src/share/classes/javax/swing/ViewportLayout.java

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   1 /*
   2  * Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  39  * The default layout manager for <code>JViewport</code>.
  40  * <code>ViewportLayout</code> defines
  41  * a policy for layout that should be useful for most applications.
  42  * The viewport makes its view the same size as the viewport,
  43  * however it will not make the view smaller than its minimum size.
  44  * As the viewport grows the view is kept bottom justified until
  45  * the entire view is visible, subsequently the view is kept top
  46  * justified.
  47  * <p>
  48  * <strong>Warning:</strong>
  49  * Serialized objects of this class will not be compatible with
  50  * future Swing releases. The current serialization support is
  51  * appropriate for short term storage or RMI between applications running
  52  * the same version of Swing.  As of 1.4, support for long term storage
  53  * of all JavaBeans&trade;
  54  * has been added to the <code>java.beans</code> package.
  55  * Please see {@link java.beans.XMLEncoder}.
  56  *
  57  * @author Hans Muller
  58  */

  59 public class ViewportLayout implements LayoutManager, Serializable
  60 {
  61     // Single instance used by JViewport.
  62     static ViewportLayout SHARED_INSTANCE = new ViewportLayout();
  63 
  64     /**
  65      * Adds the specified component to the layout. Not used by this class.
  66      * @param name the name of the component
  67      * @param c the the component to be added
  68      */
  69     public void addLayoutComponent(String name, Component c) { }
  70 
  71     /**
  72      * Removes the specified component from the layout. Not used by
  73      * this class.
  74      * @param c the component to remove
  75      */
  76     public void removeLayoutComponent(Component c) { }
  77 
  78 


   1 /*
   2  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  39  * The default layout manager for <code>JViewport</code>.
  40  * <code>ViewportLayout</code> defines
  41  * a policy for layout that should be useful for most applications.
  42  * The viewport makes its view the same size as the viewport,
  43  * however it will not make the view smaller than its minimum size.
  44  * As the viewport grows the view is kept bottom justified until
  45  * the entire view is visible, subsequently the view is kept top
  46  * justified.
  47  * <p>
  48  * <strong>Warning:</strong>
  49  * Serialized objects of this class will not be compatible with
  50  * future Swing releases. The current serialization support is
  51  * appropriate for short term storage or RMI between applications running
  52  * the same version of Swing.  As of 1.4, support for long term storage
  53  * of all JavaBeans&trade;
  54  * has been added to the <code>java.beans</code> package.
  55  * Please see {@link java.beans.XMLEncoder}.
  56  *
  57  * @author Hans Muller
  58  */
  59 @SuppressWarnings("serial") // Same-version serialization only
  60 public class ViewportLayout implements LayoutManager, Serializable
  61 {
  62     // Single instance used by JViewport.
  63     static ViewportLayout SHARED_INSTANCE = new ViewportLayout();
  64 
  65     /**
  66      * Adds the specified component to the layout. Not used by this class.
  67      * @param name the name of the component
  68      * @param c the the component to be added
  69      */
  70     public void addLayoutComponent(String name, Component c) { }
  71 
  72     /**
  73      * Removes the specified component from the layout. Not used by
  74      * this class.
  75      * @param c the component to remove
  76      */
  77     public void removeLayoutComponent(Component c) { }
  78 
  79