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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* ident "%Z%%M% %I% %E% SMI"
*
* Copyright (c) 1999-2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
import java.awt.*;
import java.awt.event.*;
/**
* Returns null when the dialog box is closed through the window closing menu.
*/
public class ChoiceDialog extends java.awt.Dialog {
private String result = null;
public ChoiceDialog(Frame parent, String title,
String[] messageLines, String[] buttonText,
int bottomLeftX, int bottomLeftY) {
super(parent, title, true);
addLinesAndButtons(messageLines, buttonText);
positionDialog(bottomLeftX, bottomLeftY);
finishDialog();
}
public ChoiceDialog(Frame parent, String title,
String[] messageLines, String[] buttonText) {
super(parent, title, true);
addLinesAndButtons(messageLines, buttonText);
positionDialog(parent);
finishDialog();
}
public void addLinesAndButtons(String[] messageLines, String[] buttonText) {
Panel panel = new Panel();
panel.setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.weightx = gbc.weighty = 1;
gbc.gridx = gbc.gridy = 1;
for (int i = 0; i < messageLines.length; i++) {
Label t = new Label(" "+messageLines[i]);
panel.add(t, gbc);
gbc.gridy++;
}
add(panel, "Center" /* NOI18N */);
panel = new Panel();
panel.setLayout(new FlowLayout(FlowLayout.CENTER, 20, 5));
for (int i = 0; i < buttonText.length; i++) {
Button b = new Button(buttonText[i]);
b.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
result = e.getActionCommand();
dispose();
}
});
panel.add(b);
}
add(panel, "South" /* NOI18N */);
}
public void finishDialog() {
Frame parent = (Frame)getParent();
setResizable(false);
setBackground(parent.getBackground());
setForeground(parent.getForeground());
addWindowListener(new WindowCloseListener());
setVisible(true);
}
public void positionDialog(Frame frame) {
Point p = frame.getLocationOnScreen();
Dimension s1 = frame.getSize();
pack();
Dimension s2 = getSize();
p.x += s1.width/2 - s2.width/2;
p.y += s1.height/2 - s2.height/2;
setLocation(p.x, p.y);
}
public void positionDialog(int bottomLeftX, int bottomLeftY) {
Point p = new Point(bottomLeftX, bottomLeftY);
pack();
Dimension s = getSize();
p.y -= s.height;
setLocation(p.x, p.y);
}
// return the name of the selected button.
public String getSelection() {
return result;
}
private class WindowCloseListener extends WindowAdapter {
public void windowClosing(WindowEvent e) {
dispose();
}
}
public static void main(String[] args) {
Frame frame = new Frame();
frame.setVisible(true);
String[] lines = {"line one", "line two"};
String[] buttons = {"button one", "button two"};
ChoiceDialog c1 = new ChoiceDialog(frame, "Hi", lines, buttons,
100, 100);
String s = c1.getSelection();
System.out.println("Returned "+s);
String[] warnlines = {"You are about to lose changes",
"Press OK to discard changes or"
+" Cancel to continue editing."};
String[] warnbuttons = {"OK", "Cancel"};
c1 = new ChoiceDialog(frame, "Confirm Action",
warnlines, warnbuttons);
s = c1.getSelection();
System.out.println("Returned "+s);
System.exit(0);
}
}
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