com.mgmtp.perfload.loadprofiles.ui.util.SwingUtils Maven / Gradle / Ivy
/*
* Copyright (c) 2013 mgm technology partners GmbH
*
* Licensed 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 com.mgmtp.perfload.loadprofiles.ui.util;
import java.awt.Font;
import java.awt.event.KeyEvent;
import java.io.File;
import java.util.Enumeration;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.KeyStroke;
import javax.swing.UIDefaults.ProxyLazyValue;
import javax.swing.UIManager;
import javax.swing.filechooser.FileFilter;
import javax.swing.plaf.FontUIResource;
import org.apache.commons.io.FilenameUtils;
/**
* Swing utility methods.
*
* @author rnaegele
*/
public class SwingUtils {
/**
* Registers the enter key a {@link JButton}.
*
* @param button
* The button
*/
public static void enterPressesWhenFocused(final JButton button) {
button.registerKeyboardAction(button.getActionForKeyStroke(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0, false)),
KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, false), JComponent.WHEN_FOCUSED);
button.registerKeyboardAction(button.getActionForKeyStroke(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0, true)),
KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, true), JComponent.WHEN_FOCUSED);
}
/**
* Sets the default UI font style.
*
* @param fontStyle
* The font style
* @see Font See Font Javadoc for possible styles
*/
public static void setUIFontStyle(final int fontStyle) {
for (Enumeration> en = UIManager.getDefaults().keys(); en.hasMoreElements();) {
Object key = en.nextElement();
Object value = UIManager.get(key);
if (value instanceof FontUIResource) {
FontUIResource fontRes = (FontUIResource) value;
UIManager.put(key, new ProxyLazyValue("javax.swing.plaf.FontUIResource", null, new Object[] { fontRes.getName(),
fontStyle, fontRes.getSize() }));
}
}
}
public static JFileChooser createFileChooser(final File dir, final String description, final String extension) {
JFileChooser fc = new JFileChooser(dir);
fc.setFileSelectionMode(JFileChooser.FILES_ONLY);
fc.setMultiSelectionEnabled(false);
fc.setAcceptAllFileFilterUsed(false);
fc.addChoosableFileFilter(new FileFilter() {
@Override
public String getDescription() {
return description;
}
@Override
public boolean accept(final File f) {
return f.isDirectory() || FilenameUtils.isExtension(f.getName(), extension);
}
});
return fc;
}
}