/* $Id: MainMenu.java 14 2008-12-07 16:56:26Z mihlon $ */

 //////////////////////////////////////////////////////////////////////////////

 //                                                                          //

 //   This program is free software: you can redistribute it and/or modify   //

 //   it under the terms of the GNU General Public License as published by   //

 //   the Free Software Foundation, either version 3 of the License, or      //

 //   at your option any later version.                                      //

 //                                                                          //

 //   This program 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 for more details.                           //

 //                                                                          //

 //   You should have received a copy of the GNU General Public License      //

 //   along with this program.  If not, see <http://www.gnu.org/licenses/>.  //

 //                                                                          //

 //////////////////////////////////////////////////////////////////////////////

 package cs.pancava.caltha;

 import cs.pancava.caltha.desktop.EditorDesktop;

 import cs.pancava.caltha.menu.World2DPopupMenuListener;

 import java.awt.event.ActionEvent;

 import java.awt.event.ActionListener;

 import java.awt.event.ItemEvent;

 import java.awt.event.ItemListener;

 import java.util.Locale;

 import java.util.MissingResourceException;

 import java.util.ResourceBundle;

 import javax.swing.JCheckBoxMenuItem;

 import javax.swing.JMenu;

 import javax.swing.JMenuBar;

 import javax.swing.JMenuItem;

 import javax.swing.JOptionPane;

 import javax.swing.SwingUtilities;

 import javax.swing.UIManager;

 import javax.swing.UnsupportedLookAndFeelException;

 import javax.swing.plaf.metal.DefaultMetalTheme;

 import javax.swing.plaf.metal.MetalLookAndFeel;

 import javax.swing.plaf.metal.OceanTheme;

 /**

  * <p><b>Definuje hlavni menu programu.</b></p>

  *

  * @author Milan Vaclavik<br />

  * @version $Revision: 14 $<br />

  * $LastChangedBy: mihlon $

  */

 public class MainMenu

 {

     /**

      * Panel pro hlavni menu.

      */

     private JMenuBar menuBar;

     /**

      * Nabidka menu - Soubor.

      */

     private JMenu fileMenu;

       /**

        * Nabidka menu Soubor - Novy.

        */

       private JMenu newMenu;

         /**

          * Nabidka menu Novy - Textova hra.

          */

         private JMenuItem textBasedGamesIM;

       /**

        * Polozka menu Soubor - Konec.

        */

       private JMenuItem exitIM;

     /**

      * Nabidka menu - Napoveda.

      */

     private JMenu helpMenu;

       /**

        * Polozka menu Napoveda - O programu Caltha - Editor.

        */

       private JMenuItem aboutIM;

     /**

      * Nabidka menu - Nastaveni.

      */

     private JMenu optionsMenu;

       /**

        * Nabidka menu Nastaveni - Jazyk.

        */

       private JMenu languageMenu;

         /**

          * Nabidka menu Jazyk - Cestina.

          */

         private JCheckBoxMenuItem czechIM;

         /**

          * Nabidka menu Jazyk - Anglictina.

          */

         private JCheckBoxMenuItem englishIM;

       /**

        * Nabidka menu Vzhled.

        */

       private JMenu lookAndFeelMenu;

         /**

          * Nabidka menu Vzhled - Vychozi.

          */

         private JCheckBoxMenuItem defaultLaFIM;

         /**

          * Nabidka menu Vzhled - GTK.

          */

         private JCheckBoxMenuItem gtkLaFIM;

         /**

          * Nabidka menu Vzhled - Sun Mac OS.

          */

         private JCheckBoxMenuItem macLaFIM;

         /**

          * Nabidka menu Vzhled - Metal (Java).

          */

         private JCheckBoxMenuItem metalLaFIM;

         /**

          * Nabidka menu Vzhled - Motif.

          */

         private JCheckBoxMenuItem motifLaFIM;

         /**

          * Nabidka menu Vzhled - Windows.

          */

         private JCheckBoxMenuItem windowsLaFIM;

         /**

          * Nabidka menu Vzhled - Tema Metal.

          */

         private JMenu metalThemeMenu;

           /**

            * Nabidka menu Vzhled - Tema Metal - Vychozi.

            */

           private JCheckBoxMenuItem defaultMetalThemeIM;

           /**

            * Nabidka menu Vzhled - Tema Metal - Ocean.

            */

           private JCheckBoxMenuItem oceanMetalThemeIM;

           /**

            * Nabidka menu Vzhled - Tema Metal - Vlastni tema.

            */

           private JCheckBoxMenuItem myMetalThemeIM;

     /**

      * Vytvari hlavni menu programu.

      */

     MainMenu()

     {

         // Definovani panelu pro menu

         this.menuBar = new JMenuBar();

         // Vytvori podmenu Soubor

         this.createMenuFile();

         // Vytvori podmenu Nastaveni

         this.createMenuOptions();

         // Vytvori podmenu Napoveda

         this.createMenuHelp();

     }

     /**

      * Vrati referenci na hlavni menu programu.

      * @return JMenuBar : Reference na hlavni menu programu.

      */

     public final JMenuBar getMenuBar()

     {

         return this.menuBar;

     }

     /**

      * Vytori novou zaskrtavaci polozku menu.

