letzter Stand

src/graphicChat/Start.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package graphicChat;
+
+import javax.swing.JFrame;
+import javax.swing.WindowConstants;
+import graphicChat.controller.CommandConnect;
+import graphicChat.controller.CommandSend;
+import graphicChat.controller.GraphicsController;
+import graphicChat.controller.ReceiveAdapter;
+import graphicChat.view.ChatView;
+import graphicChat.model.ChatModel;
+import javax.swing.JOptionPane;
+import javax.swing.UIManager;
+/**
+ * Builder Class
+ * @author le
+ */
+public class Start
+{
+  public Start()
+  {
+    JFrame frm = new JFrame();
+    frm.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+
+    ChatView view = new ChatView();
+    ChatModel model = new ChatModel();
+    view.getGrafikView1().setModel(model);
+    
+    GraphicsController controller = new GraphicsController(view.getGrafikView1(), model);
+    controller.registerEvents();
+    
+    CommandConnect cmdConnect = new CommandConnect(view, model);
+    cmdConnect.registerEvents();
+    
+    CommandSend cmdSend = new CommandSend(view, model);
+    cmdSend.registerEvents();
+    
+    ReceiveAdapter recAdapter = new ReceiveAdapter(view, model);
+    recAdapter.subscribe();
+    
+    view.setVisible(true);
+    view.setTitle("Chat");
+
+    view.setSize(800, 600);
+    view.setVisible(true);
+
+  }
+
+  /**
+   * @param args the command line arguments
+   */
+  public static void main(String[] args) 
+  {
+    try
+    {
+      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
+    }
+    catch (Exception ex)
+    {
+      JOptionPane.showMessageDialog(null, ex.toString());
+    }
+    new Start();
+    new Start();
+  }
+}

src/graphicChat/controller/CommandConnect.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package graphicChat.controller;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.IOException;
+import java.util.logging.Logger;
+import graphicChat.logger.OhmLogger;
+import graphicChat.model.ChatModel;
+import graphicChat.view.ChatView;
+
+/**
+ *
+ * @author hd, chris
+ */
+public class CommandConnect implements ActionListener
+{
+    
+  private static Logger lg = OhmLogger.getLogger();
+  ChatView view;
+  ChatModel model;
+  
+  private static final int PORT = 35000;
+  private static final String IP_ADRESSE = "127.0.0.1";
+  
+    
+  public CommandConnect(ChatView view, ChatModel model)
+  {   
+    this.view = view;
+    this.model = model;
+  }
+  
+  public void registerEvents(){
+    view.getBtnServer().addActionListener(this);
+    view.getBtnClient().addActionListener(this);
+  }
+
+  @Override
+  public void actionPerformed(ActionEvent e) {
+    
+    Object src = e.getSource();
+
+    // connect to server
+    if(src == view.getBtnServer()){
+      synchronized (this){
+        try {
+          view.getLblType().setText("Server");
+          model.setServer(PORT);
+        } catch (IOException ex) {
+          lg.severe(ex.toString());
+        }
+      }
+    }
+
+    // connect to client
+    if(src == view.getBtnClient()){
+      synchronized (this){
+        try {
+          view.getLblType().setText("Client");
+          model.setClient(PORT, IP_ADRESSE);
+          
+        } catch (IOException ex) {
+          lg.severe(ex.toString());
+        }
+      }
+    }
+  }
+}

src/graphicChat/controller/CommandSend.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package graphicChat.controller;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.logging.Logger;
+import graphicChat.logger.OhmLogger;
+import graphicChat.model.ChatModel;
+import graphicChat.model.Figure;
+import graphicChat.view.ChatView;
+import java.util.List;
+
+
+
+/**
+ *
+ * @author hd, christ
+ */
+public class CommandSend implements ActionListener
+{
+  private static Logger lg = OhmLogger.getLogger();
+  ChatView view;
+  ChatModel model;
+  private List<Figure> msg;
+  
+  public CommandSend(ChatView view, ChatModel model)
+  {
+    this.view = view;
+    this.model = model;
+  }
+  
+  
+  public void registerEvents(){
+    view.getBtnSend().addActionListener(this);
+  }
+
+  @Override
+  public void actionPerformed(ActionEvent e)
+  {
+    Object src = e.getSource();
+    
+    if(src == view.getBtnSend()){
+      /* view get figures*/
+      msg = model.getFigures();
+
+      model.sendMessage(msg);
+      view.getLblStatus().setText("Nachricht gesendet");
+    }      
+  }
+}

src/mvcgrafik/controller/GrafikController.java → src/graphicChat/controller/GraphicsController.java

