Add initial directories and files

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

63 files changed, 744 insertions, 0 deletions

diff --git a/logo/src/xlogo/utils/ExtensionFichier.java b/logo/src/xlogo/utils/ExtensionFichier.java
new file mode 100644
index 0000000..4fcf708
--- /dev/null
+++ b/logo/src/xlogo/utils/ExtensionFichier.java
@@ -0,0 +1,75 @@
+/* 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 
+ */package xlogo.utils;
+import javax.swing.filechooser.*;
+import java.io.File;
+//Permet de filtrer les fichiers dans un FileChooser
+// You can add a filter in a FileChooser
+
+/**
+ * Title :        XLogo
+ * Description :  XLogo is an interpreter for the Logo 
+ * 						programming language
+ * @author Loïc Le Coq
+ */
+public class ExtensionFichier extends FileFilter {
+/**
+ * @uml.property  name="description"
+ */
+private String description;   //Description du type de fichiers (Ex: "Fichiers JPEG")
+/**
+ * @uml.property  name="extension" multiplicity="(0 -1)" dimension="1"
+ */
+private String[] extension;     //Extension (incluant le '.') Ex: .jpg .java
+  public ExtensionFichier() {
+  }
+  public ExtensionFichier(String description,String[] extension){
+  this.description=description;
+  this.extension=extension;
+  }
+  public boolean accept(File f) {
+    if (f.isDirectory()) return true;
+    String nomFichier = f.getPath().toLowerCase();
+    for (int i=0;i<extension.length;i++){
+    	if (nomFichier.endsWith(extension[i])) return true;
+    	
+    }
+    return false;
+  }
+  public String getDescription() {
+	  StringBuffer sb=new StringBuffer();
+	  sb.append(description);
+	  sb.append(" (");
+	  for (int i=0;i<extension.length;i++){
+		  sb.append("*");
+		  sb.append(extension[i]);
+		  if (i!=extension.length-1) sb.append(", ");
+	  }
+	  sb.append(")");
+	  return new String(sb);
+  }
+}
\ No newline at end of file
diff --git a/logo/src/xlogo/utils/Icon_x4s.png b/logo/src/xlogo/utils/Icon_x4s.png
new file mode 100644
index 0000000..1cbd384
--- /dev/null
+++ b/logo/src/xlogo/utils/Icon_x4s.png
diff --git a/logo/src/xlogo/utils/Logo_xlogo4schools.png b/logo/src/xlogo/utils/Logo_xlogo4schools.png
new file mode 100644
index 0000000..3898176
--- /dev/null
+++ b/logo/src/xlogo/utils/Logo_xlogo4schools.png
diff --git a/logo/src/xlogo/utils/Utils.java b/logo/src/xlogo/utils/Utils.java
new file mode 100644
index 0000000..3c2e703
--- /dev/null
+++ b/logo/src/xlogo/utils/Utils.java
@@ -0,0 +1,481 @@
+/* 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.utils;
+import java.awt.Container;
+import java.awt.Font;
+import java.awt.Image;
+import java.awt.Component;
+import java.awt.Toolkit;
+import java.io.BufferedReader;
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.net.URL;
+import java.util.Locale;
+import java.util.ResourceBundle;
+import java.util.StringTokenizer;
+
+import javax.swing.ImageIcon;
+
+import xlogo.kernel.MyCalculator;
+import xlogo.kernel.Affichage;
+import xlogo.storage.WSManager;
+import xlogo.storage.workspace.Language;
+import xlogo.Logo;
+
+public class Utils {
+		
+	/**
+	 * Marko : Here a technique was used for loading images, that happens to be from the last milenium.
