jdk/src/share/demo/jfc/Metalworks/MetalworksDocumentFrame.java

/*
 * Copyright 1998 Sun Microsystems, Inc.  All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 */

import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.border.*;


/**
  * This is a subclass of JInternalFrame which displays documents.
  *
  * @author Steve Wilson
  */
public class MetalworksDocumentFrame extends JInternalFrame {

    static int openFrameCount = 0;
    static final int offset = 30;

    public MetalworksDocumentFrame() {
        super("", true, true, true, true);
        openFrameCount++;
        setTitle("Untitled Message " + openFrameCount);

        JPanel top = new JPanel();
        top.setBorder(new EmptyBorder(10, 10, 10, 10));
        top.setLayout(new BorderLayout());
        top.add(buildAddressPanel(), BorderLayout.NORTH);

        JTextArea content = new JTextArea( 15, 30 );
        content.setBorder( new EmptyBorder(0,5 ,0, 5) );
        content.setLineWrap(true);



        JScrollPane textScroller = new JScrollPane(content,
                                                   JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
                                                   JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED );
        top.add( textScroller, BorderLayout.CENTER);


        setContentPane(top);
        pack();
        setLocation( offset * openFrameCount, offset *openFrameCount);

    }

    private JPanel buildAddressPanel() {
        JPanel p = new JPanel();
        p.setLayout( new LabeledPairLayout() );


        JLabel toLabel = new JLabel("To: ", JLabel.RIGHT);
        JTextField toField = new JTextField(25);
        p.add(toLabel, "label");
        p.add(toField, "field");


        JLabel subLabel = new JLabel("Subj: ", JLabel.RIGHT);
        JTextField subField = new JTextField(25);
        p.add(subLabel, "label");
        p.add(subField, "field");


        JLabel ccLabel = new JLabel("cc: ", JLabel.RIGHT);
        JTextField ccField = new JTextField(25);
        p.add(ccLabel, "label");
        p.add(ccField, "field");

        return p;

    }

    class LabeledPairLayout implements LayoutManager {

      Vector labels = new Vector();
      Vector fields = new Vector();

      int yGap = 2;
      int xGap = 2;

      public void addLayoutComponent(String s, Component c) {
          if (s.equals("label")) {
              labels.addElement(c);
          }  else {
              fields.addElement(c);
          }
      }

      public void layoutContainer(Container c) {
          Insets insets = c.getInsets();

          int labelWidth = 0;
          Enumeration labelIter = labels.elements();
          while(labelIter.hasMoreElements()) {
              JComponent comp = (JComponent)labelIter.nextElement();
              labelWidth = Math.max( labelWidth, comp.getPreferredSize().width );
          }

          int yPos = insets.top;

          Enumeration fieldIter = fields.elements();
          labelIter = labels.elements();
          while(labelIter.hasMoreElements() && fieldIter.hasMoreElements()) {
              JComponent label = (JComponent)labelIter.nextElement();
              JComponent field = (JComponent)fieldIter.nextElement();
              int height = Math.max(label.getPreferredSize().height, field.getPreferredSize().height);
              label.setBounds( insets.left, yPos, labelWidth, height );
              field.setBounds( insets.left + labelWidth + xGap,
                                 yPos,
                                 c.getSize().width - (labelWidth +xGap + insets.left + insets.right),
                                 height );
              yPos += (height + yGap);
          }

      }


      public Dimension minimumLayoutSize(Container c) {
          Insets insets = c.getInsets();

          int labelWidth = 0;
          Enumeration labelIter = labels.elements();
          while(labelIter.hasMoreElements()) {
              JComponent comp = (JComponent)labelIter.nextElement();
              labelWidth = Math.max( labelWidth, comp.getPreferredSize().width );
          }

          int yPos = insets.top;

          labelIter = labels.elements();
          Enumeration fieldIter = fields.elements();
          while(labelIter.hasMoreElements() && fieldIter.hasMoreElements()) {
              JComponent label = (JComponent)labelIter.nextElement();
              JComponent field = (JComponent)fieldIter.nextElement();
              int height = Math.max(label.getPreferredSize().height, field.getPreferredSize().height);
              yPos += (height + yGap);
          }
          return new Dimension( labelWidth * 3 , yPos );
      }

      public Dimension preferredLayoutSize(Container c) {
          Dimension d = minimumLayoutSize(c);
          d.width *= 2;
          return d;
      }

      public void removeLayoutComponent(Component c) {}

}


}