      * @param name String    : Nazev polozky menu.

      * @param stav boolean   : Urcuje, zda je/neni zaskrtnuta polozka menu.

      * @param tip String     : Tip - informace o polozce menu.

      * @param enable boolean : True = polozka je aktivni, Flase = polozka je neaktivni

      * @return JMenuItem     : Vraci referenci na prave vytvorenou zaskrtavaci polozku menu.

      */

     private JCheckBoxMenuItem addCheckBoxMenuItem(final String name, final boolean stav, final String tip, final boolean enable)

     {

         try

         {

             JCheckBoxMenuItem cbmi;

             cbmi = new JCheckBoxMenuItem(Editor.getResourcesBundleString(name), stav);

             if (tip != null)

             {

                 if (!MainMenu.isEmpty(Editor.getResourcesBundleString(tip)))

                 {

                     cbmi.setToolTipText(Editor.getResourcesBundleString(tip));

                 }

             }

             cbmi.setEnabled(enable);

             return cbmi;

         }

         catch (MissingResourceException e)

         {

             Editor.showDialogMissingResources(e.getMessage());

         }

         // Vraci se null, je treba osetrit tuto honotu tam, kde je tato metoda volana !!!

         // Diky metode Editor.showDialogMissingResources() neni null treba osetrovat, protoze

         // jde o blokujici metodu, ktera ukonci program.

         return null;

       }

     /**

     * Vytvori nove menu - podmenu.

     * @param name String : Nazev polozky menu.

     * @param help String : Mapovani na tema napovedy.

     * @param tip String  : Tip - informace o polozce menu.

     * @return JMenuItem  : Vraci referenci na prave vytvorenou polozku menu.

     */

     private JMenu addMenu(final String name, final String help, final String tip)

     {

         try

         {

             JMenu m;

             m = new JMenu(Editor.getResourcesBundleString(name));

             if (help != null)

             {

                 // TODO: Pridat

                 // Pripojeni napovedy k polozce hlavniho menu

                 // Editor.helpBroker.enableHelp(m, help, Editor.helpSet);

             }

             if (tip != null)

             {

                 try

                 {

                     if (!MainMenu.isEmpty(Editor.getResourcesBundleString(tip)))

                     {

                         m.setToolTipText(Editor.getResourcesBundleString(tip));

                     }

                 }

                 catch (MissingResourceException e)

                 {

                     Editor.showDialogMissingResources(e.getMessage());

                 }

             }

             return m;

         }

         catch (MissingResourceException e)

         {

             Editor.showDialogMissingResources(e.getMessage());

         }

         // Vraci se null, je treba osetrit tuto honotu tam, kde je tato metoda volana !!!

         // Diky metode Editor.showDialogMissingResources() neni null treba osetrovat, protoze

         // jde o blokujici metodu, ktera ukonci program.

         return null;

     }

     /**

      * Vytvori novou polozku menu.

      * @param name String    : Nazev polozky menu.

      * @param tip String     : Tip - informace o polozce menu.

      * @param enable boolean : True = polozka je aktivni, Flase = polozka je neaktivni

      * @return JMenuItem     : Vraci referenci na prave vytvorenou polozku menu.

      */

     public static JMenuItem addMenuItem(final String name, final String tip, final boolean enable)

     {

         try

         {

             JMenuItem mi;

             mi = new JMenuItem(Editor.getResourcesBundleString(name));

             if (tip != null)

             {

                 try

                 {

                     if (!MainMenu.isEmpty(Editor.getResourcesBundleString(tip)))

                     {

                         mi.setToolTipText(Editor.getResourcesBundleString(tip));

                     }

                 }

                 catch (MissingResourceException e)

                 {

                     Editor.showDialogMissingResources(e.getMessage());

                 }

             }

             mi.setEnabled(enable);

             return mi;

         }

         catch (MissingResourceException e)

         {

             Editor.showDialogMissingResources(e.getMessage());

         }

         // Vraci se null, je treba osetrit tuto honotu tam, kde je tato metoda volana !!!

         // Diky metode Editor.showDialogMissingResources() neni null treba osetrovat, protoze

         // jde o blokujici metodu, ktera ukonci program.

         return null;

     }

     /**

      * Zobrazi plochu editoru pro vytvoreni textove hry.

      */

     private void createEditorTextBasedGames()

     {

         Editor.setEditorDesktop(EditorDesktop.EDITOR_TEXT_BASED_GAMES);

     }

     /**

      * Vytvori koncovou polozku menu Soubor - Konec.

