package cat;

/**
 * @author  Roger Olivella
 * @version 1.0
 *
 * Development Environment        :  Eclipse

 * Name of the Application        :  Interfase2.java
 * Creation/Modification History  :
 *
 *    Roger O.                27/03/2006 Created, a partir de Interfase.java, que es va 
 *    						  crear amb el JBuilder (durant el 2005). El canvi ve imposat a l'hora de 
 *                            migrar a Eclipse i utilitzar, per modificar el SWING, el 
 *                            mòdul JILGOO. 
 *    Roger O.                Modified: 
 *
 */

import java.awt.BorderLayout;

import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.imageio.ImageIO;
import javax.swing.BorderFactory;
import javax.swing.ComboBoxModel;
import javax.swing.DefaultComboBoxModel;

import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.border.BevelBorder;
import javax.swing.border.LineBorder;
import javax.swing.ImageIcon;

import java.awt.Color;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Properties;
import java.awt.image.BufferedImage;

/**
* This code was edited or generated using CloudGarden's Jigloo
* SWT/Swing GUI Builder, which is free for non-commercial
* use. If Jigloo is being used commercially (ie, by a corporation,
* company or business for any purpose whatever) then you
* should purchase a license for each developer using Jigloo.
* Please visit www.cloudgarden.com for details.
* Use of Jigloo implies acceptance of these licensing terms.
* A COMMERCIAL LICENSE HAS NOT BEEN PURCHASED FOR
* THIS MACHINE, SO JIGLOO OR THIS CODE CANNOT BE USED
* LEGALLY FOR ANY CORPORATE OR COMMERCIAL PURPOSE.
*/

public class Interfase2 extends javax.swing.JApplet {

	private JPanel jPanelBase;
	private JLabel jLabelTitle;
	private JTextField jTextFieldTeuNom;
	private JLabel jLabelTeuNom;
	private JButton jButtonHelp;
	private JPanel jPanelWorld;
	private JTextField jTextFieldBackColor;
	private JTextField jTextFieldCharColor;
	private JButton jButtonExit;
	private JLabel jLabelInterval2;
	private JLabel jLabelCharType;
	private JLabel jLabelInterval;
	private JButton jButtonSave;
	private JButton jButtonGO;
	private JButton jButtonBack;
	private JLabel jLabelBackColor;
	private JButton jButtonColors;
	private JLabel jLabelCharColor;
	private JTextField jTextFieldCharSize;
	private JLabel jLabelCharSize;
	private JComboBox jComboBoxCharType;
	private JTextField jTextFieldScale;
	private JLabel JLabelScale;
	private JComboBox jComboBoxIter;
	private JLabel jLabelIter;
	private JPanel jPanel11;
	private JPanel jPanel10;
	private JPanel jPanel1;
	private JPanel jPanel9;
	private JPanel jPanel8;
	private JPanel jPanel7;
	private JPanel jPanel6;
	private JPanel jPanel5;
	private JPanel jPanel4;
	private JPanel jPanel3;
	private JPanel jPanel2;
	private JScrollPane jScrollPane1;
	private JPanel jPanelTitle;
	
	JDialog popupWorking = new JDialog();
	JOptionPane infoMsg=new JOptionPane();
	private JComboBox jComboBoxCharSize=new JComboBox();
	
	Kernel objKernel;
	ArrayList arrayNiteracio = new ArrayList();
	ArrayList arrayResultatLectura = new ArrayList();
	String strResultat = "";
	String txtAxioma="";
	String RewritingRule="";
	String strOutputDir="";
	Color colorLletra;
	Color colorFons;
	boolean flagSaveError=false;
	int maxBufiSize=3700;//Ha de venir d'un fitxer properties
	boolean isOutOfMEmory=false;
	
	
	//Dades numèriques: 
	//A mà, he calculat que el nombre de rectes a cada costat per cas de 
	final int numRectes1iter=6;//6 rectes per la 1a iteració
	final int numRectes2iter=26;//26 rectes per la 2a iteració
	final int numRectes3iter=106;//106 rectes per la 3a iteració
	final int numRectes4iter=400;//A ull
	final int numRectes5iter=800;//A ull
	//Per què aquest "6" recurrent?
	
	int contadorFinestresDimsExcedides=0;
	int contadorClicksDibuixa=0;
	
	boolean dibuixoDesdeComboIter=false;
	boolean esMesGranQue4=false;
	
	BufferedImage finalBufi=null;
	
	String dirToSave="";
	boolean flagErrorProperties=false;
	
	
	/**
	* Auto-generated main method to display this 
	* JApplet inside a new JFrame.
	*/
	public static void main(String[] args) {
		JFrame frame = new JFrame();
		Interfase2 inst = new Interfase2();
		frame.getContentPane().add(inst);
		((JComponent)frame.getContentPane()).setPreferredSize(inst.getSize());
		frame.pack();
		frame.setVisible(true);
	}
	
