(dateFormatPattern));
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}
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/**
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| 336 |
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* Initializes the JFormattedTextField for this editor.
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*
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* @param format the date format to use in the formatted text field
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*/
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| 340 |
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private void init(SimpleDateFormat format)
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| 341 |
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{
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dateFormat = format;
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| 343 |
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getTextField().setFormatterFactory(
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| 344 |
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new JFormattedTextField.AbstractFormatterFactory()
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| 345 |
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{
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| 346 |
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public JFormattedTextField.AbstractFormatter
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| 347 |
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getFormatter(JFormattedTextField ftf)
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| 348 |
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{
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| 349 |
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return new DateFormatter(dateFormat);
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}
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});
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| 352 |
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}
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| 353 |
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| 354 |
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/**
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| 355 |
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* Returns the <code>SimpleDateFormat</code> instance that is used to
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| 356 |
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* format the date value.
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| 357 |
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*
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* @return the <code>SimpleDateFormat</code> instance that is used to
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* format the date value
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| 360 |
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*/
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| 361 |
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public SimpleDateFormat getFormat()
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{
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| 363 |
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return dateFormat;
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}
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| 365 |
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| 366 |
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/**
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| 367 |
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* Returns the {@link SpinnerDateModel} that is edited by this editor.
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| 368 |
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*
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| 369 |
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* @return the <code>SpinnerDateModel</code> that is edited by this editor
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| 370 |
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|
*/
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| 371 |
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public SpinnerDateModel getModel()
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| 372 |
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{
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| 373 |
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return (SpinnerDateModel) getSpinner().getModel();
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| 374 |
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}
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| 375 |
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}
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| 376 |
|
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| 377 |
|
|
private static final long serialVersionUID = 3412663575706551720L;
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| 378 |
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|
| 379 |
|
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/** DOCUMENT ME! */
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| 380 |
|
|
private SpinnerModel model;
|
| 381 |
|
|
|
| 382 |
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/** DOCUMENT ME! */
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| 383 |
|
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private JComponent editor;
|
| 384 |
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| 385 |
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/** DOCUMENT ME! */
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| 386 |
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private ChangeListener listener = new ChangeListener()
|
| 387 |
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{
|
| 388 |
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public void stateChanged(ChangeEvent evt)
|
| 389 |
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{
|
| 390 |
|
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fireStateChanged();
|
| 391 |
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}
|
| 392 |
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};
|
| 393 |
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|
| 394 |
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/**
|
| 395 |
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* Creates a JSpinner with <code>SpinnerNumberModel</code>
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| 396 |
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*
|
| 397 |
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* @see javax.swing.SpinnerNumberModel
|
| 398 |
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*/
|
| 399 |
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public JSpinner()
|
| 400 |
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{
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| 401 |
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this(new SpinnerNumberModel());
|
| 402 |
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}
|
| 403 |
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|
| 404 |
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/**
|
| 405 |
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* Creates a JSpinner with the specific model and sets the default editor
|
| 406 |
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*
|
| 407 |
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* @param model DOCUMENT ME!
|
| 408 |
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|
*/
|
| 409 |
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public JSpinner(SpinnerModel model)
|
| 410 |
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{
|
| 411 |
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this.model = model;
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| 412 |
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model.addChangeListener(listener);
|
| 413 |
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setEditor(createEditor(model));
|
| 414 |
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updateUI();
|
| 415 |
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}
|
| 416 |
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|
| 417 |
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/**
|
| 418 |
|
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* If the editor is <code>JSpinner.DefaultEditor</code>, then forwards the
|
| 419 |
|
|
* call to it, otherwise do nothing.
|
| 420 |
|
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*
|
| 421 |
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|
* @throws ParseException DOCUMENT ME!
|
| 422 |
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*/
|
| 423 |
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|
public void commitEdit() throws ParseException
|
| 424 |
|
|
{
|
| 425 |
|
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if (editor instanceof DefaultEditor)
|
| 426 |
|
|
((DefaultEditor) editor).commitEdit();
|
| 427 |
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|
}
|
| 428 |
|
|
|
| 429 |
|
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/**
|
| 430 |
|
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* Gets the current editor
|
| 431 |
|
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*
|
| 432 |
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|
* @return the current editor
|
| 433 |
|
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*
|
| 434 |
|
|
* @see #setEditor
|
| 435 |
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|
*/
|
| 436 |
|
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public JComponent getEditor()
|
| 437 |
|
|
{
|
| 438 |
|
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return editor;
|
| 439 |
|
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}
|
| 440 |
|
|
|
| 441 |
|
|
/**
|
| 442 |
|
|
* Changes the current editor to the new editor. This methods should remove
|
| 443 |
|
|
* the old listeners (if any) and adds the new listeners (if any).
|
| 444 |
|
|
*
|
| 445 |
|
|
* @param editor the new editor
|
| 446 |
|
|
*
|
| 447 |
|
|
* @throws IllegalArgumentException DOCUMENT ME!
