/*

 * 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

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 */

package javax.swing.plaf.metal;

import javax.swing.*;

import javax.swing.border.*;

import javax.swing.plaf.*;

import javax.swing.plaf.basic.BasicBorders;

import javax.swing.text.JTextComponent;

import java.awt.Component;

import java.awt.Insets;

import java.awt.Color;

import java.awt.Dialog;

import java.awt.Frame;

import java.awt.Graphics;

import java.awt.Window;

import sun.swing.StringUIClientPropertyKey;

/**

 * Factory object that can vend Borders appropriate for the metal L & F.

 * @author Steve Wilson

 */

public class MetalBorders {

    /**

     * Client property indicating the button shouldn't provide a rollover

     * indicator. Only used with the Ocean theme.

     */

    static Object NO_BUTTON_ROLLOVER =

        new StringUIClientPropertyKey("NoButtonRollover");

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

    public static class Flush3DBorder extends AbstractBorder implements UIResource{

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

                          int w, int h) {

            if (c.isEnabled()) {

                MetalUtils.drawFlush3DBorder(g, x, y, w, h);

            } else {

                MetalUtils.drawDisabledBorder(g, x, y, w, h);

            }

        }

        public Insets getBorderInsets(Component c, Insets newInsets) {

            newInsets.set(2, 2, 2, 2);

            return newInsets;

        }

    }

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

    public static class ButtonBorder extends AbstractBorder implements UIResource {

        protected static Insets borderInsets = new Insets( 3, 3, 3, 3 );

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

            if (!(c instanceof AbstractButton)) {

                return;

            }

            if (MetalLookAndFeel.usingOcean()) {

                paintOceanBorder(c, g, x, y, w, h);

                return;

            }

            AbstractButton button = (AbstractButton)c;

            ButtonModel model = button.getModel();

            if ( model.isEnabled() ) {

                boolean isPressed = model.isPressed() && model.isArmed();

                boolean isDefault = (button instanceof JButton && ((JButton)button).isDefaultButton());

                if (isPressed && isDefault) {

                    MetalUtils.drawDefaultButtonPressedBorder(g, x, y, w, h);

                } else if (isPressed) {

                    MetalUtils.drawPressed3DBorder( g, x, y, w, h );

                } else if (isDefault) {

                    MetalUtils.drawDefaultButtonBorder( g, x, y, w, h, false);

                } else {

                    MetalUtils.drawButtonBorder( g, x, y, w, h, false);

                }

            } else { // disabled state

                MetalUtils.drawDisabledBorder( g, x, y, w-1, h-1 );

            }

        }

        private void paintOceanBorder(Component c, Graphics g, int x, int y,

                                      int w, int h) {

            AbstractButton button = (AbstractButton)c;

            ButtonModel model = ((AbstractButton)c).getModel();

            g.translate(x, y);

            if (MetalUtils.isToolBarButton(button)) {

                if (model.isEnabled()) {

                    if (model.isPressed()) {

                        g.setColor(MetalLookAndFeel.getWhite());

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

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

                        g.setColor(MetalLookAndFeel.getControlDarkShadow());

                        g.drawRect(0, 0, w - 2, h - 2);

                        g.fillRect(1, 1, w - 3, 1);

                    }

                    else if (model.isSelected() || model.isRollover()) {

                        g.setColor(MetalLookAndFeel.getWhite());

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

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

                        g.setColor(MetalLookAndFeel.getControlDarkShadow());

                        g.drawRect(0, 0, w - 2, h - 2);

                    }

                    else {

                        g.setColor(MetalLookAndFeel.getWhite());

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

                        g.setColor(UIManager.getColor(

                                "Button.toolBarBorderBackground"));

                        g.drawRect(0, 0, w - 2, h - 2);

                    }

                }

                else {

                   g.setColor(UIManager.getColor(

                           "Button.disabledToolBarBorderBackground"));

                   g.drawRect(0, 0, w - 2, h - 2);

                }

            }

            else if (model.isEnabled()) {

                boolean pressed = model.isPressed();

                boolean armed = model.isArmed();

                if ((c instanceof JButton) && ((JButton)c).isDefaultButton()) {

                    g.setColor(MetalLookAndFeel.getControlDarkShadow());

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

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

                }

                else if (pressed) {

                    g.setColor(MetalLookAndFeel.getControlDarkShadow());

                    g.fillRect(0, 0, w, 2);

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

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

                    g.fillRect(1, h - 1, w - 2, 1);

                }

                else if (model.isRollover() && button.getClientProperty(

                               NO_BUTTON_ROLLOVER) == null) {

                    g.setColor(MetalLookAndFeel.getPrimaryControl());

