TAO/examples/Simulator/DOVEBrowser/ObservablesDialog.java

   1 //
   2 // = FILENAME
   3 //    ObservablesDialog.java
   4 //
   5 // = AUTHOR
   6 //    Michael Kircher (mk1@cs.wustl.edu)
   7 //
   8 // = DESCRIPTION
   9 //   Dialog for selecting Observables.
  10 //
  11 // ============================================================================
  12
  13 import java.awt.*;
  14 import java.awt.event.*;
  15
  16 public class ObservablesDialog extends Dialog {
  17
  18   List list_;
  19   DemoCore parent_;
  20   AnswerListener listener_;
  21
  22   ObservablesDialog (DemoCore parent,java.util.Enumeration enumeration) {
  23
  24     super ((Frame)parent, "Select Observables", true);
  25     parent_ = parent;
  26     this.setSize(400, 300);
  27     setBounds (new Rectangle (50,50,400,300));
  28
  29     list_ = new List ();
  30     list_.setFont ( new Font ("Helvetica", Font.PLAIN, 10));
  31     list_.setSize (200,200);
  32
  33     for (; enumeration.hasMoreElements();) {
  34       list_.add ((String)enumeration.nextElement());
  35     }
  36
  37
  38     Button ok_button_ = new Button ("OK");
  39     ok_button_.setFont ( new Font ("DialogHelvetica", Font.PLAIN, 10));
  40     Button cancel_button_ = new Button ("Cancel");
  41     cancel_button_.setFont ( new Font ("DialogHelvetica", Font.PLAIN, 10));
  42
  43     GridBagLayout gridbag_ = new GridBagLayout ();
  44     GridBagConstraints constraints_ = new GridBagConstraints ();
  45
  46     constraints_.fill = GridBagConstraints.BOTH;
  47     this.setLayout (gridbag_);
  48
  49     constraints_.weightx = 1.0;
  50     constraints_.weighty = 1.0;
  51     constraints_.gridwidth = GridBagConstraints.REMAINDER;
  52     gridbag_.setConstraints (list_, constraints_);
  53     this.add (list_);
  54
  55     constraints_.weightx = 1.0;
  56     constraints_.weighty = 1.0;
  57     constraints_.gridwidth = GridBagConstraints.RELATIVE;
  58     constraints_.fill = GridBagConstraints.NONE;
  59     gridbag_.setConstraints (ok_button_, constraints_);
  60     gridbag_.setConstraints (cancel_button_, constraints_);
  61     this.add (ok_button_);
  62     this.add (cancel_button_);
  63
  64     ok_button_.addActionListener (new ActionListener () {
  65       public void actionPerformed (ActionEvent e) {
  66
  67         String selected_ = ObservablesDialog.this.list_.getSelectedItem ();
  68           if (selected_ != null) {
  69             System.out.println (">>>>> " + selected_);
  70             if (listener_ != null) {
  71               AnswerEvent ev = new AnswerEvent (ObservablesDialog.this, selected_);
  72               listener_.ok (ev);
  73             }
  74             ObservablesDialog.this.setVisible (false);
  75           }
  76       }
  77     });
  78
  79      cancel_button_.addActionListener (new ActionListener () {
  80       public void actionPerformed (ActionEvent e) {
  81         ObservablesDialog.this.setVisible (false);
  82       }
  83      });
  84   }
  85
  86   public void addAnswerListener (AnswerListener al) {
  87     listener_ = al;
  88   }
  89 }