      */

     private void createItemMenuFileExit()

     {

         this.exitIM = MainMenu.addMenuItem("cs.pancava.caltha.MainMenu-createItemMenuFileExit_exitIM",

                                            "cs.pancava.caltha.MainMenu-createItemMenuFileExit_exitIM_tip",

                                            true);

         this.exitIM.addActionListener(new ActionListener()

         {

             @Override

             public void actionPerformed(final ActionEvent e)

             {

                 final Object[] options = {"OK", "CANCEL", "HELP"};

                 int index = 0;

                 try

                 {

                     index = JOptionPane.showOptionDialog(null,

                                   Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createItemMenuFileExit_Dialog_msg"),

                                   Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createItemMenuFileExit_Dialog_tit"),

                                   JOptionPane.DEFAULT_OPTION,

                                   JOptionPane.QUESTION_MESSAGE,

                                   null,

                                   options,

                                   options[0]

                                 );

                 }

                 catch (MissingResourceException mre)

                 {

                     Editor.showDialogMissingResources(mre.getMessage());

                 }

                 switch (index)

                 {

                     case 0:

                              // Ukonceni aplikace po vyberu polozky menu Exit

                              System.exit(0);

                              break;

                     case 1:

                              break;

                     case 2:

                     default:

                              this.helpMenuFileExit();

                              break;

                 }

             }

             /**

              * Poskytne napovedu pro ukonceni programu.

              */

             private void helpMenuFileExit()

             {

                 // TODO: Zobrazit napovedu o ukonceni programu.

             }

         });

         this.fileMenu.addSeparator();

         this.fileMenu.add(this.exitIM);

      }

     /**

      * Vytvori koncovou plozku menu Novy - Textova hra.

      */

     private void createItemMenuFileNewTextBasedGames()

     {

         this.textBasedGamesIM = MainMenu.addMenuItem("cs.pancava.caltha.MainMenu-createItemMenuFileNewTextBasedGames_textBasedGamesIM",

                                                      "cs.pancava.caltha.MainMenu-createItemMenuFileNewTextBasedGames_textBasedGamesIM_tip",

                                                      true);

         this.textBasedGamesIM.addActionListener(new ActionListener()

         {

             @Override

             public void actionPerformed(final ActionEvent e)

             {

                 createEditorTextBasedGames();

             }

         });

         this.newMenu.add(this.textBasedGamesIM);

     }

     /**

      * Vytvori koncovou polozku O programu Caltha - Editor.

      */

     private void createItemMenuHelpAbout()

     {

         this.helpMenu.addSeparator();

         this.aboutIM = MainMenu.addMenuItem("cs.pancava.caltha.MainMenu-createItemMenuHelpAbout_aboutIM",

                                             "cs.pancava.caltha.MainMenu-createItemMenuHelpAbout_aboutIM_tip",

                                             true);

         this.aboutIM.addActionListener(new ActionListener()

         {

             @Override

             public void actionPerformed(final ActionEvent e)

             {

                 showAboutDialog();

             }

         });

         this.helpMenu.add(this.aboutIM);

     }

     /**

      * Vytvori koncovou polozku Cestina.

      */

     private void createItemMenuOptionsLanguageCzech()

     {

         this.czechIM = this.addCheckBoxMenuItem("cs.pancava.caltha.MainMenu-createItemMenuOptionsLanguageCzech_czechIM",

                                                 true,

                                                 "cs.pancava.caltha.MainMenu-createItemMenuOptionsLanguageCzech_czechIM",

                                                 true);

         this.czechIM.addItemListener(new ItemListener()

         {

             @Override

             public void itemStateChanged(final ItemEvent e)

             {

                 czechIM_itemStateChanged(e);

             }

         });

         this.languageMenu.add(this.czechIM);

     }

     /**

      * Vytvori koncovou polozku Anglictina.

      */

     private void createItemMenuOptionsLanguageEnglish()

     {

         this.englishIM = this.addCheckBoxMenuItem("cs.pancava.caltha.MainMenu-createItemMenuOptionsLanguageEnglish_englishIM",

                                                   false,

                                                   "cs.pancava.caltha.MainMenu-createItemMenuOptionsLanguageEnglish_englishIM_tip",

                                                   true);

         this.englishIM.addItemListener(new ItemListener()

         {

             @Override

             public void itemStateChanged(final ItemEvent e)

             {

                 englishIM_itemStateChanged(e);

             }

         });

         this.languageMenu.add(this.englishIM);

     }

     /**

      * Vytvori koncovou polozku Vychozi vzhled.

      */

     private void createItemMenuOptionsLookAndFeelDefaultLaF()

     {

          this.defaultLaFIM  = this.addCheckBoxMenuItem("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelDefaultLaF_defaultLaFIM",

                                                        true,

                                                        "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelDefaultLaF_defaultLaFIM_tip",

                                                        true);

          this.defaultLaFIM.addItemListener(new ItemListener()

          {

             @Override

              public void itemStateChanged(final ItemEvent e)

              {

                 defaultLaFIM_itemStateChanged(e);

              }

          });

          this.lookAndFeelMenu.add(this.defaultLaFIM);

     }

     /**

      * Vytvori koncovou polozku vzhled GTK.

      */

     private void createItemMenuOptionsLookAndFeelGtkLaF()

     {

         this.gtkLaFIM  = this.addCheckBoxMenuItem("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelGtkLaF_gtkLaFIM",

                                                   false,

                                                   "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelGtkLaF_gtkLaFIM_tip",

                                                   true);

         this.gtkLaFIM.addItemListener(new ItemListener()

         {

             @Override

             public void itemStateChanged(final ItemEvent e)

             {

                 gtkLaFIM_itemStateChanged(e);

             }

         });

         this.lookAndFeelMenu.add(this.gtkLaFIM);

    }

     /**

      * Vytvori koncovou polozku vzhled Sun Mac OS.

