versuch über invoker in GrafikController

Ich hab überall wo der Frame eingebunden werden muss die sachen 
auskommentiert und ToDos eingefügt

.gitignore

@@ -0,0 +1,3 @@
+/nbproject/private/
+/build/
+/dist/

nbproject/build-impl.xml

@@ -1067,6 +1067,15 @@ is divided into following sections:
         <propertyfile file="${built-jar.properties}">
             <entry key="${basedir}" value=""/>
         </propertyfile>
+        <antcall target="-maybe-call-dep">
+            <param name="call.built.properties" value="${built-jar.properties}"/>
+            <param location="${project.Aufgabe9_mvcGrafik}" name="call.subproject"/>
+            <param location="${project.Aufgabe9_mvcGrafik}/build.xml" name="call.script"/>
+            <param name="call.target" value="jar"/>
+            <param name="transfer.built-jar.properties" value="${built-jar.properties}"/>
+            <param name="transfer.not.archive.disabled" value="true"/>
+            <param name="transfer.do.jlink" value="false"/>
+        </antcall>
     </target>
     <target depends="init,-check-automatic-build,-clean-after-automatic-build" name="-verify-automatic-build"/>
     <target depends="init" name="-check-automatic-build">
@@ -1738,6 +1747,15 @@ is divided into following sections:
         <propertyfile file="${built-clean.properties}">
             <entry key="${basedir}" value=""/>
         </propertyfile>
+        <antcall target="-maybe-call-dep">
+            <param name="call.built.properties" value="${built-clean.properties}"/>
+            <param location="${project.Aufgabe9_mvcGrafik}" name="call.subproject"/>
+            <param location="${project.Aufgabe9_mvcGrafik}/build.xml" name="call.script"/>
+            <param name="call.target" value="clean"/>
+            <param name="transfer.built-clean.properties" value="${built-clean.properties}"/>
+            <param name="transfer.not.archive.disabled" value="true"/>
+            <param name="transfer.do.jlink" value="false"/>
+        </antcall>
     </target>
     <target depends="init" name="-do-clean">
         <delete dir="${build.dir}"/>

nbproject/genfiles.properties

@@ -1,8 +1,8 @@
-build.xml.data.CRC32=05f3ad23
+build.xml.data.CRC32=d624b1fd
 build.xml.script.CRC32=1a88b66a
 build.xml.stylesheet.CRC32=f85dc8f2@1.108.0.48
 # This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
 # Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
-nbproject/build-impl.xml.data.CRC32=05f3ad23
-nbproject/build-impl.xml.script.CRC32=fdc076e6
+nbproject/build-impl.xml.data.CRC32=d624b1fd
+nbproject/build-impl.xml.script.CRC32=476a1ac9
 nbproject/build-impl.xml.stylesheet.CRC32=12e0a6c2@1.108.0.48

nbproject/project.properties

@@ -37,7 +37,8 @@ endorsed.classpath=
 excludes=
 includes=**
 jar.compress=false
-javac.classpath=
+javac.classpath=\
+    ${reference.Aufgabe9_mvcGrafik.jar}
 # Space-separated list of extra javac options
 javac.compilerargs=
 javac.deprecation=false
@@ -78,6 +79,8 @@ manifest.file=manifest.mf
 meta.inf.dir=${src.dir}/META-INF
 mkdist.disabled=false
 platform.active=default_platform
+project.Aufgabe9_mvcGrafik=../../T9_mvcGrafik/Aufgabe9_mvcGrafik
+reference.Aufgabe9_mvcGrafik.jar=${project.Aufgabe9_mvcGrafik}/dist/Aufgabe9_mvcGrafik.jar
 run.classpath=\
     ${javac.classpath}:\
     ${build.classes.dir}

