content: package com.japisoft.xmlpad.action.search;
  
  import com.japisoft.framework.collection.FastVector;
  import com.japisoft.framework.xml.parser.document.Document;
  import com.japisoft.framework.xml.parser.node.FPNode;
  import com.japisoft.xmlpad.action.XMLAction;
  
  /**
  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 SearchElement extends XMLAction {
  
  	public static final String ID = SearchElement.class.getName();
  	
  	public static final int NEXT_TAG = 0;
  	public static final int PREVIOUS_TAG = 1;
  	public static final int TAG_START = 2;
  	public static final int TAG_END = 3;
  	
  	private int type;
  
  	public SearchElement( int type ) {
  		this.type = type;
  	}
  
  	protected boolean autoRequestFocus() { return false; }
  
  	public boolean notifyAction() {
  		FPNode node = ( FPNode )container.getTree().getModel().getRoot();
  		if ( node == null )
  			return INVALID_ACTION;
  
  		FPNode current = container.getCurrentNode(); 
  		if ( current == null ) {
  			switch( type ) {
  				case PREVIOUS_TAG : return INVALID_ACTION;
  				case NEXT_TAG : 
  					highlightLine( node.getStartingLine() );
  					return VALID_ACTION;
  				case TAG_START :
  				case TAG_END : 
  					return INVALID_ACTION;
  			}
  		}
  
  		Document doc = node.getDocument();
  		FastVector v = doc.getFlatNodes();
  		int index = v.indexOf( current );
  
  		switch( type ) {
  			case PREVIOUS_TAG : 
  				if ( index > 0 ) {
  					FPNode n = ( FPNode )v.get( index - 1 );
  					highlightLine( n.getStartingLine() );
  					return VALID_ACTION;
  				} else
  					return INVALID_ACTION;
  			case NEXT_TAG : 
  				if ( index + 1 < v.size() ) {
  					FPNode n = ( FPNode )v.get( index + 1 );
  					highlightLine( n.getStartingLine() );
  					return VALID_ACTION;
  				} else
  					return INVALID_ACTION;
  			case TAG_START :
  				highlightLine( current.getStartingLine() );
  				return VALID_ACTION;
  			case TAG_END :
  				highlightLine( current.getStoppingLine() );
  				return VALID_ACTION;
  		}
  		return VALID_ACTION;		
  	}
  
  	private void highlightLine( int line ) {
  		container.getEditor().asynchronousHighlightLine( line );
  	}
  
  }
  