  * and open the template in the editor.
  */
 
-package mvcgrafik.controller;
+package graphicChat.controller;
 
 import java.awt.Point;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
 import java.awt.event.MouseMotionListener;
 import java.util.logging.Logger;
-import mvcgrafik.model.Figure;
-import mvcgrafik.model.GrafikModel;
-import mvcgrafik.logger.OhmLogger;
-import mvcgrafik.view.GrafikView;
+import graphicChat.model.Figure;
+import graphicChat.model.ChatModel;
+import graphicChat.logger.OhmLogger;
+import graphicChat.view.Surface;
 
 
 /**
  *
  * @author le
  */
-public class GrafikController implements MouseMotionListener, MouseListener
+public class GraphicsController implements MouseMotionListener, MouseListener
 {
-  private GrafikView view;
-  private GrafikModel model;
+  private Surface view;
+  private ChatModel model;
   private Figure figure;
   private Point p_old;
   private static Logger lg = OhmLogger.getLogger();
   
-  public GrafikController(GrafikView view, GrafikModel model)
+  public GraphicsController(Surface view, ChatModel model)
   {
     this.view = view;
     this.model = model;
     }
     Point p = evt.getPoint();
     if(p_old != null){
-//      view.drawLine(p, p_old);
         view.drawLine(p, p_old);
     }
     p_old = p;
     p_old = null;
     figure = null;
     lg.info("Figure finished");
-    if (evt.getButton() == MouseEvent.BUTTON3)
-    {
-//      view.doPrint();
-      view.doPrint();
-    }
   }
 
   @Override

src/graphicChat/controller/ReceiveAdapter.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package graphicChat.controller;
+
+import java.util.concurrent.Flow;
+import java.util.logging.Logger;
+import graphicChat.logger.OhmLogger;
+import graphicChat.model.ChatModel;
+import graphicChat.model.Figure;
+import graphicChat.view.ChatView;
+import java.util.List;
+
+/**
+ *
+ * @author hd, chris
+ */
+
+public class ReceiveAdapter implements Flow.Subscriber<List<Figure>>
+{
+  private static Logger lg = OhmLogger.getLogger();
+  
+  private ChatView view;
+  private ChatModel model;
+  private Flow.Subscription subscription;
+    
+  public ReceiveAdapter(ChatView view, ChatModel model)
+  {
+    this.view = view;
+    this.model = model;
+  }
+  
+  public void subscribe()
+  {
+    model.addSubscription(this);
+  }
+
+  @Override
+  public void onSubscribe(Flow.Subscription subscription)
+  {
+    this.subscription = subscription;
+    subscription.request(1);
+  }
+
+  @Override
+  public void onNext(List<Figure> msg)
+  {
+    view.getLblStatus().setText("Nachricht empfangen");
+    model.addList(msg);
+    subscription.request(1);
+  }
+
+  @Override
+  public void onError(Throwable throwable)
+  {
+  }
+
+  @Override
+  public void onComplete()
+  {
+  }
+
+
+}

src/mvcgrafik/logger/MyFormatter.java → src/graphicChat/logger/MyFormatter.java

  * and open the template in the editor.
  */
 
-package mvcgrafik.logger;
+package graphicChat.logger;
 
 import java.util.Date;
 import java.util.logging.Formatter;

src/mvcgrafik/logger/OhmLogger.java → src/graphicChat/logger/OhmLogger.java

  * To change this template file, choose Tools | Templates
  * and open the template in the editor.
  */
-package mvcgrafik.logger;
+package graphicChat.logger;
 
 
-import mvcgrafik.logger.MyFormatter;
+import graphicChat.logger.MyFormatter;
 import java.io.File;
 import java.io.IOException;
 import java.util.logging.*;

