package ij.gui;
import ij.*;
import ij.plugin.frame.RoiManager;
import java.awt.*;
import java.awt.event.*;
import java.lang.reflect.*;
/**
* This is a non-modal dialog box used to ask the user to perform some task
* while a macro or plugin is running. It implements the waitForUser() macro
* function. It is based on Michael Schmid's Wait_For_User plugin.
*/
public class WaitForUserDialog extends Dialog implements ActionListener, KeyListener {
protected Button button;
protected MultiLineLabel label;
static protected int xloc=-1, yloc=-1;
private boolean escPressed;
public WaitForUserDialog(String title, String text) {
super(getFrame(), title, false);
label = new MultiLineLabel(text, 175);
if (!IJ.isLinux()) label.setFont(new Font("SansSerif", Font.PLAIN, 14));
if (IJ.isMacOSX()) {
RoiManager rm = RoiManager.getInstance();
if (rm!=null) rm.runCommand("enable interrupts");
}
GridBagLayout gridbag = new GridBagLayout(); //set up the layout
GridBagConstraints c = new GridBagConstraints();
setLayout(gridbag);
c.insets = new Insets(6, 6, 0, 6);
c.gridx = 0; c.gridy = 0; c.anchor = GridBagConstraints.WEST;
add(label,c);
button = new Button(" OK ");
button.addActionListener(this);
button.addKeyListener(this);
c.insets = new Insets(2, 6, 6, 6);
c.gridx = 0; c.gridy = 2; c.anchor = GridBagConstraints.EAST;
add(button, c);
setResizable(false);
addKeyListener(this);
pack();
if (xloc==-1)
GUI.center(this);
else
setLocation(xloc, yloc);
if (IJ.isJava15()) try {
// Call setAlwaysOnTop() using reflection so this class can be compiled with Java 1.4
Class windowClass = Class.forName("java.awt.Window");
Method setAlwaysOnTop = windowClass.getDeclaredMethod("setAlwaysOnTop", new Class[] {Boolean.TYPE});
Object[] arglist = new Object[1]; arglist[0]=new Boolean(true);
setAlwaysOnTop.invoke(this, arglist);
} catch (Exception e) { }
}
public WaitForUserDialog(String text) {
this("Action Required", text);
}
public void show() {
super.show();
//IJ.beep();
synchronized(this) { //wait for OK
try {wait();}
catch(InterruptedException e) {return;}
}
}
static Frame getFrame() {
Frame win = WindowManager.getCurrentWindow();
if (win==null) win = IJ.getInstance();
return win;
}
public void close() {
synchronized(this) { notify(); }
xloc = getLocation().x;
yloc = getLocation().y;
//setVisible(false);
dispose();
}
public void actionPerformed(ActionEvent e) {
close();
}
public void keyPressed(KeyEvent e) {
int keyCode = e.getKeyCode();
IJ.setKeyDown(keyCode);
if (keyCode==KeyEvent.VK_ENTER || keyCode==KeyEvent.VK_ESCAPE) {
escPressed = keyCode==KeyEvent.VK_ESCAPE;
close();
}
}
public boolean escPressed() {
return escPressed;
}
public void keyReleased(KeyEvent e) {
int keyCode = e.getKeyCode();
IJ.setKeyUp(keyCode);
}
public void keyTyped(KeyEvent e) {}
}