content: package com.japisoft.editix.document.dtd;
  
  import com.japisoft.framework.xml.parser.node.FPNode;
  import com.japisoft.xmlpad.editor.XMLPadDocument;
  import com.japisoft.xmlpad.helper.handler.AbstractHelperHandler;
  import com.japisoft.xmlpad.helper.model.BasicDescriptor;
  
  /**
  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 DTDElementHandler extends AbstractHelperHandler {
  
  	protected String getActivatorSequence() {
  		return null;
  	}
  	
  	protected void installDescriptors( 
  			FPNode currentNode,
  			XMLPadDocument document, 
  			int offset,
  			String addedString ) {	
  		
  		String start = "";
  		String stop = "";
  		
  		if ( "(".equals( addedString ) ) {
  			start = "(";
  			stop = ")";
  		} else
  		if ( ",".equals( addedString ) ) {
  			start = ",";
  		} else
  		if ( "|".equals( addedString ) ) 
  			start= "|";
  		
  		String[] elements = document.getElementsFromDTD();
  		addDescriptor( new BasicDescriptor( start + "#PCDATA" + stop ) );
  		if ( elements != null ) {
  			for ( int i = 0; i < elements.length; i++ ) {
  				addDescriptor(
  						new BasicDescriptor( start + elements[ i ] + " " + stop ) );
  			}
  		}
  	}	
  
  	public boolean haveDescriptors(FPNode currentNode,
  			XMLPadDocument document, boolean insertBefore, int offset,
  			String activatorString) {
  		
  		if ( activatorString == null ||
  				"(".equals( activatorString ) ||
  					",".equals( activatorString ) ||
  						"|".equals( activatorString ) ) {
  			
  			// Check if inside the DTD element defintion
  			if ( document.isInsideDTDElementDefinition( offset ) ) {
  				return true;
  			}
  
  		}
  		return false;
  	}
  
  	public String getTitle() {
  		return "Element content";
  	}
  
  }
  