Lab4 comm
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Arklightning
263
src/javaapplication1/ServiceListPanel.java
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263
src/javaapplication1/ServiceListPanel.java
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/*
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* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
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* Click nbfs://nbhost/SystemFileSystem/Templates/GUIForms/JFrame.java to edit this template
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*/
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package javaapplication1;
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import javax.swing.*;
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import javax.swing.table.DefaultTableModel;
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import java.awt.*;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Statement;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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/**
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*
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* @author oleg
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*/
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public class ServiceListPanel extends javax.swing.JFrame {
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private Statement stmt;
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private Connection conn;
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/**
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* Creates new form ServiceListPanel
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*/
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public ServiceListPanel() {
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initComponents();
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try {
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conn = DBConnection.getConnection();
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stmt = conn.createStatement();
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} catch (SQLException e) {
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e.printStackTrace();
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}
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refreshTable();
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setVisible(true);
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}
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/**
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* This method is called from within the constructor to initialize the form.
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* WARNING: Do NOT modify this code. The content of this method is always
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* regenerated by the Form Editor.
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*/
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@SuppressWarnings("unchecked")
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// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
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private void initComponents() {
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UpdateButton = new javax.swing.JButton();
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CloseButton = new javax.swing.JButton();
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RefreshButton = new javax.swing.JButton();
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jScrollPane1 = new javax.swing.JScrollPane();
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jTable1 = new javax.swing.JTable();
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AddButton = new javax.swing.JButton();
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setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
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UpdateButton.setLabel("Update");
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UpdateButton.addMouseListener(new java.awt.event.MouseAdapter() {
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public void mouseClicked(java.awt.event.MouseEvent evt) {
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UpdateButtonMouseClicked(evt);
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}
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});
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CloseButton.setLabel("Delete");
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CloseButton.addActionListener(new java.awt.event.ActionListener() {
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public void actionPerformed(java.awt.event.ActionEvent evt) {
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CloseButtonActionPerformed(evt);
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}
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});
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RefreshButton.setLabel("Refresh");
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RefreshButton.addMouseListener(new java.awt.event.MouseAdapter() {
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public void mouseClicked(java.awt.event.MouseEvent evt) {
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RefreshButtonMouseClicked(evt);
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}
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});
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jTable1.setModel(new javax.swing.table.DefaultTableModel(
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new Object [][] {
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},
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new String [] {
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"id", "number_of_services", "guestid", "serviceid"
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}
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) {
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Class[] types = new Class [] {
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java.lang.Integer.class, java.lang.Integer.class, java.lang.Integer.class, java.lang.Integer.class
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};
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public Class getColumnClass(int columnIndex) {
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return types [columnIndex];
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}
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});
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jScrollPane1.setViewportView(jTable1);
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AddButton.setLabel("Add");
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AddButton.addActionListener(new java.awt.event.ActionListener() {
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public void actionPerformed(java.awt.event.ActionEvent evt) {
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AddButtonActionPerformed(evt);
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}
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});
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javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
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getContentPane().setLayout(layout);
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layout.setHorizontalGroup(
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layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addContainerGap()
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.addComponent(jScrollPane1))
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.addGroup(layout.createSequentialGroup()
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.addGap(65, 65, 65)
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.addComponent(AddButton)
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.addGap(71, 71, 71)
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.addComponent(UpdateButton)
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.addGap(70, 70, 70)
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.addComponent(RefreshButton)
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.addGap(71, 71, 71)
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.addComponent(CloseButton)
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.addGap(0, 0, Short.MAX_VALUE)))
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.addContainerGap())
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);
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layout.setVerticalGroup(
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layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addContainerGap()
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.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 302, javax.swing.GroupLayout.PREFERRED_SIZE)
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.addGap(27, 27, 27)
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
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.addComponent(AddButton)
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.addComponent(UpdateButton)
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.addComponent(CloseButton)
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.addComponent(RefreshButton))
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.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
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);
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pack();
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}// </editor-fold>//GEN-END:initComponents
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private void UpdateButtonMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_UpdateButtonMouseClicked