	public Interfase2() {
		super();
		initGUI();
		kernelRun();
	}
	
	private void initGUI() {
		try {
			{
				jPanelBase = new JPanel();
				BorderLayout jPanelBaseLayout = new BorderLayout();
				getContentPane().add(jPanelBase);
				jPanelBase.setPreferredSize(new java.awt.Dimension(800, 600));
				jPanelBase.setLayout(jPanelBaseLayout);
				{
					jPanelTitle = new JPanel();
					jPanelBase.add(jPanelTitle, BorderLayout.NORTH);
					FlowLayout jPanelTitleLayout = new FlowLayout();
					jPanelTitle.setLayout(jPanelTitleLayout);
					jPanelTitle.setPreferredSize(new java.awt.Dimension(800, 50));
					jPanelTitle.setBackground(new java.awt.Color(0,201,87));
					{
						jLabelTitle = new JLabel();
						jPanelTitle.add(jLabelTitle);
						jLabelTitle.setText("insula smaragdina");
						jLabelTitle.setPreferredSize(new java.awt.Dimension(716, 31));
						jLabelTitle.setFont(new java.awt.Font("SansSerif",0,22));
						jLabelTitle.setHorizontalTextPosition(SwingConstants.CENTER);
						jLabelTitle.setHorizontalAlignment(SwingConstants.CENTER);
					}
				}
				{
					jScrollPane1 = new JScrollPane();
					jPanelBase.add(jScrollPane1, BorderLayout.CENTER);
					jScrollPane1.setBackground(new java.awt.Color(0,0,0));
					jScrollPane1.setPreferredSize(new java.awt.Dimension(600, 551));
					{
						jPanelWorld = new JPanel();
						jScrollPane1.setViewportView(jPanelWorld);
						jPanelWorld.setBackground(new java.awt.Color(0,0,0));
					}
				}
				{
					jPanel1 = new JPanel();
					jPanelBase.add(jPanel1, BorderLayout.WEST);
					GridLayout jPanel1Layout = new GridLayout(10, 1);
					jPanel1Layout.setHgap(5);
					jPanel1Layout.setVgap(5);
					jPanel1Layout.setColumns(1);
					jPanel1Layout.setRows(10);
					jPanel1.setLayout(jPanel1Layout);
					jPanel1.setPreferredSize(new java.awt.Dimension(199, 550));
					jPanel1.setBackground(new java.awt.Color(0, 201, 87));
					{
						jPanel2 = new JPanel();
						jPanel1.add(jPanel2);
						jPanel2.setBackground(new java.awt.Color(0,201,87));
						jPanel2.setBorder(BorderFactory.createEtchedBorder(BevelBorder.LOWERED));
						{
							jLabelIter = new JLabel();
							jPanel2.add(jLabelIter);
							jLabelIter.setText("Complexitat");
							jLabelIter.setPreferredSize(new java.awt.Dimension(93, 14));
							jLabelIter.setFont(new java.awt.Font("Arial",1,14));
							jLabelIter.setToolTipText("Nombre d'iteracions del fractal");
						}
						{
							ComboBoxModel jComboBoxIterModel = new DefaultComboBoxModel(
								new String[] { " 0", " 1"," 2"," 3"," 4"," >4"});
							jComboBoxIter = new JComboBox();
							jPanel2.add(jComboBoxIter);
							jComboBoxIter.setModel(jComboBoxIterModel);
							jComboBoxIter.setPreferredSize(new java.awt.Dimension(51, 21));
							jComboBoxIter.setLightWeightPopupEnabled(false);
							jComboBoxIter.setFont(new java.awt.Font("Arial",1,14));
							jComboBoxIter.setSelectedIndex(0);
							jComboBoxIter.addItemListener(new ItemListener() {
								public void itemStateChanged(ItemEvent evt) {
									jComboBoxIterItemStateChanged(evt);
								}
							});
						}
					}
					{
						jPanel3 = new JPanel();
						jPanel1.add(jPanel3);
						jPanel3.setBackground(new java.awt.Color(0,201,87));
						jPanel3.setBorder(BorderFactory.createEtchedBorder(BevelBorder.LOWERED));
						{
							JLabelScale = new JLabel();
							jPanel3.add(JLabelScale);
							JLabelScale.setText("Mida");
							JLabelScale.setFont(new java.awt.Font("Arial",1,14));
							JLabelScale.setPreferredSize(new java.awt.Dimension(41, 17));
							JLabelScale.setToolTipText("Mida del poema en conjunt");
						}
						{
							jTextFieldScale = new JTextField();
							jPanel3.add(jTextFieldScale);
							jTextFieldScale.setText("50");
							jTextFieldScale.setPreferredSize(new java.awt.Dimension(29, 23));
							jTextFieldScale.setFont(new java.awt.Font("Arial",1,14));
						}
						{
							jLabelInterval = new JLabel();
							jPanel3.add(jLabelInterval);
							jLabelInterval.setText("(1 - 77)");
							jLabelInterval.setFont(new java.awt.Font("Arial",1,14));
							jLabelInterval.setToolTipText("Interval vàlid");
						}
					}
					{
						jPanel5 = new JPanel();
						jPanel1.add(jPanel5);
						jPanel5.setBackground(new java.awt.Color(0,201,87));
						jPanel5.setBorder(BorderFactory.createEtchedBorder(BevelBorder.LOWERED));
						jPanel5.setPreferredSize(new java.awt.Dimension(164, 60));
						{
							jLabelCharType = new JLabel();
							jPanel5.add(jLabelCharType);
							jLabelCharType.setText("Lletra");
							jLabelCharType.setFont(new java.awt.Font("Arial",1,14));
							jLabelCharType.setPreferredSize(new java.awt.Dimension(45, 17));
							jLabelCharType.setToolTipText("Nom del tipus de lletra");
						}
						{
							ComboBoxModel jComboBoxCharTypeModel = new DefaultComboBoxModel(
								new String[] {"Serif", "Sans Serif","Monospaced"});
							jComboBoxCharType = new JComboBox();
							jPanel5.add(jComboBoxCharType);
							jComboBoxCharType.setModel(jComboBoxCharTypeModel);
							jComboBoxCharType.setFont(new java.awt.Font(
								"Arial",
								1,
								14));
							jComboBoxCharType.setBounds(-42, 5, 114, 18);
							jComboBoxCharType.setPreferredSize(new java.awt.Dimension(124, 22));
							jComboBoxCharType.setSelectedIndex(1);
							jComboBoxCharType
								.addItemListener(new ItemListener() {
								public void itemStateChanged(ItemEvent evt) {
									jComboBoxCharTypeItemStateChanged(evt);
								}
								});
						}
					}
					{
						jPanel6 = new JPanel();
						jPanel1.add(jPanel6);
						jPanel6.setBackground(new java.awt.Color(0,201,87));
						jPanel6.setBorder(BorderFactory.createEtchedBorder(BevelBorder.LOWERED));
						{
							jLabelCharSize = new JLabel();
							jPanel6.add(jLabelCharSize);
							jLabelCharSize.setText("Mida lletra ");
							jLabelCharSize.setFont(new java.awt.Font("Arial",1,14));
							jLabelCharSize.setToolTipText("Mida de cada lletra");
							jLabelCharSize.setPreferredSize(new java.awt.Dimension(84, 17));
						}
						{
							jTextFieldCharSize = new JTextField();
							jPanel6.add(jTextFieldCharSize);
							jTextFieldCharSize.setText("10");
