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Web Automation for Java

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package com.ui4j.ide.action;

import static javax.swing.JOptionPane.showMessageDialog;

import java.awt.Component;
import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.ImageIcon;
import javax.swing.JOptionPane;

public class AboutAction extends AbstractAction {

	private static final long serialVersionUID = 1322685050838533853L;

	private Component parent;

	public AboutAction(Component parent) {
		this.parent = parent;

		putValue(NAME, "About");
		putValue(SMALL_ICON, new ImageIcon(getClass().getResource("/com/ui4j/ide/icon/small/help.png")));
		putValue(MNEMONIC_KEY, "A".codePointAt(0));
	}

	@Override
	public void actionPerformed(ActionEvent e) {
		String version = getClass().getPackage().getImplementationVersion();
		String about = "Ui4j IDE";
		if (version != null && !version.trim().isEmpty()) {
			about += System.lineSeparator() + "Version: " + version; 
		}
		showMessageDialog(parent, about, "About", JOptionPane.INFORMATION_MESSAGE);
	}
}