/*
 * Mind.java
 * 
 * @author asko.soukka@iki.fi
 * @version 0.1
 * 
 * Copyright (c) 2002 Asko Soukka
 * GZigZag is written by Tuomas Lukka
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * See the LICENSE.lgpl for the specific terms of the license.
 *
 * This library 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
 * Library General Public License for more details.
 */
/*
 * Written by Asko Soukka and Tuukka Hastrup
 */

package org.gzigzag.module;
import org.gzigzag.*;
import java.util.*;
import java.io.*;
import java.awt.*;

/** Mindmap tools from Asko Soukka for mainly hierarcical structures
 */

public class Mind  {
public static final String rcsid = "$Id: Mind.java,v 1.1.2.2 2002/02/16 15:46:58 tuukkah Exp $";
    public static boolean dbg = false;
    static final void p(String s) { if(dbg) ZZLogger.log(s); }
    static final void pa(String s) { ZZLogger.log(s); }
    
    static public ZZModule module = new ZZModule() {
	public ZOb newZOb(String id) {
		if(id.equals("Sundew"))
		    return new MindSundew();
		else if(id.equals("Sun"))
		    return new MindSun();
		return null;
	}

	public void action(String id, ZZCell code, 
			   ZZCell target,
			   ZZView v, ZZView cv, 
			   String key, Point pt, 
			   ZZScene xi) {
	try {
		
	    ZZCell viewCell = v.getViewcell();
	    ZZCell viewCursor = ZZCursorReal.get(viewCell); 
	    
	    if(id.equals("TextOut")) {
		FileWriter fileout = new FileWriter(target.getText() + ".txt");
		BufferedWriter writer = new BufferedWriter(fileout);
		
		writer.write(target.getText()+"\n");
		
		if (target.s("d.1", 1) != null) {
		    writer.write("\n");
		    printTextTree("d.2", "d.1", target.s("d.1", 1), writer, 
				  1, 10);
		    writer.write("\n");
		}
		
		writer.close();
	    } else if(id.equals("HtmlOut")) {
		FileWriter fileout = new FileWriter(target.getText()+".html");
		BufferedWriter writer = new BufferedWriter(fileout);
		
		writer.write("<html>\n");
		writer.write("<head><title>\n");
		writer.write(target.getText()+"\n");
		writer.write("</title></head>\n");
		writer.write("<body>\n");
		
		writer.write("<h1>" + target.getText() + "</h1>\n");
		
		if (target.s("d.1", 1) != null) {
		    writer.write("\n");
		    printHtmlTree("d.2", "d.1", "d.clone", target.s("d.1", 1), 
				  writer, 1, 10, 2);
		    writer.write("\n");
		}
		
		writer.write("</body>\n");
		writer.write("</html>\n");
		writer.close();
	    } else {
		pa("UNKNOWN Mind COMMAND "+id);	    
	    }
	} catch(Exception e) {
	    e.printStackTrace();
	    throw new ZZError(""+e);
	}
	}
    
    };
    private static void printTextTree(String dim, String dimTop, ZZCell accursed, 
			   BufferedWriter writer, int start, int end) {
	
	Vector cells = getAllCells(dim, accursed);
	int i = 0;
	try {
	    
	    while (i < cells.size()) {
		if (!((ZZCell)cells.elementAt(i)).getText().equals("")) {
		    writer.write(/*"<li>"+*/((ZZCell)cells.elementAt(i)).getText()+"\n");
		}
		if (((ZZCell)cells.elementAt(i)).s(dimTop, 1) != null) {
		    for (int j=0; j<start; j++)	writer.write("-"); writer.write("\n");
		    if(start < end) printTextTree(dim, dimTop, ((ZZCell)cells.elementAt(i)).s(dimTop, 1), writer,
					      start + 1, end);
		    writer.write("\n");
		}
		i++;
	    }
	} catch (IOException iOE) {}
    }

    private static void printHtmlTree(String dim, String dimTop, String dimLink, 
			       ZZCell accursed, BufferedWriter writer,
			       int start, int end, int topics) {

	Vector cells = getAllCells(dim, accursed);
	int i = 0;
	try {
	    if (start > topics)	writer.write("<ul>\n");
	    while (i < cells.size()) {
		if (!((ZZCell)cells.elementAt(i)).getText().equals("")) {
		    if (start > topics) {
			writer.write("<li>");
			if (((ZZCell)cells.elementAt(i)).s(dimLink, -1) == null) {
			    if (((ZZCell)cells.elementAt(i)).s(dimLink, 1) != null) 
				writer.write("<a name=\""+((ZZCell)cells.elementAt(i)).getText()+"\"></a>");
			    writer.write(((ZZCell)cells.elementAt(i)).getText());
			} else {
			    writer.write("<a href=\"#"+((ZZCell)cells.elementAt(i)).getText()+"\">");
			    writer.write(((ZZCell)cells.elementAt(i)).getText()+"</a>");
			}
			writer.write("\n");
		    }	else {
			writer.write("<h"+start+">");
			if (((ZZCell)cells.elementAt(i)).s(dimLink, -1) == null) {
			    if (((ZZCell)cells.elementAt(i)).s(dimLink, 1) != null) 
				writer.write("<a name=\""+((ZZCell)cells.elementAt(i)).getText()+"\"></a>");
			    writer.write(((ZZCell)cells.elementAt(i)).getText());
			} else {
			    writer.write("<a href=\"#"+((ZZCell)cells.elementAt(i)).getText()+"\">");
			    writer.write(((ZZCell)cells.elementAt(i)).getText()+"</a>");
			}
			writer.write("</h"+start+">\n");
		    }
		}
		if (((ZZCell)cells.elementAt(i)).s(dimTop, 1) != null) {
		    writer.write("\n");
		    if(start < end) printHtmlTree(dim, dimTop, dimLink, ((ZZCell)cells.elementAt(i)).s(dimTop, 1), writer,
					      start + 1, end, topics);
		    writer.write("\n");
		}
		i++;
	    }
	    if (start > topics)	writer.write("</ul>\n");
	} catch (IOException iOE) {}
    }


    
    private static Vector getAllCells(String dim, ZZCell accursed) {
	int LIMIT = 1000;
	Vector cells = new Vector();
	ZZCell next = null;
	
	cells.addElement(accursed);
	
	int i = 1;
	while (cells.size() < LIMIT ) {
	    next = accursed.s(dim, i++);
	    if(next != null && !cells.contains(next)) cells.addElement(next);
	    else break;
	} 	
	return cells;
    }
}