planelistlayout.java

Java 3D Desktop Environment旨在使用Java 3D来创建一个3D桌面环境。功能包括：分布式的应用程序

package org.j3de.ui.impl;         

import java.util.List;
import java.util.Vector;

import org.j3de.exception.ExceptionHandler;
import org.j3de.ui.LayoutConstraint;
import org.j3de.ui.Skin;
import org.j3de.ui.Skinable;
import org.j3de.ui.SkinException;
import org.j3de.ui.UIElement;
import org.j3de.ui.constraint.ConstraintParam;
import org.j3de.ui.constraint.TwoElementConstraintParam;
import org.j3de.ui.skin.SkinConstraintList;

public class PlaneListLayout extends PlaneLayout implements Skinable {
  private Skin      skin;
  private UIElement lastElement;
  
  public void add(UIElement element) {
    super.add(element);
    // Get a local reference to element
    element = elementMapper.getLocal(element).getRemoteElement();
 
    try {
      if (lastElement != null) {
        ConstraintParam param = new TwoElementConstraintParam(lastElement, element);
        LayoutConstraint constraint = skin.getLayoutConstraint(SkinConstraintList.class, param);
        super.addLayoutConstraint(constraint);
      }
    } catch (SkinException e) {
      ExceptionHandler.handleException(e);
    }
    lastElement = element;

  }    
  
  public void   remove(UIElement element)  {    
    super.remove(element);
  }

  public void setSkin(Skin skin) {
    this.skin = skin;
  } 

}