/*

 * Copyright (c) 2002, 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.synth;

import java.awt.*;

import javax.swing.*;

import javax.swing.text.JTextComponent;

import javax.swing.border.*;

import javax.swing.plaf.UIResource;

/**

 * SynthBorder is a border that delegates to a Painter. The Insets

 * are determined at construction time.

 *

 * @author Scott Violet

 */

@SuppressWarnings("serial") // Superclass is not serializable across versions

class SynthBorder extends AbstractBorder implements UIResource {

    private SynthUI ui;

    private Insets insets;

    SynthBorder(SynthUI ui, Insets insets) {

        this.ui = ui;

        this.insets = insets;

    }

    SynthBorder(SynthUI ui) {

        this(ui, null);

    }

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

                            int width, int height) {

        JComponent jc = (JComponent)c;

        SynthContext context = ui.getContext(jc);

        SynthStyle style = context.getStyle();

        if (style == null) {

            assert false: "SynthBorder is being used outside after the UI " +

                          "has been uninstalled";

            return;

        }

        ui.paintBorder(context, g, x, y, width, height);

    }

    /**

     * Reinitializes the insets parameter with this Border's current Insets.

     * @param c the component for which this border insets value applies

     * @param insets the object to be reinitialized

     * @return the <code>insets</code> object

     */

    public Insets getBorderInsets(Component c, Insets insets) {

        if (this.insets != null) {

            if (insets == null) {

                insets = new Insets(this.insets.top, this.insets.left,

                                  this.insets.bottom, this.insets.right);

            }

            else {

                insets.top    = this.insets.top;

                insets.bottom = this.insets.bottom;

                insets.left   = this.insets.left;

                insets.right  = this.insets.right;

            }

        }

        else if (insets == null) {

            insets = new Insets(0, 0, 0, 0);

        }

        else {

            insets.top = insets.bottom = insets.left = insets.right = 0;

        }

        if (c instanceof JComponent) {

            Region region = Region.getRegion((JComponent)c);

            Insets margin = null;

            if ((region == Region.ARROW_BUTTON || region == Region.BUTTON ||

                 region == Region.CHECK_BOX ||

                 region == Region.CHECK_BOX_MENU_ITEM ||

                 region == Region.MENU || region == Region.MENU_ITEM ||

                 region == Region.RADIO_BUTTON ||

                 region == Region.RADIO_BUTTON_MENU_ITEM ||

                 region == Region.TOGGLE_BUTTON) &&

                       (c instanceof AbstractButton)) {

                margin = ((AbstractButton)c).getMargin();

            }

            else if ((region == Region.EDITOR_PANE ||

                      region == Region.FORMATTED_TEXT_FIELD ||

                      region == Region.PASSWORD_FIELD ||

                      region == Region.TEXT_AREA ||

                      region == Region.TEXT_FIELD ||

                      region == Region.TEXT_PANE) &&

                        (c instanceof JTextComponent)) {

                margin = ((JTextComponent)c).getMargin();

            }

            else if (region == Region.TOOL_BAR && (c instanceof JToolBar)) {

                margin = ((JToolBar)c).getMargin();

            }

            else if (region == Region.MENU_BAR && (c instanceof JMenuBar)) {

                margin = ((JMenuBar)c).getMargin();

            }

            if (margin != null) {

                insets.top += margin.top;

                insets.bottom += margin.bottom;

                insets.left += margin.left;

                insets.right += margin.right;

            }

        }

        return insets;

    }

    /**

     * This default implementation returns false.

     * @return false

     */

    public boolean isBorderOpaque() {

        return false;

    }

}