AWT/Swing merge from GNU Classpath.

From-SVN: r56147

1 files changed, 137 insertions, 0 deletions

diff --git a/libjava/javax/swing/ButtonGroup.java b/libjava/javax/swing/ButtonGroup.java
new file mode 100644
index 0000000..2301e51
--- /dev/null
+++ b/libjava/javax/swing/ButtonGroup.java
@@ -0,0 +1,137 @@
+/* ButtonGroup.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.io.*;
+import java.util.*;
+import javax.swing.event.*;
+
+
+public class ButtonGroup implements Serializable 
+{
+    Vector v = new Vector();
+    ButtonModel sel;
+    
+    public ButtonGroup() {}
+    
+    public void add(AbstractButton b) 
+    {
+	b.getModel().setGroup(this);
+	v.addElement(b);
+    }
+    
+    public void remove(AbstractButton b)
+    {
+	b.getModel().setGroup(null);
+	v.removeElement(b);
+    }
+
+
+    public Enumeration getElements() {
+        return v.elements();
+    }
+
+    public ButtonModel getSelection() {
+        return sel;
+    }
+
+    AbstractButton FindButton(ButtonModel m)
+    {
+	for (int i=0;i<v.size();i++)
+	    {
+	    AbstractButton a = (AbstractButton) v.get(i);
+	    if (a.getModel()== m)
+	    {
+		return a;
+	    }
+	}
+	return null;
+    }
+
+    public void setSelected(ButtonModel m, boolean b)
+    {
+	if ((m == sel) &&
+	    (b == true))
+	    {
+		// clicked on sam item twice.
+		System.out.println("PRESSED TWICE:" + m + ", sel="+sel);
+		return;
+	    }	
+	
+	if (sel != null)
+	    {
+
+		System.out.println("DESELECTING: " + sel);
+		sel.setSelected(!b);
+
+		AbstractButton but = FindButton(sel);
+		if (but != null)
+		    {
+			System.out.println("REPAINT-REQUIST: " + but.text);
+			//but.revalidate();
+			but.repaint();
+		    }
+	    }
+	else
+	    {
+		System.out.println("NO SELECTION YET");
+	    }
+	
+	sel = m;
+    }
+    
+    public boolean isSelected(ButtonModel m) 
+    {
+        return (m == sel);
+    }
+
+    public int getButtonCount() 
+    {
+	return v.size();
+    }
+
+}
+
+
+
+
+
+
+
+
+