+	 * https://weblogs.java.net/blog/chet/archive/2004/07/imageio_just_an.html
+	 * 
+	 * The way of the 3rs millenium is ImageIO
+	 * 
+	 * @param nom
+	 * @param jf
+	 * @return
+	 */
+	public static ImageIcon dimensionne_image(String name,Component jf){
+
+		Image img = Toolkit.getDefaultToolkit().getImage(Utils.class.getResource(name));
+		
+		return new ImageIcon(img.getScaledInstance(20, 20, Image.SCALE_SMOOTH));
+		
+		/*
+		Image image;
+		try
+		{
+			image = ImageIO.read(new File("xlogo/utils/"+nom));
+			return image.getScaledInstance(22, 22, Image.SCALE_SMOOTH);
+		}
+		catch (IOException e)
+		{
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+			return null;
+		}
+		/ *
+		Image image=null;
+		image= Toolkit.getDefaultToolkit().getImage(Utils.class.getResource(nom));
+		MediaTracker tracker=new MediaTracker(jf);
+		tracker.addImage(image,0);
+		try{tracker.waitForID(0);}
+		catch(InterruptedException e1){}
+		double largeur_ecran=Toolkit.getDefaultToolkit().getScreenSize().getWidth();
+		int largeur=image.getWidth(jf); 
+		int hauteur=image.getHeight(jf);
+		// On fait attention à la résolution de l'utilisateur
+		double facteur = largeur_ecran/1024.0; //les images sont prévues pour 1024x768
+		if ((int)(facteur+0.001)!=1){
+			image=image.getScaledInstance((int)(facteur*largeur),(int)(facteur*hauteur),Image.SCALE_SMOOTH);
+			tracker=new MediaTracker(jf);
+			tracker.addImage(image,0);
+			try{tracker.waitForID(0);}
+			catch(InterruptedException e1){}
+		}
+		return image;
+		*/
+	  }
+	public static void recursivelySetFonts(Component comp, Font font) {
+	    comp.setFont(font);
+	    if (comp instanceof Container) {
+	      Container cont = (Container) comp;
+	      for(int j=0, ub=cont.getComponentCount(); j<ub; ++j)
+			recursivelySetFonts(cont.getComponent(j), font);
+	    }
+	}
+	public static String rajoute_backslash(String st){
+		StringBuffer tampon=new StringBuffer();
+		for(int j=0;j<st.length();j++){
+			char c=st.charAt(j);
+			if (c=='\\') tampon.append("\\\\");
+			else if (c==' ') tampon.append("\\e");
+			else if ("()[]#".indexOf(c)!=-1) tampon.append("\\"+c);
+			else tampon.append(c);
+		}
+		return(new String(tampon));
+	  }
+	
+	/**
+	 * Escape string, backslash ...
+	 * @param chaine
+	 * @return
+	 */
+	public static String SortieTexte(String chaine){ // Enlève les backslash
+		StringBuffer buffer=new StringBuffer();
+		boolean backslash=false;
+		boolean ignore=false;
+		for (int j=0;j<chaine.length();j++){
+			char c=chaine.charAt(j);
+			if (backslash) {
+				if (c=='e') buffer.append(' ');
+//				else if (c=='\\') buffer.append('\\');
+				else if (c=='n') buffer.append("\n");
+				else if(c=='v') buffer.append("");
+				else if(c=='l') {
+					ignore=true;
+				}
+				else if("[]()#\\".indexOf(c)>-1) buffer.append(c);
+				backslash=false;
+			}
+			else {
+				if (c=='\\') backslash=true;
+				else if (!ignore) buffer.append(c);
+				else if (c==' ') ignore=false;
+			}
+		}
+		return MyCalculator.getOutputNumber(new String(buffer));
+	}
+	/**
+	 * This method is formatting the String st.<br>
+	 * - Unused white spaces are deleted.<br>
+	 * - The character \ is modified to \\ <br>
+	 * - The sequence "\ " is modified to "\e"<br>
+	 * - The sequence "\ " is modified to "\e"<br>
+ 	 * - The sequence "\ " is modified to "\e"<br>
+ 	 * - The sequence "\ " is modified to "\e"<br>
+	 * @param st The String instruction to format
+	 * @return The formatted instructions
+	 */
+	public static StringBuffer decoupe(String st) {  
+		StringBuffer buffer = new StringBuffer();
+		// If last character is a white space
+		boolean espace=false;
+		// If last character is a backslash
+		boolean backslash=false;
+		// If last character is a word
+		boolean mot=false;
+		
+		int crochet_liste=0;
+//		boolean variable=false;
+		// If XLogo is running a program
