/*

 * Copyright (c) 2005, 2012, 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 sun.tools.jconsole;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import static javax.swing.JLayeredPane.*;

/**

 * Used instead of JDialog in a JDesktopPane/JInternalFrame environment.

 */

@SuppressWarnings("serial")

public class InternalDialog extends JInternalFrame {

    protected JLabel statusBar;

    public InternalDialog(JConsole jConsole, String title, boolean modal) {

        super(title, true, true, false, false);

        setLayer(PALETTE_LAYER);

        putClientProperty("JInternalFrame.frameType", "optionDialog");

        jConsole.getDesktopPane().add(this);

        getActionMap().put("cancel", new AbstractAction() {

            public void actionPerformed(ActionEvent evt) {

                setVisible(false);

                if (statusBar != null) {

                    statusBar.setText("");

                }

            }

        });

        InputMap inputMap = getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);

        inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), "cancel");

    }

    public void setLocationRelativeTo(Component c) {

        setLocation((c.getWidth()  - getWidth())  / 2,

                    (c.getHeight() - getHeight()) / 2);

    }

    protected class MastheadIcon implements Icon {

        // Important: Assume image background is white!

        private ImageIcon leftIcon =

            new ImageIcon(InternalDialog.class.getResource("resources/masthead-left.png"));

        private ImageIcon rightIcon =

            new ImageIcon(InternalDialog.class.getResource("resources/masthead-right.png"));

        private Font font = Font.decode(Messages.MASTHEAD_FONT);

        private int gap = 10;

        private String title;

        public MastheadIcon(String title) {

            this.title = title;

        }

        public synchronized void paintIcon(Component c, Graphics g, int x, int y) {

            // Clone the Graphics object

            g = g.create();

            // Ignore x to make sure we fill entire component width

            x = 0;

            int width = c.getWidth();

            int lWidth = leftIcon.getIconWidth();

            int rWidth = rightIcon.getIconWidth();

            int height = getIconHeight();

            int textHeight = g.getFontMetrics(font).getAscent();

            g.setColor(Color.white);

            g.fillRect(x, y, width, height);

            leftIcon.paintIcon(c, g, x, y);

            rightIcon.paintIcon(c, g, width - rWidth, y);

            g.setFont(font);

            ((Graphics2D)g).setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,

                                             RenderingHints.VALUE_TEXT_ANTIALIAS_ON);

            g.setColor(new Color(0x35556b));

            g.drawString(title, lWidth + gap, height/2 + textHeight/2);

        }

        public int getIconWidth() {

            int textWidth = 0;

            Graphics g = getGraphics();

            if (g != null) {

                FontMetrics fm = g.getFontMetrics(font);

                if (fm != null) {

                    textWidth = fm.stringWidth(title);

                }

            }

            return (leftIcon.getIconWidth() + gap + textWidth +

                    gap + rightIcon.getIconWidth());

        }

        public int getIconHeight() {

            return leftIcon.getIconHeight();

        }

    }

}