Neuer Commit 10.11.2020

nbproject/project.properties

 jlink.additionalparam=
 jlink.launcher=true
 jlink.launcher.name=Adressverwaltung
-main.class=adressverwaltung.main
+main.class=adressverwaltung.Main
 manifest.file=manifest.mf
 meta.inf.dir=${src.dir}/META-INF
 mkdist.disabled=false

src/command/commands/CommandEintragHinzufuegen.java

 
     @Override
     public void undo() {
-        
+        this.model.eintragLoeschen(this.model.getRowCount()-1); 
     }
-
+    
     @Override
     public boolean isUndoable() {
         return true;

src/command/commands/CommandOpenFile.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 command.commands;
+
+import command.CommandInterface;
+import java.awt.event.ActionEvent;
+import java.io.File;
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.util.ArrayList;
+import java.util.prefs.Preferences;
+import javax.swing.JFileChooser;
+import model.AdressVerwaltungModel;
+import view.MainWindow;
+
+/**
+ *
+ * @author PC
+ */
+public class CommandOpenFile implements CommandInterface{
+        private MainWindow view;
+        private AdressVerwaltungModel model;
+        private Preferences prefs;
+    
+        public CommandOpenFile(MainWindow view, AdressVerwaltungModel model) {
+        
+        this.view = view;
+        this.model = model;
+        this.prefs = model.getPreferences();
+        
+        }
+    
+        
+        
+        
+        @Override
+        public void execute() {
+        String lastDirectoryPath = prefs.get("lastFileOpened", "");
+        File file = new File(lastDirectoryPath);
+        view.getjFileChooser().setCurrentDirectory(file);
+        int wahl = view.getjFileChooser().showOpenDialog(view);
+        if(wahl == JFileChooser.APPROVE_OPTION)
+        {
+            
+            file = view.getjFileChooser().getSelectedFile();
+            view.getStatusbar().setText(file.getAbsolutePath());
+            prefs.put("lastFileOpened", file.getAbsolutePath());
+
+        try
+        {
+            model.datenLesen(file);
+        }
+        catch (UnsupportedEncodingException ex)
+        {
+            view.getStatusbar().setText(ex.toString());
+        }
+        catch (IOException | ClassNotFoundException ex )
+        {
+            view.getStatusbar().setText(ex.toString());
+        }
+            
+            
+        }
+        
+    }
+    
+
+    @Override
+    public void undo() {
+        
+    }
+
+    @Override
+    public boolean isUndoable() {
+        return false;
+    }
+    
+}

src/command/commands/CommandSaveFile.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 command.commands;
+
+import command.CommandInterface;
+import java.io.File;
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.util.prefs.Preferences;
+import javax.swing.JFileChooser;
+import model.AdressVerwaltungModel;
+import view.MainWindow;
+
+/**
+ *
+ * @author PC
+ */
+public class CommandSaveFile implements CommandInterface{
+
+        private MainWindow view;
+        private AdressVerwaltungModel model;
+        private Preferences prefs;
+    
+        public CommandSaveFile(MainWindow view, AdressVerwaltungModel model) {
+        
+        this.view = view;
+        this.model = model;
+        this.prefs = model.getPreferences();
+        
+        }
+    
+    
+    @Override
+    public void execute() {
+        int wahl = view.getjFileChooser().showSaveDialog(view);
+        if(wahl == JFileChooser.APPROVE_OPTION)
+        {
+            File file = view.getjFileChooser().getSelectedFile();
+            view.getStatusbar().setText("Datei wird gespeichert...");
+        try
+        {
+            model.datenSpeichern(file);
+        }
+        catch (UnsupportedEncodingException ex)
+        {
+            view.getStatusbar().setText(ex.toString());
+        }
+        catch (IOException  ex )
+        {
+            view.getStatusbar().setText(ex.toString());
+        }     
+        }
+    }
+
+    @Override
+    public void undo() {
+       
+    }
+
+    @Override
+    public boolean isUndoable() {
+        return false;
+    }
+    
+}

src/controller/CommandController.java

 import command.CommandInvoker;
 import command.commands.CommandEintragHinzufuegen;
 import command.commands.CommandEintragLoeschen;
+import command.commands.CommandOpenFile;
+import command.commands.CommandSaveFile;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.WindowEvent;
     private MainWindow view;
     private AdressVerwaltungModel model;
     private CommandInvoker invoker;
-    private Preferences prefs;
+    //private Preferences prefs;
     
     public CommandController(MainWindow view, AdressVerwaltungModel model)
     {
         this.view = view;
         this.model = model;
         this.invoker = new CommandInvoker();
-        this.prefs = Preferences.userRoot().node(this.getClass().getName());
-        
-        view.getjTableAdressen().setModel(model);   //Übernehme Model
+        //this.prefs = Preferences.userRoot().node(this.getClass().getName());
+       
         
         registerEvents();
         registerCommands();
     {
         view.getJpopEintragHinzufuegen().addActionListener(this);
         view.getJpopEintragLoeschen().addActionListener(this);
+        
+        view.getJbOpen().addActionListener(this);
+        view.getJbSave().addActionListener(this);
+        
+        view.getFileOpen().addActionListener(this);
+        view.getFileSave().addActionListener(this);
+        
+        view.getMiUndo().addActionListener(this);
+        
     }
     
