start

src/Einzelansicht.java

@@ -0,0 +1,270 @@
+import javax.swing.*;
+import javax.swing.event.*;
+import javax.swing.table.DefaultTableModel;
+import java.awt.*;
+import java.sql.*;
+
+public class Einzelansicht extends JFrame implements TableModelListener {
+
+    JScrollPane sc = null;
+    JButton a = null;
+    JButton einf = null;
+    JButton del = null;
+    static JButton zur = null;
+    static JButton vor = null;
+    static ResultSetMetaData rm = null;
+    static DefaultTableModel t = new DefaultTableModel();
+    static JTable table = new JTable(t);
+    static ResultSet r = null;
+    static String url = "jdbc:mariadb://127.0.0.1:3306/bundesliga";
+
+    JTextField s = null;
+    String tab = null;
+
+    JLabel such = null;
+
+    Font font = new Font("Arial", Font.PLAIN, 12);
+    String sql = null;
+    String sq = "";
+    static int i = 0;
+
+    public Einzelansicht(String ta) {
+        this.setSize(500, 400);
+        this.setResizable(false);
+        this.setLayout(null);
+        tab = ta;
+
+        try (Connection conn = DriverManager.getConnection(url, "root", "")) {
+            Statement s = conn.createStatement();
+            r = s.executeQuery("Select * FROM " + tab);
+            rm = r.getMetaData();
+            sql = "Select * From " + tab + " Where " + rm.getColumnName(1) + " =" + 1;
+            einfügen(tab, sql);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+
+        vor = new JButton("Weiter");
+        vor.setBounds(300, 150, 90, 50);
+        vor.setFont(font);
+        vor.setBackground(Color.white);
+        vor.setForeground(Color.black);
+        vor.addActionListener(e -> {
+            i++;
+            try {
+                sql = "Select * From " + tab + " Where " + rm.getColumnName(1) + " =" + i;
+                einfügen(tab, sql);
+            } catch (SQLException ex) {
+                throw new RuntimeException(ex);
+            }
+        });
+        this.add(vor);
+
+        zur = new JButton("Letzte");
+        zur.setBounds(150, 150, 90, 50);
+        zur.setFont(font);
+        zur.setBackground(Color.white);
+        zur.setForeground(Color.black);
+        zur.addActionListener(e -> {
+            if(i>1){
+             i--;
+            }
+            try {
+                sql = "Select * From " + tab + " Where " + rm.getColumnName(1) + " =" + i;
+                einfügen(tab, sql);
+            } catch (SQLException ex) {
+                throw new RuntimeException(ex);
+            }
+        });
+        this.add(zur);
+
+
+        sc = new JScrollPane(Einzelansicht.table);
+        sc.setBounds(50, 100, 400, 50);
+        sc.getHorizontalScrollBar();
+        this.add(sc);
+
+        a = new JButton("Zurück");
+        a.setBounds(50, 30, 70, 50);
+        a.setForeground(Color.BLACK);
+        a.setBackground(Color.white);
+        a.setFont(font);
+        a.addActionListener(e -> {
+            this.dispose();
+            Menu m = new Menu();
+            m.setVisible(true);
+        });
+        this.add(a);
+
+        einf = new JButton("Einfügen");
+        einf.setBounds(150, 280, 100, 50);
+        einf.setForeground(Color.BLACK);
+        einf.setBackground(Color.white);
+        einf.setFont(font);
+        einf.addActionListener(e -> {
+            Hinzufügen d = new Hinzufügen(r, tab);
+            d.setVisible(true);
+            this.setFocusable(false);
+
+        });
+        this.add(einf);
+
+
+        del = new JButton("Löschen");
+        del.setBounds(300, 280, 100, 50);
+        del.setForeground(Color.BLACK);
+        del.setBackground(Color.white);
+        del.setFont(font);
+        del.addActionListener(e -> {
+          System.out.println(t.getValueAt(0,0));
+            String wh = t.getValueAt(0, 0).toString();
+            int response = JOptionPane.showConfirmDialog(null, "Wollen Sie den Eintrag löschen?", "Bestätigen", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
+            if (response == 0) {
+                try (Connection conn = DriverManager.getConnection(url, "root", "")) {
+                    Statement s = conn.createStatement();
+                    ResultSet r = s.executeQuery("DELETE  From " + tab + " WHERE " + t.getColumnName(0) + "=" + wh);
+
+                } catch (SQLException ex) {
+                    throw new RuntimeException(ex);
+                }
+                Tabellen.einfügen(tab);
+            } else {
+
+            }
+            Einzelansicht.table.clearSelection();
+            table.clearSelection();
+            t.removeRow(0);
+            t.fireTableDataChanged();
+
+        });
+        this.add(del);
+
+        such = new JLabel("Suchen");
+        such.setBounds(300, 10, 50, 20);
+        this.add(such);
+