							jTextFieldCharSize.setFont(new java.awt.Font("Arial",1,14));
							jTextFieldCharSize.setPreferredSize(new java.awt.Dimension(29, 23));
						}
						{
							jLabelInterval2 = new JLabel();
							jPanel6.add(jLabelInterval2);
							jLabelInterval2.setText("(1 - 30)");
							jLabelInterval2.setFont(new java.awt.Font("SansSerif",1,14));
							jLabelInterval2.setToolTipText("Interval vàlid");
						}
					}
					{
						jPanel7 = new JPanel();
						jPanel1.add(jPanel7);
						jPanel7.setBackground(new java.awt.Color(0,201,87));
						jPanel7.setBorder(BorderFactory.createEtchedBorder(BevelBorder.LOWERED));
						{
							jLabelCharColor = new JLabel();
							jPanel7.add(jLabelCharColor);
							jLabelCharColor.setText("Color lletres");
							jLabelCharColor.setFont(new java.awt.Font("SansSerif",1,14));
							jLabelCharColor.setToolTipText("Color de totes les lletres");
						}
						{
							jTextFieldCharColor = new JTextField();
							jPanel7.add(jTextFieldCharColor);
							jTextFieldCharColor
								.setPreferredSize(new java.awt.Dimension(15, 20));
							jTextFieldCharColor
								.setBackground(new java.awt.Color(0, 0, 0));
							jTextFieldCharColor.setToolTipText("Color de cada lletra");
							jTextFieldCharColor.setEnabled(false);
							jTextFieldCharColor.setBorder(new LineBorder(new java.awt.Color(0,0,0), 1, false));
						}
						{
							jButtonColors = new JButton();
							jPanel7.add(jButtonColors);
							jButtonColors.setText("Click!");
							jButtonColors.setToolTipText("Click aquí per canviar el color de la lletra");
							jButtonColors.addMouseListener(new MouseAdapter() {
								public void mouseClicked(MouseEvent evt) {
									jButtonColorsMouseClicked(evt);
								}
							});
						}
					}
					{
						jPanel8 = new JPanel();
						jPanel1.add(jPanel8);
						jPanel8.setBackground(new java.awt.Color(0,201,87));
						jPanel8.setBorder(BorderFactory.createEtchedBorder(BevelBorder.LOWERED));
						{
							jLabelBackColor = new JLabel();
							jPanel8.add(jLabelBackColor);
							jLabelBackColor.setText("Color fons");
							jLabelBackColor.setFont(new java.awt.Font("SansSerif",1,14));
							jLabelBackColor.setToolTipText("Color del fons");
						}
						{
							jTextFieldBackColor = new JTextField();
							jPanel8.add(jTextFieldBackColor);
							jTextFieldBackColor
								.setPreferredSize(new java.awt.Dimension(15, 20));
							jTextFieldBackColor.setToolTipText("Color del fons");
							jTextFieldBackColor.setEnabled(false);
							jTextFieldBackColor.setBorder(new LineBorder(new java.awt.Color(0,0,0), 1, false));
						}
						{
							jButtonBack = new JButton();
							jPanel8.add(jButtonBack);
							jButtonBack.setText("Click!");
							jButtonBack.setToolTipText("Click aquí per canviar el color del fons");
							jButtonBack.addMouseListener(new MouseAdapter() {
								public void mouseClicked(MouseEvent evt) {
									jButtonBackMouseClicked(evt);
								}
							});
						}
					}
					{
						jPanel9 = new JPanel();
						jPanel1.add(jPanel9);
						jPanel9.setBackground(new java.awt.Color(0,201,87));
						{
							jButtonGO = new JButton();
							jPanel9.add(jButtonGO);
							jButtonGO.setText("CREA POEMA!");
							jButtonGO.setSize(164, 50);
							jButtonGO.setPreferredSize(new java.awt.Dimension(
								166,
								41));
							jButtonGO.setFont(new java.awt.Font(
								"SansSerif",
								1,
								14));
							jButtonGO
								.setToolTipText("Click aquí per dibuixar la teva versió del poema");
							jButtonGO.addMouseListener(new MouseAdapter() {
								public void mouseClicked(MouseEvent evt) {
									jButtonGOMouseClicked(evt);
								}
							});
						}
					}
					{
						jPanel10 = new JPanel();
						jPanel1.add(jPanel10);
						jPanel10.setBackground(new java.awt.Color(0,201,87));
						{
							jLabelTeuNom = new JLabel();
							jPanel10.add(jLabelTeuNom);
							jLabelTeuNom.setText("El teu nom:");
							jLabelTeuNom.setFont(new java.awt.Font(
								"SansSerif",
								1,
								14));
						}
						{
							jTextFieldTeuNom = new JTextField();
							jPanel10.add(jTextFieldTeuNom);
							jTextFieldTeuNom
								.setPreferredSize(new java.awt.Dimension(82, 24));
						}
					}
					{
						jPanel11 = new JPanel();
						jPanel1.add(jPanel11);
						jPanel11.setBackground(new java.awt.Color(0,201,87));
						{
							jButtonSave = new JButton();
							jPanel11.add(jButtonSave);
							jButtonSave.setText("Guardar poema");
							jButtonSave
								.setToolTipText("Click aquí per guardar el poema al disc dur");
							jButtonSave.setFont(new java.awt.Font(
								"SansSerif",
								1,
								12));
							jButtonSave.addMouseListener(new MouseAdapter() {
								public void mouseClicked(MouseEvent evt) {
									jButtonSaveMouseClicked(evt);
								}
							});
						}
					}
					{
						jPanel4 = new JPanel();
						jPanel1.add(jPanel4);
						jPanel4.setBackground(new java.awt.Color(0,201,87));
						{
							jButtonHelp = new JButton();
							jPanel4.add(jButtonHelp);
							jButtonHelp.setText("Ajuda");
							jButtonHelp.setFont(new java.awt.Font("SansSerif",1,14));
							jButtonHelp.setPreferredSize(new java.awt.Dimension(86, 22));
							jButtonHelp.addMouseListener(new MouseAdapter() {
								public void mouseClicked(MouseEvent evt) {
									jButtonHelpMouseClicked(evt);
								}
							});
						}
						{
							jButtonExit = new JButton();
							jPanel4.add(jButtonExit);
							jButtonExit.setText("Tancar");
							jButtonExit.setFont(new java.awt.Font(
								"SansSerif",
								1,
								14));
							jButtonExit
								.setPreferredSize(new java.awt.Dimension(86, 22));
							jButtonExit.addMouseListener(new MouseAdapter() {
								public void mouseClicked(MouseEvent evt) {
									jButtonExitMouseClicked(evt);
								}
							});
						}
					}
				}
			}
			jComboBoxCharSize.addItem("10");
			jComboBoxCharSize.addItem("20");
			jComboBoxCharSize.addItem("30");
			jComboBoxCharSize.addItemListener(new ItemListener() {
				public void itemStateChanged(ItemEvent evt) {
					jComboBoxCharSizeItemStateChanged(evt);
				}
			});
			