     
     {
         CommandEintragHinzufuegen cmdHinzufuegen = new CommandEintragHinzufuegen(view, model);
         CommandEintragLoeschen cmdLoeschen = new CommandEintragLoeschen(view, model);
+        CommandSaveFile cmdSaveFile = new CommandSaveFile(view, model);
+        CommandOpenFile cmdOpenFile = new CommandOpenFile(view, model);
+        
+        
         
         invoker.addCommand(view.getJpopEintragHinzufuegen(), cmdHinzufuegen);
         invoker.addCommand(view.getJpopEintragLoeschen(), cmdLoeschen);
+        invoker.addCommand(view.getJbOpen(), cmdOpenFile);
+        invoker.addCommand(view.getJbSave(), cmdSaveFile);
+        invoker.addCommand(view.getFileOpen(), cmdOpenFile);
+        invoker.addCommand(view.getFileSave(), cmdSaveFile);
+    
     }
     
     
-
+    
+    
+    
+     /**    
+     * actionPerformed Funktion wird aufgerufen
+     * @param evt
+     * <br>
+     * Hallo Guten Tag
+     */
+    
     @Override
     public void actionPerformed(ActionEvent evt) {
         Object key = evt.getSource();
-        invoker.executeCommand(key);
+
+        if(key == view.getMiUndo())
+        {
+            invoker.undoCommand();
+        }
+        else
+        {
+            invoker.executeCommand(key);
+        }
+        
+        
+        
+
     }
 
     @Override

src/controller/OpenController.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 controller;
-
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.io.File;
-import java.util.Locale;
-import javax.swing.JFileChooser;
-import view.MainWindow;
-/**
- *
- * @author PC
- */
-public class OpenController implements ActionListener{
-    private MainWindow mainwindow;
-    
-    public OpenController(MainWindow mainwindow)
-    {
-        this.mainwindow = mainwindow;
-        registerEvents();
-    }
-    public void registerEvents()
-    {
-        mainwindow.getJbOpen().addActionListener(this);
-        mainwindow.getFileOpen().addActionListener(this);
-    }
-
-    @Override
-    public void actionPerformed(ActionEvent ae) {
-        int wahl = mainwindow.getjFileChooser().showOpenDialog(mainwindow);
-        if(wahl == JFileChooser.APPROVE_OPTION)
-        {
-            File file = mainwindow.getjFileChooser().getSelectedFile();
-            mainwindow.getStatusbar().setText(file.getAbsolutePath());
-            
-        }
-        
-    }
-}

src/model/AdressVerwaltungModel.java

 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.util.ArrayList;
+import java.util.prefs.Preferences;
 import javax.swing.table.AbstractTableModel;
 
 /**
   private ArrayList<ArrayList<String>> daten;
   private ArrayList<String> adressEintraegeDaten;
   private ArrayList<String> adressEintraegeNamen;
+  private Preferences prefs;
   
   
     /**
      */
     public AdressVerwaltungModel()
   {
+      
+    initializePreferences();
+      
+      
     adressEintraegeDaten = new ArrayList<>();
     adressEintraegeNamen = new ArrayList<>();
     daten = new ArrayList<>();
     return adressEintraegeNamen.get(col);
   }
   
+  public Preferences getPreferences()
+  {
+      return this.prefs;
+  }
+  
+  public void initializePreferences()
+  {
+    this.prefs = Preferences.userRoot().node(this.getClass().getName());
+  }
+  
   public ArrayList<String> getLastRowData()
   {
       ArrayList<String> lastRow = new ArrayList<>();

src/view/MainWindow.java

         return jpopEintragLoeschen;
     }
 
+    
+    
+    
     /**
      * Creates new form MainFrame
      */
     public void setjTableAdressen(javax.swing.JTable jTableAdressen) {
         this.jTableAdressen = jTableAdressen;
     }
+
+    /**
+     * @return the miUndo
+     */
+    public javax.swing.JMenuItem getMiUndo() {
+        return miUndo;
+    }
 }