content: package com.japisoft.xmlpad.action.edit;
  
  import javax.swing.JOptionPane;
  
  import com.japisoft.xmlpad.action.XMLActionForSelection;
  
  /**
  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 FastCommentUncommentAction extends XMLActionForSelection {
  
  	public static final String ID = FastCommentUncommentAction.class.getName();
  	
  	public boolean notifyAction() {
  		String selection = container.getEditor().getSelectedText();
  		try {
  		if ( selection != null ) {
  			String newContent = null;
  			if ( selection.startsWith( "<!--" ) 
  				&& selection.endsWith( "-->" ) ) {
  				newContent = selection.substring( 4, selection.length() - 3 );
  			} else {
  				if ( selection.indexOf( "<!--" ) > -1 ) {
  					JOptionPane.showMessageDialog( container.getView(), "You must remove the comment part before operating", "Error", JOptionPane.ERROR_MESSAGE );
  					return false;
  				} else
  					newContent = "<!--" + selection + "-->";
  			}
  			container.getEditor().replaceSelection( newContent );
  			return true;
  		} else
  			JOptionPane.showMessageDialog( container.getView(), "No selection found", "Error", JOptionPane.ERROR_MESSAGE );
  		} catch( Throwable th ) {
  			System.err.println( "Can't comment/uncomment" );
  		}
  		return false;
  	}
  	
  }
   
  