Öffnen und Speichern check

.gitignore

-/nbproject/private/
 /build/

src/config.properties

+log.level=INFO
+
+log.directory=../Aufgabe7_bandit
+log.filename=ohmLog
+
+# Beispiel f\u00fcr verschiedene Level f\u00fcr unterschiedliche Pakete
+# log.level.bandit.Zahlengenerator=FINE
+# log.level.bandit.Model.Wuerfel=WARNING

src/mvcgrafik/controller/commands/OpenCommand.java

       {
         Logger.getLogger(OpenCommand.class.getName()).log(Level.SEVERE, null, ex);
       }
-      model.deleteArrays();
+      view.getgZeichenflaeche().repaint();
     }
   }
 

src/mvcgrafik/model/GrafikModel.java

     BufferedOutputStream bos = new BufferedOutputStream(fos);
     //Serialisierung
     ObjectOutputStream oos = new ObjectOutputStream(bos);
-    oos.writeObject(punkte);
+    oos.writeObject(figuren);
     oos.flush(); // Puffer
     oos.close();
   }
     //eleganter
     if (daten instanceof ArrayList liste)
     {
-      punkte = liste;
+      figuren = liste;
     }
     
   }  
 
     public void endShape() {
-        figuren.add(punkte);
+        figuren.add(new ArrayList<Point>(punkte));
         punkte.clear();
     }
   
     pref.put(lastDirectory, lastAdress);
   }
 
-  public void deleteArrays()
-  {
-    figuren.clear();
-    punkte.clear();
-  }
   
 }

src/mvcgrafik/util/OhmLogger.java

+package mvcgrafik.util;
+
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+
+
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.time.LocalDateTime;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+//import java.util.Properties;
+import java.util.logging.*;
+
+/**
+ * Klasse zur eigens konfigurierten Log-Ausgabe in der Console
+ * @author ahrens
+ */
+public class OhmLogger
+{
+  private static final String LOGGER_NAME = "OhmLogger";
+  private static Logger lg = null;
+  
+  /**
+   * privater Konstrukter -> Singleton
+   */
+  private OhmLogger() 
+  {
+  }
+  
+  /**
+   * Public Method zum Erstellen des Loggers und zum Aufruf der Methode 
+   * zum Initialisieren
+   * @return Referenz auf Logger
+   */
+  public static Logger getLogger()
+  {
+    if (lg == null)
+    {
+      lg = Logger.getLogger(LOGGER_NAME);
+      initLogger();
+    }
+    return lg;
+  }
+  
+  /**
+   * Methode zum Initialisieren, Suchen der Konfigurationsdatei, Anlegen eines
+   * neuen Console Handlers, Löschen der bisherigen Standard Handler und 
+   * Einfügen des eigenen Handler, Setzen des Levels, je nach Properties
+   */
+  private static void initLogger()
+  {
+    try (InputStream configFile = OhmLogger.class.getClassLoader().getResourceAsStream("config.properties")) {
+      if (configFile != null) {
+        Properties properties = new Properties();
+        properties.load(configFile);
+        java.util.logging.Level classLogLevel = java.util.logging.Level.parse(properties.getProperty("log.level"));
+          
+        
+        ConsoleHandler ch = new ConsoleHandler();
+        ch.setFormatter(new OhmFormatter());
+        lg.setUseParentHandlers(false);
+        lg.getHandlers();
+        lg.addHandler(ch);
+
+
+        lg.setLevel(classLogLevel);
+        
+        String logDirectory = properties.getProperty("log.directory");
+        String logFileName = properties.getProperty("log.filename");
+
+        FileHandler fileHandler = new FileHandler(logDirectory + "/" + logFileName, true);
+        fileHandler.setFormatter(new OhmFormatter());
+        lg.addHandler(fileHandler);
+                      
+            
+      } else {
+        System.err.println("Unable to find config.properties file. OhmLogger will use default settings.");
+      }
+    } catch (IOException | SecurityException e) {
+      System.err.println("Error configuring OhmLogger: " + e.getMessage());
+    }
+    
+  }
+}
+
+/**
+ * Klasse zum Setzen des Formates des Auszugebenden Log-Strings
+ * @author ahren
+ */
+class OhmFormatter extends Formatter
+{
+  @Override
+  public String format(LogRecord record)
+  {
+    String logline = "| ";
+    
+    LocalDateTime ldt = LocalDateTime.now();
+    logline += ldt.toString();
+    logline += " | " + record.getLevel();
+    logline += " | " + record.getSourceClassName();
+    logline += " | " + record.getMessage();
+    logline += " |\n";
+    
+    return logline;
+  }
+}

src/mvcgrafik/view/GrafikView.java

 import java.awt.print.PrinterException;
 import java.awt.print.PrinterJob;
 import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Logger;
 import javax.print.attribute.HashPrintRequestAttributeSet;
 import javax.print.attribute.standard.DialogTypeSelection;
 import javax.swing.JComponent;
 import javax.swing.JOptionPane;
 import mvcgrafik.model.GrafikModel;
+import mvcgrafik.util.OhmLogger;
 
