source: trunk/src/gcc/libjava/java/awt/event/HierarchyEvent.java@ 2

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package java.awt.event;
import java.awt.*;

/**
 * @since 1.3
 * @author Bryce McKinlay
 */

/* Status: thought to be complete and correct.  */

public class HierarchyEvent extends AWTEvent
{
  public static final int PARENT_CHANGED         = 1 << 0,
                          DISPLAYABILITY_CHANGED = 1 << 1,
                          SHOWING_CHANGED        = 1 << 2,
                          HIERARCHY_FIRST        = 1400,
                          HIERARCHY_CHANGED      = 1400,
                          ANCESTOR_MOVED         = 1401,
                          ANCESTOR_RESIZED       = 1402,
                          HIERARCHY_LAST         = 1402;
  
  /* Serialized fields from the serialization spec. */
  Component changed;
  Container changedParent;
  long changeFlags = 0;
  
  public HierarchyEvent(Component source, int id, Component changed,
                        Container changedParent)
  {
    super(source, id);
    this.changed = changed;
    this.changedParent = changedParent;
  }
  
  public HierarchyEvent(Component source, int id, Component changed, 
                        Container changedParent, long changeFlags)
  {
    super(source,id);
    this.changed = changed;
    this.changedParent = changedParent;
    this.changeFlags = changeFlags;
  }
  
  public Component getComponent()
  {
    return (Component) source;
  }
  
  public Component getChanged()
  {
    return changed;
  }
  
  public Container getChangedParent()
  {
    return changedParent;
  }
    
  public long getChangeFlags()
  {
    return changeFlags;
  }
  
  public String paramString()
  {
    String r;
    switch (id)
      {
        case HIERARCHY_CHANGED:
          r = "HIERARCHY_CHANGED";
          break;

        case ANCESTOR_MOVED:   
          r = "ANCESTOR_MOVED";
          break;
          
        case ANCESTOR_RESIZED:
          r = "ANCESTOR_RESIZED";
          break;
                
        default:
          return "unknown type";
      }
    
    r += "(" + changed + "," + changedParent + ")";
    return r;
  }
}