PaulK/Datenbank-GUI
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This commit is contained in:
Paul Köster 2023-03-08 09:07:35 +01:00
parent 2997a7cd0f
commit 7ce4820475
6 changed files with 103 additions and 32 deletions
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out/production/IDB-Hue-Projekt/Hinzufügen.class
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out/production/IDB-Hue-Projekt/Tabellen.class
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51
src/Datail.java Normal file
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@ -0,0 +1,51 @@
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;
import java.sql.*;
public class Datail {
public static ResultSet spieler(int verein, Connection con) {
try {
Statement s = con.createStatement();
ResultSet r = s.executeQuery("SELECT * FROM Spieler WHERE Vereins_ID = " + verein);
return r;
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
public static DefaultTableModel detailmodel(int verein, String url) {
String[][] temp = {{""}};
DefaultTableModel t = new DefaultTableModel();
System.out.println(verein);
try (Connection conn = DriverManager.getConnection(url, "root", "")) {
ResultSet r = spieler(verein, conn);
ResultSetMetaData 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);
}
return t;
}
}

36
src/Einzelansicht.java
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@ -2,7 +2,6 @@ import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableModel;
import java.awt.*;
import java.awt.Menu;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.*;
@ -35,9 +34,14 @@ public class Einzelansicht extends JFrame implements TableModelListener, ActionL
JMenu adm = null;
JMenuItem i1, i2, i3, i4, i5, i6, i7;
JTable detail;
JScrollPane dsc;
int vid=1;
public Einzelansicht(String ta) {
this.setSize(500, 400);
this.setSize(600, 800);
this.setResizable(false);
this.setLayout(null);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
@ -101,6 +105,7 @@ public class Einzelansicht extends JFrame implements TableModelListener, ActionL
sql = "Select * From " + tab;
r.first();
einfügen(r);
detailtab(vid);
} catch (SQLException e) {
throw new RuntimeException(e);
@ -140,7 +145,7 @@ public class Einzelansicht extends JFrame implements TableModelListener, ActionL
this.add(a);
einf = new JButton("Einfügen");
einf.setBounds(150, 280, 100, 50);
einf.setBounds(470, 50, 100, 50);
einf.setForeground(Color.BLACK);
einf.setBackground(Color.white);
einf.setFont(font);
@ -150,7 +155,7 @@ public class Einzelansicht extends JFrame implements TableModelListener, ActionL
del = new JButton("Löschen");
del.setBounds(300, 280, 100, 50);
del.setBounds(470, 120, 100, 50);
del.setForeground(Color.BLACK);
del.setBackground(Color.white);
del.setFont(font);
@ -169,6 +174,10 @@ public class Einzelansicht extends JFrame implements TableModelListener, ActionL
t.addTableModelListener(this);
}
public static void einfügen(ResultSet r) {
@ -233,6 +242,8 @@ public class Einzelansicht extends JFrame implements TableModelListener, ActionL
r = s.executeQuery(sql);
r.first();
einfügen(r);
vid=r.getInt("V_ID");
detailtab(vid);
sq = "";
sql = "";
@ -290,6 +301,8 @@ public class Einzelansicht extends JFrame implements TableModelListener, ActionL
try {
if (r.next()) {
einfügen(r);
vid=r.getInt("V_ID");
detailtab(vid);
}
} catch (SQLException ex) {
throw new RuntimeException(ex);
@ -299,16 +312,17 @@ public class Einzelansicht extends JFrame implements TableModelListener, ActionL
try {
if (r.previous()) {
einfügen(r);
vid=r.getInt("V_ID");
detailtab(vid);
}
} catch (SQLException ex) {
throw new RuntimeException(ex);
}
break;
case "einf":
Hinzufügen d = new Hinzufügen(r, tab);
Hinzufügen d = new Hinzufügen(r, tab,this,true);
d.setVisible(true);
this.setFocusable(false);
this.setFocusableWindowState(false);
break;
case "änd":
break;
@ -343,4 +357,12 @@ public class Einzelansicht extends JFrame implements TableModelListener, ActionL
}
}
public void detailtab(int vid){
detail = new JTable(Datail.detailmodel(vid,url));
dsc = new JScrollPane(detail);
dsc.setBounds(20, 250, 550, 400);
dsc.getHorizontalScrollBar();
this.add(dsc);
}
}

44
src/Hinzufügen.java
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@ -4,27 +4,24 @@ import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class Hinzufügen extends JFrame implements ActionListener {
public class Hinzufügen extends Dialog implements ActionListener {
JFrame frame;
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 = "";
Font font = new Font("Arial", Font.PLAIN, 12);
public Hinzufügen(ResultSet r, String tab) {
public Hinzufügen(ResultSet r, String tab, JFrame owner,boolean modal) {
super(owner,modal);
this.setSize(500, 600);
this.setLayout(null);
owner.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
a = new JButton("Zurück");
a.setBounds(50, 30, 80, 50);
@ -64,17 +61,6 @@ public class Hinzufügen extends JFrame implements ActionListener {
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);
@ -82,6 +68,18 @@ public class Hinzufügen extends JFrame implements ActionListener {
spalten = spalten + "'" + b[i].getText() + "',";
sname = sname + rm.getColumnName(i + 1) + ",";
}
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) {
spalten= spalten+" Null";
} else {
break;
}
}
} catch (Exception ex) {
@ -91,13 +89,13 @@ public class Hinzufügen extends JFrame implements ActionListener {
System.out.println(sname);
System.out.println(spalten);
String sql = "Insert into " + tab + "(" + sname + ") Values (" + spalten + ")";
System.out.println(sql);
Connection conn = null;
try {
conn = DriverManager.getConnection(url, "root", "");
Statement s = conn.createStatement();
ResultSet a = s.executeQuery(sql);
this.dispose();
Tabellen.einfügen(tab);
} catch (SQLException ex) {
throw new RuntimeException(ex);
}

2
src/Tabellen.java
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@ -57,7 +57,7 @@ public class Tabellen extends JFrame implements TableModelListener {
einf.setBackground(Color.white);
einf.setFont(font);
einf.addActionListener(e -> {
Hinzufügen d = new Hinzufügen(r, tab);
Hinzufügen d = new Hinzufügen(r, tab,this,true);
d.setVisible(true);
this.setFocusable(false);