src/share/classes/javax/swing/colorchooser/ValueFormatter.java

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   1 /*
   2  * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javax.swing.colorchooser;
  27 
  28 import java.awt.event.FocusEvent;
  29 import java.awt.event.FocusListener;
  30 import java.text.ParseException;
  31 import static java.util.Locale.ENGLISH;
  32 import javax.swing.JFormattedTextField;
  33 import javax.swing.JFormattedTextField.AbstractFormatter;
  34 import javax.swing.SwingConstants;
  35 import javax.swing.SwingUtilities;
  36 import javax.swing.text.AttributeSet;
  37 import javax.swing.text.BadLocationException;
  38 import javax.swing.text.DefaultFormatterFactory;
  39 import javax.swing.text.DocumentFilter;
  40 

  41 final class ValueFormatter extends AbstractFormatter implements FocusListener, Runnable {
  42 
  43     static void init(int length, boolean hex, JFormattedTextField text) {
  44         ValueFormatter formatter = new ValueFormatter(length, hex);
  45         text.setColumns(length);
  46         text.setFormatterFactory(new DefaultFormatterFactory(formatter));
  47         text.setHorizontalAlignment(SwingConstants.RIGHT);
  48         text.setMinimumSize(text.getPreferredSize());
  49         text.addFocusListener(formatter);
  50     }
  51 
  52     private final DocumentFilter filter = new DocumentFilter() {
  53         @Override
  54         public void remove(FilterBypass fb, int offset, int length) throws BadLocationException {
  55             if (isValid(fb.getDocument().getLength() - length)) {
  56                 fb.remove(offset, length);
  57             }
  58         }
  59 
  60         @Override


   1 /*
   2  * Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javax.swing.colorchooser;
  27 
  28 import java.awt.event.FocusEvent;
  29 import java.awt.event.FocusListener;
  30 import java.text.ParseException;
  31 import static java.util.Locale.ENGLISH;
  32 import javax.swing.JFormattedTextField;
  33 import javax.swing.JFormattedTextField.AbstractFormatter;
  34 import javax.swing.SwingConstants;
  35 import javax.swing.SwingUtilities;
  36 import javax.swing.text.AttributeSet;
  37 import javax.swing.text.BadLocationException;
  38 import javax.swing.text.DefaultFormatterFactory;
  39 import javax.swing.text.DocumentFilter;
  40 
  41 @SuppressWarnings("serial") // Same-version serialization only
  42 final class ValueFormatter extends AbstractFormatter implements FocusListener, Runnable {
  43 
  44     static void init(int length, boolean hex, JFormattedTextField text) {
  45         ValueFormatter formatter = new ValueFormatter(length, hex);
  46         text.setColumns(length);
  47         text.setFormatterFactory(new DefaultFormatterFactory(formatter));
  48         text.setHorizontalAlignment(SwingConstants.RIGHT);
  49         text.setMinimumSize(text.getPreferredSize());
  50         text.addFocusListener(formatter);
  51     }
  52 
  53     private final DocumentFilter filter = new DocumentFilter() {
  54         @Override
  55         public void remove(FilterBypass fb, int offset, int length) throws BadLocationException {
  56             if (isValid(fb.getDocument().getLength() - length)) {
  57                 fb.remove(offset, length);
  58             }
  59         }
  60 
  61         @Override