			//Carrega el size de l'interfase: 
			Properties properties = new Properties();		
			try {
		        properties.load(new FileInputStream("dir.properties"));
		        dirToSave=properties.getProperty("dir");
		    } catch (IOException ioe) {
		      ioe.printStackTrace();
		      flagErrorProperties=true;
		    }
		    
		    //int appletWidth=Integer.parseInt(properties.getProperty("appletWidth"));
		    //int appletHeight=Integer.parseInt(properties.getProperty("appletHeight"));
				
		    //this.setSize(appletWidth,appletHeight);
		    
			getContentPane().setBackground(new java.awt.Color(0,201,87));

		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	private void jButtonColorsMouseClicked(MouseEvent evt) {
		Color initialColor = Color.black;
		//how the dialog; this method does not return until the dialog is closed
		colorLletra = JColorChooser.showDialog(jPanelBase, "Color de les lletres", initialColor);	
		jTextFieldCharColor.setBackground(colorLletra);
	}
	
	private void jButtonBackMouseClicked(MouseEvent evt) {
		Color initialColor = Color.white;
		//how the dialog; this method does not return until the dialog is closed
		colorFons = JColorChooser.showDialog(jPanelBase, "Color de fons", initialColor);	
		jTextFieldBackColor.setBackground(colorFons);
	}
	
	private void jButtonGOMouseClicked(MouseEvent evt) {
		kernelRun();
	}
	
	//Mètode que prepara i executa el Kernel
	private void kernelRun(){

		contadorClicksDibuixa++;
		
		if (jComboBoxIter.getSelectedItem().toString().trim().equals(">4")) esMesGranQue4=true;
		
		if(!esMesGranQue4){
			int strMidaLletra=0;
			double dEscala=0;
			String strTipusLletra=jComboBoxCharType.getSelectedItem().toString();
			int numIteracio=Integer.parseInt(jComboBoxIter.getSelectedItem().toString().trim());
		    int iAltura=0;
		    int iAmple=0;
		    double centreX=0;
		    double centreY=0;
			RewritingRule="F+F-F-FF+F+F-F";
		    txtAxioma="F+F+F+F";
		    boolean isEscalaErr=false;
		    boolean isMidaLletraErr=false;
		    
		    //Fixo els valors inicial per les iteracions 3, 4 i 5. S'ha de fer aqui.
		    if(numIteracio==3 & dibuixoDesdeComboIter){
	   	    	strMidaLletra=6;
		    	dEscala=10;
		    	jTextFieldScale.setText(new Integer(new Double(dEscala).intValue()).toString());
		    	jTextFieldCharSize.setText(new Integer(strMidaLletra).toString());
		    } else if(numIteracio==4 & dibuixoDesdeComboIter){
	   	    	strMidaLletra=2;
		    	dEscala=6;
		    	jTextFieldScale.setText(new Integer(new Double(dEscala).intValue()).toString());
		    	jTextFieldCharSize.setText(new Integer(strMidaLletra).toString());	    	
		    } else if(numIteracio==5 & dibuixoDesdeComboIter){
	   	    	strMidaLletra=1;
		    	dEscala=1;
		    	jTextFieldScale.setText(new Integer(new Double(dEscala).intValue()).toString());
		    	jTextFieldCharSize.setText(new Integer(strMidaLletra).toString());	    	
		    }
				
		    /***************************************/
			/***************Validacions*************/
		    /***************************************/
	    	//Escala global:
		    //1-No hi ha cap lletra
		    try {
	    		dEscala=Double.parseDouble(jTextFieldScale.getText());
	    	} catch (NumberFormatException nfe){
	    		isEscalaErr=true;
	    	}
	    	//2-Està en l'interval correcte:
	    	if(numIteracio==1 & (dEscala<1 | dEscala>200)) { 
	    		isEscalaErr=true;
	    		infoMsg.showMessageDialog(null,"Si us plau, introdueix un nombre entre 1 i 200 on posa \"Mida\".","Error d\'interval!",JOptionPane.ERROR_MESSAGE);
	    	}
	    	if(numIteracio==2 & (dEscala<1 | dEscala>100)) { 
	    		isEscalaErr=true;
	    		infoMsg.showMessageDialog(null,"Si us plau, introdueix un nombre entre 1 i 100 on posa \"Mida\".","Error d\'interval!",JOptionPane.ERROR_MESSAGE);
	    	}
	    	if(numIteracio==3 & (dEscala<1 | dEscala>33)) { 
	    		isEscalaErr=true;
	    		infoMsg.showMessageDialog(null,"Si us plau, introdueix un nombre entre 1 i 33 on posa \"Mida\".","Error d\'interval!",JOptionPane.ERROR_MESSAGE);
	    	}
	    	if(numIteracio==4 & (dEscala<1 | dEscala>8)) { 
	    		isEscalaErr=true;
	    		infoMsg.showMessageDialog(null,"Si us plau, introdueix un nombre entre 1 i 8 on posa \"Mida\".","Error d\'interval!",JOptionPane.ERROR_MESSAGE);
	    	}
	    	