+        s = new JTextField();
+        s.setBounds(300, 30, 150, 40);
+        this.add(s);
+        suchen();
+
+        t.addTableModelListener(this);
+
+    }
+
+    public static void einfügen(String tab, String sql) {
+        String[][] temp = {{""}};
+
+
+        try (Connection conn = DriverManager.getConnection(url, "root", "")) {
+            Statement s = conn.createStatement();
+            r = s.executeQuery(sql);
+            rm = r.getMetaData();
+            rm.getColumnCount();
+            String column[] = new String[rm.getColumnCount()];
+
+
+            for (int i = 1; i <= rm.getColumnCount(); i++) {
+                column[i - 1] = rm.getColumnName(i);
+                t.addColumn(column[i - 1]);
+            }
+            t.setDataVector(temp, column);
+            t.removeRow(0);
+
+            Object rows[] = new Object[rm.getColumnCount()];
+            while (r.next()) {
+                for (int i = 1; i <= rm.getColumnCount(); i++) {
+                    rows[i - 1] = r.getString(i);
+                }
+            }
+
+
+            t.addRow(rows);
+            t.fireTableDataChanged();
+
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+
+    }
+
+    public void suchen() {
+        s.getDocument().addDocumentListener(new DocumentListener() {
+            @Override
+            public void insertUpdate(DocumentEvent e) {
+                search(s.getText());
+            }
+
+            @Override
+            public void removeUpdate(DocumentEvent e) {
+                search(s.getText());
+            }
+
+            @Override
+            public void changedUpdate(DocumentEvent e) {
+                search(s.getText());
+            }
+
+            public void search(String st) {
+                if (st.length() == 0) {
+                } else {
+                    try {
+                        for (int j = 1; j <= rm.getColumnCount(); j++) {
+                            System.out.println(sq);
+                            if (j == rm.getColumnCount()) {
+                                sq = sq + rm.getColumnName(j) + " LIKE '%" + st + "%'";
+                            } else {
+                                sq = sq + rm.getColumnName(j) + " LIKE '%" + st + "%' or ";
+                            }
+                        }
+                        sql="Select * FROm "+tab+ " Where "+sq;
+                        System.out.println(sql);
+                        einfügen(tab,sql);
+
+                    } catch (SQLException e) {
+                        throw new RuntimeException(e);
+                    }
+                }
+            }
+        });
+    }
+
+    @Override
+    public void tableChanged(TableModelEvent e) {
+        int zeile = table.getSelectedRow();
+        int spalte = table.getSelectedColumn();
+        if (spalte > 0 && zeile > 0) {
+            int response = 0;
+            try {
+                response = JOptionPane.showConfirmDialog(null, "Wollen Sie dein Eintrag in Zeile " + (zeile + 1) + ", Spalte :" + (rm.getColumnName(spalte + 1)) + " ändern?", "Bestätigen", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
+            } catch (SQLException ex) {
+                throw new RuntimeException(ex);
+            }
+            if (response == 0) {
+                try (Connection conn = DriverManager.getConnection(url, "root", "")) {
+                    Statement s = conn.createStatement();
+                    System.out.println(t.getColumnName(spalte) + "\n" + rm.getColumnTypeName(spalte + 1));
+                    if (rm.getColumnTypeName(spalte + 1).equalsIgnoreCase("Varchar")) {
+                        ResultSet r = s.executeQuery("Update " + tab + " set " + t.getColumnName(spalte) + "= '" + t.getValueAt(zeile, spalte).toString() + "' WHERE " + t.getColumnName(0) + " = " + t.getValueAt(zeile, 0));
+
+                    } else if (rm.getColumnTypeName(spalte + 1).equalsIgnoreCase("Date")) {
+                        ResultSet r = s.executeQuery("Update " + tab + " set " + t.getColumnName(spalte) + "= '" + t.getValueAt(zeile, spalte).toString() + "' WHERE " + t.getColumnName(0) + " = " + t.getValueAt(zeile, 0));
+
+                    } else {
+                        ResultSet r = s.executeQuery("Update " + tab + " set " + t.getColumnName(spalte) + "= " + t.getValueAt(zeile, spalte).toString() + " WHERE " + t.getColumnName(0) + " = " + t.getValueAt(zeile, 0));
+
+                    }
+                    table.clearSelection();
+                } catch (SQLException f) {
+                    throw new RuntimeException(f);
+                }
+                t.fireTableDataChanged();
+            } else {
+                table.clearSelection();
+            }
+
+        }
+
+    }
+
+}

