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1   /***
2    * Redistribution  and use  in source  and binary  forms, with  or without
3    * modification, are permitted provided  that the following conditions are
4    * met :
5    *
6    * . Redistributions  of  source  code  must  retain  the  above copyright
7    *   notice, this list of conditions and the following disclaimer.
8    *
9    * . Redistributions in  binary form  must reproduce  the above  copyright
10   *   notice, this list of conditions  and the following disclaimer in  the
11   *   documentation and/or other materials provided with the distribution.
12   *
13   * . The name of the author may not be used to endorse or promote products
14   *   derived from this software without specific prior written permission.
15   *
16   * THIS SOFTWARE IS  PROVIDED BY THE  AUTHOR ``AS IS''  AND ANY EXPRESS  OR
17   * IMPLIED  WARRANTIES,  INCLUDING,  BUT   NOT  LIMITED  TO,  THE   IMPLIED
18   * WARRANTIES OF MERCHANTABILITY AND  FITNESS FOR A PARTICULAR  PURPOSE ARE
19   * DISCLAIMED.  IN NO  EVENT SHALL  THE AUTHOR  BE LIABLE  FOR ANY  DIRECT,
20   * INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR  CONSEQUENTIAL  DAMAGES
21   * (INCLUDING,  BUT  NOT LIMITED  TO,  PROCUREMENT OF  SUBSTITUTE  GOODS OR
22   * SERVICES;  LOSS  OF USE,  DATA,  OR PROFITS;  OR  BUSINESS INTERRUPTION)
23   * HOWEVER CAUSED  AND ON  ANY THEORY  OF LIABILITY,  WHETHER IN  CONTRACT,
24   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25   * ANY  WAY  OUT OF  THE  USE OF  THIS  SOFTWARE, EVEN  IF  ADVISED OF  THE
26   * POSSIBILITY OF SUCH DAMAGE.
27   *
28   * $Id: InputView.java,v 1.12 2005/09/10 23:59:52 mat007 Exp $
29   */
30  
31  package jtge.sample.chat.client.ui;
32  
33  import java.awt.event.ActionEvent;
34  import java.awt.event.ActionListener;
35  import javax.swing.JPanel;
36  import javax.swing.JTextField;
37  import jtge.engine.io.IStatusObserver;
38  import jtge.sample.chat.client.core.IController;
39  
40  /***
41   * Implements a view for the text input panel.
42   *
43   * @author Mathieu Champlon
44   * @version $Revision: 1.12 $ $Date: 2005/09/10 23:59:52 $
45   */
46  public class InputView extends JPanel implements IStatusObserver
47  {
48      private static final long serialVersionUID = 4018880488471493045L;
49      private static final int INPUT_FIELD_SIZE = 46;
50      private final JTextField sendField;
51      private final IController controller;
52  
53      /***
54       * Create an input view.
55       *
56       * @param controller the controller
57       */
58      public InputView( final IController controller )
59      {
60          if( controller == null )
61              throw new IllegalArgumentException( "argument 'controller' is null" );
62          this.controller = controller;
63          this.sendField = createSendField();
64          add( sendField );
65          controller.register( this );
66      }
67  
68      private JTextField createSendField()
69      {
70          final JTextField field = new JTextField( INPUT_FIELD_SIZE );
71          field.addActionListener( new ActionListener()
72          {
73              public final void actionPerformed( final ActionEvent e )
74              {
75                  controller.send( field.getText() );
76                  field.setText( "" );
77              }
78          } );
79          field.setEditable( false );
80          return field;
81      }
82  
83      /***
84       * {@inheritDoc}
85       */
86      public final void connected()
87      {
88          sendField.setEditable( true );
89      }
90  
91      /***
92       * {@inheritDoc}
93       */
94      public final void disconnected()
95      {
96          sendField.setEditable( false );
97      }
98  }