/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2001 - 2009 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.gui.commonswing;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
/**
* A small helper class to limit the maximum size of an element to the elements maximum size. If the element is resized,
* the defined maximum size is enforced on the element.
*
* @author Thomas Morgner
*/
public class WindowSizeLimiter extends ComponentAdapter
{
/**
* The current source.
*/
private Object currentSource;
/**
* Default-Constructor.
*/
public WindowSizeLimiter()
{
}
/**
* Invoked when the component's size changes.
*
* @param e the event.
*/
public void componentResized(final ComponentEvent e)
{
if (e.getSource() == currentSource)
{
return;
}
if (e.getSource() instanceof Component)
{
currentSource = e.getSource();
final Component c = (Component) e.getSource();
final Dimension d = c.getMaximumSize();
final Dimension s = c.getSize();
if (s.width > d.width)
{
s.width = d.width;
}
if (s.height > d.height)
{
s.height = d.height;
}
c.setSize(s);
currentSource = null;
}
}
}