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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.netbeans.modules.selenium2.api;

import java.io.File;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.openide.cookies.EditorCookie;
import org.openide.cookies.LineCookie;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
import org.openide.loaders.DataObject;
import org.openide.loaders.DataObjectNotFoundException;
import org.openide.text.Line;
import org.openide.util.Mutex;

/**
 *
 * @author Theofanis Oikonomou
 */
public final class Utils {

    static final Logger LOGGER = Logger.getLogger(Utils.class.getName());
    
    /**
     * Opens the file and optionally set cursor to the line. This action is always run in AWT thread.
     * @param file path of a file to open
     * @param line line of a file to set cursor to, {@code -1} if no specific line is needed
     */
    public static void openFile(File file, int line) {
        openFile(file, line, -1);
    }
    
    /**
     * Opens the file and optionally set cursor to the line and column. This action is always run in AWT thread.
     * @param file path of a file to open
     * @param line line of a file to set cursor to, {@code -1} if no specific line is needed
     * @param column column within a line to set cursor to, {@code -1} if no specific column is needed
     */
    public static void openFile(File file, int line, final int column) {
        assert file != null;

        FileObject fileObject = FileUtil.toFileObject(FileUtil.normalizeFile(file));
        if (fileObject == null) {
            LOGGER.log(Level.INFO, "FileObject not found for {0}", file);
            return;
        }

        DataObject dataObject;
        try {
            dataObject = DataObject.find(fileObject);
        } catch (DataObjectNotFoundException ex) {
            LOGGER.log(Level.INFO, "DataObject not found for {0}", file);
            return;
        }

        if (line == -1) {
            // simply open file
            EditorCookie ec = dataObject.getLookup().lookup(EditorCookie.class);
            ec.open();
            return;
        }

        // open at specific line
        LineCookie lineCookie = dataObject.getLookup().lookup(LineCookie.class);
        if (lineCookie == null) {
            LOGGER.log(Level.INFO, "LineCookie not found for {0}", file);
            return;
        }
        Line.Set lineSet = lineCookie.getLineSet();
        try {
            final Line currentLine = lineSet.getCurrent(line - 1);
            Mutex.EVENT.readAccess(new Runnable() {
                @Override
                public void run() {
                    currentLine.show(Line.ShowOpenType.OPEN, Line.ShowVisibilityType.FOCUS, column);
                }
            });
        } catch (IndexOutOfBoundsException exc) {
            LOGGER.log(Level.FINE, null, exc);
        }
    }
}