/*

 * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

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 */

package javax.swing.colorchooser;

import java.awt.*;

import java.io.*;

/**

  * Center-positioning layout manager.

  * @author Tom Santos

  * @author Steve Wilson

  */

class CenterLayout implements LayoutManager, Serializable {

    public void addLayoutComponent(String name, Component comp) { }

    public void removeLayoutComponent(Component comp) { }

    public Dimension preferredLayoutSize( Container container ) {

        Component c = container.getComponent( 0 );

        if ( c != null ) {

            Dimension size = c.getPreferredSize();

            Insets insets = container.getInsets();

            size.width += insets.left + insets.right;

            size.height += insets.top + insets.bottom;

            return size;

        }

        else {

            return new Dimension( 0, 0 );

        }

    }

    public Dimension minimumLayoutSize(Container cont) {

        return preferredLayoutSize(cont);

    }

    public void layoutContainer(Container container) {

        try {

           Component c = container.getComponent( 0 );

           c.setSize( c.getPreferredSize() );

           Dimension size = c.getSize();

           Dimension containerSize = container.getSize();

           Insets containerInsets = container.getInsets();

           containerSize.width -= containerInsets.left + containerInsets.right;

           containerSize.height -= containerInsets.top + containerInsets.bottom;

           int componentLeft = (containerSize.width / 2) - (size.width / 2);

           int componentTop = (containerSize.height / 2) - (size.height / 2);

           componentLeft += containerInsets.left;

           componentTop += containerInsets.top;

            c.setBounds( componentLeft, componentTop, size.width, size.height );

         }

         catch( Exception e ) {

         }

    }

}