      */

     private void createItemMenuOptionsLookAndFeelMacLaF()

     {

         this.macLaFIM  = this.addCheckBoxMenuItem("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMacLaF_macLaFIM",

                                                   false,

                                                   "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMacLaF_macLaFIM_tip",

                                                   true);

         this.macLaFIM.addItemListener(new ItemListener()

         {

             @Override

             public void itemStateChanged(final ItemEvent e)

             {

                 macLaFIM_itemStateChanged(e);

             }

         });

         this.lookAndFeelMenu.add(this.macLaFIM);

    }

     /**

      * Vytvori koncovou polozku vzhled Metal.

      */

     private void createItemMenuOptionsLookAndFeelMetalLaF()

     {

         this.metalLaFIM  = this.addCheckBoxMenuItem("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMetalLaF_metalLaFIM",

                                                     false,

                                                     "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMetalLaF_metalLaFIM_tip",

                                                     true);

         this.metalLaFIM.addItemListener(new ItemListener()

         {

             @Override

             public void itemStateChanged(final ItemEvent e)

             {

                 metalLaFIM_itemStateChanged(e);

             }

         });

         this.lookAndFeelMenu.add(this.metalLaFIM);

     }

     /**

      * Vytvori koncovou polozku tema vzhledu Metal - vychozi.

      */

     private void createItemMenuOptionsLookAndFeelMetalThemeDefault()

     {

         this.defaultMetalThemeIM  = this.addCheckBoxMenuItem("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMetalThemeDefault_defaultMetalThemeIM",

                                                              true,

                                                              "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMetalThemeDefault_defaultMetalThemeIM_tip",

                                                              true);

         this.defaultMetalThemeIM.addItemListener(new ItemListener()

         {

             @Override

             public void itemStateChanged(final ItemEvent e)

             {

                 defaultMetalThemeIM_itemStateChanged(e);

             }

         });

         this.metalThemeMenu.add(this.defaultMetalThemeIM);

     }

     /**

      * Vytvori koncovou polozku tema vzhledu Metal - Vlastni.

      */

     private void createItemMenuOptionsLookAndFeelMetalThemeMyMetal()

     {

         this.myMetalThemeIM  = this.addCheckBoxMenuItem("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMetalThemeMyMetal_myMetalThemeIM",

                                                         false,

                                                         "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMetalThemeMyMetal_myMetalThemeIM_tip",

                                                         true);

         this.myMetalThemeIM.addItemListener(new ItemListener()

         {

             @Override

             public void itemStateChanged(final ItemEvent e)

             {

                 myMetalThemeIM_itemStateChanged(e);

             }

         });

         this.metalThemeMenu.add(this.myMetalThemeIM);

     }

     /**

      * Vytvori koncovou polozku tema vzhledu Metal - Ocean.

      */

     private void createItemMenuOptionsLookAndFeelMetalThemeOcean()

     {

         this.oceanMetalThemeIM  = this.addCheckBoxMenuItem("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMetalThemeOcean_oceanMetalThemeIM",

                                                            false,

                                                            "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMetalThemeOcean_oceanMetalThemeIM_tip",

                                                            true);

         this.oceanMetalThemeIM.addItemListener(new ItemListener()

         {

             @Override

             public void itemStateChanged(final ItemEvent e)

             {

                 oceanMetalThemeIM_itemStateChanged(e);

             }

         });

         this.metalThemeMenu.add(this.oceanMetalThemeIM);

     }

     /**

      * Vytvori koncovou polozku vzhled Motif.

      */

     private void createItemMenuOptionsLookAndFeelMotifLaF()

     {

         this.motifLaFIM  = this.addCheckBoxMenuItem("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMotifLaF_motifLaFIM",

                                                     false,

                                                     "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMotifLaF_motifLaFIM_tip",

                                                     true);

         this.motifLaFIM.addItemListener(new ItemListener()

         {

             @Override

             public void itemStateChanged(final ItemEvent e)

             {

                 motifLaFIM_itemStateChanged(e);

             }

         });

         this.lookAndFeelMenu.add(this.motifLaFIM);

     }

     /**

      * Vytvori koncovou polozku vzhled Windows.

      */

     private void createItemMenuOptionsLookAndFeelWindowsLaF()

     {

         this.windowsLaFIM  = this.addCheckBoxMenuItem("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelWindowsLaF_windowsLaFIM",

                                                       false,

                                                       "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelWindowsLaF_windowsLaFIM_tip",

                                                       true);

         this.windowsLaFIM.addItemListener(new ItemListener()

         {

             @Override

             public void itemStateChanged(final ItemEvent e)

             {

                 windowsLaFIM_itemStateChanged(e);

             }

         });

         this.lookAndFeelMenu.add(this.windowsLaFIM);

     }

     /**

      * Vytvori podmenu Soubor v hlavnim menu.

      */

     private void createMenuFile()

     {

         this.fileMenu = this.addMenu("cs.pancava.caltha.MainMenu-createMenuFile_fileMenu",

                                      "cs.pancava.caltha.MainMenu-createMenuFile_fileMenu",

                                      "cs.pancava.caltha.MainMenu-createMenuFile_fileMenu_tip");

         this.createMenuFileNew();

         this.createItemMenuFileExit();

         this.menuBar.add(this.fileMenu);

     }

     /**

      * Vytvori podmenu Novy v nabidce Soubor.

