finished d-f

src/Foto.java

@@ -1,32 +1,16 @@
-public class Foto {
+public class Foto extends Medien {
-    private String name;
-    private int ref1;
-    private int ref2;
     private int height;
     private int width;
     private String fileformat;
 
-    public Foto(String name, int ref1, int ref2, int height, int width, String fileformat) {
+    public Foto(String name, int rating, int nrused, String fileformat, int height, int width) {
-        this.name = name;
+        super(name, rating, nrused);
-        this.ref1 = ref1;
-        this.ref2 = ref2;
         this.height = height;
         this.width = width;
         this.fileformat = fileformat;
     }
 
-    public Foto() { }
+    public Foto() {
-
-    public String getName() {
-        return name;
-    }
-
-    public int getRef1() {
-        return ref1;
-    }
-
-    public int getRef2() {
-        return ref2;
     }
 
     public int getHeight() {

src/MediaController.java

@@ -2,16 +2,16 @@ import javax.swing.*;
 import javax.swing.event.ListSelectionEvent;
 import javax.swing.event.ListSelectionListener;
 import javax.swing.filechooser.FileNameExtensionFilter;
+import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.io.*;
 import java.util.ArrayList;
-import java.util.Collection;
 
 public class MediaController implements ActionListener, ListSelectionListener {
     MediaView mv = new MediaView(this, this);
     //TODO: Collection für Fotos einfügen
-    Collection<Foto> fotocollection = new ArrayList<>();
+    ArrayList<Foto> fotocollection = new ArrayList<>();
 
 
     /**
@@ -31,10 +31,8 @@ public class MediaController implements ActionListener, ListSelectionListener {
     String[] getNamesPhoto() {
         String[] strar = new String[fotocollection.size()];
 
-        int i = 0;
+        for (int i = 0; i < fotocollection.size(); i++) {
-        for (Foto ft: fotocollection) {
+            strar[i] = fotocollection.get(i).getName();
-             strar[i] = ft.getName();
-             i++;
         }
 
         return strar;
@@ -68,12 +66,15 @@ public class MediaController implements ActionListener, ListSelectionListener {
                             Foto ft = new Foto(spl[0],
                                     Integer.parseInt(spl[1]),
                                     Integer.parseInt(spl[2]),
+                                    spl[3],
                                     Integer.parseInt(spl[4]),
-                                    Integer.parseInt(spl[5]),
+                                    Integer.parseInt(spl[5])
-                                    spl[3]);
+                            );
 
                             fotocollection.add(ft);
+                            mv.setPhotoList(getNamesPhoto());
                         } catch (NumberFormatException ee) {
+                            showPopup(ee.getMessage());
                             throw new WrongFileFormatException("parse error- no integer in file column");
                         }
                     }
@@ -83,7 +84,8 @@ public class MediaController implements ActionListener, ListSelectionListener {
                 } catch (IOException ioException) {
                     ioException.printStackTrace();
                 } catch (WrongFileFormatException en) {
-                    System.err.println("an File Format exception occured: "+en.getMessage());
+                    System.err.println("an File Format exception occured: " + en.getMessage());
+                    showPopup(en.getMessage());
                 }
 
             }
@@ -91,8 +93,24 @@ public class MediaController implements ActionListener, ListSelectionListener {
         } else if (e.getActionCommand() == "Grafik") {
             // TODO: die Häufigkeiten der Fotoformate muss berechnet werden
             //    und an die Methode displayGraph übergeben werden
+            int raw = 0;
+            int jpeg = 0;
+            int gif = 0;
 
-            //	mv.displayGraph(???);
+            for (Foto ft : fotocollection) {
+                switch (ft.getFileformat()) {
+                    case "JPEG":
+                        jpeg++;
+                        break;
+                    case "RAW":
+                        raw++;
+                        break;
+                    case "GIF":
+                        gif++;
+                        break;
+                }
+            }
+            mv.displayGraph(raw, jpeg, gif);
         }
 
     }
@@ -102,9 +120,23 @@ public class MediaController implements ActionListener, ListSelectionListener {
      * ListSelectionListener - wenn sich die
      */
     public void valueChanged(ListSelectionEvent e) {
-        // TODO: die Daten zum ausgewähltem Foto müssen mit setData angezeigt werden
+        Foto ft = fotocollection.get(mv.photoList.getSelectedIndex());
 
-        // mv.setData(???);
+        mv.setData(ft.getFileformat(), ft.getWidth(), ft.getHeight());
     }
 
+    public void showPopup(String message) {
+        JDialog dialog = new JDialog(mv, "Title");
+        dialog.setSize(200, 200);
+        dialog.setLayout(new BorderLayout());
+        JButton btn = new JButton("ok");
+        btn.addActionListener(e1 -> {
+            dialog.setVisible(false);
+            dialog.dispose();
+        });
+
+        dialog.add(btn, BorderLayout.SOUTH);
+        dialog.add(new JLabel(message), BorderLayout.CENTER);
+        dialog.setVisible(true);
+    }
 }

src/MediaView.java

@@ -1,15 +1,13 @@
-import java.awt.BorderLayout;
+import org.jfree.chart.ChartFactory;
-import java.awt.GridLayout;
+import org.jfree.chart.ChartPanel;
-import java.awt.ScrollPane;
+import org.jfree.chart.JFreeChart;
-import java.awt.event.ActionListener;
+import org.jfree.chart.plot.PiePlot;
+import org.jfree.data.general.DefaultPieDataset;
 
