// File: VertDialog.java
// Classes: VertDialog
// Original Author: Kedar Patankar - Alberto Medina
// Date 21 Jan 1997

package uci.graphedit;

import java.awt.Label;
import java.awt.Button;
import java.awt.TextField;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.BorderLayout;
import java.awt.Event;
import java.awt.Color;
import java.awt.FlowLayout;

import gjt.GJTDialog;
import gjt.DialogClient;
import gjt.ButtonPanel;


/*This class provides the functionality required to get the information associated 
  with the construction/alternation class being created from the user */

public class VertDialog extends GJTDialog
{
  private Label _actionName;
  private TextField _vertex_name;

  private Button _execute;
  private Button _cancel;
  private String _name;

  public VertDialog(Frame frame,DialogClient client,String title,String name)
  {
	  this(frame, client, title);
	  _vertex_name.setText(name);
	  _vertex_name.select(0,name.length());
  }

  public VertDialog(Frame frame,DialogClient client,String title)
  {
	super(frame,title,client,true);
	_actionName = new Label("Vertex Name ");
	_vertex_name = new TextField(25);
	
	_execute = new Button("OK");
	_cancel = new Button("Cancel");
	Panel label = new Panel();
	label.setLayout(new FlowLayout());
	label.add(_actionName);
	label.add(_vertex_name);
	label.setBackground(Color.lightGray);


	ButtonPanel buttonPanel = new ButtonPanel();
	buttonPanel.add(_execute);
	buttonPanel.add(_cancel);
	buttonPanel.setBackground(Color.lightGray);

	setLayout(new BorderLayout());
	add("Center",label);
	add("South",buttonPanel);
    pack();
  }

  public void show()
  {
	  _vertex_name.requestFocus();
	  super.show();
  }

  public boolean handleEvent(Event e)
  {
		switch(e.id)
		{
			case Event.WINDOW_DESTROY:
					close();
					return true;
		}
		return super.handleEvent(e);
  }



  public boolean action(Event e, Object what)
  {
    if (e.target == _cancel) {
      close();
      return true;
    }
    else 
	if ((e.target == _execute)||(e.target==_vertex_name))
	{
		if (_vertex_name.getText().length() != 0) 
		{
			executeCommand(e);
			return true;
		}
    }
    return false;
  }

  public void close() { hide();dispose(); }

  public void executeCommand(Event e)
  {
	  hide();
	  _name=_vertex_name.getText();
	  client.dialogDismissed(this);
	  dispose();
  }

  public String get_vertex_name() { return _name; }
} /* end class VertDialog */