nbproject/project.xml

@@ -11,5 +11,15 @@
                 <root id="test.src.dir"/>
             </test-roots>
         </data>
+        <references xmlns="http://www.netbeans.org/ns/ant-project-references/1">
+            <reference>
+                <foreign-project>Aufgabe9_mvcGrafik</foreign-project>
+                <artifact-type>jar</artifact-type>
+                <script>build.xml</script>
+                <target>jar</target>
+                <clean-target>clean</clean-target>
+                <id>jar</id>
+            </reference>
+        </references>
     </configuration>
 </project>

src/ChatProgramm/Start.java

@@ -6,7 +6,10 @@
 package ChatProgramm;
 
 import ChatProgramm.controller.CommandController;
+import ChatProgramm.controller.GrafikController;
+import ChatProgramm.model.GrafikModel;
 import ChatProgramm.view.ChatView;
+import ChatProgramm.view.GrafikView;
 import javax.swing.JOptionPane;
 import javax.swing.UIManager;
 
@@ -18,7 +21,12 @@ public class Start
 {
   public Start()
   {
+    GrafikModel model = new GrafikModel();
     ChatView view = new ChatView();
+    GrafikView zeichenflaeche = view.getGvZeichenflaeche();
+    zeichenflaeche.setModel(model);
+    GrafikController controller = new GrafikController(zeichenflaeche, model);
+    controller.registerEvents();
     CommandController controller_commands = new CommandController(view);
     controller_commands.registerEvents();
     controller_commands.registerCommands();

src/ChatProgramm/controller/CommandController.java

@@ -29,13 +29,14 @@ public class CommandController implements ActionListener{
     
     public void registerEvents(){
         view.getBtnConnect().addActionListener(this); 
-        view.getTfNachricht().addActionListener(this);
+        //ToDo: muss auf gFrame referenzieren
+        //view.getTfNachricht().addActionListener(this);
     }
     
     public void registerCommands(){
         CommandSend commandSend = new CommandSend(view);
         invoker.addCommand(view.getBtnConnect(), new CommandConnect(view, commandSend));
-        invoker.addCommand(view.getTfNachricht(), commandSend);
+        //invoker.addCommand(view.getTfNachricht(), commandSend);
     }
 
     /**

src/ChatProgramm/controller/GrafikController.java

@@ -0,0 +1,70 @@
+/*
+ * 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
+ */
+
+package ChatProgramm.controller;
+
+import ChatProgramm.controller.commands.CommandConnect;
+import ChatProgramm.controller.commands.CommandInvoker;
+import ChatProgramm.controller.commands.CommandSend;
+import java.awt.Point;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseMotionListener;
+import ChatProgramm.model.GrafikModel;
+import ChatProgramm.view.GrafikView;
+import java.awt.Component;
+
+/**
+ *
+ * @author le
+ */
+public class GrafikController extends MouseAdapter implements MouseMotionListener
+{
+  private GrafikView view;
+  private GrafikModel model;
+  private CommandInvoker invoker;
+  
+  public GrafikController(GrafikView view, GrafikModel model)
+  {
+    this.view = view;
+    this.model = model;
+  }
+  
+  public void registerEvents()
+  {
+    view.addMouseMotionListener(this);
+    view.addMouseListener(this);
+  }
+      public void registerCommands(){
+        CommandSend commandSend = new CommandSend(view);
+        invoker.addCommand(view.getTfNachricht(), commandSend);
+    }
+
+
+  @Override
+  public void mouseDragged(MouseEvent evt)
+  {
+    Point p = evt.getPoint();
+    model.addPoint(p);
+    view.drawPoint(p);
+  }
+
+  @Override
+  public void mouseMoved(MouseEvent e)
+  {
+  }
+  
+  @Override
+  public void mouseReleased(MouseEvent evt)
+  {
+      model.endShape();
+      Component key = (Component)evt.getSource();
+        invoker.executeCommand(key);
+//    if (evt.getButton() == MouseEvent.BUTTON3)
+//    {
+//      view.doPrint();
+//    }
+  }
+}

src/ChatProgramm/controller/commands/CommandSend.java

@@ -13,6 +13,7 @@ import ChatProgramm.view.ChatView;
 import java.util.logging.Logger;
 import javax.swing.JTextField;
 import ChatProgramm.model.Nachricht;
+import ChatProgramm.view.GrafikView;
 
