layoutmanager2.java

来自「纯java操作系统jnode,安装简单和操作简单的个人使用的Java操作系统」· Java 代码 · 共 39 行

/* interface LayoutManager2
 *
 * Copyright (C) 2001  R M Pitman
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package charva.awt;


/**
 * Defines an interface for classes that know how to lay out a Container
 * based on a layout-constraints object.
 */
public interface LayoutManager2
    extends LayoutManager
{

    public void addLayoutComponent(Component component_, Object constraints_);

    /**
     * Invalidates the layout, indicating that if the layout manager has cached
     * information it should be discarded.
     */
    public void invalidateLayout(Container target_);
}