/*
 * File    : LibraryManagerElement.java
 * Created : 17-jun-2002 18:04
 * By      : fbusquets
 *
 * JClic - Authoring and playing system for educational activities
 *
 * Copyright (C) 2000 - 2005 Francesc Busquets & Departament
 * d'Educacio de la Generalitat de Catalunya
 *
 * 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.
 *
 * 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 (see the LICENSE file).
 */

package edu.xtec.jclic.project;

import edu.xtec.util.Domable;
import edu.xtec.util.JDomUtility;
import edu.xtec.util.Options;

/**
 *
 * @author Francesc Busquets (fbusquets@xtec.cat)
 * @version 13.08.29
 */
public class LibraryManagerElement implements Domable{
    
    protected String name;
    protected String path;
    protected Options options;
    protected boolean exists;
    protected boolean editable;
    protected boolean isUrl;
    protected boolean systemLib;
    
    public static final String ELEMENT_NAME="library";
    public static final String NAME="name", PATH="path";
        
    public LibraryManagerElement(Options options){
        this.options=options;
        name=options.getMsg("UNNAMED");
        path=null;
        exists=false;
        editable=false;
        isUrl=false;
        systemLib=false;
    }
    
    public LibraryManagerElement(String name, String path, Options options){
        this.name=name;
        this.path=path;
        this.options=options;
        checkAttributes();
    }
    
    public static LibraryManagerElement getLibraryManagerElement(org.jdom.Element e, Options options) throws Exception{
        LibraryManagerElement lme=new LibraryManagerElement(options);
        lme.setProperties(e, null);
        return lme;
    }
    
    public void setProperties(org.jdom.Element e, Object aux) throws Exception{
        JDomUtility.checkName(e, ELEMENT_NAME);
        name=JDomUtility.getStringAttr(e, NAME, name, false);
        path=JDomUtility.getStringAttr(e, PATH, path, false);
        checkAttributes();
    }
    
    public org.jdom.Element getJDomElement(){
        org.jdom.Element e=new org.jdom.Element(ELEMENT_NAME);
        e.setAttribute(NAME, name);
        e.setAttribute(PATH, path);
        return e;
    }
    
    public javax.swing.Icon getIcon(){
        String base="icons/database";
        
        if(exists){
            if(!editable)
                base=base+"_locked";        
        }
        else
            base=base+"_unavailable";
        
        return edu.xtec.util.ResourceManager.getImageIcon(base+".gif");
    }
    
    protected void checkAttributes(){
        exists=false;
        editable=false;
        isUrl=false;
        if(path!=null){
            if(path.startsWith("http:") || path.startsWith("https:")){
                isUrl=true;
                try{
                    java.net.URL url=new java.net.URL(path.replace(" ", "%20"));
                    java.net.URLConnection con=url.openConnection();                    
                    exists=(con!=null);
                } catch(Exception ex){
                    //
                }
            }
            else{
                java.io.File file=new java.io.File(path);
                exists=file.exists() && !file.isDirectory() && file.canRead();
                if(exists)
                    editable=file.canWrite();
            }
        }
    }
    
    public void setSystemLib(boolean setting){
        systemLib=setting;
    }
    
    public boolean isSystemLib(){
        return systemLib;
    }
    
    @Override
    public String toString(){
        return name;
    }
    
}