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package ij.gui;
import ij.*;
import java.awt.*;
import java.awt.event.*;
/** A modal dialog box with a one line message and
"Yes", "No" and "Cancel" buttons. */
public class YesNoCancelDialog extends Dialog implements ActionListener, KeyListener, WindowListener {
private Button yesB, noB, cancelB;
private boolean cancelPressed, yesPressed;
private boolean firstPaint = true;
public YesNoCancelDialog(Frame parent, String title, String msg) {
this(parent, title, msg, " Yes ", " No ");
}
public YesNoCancelDialog(Frame parent, String title, String msg, String yesLabel, String noLabel) {
super(parent, title, true);
setLayout(new BorderLayout());
Panel panel = new Panel();
panel.setLayout(new FlowLayout(FlowLayout.LEFT, 10, 10));
MultiLineLabel message = new MultiLineLabel(msg);
message.setFont(new Font("Dialog", Font.PLAIN, 14));
panel.add(message);
add("North", panel);
panel = new Panel();
panel.setLayout(new FlowLayout(FlowLayout.RIGHT, 15, 8));
if (msg.startsWith("Save")) {
yesB = new Button(" Save ");
noB = new Button("Don't Save");
cancelB = new Button(" Cancel ");
} else {
yesB = new Button(yesLabel);
noB = new Button(noLabel);
cancelB = new Button(" Cancel ");
}
yesB.addActionListener(this);
noB.addActionListener(this);
cancelB.addActionListener(this);
yesB.addKeyListener(this);
noB.addKeyListener(this);
cancelB.addKeyListener(this);
if (IJ.isWindows() || Prefs.dialogCancelButtonOnRight) {
panel.add(yesB);
panel.add(noB);
panel.add(cancelB);
} else {
panel.add(noB);
panel.add(cancelB);
panel.add(yesB);
}
if (IJ.isMacintosh())
setResizable(false);
add("South", panel);
addWindowListener(this);
GUI.scale(this);
pack();
yesB.requestFocusInWindow();
GUI.centerOnImageJScreen(this);
show();
}
public void actionPerformed(ActionEvent e) {
if (e.getSource()==cancelB)
cancelPressed = true;
else if (e.getSource()==yesB)
yesPressed = true;
closeDialog();
}
/** Returns true if the user dismissed dialog by pressing "Cancel". */
public boolean cancelPressed() {
return cancelPressed;
}
/** Returns true if the user dismissed dialog by pressing "Yes". */
public boolean yesPressed() {
return yesPressed;
}
void closeDialog() {
dispose();
}
public void keyPressed(KeyEvent e) {
int keyCode = e.getKeyCode();
IJ.setKeyDown(keyCode);
if (keyCode==KeyEvent.VK_ENTER) {
if (cancelB.isFocusOwner()) {
cancelPressed = true;
closeDialog();
} else if (noB.isFocusOwner()) {
closeDialog();
} else {
yesPressed = true;
closeDialog();
}
} else if (keyCode==KeyEvent.VK_Y||keyCode==KeyEvent.VK_S) {
yesPressed = true;
closeDialog();
} else if (keyCode==KeyEvent.VK_N || keyCode==KeyEvent.VK_D) {
closeDialog();
} else if (keyCode==KeyEvent.VK_ESCAPE||keyCode==KeyEvent.VK_C) {
cancelPressed = true;
closeDialog();
IJ.resetEscape();
}
}
public void keyReleased(KeyEvent e) {
int keyCode = e.getKeyCode();
IJ.setKeyUp(keyCode);
}
public void keyTyped(KeyEvent e) {}
public void paint(Graphics g) {
super.paint(g);
if (firstPaint) {
yesB.requestFocus();
firstPaint = false;
}
}
public void windowClosing(WindowEvent e) {
cancelPressed = true;
closeDialog();
}
public void windowActivated(WindowEvent e) {}
public void windowOpened(WindowEvent e) {}
public void windowClosed(WindowEvent e) {}
public void windowIconified(WindowEvent e) {}
public void windowDeiconified(WindowEvent e) {}
public void windowDeactivated(WindowEvent e) {}
}
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