	    	//Mida lletra: 
		    //1-No hi ha cap lletra 
	    	try {
	    		strMidaLletra=Integer.parseInt(jTextFieldCharSize.getText());
	    	} catch (NumberFormatException nfe){
	    		isMidaLletraErr=true;
	    	}
	    	//2-Està en l'interval correcte:
	    	if((numIteracio==1 | numIteracio==2 | numIteracio==3 | numIteracio==4) & (strMidaLletra<1 | strMidaLletra>40)) {
	        	isMidaLletraErr=true;    		
	        	infoMsg.showMessageDialog(null,"Si us plau, introdueix un nombre entre 1 i 40 on posa \"Mida lletra\"","Error d\'interval!",JOptionPane.ERROR_MESSAGE);    		
	    	}
		    /***************************************/
			/***********Fi validacions**************/
		    /***************************************/
	   	 
	    	if(!isEscalaErr & !isMidaLletraErr){//Si no hi ha errors, GO ON!
	    	    //Càlcul de l'altura, ample i centres en funció de la mida de cada segment recte: 
	    	    if(numIteracio==0){//Iteració 0
	    	    	jLabelInterval2.setVisible(false);//Trec el label del interval de la mida de lletra
	    	    	jTextFieldCharSize.setVisible(false);//Trec el Text Box
	    	    	jPanel6.add(jComboBoxCharSize);
	    	    	jComboBoxCharSize.setVisible(true);
	    	    	strMidaLletra=Integer.parseInt(jComboBoxCharSize.getSelectedItem().toString());
	    	    	if(strMidaLletra==10){    		
	    		    	iAmple=315;
	    		    	iAltura=50;
	    		  	  	centreX=15;
	    		    	centreY=20;
	    	    	} else if(strMidaLletra==20){
	    		    	iAmple=580;
	    		    	iAltura=80;
	    		  	  	centreX=15;
	    		    	centreY=35;
	    	    	} else if(strMidaLletra==30){
	    		    	iAmple=870;
	    		    	iAltura=120;
	    		  	  	centreX=15;
	    		    	centreY=45;	    		
	    	    	}
	    	    	//Modificacions de l'interfície: 
	    	    	jButtonBack.setVisible(true);
	    	    	jButtonColors.setVisible(true);
	    	    	jPanel3.setVisible(false);
	    	    	jButtonGO.setVisible(true);
	    	    	jPanel5.setVisible(false);
	    	    } else if (numIteracio==1){//Iteració 1
	    	    	int marge=60;
	    	    	if(dibuixoDesdeComboIter){
	        	    	strMidaLletra=10;
	        	    	dEscala=50;
	        	    	jTextFieldScale.setText(new Integer(new Double(dEscala).intValue()).toString());
	        	    	jTextFieldCharSize.setText(new Integer(strMidaLletra).toString());
	    	    	}
	    	    	iAmple=(int)(numRectes1iter*dEscala+marge);
	    	    	centreX=dEscala+marge/2;
	    	    	iAltura=iAmple;
	    	    	centreY=centreX;
	    	    	//Modificacions de l'interfície: 
	    	    	jButtonBack.setVisible(true);
	    	    	jButtonColors.setVisible(true);
	    	    	jPanel3.setVisible(true);
	    	    	jLabelInterval2.setVisible(true);
	    	    	jTextFieldCharSize.setVisible(true);
	    	    	jComboBoxCharSize.setVisible(false);
	    	    	jButtonGO.setVisible(true);
	    	    	jPanel5.setVisible(true);
	    	    	jLabelInterval.setText("1 a 200");
	    	    	jLabelInterval2.setText("1 a 40");
	    	    	
