libjava/java/awt/Label.java

/* Copyright (C) 2000, 2001  Free Software Foundation

   This file is part of libjava.

This software is copyrighted work licensed under the terms of the
Libjava License.  Please consult the file "LIBJAVA_LICENSE" for
details.  */

package java.awt;
import java.awt.peer.ComponentPeer;
import java.awt.peer.LabelPeer;

/**
 * @author Tom Tromey <tromey@cygnus.com>
 * @date April 12, 2000
 */

public class Label extends Component
{
  public static final int CENTER = 1;
  public static final int LEFT = 0;
  public static final int RIGHT = 2;

  public Label ()
  {
    this ("", LEFT);
  }

  public Label (String text)
  {
    this (text, LEFT);
  }

  public Label (String text, int alignment)
  {
    if (alignment != CENTER && alignment != LEFT && alignment != RIGHT)
      throw new IllegalArgumentException ();
    this.text = text;
    this.alignment = alignment;
  }

  public void addNotify ()
  {
    if (peer == null)
      peer = getToolkit ().createLabel (this);
    super.addNotify ();
  }

  public int getAlignment ()
  {
    return alignment;
  }

  public String getText ()
  {
    return text;
  }

  protected String paramString ()
  {
    return "Label[" + alignment + "," + text + "]";
  }

  public void setAlignment (int alignment)
  {
    if (alignment != CENTER && alignment != LEFT && alignment != RIGHT)
      throw new IllegalArgumentException ();
    this.alignment = alignment;
    if (peer != null)
      {
	LabelPeer lp = (LabelPeer) peer;
	lp.setAlignment (alignment);
      }
  }

  public void setText (String text)
  {
    this.text = text;
    if (peer != null)
      {
	LabelPeer lp = (LabelPeer) peer;
	lp.setText (text);
      }
  }

  private String text;
  private int alignment;
}