confirm.java

来自「Single-layer neural networks can be trai」· Java 代码 · 共 79 行

//import java.applet.*;
import java.awt.*;
import java.awt.event.*;

// Changed by Sebastien Baehni in order to be
// deprecated compliant.
public class Confirm extends Dialog {
    
    /**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	//don't know what this is good for, but seems like making eclipse happy
	
	Button ok;
    Button cancel;
    Panel  buttonPanel;
    Panel  textPanel;
    final static public  int OK=1;
    final static public  int CANCEL=2;
    public static int answer;
    
    public Confirm(Frame frame, boolean mode,String text)
    {
	super(frame,mode);
	setTitle("Confirm");
	textPanel = new Panel();
	textPanel.setLayout(new FlowLayout(FlowLayout.CENTER));
	textPanel.add(new Label(text));
	buttonPanel = new Panel();
	buttonPanel.setLayout(new FlowLayout(FlowLayout.CENTER));
	ok     = new Button("Ok");
	// Addition of an actionlistener
	ActionListener okListener = new ActionListener() {
	    public void actionPerformed(ActionEvent e) {
		okPerformed();
	    }
	};
	ok.addActionListener(okListener);
	cancel = new Button("Cancel");
	// Addition of an actionlistener
	ActionListener cancelListener = new ActionListener() {
	    public void actionPerformed(ActionEvent e) {
		cancelPerformed();
	    }
	};
	cancel.addActionListener(cancelListener);
	buttonPanel.add(ok);
	buttonPanel.add(cancel);
	add("Center",textPanel);
	add("South",buttonPanel);
	setSize(200,128);
	answer = CANCEL;
	this.enableEvents(AWTEvent.WINDOW_EVENT_MASK);

	// We put the dialog in the center of the screen.
	Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();
	this.setLocation(Math.abs((dimension.width-this.getSize().width)/2),Math.abs((dimension.height-this.getSize().height)/2));

    }
    
    public void okPerformed() {
	answer = OK;
	this.dispose();
    }
    
    public void cancelPerformed() {
	this.dispose();
    }
    
    // We change the handleEvent to a processWindowEvent.
    protected void processWindowEvent(WindowEvent e) {	
	if (e.getID() == WindowEvent.WINDOW_CLOSING) {	 
	    this.dispose();	    
	    super.processWindowEvent(e);
	}
    }     
}