+		boolean execution_lancee=Affichage.execution_lancee;
+		for(int i=0;i<st.length();i++){
+			char c=st.charAt(i);
+			if (c==' ') {
+				if (!espace&&buffer.length()!=0) {
+					if (backslash) buffer.append("\\e");
+					else {
+						buffer.append(c);
+						espace=true;
+						mot=false;
+	//					variable=false;
+					}
+					backslash=false;
+				}
+			}
+			else if(c=='\\'&&!backslash) {
+				espace=false;
+				backslash=true;
+			}
+			else if(c=='\"'){
+				if (espace&&crochet_liste<=0){
+					mot=true;
+				}
+				buffer.append(c);
+				espace=false;
+				backslash=false;
+			}
+			else if (c==':'){
+		/*		if (espace&&crochet_liste<=0){
+					variable=true;
+				}*/
+				buffer.append(c);
+				espace=false;
+				backslash=false;
+			}
+			else if (c=='['||c==']'||c=='('||c==')'){
+				//Modifications apportées
+				if (backslash) {
+					buffer.append("\\"+c);
+					backslash=false;
+				}
+				else {
+					if (c=='[') crochet_liste++;
+					else if (c==']') crochet_liste--;
+					if (espace||buffer.length()==0) {buffer.append(c+" ");espace=true;}
+					else {
+						buffer.append(" "+c+" ");
+						mot=false;
+						espace=true;
+					}
+				}
+			}
+			else if (c=='+'||c=='-'||c=='*'||c=='/'||c=='='||c=='<'||c=='>'||c=='&'||c=='|'){
+				//System.out.println(mot+" "+espace);
+				// à modifier (test + fin)
+				if (mot||crochet_liste>0) {
+					buffer.append(c);
+					if (espace) espace=false;
+				}
+				else { 
+					String op=String.valueOf(c);
+					// Looking for operator <= or >=
+					if (c=='<'||c=='>'){
+						if (i+1<st.length()){
+							if (st.charAt(i+1)=='='){
+								op+="=";
+								i++;
+							}
+						}
+					}
+					if (espace) buffer.append(op+" ");
+					else {
+						espace=true;
+						if (buffer.length()!=0) buffer.append(" "+op+" ");
+						// If buffer is empty no white space before
+						else buffer.append(op+" ");
+					}
+				}
+			}
+			else{
+				if (backslash){
+					if (c=='n')	buffer.append("\\n");
+					else if (c=='\\') buffer.append("\\\\"); 
+					else if (c=='v'&& execution_lancee) buffer.append("\"");
+					else if(c=='e'&& execution_lancee) buffer.append("\\e");
+					else if (c=='#') buffer.append("\\#");
+					else if (c=='l'&&execution_lancee) buffer.append("\\l");
+					else { 
+						buffer.append(c);
+					}
+				}
+				else {
+					buffer.append(c);	
+				}
+				backslash=false;
+				espace=false;
+			}
+		}
+//		System.out.println(buffer);
+		// Remove the space when the user write only "*" or "+" in the command line
+		//if (buffer.length()>0&&buffer.charAt(0)==' ') buffer.deleteCharAt(0);
+		return (buffer);
+	}
+	
+	
+	
+	public static String specialCharacterXML(String st){
+		st=st.replaceAll("&","&amp;");
+		st=st.replaceAll("<","&lt;");
+		st=st.replaceAll("\"","&quot;");
+		st=st.replaceAll(">","&gt;");
+		st=st.replaceAll("'","&apos;");
+		
+		return st;
+	}
+	public static String readLogoFile(String path) throws IOException{		// ADAPT READ LOGO FILE
+		String txt="";
+		// The old format before XLogo 0.9.23 is no longer supported from version 0.9.30
+		try{
+          	// New format for XLogo >=0.923
+          	// Encoded with UTF-8
+    		StringBuffer sb=new StringBuffer();
+          	 FileInputStream fr = new FileInputStream(path);
+              InputStreamReader isr = new  InputStreamReader(fr,  "UTF8");
+              BufferedReader brd=new BufferedReader(isr);
+              while (brd.ready()){
+              	sb.append(brd.readLine());
+              	sb.append("\n");
+              }
+              txt=new String(sb);
+           }
+           catch(FileNotFoundException e1){
+             // tentative fichier réseau 
+           	  try{
+           		  URL url =new java.net.URL(path);
+           		  StringBuffer sb=new StringBuffer();
+           		  java.io.InputStream fr = url.openStream();
+           		  InputStreamReader isr = new  InputStreamReader(fr,  "UTF8");
