content: package com.japisoft.editix.document.xslfo;
  
  import java.util.Enumeration;
  
  import com.japisoft.framework.xml.parser.node.FPNode;
  import com.japisoft.framework.xml.parser.walker.AttributeCriteria;
  import com.japisoft.framework.xml.parser.walker.TreeWalker;
  import com.japisoft.xmlpad.XMLContainer;
  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 FoInternalDestinationHandler extends AbstractHelperHandler {
  
  	protected void installDescriptors( 
  			FPNode currentNode,
  			XMLPadDocument document, 
  			int offset,
  			String addedString ) {	
  		XMLContainer container = document.getContainer();
  		if ( container == null )
  			return;
  		FPNode root = container.getRootNode();
  		if ( root == null )
  			return;
  		if ( addedString == null )
  			addedString = "";		
  		// Search for page master-name
  		TreeWalker tw = new TreeWalker( root );
  		Enumeration e = tw.getNodeByCriteria( new AttributeCriteria( "id" ), true );
  		while ( e.hasMoreElements() ) {
  			FPNode n = ( FPNode )e.nextElement();
  			String mr = n.getAttribute( "id" );
  			if ( mr != null ) {
  				addDescriptor(
  						new BasicDescriptor( 
  								addedString + 
  								mr + 
  								addedString ) );
  			}
  		}
  	}
  
  	protected String getActivatorSequence() {
  		return null;
  	}
  
  	public boolean haveDescriptors(
  			FPNode currentNode,
  			XMLPadDocument document, 
  			boolean insertBefore, 
  			int offset,
  			String activatorString ) {
  		if ( activatorString == null ) {
  			return match(
  				document, 
  				offset, 
  				"", 
  				"internal-destination=\"" );
  		} else {
  			if  ( "\"".equals( activatorString ) ) {
  				return match(
  						document, 
  						offset, 
  						"", 
  						"internal-destination=" );
  			} else
  				return false;
  		}
  	}
  
  	public String getTitle() {
  		return "Internal link";
  	}
  
  	public int getPriority() {
  		return 1;
  	}
  
  }
  