Mega Code Archive
Get Owning Frame for Component
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/*
* Copyright (C) 2001-2004 Colin Bell
* colbell@users.sourceforge.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import java.awt.Component;
import java.awt.Frame;
import javax.swing.SwingUtilities;
/**
* Common GUI utilities accessed via static methods.
*
* @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
*/
public class GUIUtils {
/**
* Return the owning <CODE>Frame</CODE> for the passed component of <CODE>null</CODE>
* if it doesn't have one.
*
* @throws IllegalArgumentException
* If <TT>wind</TT> is <TT>null</TT>.
*/
public static Frame getOwningFrame(Component comp) {
if (comp == null) {
throw new IllegalArgumentException("null Component passed");
}
if (comp instanceof Frame) {
return (Frame) comp;
}
return getOwningFrame(SwingUtilities.windowForComponent(comp));
}
}
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