 /**
  *
@@ -23,7 +24,7 @@ public class CommandSend implements CommandInterface
   private static Logger lg = OhmLogger.getLogger();
   private JTextField eingabeFeld;
   private String nachricht;
-  private ChatView view;
+  private GrafikView view;
   public TransmitterInterface transmitterInterface;
   public Server server;
   public Client client;
@@ -31,20 +32,24 @@ public class CommandSend implements CommandInterface
 
   
     
-  public CommandSend(ChatView view)
+  public CommandSend(GrafikView view)
   {
       this.view = view;
-      this.eingabeFeld = view.getTfNachricht();
+      //ToDo: Hier muss auch der gFrame referenziert werden
+      //this.eingabeFeld = view.getTfNachricht();
       transmitterInterface = null;
   }
 
   @Override
   public void execute()
   {
-      if(transmitterInterface != null && !eingabeFeld.getText().isEmpty()){
-          transmitterInterface.send(eingabeFeld.getText());
-          eingabeFeld.setText("");
-      }
+      //ToDo in dieser methode muss die Figur serialisiert werden und zum 
+      //übermitteln bereitgestellt werden
+      
+//      if(transmitterInterface != null && !eingabeFeld.getText().isEmpty()){
+//          transmitterInterface.send(eingabeFeld.getText());
+//          eingabeFeld.setText("");
+//      }
   }
 
 

src/ChatProgramm/model/Figur.java

@@ -0,0 +1,39 @@
+/*
+ * 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
+ */
+
+package ChatProgramm.model;
+
+import java.awt.Point;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ *
+ * @author ahren
+ */
+public class Figur implements Serializable
+{
+  private ArrayList<Point> punkte;
+  
+  public Figur(){
+        punkte = new ArrayList<>();
+  }
+
+  public void addPoint(Point p){
+    punkte.add(p);
+  }
+  
+  public List<Point> getPunkte()
+  {
+    return Collections.unmodifiableList(punkte);
+  }
+  
+  public void clear(){
+    punkte.clear();
+  }
+  
+}

src/ChatProgramm/model/GrafikModel.java

@@ -0,0 +1,121 @@
+/*
+ * 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
+ */
+
+package ChatProgramm.model;
+
+import java.awt.Point;
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.logging.Logger;
+import java.util.prefs.Preferences;
+import ChatProgramm.util.OhmLogger;
+/**
+ *
+ * @author le
+ */
+public class GrafikModel
+{
+  private Figur aktuelleFigur;
+  private ArrayList<Figur> figuren;
+  private Preferences pref;
+ private static Logger lg = OhmLogger.getLogger();
+  
+  public GrafikModel()
+  {
+    aktuelleFigur = new Figur();
+    figuren = new ArrayList<>();
+  }
+  
+  public void addPoint(Point p)
+  {
+    aktuelleFigur.addPoint(p);
+  }
+
+  public List<Point> getPunkte()
+  {
+    return aktuelleFigur.getPunkte();
+  }
+  
+  public List<Figur> getFiguren(){
+    return Collections.unmodifiableList(figuren);
+  }
+  
+  
+  /**
+   * Persistenz via Serialisierung
+   * @param dateiname
+   * @throws FileNotFoundException
+   * @throws IOException 
+   */
+  public void speicherePunkte(String dateiname) throws FileNotFoundException, IOException
+  {
+    // an Preferences denken!!
+    FileOutputStream fos = new FileOutputStream(dateiname);
+    //wichtig Puffer -> Performance
+    BufferedOutputStream bos = new BufferedOutputStream(fos);
+    //Serialisierung
+    ObjectOutputStream oos = new ObjectOutputStream(bos);
+    oos.writeObject(figuren);
+    oos.flush(); // Puffer
+    oos.close();
+  }
+  
+  public void lesePunkte(String dateiname) throws FileNotFoundException, IOException, ClassNotFoundException
+  {
+    // an Preferences denken!!
+    FileInputStream fis = new FileInputStream(dateiname);
+    //wichtig Puffer -> Performance
+    BufferedInputStream bis = new BufferedInputStream(fis);
+    //Serialisierung
+    ObjectInputStream ois = new ObjectInputStream(bis);
+    Object daten = ois.readObject(); // Achtung
+//    if (daten instanceof ArrayList)
+//    {
+//      punkte = (ArrayList<Point>)daten;
+//    }
+    //eleganter
+    if (daten instanceof ArrayList liste)
+    {
+      figuren = liste;
+    }  
+ 
+  }  
+
+    public void endShape() {
+        figuren.add(aktuelleFigur);
+        aktuelleFigur = new Figur();
+    }
+  
+    /**
+   * Bestimmt die Adresse des zuletzt besuchten Ordners
+   * @return letzter Ordner
+   */
+  public String getPref()
+  {
+        pref = Preferences.userNodeForPackage(getClass());
+        return pref.get("lastDirectory", null);
+  }
+
+  /**
+   * Setzt die Preferenz zu dem zuletzt besuchten Ordner
+   * @param lastDirectory Bezeichner "lastDirectory"
+   * @param lastAdress Adresse des zuletzt besuchten Ordners
+   */
+  public void putPref(String lastDirectory, String lastAdress)
+  {
+    pref.put(lastDirectory, lastAdress);
+  }
+}
+
+