src/graphicChat/model/ChatModel.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package graphicChat.model;
+
+
+import graphicChat.logger.OhmLogger;
+
+import java.io.BufferedReader;
+
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Flow;
+import java.util.concurrent.SubmissionPublisher;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.util.List;
+
+/**
+ *
+ * @author hd, chris
+ */
+public class ChatModel implements Runnable
+{
+  private static final Logger lg = OhmLogger.getLogger();
+  
+  private final ExecutorService eService;
+  private final SubmissionPublisher<List<Figure>> iPublisher;  
+  private volatile boolean laufend;
+  private final GraphicData gdata;
+  
+  List<Figure> msg;
+  
+  BufferedReader in;
+  PrintWriter out;
+  ObjectInputStream objectisr;
+  
+  private Socket socket;
+
+  
+  public ChatModel()
+  {
+    laufend = false;
+    iPublisher = new SubmissionPublisher<>();
+    eService = Executors.newSingleThreadExecutor();    
+    gdata = new GraphicData();
+  }
+
+  public void addSubscription(Flow.Subscriber<List<Figure>> subscriber)
+  {
+    iPublisher.subscribe(subscriber);
+  }
+  
+  public synchronized void start(){
+    laufend = true;
+    eService.submit(this);
+    this.notifyAll();//muss sync
+    lg.info("startet");
+  }
+
+  @Override
+  public void run()
+  { 
+    while(true){
+      try {
+        try
+        {
+          msg = (List<Figure>)objectisr.readObject();
+        }
+        catch (ClassNotFoundException ex)
+        {
+          lg.log(Level.SEVERE, null, ex);
+        }
+        lg.info("Nachricht empfangen: ");
+        addList(msg);
+        iPublisher.submit(msg);//wenn neue Nachricht
+      } catch (IOException ex) {
+        lg.log(Level.SEVERE, ex.toString());
+      }
+    } 
+  }
+
+  public void setSocket(Socket s) throws IOException {
+    lg.info("start communication\n");
+    InputStream iStream = s.getInputStream();
+    OutputStream oStream = s.getOutputStream();
+    
+    ObjectInputStream oisr = new ObjectInputStream(iStream);
+    InputStreamReader isr = new InputStreamReader(iStream, "UTF-8");
+    OutputStreamWriter osr = new OutputStreamWriter(oStream, "UTF-8");
+
+
+//    BufferedWriter out = new BufferedWriter(osr);
+    objectisr = oisr;
+    out = new PrintWriter(osr);
+    in = new BufferedReader(isr);
+    start();
+  }
+  
+  public void setClient(int PORT, String IP_ADRESSE) throws IOException
+  {
+    Thread connectThread;
+    connectThread = new Thread(new Runnable() {
+      @Override
+      public void run() {
+        try {
+          lg.info("Client: verbinde ...");
+          Socket s = new Socket(IP_ADRESSE, PORT); // Achtung: blockiert!
+          lg.info("Client: Verbindung hergestellt");
+          setSocket(s);
+        } catch (IOException e) {
+          lg.info("io exception in setClient");
+        }
+      }
+    });
+    connectThread.start();
+  }
+  
+  public void setServer(int PORT) throws IOException
+  {
+    Thread connectThread;
+    connectThread = new Thread(new Runnable() {
+      @Override
+      public void run() {
+        try {
+          ServerSocket sSocket = new ServerSocket(PORT);
+          lg.info("Server: Warte auf Verbindung ...");
+          Socket s = sSocket.accept(); // Achtung: blockiert!
+          lg.info("Server: Verbindung akzeptiert");
+          setSocket(s);
+        } catch (IOException e) {
+          lg.info("io exception in setServer");
+        }
+      }
+    });
+    connectThread.start();
+  }
+
+  public void sendMessage(List<Figure> msg)
+  {
+    if(laufend){
+      lg.log(Level.INFO, "Sende Nachricht: ");
+      out.println(msg);
+      out.flush();
+    }
+    else{
+      lg.log(Level.INFO, "Keine Verbindung!");
+    }
+  }
+  
+  public Figure addFigure()
+  {
+    return gdata.addFigure();
+  }
+
+  public List<Figure> getFigures()
+  {
+    return gdata.getFigures();
+  }
+  public void addList(List<Figure> list)
+  {
+    gdata.addList(list);  
+  }
+  
+//  public void speichereDatei(String dateiname) throws FileNotFoundException, IOException
+//  {
+//    FileOutputStream fos = new FileOutputStream(dateiname);
+//    BufferedOutputStream buffout = new BufferedOutputStream(fos);
+//    ObjectOutputStream oos = new ObjectOutputStream(buffout);
+//    oos.writeObject(figures);
+//    oos.flush();
+//    oos.close();
+//
+//  }
+//
+//  public void ladeDatei(String dateiname) throws FileNotFoundException, IOException, ClassNotFoundException
+//  {
+//    FileInputStream fis = new FileInputStream(dateiname);
+//    BufferedInputStream buffin = new BufferedInputStream(fis);
+//    ObjectInputStream ois = new ObjectInputStream(buffin);
+//    Object obj = ois.readObject();
+////     if (obj instanceof ArrayList)
+////     {
+////       punkte = (ArrayList<Point>) obj;
+////     }
+////     else
+////     {
+////       Fehler ....
+////     }
+//    figures =  (ArrayList<Figure>) ois.readObject();
+//    ois.close();
+//  }
+  
+}

