/*
 * 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.apache.jmeter.gui.util;

import java.io.File;

import javax.swing.JFileChooser;

import org.apache.jmeter.gui.ReportGuiPackage;
import org.apache.jmeter.util.JMeterUtils;

public final class DirectoryDialoger {
	/**
	 * The last directory visited by the user while choosing Files.
	 */
	private static String lastJFCDirectory = null;

	private static final JFileChooser jfc = new JFileChooser();

	/**
	 * Prevent instantiation of utility class.
	 */
	private DirectoryDialoger() {
	}

	public static JFileChooser promptToOpenFile() {

		if (lastJFCDirectory == null) {
			String start = JMeterUtils.getPropDefault("user.dir", "");

			if (!start.equals("")) {
				jfc.setCurrentDirectory(new File(start));
			}
		}
        jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
        int retVal = jfc.showDialog(ReportGuiPackage.getInstance().getMainFrame(),
                JMeterUtils.getResString("report_select"));
		lastJFCDirectory = jfc.getCurrentDirectory().getAbsolutePath();

		if (retVal == JFileChooser.APPROVE_OPTION) {
			return jfc;
		} else {
			return null;
		}
	}

}
