content: package com.japisoft.editix.document.schema;
  
  import java.util.Enumeration;
  import java.util.Iterator;
  
  import com.japisoft.framework.xml.parser.node.FPNode;
  import com.japisoft.framework.xml.parser.walker.NodeNameCriteria;
  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 SchemaSubstitionGroupHandler 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 ( container.getCurrentElementNode() == null )
  			return;
  
  		String currentElement = "element";
  		// Search for this element with all the name
  		TreeWalker tw = new TreeWalker( root );
  		Enumeration enume = tw.getNodeByCriteria(
  				new NodeNameCriteria( currentElement ), false );
  		if ( enume != null ) {
  
  			String prefix = "";
  
  			// Check for targetNameSpace
  			if ( root.hasAttribute( "targetNamespace" ) ) {
  				String namespace = root.getAttribute( "targetNamespace" );
  				Iterator<String> enum2 = root.getNameSpaceDeclaration();
  				// Search a prefix
  				if ( enum2 != null ) {
  					while ( enum2.hasNext() ) {
  						String p = ( String )enum2.next();
  						if ( namespace.equals( root.getNameSpaceDeclarationURI( p ) ) ) {
  							prefix = p + ":";
  							break;
  						}
  					}
  				}
  			}
  
  			while ( enume.hasMoreElements() ) {
  				FPNode n = ( FPNode )enume.nextElement();
  				if ( n.hasAttribute( "name" ) )
  					addDescriptor( new BasicDescriptor( prefix + n.getAttribute( "name" ) ) );
  			}
  		}
  	}
  
  	public boolean haveDescriptors(
  			FPNode currentNode,
  			XMLPadDocument document, 
  			boolean insertBefore, 
  			int offset,
  			String activatorString ) {
  		if ( activatorString == null ) {
  			return match(
  				document, 
  				offset, 
  				"", 
  				"substitutionGroup=\"" );
  		} else {
  			if  ( "\"".equals( activatorString ) ) {
  				return match(
  						document, 
  						offset, 
  						"", 
  						"substitutionGroup=" );
  			} else
  				return false;
  		}
  	}
  
  	public String getTitle() {
  		return "Subtitution group helper";
  	}
  
  	protected String getActivatorSequence() {
  		return null;
  	}	
  	
  	public int getPriority() {
  		return 1;
  	}		
  	
  }
  