JDK8/Java8源码在线阅读

/*
 * Copyright (c) 1995, 2005, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 */
package java.awt;

/**
 * Defines the interface for classes that know how to lay out
 * <code>Container</code>s.
 * <p>
 * Swing's painting architecture assumes the children of a
 * <code>JComponent</code> do not overlap.  If a
 * <code>JComponent</code>'s <code>LayoutManager</code> allows
 * children to overlap, the <code>JComponent</code> must override
 * <code>isOptimizedDrawingEnabled</code> to return false.
 *
 * @see Container
 * @see javax.swing.JComponent#isOptimizedDrawingEnabled
 *
 * @author      Sami Shaio
 * @author      Arthur van Hoff
 */
public interface LayoutManager {
    /**
     * If the layout manager uses a per-component string,
     * adds the component <code>comp</code> to the layout,
     * associating it
     * with the string specified by <code>name</code>.
     *
     * @param name the string to be associated with the component
     * @param comp the component to be added
     */
    void addLayoutComponent(String name, Component comp);

    /**
     * Removes the specified component from the layout.
     * @param comp the component to be removed
     */
    void removeLayoutComponent(Component comp);

    /**
     * Calculates the preferred size dimensions for the specified
     * container, given the components it contains.
     * @param parent the container to be laid out
     *
     * @see #minimumLayoutSize
     */
    Dimension preferredLayoutSize(Container parent);

    /**
     * Calculates the minimum size dimensions for the specified

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