+           		  BufferedReader brd=new BufferedReader(isr);
+           		  while (brd.ready()){
+           			  String st=brd.readLine();
+           			  sb.append(st);
+           			  sb.append("\n");
+                     }
+           		  txt=new String(sb);
+           	  }
+           	  catch( java.net.MalformedURLException e){
+           		  System.out.println("File not found: "+path.toString());	
+           	  }
+          }
+          catch(Exception e){e.printStackTrace();}
+          if (txt.startsWith("# "+Logo.messages.getString("mainCommand"))){
+        	  int id=txt.indexOf("\n");
+        	  if (id!=-1){
+        		  WSManager.getUserConfig().setMainCommand(txt.substring(("# "+Logo.messages.getString("mainCommand")).length(),id).trim());
+        		  txt=txt.substring(id+1);
+        	  }
+          };
+          return txt;
+	}
+	
+	/**
+	 * Store a string to a logo file path, UTF9 encoding,
+	 * Write the main command to the head of the file with a #
+	 * @param path
+	 * @param txt
+	 * @throws IOException
+	 */
+	public static void writeLogoFile(String path,String txt) throws IOException{	// ADAPT write logo file
+		try{
+			if (!WSManager.getUserConfig().getMainCommand().trim().equals("")) {
+				String heading="# "+Logo.messages.getString("mainCommand")+" "+WSManager.getUserConfig().getMainCommand()+"\n";
+				txt=heading+txt;
+			}
+			FileOutputStream f = new FileOutputStream(path);
+			BufferedOutputStream b = new BufferedOutputStream(f);	
+			OutputStreamWriter osw = new  OutputStreamWriter(b,  "UTF8");
+	        osw.write(txt);
+	        osw.close();
+	        b.close();
+	        f.close();
+
+		}
+		catch(FileNotFoundException e1){e1.printStackTrace();}
+	}
+	public static boolean fileExists(String name){
+		File f=new File(name);
+		return f.exists();
+	}
+	
+	/**
+	 * @param name
+	 * @return
+	 * @author Marko Zivkovic
+	 */
+	public static boolean isFile(String path){
+		File f = new File(path);
+		return f.isFile();
+	}
+	/**
+	 * @param path
+	 * @return
+	 * @author Marko Zivkovic
+	 */
+	public static boolean isDirectory(String path){
+		File f = new File(path);
+		return f.isDirectory();
+	}
+	
+	/**
+	 * Implementation inspired by "JAVA ist auch eine Insel" - Christian Ullenboom, Galileo Computing
+	 * <p> If destination exists, it will be replaced
+	 * @param src
+	 * @param dest
+	 * @throws IOException If there is a problem with either src or dest
+	 * @author Marko Zivkovic
+	 */
+	public static void copyFile(String src, String dest) throws IOException
+	{
+		copyFile(new File(src), new File(dest));
+	}
+	/**
+	 * Implementation inspired by "JAVA ist auch eine Insel" - Christian Ullenboom, Galileo Computing
+	 * <p> If destination exists, it will be replaced
+	 * @param src
+	 * @param dest
+	 * @throws IOException If there is a problem with either src or dest
+	 * @author Marko Zivkovic
+	 */
+	public static void copyFile(File src, File dest) throws IOException
+	{
+		FileInputStream fis = null;
+		FileOutputStream fos = null;
+		
+		try
+		{
+			fis = new FileInputStream(src);
+			fos = new FileOutputStream(dest);
+			byte[] buffer = new byte[0xFFFF];
+			for (int len; (len = fis.read(buffer)) != -1;)
+			{
+				fos.write(buffer, 0, len);
+			}
+		}catch (IOException e) {
+			throw e;
+		}
+		finally {
+			if (fis != null)
+				try { fis.close(); } catch (IOException e) {}
+			if (fos != null)
+				try { fos.close(); } catch (IOException e) {}
+		}
+	}
+	
+	/**
+	 * First copy file to dest and then delete file.
+	 * @param file
+	 * @param dest
+	 * @throws IOException If there is a problem with either file or dest
+	 * @author Marko Zivkovic
+	 */
+	public static void moveFile(String file, String dest) throws IOException
+	{
+		moveFile(new File(file), new File(dest));
+	}
+	
+	/**
+	 * First copy file to dest and then delete file.
