/*
 *                 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.
 */
/*
 * OpenTestAction.java
 *
 * Created on February 28, 2001, 7:08 PM
 */

package org.netbeans.modules.junit;

import java.net.URL;

import java.util.ArrayList;
import javax.swing.Action;
import org.netbeans.api.java.classpath.ClassPath;
import org.netbeans.api.java.queries.UnitTestForSourceQuery;
import org.netbeans.spi.java.classpath.support.ClassPathSupport;
import org.openide.ErrorManager;
import org.openide.cookies.EditorCookie;
import org.openide.cookies.SourceCookie;
import org.openide.filesystems.FileObject;
import org.openide.loaders.DataFolder;
import org.openide.loaders.DataObject;
import org.openide.loaders.DataObjectNotFoundException;
import org.openide.nodes.Node;
import org.openide.src.ClassElement;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;
import org.openide.util.actions.CookieAction;
import javax.swing.JMenuItem;
import javax.swing.JMenu;
import javax.swing.ImageIcon;
import org.openide.util.Utilities;

/** Action sensitive to some DataFolder, SourceCookie or ClassElement cookie
 * which tries to open JUnit test corresponding to the selected soruce file.
 *
 * @author  Nathan W. Phelps, David Konecny
 * @ version 1.0
 */
public class OpenTestAction extends CookieAction {

    protected Class[] cookieClasses () {
        return new Class[] { DataFolder.class, SourceCookie.class, ClassElement.class };
    }

    public boolean asynchronous() {
        return false;
    }

    protected int mode () {
        return MODE_ALL;
    }

    protected void performAction (Node[] nodes) {
        FileObject selectedFO;
        
        for (int i = 0; i < nodes.length; i++) {
            // get test class or suite class file, if it was not such one pointed by the node
            selectedFO = TestUtil.getFileObjectFromNode(nodes[i]);
            if (selectedFO == null) {
                TestUtil.notifyUser(NbBundle.getMessage(OpenTestAction.class, "MSG_file_from_node_failed"));
                continue;
            }
            ClassPath cp = ClassPath.getClassPath(selectedFO, ClassPath.SOURCE);
            if (cp == null) {
                TestUtil.notifyUser(NbBundle.getMessage(OpenTestAction.class, 
                    "MSG_no_project", selectedFO));
                continue;
            }
            FileObject packageRoot = cp.findOwnerRoot(selectedFO);
            String resource = cp.getResourceName(selectedFO, '/', false);
            
            URL testRoot = UnitTestForSourceQuery.findUnitTest(packageRoot);
            ClassPath testClassPath = null;
            if (testRoot == null) {
                // no tests, use sources instead
                testClassPath = cp;
            } else {
                ArrayList cpItems = new ArrayList();
                cpItems.add(ClassPathSupport.createResource(testRoot));
                testClassPath = ClassPathSupport.createClassPath(cpItems);
            }
            String testName = null;
            if (selectedFO.isFolder()) {
                // find Suite for package
                testName = TestUtil.convertPackage2SuiteName(resource);
            } else {
                // find Test for class
                testName = TestUtil.convertClass2TestName(resource);
            }
            FileObject fileToOpen = testClassPath.findResource(testName+".java");
            if (fileToOpen != null) {
                openFile(fileToOpen);
            } else {
                TestUtil.notifyUser(NbBundle.getMessage(OpenTestAction.class,
                    selectedFO.isFolder() ? "MSG_testsuite_class_not_found" : 
                    "MSG_test_class_not_found", testName, resource));
                continue;
            }
        }
    }

    /**
     * Open given file in editor.
     * @return true if file was opened or false
     */
    private boolean openFile(FileObject fo) {
        DataObject dobj;
        try {
            dobj = DataObject.find(fo);
        } catch (DataObjectNotFoundException e) {
            ErrorManager.getDefault().log(ErrorManager.ERROR, e.toString());
            return false;
        }
        if (dobj == null) {
             return false;
         }
         EditorCookie cookie = (EditorCookie)dobj.getCookie(EditorCookie.class);
         if (cookie == null) {
             return false;
         }
         cookie.open();
         return true;
    }
    
    public String getName () {
        return NbBundle.getMessage (OpenTestAction.class, "LBL_Action_OpenTest");
    }

//     protected String iconResource () {
//         return "org/netbeans/modules/junit/resources/OpenTestActionIcon.gif";
//     }

    public HelpCtx getHelpCtx () {
        return new HelpCtx(OpenTestAction.class);
    }

    /** Perform special enablement check in addition to the normal one.
    protected boolean enable (Node[] nodes) {
	if (! super.enable (nodes)) return false;
	if (...) ...;
    }
    */

    protected void initialize () {
	super.initialize ();
        putProperty(Action.SHORT_DESCRIPTION, NbBundle.getMessage(OpenTestAction.class, "HINT_Action_OpenTest"));
    }
}