/*
Research Project:   Graphical Database for Category Theory
                    J. Bradbury, Dr. R. Rosebrugh, I. Rutherford
                    Mount Allison University 2001
File:               InputDialog.java
                    (author: Larry Barowski, Auburn University, 5/29/96)
Description:	      A dialog class for user input of a single string.
*/

//import statements
import java.awt.Dialog;
import java.awt.Button;
import java.awt.Frame;
import java.awt.Event;
import java.awt.TextField;
import java.awt.Component;

public class InputDialog extends Dialog
{
private int	event_id;

private TextField	text;
private Component postTo_;

/**
 *@param event_id_in this event will be posted if the user chooses "OK".
**/
public InputDialog(Frame frame, String title, Component post_to,
		int event_id_in)
	{
	super(frame, "Input", true);

	event_id = event_id_in;
        postTo_ = post_to;

	LPanel p = new LPanel();
	p.addLabel(title, 0, 0, 1.0, 1.0, 1, 0);
	text = p.addTextField(50, 0, 0, 1.0, 1.0, 1, 0);
	p.addButtonPanel("OK Cancel", 0);

	p.finish();
	add("Center", p);
	pack();
	show();
	}


public boolean action(Event event, Object object)
	{
	if(event.target instanceof Button)
		{
		if("OK".equals(object))
			{
			hide();
			dispose();
			postTo_.postEvent(new Event((Object)this, event_id,
					(Object)text.getText()));
			return true;
			}
		else if("Cancel".equals(object))
			{
			hide();
			dispose();
			return true;
			}
		}
	return super.action(event, object);
	}
}