src/ChatProgramm/model/ReceiveAdapter.java

@@ -30,7 +30,9 @@ public class ReceiveAdapter implements Subscriber<Nachricht> {
     @Override
     public void onNext(Nachricht item) {
         
-        view.getTxtChat().append(item.getNachricht());
+        //ToDo: hier muss der gFrame aufgerufen werden
+        // evtl muss die Figur aber zuerst serialisiert werden
+        //view.getTxtChat().append(item.getNachricht());
         this.subscription.request(1);
     }
 

src/ChatProgramm/view/ChatView.form

@@ -107,45 +107,16 @@
 
   <Layout class="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout"/>
   <SubComponents>
-    <Component class="javax.swing.JTextField" name="tfNachricht">
-      <Properties>
-        <Property name="toolTipText" type="java.lang.String" value=""/>
-      </Properties>
-      <Events>
-        <EventHandler event="mouseClicked" listener="java.awt.event.MouseListener" parameters="java.awt.event.MouseEvent" handler="tfNachrichtMouseClicked"/>
-        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="tfNachrichtActionPerformed"/>
-      </Events>
-      <Constraints>
-        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout" value="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout$BorderConstraintsDescription">
-          <BorderConstraints direction="Last"/>
-        </Constraint>
-      </Constraints>
-    </Component>
-    <Container class="javax.swing.JScrollPane" name="jScrollPane2">
-      <Properties>
-        <Property name="preferredSize" type="java.awt.Dimension" editor="org.netbeans.beaninfo.editors.DimensionEditor">
-          <Dimension value="[238, 150]"/>
-        </Property>
-      </Properties>
-      <AuxValues>
-        <AuxValue name="autoScrollPane" type="java.lang.Boolean" value="true"/>
-      </AuxValues>
+    <Container class="ChatProgramm.view.GrafikView" name="gvZeichenflaeche">
       <Constraints>
         <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout" value="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout$BorderConstraintsDescription">
           <BorderConstraints direction="Center"/>
         </Constraint>
       </Constraints>
 
-      <Layout class="org.netbeans.modules.form.compat2.layouts.support.JScrollPaneSupportLayout"/>
-      <SubComponents>
-        <Component class="javax.swing.JTextArea" name="txtChat">
-          <Properties>
-            <Property name="columns" type="int" value="20"/>
-            <Property name="rows" type="int" value="5"/>
-            <Property name="text" type="java.lang.String" value="Chat:"/>
-          </Properties>
-        </Component>
-      </SubComponents>
+      <Layout class="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout">
+        <Property name="useNullLayout" type="boolean" value="true"/>
+      </Layout>
     </Container>
   </SubComponents>
 </Form>

src/ChatProgramm/view/ChatView.java

@@ -11,6 +11,14 @@ package ChatProgramm.view;
 public class ChatView extends javax.swing.JFrame
 {
 
