Sudoku: src/main/java/de/uapcore/sudoku/MainMenu.java@369903afbb29

     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 {

    36     private ActionHandler handler;

    37     private JMenuBar menuBar;

    39     public MainMenu(ActionHandler h) {

    40         handler = h;

    41         menuBar = new JMenuBar();

    42         menuBar.add(createMenu("Datei", 'd',

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

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

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

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

    47             createSeparator(),

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

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

    50             createSeparator(),

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

    52         ));

    53         menuBar.add(createMenu("Help", 'h',

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

    55         ));

    56     }

    58     private JMenuItem createSeparator() {

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

    60         return null;

    61     }

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

    64         JMenu menu = new JMenu(caption);

    65         menu.setMnemonic(mnemonic);

    66         for (JMenuItem item : items) {

    67             if (item == null) {

    68                 menu.addSeparator();

    69             } else {

    70                 menu.add(item);

    71             }

    72         }

    73         return menu;

    74     }

    76     private JMenuItem createMenuItem(String caption, char mnemonic,

    77             String command) {

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

    79     }

    81     private JMenuItem createMenuItem(String caption, char mnemonic,

    82             String stroke, String command) {

    83         JMenuItem item = new JMenuItem(caption);

    84         item.setMnemonic(mnemonic);

    85         if (stroke != null) {

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

    87         }

    88         item.setActionCommand(command);

    89         item.addActionListener(handler);

    91         return item;

    92     }

    94     public JMenuBar getMenuBar() {

    95         return menuBar;

    96     }

    97 }

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