package ij.plugin.frame;
import java.awt.*;
import java.awt.event.*;
import ij.*;
import ij.plugin.*;

/**  This is a non-modal dialog that plugins can extend. */
public class PlugInDialog extends Dialog implements PlugIn, WindowListener, FocusListener {

    String title;
    
    public PlugInDialog(String title) {
        super(IJ.isMacOSX()?IJ.getInstance():IJ.isJava16()?null:new Frame(),title);
        enableEvents(AWTEvent.WINDOW_EVENT_MASK);
        this.title = title;
        ImageJ ij = IJ.getInstance();
        if (IJ.isMacOSX() && ij!=null) {
            ij.toFront(); // needed for keyboard shortcuts to work
            IJ.wait(250);
        }
        addWindowListener(this);
        addFocusListener(this);
        if (IJ.isLinux()) setBackground(ImageJ.backgroundColor);
        if (ij!=null && !IJ.isMacOSX() && IJ.isJava16()) {
            Image img = ij.getIconImage();
            if (img!=null)
                try {setIconImage(img);} catch (Exception e) {}
        }
    }
    
    public void run(String arg) {
    }
    
    public void windowClosing(WindowEvent e) {
        if (e.getSource()==this) {
            close();
            if (Recorder.record)
                Recorder.record("run", "Close");
        }
    }
    
    /** Closes this window. */
    public void close() {
        //setVisible(false);
        dispose();
        WindowManager.removeWindow(this);
    }

    public void windowActivated(WindowEvent e) {
        ImageJ ij = IJ.getInstance();
        if (IJ.isMacOSX() && ij!=null && !ij.isActive() && !(this instanceof ThresholdAdjuster))
            ij.toFront();
        WindowManager.setWindow(this);
    }

    public void focusGained(FocusEvent e) {
        WindowManager.setWindow(this);
    }

    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) {}
    public void focusLost(FocusEvent e) {}
}