content: package com.japisoft.editix.document.xslt;
  
  import com.japisoft.framework.xml.parser.node.FPNode;
  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 VariableParamNameHandler extends AbstractHelperHandler {
  
  	protected void installDescriptors( 
  			FPNode currentNode,
  			XMLPadDocument document, 
  			int offset,
  			String addedString ) {	
  		XMLContainer container = document.getContainer();
  		if ( container == null )
  			return;
  
  		if ( addedString == null )
  			addedString = "";
  		
  		currentNode = container.getCurrentElementNode();
  		if ( currentNode != null )
  			orderedSearch( 
  					addedString, 
  					currentNode.getFPParent(), 
  					currentNode );
  	}
  
  	private void orderedSearch( String addedString, FPNode parentNode, FPNode endChild ) {
  		if ( parentNode != null ) {
  			for ( int i = 0; i < parentNode.childCount(); i++ ) {
  				FPNode child = parentNode.childAt( i );
  				
  				if ( child == endChild ) {
  					orderedSearch( addedString, parentNode.getFPParent(), parentNode );
  					break;
  				}
  				
  				if ( child.matchContent( "variable" ) ||
  						child.matchContent( "param" ) ) {
  					
  					if ( child.hasAttribute( "name" ) )
  						addDescriptor( 
  								new BasicDescriptor(
  										addedString +
  										child.getAttribute( "name" ) ) );
  					
  				}
  			}
  		}
  	}
  
  	protected String getActivatorSequence() {
  		return "$";
  	}
  
  	public boolean haveDescriptors(FPNode currentNode,
  			XMLPadDocument document, boolean insertBefore, int offset,
  			String activatorString) {
  		if ( "$".equals( activatorString ) ) {
  			return document.isInsideAttributeValue( offset );
  		} 
  		return false;
  	}
  
  	public String getTitle() {
  		return "variables or params";
  	}
  
  }
  