	    	    } else if (numIteracio==2){//Iteració 2
	    	    	int marge=60;
	    	    	if(dibuixoDesdeComboIter){
	        	    	strMidaLletra=10;
	        	    	dEscala=50;
	        	    	jTextFieldScale.setText(new Integer(new Double(dEscala).intValue()).toString());
	        	    	jTextFieldCharSize.setText(new Integer(strMidaLletra).toString());
	    	    	}
	    	    	iAmple=(int)(numRectes2iter*dEscala+marge);
	    	    	centreX=5*dEscala+marge/2;
	    	    	iAltura=iAmple;
	    	    	centreY=centreX;
	    	    	//Modificacions de l'interfície: 
	    	    	jButtonBack.setVisible(true);
	    	    	jButtonColors.setVisible(true);
	    	    	jPanel3.setVisible(true);
	    	    	jLabelInterval2.setVisible(true);
	    	    	jTextFieldCharSize.setVisible(true);
	    	    	jComboBoxCharSize.setVisible(false);
	    	    	jButtonGO.setVisible(true);
	    	    	jPanel5.setVisible(true);
	    	    	jLabelInterval.setText("1 a 100");
	    	    	jLabelInterval2.setText("1 a 40");
	    	    } else if (numIteracio==3){//Iteració 3
	    	    	int marge=120;
	    	    	if(dibuixoDesdeComboIter){
	        	    	strMidaLletra=6;
	        	    	dEscala=10;
	        	    	jTextFieldScale.setText(new Integer(new Double(dEscala).intValue()).toString());
	        	    	jTextFieldCharSize.setText(new Integer(strMidaLletra).toString());
	    	    	}
	    	    	iAmple=(int)(numRectes3iter*dEscala+marge);
	    	    	if (iAmple>maxBufiSize) {
	    	    		iAmple=maxBufiSize;
	    	        	infoMsg.showMessageDialog(null,"S'ha excedit la mida màxima.\nA continuació es refarà a la màxima mida permesa.","Mida màxima excedida",JOptionPane.INFORMATION_MESSAGE);    		
	    	    	}
	    	    	centreX=22*dEscala+marge/2;
	    	    	iAltura=iAmple;
	    	    	centreY=centreX;
	    	    	//Modificacions de l'interfície: 
	    	    	jButtonBack.setVisible(false);
	    	    	jButtonColors.setVisible(false);
	    	    	jPanel3.setVisible(true);
	    	    	jLabelInterval2.setVisible(true);
	    	    	jTextFieldCharSize.setVisible(true);
	    	    	jComboBoxCharSize.setVisible(false);
	    	    	jPanel5.setVisible(true);
	    	    	jButtonGO.setVisible(true);
	    			jTextFieldBackColor.setBackground(Color.WHITE);
	    			jTextFieldCharColor.setBackground(Color.BLACK);   
	    	    	jLabelInterval.setText("1 a 33");
	    	    	jLabelInterval2.setText("1 a 40");
	    	    } else if (numIteracio==4){//Iteració 4
	    	    	int marge=240;
	    	    	if(dibuixoDesdeComboIter){
	        	    	strMidaLletra=2;
	        	    	dEscala=6;
	        	    	jTextFieldScale.setText(new Integer(new Double(dEscala).intValue()).toString());
	        	    	jTextFieldCharSize.setText(new Integer(strMidaLletra).toString());
	    	    	}
	    	    	iAmple=(int)(numRectes4iter*dEscala+marge);
	    	    	if (iAmple>maxBufiSize) {
	    	    		iAmple=maxBufiSize;
	    	        	infoMsg.showMessageDialog(null,"S'ha excedit la mida màxima del poema.\nA continuació es refarà a la màxima mida permesa.","Mida màxima excedida",JOptionPane.INFORMATION_MESSAGE);    		
	    	    	}
	    	    	centreX=70*dEscala+marge/2;
	    	    	iAltura=iAmple;
	    	    	centreY=centreX;
	    	    	//Modificacions de l'interfície: 
	    	    	jButtonBack.setVisible(false);
	    	    	jButtonColors.setVisible(false);
	    	    	jPanel3.setVisible(true);
	    	    	jLabelInterval2.setVisible(true);
	    	    	jTextFieldCharSize.setVisible(true);
	    	    	jComboBoxCharSize.setVisible(false);
	    	    	jPanel5.setVisible(true);
	    	    	jButtonGO.setVisible(true);
	    			jTextFieldBackColor.setBackground(Color.WHITE);
	    			jTextFieldCharColor.setBackground(Color.BLACK);   
	    	    	jLabelInterval.setText("1 a 8");
	    	    	jLabelInterval2.setText("1 a 40");
	    	    } else if (numIteracio==5){//Iteració 5
	    	    	int marge=400;
	    	    	if(dibuixoDesdeComboIter){
	        	    	strMidaLletra=2;
	        	    	dEscala=2;
	        	    	jTextFieldScale.setText(new Integer(new Double(dEscala).intValue()).toString());
	        	    	jTextFieldCharSize.setText(new Integer(strMidaLletra).toString());
	    	    	}
	    	    	iAmple=maxBufiSize;
	    	    	centreX=300*dEscala+marge/2;
	    	    	iAltura=iAmple;
	    	    	centreY=centreX;
	    	    	//Modificacions de l'interfície: 
	    	    	jButtonBack.setVisible(false);
	    	    	jButtonColors.setVisible(false);
	    	    	jPanel3.setVisible(false);
	    	    	jPanel6.setVisible(false);
	    	    	jPanel5.setVisible(false);
	    			jTextFieldBackColor.setBackground(Color.WHITE);
	    			jTextFieldCharColor.setBackground(Color.BLACK); 
	    			jButtonGO.setVisible(false);
	    	    }
	        
	    	    objKernel=new Kernel(centreX,centreY,iAltura,iAmple,strOutputDir,strTipusLletra,strMidaLletra,jTextFieldCharColor.getBackground(),jTextFieldBackColor.getBackground(),numIteracio);
	    	    
	    	    arrayNiteracio.clear();//neteja array d'iteracions
	    	    arrayNiteracio.add(txtAxioma);//Axioma = arrayNiteracio(0), per definició.
	 
	    	    /*********************************/
	    	    /********Execució del Kernel******/
	    	    /*********************************/
			    //SUBSTITUEIX
			    if(numIteracio==0){
			    	objKernel.dibuixaIter0();
			    } else { 	
		        	if(numIteracio>=3){ 
		        		showPopup("Un moment, si us plau.","Creant el poema...",new Dimension(200,100),new Point(300,300));
		        	}
				    for (int i = 0; i < numIteracio ; i++) {
					      strResultat = objKernel.substitueix(RewritingRule,arrayNiteracio.get(i).toString(), "F");
					      arrayNiteracio.add(i + 1, strResultat);
					    }	    	
			    }
		
			    //LLEGEIX
			    if(numIteracio!=0) objKernel.llegeix(strResultat);
			    		    
			    //DIBUIXA
			    if(numIteracio!=0) objKernel.gestionaDibuix(dEscala);		    
	    	    /************************************/
	    	    /********Fi execució del Kernel******/
	    	    /************************************/
		    			    
	    	    //Presenta la imatge al panell WORLD
			    finalBufi=objKernel.getBufferedImage();
		        jPanelWorld.removeAll();
		        jPanelWorld.repaint();//Reload el panell
		        jScrollPane1.setVisible(true);
		        JLabel showImage = new JLabel(new ImageIcon(finalBufi));
		        jPanelWorld.add(showImage, null);
		        jPanelBase.validate();
		        jPanelWorld.validate(); 
		         	    
		        //Es tanca els popup de creant poema
	    	    if(numIteracio>=3) popupWorking.setVisible(false);  
	    	    
		        //Popup si s'excedeix mida visor: 
		        if(finalBufi.getWidth()>598 & finalBufi.getHeight()>547 & (contadorFinestresDimsExcedides==0 | contadorClicksDibuixa%10==0)){
		         	contadorFinestresDimsExcedides++;
		        	infoMsg.showMessageDialog(null,"El poema ha excedit la mida del visor. Per veure'l en la seva extensió, \nutilitza les barres de desplaçamanet horitzontals i verticals.","El poema excedeix la mida del visor",JOptionPane.INFORMATION_MESSAGE);    		
		        }
	   	    