      */

     private void createMenuFileNew()

     {

         this.newMenu = this.addMenu("cs.pancava.caltha.MainMenu-createMenuFileNew_newMenu",

                                     "cs.pancava.caltha.MainMenu-createMenuFileNew_newMenu",

                                     "cs.pancava.caltha.MainMenu-createMenuFileNew_newMenu_tip");

         this.createItemMenuFileNewTextBasedGames();

         this.fileMenu.add(this.newMenu);

     }

     /**

      * Vytvori podmenu Napoveda.

      */

     private void createMenuHelp()

     {

         this.helpMenu = this.addMenu("cs.pancava.caltha.MainMenu-createMenuHelp_helpMenu",

                                      "cs.pancava.caltha.MainMenu-createMenuHelp_helpMenu",

                                      "cs.pancava.caltha.MainMenu-createMenuHelp_helpMenu_tip");

         //createItemMenuHelpEditorHelp(); // Napoveda pro program Caltha - Editor

         //createItemMenuHelpWhatThis();   // Co je to ?

         this.createItemMenuHelpAbout();

         this.menuBar.add(this.helpMenu);

     }

     /**

      * Vytvori podmenu Nastaveni v hlavnim menu.

      */

     private void createMenuOptions()

     {

         this.optionsMenu = this.addMenu("cs.pancava.caltha.MainMenu-createMenuOptions_optionsMenu",

                                         "cs.pancava.caltha.MainMenu-createMenuOptions_optionsMenu",

                                         "cs.pancava.caltha.MainMenu-createMenuOptions_optionsMenu_tip");

         this.createMenuOptionsLanguage();

         this.optionsMenu.addSeparator();

         this.createMenuOptionsLookAndFeel();

         this.menuBar.add(this.optionsMenu);

     }

     /**

      * Podmenu Jazyk v nabidce Nastaveni.

      */

     private void createMenuOptionsLanguage()

     {

         this.languageMenu = this.addMenu("cs.pancava.caltha.MainMenu-createMenuOptionsLanguage_languageMenu",

                                          "cs.pancava.caltha.MainMenu-createMenuOptionsLanguage_languageMenu",

                                          "cs.pancava.caltha.MainMenu-createMenuOptionsLanguage_languageMenu_tip");

         this.createItemMenuOptionsLanguageCzech();

         this.createItemMenuOptionsLanguageEnglish();

         this.optionsMenu.add(this.languageMenu);

     }

     /**

      * Podmenu Vzhled v nabidce Nastaveni.

      */

     private void createMenuOptionsLookAndFeel()

     {

         this.lookAndFeelMenu = this.addMenu("cs.pancava.caltha.MainMenu-createMenuOptionsLookAndFeel_lookAndFeelMenu",

                                             "cs.pancava.caltha.MainMenu-createMenuOptionsLookAndFeel_lookAndFeelMenu",

                                             "cs.pancava.caltha.MainMenu-createMenuOptionsLookAndFeel_lookAndFeelMenu_tip");

         this.createItemMenuOptionsLookAndFeelDefaultLaF();

         this.createItemMenuOptionsLookAndFeelGtkLaF();

         this.createItemMenuOptionsLookAndFeelMacLaF();

         this.createItemMenuOptionsLookAndFeelMetalLaF();

         this.createItemMenuOptionsLookAndFeelMotifLaF();

         this.createItemMenuOptionsLookAndFeelWindowsLaF();

         this.createMenuOptionsLookAndFeelMetalTheme();

         this.optionsMenu.add(this.lookAndFeelMenu);

     }

     /**

      * Podmenu Tema Metal v nabidce Vzhled v nabidce Nastaveni.

      */

     private void createMenuOptionsLookAndFeelMetalTheme()

     {

         this.metalThemeMenu = this.addMenu("cs.pancava.caltha.MainMenu-createMenuOptionsLookAndFeelMetalTheme_metalThemeMenu",

                                            null,

                                            "cs.pancava.caltha.MainMenu-createMenuOptionsLookAndFeelMetalTheme_metalThemeMenu_tip");

         this.createItemMenuOptionsLookAndFeelMetalThemeDefault();

         this.createItemMenuOptionsLookAndFeelMetalThemeOcean();

         this.createItemMenuOptionsLookAndFeelMetalThemeMyMetal();

         this.metalThemeMenu.setEnabled(false);

         this.lookAndFeelMenu.add(this.metalThemeMenu);

     }

     /**

      * Obsluha udalosti pri zaskrtnuti/odsrtnuti polozky menu Jazyk - Vyber cestiny.

      * @param e ItemEvent

      */

     private void czechIM_itemStateChanged(final ItemEvent e)

     {

         if (e.getStateChange() == ItemEvent.SELECTED)

         {

             this.englishIM.setSelected(false);

             try

             {

                 Editor.setResourcesBundle(ResourceBundle.getBundle("Caltha", Editor.getCzLocale()));

             }

             catch (MissingResourceException mre)

             {

                 Editor.errorMissingResource(mre.getMessage());

             }

             this.updateText();

         }

         else

         {

             if (!this.englishIM.isSelected())

             {

                 this.czechIM.setSelected(true);

             }

         }

     }

     /**

      * Obsluha udalosti pri zaskrtnuti/odsrtnuti polozky menu Vzhled - Vychozi.