|
| 448 |
|
|
*
|
| 449 |
|
|
* @see #getEditor
|
| 450 |
|
|
*/
|
| 451 |
|
|
public void setEditor(JComponent editor)
|
| 452 |
|
|
{
|
| 453 |
|
|
if (editor == null)
|
| 454 |
|
|
throw new IllegalArgumentException("editor may not be null");
|
| 455 |
|
|
|
| 456 |
|
|
if (this.editor instanceof DefaultEditor)
|
| 457 |
|
|
((DefaultEditor) editor).dismiss(this);
|
| 458 |
|
|
else if (this.editor instanceof ChangeListener)
|
| 459 |
|
|
removeChangeListener((ChangeListener) this.editor);
|
| 460 |
|
|
|
| 461 |
|
|
if (editor instanceof ChangeListener)
|
| 462 |
|
|
addChangeListener((ChangeListener) editor);
|
| 463 |
|
|
|
| 464 |
|
|
this.editor = editor;
|
| 465 |
|
|
}
|
| 466 |
|
|
|
| 467 |
|
|
/**
|
| 468 |
|
|
* Gets the underly model.
|
| 469 |
|
|
*
|
| 470 |
|
|
* @return the underly model
|
| 471 |
|
|
*/
|
| 472 |
|
|
public SpinnerModel getModel()
|
| 473 |
|
|
{
|
| 474 |
|
|
return model;
|
| 475 |
|
|
}
|
| 476 |
|
|
|
| 477 |
|
|
/**
|
| 478 |
|
|
* Sets a new underlying model.
|
| 479 |
|
|
*
|
| 480 |
|
|
* @param newModel the new model to set
|
| 481 |
|
|
*
|
| 482 |
|
|
* @exception IllegalArgumentException if newModel is <code>null</code>
|
| 483 |
|
|
*/
|
| 484 |
|
|
public void setModel(SpinnerModel newModel)
|
| 485 |
|
|
{
|
| 486 |
|
|
if (newModel == null)
|
| 487 |
|
|
throw new IllegalArgumentException();
|
| 488 |
|
|
|
| 489 |
|
|
if (model == newModel)
|
| 490 |
|
|
return;
|
| 491 |
|
|
|
| 492 |
|
|
SpinnerModel oldModel = model;
|
| 493 |
|
|
model = newModel;
|
| 494 |
|
|
firePropertyChange("model", oldModel, newModel);
|
| 495 |
|
|
|
| 496 |
|
|
if (editor == null)
|
| 497 |
|
|
setEditor(createEditor(model));
|
| 498 |
|
|
}
|
| 499 |
|
|
|
| 500 |
|
|
/**
|
| 501 |
|
|
* Gets the next value without changing the current value.
|
| 502 |
|
|
*
|
| 503 |
|
|
* @return the next value
|
| 504 |
|
|
*
|
| 505 |
|
|
* @see javax.swing.SpinnerModel#getNextValue
|
| 506 |
|
|
*/
|
| 507 |
|
|
public Object getNextValue()
|
| 508 |
|
|
{
|
| 509 |
|
|
return model.getNextValue();
|
| 510 |
|
|
}
|
| 511 |
|
|
|
| 512 |
|
|
/**
|
| 513 |
|
|
* Gets the previous value without changing the current value.
|
| 514 |
|
|
*
|
| 515 |
|
|
* @return the previous value
|
| 516 |
|
|
*
|
| 517 |
|
|
* @see javax.swing.SpinnerModel#getPreviousValue
|
| 518 |
|
|
*/
|
| 519 |
|
|
public Object getPreviousValue()
|
| 520 |
|
|
{
|
| 521 |
|
|
return model.getPreviousValue();
|
| 522 |
|
|
}
|
| 523 |
|
|
|
| 524 |
|
|
/**
|
| 525 |
|
|
* Gets the <code>SpinnerUI</code> that handles this spinner
|
| 526 |
|
|
*
|
| 527 |
|
|
* @return the <code>SpinnerUI</code>
|
| 528 |
|
|
*/
|
| 529 |
|
|
public SpinnerUI getUI()
|
| 530 |
|
|
{
|
| 531 |
|
|
return (SpinnerUI) ui;
|
| 532 |
|
|
}
|
| 533 |
|
|
|
| 534 |
|
|
/**
|
| 535 |
|
|
* Gets the current value of the spinner, according to the underly model,
|
| 536 |
|
|
* not the UI.
|
| 537 |
|
|
*
|
| 538 |
|
|
* @return the current value
|
| 539 |
|
|
*
|
| 540 |
|
|
* @see javax.swing.SpinnerModel#getValue
|
| 541 |
|
|
*/
|
| 542 |
|
|
public Object getValue()
|
| 543 |
|
|
{
|
| 544 |
|
|
return model.getValue();
|
| 545 |
|
|
}
|
| 546 |
|
|
|
| 547 |
|
|
/**
|
| 548 |
|
|
* DOCUMENT ME!
|
| 549 |
|
|
*
|
| 550 |
|
|
* @param value DOCUMENT ME!
