134 lines
3.4 KiB
Java
134 lines
3.4 KiB
Java
/* JScrollPane.java --
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing;
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import java.awt.*;
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import javax.swing.plaf.*;
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public class JScrollPane extends JComponent
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{
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protected JViewport columnHeader;
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protected JViewport rowHeader;
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protected Component lowerLeft;
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protected Component lowerRight;
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protected Component upperLeft;
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protected Component upperRight;
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protected JScrollBar horizontalScrollBar;
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protected int horizontalScrollBarPolicy;
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protected JScrollBar verticalScrollBar;
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protected int verticalScrollBarPolicy;
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protected JViewport viewport;
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public JScrollPane()
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{
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this(null, 0, 0);
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}
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public JScrollPane(Component view)
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{
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this(view, 0, 0);
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}
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public JScrollPane(int vsbPolicy, int hsbPolicy)
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{
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this(null, 0, 0);
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}
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public JScrollPane(Component view, int vsbPolicy, int hsbPolicy)
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{
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setViewportView(view);
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setOpaque(true);
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updateUI();
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}
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public String getUIClassID()
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{
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//Returns a string that specifies the name of the L&F class that renders this component.
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return "JScrollPane";
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}
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public JViewport getViewport()
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{
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return viewport;
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}
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public JViewport createViewport()
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{
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return new JViewport();
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}
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public void setViewport(JViewport v)
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{
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if (viewport != null)
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remove(viewport);
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viewport = v;
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add(v);
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revalidate();
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repaint();
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}
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public void updateUI()
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{
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ScrollPaneUI b = (ScrollPaneUI)UIManager.getUI(this);
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setUI(b);
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}
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public void setViewportView(Component view)
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{
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if (getViewport() == null)
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{
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setViewport(createViewport());
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}
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if (view != null)
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{
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getViewport().setView(view);
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}
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}
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}
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