/**
 *#########################################################################
 *
 * A component of the Gatherer application, part of the Greenstone digital
 * library suite from the New Zealand Digital Library Project at th * University of Waikato, New Zealand.
 *
 * <BR><BR>
 *
 * Author: John Thompson, Greenstone Digital Library, University of Waikato
 *
 * <BR><BR>
 *
 * Copyright (C) 1999 New Zealand Digital Library Project
 *
 * <BR><BR>
 *
 * 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 2 of the License, or
 * (at your option) any later version.
 *
 * <BR><BR>
 *
 * 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.
 *
 * <BR><BR>
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *############################################## ##########################
 */

package org.greenstone.gatherer.gems;

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
import javax.swing.event.*;
import org.greenstone.gatherer.cdm.*;
import org.greenstone.gatherer.Configuration;
import org.greenstone.gatherer.DebugStream;
import org.greenstone.gatherer.Dictionary;
import org.greenstone.gatherer.gui.GLIButton;
import org.w3c.dom.*;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;

import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.w3c.dom.Document;
import org.w3c.dom.DOMException;

/** This class manages the language commands, remembering both a list of languages to build indexes in, plus the default language.
 * @author John Thompson, Greenstone Digital Library, University of Waikato
 * @version 2.3
 * Created on October 27, 2004, 3:31 PM
 * Modified 1/02/05 by Matthew Whyte
 */
 public class GEMSLanguageManager {
     private Document document;
     private DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
     private Vector languageCodes;
     private Vector languageCodesAndNames;
     public GEMSLanguageManager(String languagexml_location) {
	 
	 this.languageCodes = new Vector();
	 this.languageCodesAndNames = new Vector();

	 try {
	     
	     File f = new File(languagexml_location);
	     
	     DocumentBuilder builder = factory.newDocumentBuilder();
	     document = builder.parse(f);
	     org.w3c.dom.Element docelement = document.getDocumentElement();
	     
	     //get all language nodes
	     NodeList mynodelist = docelement.getChildNodes();
	     
	     //get a single language text
	     //System.out.println(mynodelist.item(1).getChildNodes().item(0).getNodeValue()); //debug
	     
	     for(int j = 1; j < mynodelist.getLength(); j++){
		 
		 //read text value for the element
		 NodeList childnodesofelement = mynodelist.item(j).getChildNodes();
		 NamedNodeMap nnm = mynodelist.item(j).getAttributes();
		 
		 if(childnodesofelement.getLength() == 1)
		     {
			 String code = nnm.item(0).getNodeValue();
			 String name = nnm.item(4).getNodeValue();
			 String name_value = childnodesofelement.item(0).getNodeValue();
			 //language_box.addItem(code.toLowerCase());
			 this.languageCodes.add(code.toLowerCase());
			 this.languageCodesAndNames.add(name.toLowerCase() + "               \t(" + code.toLowerCase() + ")");
		     } //end if
	     }//end for
	 } //end try
	 catch(SAXException sxe) {
	     System.out.println("sxe exception\n");
	 }
	 catch(ParserConfigurationException pce) {
             System.out.println("pce exception\n");
	 }
	 catch(IOException ioe){
	     System.out.println("ioe exception\n");
	 }
	 
	 //end create dom object for language_box
	 
     }
     public Vector getLanguageCodesAndNames() {
	 return languageCodesAndNames;
     }

     public Vector getLanguageCodes() { 
	 return languageCodes;
     }
     public Object[] getLanguageCodesToArray() { 
	 return languageCodes.toArray();
     }
     public String getEnabledLanguageCodes() {
	 String enabled_languages =  Configuration.getString("Gems.Preferences.Selected_Languages", true);
	 return enabled_languages;   
     }
     public String[] getEnabledLanguageCodesToArray() {
	 String enabled_languages =  Configuration.getString("Gems.Preferences.Selected_Languages", true); 
	 String [] enabled_languages_split = enabled_languages.split(",");
	 // String [] trimmed_enabled_lang_split = null;
	 
	 //  for(int p = 0; p < enabled_languages_split.length; p++) {
	 //trimmed_enabled_lang_split[p] = enabled_languages_split[p].trim(); 
	 //  System.out.println("gemslang: trimm: " + trimmed_enabled_lang_split[p] + " orig: "+ enabled_languages_split[p].trim());
	 // }//for p < enabled lang split
	 
	 return enabled_languages_split;
     }  
 }