src/mvcgrafik/model/Figure.java → src/graphicChat/model/Figure.java

  * and open the template in the editor.
  */
 
-package mvcgrafik.model;
+package graphicChat.model;
 
 import java.awt.Point;
 import java.util.ArrayList;

src/graphicChat/model/GraphicData.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package graphicChat.model;
+
+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;
+
+/**
+ *
+ * @author hd, chris
+ */
+public class GraphicData 
+{
+  private ArrayList<Figure> figures;
+  public GraphicData()
+  {
+    figures = new ArrayList<>();
+  
+  }
+  
+  public void addList(List<Figure> list)
+  {
+    figures.addAll(list);  
+  }
+  public Figure addFigure()
+  {
+    figures.add(new Figure());
+    return figures.get(figures.size() - 1);
+  }
+
+  public List<Figure> getFigures()
+  {
+    return Collections.unmodifiableList(figures);
+  }
+}

src/mvcgrafik/view/GrafikMenuView.form → src/graphicChat/view/ChatView.form

 <?xml version="1.0" encoding="UTF-8" ?>
 
 <Form version="1.3" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JFrameFormInfo">
-  <NonVisualComponents>
-    <Component class="javax.swing.JFileChooser" name="jFileChooser1">
-    </Component>
-    <Menu class="javax.swing.JMenuBar" name="jMenuBar1">
-      <SubComponents>
-        <Menu class="javax.swing.JMenu" name="jMenu1">
-          <Properties>
-            <Property name="text" type="java.lang.String" value="File"/>
-          </Properties>
-          <SubComponents>
-            <MenuItem class="javax.swing.JMenuItem" name="btnOpen">
-              <Properties>
-                <Property name="text" type="java.lang.String" value="Open"/>
-              </Properties>
-              <Events>
-                <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnOpenActionPerformed"/>
-              </Events>
-            </MenuItem>
-            <MenuItem class="javax.swing.JMenuItem" name="btnSafe">
-              <Properties>
-                <Property name="text" type="java.lang.String" value="Safe"/>
-              </Properties>
-              <Events>
-                <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnSafeActionPerformed"/>
-              </Events>
-            </MenuItem>
-          </SubComponents>
-        </Menu>
-        <Menu class="javax.swing.JMenu" name="jMenu2">
-          <Properties>
-            <Property name="text" type="java.lang.String" value="Edit"/>
-          </Properties>
-        </Menu>
-      </SubComponents>
-    </Menu>
-  </NonVisualComponents>
   <Properties>
     <Property name="defaultCloseOperation" type="int" value="3"/>
     <Property name="title" type="java.lang.String" value="Zeichentool"/>
   </Properties>
   <SyntheticProperties>
-    <SyntheticProperty name="menuBar" type="java.lang.String" value="jMenuBar1"/>
     <SyntheticProperty name="formSizePolicy" type="int" value="1"/>
     <SyntheticProperty name="generateCenter" type="boolean" value="false"/>
   </SyntheticProperties>
     <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
     <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
     <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
-    <AuxValue name="designerSize" type="java.awt.Dimension" value="-84,-19,0,5,115,114,0,18,106,97,118,97,46,97,119,116,46,68,105,109,101,110,115,105,111,110,65,-114,-39,-41,-84,95,68,20,2,0,2,73,0,6,104,101,105,103,104,116,73,0,5,119,105,100,116,104,120,112,0,0,1,44,0,0,1,-112"/>
+    <AuxValue name="designerSize" type="java.awt.Dimension" value="-84,-19,0,5,115,114,0,18,106,97,118,97,46,97,119,116,46,68,105,109,101,110,115,105,111,110,65,-114,-39,-41,-84,95,68,20,2,0,2,73,0,6,104,101,105,103,104,116,73,0,5,119,105,100,116,104,120,112,0,0,1,48,0,0,1,-52"/>
   </AuxValues>
 
   <Layout class="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout"/>
       <Layout>
         <DimensionLayout dim="0">
           <Group type="103" groupAlignment="0" attributes="0">
-              <Component id="grafikView1" alignment="0" pref="400" max="32767" attributes="0"/>
+              <Component id="grafikView1" alignment="0" max="32767" attributes="0"/>
           </Group>
         </DimensionLayout>
         <DimensionLayout dim="1">
         </DimensionLayout>
       </Layout>
       <SubComponents>
-        <Container class="mvcgrafik.view.GrafikView" name="grafikView1">
+        <Container class="graphicChat.view.Surface" name="grafikView1">
 
