Add initial directories and files

git-svn-id: https://svn.code.sf.net/p/xlogo4schools/svn/trunk@1 3b0d7934-f7ef-4143-9606-b51f2e2281fd

1 files changed, 207 insertions, 0 deletions

diff --git a/logo/src/xlogo/kernel/Affichage.java b/logo/src/xlogo/kernel/Affichage.java
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+/* XLogo4Schools - A Logo Interpreter specialized for use in schools, based on XLogo by Lo�c Le Coq
+ * Copyright (C) 2013 Marko Zivkovic
+ * 
+ * Contact Information: marko88zivkovic at gmail dot com
+ * 
+ * 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.  You should have received a copy of the 
+ * GNU General Public License along with this program; if not, write to the Free 
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
+ * MA 02110-1301, USA.
+ * 
+ * 
+ * This Java source code belongs to XLogo4Schools, written by Marko Zivkovic
+ * during his Bachelor thesis at the computer science department of ETH Z�rich,
+ * in the year 2013 and/or during future work.
+ * 
+ * It is a reengineered version of XLogo written by Lo�c Le Coq, published
+ * under the GPL License at http://xlogo.tuxfamily.org/
+ * 
+ * Contents of this file were initially written by Lo�c Le Coq,
+ * modifications, extensions, refactorings might have been applied by Marko Zivkovic 
+ */
+
+/**
+ * Title : XLogo Description : XLogo is an interpreter for the Logo programming
+ * language
+ * 
+ * @author Loïc Le Coq
+ */
+package xlogo.kernel;
+
+import java.util.Stack;
+import java.util.HashMap;
+import java.awt.event.*;
+
+import javax.swing.SwingUtilities;
+
+import xlogo.Application;
+import xlogo.messages.async.history.HistoryMessenger;
+import xlogo.utils.Utils;
+import xlogo.MemoryChecker;
+import xlogo.Logo;
+
+// Ce thread gère l'animation de la tortue pendant l'exécution
+/**
+ * This Thread is responsible of the turtle animation.
+ * This animation has to be executed in a separated thread, else it will block
+ * the event dispatcher thread
+ */
+public class Affichage extends Thread
+{
+	public static boolean	execution_lancee	= false;
+	private boolean			pause				= false;
+	private Application		cadre;
+	private StringBuffer	instruction;
+	private Souris			souris				= new Souris();
+	private MemoryChecker	memoryChecker					= null;
+	
+	public Affichage()
+	{
+	}
+	
+	public Affichage(Application cadre, StringBuffer instruction)
+	{
+		this.cadre = cadre;
+		this.instruction = instruction;
+	}
+	
+	class Souris extends MouseAdapter
+	{ // Si on déplace les Scrollbar pendant
+		// le dessin
+		public Souris()
+		{
+		} // Ceci permet d'interrompre momentanément l'exécution
+		
+		public void mousePressed(MouseEvent e)
+		{
+			pause = true;
+		}
+		
+		public void mouseReleased(MouseEvent e)
+		{
+			pause = false;
+		}
+	}
+	
+	public void run()
+	{
+		// currentThread().setPriority(Thread.MIN_PRIORITY);
+		SwingUtilities.invokeLater(new Runnable(){
+			public void run()
+			{
+				cadre.setCommandLine(false);// la ligne de commandes
+											// n'est plus active
+			}
+		});
+		execution_lancee = true;
+		cadre.getDrawPanel().active_souris(); // On active les événements souris
+											// sur
+		// la zone de dessin
+		cadre.scrollArea.getVerticalScrollBar().addMouseListener(souris);
+		cadre.scrollArea.getHorizontalScrollBar().addMouseListener(souris);
+		try
+		{
+			cadre.setCar(-1);
+			cadre.error = false;
+			Interprete.operande = Interprete.operateur = Interprete.drapeau_ouvrante = false;
+			cadre.getKernel().getInstructionBuffer().clear();
+			Interprete.calcul = new Stack<String>();
+			Interprete.nom = new Stack<String>();
+			Interprete.locale = new HashMap<String, String>();
+			Interprete.en_cours = new Stack<String>();
+			memoryChecker = new MemoryChecker(cadre);
+			memoryChecker.start();
+			boolean b = true;
+			while (b)
+			{
+				String st = cadre.getKernel().execute(instruction);
+				if (!st.equals(""))
+					throw new LogoError(Logo.messages.getString("error.whattodo") + " " + st + " ?");
+				if (Interprete.actionInstruction.length() == 0)
+					b = false;
+				else
+				{
+					instruction = Interprete.actionInstruction;
+					Interprete.actionInstruction = new StringBuffer();
+				}
+			}
+		}
+		catch (LogoError e)
+		{
+			// if (st.equals("siwhile")) st=Logo.messages.getString("tantque");
+			while (!Interprete.en_cours.isEmpty() && Interprete.en_cours.peek().equals("("))
+				Interprete.en_cours.pop();
+			if (!cadre.error & !Interprete.en_cours.isEmpty())
+			{
+				HistoryMessenger.getInstance().dispatchError(
+						Logo.messages.getString("dans") + " " + Interprete.en_cours.pop() + ", "
+								+ Logo.messages.getString("line") + " " + getLineNumber() + ":\n");
+			}
+			if (!cadre.error)
+				HistoryMessenger.getInstance().dispatchError(Utils.SortieTexte(e.getMessage()) + "\n");
+			abortExecution();
+		}
+		cadre.setCommandLine(true);
+		if (!cadre.viewer3DVisible())
+			cadre.focus_Commande();
+		execution_lancee = false;
+		memoryChecker.kill();
+		cadre.error = false;
+		cadre.scrollArea.getVerticalScrollBar().removeMouseListener(souris);
+		cadre.scrollArea.getHorizontalScrollBar().removeMouseListener(souris);
+	}
+	
+	private void abortExecution()
+	{
+		cadre.focus_Commande();
+		cadre.error = true;
+		Interprete.calcul = new Stack<String>();
+		cadre.getKernel().getInstructionBuffer().clear();
+		Primitive.stackLoop = new Stack<LoopProperties>();
+	}
+	
+	private int getLineNumber()
+	{
+		String string = Interprete.lineNumber;
+		// System.out.println("bb"+string+"bb");
+		if (string.equals(""))
+			string = cadre.getKernel().getInstructionBuffer().toString();
+		// System.out.println("cc"+string+"cc");
+		int id = string.indexOf("\\l");
+		if (id != -1)
+		{
+			String lineNumber = "";
+			int i = id + 2;
+			char c = string.charAt(i);
+			while (c != ' ')
+			{
+				lineNumber += c;
+				i++;
+				c = string.charAt(i);
+			}
+			// System.out.println(lineNumber);
+			return Integer.parseInt(lineNumber);
+		}
+		return 1;
+	}
+	
+	protected boolean isOnPause()
+	{
+		return pause;
+	}
+	
+	/**
+	 * @param b
+	 * @uml.property name="pause"
+	 */
+	public void setPause(boolean b)
+	{
+		pause = b;
+	}
+}