Mega Code Archive
Change the sizes of all the passed buttons to be the size of the largest one
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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.Container;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.Frame;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.geom.Rectangle2D;
import java.beans.PropertyVetoException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
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 {
/**
* Change the sizes of all the passed buttons to be the size of the largest
* one.
*
* @param btns
* Array of buttons to eb resized.
*
* @throws IllegalArgumentException
* If <TT>btns</TT> is <TT>null</TT>.
*/
public static void setJButtonSizesTheSame(JButton[] btns) {
if (btns == null) {
throw new IllegalArgumentException("null JButton[] passed");
}
// Get the largest width and height
final Dimension maxSize = new Dimension(0, 0);
for (int i = 0; i < btns.length; ++i) {
final JButton btn = btns[i];
final FontMetrics fm = btn.getFontMetrics(btn.getFont());
Rectangle2D bounds = fm.getStringBounds(btn.getText(), btn.getGraphics());
int boundsHeight = (int) bounds.getHeight();
int boundsWidth = (int) bounds.getWidth();
maxSize.width = boundsWidth > maxSize.width ? boundsWidth : maxSize.width;
maxSize.height = boundsHeight > maxSize.height ? boundsHeight : maxSize.height;
}
Insets insets = btns[0].getInsets();
maxSize.width += insets.left + insets.right;
maxSize.height += insets.top + insets.bottom;
for (int i = 0; i < btns.length; ++i) {
JButton btn = btns[i];
btn.setPreferredSize(maxSize);
}
}
}
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