           <Layout class="org.netbeans.modules.form.compat2.layouts.DesignAbsoluteLayout">
             <Property name="useNullLayout" type="boolean" value="true"/>
         </Container>
       </SubComponents>
     </Container>
+    <Container class="javax.swing.JPanel" name="jPanel2">
+      <Constraints>
+        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout" value="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout$BorderConstraintsDescription">
+          <BorderConstraints direction="First"/>
+        </Constraint>
+      </Constraints>
+
+      <Layout class="org.netbeans.modules.form.compat2.layouts.DesignGridLayout">
+        <Property name="columns" type="int" value="0"/>
+        <Property name="rows" type="int" value="1"/>
+      </Layout>
+      <SubComponents>
+        <Component class="javax.swing.JLabel" name="lblType">
+        </Component>
+        <Component class="javax.swing.JButton" name="btnClient">
+          <Properties>
+            <Property name="text" type="java.lang.String" value="Client"/>
+          </Properties>
+          <Events>
+            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnClientActionPerformed"/>
+          </Events>
+        </Component>
+        <Component class="javax.swing.JButton" name="btnServer">
+          <Properties>
+            <Property name="text" type="java.lang.String" value="Server"/>
+          </Properties>
+          <Events>
+            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnServerActionPerformed"/>
+          </Events>
+        </Component>
+      </SubComponents>
+    </Container>
+    <Component class="javax.swing.JButton" name="btnSend">
+      <Properties>
+        <Property name="text" type="java.lang.String" value="Send"/>
+      </Properties>
+      <Events>
+        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="btnSendActionPerformed"/>
+      </Events>
+      <Constraints>
+        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout" value="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout$BorderConstraintsDescription">
+          <BorderConstraints direction="After"/>
+        </Constraint>
+      </Constraints>
+    </Component>
+    <Component class="javax.swing.JLabel" name="lblStatus">
+      <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>
   </SubComponents>
 </Form>

src/mvcgrafik/view/GrafikMenuView.java → src/graphicChat/view/ChatView.java

  * To change this template file, choose Tools | Templates
  * and open the template in the editor.
  */
-package mvcgrafik.view;
+package graphicChat.view;
 
 /**
  *
  * @author hd
  */
-public class GrafikMenuView extends javax.swing.JFrame
+public class ChatView extends javax.swing.JFrame
 {
 
+  /**
+   * @return the btnClient
+   */
+  public javax.swing.JButton getBtnClient()
+  {
+    return btnClient;
+  }
+
+  /**
+   * @return the btnSend
+   */
+  public javax.swing.JButton getBtnSend()
+  {
+    return btnSend;
+  }
+
+  /**
+   * @return the btnServer
+   */
+  public javax.swing.JButton getBtnServer()
+  {
+    return btnServer;
+  }
+
+  /**
+   * @return the lblStatus
+   */
+  public javax.swing.JLabel getLblStatus()
+  {
+    return lblStatus;
+  }
+
+  /**
+   * @return the lblType
+   */
+  public javax.swing.JLabel getLblType()
+  {
+    return lblType;
+  }
+
   /**
    * @return the jPanel1
    */
   /**
    * Creates new form GrafikMenuView
    */
-  public GrafikMenuView()
+  public ChatView()
   {
     initComponents();
   }
   private void initComponents()
   {
 
-    jFileChooser1 = new javax.swing.JFileChooser();
     jPanel1 = new javax.swing.JPanel();
-    grafikView1 = new mvcgrafik.view.GrafikView();
-    jMenuBar1 = new javax.swing.JMenuBar();
-    jMenu1 = new javax.swing.JMenu();
-    btnOpen = new javax.swing.JMenuItem();
-    btnSafe = new javax.swing.JMenuItem();
-    jMenu2 = new javax.swing.JMenu();
+    grafikView1 = new graphicChat.view.Surface();
+    jPanel2 = new javax.swing.JPanel();
+    lblType = new javax.swing.JLabel();
+    btnClient = new javax.swing.JButton();
+    btnServer = new javax.swing.JButton();
+    btnSend = new javax.swing.JButton();
+    lblStatus = new javax.swing.JLabel();
 
     setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
     setTitle("Zeichentool");
     jPanel1.setLayout(jPanel1Layout);
     jPanel1Layout.setHorizontalGroup(
       jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-      .addComponent(grafikView1, javax.swing.GroupLayout.DEFAULT_SIZE, 400, Short.MAX_VALUE)
+      .addComponent(grafikView1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
     );
     jPanel1Layout.setVerticalGroup(
       jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 
     getContentPane().add(jPanel1, java.awt.BorderLayout.CENTER);
 
-    jMenu1.setText("File");
+    jPanel2.setLayout(new java.awt.GridLayout(1, 0));
+    jPanel2.add(lblType);
 