+  /**
+   * @return the gvZeichenflaeche
+   */
+  public ChatProgramm.view.GrafikView getGvZeichenflaeche()
+  {
+    return gvZeichenflaeche;
+  }
+
   /**
    * Creates new form ChatView
    */
@@ -36,9 +44,7 @@ public class ChatView extends javax.swing.JFrame
     jPanel1 = new javax.swing.JPanel();
     BtnConnect = new javax.swing.JButton();
     BtnGrpMode = new javax.swing.ButtonGroup();
-    tfNachricht = new javax.swing.JTextField();
-    jScrollPane2 = new javax.swing.JScrollPane();
-    txtChat = new javax.swing.JTextArea();
+    gvZeichenflaeche = new ChatProgramm.view.GrafikView();
 
     dialogChooseMode.setMinimumSize(new java.awt.Dimension(278, 208));
     dialogChooseMode.getContentPane().setLayout(new java.awt.GridLayout(0, 1));
@@ -105,32 +111,7 @@ public class ChatView extends javax.swing.JFrame
         formWindowOpened(evt);
       }
     });
-
-    tfNachricht.setToolTipText("");
-    tfNachricht.addMouseListener(new java.awt.event.MouseAdapter()
-    {
-      public void mouseClicked(java.awt.event.MouseEvent evt)
-      {
-        tfNachrichtMouseClicked(evt);
-      }
-    });
-    tfNachricht.addActionListener(new java.awt.event.ActionListener()
-    {
-      public void actionPerformed(java.awt.event.ActionEvent evt)
-      {
-        tfNachrichtActionPerformed(evt);
-      }
-    });
-    getContentPane().add(tfNachricht, java.awt.BorderLayout.PAGE_END);
-
-    jScrollPane2.setPreferredSize(new java.awt.Dimension(238, 150));
-
-    txtChat.setColumns(20);
-    txtChat.setRows(5);
-    txtChat.setText("Chat:");
-    jScrollPane2.setViewportView(txtChat);
-
-    getContentPane().add(jScrollPane2, java.awt.BorderLayout.CENTER);
+    getContentPane().add(gvZeichenflaeche, java.awt.BorderLayout.CENTER);
 
     pack();
   }// </editor-fold>//GEN-END:initComponents
@@ -145,21 +126,11 @@ public class ChatView extends javax.swing.JFrame
     // TODO add your handling code here:
   }//GEN-LAST:event_BtnServerActionPerformed
 
-  private void tfNachrichtActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_tfNachrichtActionPerformed
-  {//GEN-HEADEREND:event_tfNachrichtActionPerformed
-    // TODO add your handling code here:
-  }//GEN-LAST:event_tfNachrichtActionPerformed
-
   private void formWindowOpened(java.awt.event.WindowEvent evt)//GEN-FIRST:event_formWindowOpened
   {//GEN-HEADEREND:event_formWindowOpened
     dialogChooseMode.show(); 
   }//GEN-LAST:event_formWindowOpened
 
-  private void tfNachrichtMouseClicked(java.awt.event.MouseEvent evt)//GEN-FIRST:event_tfNachrichtMouseClicked
-  {//GEN-HEADEREND:event_tfNachrichtMouseClicked
-
-  }//GEN-LAST:event_tfNachrichtMouseClicked
-
   private void BtnConnectActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_BtnConnectActionPerformed
   {//GEN-HEADEREND:event_BtnConnectActionPerformed
     // TODO add your handling code here:
@@ -220,11 +191,9 @@ public class ChatView extends javax.swing.JFrame
   private javax.swing.ButtonGroup BtnGrpMode;
   private javax.swing.JRadioButton BtnServer;
   private javax.swing.JDialog dialogChooseMode;
+  private ChatProgramm.view.GrafikView gvZeichenflaeche;
   private javax.swing.JPanel jPanel1;
-  private javax.swing.JScrollPane jScrollPane2;
   private javax.swing.JLabel lblMode;
-  private javax.swing.JTextField tfNachricht;
-  private javax.swing.JTextArea txtChat;
   // End of variables declaration//GEN-END:variables
 
