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// $Id$
//
// = FILENAME
// ObservablesDialog.java
//
// = AUTHOR
// Michael Kircher (mk1@cs.wustl.edu)
//
// = DESCRIPTION
// Dialog for selecting Observables.
//
// ============================================================================
import java.awt.*;
import java.awt.event.*;
public class ObservablesDialog extends Dialog {
List list_;
DemoCore parent_;
AnswerListener listener_;
ObservablesDialog (DemoCore parent,java.util.Enumeration enumeration) {
super ((Frame)parent, "Select Observables", true);
parent_ = parent;
this.setSize(400, 300);
setBounds (new Rectangle (50,50,400,300));
list_ = new List ();
list_.setFont ( new Font ("Helvetica", Font.PLAIN, 10));
list_.setSize (200,200);
for (; enumeration.hasMoreElements();) {
list_.add ((String)enumeration.nextElement());
}
Button ok_button_ = new Button ("OK");
ok_button_.setFont ( new Font ("DialogHelvetica", Font.PLAIN, 10));
Button cancel_button_ = new Button ("Cancel");
cancel_button_.setFont ( new Font ("DialogHelvetica", Font.PLAIN, 10));
GridBagLayout gridbag_ = new GridBagLayout ();
GridBagConstraints constraints_ = new GridBagConstraints ();
constraints_.fill = GridBagConstraints.BOTH;
this.setLayout (gridbag_);
constraints_.weightx = 1.0;
constraints_.weighty = 1.0;
constraints_.gridwidth = GridBagConstraints.REMAINDER;
gridbag_.setConstraints (list_, constraints_);
this.add (list_);
constraints_.weightx = 1.0;
constraints_.weighty = 1.0;
constraints_.gridwidth = GridBagConstraints.RELATIVE;
constraints_.fill = GridBagConstraints.NONE;
gridbag_.setConstraints (ok_button_, constraints_);
gridbag_.setConstraints (cancel_button_, constraints_);
this.add (ok_button_);
this.add (cancel_button_);
ok_button_.addActionListener (new ActionListener () {
public void actionPerformed (ActionEvent e) {
String selected_ = ObservablesDialog.this.list_.getSelectedItem ();
if (selected_ != null) {
System.out.println (">>>>> " + selected_);
if (listener_ != null) {
AnswerEvent ev = new AnswerEvent (ObservablesDialog.this, selected_);
listener_.ok (ev);
}
ObservablesDialog.this.setVisible (false);
}
}
});
cancel_button_.addActionListener (new ActionListener () {
public void actionPerformed (ActionEvent e) {
ObservablesDialog.this.setVisible (false);
}
});
}
public void addAnswerListener (AnswerListener al) {
listener_ = al;
}
}
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