      * @param e ItemEvent

      */

     private void defaultLaFIM_itemStateChanged(final ItemEvent e)

     {

         if (e.getStateChange() == ItemEvent.SELECTED)

         {

             this.gtkLaFIM.setSelected(false);

             this.macLaFIM.setSelected(false);

             this.metalLaFIM.setSelected(false);

             this.motifLaFIM.setSelected(false);

             this.windowsLaFIM.setSelected(false);

             this.metalThemeMenu.setEnabled(false);

             this.setLookAndFeel(UIManager.getSystemLookAndFeelClassName(), null);

         }

         else

         {

             if ((!this.gtkLaFIM.isSelected())

                  && (!this.macLaFIM.isSelected())

                  && (!this.metalLaFIM.isSelected())

                  && (!this.motifLaFIM.isSelected())

                  && (!this.windowsLaFIM.isSelected()))

             {

                 this.defaultLaFIM.setSelected(true);

             }

         }

    }

     /**

      * Obsluha udalosti pri zaskrtnuti/odsrtnuti polozky menu Tema Metal - Vychozi nastaveni.

      * @param e ItemEvent

      */

     private void defaultMetalThemeIM_itemStateChanged(final ItemEvent e)

     {

         if (e.getStateChange() == ItemEvent.SELECTED)

         {

             this.oceanMetalThemeIM.setSelected(false);

             this.myMetalThemeIM.setSelected(false);

             this.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel", "DefaultMetal");

         }

         else

         {

             if ((!this.oceanMetalThemeIM.isSelected())

                  && (!this.myMetalThemeIM.isSelected()))

             {

                 this.defaultMetalThemeIM.setSelected(true);

             }

         }

     }

     /**

      * Obsluha udalosti pri zaskrtnuti/odsrtnuti polozky menu Jazyk - Vyber anglictiny.

      * @param e ItemEvent

      */

     private void englishIM_itemStateChanged(final ItemEvent e)

     {

         if (e.getStateChange() == ItemEvent.SELECTED)

         {

             this.czechIM.setSelected(false);

             try

             {

                 Editor.setResourcesBundle(ResourceBundle.getBundle("Caltha", Locale.ENGLISH));

             }

             catch (MissingResourceException mre)

             {

                 Editor.errorMissingResource(mre.getMessage());

             }

             this.updateText();

         }

         else

         {

             if (!this.czechIM.isSelected())

             {

                 this.englishIM.setSelected(true);

             }

         }

    }

     /**

      * Obsluha udalosti pri zaskrtnuti/odsrtnuti polozky menu Vzhled - GTK.

      * @param e ItemEvent

      */

     private void gtkLaFIM_itemStateChanged(final ItemEvent e)

     {

         if (e.getStateChange() == ItemEvent.SELECTED)

         {

             this.defaultLaFIM.setSelected(false);

             this.macLaFIM.setSelected(false);

             this.metalLaFIM.setSelected(false);

             this.motifLaFIM.setSelected(false);

             this.windowsLaFIM.setSelected(false);

             this.metalThemeMenu.setEnabled(false);

             this.setLookAndFeel("com.sun.java.swing.plaf.gtk.GTKLookAndFeel", null);

         }

         else

         {

             if ((!this.defaultLaFIM.isSelected())

                  && (!this.macLaFIM.isSelected())

                  && (!this.metalLaFIM.isSelected())

                  && (!this.motifLaFIM.isSelected())

                  && (!this.windowsLaFIM.isSelected()))

             {

                 gtkLaFIM.setSelected(true);

             }

         }

     }

     /**

      * Zjisti, zda je retezec prazdny.

      * @param s String : Retezec k prozkoumani.

      * @return boolean : true - je prazdny; false - neni prazdny.

      */

     public static boolean isEmpty(final String s)

     {

         // funkce trim odstrani vsechny mezery, tabulatory, ridici znaky ze zacatku a z konce retezce.

         final String t = s.trim();

         if (t.length() == 0)

         {

             return true;

         }

         return false;

     }

     /**

      * Obsluha udalosti pri zaskrtnuti/odsrtnuti polozky menu Vzhled - Sun Mac OS.

      * @param e ItemEvent

      */

     private void macLaFIM_itemStateChanged(final ItemEvent e)

     {

         if (e.getStateChange() == ItemEvent.SELECTED)

         {

             this.defaultLaFIM.setSelected(false);

             this.gtkLaFIM.setSelected(false);

             this.metalLaFIM.setSelected(false);

             this.motifLaFIM.setSelected(false);

             this.windowsLaFIM.setSelected(false);

             this.metalThemeMenu.setEnabled(false);

             this.setLookAndFeel("com.sun.java.swing.plaf.mac.MacLookAndFeel", null);

         }

         else

         {

             if ((!this.defaultLaFIM.isSelected())

                 && (!this.gtkLaFIM.isSelected())

                 && (!this.metalLaFIM.isSelected())

                 && (!this.motifLaFIM.isSelected())

                 && (!this.windowsLaFIM.isSelected()))

             {

                 this.macLaFIM.setSelected(true);

             }

         }

     }

     /**

      * Obsluha udalosti pri zaskrtnuti/odsrtnuti polozky menu Vzhled - Metal.

