/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.editor.java;

import java.awt.event.ActionEvent;
import java.util.Set;
import org.openide.util.actions.CallableSystemAction;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;
import org.netbeans.editor.ext.ListCompletionView;
import javax.swing.SwingUtilities;
import org.netbeans.api.java.classpath.ClassPath;
import org.netbeans.api.java.classpath.GlobalPathRegistry;

/**
 * Open java source according to the given expression.
 *
 * @author Miloslav Metelka
 * @version 1.0
 */

public class JavaFastOpenAction extends CallableSystemAction {
    
    private static JavaFastOpenAction instance;
    
    private static final String HELP_ID = "editing.fastopen"; // NOI18N

    public void actionPerformed(ActionEvent e) {
        SwingUtilities.invokeLater (new Runnable() {
            public void run() {
                NbJavaJMIFastOpen.showFastOpen();
            }
        });
    }
    
    public static synchronized JavaFastOpenAction getInstance(){
        if (instance == null){
            instance = new JavaFastOpenAction();
            instance.putValue(org.netbeans.editor.ext.ExtKit.TRIMMED_TEXT, NbBundle.getBundle(JavaKit.class).getString("goto-class-trimmed"));  //NOI18N
        }
        return instance;
    }
    
    public String getName() {
        return NbBundle.getBundle(JavaFastOpenAction.class).getString("NAME_JavaFastOpenAction"); // NOI18N
    }
    
    public HelpCtx getHelpCtx() {
        return new HelpCtx(HELP_ID);
    }

    /** Actually perform the action.
     * This is the method which should be called programmatically.
     * Presenters in {@link Actions} use this.
     */
    public void performAction() {
    }
    
    public boolean isEnabled() {
        /* If there are no paths in registry, the action shoud be disabled (#46632)*/        
        Set sources = GlobalPathRegistry.getDefault().getPaths(ClassPath.SOURCE);
        Set compile = GlobalPathRegistry.getDefault().getPaths(ClassPath.COMPILE);
        Set boot = GlobalPathRegistry.getDefault().getPaths(ClassPath.BOOT);
        return !(sources.isEmpty() && compile.isEmpty() && boot.isEmpty());
    }
    

}