   /**
@@ -267,19 +236,19 @@ public class ChatView extends javax.swing.JFrame
     return dialogChooseMode;
   }
 
-  /**
-   * @return the tfNachricht
-   */
-  public javax.swing.JTextField getTfNachricht()
-  {
-    return tfNachricht;
-  }
-
-  /**
-   * @return the txtChat
-   */
-  public javax.swing.JTextArea getTxtChat()
-  {
-    return txtChat;
-  }
+//  /**
+//   * @return the tfNachricht
+//   */
+//  public javax.swing.JTextField getTfNachricht()
+//  {
+//    return tfNachricht;
+//  }
+//
+//  /**
+//   * @return the txtChat
+//   */
+//  public javax.swing.JTextArea getTxtChat()
+//  {
+//    return txtChat;
+//  }
 }

src/ChatProgramm/view/GrafikView.java

@@ -0,0 +1,143 @@
+/*
+ * 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
+ */
+
+package ChatProgramm.view;
+
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Point;
+import java.awt.geom.Rectangle2D;
+import java.awt.geom.Line2D;
+import java.awt.print.PageFormat;
+import java.awt.print.Printable;
+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 ChatProgramm.model.GrafikModel;
+import ChatProgramm.util.OhmLogger;
+
+
+/**
+ *
+ * @author le
+ */
+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;
+  private GrafikModel model;
+  
+  private Point from = null;
+  private Point to = null;
+  
+  public GrafikView()
+  {
+    pixel = new Rectangle2D.Float();
+    line = new Line2D.Float();
+  }
+
+  public void setModel(GrafikModel model)
+  {
+    this.model = 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!
+
+    drawPath(model.getPunkte(),g2);
+
+    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 
+   */
+  @Override
+  public void paintComponent(Graphics g)
+  {
+    if (model == null) return;
+    super.paintComponent(g);
+    Graphics2D g2 = (Graphics2D)g;
+    
+    
+    model.getFiguren().forEach(figuren->
+    {
+        drawPath(figuren.getPunkte(),g2);
+    });
+  }
+  
+  public void drawPath(List<Point> path, Graphics2D g2){     
+    from = path.getFirst();
+    to = null;
+    
+     path.forEach(point->
+     {
+         to = point;
+         line.setLine(from,to);
+         g2.draw(line);
+         from = to;
+           
+     });
+  }
+  
+  
+  public void doPrint()
+  {
+    HashPrintRequestAttributeSet printSet =
+     new HashPrintRequestAttributeSet();
+    printSet.add(DialogTypeSelection.NATIVE);
+    PrinterJob pj = PrinterJob.getPrinterJob();
+    pj.setPrintable(this);
+    //Dialog
+    if (pj.printDialog(printSet))
+    {
+      try
+      {
+        pj.print(printSet);
+      }
+      catch (Exception ex)
+      {
+        JOptionPane.showMessageDialog(this, ex.toString());
+      }
+    }
+  }
+
+  @Override
+  public int print(Graphics gp, PageFormat pf, int pageIndex) throws PrinterException
+  {
+    Graphics2D g2p = (Graphics2D)gp;
+    if (pageIndex == 0)
+    {
+      g2p.translate(pf.getImageableX(), pf.getImageableY());
+      g2p.scale(pf.getImageableWidth() / this.getWidth(),
+                pf.getImageableHeight() / this.getHeight());
+      super.print(g2p);
+      return Printable.PAGE_EXISTS;
+    }
+    else
+    {
+      return Printable.NO_SUCH_PAGE; // wichtig sonst Papiervernichtung
+    }
+  }
+}