+	 * @param file
+	 * @param dest
+	 * @throws IOException If there is a problem with either file or dest
+	 * @author Marko Zivkovic
+	 */
+	public static void moveFile(File file, File dest) throws IOException
+	{
+		copyFile(file, dest);
+		file.delete();
+	}
+	
+
+  public static String primitiveName(String generic){
+	  		Language lang = WSManager.getInstance().getWorkspaceConfigInstance().getLanguage();
+			Locale locale = lang.getLocale();
+			ResourceBundle prim = ResourceBundle.getBundle(
+					"primitives", locale);
+			String st = prim.getString(generic);
+			StringTokenizer str = new StringTokenizer(st);
+			while (str.hasMoreTokens()) {
+				st = str.nextToken();
+			}
+			return st;
+	  }
+}
diff --git a/logo/src/xlogo/utils/WebPage.java b/logo/src/xlogo/utils/WebPage.java
new file mode 100644
index 0000000..56f1528
--- /dev/null
+++ b/logo/src/xlogo/utils/WebPage.java
@@ -0,0 +1,66 @@
+/* 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.utils;
+
+import javax.swing.event.*;
+import javax.swing.text.html.*;
+import javax.swing.JEditorPane;
+import javax.swing.event.HyperlinkListener;
+
+
+
+public class WebPage extends JEditorPane implements HyperlinkListener {
+	private static final long serialVersionUID = 1L;
+	public WebPage() {
+		super();
+		addHyperlinkListener(this);
+	}
+	 public void hyperlinkUpdate(HyperlinkEvent e) {
+        if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
+            JEditorPane pane = (JEditorPane) e.getSource();
+            if (e instanceof HTMLFrameHyperlinkEvent) {
+                HTMLFrameHyperlinkEvent  evt = (HTMLFrameHyperlinkEvent)e;
+                HTMLDocument doc = (HTMLDocument)pane.getDocument();
+                doc.processHTMLFrameHyperlinkEvent(evt);
+            } else {
+                try {
+                    pane.setPage(e.getURL());
+                } catch (Throwable t) {
+                    t.printStackTrace();
+                }
+            }
+        }
+    }
+}
diff --git a/logo/src/xlogo/utils/WriteImage.java b/logo/src/xlogo/utils/WriteImage.java
new file mode 100644
index 0000000..13426f9
--- /dev/null
+++ b/logo/src/xlogo/utils/WriteImage.java
@@ -0,0 +1,122 @@
+/* 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 
+ */
+
+package xlogo.utils;
+
+import java.io.File;
+import java.io.IOException;
+
+import javax.imageio.ImageIO;
+
+import xlogo.Logo;
+import xlogo.storage.WSManager;
+
+import java.awt.image.BufferedImage;
+import java.awt.Dimension;
+
+import javax.swing.JFileChooser;
+import javax.swing.JFrame;
+import javax.swing.JProgressBar;
+import javax.swing.JDialog;
+
+public class WriteImage extends Thread{
+	private BufferedImage image;
+	private JFrame owner;
+	private String path;
+	   public WriteImage(JFrame owner,BufferedImage image){
+	     this.image=image;
+	     this.owner=owner;
+	   }
+	public void setImage(BufferedImage img){
+		   image=img;
+	   }
+	   public int chooseFile(){
+		   JFileChooser jf = new JFileChooser();
+		    String[] ext={".jpg",".png"};
+		    jf.addChoosableFileFilter(new ExtensionFichier(Logo.messages.getString("imagefile"),
+		        ext  ));
+		    int retval = jf.showDialog(owner, Logo.messages.getString("menu.file.save"));
+	      // Si l'utilisateur appuie sur enregistrer du JFileChooser
+		    if (retval == JFileChooser.APPROVE_OPTION) {
+	    	  // On rajoute l'extension convenable au fichier
+	  		  path=jf.getSelectedFile().getPath();
+	  		  String copie_path=path.toLowerCase(); //
+	  		  if (!copie_path.endsWith(".jpg") && !copie_path.endsWith(".png")) {
+	  			  String st = jf.getFileFilter().getDescription().toLowerCase();
+	  			  if (st.endsWith("jpg)"))
+	  				  path += ".jpg";
+	  			  else if (st.endsWith("png)"))
+	  				  path += ".png";
+	  			  else
+	  				  path += ".jpg";
+	  		  }   
+		    }
+		    return retval;
+	   }
+	   