src/Menu.java

@@ -6,37 +6,52 @@ import java.sql.*;
 public class Menu extends JFrame implements ActionListener {
     JScrollPane sc = null;
     JButton a = null;
-
+    JButton v = null;
-    JLabel i = null;
     JList list = null;
-    ImageIcon img =new ImageIcon("Bundesliga.jpg");
-
     String url = "jdbc:mariadb://127.0.0.1:3306/bundesliga";
-
+    String table = null;
-
     public static void main(String[] args) {
         Menu m = new Menu();
         m.setVisible(true);
     }
+
     public Menu() {
         this.setSize(500, 600);
         this.setDefaultCloseOperation(EXIT_ON_CLOSE);
         this.setLayout(null);
         this.setBackground(Color.WHITE);
-        this.setIconImage(img.getImage());
 
+        JLabel lbl = new JLabel("");
+        ImageIcon img = new ImageIcon(new ImageIcon(Menu.class.getResource("/image/Bundesiga.jfif")).getImage());
+        lbl.setIcon(img);
+        lbl.setBounds(150, 50, 200,202);
+        this.getContentPane().add(lbl);
+        this.add(lbl);
+
+        v = new JButton("Einzelansicht");
+        v.setBounds(200, 420, 100, 60);
+        v.setFont(new Font("Arial", Font.PLAIN, 11));
+        v.setForeground(Color.black);
+        v.setBackground(Color.white);
+        v.addActionListener(e -> {
+            table = list.getSelectedValue().toString();
+            Einzelansicht a = new Einzelansicht(table);
+            a.setVisible(true);
+            this.dispose();
+
+        });
 
         a = new JButton("Anzeigen");
-        a.setBounds(200, 200, 90, 60);
+        a.setBounds(200, 350, 90, 60);
-        a.setFont(new Font("Arial",Font.PLAIN,12));
+        a.setFont(new Font("Arial", Font.PLAIN, 12));
         a.setForeground(Color.black);
         a.setBackground(Color.white);
         a.addActionListener(e -> {
-            try (Connection conn = DriverManager.getConnection(url, "root", "")){
+            try (Connection conn = DriverManager.getConnection(url, "root", "")) {
-                if (list.isSelectionEmpty()){
+                if (list.isSelectionEmpty()) {
-                    JOptionPane.showMessageDialog(null,"Wählen sie eine Tabelle aus!");
+                    JOptionPane.showMessageDialog(null, "Wählen sie eine Tabelle aus!");
-                }else {
+                } else {
-                    String table = list.getSelectedValue().toString();
+                    table = list.getSelectedValue().toString();
                     Tabellen t = new Tabellen(url, table);
                     t.setVisible(true);
                     t.setTitle(list.getSelectedValue().toString());
@@ -52,17 +67,19 @@ public class Menu extends JFrame implements ActionListener {
 
         DefaultListModel liste = new DefaultListModel();
         list = new JList(liste);
-        list.addListSelectionListener(e->{
+        list.addListSelectionListener(e -> {
-            if (list.getSelectedValue().toString().equalsIgnoreCase("Verein")||list.getSelectedValue().toString().equalsIgnoreCase("Spieler")){
+            if (list.getSelectedValue().toString().equalsIgnoreCase("Verein") || list.getSelectedValue().toString().equalsIgnoreCase("test")) {
-                System.out.println(list.getSelectedValue());
+                this.add(v);
-            }
+
+            } else
+                this.remove(v);
         });
         sc = new JScrollPane();
         sc.setViewportView(list);
-        sc.setBounds(30, 150, 150, 200);
+        sc.setBounds(30, 300, 150, 200);
         this.add(sc);
 
-        try (Connection conn = DriverManager.getConnection(url, "root", "")){
+        try (Connection conn = DriverManager.getConnection(url, "root", "")) {
             Statement s = conn.createStatement();
             ResultSet r = s.executeQuery("Show Tables");
             while (r.next()) {
@@ -77,9 +94,6 @@ public class Menu extends JFrame implements ActionListener {
     public void paint(Graphics g) {
         super.paint(g);
 
-        i = new JLabel(img);
-        i.setBounds(150, 280, 200, 100);
-        this.add(i);
         repaint();
     }