1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
* AirportBaseStationHangup Utility
*
* Copyright (C) 2000, Jonathan Sevy <jsevy@mcs.drexel.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package airporthangup;
import java.awt.*;
import java.awt.event.*;
class InputDialog extends Dialog
implements ActionListener
{
private TextField responseField;
private String initialResponse;
private boolean cancelled;
public InputDialog(Frame owner, String message, String initialResponse)
{
super(owner, true); // true -> modal dialog
this.setLayout(new BorderLayout());
this.add(new Label(message), BorderLayout.NORTH);
responseField = new TextField(20);
responseField.setText(initialResponse);
this.add(responseField, BorderLayout.CENTER);
Panel buttonPanel = new Panel();
buttonPanel.setLayout(new BorderLayout());
Button okButton = new Button("OK");
okButton.setActionCommand("ok");
okButton.addActionListener(this);
buttonPanel.add(okButton, BorderLayout.WEST);
Button cancelButton = new Button("Cancel");
cancelButton.setActionCommand("cancel");
cancelButton.addActionListener(this);
buttonPanel.add(cancelButton, BorderLayout.EAST);
this.add(buttonPanel, BorderLayout.SOUTH);
this.initialResponse = initialResponse;
this.cancelled = false;
}
public InputDialog(Frame owner, String message)
{
// just no initial response
this(owner, message, "");
}
public void actionPerformed(ActionEvent theEvent)
// respond to button pushes, menu selections
{
String command = theEvent.getActionCommand();
if (command == "ok")
{
this.hide();
}
if (command == "cancel")
{
cancelled = true;
this.hide();
}
}
public static String getInputFromDialog(Frame owner, String message, String initialResponse)
{
InputDialog theDialog = new InputDialog(owner, message, initialResponse);
theDialog.pack();
theDialog.show();
// show() will block until hide() is called in response to a click on the
// OK or Cancel buttons
String responseString;
if (theDialog.cancelled)
responseString = null;
else
responseString = theDialog.responseField.getText();
theDialog.dispose();
return responseString;
}
}
|