|
| 551 |
|
|
*/
|
| 552 |
|
|
public void setValue(Object value)
|
| 553 |
|
|
{
|
| 554 |
|
|
model.setValue(value);
|
| 555 |
|
|
}
|
| 556 |
|
|
|
| 557 |
|
|
/**
|
| 558 |
|
|
* This method returns a name to identify which look and feel class will be
|
| 559 |
|
|
* the UI delegate for this spinner.
|
| 560 |
|
|
*
|
| 561 |
|
|
* @return The UIClass identifier. "SpinnerUI"
|
| 562 |
|
|
*/
|
| 563 |
|
|
public String getUIClassID()
|
| 564 |
|
|
{
|
| 565 |
|
|
return "SpinnerUI";
|
| 566 |
|
|
}
|
| 567 |
|
|
|
| 568 |
|
|
/**
|
| 569 |
|
|
* This method resets the spinner's UI delegate to the default UI for the
|
| 570 |
|
|
* current look and feel.
|
| 571 |
|
|
*/
|
| 572 |
|
|
public void updateUI()
|
| 573 |
|
|
{
|
| 574 |
|
|
setUI((SpinnerUI) UIManager.getUI(this));
|
| 575 |
|
|
}
|
| 576 |
|
|
|
| 577 |
|
|
/**
|
| 578 |
|
|
* This method sets the spinner's UI delegate.
|
| 579 |
|
|
*
|
| 580 |
|
|
* @param ui The spinner's UI delegate.
|
| 581 |
|
|
*/
|
| 582 |
|
|
public void setUI(SpinnerUI ui)
|
| 583 |
|
|
{
|
| 584 |
|
|
super.setUI(ui);
|
| 585 |
|
|
}
|
| 586 |
|
|
|
| 587 |
|
|
/**
|
| 588 |
|
|
* Adds a <code>ChangeListener</code>
|
| 589 |
|
|
*
|
| 590 |
|
|
* @param listener the listener to add
|
| 591 |
|
|
*/
|
| 592 |
|
|
public void addChangeListener(ChangeListener listener)
|
| 593 |
|
|
{
|
| 594 |
|
|
listenerList.add(ChangeListener.class, listener);
|
| 595 |
|
|
}
|
| 596 |
|
|
|
| 597 |
|
|
/**
|
| 598 |
|
|
* Remove a particular listener
|
| 599 |
|
|
*
|
| 600 |
|
|
* @param listener the listener to remove
|
| 601 |
|
|
*/
|
| 602 |
|
|
public void removeChangeListener(ChangeListener listener)
|
| 603 |
|
|
{
|
| 604 |
|
|
listenerList.remove(ChangeListener.class, listener);
|
| 605 |
|
|
}
|
| 606 |
|
|
|
| 607 |
|
|
/**
|
| 608 |
|
|
* Gets all the <code>ChangeListener</code>s
|
| 609 |
|
|
*
|
| 610 |
|
|
* @return all the <code>ChangeListener</code>s
|
| 611 |
|
|
*/
|
| 612 |
|
|
public ChangeListener[] getChangeListeners()
|
| 613 |
|
|
{
|
| 614 |
|
|
return (ChangeListener[]) listenerList.getListeners(ChangeListener.class);
|
| 615 |
|
|
}
|
| 616 |
|
|
|
| 617 |
|
|
/**
|
| 618 |
|
|
* Fires a <code>ChangeEvent</code> to all the <code>ChangeListener</code>s
|
| 619 |
|
|
* added to this <code>JSpinner</code>
|
| 620 |
|
|
*/
|
| 621 |
|
|
protected void fireStateChanged()
|
| 622 |
|
|
{
|
| 623 |
|
|
ChangeEvent evt = new ChangeEvent(this);
|
| 624 |
|
|
ChangeListener[] listeners = getChangeListeners();
|
| 625 |
|
|
|
| 626 |
|
|
for (int i = 0; i < listeners.length; ++i)
|
| 627 |
|
|
listeners[i].stateChanged(evt);
|
| 628 |
|
|
}
|
| 629 |
|
|
|
| 630 |
|
|
/**
|
| 631 |
|
|
* Creates an editor for this <code>JSpinner</code>. Really, it should be a
|
| 632 |
|
|
* <code>JSpinner.DefaultEditor</code>, but since that should be
|
| 633 |
|
|
* implemented by a JFormattedTextField, and one is not written, I am just
|
| 634 |
|
|
* using a dummy one backed by a JLabel.
|
| 635 |
|
|
*
|
| 636 |
|
|
* @param model DOCUMENT ME!
|
| 637 |
|
|
*
|
| 638 |
|
|
* @return the default editor
|
| 639 |
|
|
*/
|
| 640 |
|
|
protected JComponent createEditor(SpinnerModel model)
|
| 641 |
|
|
{
|
| 642 |
|
|
if (model instanceof SpinnerDateModel)
|
| 643 |
|
|
return new DateEditor(this);
|
| 644 |
|
|
else if (model instanceof SpinnerNumberModel)
|
| 645 |
|
|
return new NumberEditor(this);
|
| 646 |
|
|
else
|
| 647 |
|
|
return new DefaultEditor(this);
|
| 648 |
|
|
}
|
| 649 |
|
|
}
|
