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 FOFlowNameHandler 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 );
  		FPNode node = tw.getFirstTagNodeByName( "layout-master-set", false );
  		if ( node != null ) {
  			tw = new TreeWalker( node );
  			Enumeration e = tw.getNodeByCriteria( 
  					new AttributeCriteria( "region-name" ), true );
  			while ( e.hasMoreElements() ) {
  				FPNode n = ( FPNode )e.nextElement();
  				String mr = n.getAttribute( "region-name" );
  				if ( mr != null ) {
  					addDescriptor(
  							new BasicDescriptor( 
  									addedString + 
  									mr + 
  									addedString ) );
  				}
  			}
  
  			String[] s = new String[] {
  					"xsl-region-body", 
  					"xsl-region-before",
  					"xsl-region-after", 
  					"xsl-region-start", 
  					"xsl-region-end", 
  					"xsl-before-float-separator", 
  					"xsl-footnote-separator"			
  			};
  
  			for ( int i = 0; i < s.length; i++ ) {
  				// Add default cases
  				addDescriptor( new BasicDescriptor( 
  										addedString + 
  										s[ i ] + 
  										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, 
  				"", 
  				"flow-name=\"" );
  		} else {
  			if  ( "\"".equals( activatorString ) ) {
  				return match(
  						document, 
  						offset, 
  						"", 
  						"flow-name=" );
  			} else
  				return false;
  		}
  	}
  
  	public String getTitle() {
  		return "Flow Name";
  	}
  
  	public int getPriority() {
  		return 1;
  	}
  
  }
  