start

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

.idea/codeStyles/Project.xml

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+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <ScalaCodeStyleSettings>
+      <option name="MULTILINE_STRING_CLOSING_QUOTES_ON_NEW_LINE" value="true" />
+    </ScalaCodeStyleSettings>
+  </code_scheme>
+</component>

.idea/codeStyles/codeStyleConfig.xml

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+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>

.idea/libraries/mariadb_java_client_3_1_0.xml

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+<component name="libraryTable">
+  <library name="mariadb-java-client-3.1.0">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/../../../../Schule/Datenbanken/12/Hue/Projekt/mariadb-java-client-3.1.0.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="openjdk-19" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/IDB-Hue-Projekt.iml" filepath="$PROJECT_DIR$/IDB-Hue-Projekt.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

IDB-Hue-Projekt.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="mariadb-java-client-3.1.0" level="project" />
+  </component>
+</module>

src/Hinzufügen.java

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+import javax.swing.*;
+import javax.swing.table.DefaultTableModel;
+import java.awt.event.*;
+import java.sql.*;
+
+public class Hinzufügen extends JFrame implements ActionListener {
+    JButton a = null;
+    ResultSetMetaData rm = null;
+
+
+    JButton einf = null;
+
+    JTable table = null;
+    DefaultTableModel t = null;
+
+    String url = "jdbc:mariadb://127.0.0.1:3306/bundesliga";
+
+    String spalten = "";
+    String sname = "";
+
+    public Hinzufügen(ResultSet r, String tab) {
+        this.setSize(500, 600);
+        this.setLayout(null);
+
+
+        String[][] temp = {{""}};
+        t = new DefaultTableModel();
+        table = new JTable(t);
+
+        a = new JButton("Zurück");
+        a.setBounds(50, 30, 80, 50);
+        a.addActionListener(e -> {
+            this.dispose();
+        });
+        this.add(a);
+
+        try {
+            rm = r.getMetaData();
+            int x = 10;
+            int y = 100;
+            JTextField[] b = new JTextField[rm.getColumnCount()];
+            int z = rm.getColumnCount();
+            for (int i = 2; i <= z; i++) {
+                int w = 90;
+                JLabel a = new JLabel(rm.getColumnName(i));
+                a.setBounds(x, y, w, 60);
+                b[i - 1] = new JTextField();
+                b[i - 1].setBounds(x, y + 70, w, 70);
+                this.add(b[i - 1]);
+                this.add(a);
+                x = x + w;
+                if (x >= 400) {
+                    x = 10;
+                    y = 300;
+                }
+            }
+            einf = new JButton("Einfügen");
+            einf.setBounds(50, 480, 100, 50);
+            einf.addActionListener(e -> {
+                for (int i = 1; i < z; i++) {
+                    try {
+                        System.out.println(b[i].getText());
+                        if (b[i].getText().length() == 0) {
+                            int response = JOptionPane.showConfirmDialog(null, "Soll der Wert für " + rm.getColumnName(i + 1) + " 'NULL' übernommen werden?", "Bestätigen", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
+                            System.out.println(response);
+                            if (response == 0) {
+                                //null
+                            } else {
+                                break;
+                            }
+                        }
+
+                        if (i == z -1) {
+                            spalten = spalten + "'" + b[i].getText() + "'";
+                            sname =sname+rm.getColumnName(i+1);
+                        } else {
+                            spalten = spalten + "'" + b[i].getText() + "',";
+                            sname =sname+rm.getColumnName(i+1)+",";
+                        }
+
+
+                    } catch (Exception ex) {
+                        throw new RuntimeException(ex);
+                    }
+                }
+                System.out.println(sname);
+                System.out.println(spalten);
+                String sql = "Insert into " + tab + "("+sname+") Values (" + spalten + ")";
+                Connection conn = null;
+                try {
+                    conn = DriverManager.getConnection(url, "root", "");
+                    Statement s = conn.createStatement();
+                    ResultSet a = s.executeQuery(sql);
+                    this.dispose();
+                   // Tabellen.this.remove(table);
+                    Tabellen.einfügen(tab);
+                    Tabellen.table.repaint();
+                } catch (SQLException ex) {
+                    throw new RuntimeException(ex);
+                }
+
+
+
+            });
+            this.add(einf);
+
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+
+
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+
+    }
+}