+	   public void run(){
+		   
+		  ProgressDialog progress=new ProgressDialog(owner);
+		   
+		   
+		Thread.currentThread().setPriority(Thread.MAX_PRIORITY);
+	     // On écrit le fichier
+	     try {
+	       if (path.endsWith(".jpg")) {
+	         File f = new File(path);
+	         ImageIO.write(image, "jpg", f);
+	       }
+	       else if (path.endsWith(".png")) {
+	         File f = new File(path);
+	         ImageIO.write(image, "png", f);
+	       }
+	     }
+	     catch (IOException ex) {System.out.println(ex.toString());}
+	     progress.dispose();
+	   }
+	   private class ProgressDialog extends JDialog{
+
+		private static final long serialVersionUID = 1L;
+			private JProgressBar prog=new JProgressBar();
+			ProgressDialog(JFrame owner){
+				super(owner);
+			   initGui();
+		   }
+			private void initGui(){
+				setFont(WSManager.getWorkspaceConfig().getFont());
+				setTitle(Logo.messages.getString("titredialogue2"));
+				prog.setIndeterminate(true);
+				java.awt.FontMetrics fm = owner.getGraphics()
+				.getFontMetrics(WSManager.getWorkspaceConfig().getFont());
+				int width = fm.stringWidth(Logo.messages.getString("titredialogue2"));
+				setSize(new Dimension(width+150,100));
+				getContentPane().add(prog);
+				setVisible(true);
+			}
+	   }
+}
\ No newline at end of file
diff --git a/logo/src/xlogo/utils/animation.png b/logo/src/xlogo/utils/animation.png
new file mode 100644
index 0000000..ec96348
--- /dev/null
+++ b/logo/src/xlogo/utils/animation.png
diff --git a/logo/src/xlogo/utils/background.png b/logo/src/xlogo/utils/background.png
new file mode 100644
index 0000000..fa16b1b
--- /dev/null
+++ b/logo/src/xlogo/utils/background.png
diff --git a/logo/src/xlogo/utils/chercher.png b/logo/src/xlogo/utils/chercher.png
new file mode 100644
index 0000000..f3d0e70
--- /dev/null
+++ b/logo/src/xlogo/utils/chercher.png
diff --git a/logo/src/xlogo/utils/close_icon.png b/logo/src/xlogo/utils/close_icon.png
new file mode 100644
index 0000000..003e5af
--- /dev/null
+++ b/logo/src/xlogo/utils/close_icon.png
diff --git a/logo/src/xlogo/utils/down_arrow.png b/logo/src/xlogo/utils/down_arrow.png
new file mode 100644
index 0000000..4cfbf80
--- /dev/null
+++ b/logo/src/xlogo/utils/down_arrow.png
diff --git a/logo/src/xlogo/utils/drapeau0.png b/logo/src/xlogo/utils/drapeau0.png
new file mode 100644
index 0000000..1b03ba5
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau0.png
diff --git a/logo/src/xlogo/utils/drapeau1.png b/logo/src/xlogo/utils/drapeau1.png
new file mode 100644
index 0000000..f7c5c02
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau1.png
diff --git a/logo/src/xlogo/utils/drapeau10.png b/logo/src/xlogo/utils/drapeau10.png
new file mode 100644
index 0000000..41cfe91
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau10.png
diff --git a/logo/src/xlogo/utils/drapeau11.png b/logo/src/xlogo/utils/drapeau11.png
new file mode 100644
index 0000000..0d8ceab
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau11.png
diff --git a/logo/src/xlogo/utils/drapeau12.png b/logo/src/xlogo/utils/drapeau12.png
new file mode 100644
index 0000000..bcddaf4
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau12.png
diff --git a/logo/src/xlogo/utils/drapeau13.png b/logo/src/xlogo/utils/drapeau13.png
new file mode 100644
index 0000000..2b8e820
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau13.png
diff --git a/logo/src/xlogo/utils/drapeau2.png b/logo/src/xlogo/utils/drapeau2.png
new file mode 100644
index 0000000..22af90c
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau2.png
diff --git a/logo/src/xlogo/utils/drapeau3.png b/logo/src/xlogo/utils/drapeau3.png
new file mode 100644
index 0000000..1444d86
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau3.png
diff --git a/logo/src/xlogo/utils/drapeau4.png b/logo/src/xlogo/utils/drapeau4.png
new file mode 100644
index 0000000..e16dcb1
