content: package com.japisoft.editix.ui;
  
  import javax.swing.ButtonGroup;
  import javax.swing.JComboBox;
  import javax.swing.JMenu;
  import javax.swing.JRadioButtonMenuItem;
  
  import com.japisoft.editix.action.file.EncodingAction;
  import com.japisoft.framework.application.descriptor.helpers.MenuBuilderDelegate;
  import com.japisoft.framework.preferences.Preferences;
  import com.japisoft.framework.xml.Encoding;
  
  /**
  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 EncodingMenuBuilder implements MenuBuilderDelegate {
  
  	public void build( JMenu menu ) {
  		menu.setEnabled( true );
  		String[] encoding = Encoding.XML_ENCODINGS;
  		ButtonGroup bg = new ButtonGroup();
  		for ( int i = 0; i < encoding.length; i++ ) {
  			EncodingAction action = new EncodingAction( encoding[ i ] );
  			JRadioButtonMenuItem item = new JRadioButtonMenuItem( action );
  			if ( encoding[ i ].equals( 
  					Preferences.getPreference( "file", "rw-encoding", encoding )[ 0 ] ) )
  				item.setSelected( true );
  			bg.add( item );
  			menu.add( item );
  			if ( "DEFAULT".equals( item.getText() ) ) {
  				String currentEncoding = System.getProperty( "file.encoding" );
  				if ( currentEncoding == null )
  					currentEncoding = "unknown";
  				item.setText( "DEFAULT (" + currentEncoding + ")" );
  			}
  		}
  	}
  
  	public static JComboBox encodingComboBox() {
  		JComboBox combo = new JComboBox();
  		String[] encoding = Encoding.XML_ENCODINGS;
  		for ( int i = 0; i < encoding.length; i++ ) {
  			combo.addItem( encoding[ i ] );
  		}
  
  		String tmp = 
  			Preferences.getPreference( "file", "rw-encoding", encoding )[ 0 ];
  
  		if ( "DEFAULT".equals( tmp ) ) {
  			String currentEncoding = System.getProperty( "file.encoding" );
  			if ( currentEncoding == null )
  				currentEncoding = "unknown";
  			tmp = "DEFAULT (" + currentEncoding + ")"; 
  		}
  
  		combo.setSelectedItem( tmp );
  		return combo;
  	}
  
  }
  