content: package com.japisoft.editix.ui;
  
  import java.awt.BorderLayout;
  import java.awt.Dimension;
  import java.awt.Toolkit;
  import java.awt.event.ActionEvent;
  import java.awt.event.ActionListener;
  
  import javax.swing.JButton;
  import javax.swing.JCheckBox;
  import javax.swing.JDialog;
  import javax.swing.JLabel;
  import javax.swing.JPanel;
  
  import com.japisoft.framework.preferences.Preferences;
  
  /**
  This program is available under two licenses : 
  
  1. For non commercial usage : 
  
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU 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 General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  2. For commercial usage :
  
  You need to get a commercial license for source usage at : 
  
  http://www.editix.com/buy.html
  
  Copyright (c) 2018 Alexandre Brillant - JAPISOFT SARL - http://www.japisoft.com
  
  @author Alexandre Brillant - abrillant@japisoft.com
  @author JAPISOFT SARL - http://www.japisoft.com
  
  */
  public class InformationDialog extends JDialog implements ActionListener {
  	
  	JButton btn;
  	JCheckBox cb;
  	String systemKey;
  
  	public InformationDialog( JLabel content, String systemKey ) {
  		super( EditixFrame.THIS );
  		this.systemKey = systemKey;
  		setModal( true );
  		setDefaultLookAndFeelDecorated( false );
  		setTitle( "Information" );
  		getContentPane().add( content );
  		
  		JPanel panel2 = new JPanel();
  		panel2.setLayout( new BorderLayout() );
  		cb = new JCheckBox( "Show this dialog the next time", true );
  		btn = new JButton( "OK" );
  		panel2.add( BorderLayout.WEST, cb );
  		panel2.add( BorderLayout.EAST, btn );
  		
  		getContentPane().add( BorderLayout.SOUTH, panel2 );
  		
  		pack();
  		setSize( getWidth() + 20, getHeight() + 20 );
  		Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
  		setLocation( 
  				( dim.width - getWidth() ) / 2, 
  				( dim.height - getHeight() ) / 2 );
  	}
  
  	public void setVisible( boolean state ) {
  		super.setVisible( state );
  	}
  	
  	public void addNotify() {
  		super.addNotify();
  		btn.addActionListener( this );
  		cb.addActionListener( this );
  	}
  	
  	public void removeNotify() {
  		super.removeNotify();
  		btn.removeActionListener( this );
  		cb.removeActionListener( this );
  	}
  
  	public void actionPerformed( ActionEvent e ) {
  		if ( e.getSource() == btn )
  			setVisible( false );
  		else {
  			Preferences.setRawPreference( "system", systemKey, new Boolean( cb.isSelected() ) );
  			// Preferences.setRawPreference( "system", "taskdialog" + message, new Boolean( cb.isSelected() ) );
  		}
  	}
  }
  