1 /*
   2  * Copyright (c) 2004, 2006, 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 sun.tools.jconsole;
  27 
  28 import java.awt.*;
  29 
  30 import javax.swing.*;
  31 
  32 @SuppressWarnings("serial")
  33 public class LabeledComponent extends JPanel {
  34     JPanel rightPanel;
  35     String labelStr, valueLabelStr, compoundStr;
  36     JLabel label;
  37     JComponent comp;
  38 
  39     public LabeledComponent(String text, JComponent comp) {
  40         this(text, 0, comp);
  41     }
  42 
  43     public LabeledComponent(String text, int mnemonic, JComponent comp) {
  44         super(new BorderLayout(6, 6));
  45 
  46         this.labelStr = text;
  47         this.label = new JLabel(text, JLabel.RIGHT);
  48         this.comp = comp;
  49 
  50         label.setLabelFor(comp);
  51         if (mnemonic > 0) {
  52             label.setDisplayedMnemonic(mnemonic);
  53         }
  54 
  55         add(label, BorderLayout.WEST);
  56         add(comp,  BorderLayout.CENTER);
  57     }
  58 
  59     public void setLabel(String str) {
  60         this.labelStr = str;
  61         updateLabel();
  62     }
  63 
  64     public void setValueLabel(String str) {
  65         this.valueLabelStr = str;
  66         updateLabel();
  67     }
  68 
  69     private void updateLabel() {
  70         String str = labelStr;
  71         label.setText(str);
  72         this.compoundStr = str;
  73         JComponent container = (JComponent)getParent();
  74         LabeledComponent.layout(container);
  75     }
  76 
  77     public static void layout(Container container) {
  78         int wMax = 0;
  79 
  80         for (Component c : container.getComponents()) {
  81             if (c instanceof LabeledComponent) {
  82                 LabeledComponent lc = (LabeledComponent)c;
  83 lc.label.setPreferredSize(null);
  84 //              int w = lc.label.getMinimumSize().width;
  85 int w = lc.label.getPreferredSize().width;
  86                 if (w > wMax) {
  87                     wMax = w;
  88                 }
  89             }
  90         }
  91 
  92         for (Component c : container.getComponents()) {
  93             if (c instanceof LabeledComponent) {
  94                 LabeledComponent lc = (LabeledComponent)c;
  95                 JLabel label = lc.label;
  96                 int h = label.getPreferredSize().height;
  97 
  98                 label.setPreferredSize(new Dimension(wMax, h));
  99                 label.setHorizontalAlignment(JLabel.RIGHT);
 100             }
 101         }
 102     }
 103 }