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

                    g.drawRect(2, 2, w - 5, h - 5);

                    g.setColor(MetalLookAndFeel.getControlDarkShadow());

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

                }

                else {

                    g.setColor(MetalLookAndFeel.getControlDarkShadow());

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

                }

            }

            else {

                g.setColor(MetalLookAndFeel.getInactiveControlTextColor());

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

                if ((c instanceof JButton) && ((JButton)c).isDefaultButton()) {

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

                }

            }

        }

        public Insets getBorderInsets(Component c, Insets newInsets) {

            newInsets.set(3, 3, 3, 3);

            return newInsets;

        }

    }

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

    public static class InternalFrameBorder extends AbstractBorder implements UIResource {

        private static final int corner = 14;

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

                          int w, int h) {

            Color background;

            Color highlight;

            Color shadow;

            if (c instanceof JInternalFrame && ((JInternalFrame)c).isSelected()) {

                background = MetalLookAndFeel.getPrimaryControlDarkShadow();

                highlight = MetalLookAndFeel.getPrimaryControlShadow();

                shadow = MetalLookAndFeel.getPrimaryControlInfo();

            } else {

                background = MetalLookAndFeel.getControlDarkShadow();

                highlight = MetalLookAndFeel.getControlShadow();

                shadow = MetalLookAndFeel.getControlInfo();

            }

              g.setColor(background);

              // Draw outermost lines

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

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

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

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

              // Draw the bulk of the border

              for (int i = 1; i < 5; i++) {

                  g.drawRect(x+i,y+i,w-(i*2)-1, h-(i*2)-1);

              }

              if (c instanceof JInternalFrame &&

                               ((JInternalFrame)c).isResizable()) {

                  g.setColor(highlight);

                  // Draw the Long highlight lines

                  g.drawLine( corner+1, 3, w-corner, 3);

                  g.drawLine( 3, corner+1, 3, h-corner);

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

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

                  g.setColor(shadow);

                  // Draw the Long shadow lines

                  g.drawLine( corner, 2, w-corner-1, 2);

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

                  g.drawLine( w-3, corner, w-3, h-corner-1);

                  g.drawLine( corner, h-3, w-corner-1, h-3);

              }

          }

          public Insets getBorderInsets(Component c, Insets newInsets) {

              newInsets.set(5, 5, 5, 5);

              return newInsets;

          }

    }

    /**

     * Border for a Frame.

     * @since 1.4

     */

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

    static class FrameBorder extends AbstractBorder implements UIResource {

        private static final int corner = 14;

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

            int w, int h) {

            Color background;

            Color highlight;

            Color shadow;

            Window window = SwingUtilities.getWindowAncestor(c);

            if (window != null && window.isActive()) {

                background = MetalLookAndFeel.getPrimaryControlDarkShadow();

                highlight = MetalLookAndFeel.getPrimaryControlShadow();

                shadow = MetalLookAndFeel.getPrimaryControlInfo();

            } else {

                background = MetalLookAndFeel.getControlDarkShadow();

                highlight = MetalLookAndFeel.getControlShadow();

                shadow = MetalLookAndFeel.getControlInfo();

            }

            g.setColor(background);

            // Draw outermost lines

            g.drawLine( x+1, y+0, x+w-2, y+0);

            g.drawLine( x+0, y+1, x+0, y +h-2);

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

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

            // Draw the bulk of the border

            for (int i = 1; i < 5; i++) {

                g.drawRect(x+i,y+i,w-(i*2)-1, h-(i*2)-1);

            }

            if ((window instanceof Frame) && ((Frame) window).isResizable()) {

                g.setColor(highlight);

                // Draw the Long highlight lines

                g.drawLine( corner+1, 3, w-corner, 3);

                g.drawLine( 3, corner+1, 3, h-corner);

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

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

                g.setColor(shadow);

                // Draw the Long shadow lines

                g.drawLine( corner, 2, w-corner-1, 2);

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

                g.drawLine( w-3, corner, w-3, h-corner-1);

                g.drawLine( corner, h-3, w-corner-1, h-3);

            }

        }

        public Insets getBorderInsets(Component c, Insets newInsets)

        {

            newInsets.set(5, 5, 5, 5);

            return newInsets;

        }

    }

    /**

     * Border for a Frame.

