/**************************************************************************
* Copyright (c) 2001, 2002, 2003 by Punch Telematix. All rights reserved. *
*                                                                         *
* Redistribution and use in source and binary forms, with or without      *
* modification, are permitted provided that the following conditions      *
* are met:                                                                *
* 1. Redistributions of source code must retain the above copyright       *
*    notice, this list of conditions and the following disclaimer.        *
* 2. Redistributions in binary form must reproduce the above copyright    *
*    notice, this list of conditions and the following disclaimer in the  *
*    documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix nor the names of                 *
*    other contributors may be used to endorse or promote products        *
*    derived from this software without specific prior written permission.*
*                                                                         *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED          *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF    *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.    *
* IN NO EVENT SHALL PUNCH TELEMATIX OR OTHER CONTRIBUTORS BE LIABLE       *
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR            *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF    *
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR         *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,   *
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE    *
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN  *
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                           *
**************************************************************************/

package java.awt;

import java.awt.peer.*;

public class Label extends Component {
  // Local variables:
  String text;
  int alignment = LEFT;

  // Alignment types:
  public static final int LEFT = 0;
  public static final int CENTER = 1;
  public static final int RIGHT = 2;

  private LabelPeer peer;

  public Label() {
    this("", LEFT);
  }
  
  public Label(String label) {
    this(label, LEFT);
  }
  
  public Label(String text, int alignment) {
    setText(text);

    switch (alignment) {
      case LEFT:
      case CENTER:
      case RIGHT:
        setAlignment(alignment);
        break;
      default:
         throw new IllegalArgumentException("invalid alignment: " + alignment);
    }
  }

  public void addNotify() {
    if(peer == null) {
      peer = getToolkit().createLabel(this);
    }
    
    if (notified == false) {
      super.addNotify();
    }
  }
  
  public int getAlignment() {
    return this.alignment;
  }
  
  public String getText() {
    return this.text;
  }
  
  public synchronized void setAlignment(int alignment) {
    switch (alignment) {
      case LEFT: 
      case CENTER:
      case RIGHT:
        this.alignment = alignment;
        break;
      default:
        throw new IllegalArgumentException("improper alignment: " + alignment);
    }

    valid = false;
    
    peer.setAlignment(alignment);
  }
  
  public synchronized void setText(String text) {
    this.text = text;

    invalidate();
    // valid = false;
    // if(parent != null) parent.valid = false;

    peer.setText(text);
  }

  public String toString() {
    return getClass().getName() +" - text: "+ text +", bounds: x = "+ x +", y = "+ y +", w = "+ width +", h = "+ height;
  }

  protected String paramString() {
    return getClass().getName() +" text=["+ text +"] alignment="+alignment+", bounds:("+ x +", "+ y +", "+ width +", "+ height+")";
  }
}