//     File: OSXAppAdapter.java

// Abstract: Adapter class for the Mac OS X eAWT event handlers.

//  Version: 2.1

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package com.example.app;

import java.awt.event.ActionEvent;

import java.io.File;

import java.util.List;

import com.apple.eawt.*;

import com.apple.eawt.AppEvent.*;

/**

 * Helper class for Mac OS X, which integrates the ApplicationController

 * functions with the native About, Preferences, and Quit menus in the

 * Mac OS X application menu. Also hooks up the open-file action.

 */

public class OSXAppAdapter {

    static void installAdapterForController(final ApplicationController app) {

        // if not on a Mac, don't load the EAWT application

        if (!app.getPlatform().isMac()) return;

        final Application macApp = Application.getApplication();

        final Actions actions = app.getActions();

        macApp.setDefaultMenuBar(MenuBarBuilder.createMenuBar(app, null));

        // link the About action to the EAWT About menu

/* uncomment to suppress the default About handler

        macApp.setAboutHandler(new AboutHandler() {

            public void handleAbout(final AboutEvent e) {

                actions.about.actionPerformed(createActionEventFrom(e.getSource()));

            }

        });

*/

        // link the Preferences action to the EAWT Preferences menu

/* uncomment to suppress the default Preferences handler

        macApp.setPreferencesHandler(new PreferencesHandler() {

            public void handlePreferences(final PreferencesEvent e) {

                actions.preferences.actionPerformed(createActionEventFrom(e.getSource()));

            }

        });

*/

        // open any files claimed by the App's Info.plist

        macApp.setOpenFileHandler(new OpenFilesHandler() {

            public void openFiles(final OpenFilesEvent e) {

                final List<File> files = e.getFiles();

                for (final File file : files) {

                    app.openFile(file);

                }

            }

        });

        // ask the app if now is a good time to quit

        macApp.setQuitHandler(new QuitHandler() {

            public void handleQuitRequestWith(final QuitEvent e, final QuitResponse response) {

                if (app.requestQuit()) {

                    response.performQuit();

                } else {

                    response.cancelQuit();

                }

            }

        });

    }

    static ActionEvent createActionEventFrom(final Object source) {

        return new ActionEvent(source, ActionEvent.ACTION_PERFORMED, null);

    }

}