-    btnOpen.setText("Open");
-    btnOpen.addActionListener(new java.awt.event.ActionListener()
+    btnClient.setText("Client");
+    btnClient.addActionListener(new java.awt.event.ActionListener()
     {
       public void actionPerformed(java.awt.event.ActionEvent evt)
       {
-        btnOpenActionPerformed(evt);
+        btnClientActionPerformed(evt);
       }
     });
-    jMenu1.add(btnOpen);
+    jPanel2.add(btnClient);
 
-    btnSafe.setText("Safe");
-    btnSafe.addActionListener(new java.awt.event.ActionListener()
+    btnServer.setText("Server");
+    btnServer.addActionListener(new java.awt.event.ActionListener()
     {
       public void actionPerformed(java.awt.event.ActionEvent evt)
       {
-        btnSafeActionPerformed(evt);
+        btnServerActionPerformed(evt);
       }
     });
-    jMenu1.add(btnSafe);
-
-    jMenuBar1.add(jMenu1);
+    jPanel2.add(btnServer);
 
-    jMenu2.setText("Edit");
-    jMenuBar1.add(jMenu2);
+    getContentPane().add(jPanel2, java.awt.BorderLayout.PAGE_START);
 
-    setJMenuBar(jMenuBar1);
+    btnSend.setText("Send");
+    btnSend.addActionListener(new java.awt.event.ActionListener()
+    {
+      public void actionPerformed(java.awt.event.ActionEvent evt)
+      {
+        btnSendActionPerformed(evt);
+      }
+    });
+    getContentPane().add(btnSend, java.awt.BorderLayout.LINE_END);
+    getContentPane().add(lblStatus, java.awt.BorderLayout.PAGE_END);
 
     pack();
   }// </editor-fold>//GEN-END:initComponents
 
-  private void btnOpenActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnOpenActionPerformed
-  {//GEN-HEADEREND:event_btnOpenActionPerformed
+  private void btnClientActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnClientActionPerformed
+  {//GEN-HEADEREND:event_btnClientActionPerformed
+    // TODO add your handling code here:
+  }//GEN-LAST:event_btnClientActionPerformed
+
+  private void btnServerActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnServerActionPerformed
+  {//GEN-HEADEREND:event_btnServerActionPerformed
     // TODO add your handling code here:
-  }//GEN-LAST:event_btnOpenActionPerformed
+  }//GEN-LAST:event_btnServerActionPerformed
 
-  private void btnSafeActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnSafeActionPerformed
-  {//GEN-HEADEREND:event_btnSafeActionPerformed
+  private void btnSendActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnSendActionPerformed
+  {//GEN-HEADEREND:event_btnSendActionPerformed
     // TODO add your handling code here:
-  }//GEN-LAST:event_btnSafeActionPerformed
+  }//GEN-LAST:event_btnSendActionPerformed
 
   /**
    * @param args the command line arguments
     }
     catch (ClassNotFoundException ex)
     {
-      java.util.logging.Logger.getLogger(GrafikMenuView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
+      java.util.logging.Logger.getLogger(ChatView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
     }
     catch (InstantiationException ex)
     {
-      java.util.logging.Logger.getLogger(GrafikMenuView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
+      java.util.logging.Logger.getLogger(ChatView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
     }
     catch (IllegalAccessException ex)
     {
-      java.util.logging.Logger.getLogger(GrafikMenuView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
+      java.util.logging.Logger.getLogger(ChatView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
     }
     catch (javax.swing.UnsupportedLookAndFeelException ex)
     {
-      java.util.logging.Logger.getLogger(GrafikMenuView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
+      java.util.logging.Logger.getLogger(ChatView.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
     }
     //</editor-fold>
+    //</editor-fold>
 
     /* Create and display the form */
     java.awt.EventQueue.invokeLater(new Runnable()
     {
       public void run()
       {
-        new GrafikMenuView().setVisible(true);
+        new ChatView().setVisible(true);
       }
     });
   }
 
   // Variables declaration - do not modify//GEN-BEGIN:variables
-  private javax.swing.JMenuItem btnOpen;
-  private javax.swing.JMenuItem btnSafe;
-  private mvcgrafik.view.GrafikView grafikView1;
-  private javax.swing.JFileChooser jFileChooser1;
-  private javax.swing.JMenu jMenu1;
-  private javax.swing.JMenu jMenu2;
-  private javax.swing.JMenuBar jMenuBar1;
+  private javax.swing.JButton btnClient;
+  private javax.swing.JButton btnSend;
+  private javax.swing.JButton btnServer;
+  private graphicChat.view.Surface grafikView1;
   private javax.swing.JPanel jPanel1;
+  private javax.swing.JPanel jPanel2;
+  private javax.swing.JLabel lblStatus;
+  private javax.swing.JLabel lblType;
   // End of variables declaration//GEN-END:variables
 
