layoutconstraint.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;                                      

import java.io.Serializable;

import javax.vecmath.Vector3d;   

import org.j3de.ui.UIElement;
import org.j3de.ui.constraint.ConstraintParam;

public interface LayoutConstraint {   
  public void             setLayoutInfo(LayoutInfo layoutInfo); 
  public boolean          appliesTo(UIElement element);
  public void             getForce(Vector3d force);   
  
  /** Removes all references to element.
   * @return if the constraint is unnecesairy after removing element.
   */
  public boolean          removeReferencesTo(UIElement element);   
  public void             setParam(ConstraintParam param) throws WrongParameterException;
  public LayoutConstraint cloneConstraint();
}