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau4.png
diff --git a/logo/src/xlogo/utils/drapeau5.png b/logo/src/xlogo/utils/drapeau5.png
new file mode 100644
index 0000000..31378fd
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau5.png
diff --git a/logo/src/xlogo/utils/drapeau6.png b/logo/src/xlogo/utils/drapeau6.png
new file mode 100644
index 0000000..68d1cbb
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau6.png
diff --git a/logo/src/xlogo/utils/drapeau7.png b/logo/src/xlogo/utils/drapeau7.png
new file mode 100644
index 0000000..9f9f9b1
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau7.png
diff --git a/logo/src/xlogo/utils/drapeau8.png b/logo/src/xlogo/utils/drapeau8.png
new file mode 100644
index 0000000..1a5a07c
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau8.png
diff --git a/logo/src/xlogo/utils/drapeau9.png b/logo/src/xlogo/utils/drapeau9.png
new file mode 100644
index 0000000..81001a3
--- /dev/null
+++ b/logo/src/xlogo/utils/drapeau9.png
diff --git a/logo/src/xlogo/utils/editcopy.png b/logo/src/xlogo/utils/editcopy.png
new file mode 100644
index 0000000..28b5162
--- /dev/null
+++ b/logo/src/xlogo/utils/editcopy.png
diff --git a/logo/src/xlogo/utils/editcut.png b/logo/src/xlogo/utils/editcut.png
new file mode 100644
index 0000000..275571d
--- /dev/null
+++ b/logo/src/xlogo/utils/editcut.png
diff --git a/logo/src/xlogo/utils/editpaste.png b/logo/src/xlogo/utils/editpaste.png
new file mode 100644
index 0000000..42c2122
--- /dev/null
+++ b/logo/src/xlogo/utils/editpaste.png
diff --git a/logo/src/xlogo/utils/error.png b/logo/src/xlogo/utils/error.png
new file mode 100644
index 0000000..3dd3b55
--- /dev/null
+++ b/logo/src/xlogo/utils/error.png
diff --git a/logo/src/xlogo/utils/fileprint.png b/logo/src/xlogo/utils/fileprint.png
new file mode 100644
index 0000000..669b738
--- /dev/null
+++ b/logo/src/xlogo/utils/fileprint.png
diff --git a/logo/src/xlogo/utils/fog.png b/logo/src/xlogo/utils/fog.png
new file mode 100644
index 0000000..8cd7bfd
--- /dev/null
+++ b/logo/src/xlogo/utils/fog.png
diff --git a/logo/src/xlogo/utils/gnu_gpl.png b/logo/src/xlogo/utils/gnu_gpl.png
new file mode 100644
index 0000000..8ac8564
--- /dev/null
+++ b/logo/src/xlogo/utils/gnu_gpl.png
diff --git a/logo/src/xlogo/utils/icone.png b/logo/src/xlogo/utils/icone.png
new file mode 100644
index 0000000..20484b8
--- /dev/null
+++ b/logo/src/xlogo/utils/icone.png
diff --git a/logo/src/xlogo/utils/info_icon.png b/logo/src/xlogo/utils/info_icon.png
new file mode 100644
index 0000000..4d7fe39
--- /dev/null
+++ b/logo/src/xlogo/utils/info_icon.png
diff --git a/logo/src/xlogo/utils/light0.png b/logo/src/xlogo/utils/light0.png
new file mode 100644
index 0000000..2ce6bd6
--- /dev/null
+++ b/logo/src/xlogo/utils/light0.png
diff --git a/logo/src/xlogo/utils/light1.png b/logo/src/xlogo/utils/light1.png
new file mode 100644
index 0000000..70e5149
--- /dev/null
+++ b/logo/src/xlogo/utils/light1.png
diff --git a/logo/src/xlogo/utils/light2.png b/logo/src/xlogo/utils/light2.png
new file mode 100644
index 0000000..a5d6c42
--- /dev/null
+++ b/logo/src/xlogo/utils/light2.png
diff --git a/logo/src/xlogo/utils/light3.png b/logo/src/xlogo/utils/light3.png
new file mode 100644
index 0000000..4dc827e
--- /dev/null
+++ b/logo/src/xlogo/utils/light3.png
diff --git a/logo/src/xlogo/utils/menubtn.png b/logo/src/xlogo/utils/menubtn.png
new file mode 100644
index 0000000..ec6a2bf
--- /dev/null
+++ b/logo/src/xlogo/utils/menubtn.png
diff --git a/logo/src/xlogo/utils/play.png b/logo/src/xlogo/utils/play.png
new file mode 100644
index 0000000..ea86208
--- /dev/null
+++ b/logo/src/xlogo/utils/play.png
diff --git a/logo/src/xlogo/utils/preview0.png b/logo/src/xlogo/utils/preview0.png
new file mode 100644
index 0000000..4e428f5
--- /dev/null
+++ b/logo/src/xlogo/utils/preview0.png
diff --git a/logo/src/xlogo/utils/preview1.png b/logo/src/xlogo/utils/preview1.png
