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package org.netbeans.modules.applemenu;

import com.apple.eawt.*;
import com.jaspersoft.ireport.designer.ElementNodeFactory;
import java.awt.Dialog;
import java.awt.Window;
import java.awt.event.ActionEvent;

import java.beans.Beans;
import java.io.File;
import java.util.Collection;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.Action;
import javax.swing.JDialog;
import org.netbeans.api.options.OptionsDisplayer;

import org.openide.DialogDescriptor;
import org.openide.DialogDisplayer;
import org.openide.cookies.EditCookie;
import org.openide.filesystems.*;
import org.openide.cookies.OpenCookie;
import org.openide.cookies.ViewCookie;
import org.openide.loaders.DataObject;
import org.openide.loaders.DataObjectNotFoundException;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;
import org.openide.util.lookup.Lookups;
//import org.openide.windows.WindowSystemEvent;
//import org.openide.windows.WindowSystemListener;

/** Adapter class which intercepts action events and passes them to the
 * correct action instance as defined in the system filesystem.
 *
 * @author  Tim Boudreau
 */

class NbApplicationAdapter implements ApplicationListener {
    
    private static ApplicationListener al = null;
    
    private NbApplicationAdapter() {
    }

    static void install() {
        //Thanks to Scott Kovatch from Apple for this fix - enabling the preferences menu
        //requires that Beans.isDesignTime() be false
        boolean wasDesignTime = Beans.isDesignTime();
        
        try {
            Beans.setDesignTime (false);

            al = new NbApplicationAdapter();
            Application.getApplication().addApplicationListener(al);
            Application.getApplication().setEnabledAboutMenu(true);
            Application.getApplication().setEnabledPreferencesMenu(true);
        } finally {
            Beans.setDesignTime(wasDesignTime);
        }
        /*
        WindowManager.getDefault().addWindowSystemListener(new WindowSystemListener() {

            
            @Override
            public void beforeLoad(WindowSystemEvent event) {
                WindowManager.getDefault().removeWindowSystemListener(this);
                try {
                    FullScreenUtilities.setWindowCanFullScreen(WindowManager.getDefault().getMainWindow(), true);
                } catch( ThreadDeath td ) {
                    throw td;
                } catch( Throwable e ) {
                    Logger.getLogger(NbApplicationAdapter.class.getName()).log(Level.FINE, 
                            "Error while setting up full screen support.", e );//NOI18N
                }
            }

            @Override
            public void afterLoad(WindowSystemEvent event) {
            }

            @Override
            public void beforeSave(WindowSystemEvent event) {
            }

            @Override
            public void afterSave(WindowSystemEvent event) {
            }
        });
        */
    }

    static void uninstall() {
        if (al != null) {
            Application.getApplication().removeApplicationListener(al);
            al = null;
        }
    }
    
    public void handleAbout(ApplicationEvent e) {
        //#221571 - check if About window is showing already
        Window[] windows = Dialog.getWindows();
        if( null != windows ) {
            for( Window w : windows ) {
                if( w instanceof JDialog ) {
                    JDialog dlg = (JDialog) w;
                    if( Boolean.TRUE.equals(dlg.getRootPane().getClientProperty("nb.about.dialog") ) ) { //NOI18N
                        if( dlg.isVisible() ) {
                            dlg.toFront();
                            e.setHandled(true);
                            return;
                        }
                    }
                }
            }
        }
        e.setHandled(performAction("Help", "org.netbeans.core.actions.AboutAction"));
    }
    
    public void handleOpenApplication (ApplicationEvent e) {
    }
    
    public void handleOpenFile (ApplicationEvent e) {
        boolean result = false;
        String fname = e.getFilename();
        File f = new File (fname);
        if (f.exists() && !f.isDirectory()) {
            FileObject obj = FileUtil.toFileObject(f);
            if (obj != null) {
                try {
                    DataObject dob = DataObject.find(obj);
                    OpenCookie oc = dob.getLookup().lookup (OpenCookie.class);
                    if (result = oc != null) {
                        oc.open();
                    } else {
                        EditCookie ec = dob.getLookup().lookup(EditCookie.class);
                        if (result = ec != null) {
                            ec.edit();
                        } else {
                            ViewCookie v = dob.getLookup().lookup(ViewCookie.class);
                            if (result = v != null) {
                                v.view();
                            }
                        }
                    }
                } catch (DataObjectNotFoundException ex) {
                    Logger.getLogger(NbApplicationAdapter.class.getName()).log(Level.INFO, fname, ex);
                }
            }
        }
        e.setHandled(result);
    }
    
    public void handlePreferences (ApplicationEvent e) {
        e.setHandled(performAction("Window", "org.netbeans.modules.options.OptionsWindowAction"));
    }
    
    public void handlePrintFile (ApplicationEvent e) {
        //do nothing - what invokes this?
    }
    
    public void handleQuit (ApplicationEvent e) {
        //Set it to false to abort the quit, our code will handle shutdown
        performAction("System", "org.netbeans.core.actions.SystemExit");
        e.setHandled(false);
    }
    
    public void handleReOpenApplication (ApplicationEvent e) {
    }
    
    private boolean performAction(String category, String id) {
        
        Lookup lkUp = Lookups.forPath("Actions/" + category);// lookupItem(); // NOI18N
        Collection<? extends Action> actions = lkUp.lookupAll(Action.class);

        for (Action a : actions)
        {
            System.out.println(a.getClass().getName());
            if (a.getClass().getName().equals(id))
            {
                ActionEvent ae = new ActionEvent(this, ActionEvent.ACTION_PERFORMED, "whatever");
                a.actionPerformed(ae);
                return true;
            }
        }
        
        System.out.println("Unable to find " + id + " in " + category);
        
        return false;
    }
    
}
