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package de.lmu.ifi.dbs.elki.gui;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2015
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import java.awt.Toolkit;
import java.lang.reflect.Method;
import javax.swing.RepaintManager;
import javax.swing.UIManager;
import de.lmu.ifi.dbs.elki.logging.Logging;
/**
* GUI utilities.
*
* @author Erich Schubert
*/
public final class GUIUtil {
/**
* Enable thread repaint debugging.
*/
public static final boolean THREAD_REPAINT_DEBUG = false;
/**
* Whether to prefer the GTK look and feel on Unix.
*/
public static final boolean PREFER_GTK = true;
/**
* Fake constructor. Do not instantiate.
*/
private GUIUtil() {
// Static methods only - do not instantiate
}
/**
* Setup look at feel.
*/
public static void setLookAndFeel() {
// If enabled, setup thread debugging.
if(THREAD_REPAINT_DEBUG) {
try {
Class<?> cls = ClassLoader.getSystemClassLoader().loadClass("org.jdesktop.swinghelper.debug.CheckThreadViolationRepaintManager");
RepaintManager.setCurrentManager((RepaintManager) cls.newInstance());
}
catch(Exception e) {
// ignore
}
}
if(PREFER_GTK) {
try {
Toolkit toolkit = Toolkit.getDefaultToolkit();
// Note: we don't want to *require* these classes
// But if they exist, we're going to try using them.
Class<?> suntoolkit = Class.forName("sun.awt.SunToolkit");
Method testm = suntoolkit.getMethod("isNativeGTKAvailable");
if(suntoolkit.isInstance(toolkit) && (Boolean) testm.invoke(toolkit)) {
UIManager.setLookAndFeel("com.sun.java.swing.plaf.gtk.GTKLookAndFeel");
return;
}
}
catch(Exception e) {
// ignore
}
}
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch(Exception e) {
// ignore
}
}
/**
* Setup logging of uncaught exceptions.
*
* @param logger logger
*/
public static void logUncaughtExceptions(final Logging logger) {
try {
Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
@Override
public void uncaughtException(Thread t, Throwable e) {
logger.exception(e);
}
});
}
catch(SecurityException e) {
logger.warning("Could not set the Default Uncaught Exception Handler", e);
}
}
}
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