new file mode 100644
index 0000000..632ffa7
--- /dev/null
+++ b/logo/src/xlogo/utils/preview1.png
diff --git a/logo/src/xlogo/utils/preview2.png b/logo/src/xlogo/utils/preview2.png
new file mode 100644
index 0000000..69468cf
--- /dev/null
+++ b/logo/src/xlogo/utils/preview2.png
diff --git a/logo/src/xlogo/utils/preview3.png b/logo/src/xlogo/utils/preview3.png
new file mode 100644
index 0000000..5b34a32
--- /dev/null
+++ b/logo/src/xlogo/utils/preview3.png
diff --git a/logo/src/xlogo/utils/preview4.png b/logo/src/xlogo/utils/preview4.png
new file mode 100644
index 0000000..1173235
--- /dev/null
+++ b/logo/src/xlogo/utils/preview4.png
diff --git a/logo/src/xlogo/utils/preview5.png b/logo/src/xlogo/utils/preview5.png
new file mode 100644
index 0000000..b6f276a
--- /dev/null
+++ b/logo/src/xlogo/utils/preview5.png
diff --git a/logo/src/xlogo/utils/preview6.png b/logo/src/xlogo/utils/preview6.png
new file mode 100644
index 0000000..d7d1d2c
--- /dev/null
+++ b/logo/src/xlogo/utils/preview6.png
diff --git a/logo/src/xlogo/utils/quit.png b/logo/src/xlogo/utils/quit.png
new file mode 100644
index 0000000..54be95d
--- /dev/null
+++ b/logo/src/xlogo/utils/quit.png
diff --git a/logo/src/xlogo/utils/redo.png b/logo/src/xlogo/utils/redo.png
new file mode 100644
index 0000000..4766577
--- /dev/null
+++ b/logo/src/xlogo/utils/redo.png
diff --git a/logo/src/xlogo/utils/remove_256.png b/logo/src/xlogo/utils/remove_256.png
new file mode 100644
index 0000000..51e436d
--- /dev/null
+++ b/logo/src/xlogo/utils/remove_256.png
diff --git a/logo/src/xlogo/utils/screenshot.png b/logo/src/xlogo/utils/screenshot.png
new file mode 100644
index 0000000..792558e
--- /dev/null
+++ b/logo/src/xlogo/utils/screenshot.png
diff --git a/logo/src/xlogo/utils/stop.png b/logo/src/xlogo/utils/stop.png
new file mode 100644
index 0000000..0c1a0a9
--- /dev/null
+++ b/logo/src/xlogo/utils/stop.png
diff --git a/logo/src/xlogo/utils/tortue0.png b/logo/src/xlogo/utils/tortue0.png
new file mode 100644
index 0000000..ba7057b
--- /dev/null
+++ b/logo/src/xlogo/utils/tortue0.png
diff --git a/logo/src/xlogo/utils/tortue1.png b/logo/src/xlogo/utils/tortue1.png
new file mode 100644
index 0000000..dd97517
--- /dev/null
+++ b/logo/src/xlogo/utils/tortue1.png
diff --git a/logo/src/xlogo/utils/tortue2.png b/logo/src/xlogo/utils/tortue2.png
new file mode 100644
index 0000000..5ba638f
--- /dev/null
+++ b/logo/src/xlogo/utils/tortue2.png
diff --git a/logo/src/xlogo/utils/tortue3.png b/logo/src/xlogo/utils/tortue3.png
new file mode 100644
index 0000000..1234947
--- /dev/null
+++ b/logo/src/xlogo/utils/tortue3.png
diff --git a/logo/src/xlogo/utils/tortue4.png b/logo/src/xlogo/utils/tortue4.png
new file mode 100644
index 0000000..499fbef
--- /dev/null
+++ b/logo/src/xlogo/utils/tortue4.png
diff --git a/logo/src/xlogo/utils/tortue5.png b/logo/src/xlogo/utils/tortue5.png
new file mode 100644
index 0000000..bf622f2
--- /dev/null
+++ b/logo/src/xlogo/utils/tortue5.png
diff --git a/logo/src/xlogo/utils/tortue6.png b/logo/src/xlogo/utils/tortue6.png
new file mode 100644
index 0000000..2be5e71
--- /dev/null
+++ b/logo/src/xlogo/utils/tortue6.png
diff --git a/logo/src/xlogo/utils/undo.png b/logo/src/xlogo/utils/undo.png
new file mode 100644
index 0000000..e7bc8ec
--- /dev/null
+++ b/logo/src/xlogo/utils/undo.png
diff --git a/logo/src/xlogo/utils/up_arrow.png b/logo/src/xlogo/utils/up_arrow.png
new file mode 100644
index 0000000..06d5aee
--- /dev/null
+++ b/logo/src/xlogo/utils/up_arrow.png
diff --git a/logo/src/xlogo/utils/zoomin.png b/logo/src/xlogo/utils/zoomin.png
new file mode 100644
index 0000000..c896f8f
--- /dev/null
+++ b/logo/src/xlogo/utils/zoomin.png
diff --git a/logo/src/xlogo/utils/zoomout.png b/logo/src/xlogo/utils/zoomout.png
new file mode 100644
index 0000000..a3da47d
--- /dev/null
+++ b/logo/src/xlogo/utils/zoomout.png