/*

 * Copyright (c) 1997, 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

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 */

package javax.swing.plaf.basic;

import javax.swing.*;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.Graphics;

import java.awt.Insets;

import java.awt.Rectangle;

import javax.swing.plaf.ComponentUI;

import javax.swing.plaf.SeparatorUI;

/**

 * A Basic L&F implementation of SeparatorUI.  This implementation

 * is a "combined" view/controller.

 *

 * @author Georges Saab

 * @author Jeff Shapiro

 */

public class BasicSeparatorUI extends SeparatorUI

{

    /**

     * The color of the shadow.

     */

    protected Color shadow;

    /**

     * The color of the highlighting.

     */

    protected Color highlight;

    /**

     * Returns a new instance of {@code BasicSeparatorUI}.

     *

     * @param c a component

     * @return a new instance of {@code BasicSeparatorUI}

     */

    public static ComponentUI createUI( JComponent c )

    {

        return new BasicSeparatorUI();

    }

    public void installUI( JComponent c )

    {

        installDefaults( (JSeparator)c );

        installListeners( (JSeparator)c );

    }

    public void uninstallUI(JComponent c)

    {

        uninstallDefaults( (JSeparator)c );

        uninstallListeners( (JSeparator)c );

    }

    /**

     * Installs default properties.

     *

     * @param s an instance of {@code JSeparator}

     */

    protected void installDefaults( JSeparator s )

    {

        LookAndFeel.installColors(s, "Separator.background", "Separator.foreground");

        LookAndFeel.installProperty(s, "opaque", Boolean.FALSE);

    }

    /**

     * Uninstalls default properties.

     *

     * @param s an instance of {@code JSeparator}

     */

    protected void uninstallDefaults( JSeparator s )

    {

    }

    /**

     * Registers listeners.

     *

     * @param s an instance of {@code JSeparator}

     */

    protected void installListeners( JSeparator s )

    {

    }

    /**

     * Unregisters listeners.

     *

     * @param s an instance of {@code JSeparator}

     */

    protected void uninstallListeners( JSeparator s )

    {

    }

    public void paint( Graphics g, JComponent c )

    {

        Dimension s = c.getSize();

        if ( ((JSeparator)c).getOrientation() == JSeparator.VERTICAL )

        {

          g.setColor( c.getForeground() );

          g.drawLine( 0, 0, 0, s.height );

          g.setColor( c.getBackground() );

          g.drawLine( 1, 0, 1, s.height );

        }

        else  // HORIZONTAL

        {

          g.setColor( c.getForeground() );

          g.drawLine( 0, 0, s.width, 0 );

          g.setColor( c.getBackground() );

          g.drawLine( 0, 1, s.width, 1 );

        }

    }

    public Dimension getPreferredSize( JComponent c )

    {

        if ( ((JSeparator)c).getOrientation() == JSeparator.VERTICAL )

            return new Dimension( 2, 0 );

        else

            return new Dimension( 0, 2 );

    }

    public Dimension getMinimumSize( JComponent c ) { return null; }

    public Dimension getMaximumSize( JComponent c ) { return null; }

}