/*

 * Copyright (c) 1998, 2014, 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

 * questions.

 */

package javax.swing.plaf.metal;

import javax.swing.*;

import javax.swing.border.*;

import java.io.Serializable;

import java.awt.*;

import java.awt.event.*;

import javax.swing.plaf.basic.BasicComboBoxEditor;

/**

 * The default editor for Metal editable combo boxes

 * <p>

 * <strong>Warning:</strong>

 * Serialized objects of this class will not be compatible with

 * future Swing releases. The current serialization support is

 * appropriate for short term storage or RMI between applications running

 * the same version of Swing.  As of 1.4, support for long term storage

 * of all JavaBeans™

 * has been added to the <code>java.beans</code> package.

 * Please see {@link java.beans.XMLEncoder}.

 *

 * @author Steve Wilson

 */

@SuppressWarnings("serial") // Same-version serialization only

public class MetalComboBoxEditor extends BasicComboBoxEditor {

    public MetalComboBoxEditor() {

        super();

        //editor.removeFocusListener(this);

        editor = new JTextField("",9) {

                // workaround for 4530952

                public void setText(String s) {

                    if (getText().equals(s)) {

                        return;

                    }

                    super.setText(s);

                }

            // The preferred and minimum sizes are overriden and padded by

            // 4 to keep the size as it previously was.  Refer to bugs

            // 4775789 and 4517214 for details.

            public Dimension getPreferredSize() {

                Dimension pref = super.getPreferredSize();

                pref.height += 4;

                return pref;

            }

            public Dimension getMinimumSize() {

                Dimension min = super.getMinimumSize();

                min.height += 4;

                return min;

            }

            };

        editor.setBorder( new EditorBorder() );

        //editor.addFocusListener(this);

    }

   /**

    * The default editor border <code>Insets</code>. This field

    * might not be used.

    */

    protected static Insets editorBorderInsets = new Insets( 2, 2, 2, 0 );

    class EditorBorder extends AbstractBorder {

        public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {

            g.translate( x, y );

            if (MetalLookAndFeel.usingOcean()) {

                g.setColor(MetalLookAndFeel.getControlDarkShadow());

                g.drawRect(0, 0, w, h - 1);

                g.setColor(MetalLookAndFeel.getControlShadow());

                g.drawRect(1, 1, w - 2, h - 3);

            }

            else {

                g.setColor( MetalLookAndFeel.getControlDarkShadow() );

                g.drawLine( 0, 0, w-1, 0 );

                g.drawLine( 0, 0, 0, h-2 );

                g.drawLine( 0, h-2, w-1, h-2 );

                g.setColor( MetalLookAndFeel.getControlHighlight() );

                g.drawLine( 1, 1, w-1, 1 );

                g.drawLine( 1, 1, 1, h-1 );

                g.drawLine( 1, h-1, w-1, h-1 );

                g.setColor( MetalLookAndFeel.getControl() );

                g.drawLine( 1, h-2, 1, h-2 );

            }

            g.translate( -x, -y );

        }

        public Insets getBorderInsets(Component c, Insets insets) {

            insets.set(2, 2, 2, 0);

            return insets;

        }

    }

    /**

     * A subclass of BasicComboBoxEditor that implements UIResource.

     * BasicComboBoxEditor doesn't implement UIResource

     * directly so that applications can safely override the

     * cellRenderer property with BasicListCellRenderer subclasses.

     * <p>

     * <strong>Warning:</strong>

     * Serialized objects of this class will not be compatible with

     * future Swing releases. The current serialization support is

     * appropriate for short term storage or RMI between applications running

     * the same version of Swing.  As of 1.4, support for long term storage

     * of all JavaBeans™

     * has been added to the <code>java.beans</code> package.

     * Please see {@link java.beans.XMLEncoder}.

     */

    @SuppressWarnings("serial") // Same-version serialization only

    public static class UIResource extends MetalComboBoxEditor

    implements javax.swing.plaf.UIResource {

    }

}