src/Löschen.java

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+import javax.swing.*;
+import javax.swing.table.DefaultTableModel;
+import javax.xml.transform.Result;
+import java.awt.event.*;
+import java.sql.*;
+
+public class Löschen {
+
+    String url = "jdbc:mariadb://127.0.0.1:3306/bundesliga";
+
+    public Löschen(String tab, DefaultTableModel model, JTable table) {
+        int zeile = table.getSelectedRow();
+
+        String wh = model.getValueAt(zeile, 0).toString();
+        int response = JOptionPane.showConfirmDialog(null, "Wollen Sie dein Eintrag in Zeile " + (zeile+1) + " 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 " + model.getColumnName(0) + "=" + wh);
+
+            } catch (SQLException e) {
+                throw new RuntimeException(e);
+            }
+            Tabellen.einfügen(tab);
+        } else {
+
+        }
+
+    }
+
+
+}

src/Menu.java

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+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.sql.*;
+
+public class Menu extends JFrame implements ActionListener {
+    JScrollPane sc = null;
+    JButton a = null;
+
+    JLabel i = null;
+    JList list = null;
+    ImageIcon img = null;
+
+    String url = "jdbc:mariadb://127.0.0.1:3306/bundesliga";
+
+
+    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);
+
+
+
+        a = new JButton("Anzeigen");
+        a.setBounds(200, 200, 150, 70);
+        a.addActionListener(e -> {
+            try (Connection conn = DriverManager.getConnection(url, "root", "")){
+                String table = list.getSelectedValue().toString();
+                Tabellen t = new Tabellen(url,table);
+                t.setVisible(true);
+                t.setTitle(list.getSelectedValue().toString());
+            } catch (SQLException ex) {
+                throw new RuntimeException(ex);
+            }
+            this.dispose();
+        });
+        this.add(a);
+
+
+        DefaultListModel liste = new DefaultListModel();
+        list = new JList(liste);
+        sc = new JScrollPane();
+        sc.setViewportView(list);
+        sc.setBounds(30, 150, 150, 200);
+        this.add(sc);
+
+        try (Connection conn = DriverManager.getConnection(url, "root", "")){
+            Statement s = conn.createStatement();
+            ResultSet r = s.executeQuery("Show Tables");
+            while (r.next()) {
+                liste.addElement(r.getString("Tables_In_bundesliga"));
+            }
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+
+    }
+
+    public void paint(Graphics g) {
+        super.paint(g);
+        img = new ImageIcon("src/image/Bundesliga.jpg");
+        i = new JLabel(img);
+        i.setBounds(150, 280, 200, 100);
+        this.add(i);
+        repaint();
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+
+
+    }
+}

src/Tabellen.java

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+import javax.swing.*;
+import javax.swing.table.DefaultTableModel;
+import java.awt.event.*;
+import java.sql.*;
+
+public class Tabellen extends JFrame implements ActionListener {
+    JScrollPane sc = null;
+    JButton a = null;
+
+    JButton änd = null;
+    JButton einf = null;
+    JButton del = null;
+    static ResultSetMetaData rm = null;
+    static JTable table = null;
+    static DefaultTableModel t = null;
+    static ResultSet r = null;
+    static String url = "jdbc:mariadb://127.0.0.1:3306/bundesliga";
+
+
+    public Tabellen(String url, String tab) {
+        this.setSize(500, 600);
+        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
+        this.setLayout(null);
+
+
+        einfügen(tab);
+        sc = new JScrollPane(table);
+        sc.setBounds(50, 100, 400, 350);
+        sc.getHorizontalScrollBar();
+        this.add(sc);
+
+        a = new JButton("Zurück");
+        a.setBounds(50, 30, 80, 50);
+        a.addActionListener(e -> {
+            this.dispose();
+            Menu m = new Menu();
+            m.setVisible(true);
+        });
+        this.add(a);
+
+        einf = new JButton("Einfügen");
+        einf.setBounds(50, 480, 100, 50);
+        einf.addActionListener(e -> {
+            Hinzufügen d = new Hinzufügen(r, tab);
+            d.setVisible(true);
+            {
+            }
+        });
+        this.add(einf);
+
+        änd = new JButton("Ändern");
+        änd.setBounds(170, 480, 100, 50);
+        änd.addActionListener(e -> {
+
+        });
+        this.add(änd);
+
+        del = new JButton("Löschen");
+        del.setBounds(290, 480, 100, 50);
+        del.addActionListener(e -> {
+            Löschen l = new Löschen(tab, t, table);
+
+
+        });
+        this.add(del);
+    }
+
+    public static void einfügen(String tab) {
+        String[][] temp = {{""}};
+        t = new DefaultTableModel();
+        table = new JTable(t);
+
+        try (Connection conn = DriverManager.getConnection(url, "root", "")) {
+            Statement s = conn.createStatement();
+            r = s.executeQuery("Select * From " + tab);
+            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.fireTableRowsInserted(0, table.getRowCount());
+                table.repaint();
+
+            }
+
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+
+    }
+
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+
+    }
+}