/*
* 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.action;
import java.awt.event.ActionEvent;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import java.util.prefs.Preferences;
import javax.swing.UIManager;
import org.apache.jmeter.gui.util.JMeterMenuBar;
import org.apache.jmeter.util.JMeterUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Implements the Look and Feel menu item.
*/
public class LookAndFeelCommand extends AbstractAction {
private static final Logger log = LoggerFactory.getLogger(LookAndFeelCommand.class);
private static final String JMETER_LAF = "jmeter.laf"; // $NON-NLS-1$
private static final Set<String> commands = new HashSet<>();
private static final Preferences PREFS = Preferences.userNodeForPackage(LookAndFeelCommand.class);
// Note: Windows user preferences are stored relative to: HKEY_CURRENT_USER\Software\JavaSoft\Prefs
/** Prefix for the user preference key */
private static final String USER_PREFS_KEY = "laf"; //$NON-NLS-1$
static {
UIManager.LookAndFeelInfo[] lfs = JMeterMenuBar.getAllLAFs();
for (UIManager.LookAndFeelInfo lf : lfs) {
commands.add(ActionNames.LAF_PREFIX + lf.getClassName());
}
if (log.isInfoEnabled()) {
final String jMeterLaf = getJMeterLaf();
List<String> names = new ArrayList<>();
for(UIManager.LookAndFeelInfo laf : lfs) {
if (laf.getClassName().equals(jMeterLaf)) {
names.add(laf.getName());
}
}
if (!names.isEmpty()) {
log.info("Using look and feel: {} {}", jMeterLaf, names);
} else {
log.info("Using look and feel: {}", jMeterLaf);
}
}
}
/**
* Get LookAndFeel classname from the following properties:
* <ul>
* <li>User preferences key: "laf"</li>
* <li>jmeter.laf.<os.name> - lowercased; spaces replaced by '_'</li>
* <li>jmeter.laf.<os.family> - lowercased.</li>
* <li>jmeter.laf</li>
* <li>UIManager.getCrossPlatformLookAndFeelClassName()</li>
* </ul>
* @return LAF classname
*/
public static String getJMeterLaf(){
String laf = PREFS.get(USER_PREFS_KEY, null);
if (laf != null) {
return checkLafName(laf);
}
String osName = System.getProperty("os.name") // $NON-NLS-1$
.toLowerCase(Locale.ENGLISH);
// Spaces are not allowed in property names read from files
laf = JMeterUtils.getProperty(JMETER_LAF+"."+osName.replace(' ', '_'));
if (laf != null) {
return checkLafName(laf);
}
String[] osFamily = osName.split("\\s"); // e.g. windows xp => windows
laf = JMeterUtils.getProperty(JMETER_LAF+"."+osFamily[0]);
if (laf != null) {
return checkLafName(laf);
}
laf = JMeterUtils.getProperty(JMETER_LAF);
if (laf != null) {
return checkLafName(laf);
}
return UIManager.getCrossPlatformLookAndFeelClassName();
}
// Check if LAF is a built-in one
private static String checkLafName(String laf){
if (JMeterMenuBar.SYSTEM_LAF.equalsIgnoreCase(laf)){
return UIManager.getSystemLookAndFeelClassName();
}
if (JMeterMenuBar.CROSS_PLATFORM_LAF.equalsIgnoreCase(laf)){
return UIManager.getCrossPlatformLookAndFeelClassName();
}
return laf;
}
public LookAndFeelCommand() {
}
@Override
public void doAction(ActionEvent ev) {
try {
String className = ev.getActionCommand().substring(ActionNames.LAF_PREFIX.length()).replace('/', '.');
UIManager.setLookAndFeel(className);
JMeterUtils.refreshUI();
PREFS.put(USER_PREFS_KEY, className);
} catch (javax.swing.UnsupportedLookAndFeelException | InstantiationException | ClassNotFoundException | IllegalAccessException e) {
JMeterUtils.reportErrorToUser("Look and Feel unavailable:" + e.toString());
}
}
@Override
public Set<String> getActionNames() {
return commands;
}
}