/*
* 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 javax.swing.filechooser.FileFilter;
import org.apache.jmeter.gui.ReportGuiPackage;
import org.apache.jmeter.gui.JMeterFileFilter;
import org.apache.jmeter.util.JMeterUtils;
public final class ReportFileDialoger {
/**
* The last directory visited by the user while choosing Files.
*/
private static String lastJFCDirectory = null;
private static JFileChooser jfc = new JFileChooser();
/**
* Prevent instantiation of utility class.
*/
private ReportFileDialoger() {
}
/**
* Prompts the user to choose a file from their filesystems for our own
* devious uses. This method maintains the last directory the user visited
* before dismissing the dialog. This does NOT imply they actually chose a
* file from that directory, only that they closed the dialog there. It is
* the caller's responsibility to check to see if the selected file is
* non-null.
*
* @return the JFileChooser that interacted with the user, after they are
* finished using it (accept or otherwise).
*/
public static JFileChooser promptToOpenFile(String[] exts) {
// JFileChooser jfc = null;
if (lastJFCDirectory == null) {
String start = JMeterUtils.getPropDefault("user.dir", "");
if (!start.equals("")) {
jfc.setCurrentDirectory(new File(start));
}
}
clearFileFilters();
jfc.addChoosableFileFilter(new JMeterFileFilter(exts));
int retVal = jfc.showOpenDialog(ReportGuiPackage.getInstance().getMainFrame());
lastJFCDirectory = jfc.getCurrentDirectory().getAbsolutePath();
if (retVal == JFileChooser.APPROVE_OPTION) {
return jfc;
} else {
return null;
}
}
private static void clearFileFilters() {
FileFilter[] filters = jfc.getChoosableFileFilters();
for (int x = 0; x < filters.length; x++) {
jfc.removeChoosableFileFilter(filters[x]);
}
}
public static JFileChooser promptToOpenFile() {
return promptToOpenFile(new String[0]);
}
/**
* Prompts the user to choose a file from their filesystems for our own
* devious uses. This method maintains the last directory the user visited
* before dismissing the dialog. This does NOT imply they actually chose a
* file from that directory, only that they closed the dialog there. It is
* the caller's responsibility to check to see if the selected file is
* non-null.
*
* @return the JFileChooser that interacted with the user, after they are
* finished using it (accept or otherwise).
* @see #promptToOpenFile()
*/
public static JFileChooser promptToSaveFile(String filename) {
return promptToSaveFile(filename, null);
}
/**
* Get a JFileChooser with a new FileFilter.
*
* @param filename
* @param extensions
* @return JFileChooser
*/
public static JFileChooser promptToSaveFile(String filename, String[] extensions) {
if (lastJFCDirectory == null) {
String start = JMeterUtils.getPropDefault("user.dir", "");
if (!start.equals("")) {
jfc = new JFileChooser(new File(start));
}
lastJFCDirectory = jfc.getCurrentDirectory().getAbsolutePath();
}
String ext = ".jmx";
if (filename != null) {
jfc.setSelectedFile(new File(lastJFCDirectory, filename));
int i = -1;
if ((i = filename.lastIndexOf(".")) > -1) {
ext = filename.substring(i);
}
}
clearFileFilters();
if (extensions != null) {
jfc.addChoosableFileFilter(new JMeterFileFilter(extensions));
} else {
jfc.addChoosableFileFilter(new JMeterFileFilter(new String[] { ext }));
}
int retVal = jfc.showSaveDialog(ReportGuiPackage.getInstance().getMainFrame());
lastJFCDirectory = jfc.getCurrentDirectory().getAbsolutePath();
if (retVal == JFileChooser.APPROVE_OPTION) {
return jfc;
} else {
return null;
}
}
}