-import javax.swing.DefaultListModel;
+import javax.swing.*;
-import javax.swing.JButton;
-import javax.swing.JFrame;
-import javax.swing.JLabel;
-import javax.swing.JList;
-import javax.swing.JPanel;
 import javax.swing.event.ListSelectionListener;
+import java.awt.*;
+import java.awt.event.ActionListener;
 
 public class MediaView extends JFrame {
     JList<String> photoList = new JList<>();
@@ -24,13 +22,14 @@ public class MediaView extends JFrame {
 
     /**
      * Konstruktor
+     *
      * @param al
      * @param lsl
      */
     public MediaView(ActionListener al, ListSelectionListener lsl) {
         this.setTitle("ihren Namen");
 
-		photoPanel.add(new JLabel("Fotos:"),BorderLayout.NORTH);
+        photoPanel.add(new JLabel("Fotos:"), BorderLayout.NORTH);
         photoPanel.add(new ScrollPane().add(photoList));
         photoList.addListSelectionListener(lsl);
 
@@ -47,13 +46,13 @@ public class MediaView extends JFrame {
 
     /**
      * Einf<EFBFBD>gen der <EFBFBD>bergebenen Namen in die JList
+     *
      * @param namesPhoto
      */
     public void setPhotoList(String[] namesPhoto) {
         // nichts ver<EFBFBD>ndern
-		if (namesPhoto != null){
+        if (namesPhoto != null) {
-			DefaultListModel listModel = (DefaultListModel) photoList.getModel();
+            photoList.removeAll();
-	        listModel.removeAllElements();
             photoList.setListData(namesPhoto);
         }
     }
@@ -63,32 +62,64 @@ public class MediaView extends JFrame {
      */
     public void display() {
         // nichts ver<EFBFBD>ndern
-		this.setSize(600,530);
+        this.setSize(600, 530);
         this.setVisible(true);
         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     }
 
     /**
      * Daten eines Fotos in der Statuszeile der View anzeigen
+     *
      * @param photoType ... Datentyp (als String)
      * @param width     ... Breite des Bildes (int)
      * @param height    ... H<EFBFBD>he des Bildes (int)
      */
     public void setData(String photoType, int width, int height) {
         // nichts ver<EFBFBD>ndern
-		lblStatus.setText( String.format("Typ: %s, Bildgr<67><72>e: (%d,%d)", photoType, width, height));
+        lblStatus.setText(String.format("Typ: %s, Bildgr<67><72>e: (%d,%d)", photoType, width, height));
     }
 
     /**
      * Erstellen eines Kuchendiagrammes mit 3 Segmenten. Die 3 Parameter
      * geben die H<EFBFBD>ufigkeiten der Bildtypen an
+     *
      * @param raw
      * @param jpeg
      * @param gif
      */
     public void displayGraph(float raw, float jpeg, float gif) {
-		// TODO: Kuchendiagramm erzeugen und in graphPanel einf<EFBFBD>gen
+        // create a dataset...
-		//this.graphPanel.add(???);
+        DefaultPieDataset dataset = new DefaultPieDataset();
+        dataset.setValue("raw", raw);
+        dataset.setValue("jpeg", jpeg);
+        dataset.setValue("gif", gif);
+
+
+        // create a chart...
+        JFreeChart chart = ChartFactory.createPieChart(
+                "Das supergeile pie chart",
+                dataset,
+                true,
+                true,
+                false
+        );
+
+        PiePlot plot = (PiePlot) chart.getPlot();
+        if (raw >= jpeg && raw >= gif) {
+            plot.setExplodePercent("raw", 0.10);
+        }
+        if (jpeg >= raw && jpeg >= gif) {
+            plot.setExplodePercent("jpeg", 0.10);
+        }
+        if (gif >= raw && gif >= jpeg){
+            plot.setExplodePercent("gif", 0.10);
+        }
+
+
+        // create and display a frame...
+        ChartPanel frame = new ChartPanel(chart);
+        this.graphPanel.add(frame);
+
 
         // zum Neuzeichnen der Anwendung nach dem Einf<EFBFBD>gen - nicht <EFBFBD>ndern!
         this.getContentPane().validate();

src/Medien.java

@@ -0,0 +1,26 @@
+public class Medien {
+    private String name;
+    private int rating;
+    private int nrused;
+
+    public Medien(String name, int rating, int nrused) {
+        this.name = name;
+        this.rating = rating;
+        this.nrused = nrused;
+    }
+
+    public Medien() {
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getRating() {
+        return rating;
+    }
+
+    public int getNrused() {
+        return nrused;
+    }
+}