Code has been clarified a bit

src/lsystem/engine/Element.java

@@ -19,8 +19,4 @@ public class Element {
         this.rotation = rotation;
     }
 
-    public int getRotation2D () {
-    	return (int) rotation[0];
-    }
-
 }

src/lsystem/screen/gl3d/AbstractCanvas.java

@@ -74,6 +74,6 @@ public abstract class AbstractCanvas {
 
     public enum State {
         LOAD,
-        FINISH_OR_NULL;
+        FINISH_OR_NULL
     }
 }

src/lsystem/screen/gl3d/DrawHelper.java

@@ -67,6 +67,7 @@ public class DrawHelper {
 	}
 
 
+	@SuppressWarnings("unused")
 	public static void drawDebugInformation(GL2 gl, GLUT glut, AbstractCanvas canvas) {
 		gl.glRasterPos3f(canvas.camera[0], canvas.camera[1], canvas.camera[2] - 1);
 		gl.glColor3f(1f, 1f, 1f);

src/lsystem/screen/main/Listener.java

@@ -52,49 +52,7 @@ public class Listener implements ActionListener, KeyListener, MouseWheelListener
                 tab.getTextField((byte) 1).setText("");
                 Listener kl = (Listener) tab.getTextField((byte) 0).getKeyListeners()[0];
                 kl.resetNbAxioms();
-
                 break;
-                
-            case "Generate 2D":
-            	String axiom2D = tab.getAxiom();
-                List<String> rules2D = tab.getRules();
-            	Parser parser2D = new Parser(axiom2D, rules2D, tab.getNbIterations());
-                if(Main.joglFrame.frame.isVisible()) {
-                    openDialog("Veuillez fermer la fenêtre 2D ou 3D avant de lancer une nouvelle génération");
-                } else if(Main.joglFrame.parsedState == AbstractCanvas.State.LOAD) {
-                        openDialog("Une génération est actuellement en cours, impossible d'en relancer un autre");
-                    openDialog("Une génération est actuellement en cours, impossible d'en relancer un autre");
-                } else if (!parser2D.isCorrect()) {
-                    openDialog("Vos règles ou votre axiome ne sont pas correctement écrites, veuillez recommencer");
-                } else {
-                    tab.submitButton2D.setIcon(staticIcon);
-                    tab.submitButton2D.setText("");
-                    parserThread = new Thread(() -> {
-                        try {
-                            List<Pair<String, String>> lSystemRules = parser2D.parseRules();
-                            Main.joglFrame.setLSystem(axiom2D, lSystemRules, tab.getNbIterations());
-
-                            StringBuilder message = new StringBuilder("L-System 2D - {axiom:\"").append(axiom2D).append("\",rules:[");
-                            for(int i = 0; i < lSystemRules.size(); ++i) {
-                                Pair<String, String> rule = lSystemRules.get(i);
-                                message.append("\"").append(rule.getLeft()).append("=").append(rule.getRight()).append("\"");
-                                if(i + 1 != lSystemRules.size())
-                                    message.append(",");
-                            }
-                            Main.joglFrame.frame.setTitle(message.append("]} - Nombres d'itérations: ").append(tab.getNbIterations()).toString());
-
-                            Main.joglFrame.setVisible(true);
-                        } catch (NumberFormatException err) {
-                            Main.joglFrame.parsedState = AbstractCanvas.State.FINISH_OR_NULL;
-                            openDialog("Une erreur de type " + err.getClass().getSimpleName() + " est survenue lors de l'execution du parser: " + err.getMessage());
-                        }
-                        tab.submitButton2D.setIcon(null);
-                        tab.submitButton2D.setText("Générer en 2D");
-                    });
-                    parserThread.start();
-                }
-                break;
-                
             case "Generate 3D":
             	String axiom3D = tab.getAxiom();
                 List<String> rules3D = tab.getRules();

src/lsystem/screen/main/Tab.java

@@ -1,9 +1,7 @@
 package lsystem.screen.main;
 
 import javax.swing.*;
-import javax.swing.plaf.basic.BasicButtonUI;
 import java.awt.*;
-import java.awt.event.ActionListener;
 import java.util.Arrays;
 
 public class Tab extends JPanel{
@@ -12,8 +10,8 @@ public class Tab extends JPanel{
     int nbRules;
     public JSpinner itSpinner;
     JTextField axiomeField,rulesField;
-    JTextArea axiomList,rulesList;;
+    JTextArea axiomList,rulesList;
-    JButton submitButton2D, submitButton3D, close;
+    JButton submitButton3D, close;
 
     public Tab(int nbTabs,int nbRules,JTabbedPane tabs,MainFrame frame) {
         this.nbRules = nbRules;
@@ -39,15 +37,11 @@ public class Tab extends JPanel{
         rulesField = new JTextField();
         rulesField.addKeyListener(new Listener(null,nbTabs+10,"Règles",this));
         rulesField.setPreferredSize(new Dimension(120,20));
-
-        submitButton2D = new JButton("Générer en 2D");
         submitButton3D = new JButton("Générer en 3D");
         JButton clearButton = new JButton("Clear");
         clearButton.addActionListener(new Listener(null,nbTabs,"Clear",this));
-        submitButton2D.addActionListener(new Listener(null,nbTabs,"Generate 2D",this));
         submitButton3D.addActionListener(new Listener(null,nbTabs,"Generate 3D",this));
-        JPanel southComponents = subPanel(submitButton2D,submitButton3D, null);
+        JPanel southComponents2 = subPanel(clearButton, submitButton3D, null);
-        JPanel southComponents2 = subPanel(clearButton, southComponents, null);
 
         GridBagConstraints gc = new GridBagConstraints();
         gc.gridx = 0;
@@ -71,10 +65,11 @@ public class Tab extends JPanel{
         aboveComponents.setLayout(new GridLayout(1,4));
         this.add(aboveComponents);
         this.add(southComponents2);
-        this.setLayout(new BoxLayout(this,1));
+        this.setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
 
-        tabs.addTab("Génération"+String.valueOf(nbTabs),this);
+        tabs.addTab("Génération" + nbTabs,this);
     }
+
     public JTextArea textArea(String texte, int nb){
         JTextArea res = new JTextArea();
         res.setText(texte);
@@ -83,6 +78,7 @@ public class Tab extends JPanel{
 
         return res;
     }
+
     public JPanel subPanel(Component a, Component b,GridBagConstraints gc){
         JPanel res = new JPanel();
         if(gc == null){
@@ -97,12 +93,15 @@ public class Tab extends JPanel{
         gc.gridy = 0;
         return res;
     }
+
     public JTextArea getTextArea(byte i){
         return (i == 0) ? axiomList : rulesList;
     }
+
     public JTextField getTextField(byte i){
         return (i == 0) ? axiomeField : rulesField;
     }
+
     public void changeList(String stringToAdd, JTextArea list, int nbAxioms) {
         if(nbAxioms > 0)
             JOptionPane.showMessageDialog(null, "Nombre maximal d'axiomes créés");
@@ -113,17 +112,20 @@ public class Tab extends JPanel{
         }
 
     }
+
     public String getAxiom(){
         String str = axiomList.getText();
         str = str.substring(10).replaceAll(";", "");
         return str;
     }
+
     public java.util.List<String> getRules(){
         String str = rulesList.getText();
         str = str.substring(10).replaceAll(";", "");
         String[] strsplit =  str.split("\n");
         return Arrays.asList(strsplit);
     }
+
     public int getNbIterations(){
         return (int) itSpinner.getValue();
     }