AWT/Swing merge from GNU Classpath.

From-SVN: r56147

1 files changed, 133 insertions, 0 deletions

diff --git a/libjava/javax/swing/JScrollPane.java b/libjava/javax/swing/JScrollPane.java
new file mode 100644
index 0000000..70cbd2d
--- /dev/null
+++ b/libjava/javax/swing/JScrollPane.java
@@ -0,0 +1,133 @@
+/* JScrollPane.java -- 
+   Copyright (C) 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing;
+
+import java.awt.*;
+import javax.swing.plaf.*;
+
+
+public class JScrollPane extends JComponent
+{
+    protected JViewport  columnHeader;
+    protected JViewport  rowHeader;
+
+    protected Component  lowerLeft;
+    protected Component  lowerRight;
+    protected Component  upperLeft;
+    protected Component  upperRight;
+
+    protected JScrollBar horizontalScrollBar;
+    protected int        horizontalScrollBarPolicy;
+    protected JScrollBar verticalScrollBar;
+    protected int        verticalScrollBarPolicy;
+
+    protected JViewport  viewport;
+
+
+    public JScrollPane() 
+    {
+	this(null, 0, 0);
+    }
+    
+    public JScrollPane(Component view) 
+    {
+	this(view, 0, 0);
+    }
+    
+    
+    public JScrollPane(int vsbPolicy, int hsbPolicy) 
+    {
+	this(null, 0, 0);
+    }
+
+    public JScrollPane(Component view, int vsbPolicy, int hsbPolicy) 
+    {
+	setViewportView(view);
+        setOpaque(true);
+	updateUI();
+    }
+
+    public String getUIClassID()
+    {
+	//Returns a string that specifies the name of the L&F class that renders this component.  
+	return "JScrollPane";
+    }
+
+    public JViewport getViewport()
+    {
+	return viewport;
+    }
+
+    public JViewport createViewport()
+    {
+	return new JViewport();
+    }
+    
+    public void setViewport(JViewport v)
+    {
+	if (viewport != null)
+	    remove(viewport);
+
+	viewport = v;	
+	
+	add(v);
+	
+	revalidate();
+	repaint();
+    }
+    
+   public  void updateUI()
+    {
+	ScrollPaneUI b = (ScrollPaneUI)UIManager.getUI(this);
+	setUI(b);
+    }
+
+
+    public void setViewportView(Component view)
+    {
+	if (getViewport() == null)
+	    {
+		setViewport(createViewport());
+	    }
+	
+	if (view != null)
+	    {
+		getViewport().setView(view);
+	    }
+    }
+}