   /**
    * @return the grafikView1
    */
-  public mvcgrafik.view.GrafikView getGrafikView1()
+  public graphicChat.view.Surface getGrafikView1()
   {
     return grafikView1;
   }
 
-  /**
-   * @return the jFileChooser1
-   */
-  public javax.swing.JFileChooser getjFileChooser1()
-  {
-    return jFileChooser1;
-  }
-
-  /**
-   * @return the btnOpen
-   */
-  public javax.swing.JMenuItem getBtnOpen()
-  {
-    return btnOpen;
-  }
-
-  /**
-   * @return the btnSafe
-   */
-  public javax.swing.JMenuItem getBtnSafe()
-  {
-    return btnSafe;
-  }
 }

src/mvcgrafik/view/GrafikView.java → src/graphicChat/view/Surface.java

  * To change this template file, choose Tools | Templates
  * and open the template in the editor.
  */
-package mvcgrafik.view;
+package graphicChat.view;
 
 import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.Point;
 import java.awt.geom.Line2D;
 import java.awt.geom.Rectangle2D;
-import java.awt.print.PageFormat;
-import java.awt.print.Printable;
-import java.awt.print.PrinterException;
-import java.awt.print.PrinterJob;
 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.logger.OhmLogger;
+import graphicChat.logger.OhmLogger;
+import graphicChat.model.ChatModel;
 
 /**
  *
  * @author hd, chris
  */
-public class GrafikView extends JComponent implements Printable
+public class Surface extends JComponent
 {
   private final static Dimension EINS = new Dimension(1, 1);
   private static Logger lg = OhmLogger.getLogger();
   private Rectangle2D.Float pixel;
-  private GrafikModel model;
+  private ChatModel model;
   private Point old_punkt = null;
 
-  public GrafikView()
+  public Surface()
   {
     pixel = new Rectangle2D.Float();
     this.setBackground(Color.WHITE);
   }
 
-  public void setModel(GrafikModel model)
+  public void setModel(ChatModel model)
   {
     this.model = model;
   }
     Graphics2D g2 = (Graphics2D) this.getGraphics();
     Line2D.Double line = new Line2D.Double(p.getX(),p.getY(),p_old.getX(),p_old.getY());
     g2.draw(line);
-    g2.dispose(); // VERY, VERY WICHTIG
+    g2.dispose(); // VERY, VERY IMPORTANT
   }
   public void drawLineG2(Point p, Point p_old, Graphics2D g2)
   {
       });
     });
   }
-  
-  public void doPrint()
-  {
-    HashPrintRequestAttributeSet printSet = 
-      new HashPrintRequestAttributeSet();
-    printSet.add(DialogTypeSelection.NATIVE);
-    PrinterJob pj = PrinterJob.getPrinterJob();
-    pj.setPrintable(this);
-    // Druckdialog
-    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 == 1)
-    {
-      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;
-    }
-  }
 
 }

src/mvcgrafik/Start.java

-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-
-package mvcgrafik;
-
-import javax.swing.JFrame;
-import javax.swing.JPanel;
-import javax.swing.WindowConstants;
-import mvcgrafik.controller.BtnController;
-import mvcgrafik.controller.GrafikController;
-import mvcgrafik.model.GrafikModel;
-import mvcgrafik.view.GrafikMenuView;
-import mvcgrafik.view.GrafikView;
-//import mvcgrafik.ohmLogger;
-
-/**
- * Builder Class
- * @author le
- */
-public class Start
-{
-  public Start()
-  {
-    JFrame frm = new JFrame();
-    frm.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
-
-    GrafikMenuView view = new GrafikMenuView();
-    GrafikModel model = new GrafikModel();
-    view.getGrafikView1().setModel(model);
-    
-    GrafikController controller = new GrafikController(view.getGrafikView1(), model);
-    BtnController btncontroller = new BtnController(view, model);
-    controller.registerEvents();
-    btncontroller.registerEvents();
-
-    view.setSize(800, 600);
-    view.setVisible(true);
-
-  }
-
-  /**
-   * @param args the command line arguments
-   */
-  public static void main(String[] args) 
-  {
-    new Start();
-  }
-}