 
 /**
  */
 public class GrafikView extends JComponent implements Printable
 {
+  private static Logger lg = OhmLogger.getLogger();
   private static Dimension EINS = new Dimension(1, 1); // Dimension ist eine Klasse die width udn height hält
   private Rectangle2D.Float pixel;
   private Line2D.Float line;
   public GrafikView()
   {
     pixel = new Rectangle2D.Float();
+    line = new Line2D.Float();
   }
 
   public void setModel(GrafikModel model)
   
   
 
+  /**
+   * Zeichnet den aktuellen Pfad (solange die maus gedrückt gehalten wird)
+   * @param p -> Der aktuelle punkt als x-y-Koordinate
+   */
   public void drawPoint(Point p)
   {
-      
     Graphics2D g2 = (Graphics2D)this.getGraphics(); // gefährlich!
-    paintComponent(g2);
-//    pixel.setFrame(p, EINS);
-//    g2.draw(pixel);
 
+    drawPath(model.getPunkte(),g2);
 
-    //Um die aktuelle Figur zu zeichnen
-    int pathSize = model.getPunkte().size();
-    
-    for(int i=0; i < pathSize-1; i++)
-    {
-        Point from = model.getPunkte().get(i);
-        Point to = model.getPunkte().get(i+1);
-        
-        line = new Line2D.Float(from.x,from.y,to.x,to.y) {};
-        g2.draw(line);
-    }
-    
-    //Um die fertigen Figuren zu zeichnen 
-    model.getFiguren().forEach(figure->
-    {
-        ArrayList<Point> currentPath = new ArrayList<>(figure);
-        int figurePath = currentPath.size();
-    
-        for(int i=0; i < figurePath-1; i++)
-        {
-            Point from = currentPath.get(i);
-            Point to = model.getPunkte().get(i+1);
-
-            line = new Line2D.Float(from.x,from.y,to.x,to.y) {};
-            g2.draw(line);
-        }
-        
-    });
-  
     g2.dispose();  //SEEEEHHHHRRRR WICHTIG!!!!!!!
   }
   
+  
+  /**
+   * Hier werden alle Pfade aus dem model neu gezeichnet
+   * Jedes mal wenn die Maus los gelassen wird, wird dder aktuelle Pfad gespeichert
+   * @param g 
+   */
   public void paintComponent(Graphics g)
   {
     if (model == null) return;
     Graphics2D g2 = (Graphics2D)g;
     
     
-//    int pathSize = model.getPunkte().size();
-//    
-//    for(int i=0; i < pathSize-1; i++)
-//    {
-//        Point from = model.getPunkte().get(i);
-//        Point to = model.getPunkte().get(i+1);
-//        
-//        line = new Line2D.Float(from.x,from.y,to.x,to.y) {};
-//        g2.draw(line);
-//    }
-    
-    model.getFiguren().forEach(figure->
+    model.getFiguren().forEach(figuren->
     {
-        ArrayList<Point> currentPath = new ArrayList<>(figure);
-        int figurePath = currentPath.size();
+        drawPath(figuren,g2);
+    });
+ 
+  }
+  
+  public void drawPath(List<Point> path, Graphics2D g2){     
     
-    for(int i=0; i < figurePath-1; i++)
+    for(int i=0; i < path.size()-1; i++)
     {
-        Point from = currentPath.get(i);
-        Point to = model.getPunkte().get(i+1);
+        Point from = path.get(i);
+        Point to = path.get(i+1);
         
-        line = new Line2D.Float(from.x,from.y,to.x,to.y) {};
+        line.setLine(from,to);
         g2.draw(line);
     }
-        
-    });
-    
-    
-    
-//    model.getPunkte().forEach(p ->
-//    {
-//      pixel.setFrame(p, EINS);
-//      g2.draw(pixel);
-//    });
-
-    
   }
   
-//  public void drawPath(ArrayList<Point> path){
-//    Graphics2D g2 = (Graphics2D)this.getGraphics();
-//      
-//    int pathSize = path.size();
-//    
-//    for(int i=0; i < pathSize-1; i++)
-//    {
-//        Point from = model.getPunkte().get(i);
-//        Point to = model.getPunkte().get(i+1);
-//        
-//        line = new Line2D.Float(from.x,from.y,to.x,to.y) {};
-//        g2.draw(line);
-//    }
-//    
-//    g2.dispose();
-//  
-//  }
   
   public void doPrint()
   {