Sudoku: src/main/java/de/uapcore/sudoku/MainMenu.java@569220009c54

     1 /*

     2  * Copyright 2013 Mike Becker. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions are met:

     6  *

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  *

    10  * 2. Redistributions in binary form must reproduce the above copyright

    11  *    notice, this list of conditions and the following disclaimer in the

    12  *    documentation and/or other materials provided with the distribution.

    13  *

    14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    17  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    18  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    20  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    22  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    23  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    24  * POSSIBILITY OF SUCH DAMAGE.

    25  */

    27 package de.uapcore.sudoku;

    29 import javax.swing.*;

    31 /**

    32  * Main menu bar.

    33  */

    34 public class MainMenu extends JMenuBar {

    36     private final ActionHandler handler;

    38     public MainMenu(ActionHandler h) {

    39         handler = h;

    40         add(createMenu("Datei", 'd',

    41             createMenuItem("Neu", 'n', "control N", ActionHandler.NEW),

    42             createMenuItem("Öffnen", 'f', "control O", ActionHandler.OPEN),

    43             createMenuItem("Speichern", 's', "control S", ActionHandler.SAVE),

    44             createMenuItem("Speichern als...", 'a', ActionHandler.SAVE_AS),

    45             createSeparator(),

    46             createMenuItem("Prüfen", 'p', "control P", ActionHandler.CHECK),

    47             createMenuItem("Lösen", 'l', "control L", ActionHandler.SOLVE),

    48             createSeparator(),

    49             createMenuItem("Beenden", 'e', ActionHandler.QUIT)

    50         ));

    51         add(createMenu("Info", 'i',

    52             createMenuItem("Über...", 'b', "F1", ActionHandler.ABOUT)

    53         ));

    54     }

    56     private JMenuItem createSeparator() {

    57         // Return null, the createMenu method knows how to handle it

    58         return null;

    59     }

    61     private JMenu createMenu(String caption, char mnemonic, JMenuItem...items) {

    62         JMenu menu = new JMenu(caption);

    63         menu.setMnemonic(mnemonic);

    64         for (JMenuItem item : items) {

    65             if (item == null) {

    66                 menu.addSeparator();

    67             } else {

    68                 menu.add(item);

    69             }

    70         }

    71         return menu;

    72     }

    74     private JMenuItem createMenuItem(String caption, char mnemonic,

    75             String command) {

    76         return createMenuItem(caption, mnemonic, null, command);

    77     }

    79     private JMenuItem createMenuItem(String caption, char mnemonic,

    80             String stroke, String command) {

    81         JMenuItem item = new JMenuItem(caption);

    82         item.setMnemonic(mnemonic);

    83         if (stroke != null) {

    84             item.setAccelerator(KeyStroke.getKeyStroke(stroke));

    85         }

    86         item.setActionCommand(command);

    87         item.addActionListener(handler);

    89         return item;

    90     }

    92 }

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