     * @since 1.4

     */

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

    static class DialogBorder extends AbstractBorder implements UIResource

    {

        private static final int corner = 14;

        protected Color getActiveBackground()

        {

            return MetalLookAndFeel.getPrimaryControlDarkShadow();

        }

        protected Color getActiveHighlight()

        {

            return MetalLookAndFeel.getPrimaryControlShadow();

        }

        protected Color getActiveShadow()

        {

            return MetalLookAndFeel.getPrimaryControlInfo();

        }

        protected Color getInactiveBackground()

        {

            return MetalLookAndFeel.getControlDarkShadow();

        }

        protected Color getInactiveHighlight()

        {

            return MetalLookAndFeel.getControlShadow();

        }

        protected Color getInactiveShadow()

        {

            return MetalLookAndFeel.getControlInfo();

        }

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

        {

            Color background;

            Color highlight;

            Color shadow;

            Window window = SwingUtilities.getWindowAncestor(c);

            if (window != null && window.isActive()) {

                background = getActiveBackground();

                highlight = getActiveHighlight();

                shadow = getActiveShadow();

            } else {

                background = getInactiveBackground();

                highlight = getInactiveHighlight();

                shadow = getInactiveShadow();

            }

            g.setColor(background);

            // Draw outermost lines

            g.drawLine( x + 1, y + 0, x + w-2, y + 0);

            g.drawLine( x + 0, y + 1, x + 0, y + h - 2);

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

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

            // Draw the bulk of the border

            for (int i = 1; i < 5; i++) {

                g.drawRect(x+i,y+i,w-(i*2)-1, h-(i*2)-1);

            }

            if ((window instanceof Dialog) && ((Dialog) window).isResizable()) {

                g.setColor(highlight);

                // Draw the Long highlight lines

                g.drawLine( corner+1, 3, w-corner, 3);

                g.drawLine( 3, corner+1, 3, h-corner);

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

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

                g.setColor(shadow);

                // Draw the Long shadow lines

                g.drawLine( corner, 2, w-corner-1, 2);

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

                g.drawLine( w-3, corner, w-3, h-corner-1);

                g.drawLine( corner, h-3, w-corner-1, h-3);

            }

        }

        public Insets getBorderInsets(Component c, Insets newInsets)

        {

            newInsets.set(5, 5, 5, 5);

            return newInsets;

        }

    }

    /**

     * Border for an Error Dialog.

     * @since 1.4

     */

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

    static class ErrorDialogBorder extends DialogBorder implements UIResource

    {

        protected Color getActiveBackground() {

            return UIManager.getColor("OptionPane.errorDialog.border.background");

        }

    }

    /**

     * Border for a QuestionDialog.  Also used for a JFileChooser and a

     * JColorChooser..

     * @since 1.4

     */

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

    static class QuestionDialogBorder extends DialogBorder implements UIResource

    {

        protected Color getActiveBackground() {

            return UIManager.getColor("OptionPane.questionDialog.border.background");

        }

    }

    /**

     * Border for a Warning Dialog.

     * @since 1.4

     */

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

    static class WarningDialogBorder extends DialogBorder implements UIResource

    {

        protected Color getActiveBackground() {

            return UIManager.getColor("OptionPane.warningDialog.border.background");

        }

    }

    /**

     * Border for a Palette.

     * @since 1.3

     */

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

    public static class PaletteBorder extends AbstractBorder implements UIResource {

        int titleHeight = 0;

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

            g.translate(x,y);

            g.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow());

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

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

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

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

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

            g.translate(-x,-y);

        }

        public Insets getBorderInsets(Component c, Insets newInsets) {

            newInsets.set(1, 1, 1, 1);

            return newInsets;

        }

    }

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

    public static class OptionDialogBorder extends AbstractBorder implements UIResource {

        int titleHeight = 0;

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

            g.translate(x,y);

            int messageType = JOptionPane.PLAIN_MESSAGE;

            if (c instanceof JInternalFrame) {

                Object obj = ((JInternalFrame) c).getClientProperty(

                              "JInternalFrame.messageType");

                if (obj instanceof Integer) {

                    messageType = (Integer) obj;

                }

            }

            Color borderColor;

            switch (messageType) {

            case(JOptionPane.ERROR_MESSAGE):

                borderColor = UIManager.getColor(

                    "OptionPane.errorDialog.border.background");

                break;

            case(JOptionPane.QUESTION_MESSAGE):

                borderColor = UIManager.getColor(

                    "OptionPane.questionDialog.border.background");

                break;

            case(JOptionPane.WARNING_MESSAGE):

                borderColor = UIManager.getColor(

                    "OptionPane.warningDialog.border.background");

                break;

            case(JOptionPane.INFORMATION_MESSAGE):

            case(JOptionPane.PLAIN_MESSAGE):

            default:

                borderColor = MetalLookAndFeel.getPrimaryControlDarkShadow();

                break;