	    	    //S'inicialitza la variable: 
	    	    dibuixoDesdeComboIter=false;
	    	}			
		} else {
			infoMsg.showMessageDialog(null," Teòricament és possible generar el poema\n fins l'infinit. Degut però a les limitacions\n d\'aquest programa, no es permet represen-\n tar poemes més enllà de la quarta iteració.","Iteració més gran que 4...",JOptionPane.INFORMATION_MESSAGE);
        	esMesGranQue4=false;
		}
	}
	
	private void jButtonSaveMouseClicked(MouseEvent evt) {
		//Carrega el directòri on es guardarà el PNG: 
		/*Properties properties = new Properties();
		String dirToSave="";
		boolean flagErrorProperties=false;
	    try {
	    	//El properties s'ha d'ubicar 
	        properties.load(new FileInputStream("dir.properties"));
	        dirToSave=properties.getProperty("dir");
	    } catch (IOException ioe) {
	      ioe.printStackTrace();
	      flagErrorProperties=true;
	    }*/		
	    
	    //Recupera el nom de l'usuàri: 
	    String elTeuNom=jTextFieldTeuNom.getText().trim();
	    
	    if(elTeuNom.equals("")){
	    	infoMsg.showMessageDialog(null,"Si us plau, abans de guardar posa el teu nom a la casella de dalt.","Falta el nom",JOptionPane.INFORMATION_MESSAGE);
	    } else {
			//Extreu la data d'avui amb precissió, per afegir-la al nom final del poema
			SimpleDateFormat sdf = new SimpleDateFormat("-ddMMyyyy-hhmmss");
		    String now=sdf.format(new Date());
		    
	        String fileToSave=dirToSave+"poema-"+elTeuNom+now+".png";
	        try {
	        	FileOutputStream fop = new FileOutputStream(fileToSave);
	        	showPopup("Guardant el poema al disc dur...","Guardant el poema...",new Dimension(200,100),new Point(300,300));
	        	ImageIO.write(objKernel.getBufferedImage(),"png",fop);
	        	popupWorking.setVisible(false);
	        } catch (IOException ioe){
	        	flagSaveError=true;
	            ioe.printStackTrace();
	        }
	        //Popup final: 
	        if(!flagSaveError & !flagErrorProperties){
	        	infoMsg.showMessageDialog(null,"Ubicació i nom de l'arxiu: \n\n"+fileToSave,"Poema guardat correctament!",JOptionPane.INFORMATION_MESSAGE);
	        } else if (flagSaveError){
	        	infoMsg.showMessageDialog(null,"Si us plau, revisa el directori on es guardarà la imatge i torna-ho a provar.","Error!",JOptionPane.ERROR_MESSAGE);
	        } else if (flagErrorProperties){
	        	infoMsg.showMessageDialog(null,"No es troba dir.properties.\n\nPath: "+dirToSave+".","Error!",JOptionPane.ERROR_MESSAGE);
	        }    	    	
	    }
	   
	    //Es crea i configura el JFileChooser
	    /*JFileChooser fileChooser=new JFileChooser(".");
	    fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);//nomes es poden escollir dirs
	    fileChooser.setDialogTitle("Escull un directòri per guardar el teu poema");
	    watch(fileChooser);//Deshabilita el camp "File name" del JFileChooser
	    int status=fileChooser.showSaveDialog(null);*/
	    
	    /*if(status==JFileChooser.APPROVE_OPTION){
	        File selectedFile=fileChooser.getSelectedFile();
	        //Deploy (vigilar path en WINDOWS! => doble contrabarra o \\): 
	        //String dirToSave=selectedFile.getParent()+"/"+selectedFile.getName()+"/";
	        //Local: 
	        String dirToSave="/home/rolivella/Desktop/";
	        String fileToSave=dirToSave+"poema-insula"+now+".png";
	        try {
	        	FileOutputStream fop = new FileOutputStream(fileToSave);
	        	showPopup("Guardant el poema al disc dur...","Guardant el poema...",new Dimension(200,100),new Point(300,300));
	        	ImageIO.write(objKernel.getBufferedImage(),"png",fop);
	        	popupWorking.setVisible(false);
	        } catch (IOException ioe){
	        	flagSaveError=true;
	            ioe.printStackTrace();
	        }
	        //Popup final: 
	        if(flagSaveError==false){
	        	infoMsg.showMessageDialog(null,"Ubicació i nom de l'arxiu: \n\n"+fileToSave,"Poema guardat correctament!",JOptionPane.INFORMATION_MESSAGE);
	        } else if (flagSaveError==true){
	        	infoMsg.showMessageDialog(null,"Si us plau, revisi el directori on guardarà la imatge i torni-ho a provar.","Error!",JOptionPane.ERROR_MESSAGE);
	        }    
	    }*/
	}
	
   /**
   * Deshabilita automaticament el camp JTextField del JFileChooser. S'ha de fer aixi doncs
   * el camp esta encapsulat dins del JFileChooser i no hi ha cap metode per accedir-hi.
   * Extret del Java Forums (Swing), programat per Anton Nashatyrev (28/01/2004)
   * @param c Instancia del component JFileChooser
   */
    static void watch(Container c) {
        int n = c.getComponentCount();
        for (int i = 0; i < n; i++) {
            Component ch = c.getComponent(i);
            if (ch instanceof Container) {
                Container child = (Container) ch;
                if (child instanceof JTextField) {
                    child.setEnabled(false);
                } else {
                    watch(child);
                }
            }
        }
    }

    
    /**
     * Mostra un popup. És configuraSELECTEDble.
     * @param popupBodyMessage String Body del popup
     * @param popupTitle String Titol
     * @param popupSize Dimension Mida del popup
     * @param popupLocation Point Localitzacio
     */
     /*public void showPopup(String popupBodyMessage,String popupTitle,Dimension popupSize,Point popupLocation,boolean isScrolling){
      
