content: package com.japisoft.framework.xml.refactors.elements.xslt;
  
  import org.w3c.dom.Element;
  import org.w3c.dom.Node;
  
  import com.japisoft.framework.xml.parser.node.FPNode;
  import com.japisoft.framework.xml.refactor.elements.AbstractRefactor;
  import com.japisoft.framework.xml.refactor.elements.RefactorAction;
  import com.japisoft.framework.xml.refactor.ui.RefactorTable;
  
  /**
  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 VariableRefactor extends AbstractRefactor {
  	private static final String RENAME_ACTION = "(V1) RENAME TO (V2)";
  	private static final String DELETE_ACTION = "DELETE (V1)";
  
  	public static String[] ACTIONS = new String[] {
  		RENAME_ACTION,
  		DELETE_ACTION,
  	};
  
  	public VariableRefactor( ) {
  		super( Node.ELEMENT_NODE );
  	}
  
  	public String[] getActions() {
  		return ACTIONS;
  	}
  
  	public String getName() {
  		return "xslt Variable";
  	}
  
  	public boolean isDefault() {
  		return false;
  	}
  
  	boolean variableFound = false;
  	
  	protected Node refactorIt( Node node, RefactorAction ra ) {
  		if ( "variable".equals( node.getLocalName() ) ) {
  			Element e = ( Element )node;
  			if ( ra.matchOldValue( e.getAttribute( "name" ) ) ) {
  				variableFound = true;
  				if ( RENAME_ACTION.equals( ra.getAction() ) ) {
  					if ( !ra.isNewValueEmpty() )
  						e.setAttribute( "name", ra.getNewValue() );					
  				} else 
  				if ( DELETE_ACTION.equals( ra.getAction() ) ) {
  					return null;
  				}
  			}
  		} else {
  			if ( variableFound ) {
  				if ( "value-of".equals( node.getLocalName() ) || 
  					"variable".equals( node.getLocalName() ) ) {
  					Element e = ( Element )node;
  					String value = e.getAttribute( "select" );
  					if ( value != null ) {
  						String newValue = ( "$" + ra.getNewValue() );
  						if ( DELETE_ACTION.equals( ra.getAction() ) )
  							newValue = "";
  						value = value.replace( 
  								"$" + ra.getOldValue(), 
  								newValue );
  						e.setAttribute( "select", value );
  					}
  				}
  			}
  		}
  		return node;
  	}
  
  	public void stop() {
  		variableFound = false;
  	}
  
  	public void initTable(RefactorTable table, FPNode context) {
  		if ( context.matchContent( "variable" ) ) {
  			if ( context.hasAttribute( "name" ) )
  				table.init( 0, context.getAttribute( "name" ) );
  		}
  	}
  		
  }
  