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updateTable();
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}//GEN-LAST:event_UpdateButtonMouseClicked
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private void refreshTable() {
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try {
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Connection connection = DBConnection.getConnection();
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Statement statement = connection.createStatement();
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ResultSet rs = statement.executeQuery("SELECT * FROM service_list ORDER BY id ASC;");
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DefaultTableModel model = new DefaultTableModel(new Object[]{"ID", "number_of_services", "guestid", "serviceid"}, 0);
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while (rs.next()) {
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model.addRow(new Object[]{rs.getInt("id"), rs.getString("number_of_services"), rs.getInt("guestid"), rs.getInt("serviceid")});
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}
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jTable1.setModel(model);
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} catch (SQLException e) {
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e.printStackTrace();
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}
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}
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private void updateTable() {
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try {
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Connection connection = DBConnection.getConnection();
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String query = "SELECT * FROM service_list";
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Statement statement = connection.createStatement();
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ResultSet resultSet = statement.executeQuery(query);
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// очистка модели таблицы
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DefaultTableModel model = (DefaultTableModel) jTable1.getModel();
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model.setRowCount(0);
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// заполнение модели таблицы данными из базы данных
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while (resultSet.next()) {
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int id = resultSet.getInt("id");
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int numberOfServices = resultSet.getInt("number_of_services");
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int guestid = resultSet.getInt("guestid");
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int serviceid = resultSet.getInt("serviceid");
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Object[] row = {id, numberOfServices, guestid, serviceid};
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model.addRow(row);
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}
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resultSet.close();
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statement.close();
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connection.close();
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} catch (SQLException ex) {
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ex.printStackTrace();
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}
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}
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private void CloseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CloseButtonActionPerformed
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try {
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stmt.close();
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conn.close();
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} catch (SQLException e){
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e.printStackTrace();
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}
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dispose(); // закрыть только эту форму
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}//GEN-LAST:event_CloseButtonActionPerformed
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private void RefreshButtonMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_RefreshButtonMouseClicked
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refreshTable();
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}//GEN-LAST:event_RefreshButtonMouseClicked
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private void AddButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_AddButtonActionPerformed
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int number_of_services = Integer.parseInt(JOptionPane.showInputDialog("Enter service number:"));
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int guestid = Integer.parseInt(JOptionPane.showInputDialog("Enter floor:"));
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int serviceid = Integer.parseInt(JOptionPane.showInputDialog("Enter floor:"));
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try {
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stmt.executeUpdate("INSERT INTO service_list (service_name, service_price) VALUES (" + number_of_services + ", " + guestid + ", " + serviceid + ")");
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refreshTable();
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} catch (SQLException ex) {
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ex.printStackTrace();
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}
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// обновление таблицы
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updateTable();
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refreshTable();
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}//GEN-LAST:event_AddButtonActionPerformed
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/**
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* @param args the command line arguments
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*/
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public static void main(String args[]) {
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/* Set the Nimbus look and feel */
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//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
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/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
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* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
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*/
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try {
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for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
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if ("Nimbus".equals(info.getName())) {
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javax.swing.UIManager.setLookAndFeel(info.getClassName());
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break;
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}
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}
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} catch (ClassNotFoundException ex) {
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java.util.logging.Logger.getLogger(ServiceListPanel.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (InstantiationException ex) {
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java.util.logging.Logger.getLogger(ServiceListPanel.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (IllegalAccessException ex) {
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java.util.logging.Logger.getLogger(ServiceListPanel.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (javax.swing.UnsupportedLookAndFeelException ex) {
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java.util.logging.Logger.getLogger(ServiceListPanel.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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}
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//</editor-fold>
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/* Create and display the form */
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java.awt.EventQueue.invokeLater(new Runnable() {
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public void run() {
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new ServiceListPanel().setVisible(true);
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}
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});
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}
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// Variables declaration - do not modify//GEN-BEGIN:variables
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private javax.swing.JButton AddButton;
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private javax.swing.JButton CloseButton;
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private javax.swing.JButton RefreshButton;
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private javax.swing.JButton UpdateButton;
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private javax.swing.JScrollPane jScrollPane1;
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private javax.swing.JTable jTable1;
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// End of variables declaration//GEN-END:variables
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}
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