src/mvcgrafik/controller/BtnController.java

-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-
-package mvcgrafik.controller;
-
-import java.awt.Point;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.io.File;
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-import java.util.prefs.Preferences;
-import javax.swing.JFileChooser;
-import mvcgrafik.model.Figure;
-import mvcgrafik.model.GrafikModel;
-import mvcgrafik.view.GrafikMenuView;
-import mvcgrafik.logger.OhmLogger;
-
-
-/**
- *
- * @author le
- */
-public class BtnController implements ActionListener
-{
-  private GrafikMenuView view;
-  //private GrafikMenuView menuview;
-  private GrafikModel model;
-  private Figure figure;
-  private Point p_old;
-  private static Logger lg = OhmLogger.getLogger();
-  
-  public BtnController(GrafikMenuView view, GrafikModel model)
-  {
-    this.view = view;
-    this.model = model;
-  }
-
-  public void registerEvents()
-  {
-    view.getBtnOpen().addActionListener(this);
-    view.getBtnSafe().addActionListener(this);
-  }
-  
-  @Override
-  public void actionPerformed(ActionEvent ae)
-  {
-    if(ae.getSource() == view.getBtnSafe())
-    {
-      Preferences pref = Preferences.userNodeForPackage(this.getClass());
-      String path = pref.get("DEFAULT_PATH", "");
-      view.getjFileChooser1().setCurrentDirectory(new File(path));
-
-
-      int choice = view.getjFileChooser1().showSaveDialog(view);
-      if (choice == JFileChooser.APPROVE_OPTION)
-      {
-        File selectedFile = view.getjFileChooser1().getSelectedFile();      
-        pref.put("DEFAULT_PATH", selectedFile.getAbsolutePath());
-        try
-        {
-          //model.datenSpeichern(selectedFile);
-          model.speichereDatei("TEST");
-        }
-        catch (UnsupportedEncodingException ex)
-        {
-          Logger.getLogger(GrafikController.class.getName()).log(Level.SEVERE, null, ex);
-        }
-        catch (IOException ex)
-        {
-          Logger.getLogger(GrafikController.class.getName()).log(Level.SEVERE, null, ex);
-        }
-      }
-    }
-    if(ae.getSource() == view.getBtnOpen())
-    {
-      Preferences pref = Preferences.userNodeForPackage(this.getClass());
-      String path = pref.get("DEFAULT_PATH", "");
-      view.getjFileChooser1().setCurrentDirectory(new File(path));
-
-      int choice = view.getjFileChooser1().showOpenDialog(view);
-      if (choice == JFileChooser.APPROVE_OPTION)
-      {
-        File selectedFile = view.getjFileChooser1().getSelectedFile();
-
-        pref.put("DEFAULT_PATH", selectedFile.getAbsolutePath());
-        try
-        {
-          //model.datenLesen(selectedFile);
-          model.ladeDatei("TEST");
-        }
-        catch (UnsupportedEncodingException ex)
-        {
-          Logger.getLogger(GrafikController.class.getName()).log(Level.SEVERE, null, ex);
-        }
-        catch (IOException | ClassNotFoundException ex)
-        {
-          Logger.getLogger(GrafikController.class.getName()).log(Level.SEVERE, null, ex);
-        }
-      }
-    }
-  }
-}
-

src/mvcgrafik/model/GrafikModel.java

-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-
-package mvcgrafik.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;
-
-/**
- *
- * @author le
- */
-public class GrafikModel
-{
-  private ArrayList<Figure> figures;
-  
-  public GrafikModel()
-  {
-    figures = new ArrayList<>();
-  }
-  
-  public Figure addFigure()
-  {
-    figures.add(new Figure());
-    return figures.get(figures.size() - 1);
-  }
-
-  public List<Figure> getFigures()
-  {
-    return Collections.unmodifiableList(figures);
-  }
-  
-  public void speichereDatei(String dateiname) throws FileNotFoundException, IOException
-  {
-    FileOutputStream fos = new FileOutputStream(dateiname);
-    BufferedOutputStream buffout = new BufferedOutputStream(fos);
-    ObjectOutputStream oos = new ObjectOutputStream(buffout);
-    oos.writeObject(figures);
-    oos.flush();
-    oos.close();
-
-  }
-
-  public void ladeDatei(String dateiname) throws FileNotFoundException, IOException, ClassNotFoundException
-  {
-    FileInputStream fis = new FileInputStream(dateiname);
-    BufferedInputStream buffin = new BufferedInputStream(fis);
-    ObjectInputStream ois = new ObjectInputStream(buffin);
-    Object obj = ois.readObject();
-//     if (obj instanceof ArrayList)
-//     {
-//       punkte = (ArrayList<Point>) obj;
-//     }
-//     else
-//     {
-//       Fehler ....
-//     }
-    figures =  (ArrayList<Figure>) ois.readObject();
-    ois.close();
-  }
-}