org.jboss.as.cli.gui.component.HelpButton Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
* Copyright 2012 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.as.cli.gui.component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.io.InputStream;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JEditorPane;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
/**
*
* @author Stan Silvert [email protected] (C) 2012 Red Hat Inc.
*/
public class HelpButton extends JButton {
private JScrollPane helpScroller;
public HelpButton(String helpFile) {
super("Help");
try {
readHelpFile(helpFile);
} catch (IOException e) {
JOptionPane.showMessageDialog(HelpButton.this, "Unable to read " + helpFile);
return;
}
addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JOptionPane helpPane = new JOptionPane(helpScroller, JOptionPane.PLAIN_MESSAGE, JOptionPane.DEFAULT_OPTION);
JDialog dialog = helpPane.createDialog(HelpButton.this, "Help");
dialog.setResizable(true);
dialog.setModal(false);
dialog.setSize(dialog.getHeight(), helpScroller.getWidth() + 10);
dialog.setVisible(true);
}
});
}
private void readHelpFile(String helpFile) throws IOException {
InputStream in = getClass().getResourceAsStream("/help/" + helpFile);
JEditorPane helpText = new JEditorPane();
helpText.read(in, null);
helpText.setEditable(false);
helpScroller = new JScrollPane(helpText);
}
}