      //Àrea de text: 
      JTextArea popupTA=new JTextArea();
      popupTA.repaint();
      popupTA.setBackground(Color.WHITE);
      popupTA.setFont(new Font("Sans Serif", Font.PLAIN, 15));
      popupTA.setText(popupBodyMessage);
      popupTA.setEditable(false);
      popupTA.setCaretPosition(0);//cursor al principi de l'àrea
      //Fi àrea text
      
      if(!isScrolling){
    	  JPanel popupPanel=new JPanel();
    	  popupPanel.setBackground(Color.WHITE);
    	  popupPanel.remove(popupTA);
    	  popupPanel.repaint();
          popupPanel.add(popupTA);
          popupWorking.remove(popupPanel);
          popupWorking.repaint();
          popupWorking.add(popupPanel);//addegeix el panell de popup al JDialog
          popupWorking.validate();
          popupPanel.validate();
      } else {
          JScrollPane popupPanel=new JScrollPane();
    	  popupPanel.setBackground(Color.WHITE);
    	  popupPanel.remove(popupTA);
    	  popupPanel.repaint();
          popupPanel.add(popupTA);
          popupPanel.getViewport().add(popupTA, null);    	  
          popupWorking.remove(popupPanel);
          popupWorking.repaint();
          popupWorking.add(popupPanel);//addegeix el panell de popup al JDialog
          popupWorking.validate();
      }
      
      popupWorking.setTitle(popupTitle);//titol popup
      popupWorking.setSize(popupSize);//size popup
      popupWorking.setLocation(popupLocation);//location popup
      popupWorking.setVisible(true);//Fa visible el JDialog
      
    }*/
    
    
     public void showPopup(String popupBodyMessage,String popupTitle,Dimension popupSize,Point popupLocation){
      JTextArea popupTA=new JTextArea();
      popupTA.setBackground(Color.WHITE);
      popupTA.setFont(new Font("Sans Serif", Font.PLAIN, 15));
      popupWorking.setTitle(popupTitle);
      popupTA.setText(popupBodyMessage);
      JPanel popupPanel=new JPanel();
      popupPanel.add(popupTA);
      popupWorking.setSize(popupSize);
      popupWorking.setLocation(popupLocation);
      popupPanel.setBackground(Color.WHITE);
      popupWorking.getContentPane().add(popupPanel);
      popupWorking.setVisible(true);
      popupWorking.setEnabled(false);
    }
     
    
    
    //Apretat botó de "Tancar":
	private void jButtonExitMouseClicked(MouseEvent evt) {		
		System.exit(0);
	}
	
	private void jComboBoxIterItemStateChanged(ItemEvent evt) {
		if(evt.getStateChange()==evt.SELECTED){
			dibuixoDesdeComboIter=true;
			kernelRun();			
		}
	}
	
	private void jComboBoxCharSizeItemStateChanged(ItemEvent evt) {
		if(evt.getStateChange()==evt.SELECTED){
			kernelRun();
		}
	}
	
	private void jComboBoxCharTypeItemStateChanged(ItemEvent evt) {
		if(evt.getStateChange()==evt.SELECTED){
			kernelRun();
		}
	}
	
	private void jButtonHelpMouseClicked(MouseEvent evt) {
		String titol="Ajuda";
		
		//String body="\n  AJUDA SOBRE EL GENERADOR DE POEMES:\n\n";
		String body="  1. Escull un nivell de \"Complexitat\" o nombre d'iteracions del fractal."; 
		//body=body+"\n";
		//body=body+"  Complexitat 0: La frase que es repetirà indefinidament en les següents\n  iteracions. NO és un fractal.\n";
		//body=body+"  Complexitat 1: Primera iteració, la més senzilla.\n";
		//body=body+"  Complexitat 2: Segona iteració. Fractal més comlex.\n";
		//body=body+"  Complexitat 3: Tercera iteració. El fractal més gran presentat a l'expo-\n  sició.\n"; 
		//body=body+"\n";
		//body=body+"  Les de nivell 1, 2 i 3 són les que es mostren a la present exposició.\n\n"; 
		//body=body+"\n";
		//body=body+"  Complexitat 4: Quarta iteració.\n";  
		//body=body+"  Complexitat >4: No es representa cap poema degut a les limitacions\n"; 
		//body=body+"  del programa. Teòricament, les iteracions poden arribar fins a\n  l'infinit.\n"; 
		//body=body+"\n";
		body=body+"  \n  2. Entra la \"Mida\" del poema en conjunt. Només accepta nombres\n  (decimals o enters).\n";
		//body=body+"\n";
		body=body+"  3. Escull el tipus de \"Lletra\"."; 
		//body=body+"  No apareix per la iteració 5.\n"; 
		body=body+"\n";
		body=body+"  4. Entra la \"Mida de la lletra\". Només accepta nombres (decimals \n  o enters).\n";
		
		body=body+"  5. Entra el \"Color lletres\", o color que vols que tinguin les \n  lletres. És negre per iteracions més grans o iguals a 3.\n"; 
		
		body=body+"  6. Entra el \"Color fons\", o color que vols que tingui el fons.\n   És blanc per iteracions més grans o iguals a 3.\n\n";
		
		
		body=body+"  Si esculls \"CREA POEMA!\", a la part dreta del programa es dibuixarà la\n  teva versió del poema.\n\n"; 
		
		body=body+"  Si esculls \"Guardar poema\", es guardarà un arxiu PNG amb la teva\n";
		body=body+"  versió del poema. Fixa't en la finestra que et sortirà a continuació\n"; 
		body=body+"  per veure on s'ha guardat l'arxiu i com es diu. El format de l'arxiu és:\n\n";
		
		body=body+"  poema-el teu nom-ddmmaaaa-hhnnss.png, on d és dia, m és mes,\n"; 
		body=body+"  a és any, h és hora, n és minut i s és segon. Recorda d'omplir\n";
		body=body+"  el camp \"El teu nom\" abans d'apretar sobre el botó \"Guardar poema\".";
		
		body=body+"  \n\n  Escull \"Tancar\" per tancar l'aplicació.\n\n"; 
		
		//body=body+"  NOTA: quan es dibuixin poemes de complexitat més gran o igual a 3,\n"; 
		//body=body+"  és possible que es produeixi un petit retard a l'hora d'utilitzar\n  les";
		//body=body+"  barres de desplaçament. Aixó doncs, si us plau, espera't uns\n  segons per manipular el poema després de que s'hagi dibuixat.\n\n";
    	//showPopup(body,titol,new Dimension(550,550),new Point(220,100),true);
		infoMsg.showMessageDialog(null,body,titol,JOptionPane.INFORMATION_MESSAGE);
	}
}