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/* MetalComboBoxEditor.java

   Copyright (C) 2005 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2, or (at your option)

any later version.

GNU Classpath 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 for more details.

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

along with GNU Classpath; see the file COPYING.  If not, write to the

Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301 USA.

Linking this library statically or dynamically with other modules is

making a combined work based on this library.  Thus, the terms and

conditions of the GNU General Public License cover the whole

combination.

As a special exception, the copyright holders of this library give you

permission to link this library with independent modules to produce an

executable, regardless of the license terms of these independent

modules, and to copy and distribute the resulting executable under

terms of your choice, provided that you also meet, for each linked

independent module, the terms and conditions of the license of that

module.  An independent module is a module which is not derived from

or based on this library.  If you modify this library, you may extend

this exception to your version of the library, but you are not

obligated to do so.  If you do not wish to do so, delete this

exception statement from your version. */

package javax.swing.plaf.metal;

import java.awt.Color;

import java.awt.Component;

import java.awt.Graphics;

import java.awt.Insets;

import javax.swing.JTextField;

import javax.swing.plaf.basic.BasicComboBoxEditor;

import javax.swing.plaf.metal.MetalLookAndFeel;

import javax.swing.plaf.metal.MetalBorders.Flush3DBorder;

/**

 * An editor used by the {@link MetalComboBoxUI} class.

 */

public class MetalComboBoxEditor extends BasicComboBoxEditor

{

  /**

   * A border used for the {@link JTextField} component.

   */

  static class MetalComboBoxEditorBorder extends Flush3DBorder

  {

    /**

     * Creates a new border instance.

     */

    public MetalComboBoxEditorBorder()

    {

      // Nothing to do here.

    }

    /**

     * Paints the border for the specified component.

     *

     * @param c  the component (ignored).

     * @param g  the graphics device.

     * @param x  the x-coordinate.

     * @param y  the y-coordinate.

     * @param w  the width.

     * @param h  the height.

     */

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

        int h)

    {

      Color savedColor = g.getColor();

      if (c.isEnabled())

        g.setColor(MetalLookAndFeel.getControlDarkShadow());

      else

        g.setColor(MetalLookAndFeel.getControlShadow());

      g.drawLine(x, y, x + w - 1, y);

      g.drawLine(x, y, x, y + h - 2);

      g.drawLine(x + 2, y + h - 2, x + w - 1, y + h - 2);

      g.setColor(MetalLookAndFeel.getControl());

      g.drawLine(x + 1, y + h - 2, x + 1, y + h - 2);

      g.setColor(MetalLookAndFeel.getWhite());

      g.drawLine(x, y + h - 1, x + w - 1, y + h - 1);

      g.setColor(savedColor);

    }

    /**

     * Measures the width of this border.

     *

     * @param c the component whose border is to be measured.

     *

     * @return an Insets object whose <code>left</code>, <code>right</code>,

     *         <code>top</code> and <code>bottom</code> fields indicate the

     *         width of the border at the respective edge, which is zero

     *         for the default implementation provided by AbstractButton.

     *

     * @see #getBorderInsets(java.awt.Component, java.awt.Insets)

     */

    public Insets getBorderInsets(Component c)

    {

      return editorBorderInsets;

    }

  }

  /**

   * A subclass of {@link MetalComboBoxEditor} that implements the

   * {@link javax.swing.plaf.UIResource} interface.

   */

  public static class UIResource extends MetalComboBoxEditor

    implements javax.swing.plaf.UIResource

  {

    /**

     * Creates a new instance.

     */

    public UIResource()

    {

      // Nothing to do here.

    }

  }

  /** The editor's border insets. */

  protected static Insets editorBorderInsets = new Insets(4, 2, 4, 0);

  /**

   * Creates a new editor.

   */

  public MetalComboBoxEditor()

  {

    super();

    editor.setBorder(new MetalComboBoxEditorBorder());

  }

}