package ui.xml;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;

import javax.swing.JPanel;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

@SuppressWarnings("serial")
public class OnyxGridBag extends JPanel {
	
	// XML
	private String filename;
	private Document document;
	boolean compress = false;
	
	// SWING
	private int nbrMaxTD;
	private int nbrTD;

	
	public OnyxGridBag(String filename) {
		this.filename = filename;
		
		GridBagLayout gbMain = new GridBagLayout ();
		GridBagConstraints cMain = new GridBagConstraints ();
		this.setLayout(gbMain);
		
		// Nombre maximum de colonnes
		// C'est le nombre de <td> maximum trouv&#65533; dans une <tr> du fichier xml
		openXML ();
		
		nbrMaxTD = getTR (document.getDocumentElement(), 0);
		System.out.println (nbrMaxTD);
	}


	
	
	
	/*
	 * Tous ce qui concerne la manipulation du fichier xml... 
	 */
	
	// renvoie le nombre maximum de TD trouv&#65533; dans un des TR 
	private int getTR (Node parent, int nbrTDs) {
		int nbrMaxTD = 0;
		NodeList trNodeList = parent.getChildNodes();
		for (int i=0; i<trNodeList.getLength(); i++) {
			if (trNodeList.item(i).getNodeName().compareToIgnoreCase("tr")==0){
				int nbrTD = getTD (trNodeList.item(i), nbrTDs);
				if (nbrMaxTD<nbrTD)
					nbrMaxTD = nbrTD;
				System.out.println ("</tr>"+nbrMaxTD);
			}
		}
		return nbrMaxTD;
	}
	
	// renvoie le nombre de TD trouv&#65533; dans un TR
	private int getTD (Node parent, int nbrTD) {
		boolean haveTable = false;
		NodeList tdNodeList = parent.getChildNodes();
		for (int i=0; i<tdNodeList.getLength(); i++){
			if (tdNodeList.item(i).getNodeName().compareToIgnoreCase("td")==0){
				Node current = tdNodeList.item(i);
				for (int j=0; j<current.getChildNodes().getLength(); j++){
					if (current.getChildNodes().item(j).getNodeName().compareToIgnoreCase("table")==0){
						nbrTD = getTR (current.getChildNodes().item(j), nbrTD);
						haveTable = true;						
					}
				}
				if (haveTable)
					haveTable = false;
				else
					nbrTD++;
				System.out.println ("<td> "+nbrTD+"\t"+tdNodeList.item(i).getFirstChild().getNodeValue());
			}
		}
		
		return nbrTD; 
	}
	
	private void openXML () {
		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
		
        DocumentBuilder builder = null;
		try {
			builder = factory.newDocumentBuilder();
		} catch (ParserConfigurationException e) {
			e.printStackTrace();
		}

		try {
			document = builder.parse(new File (filename));
		} catch (SAXException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}