      * @param e ItemEvent

      */

     private void metalLaFIM_itemStateChanged(final ItemEvent e)

     {

         if (e.getStateChange() == ItemEvent.SELECTED)

         {

             this.defaultLaFIM.setSelected(false);

             this.gtkLaFIM.setSelected(false);

             this.macLaFIM.setSelected(false);

             this.motifLaFIM.setSelected(false);

             this.windowsLaFIM.setSelected(false);

             this.metalThemeMenu.setEnabled(true);

             this.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel", "DefaultMetal");

         }

         else

         {

             if ((!this.defaultLaFIM.isSelected())

                  && (!this.gtkLaFIM.isSelected())

                  && (!this.macLaFIM.isSelected())

                  && (!this.motifLaFIM.isSelected())

                  && (!this.windowsLaFIM.isSelected()))

             {

                 this.metalLaFIM.setSelected(true);

             }

         }

     }

     /**

      * Obsluha udalosti pri zaskrtnuti/odsrtnuti polozky menu Vzhled - Motif.

      * @param e ItemEvent

      */

     private void motifLaFIM_itemStateChanged(final ItemEvent e)

     {

         if (e.getStateChange() == ItemEvent.SELECTED)

         {

             this.defaultLaFIM.setSelected(false);

             this.gtkLaFIM.setSelected(false);

             this.macLaFIM.setSelected(false);

             this.metalLaFIM.setSelected(false);

             this.windowsLaFIM.setSelected(false);

             this.metalThemeMenu.setEnabled(false);

             this.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel", null);

         }

         else

         {

             if ((!this.defaultLaFIM.isSelected())

                  && (!this.gtkLaFIM.isSelected())

                  && (!this.macLaFIM.isSelected())

                  && (!this.metalLaFIM.isSelected())

                  && (!this.windowsLaFIM.isSelected()))

             {

                 this.motifLaFIM.setSelected(true);

             }

         }

     }

     /**

      * Obsluha udalosti pri zaskrtnuti/odsrtnuti polozky menu Tema Metal - Vlastni tema.

      * @param e ItemEvent

      */

     private void myMetalThemeIM_itemStateChanged(final ItemEvent e)

     {

         if (e.getStateChange() == ItemEvent.SELECTED)

         {

             this.oceanMetalThemeIM.setSelected(false);

             this.defaultMetalThemeIM.setSelected(false);

             this.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel", "MyMetal");

         }

         else

         {

             if ((!this.defaultMetalThemeIM.isSelected())

                  && (!this.oceanMetalThemeIM.isSelected()))

             {

                 this.myMetalThemeIM.setSelected(true);

             }

         }

     }

     /**

      * Obsluha udalosti pri zaskrtnuti/odsrtnuti polozky menu Tema Metal - Ocean.

      * @param e ItemEvent

      */

     private void oceanMetalThemeIM_itemStateChanged(final ItemEvent e)

     {

         if (e.getStateChange() == ItemEvent.SELECTED)

         {

             this.defaultMetalThemeIM.setSelected(false);

             this.myMetalThemeIM.setSelected(false);

             this.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel", "Ocean");

         }

         else

         {

             if ((!this.defaultMetalThemeIM.isSelected())

                  && (this.myMetalThemeIM.isSelected()))

             {

                 this.oceanMetalThemeIM.setSelected(true);

             }

         }

     }

     /**

      * Nastavi novy vzhled aplikace.

      * @param vzhled String : Druh kolekce tematu.

      * @param tema String   : Konkretni tema z dane kolekce.

      */

     private void setLookAndFeel(final String vzhled, final String tema)

     {

         try

         {

             UIManager.setLookAndFeel(vzhled);

             if (vzhled.equals("javax.swing.plaf.metal.MetalLookAndFeel"))

             {

                 if (tema != null)

                 {

                     if (tema.equals("DefaultMetal"))

                     {

                         MetalLookAndFeel.setCurrentTheme(new DefaultMetalTheme());

                     }

                     else if (tema.equals("Ocean"))

                     {

                         MetalLookAndFeel.setCurrentTheme(new OceanTheme());

                     }

                     else if (tema.equals("MyMetal"))

                     {

                         MetalLookAndFeel.setCurrentTheme(new MyTheme());

                     }

                     else

                     {

                         MetalLookAndFeel.setCurrentTheme(new DefaultMetalTheme());

                     }

                 }

                 UIManager.setLookAndFeel(new MetalLookAndFeel());

             }

             SwingUtilities.updateComponentTreeUI(Editor.getCalthaEditor());

         }

         catch (ClassNotFoundException e)

         {

             try

             {

                 final String msg1 = Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-setLookAndFeel_ClassNotFoundException_msg1");

                 final String msg2 = Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-setLookAndFeel_ClassNotFoundException_msg2");

                 final String msg3 = Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-setLookAndFeel_ClassNotFoundException_msg3");

                 final String  tit = Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-setLookAndFeel_ClassNotFoundException_tit");

                 Editor.showDialog(msg1 + " " + vzhled + " " + msg2 + "\n" + e.getMessage() + "\n" + msg3,

                                   tit,

                                   JOptionPane.WARNING_MESSAGE);

                 this.defaultLaFIM.doClick();

             }

             catch (MissingResourceException mre)

             {

                 Editor.showDialogMissingResources(mre.getMessage());

             }

         }

         catch (UnsupportedLookAndFeelException e)

         {

             try

             {

                 final String msg1 = Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-setLookAndFeel_UnsupportedLookAndFeelException_msg1");

                 final String msg2 = Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-setLookAndFeel_UnsupportedLookAndFeelException_msg2");

                 final String  tit = Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-setLookAndFeel_UnsupportedLookAndFeelException_tit");

                 Editor.showDialog(msg1 + " " + vzhled + "\n" + e.getMessage() + "\n" + msg2,

                               tit,

                               JOptionPane.WARNING_MESSAGE);

                 this.defaultLaFIM.doClick();

             }

             catch (MissingResourceException mre)

             {

                 Editor.showDialogMissingResources(mre.getMessage());

             }

         }

         catch (Exception e)

         {

             try

             {

                 final String msg1 = Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-setLookAndFeel_Exception_msg1");

                 final String msg2 = Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-setLookAndFeel_Exception_msg2");

                 final String  tit = Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-setLookAndFeel_Exception_tit");

                 Editor.showDialog(msg1 + " " + vzhled + "\n" + e.getMessage() + "\n" + msg2,

                                   tit,

                                   JOptionPane.WARNING_MESSAGE);

                 this.defaultLaFIM.doClick();

             }

             catch (MissingResourceException mre)

             {

                 Editor.showDialogMissingResources(mre.getMessage());

             }

          }

     }

     /**

      * Zobrazi strucne informace o programu.

      */

     private void showAboutDialog()

     {

         final AboutDialog ad = new AboutDialog();

         ad.setVisible(true);

     }

     /**

      * Aktualizace vsech textu v menu.

      * Volano pri zmene jazyka - lokalizace.

      */

     private void updateText()

     {

         Editor.getCalthaEditor().updateText();

         World2DPopupMenuListener.updateText();

         try

         {

             this.fileMenu.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createMenuFile_fileMenu"));

             this.updateTextTipMenu(this.fileMenu, "cs.pancava.caltha.MainMenu-createMenuFile_fileMenu_tip");

               this.newMenu.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createMenuFileNew_newMenu"));

               this.updateTextTipMenu(this.newMenu, "cs.pancava.caltha.MainMenu-createMenuFileNew_newMenu_tip");

                 this.textBasedGamesIM.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createItemMenuFileNewTextBasedGames_textBasedGamesIM"));

                 MainMenu.updateTextTipMenuItem(this.textBasedGamesIM, "cs.pancava.caltha.MainMenu-createItemMenuFileNewTextBasedGames_textBasedGamesIM_tip");

               this.exitIM.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createItemMenuFileExit_exitIM"));

               MainMenu.updateTextTipMenuItem(this.exitIM, "cs.pancava.caltha.MainMenu-createItemMenuFileExit_exitIM_tip");

             this.optionsMenu.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createMenuOptions_optionsMenu"));

             this.updateTextTipMenu(this.optionsMenu, "cs.pancava.caltha.MainMenu-createMenuOptions_optionsMenu_tip");

               this.languageMenu.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createMenuOptionsLanguage_languageMenu"));

               this.updateTextTipMenu(this.languageMenu, "cs.pancava.caltha.MainMenu-createMenuOptionsLanguage_languageMenu_tip");

                 this.czechIM.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createItemMenuOptionsLanguageCzech_czechIM"));

                 this.updateTextTipCheckBoxMenuItem(this.czechIM, "cs.pancava.caltha.MainMenu-createItemMenuOptionsLanguageCzech_czechIM_tip");

                 this.englishIM.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createItemMenuOptionsLanguageEnglish_englishIM"));

                 this.updateTextTipCheckBoxMenuItem(this.englishIM, "cs.pancava.caltha.MainMenu-createItemMenuOptionsLanguageEnglish_englishIM_tip");

               this.lookAndFeelMenu.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createMenuOptionsLookAndFeel_lookAndFeelMenu"));

               this.updateTextTipMenu(this.lookAndFeelMenu, "cs.pancava.caltha.MainMenu-createMenuOptionsLookAndFeel_lookAndFeelMenu_tip");

                 this.defaultLaFIM.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelDefaultLaF_defaultLaFIM"));

                 this.updateTextTipCheckBoxMenuItem(this.defaultLaFIM, "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelDefaultLaF_defaultLaFIM_tip");

                 this.gtkLaFIM.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelGtkLaF_gtkLaFIM"));

                 this.updateTextTipCheckBoxMenuItem(this.gtkLaFIM, "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelGtkLaF_gtkLaFIM_tip");

                 this.macLaFIM.setText(Editor.getResourcesBundleString("cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMacLaF_macLaFIM"));

                 this.updateTextTipCheckBoxMenuItem(this.macLaFIM, "cs.pancava.caltha.MainMenu-createItemMenuOptionsLookAndFeelMacLaF_macLaFIM_tip");