import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.table.DefaultTableModel;

//Main Class ---> GUI
public class GUI extends JFrame {

	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				GUI frame = new GUI();						//  Create GUI
				frame.setVisible(true);						//  Set True for show GUI
			}
		});
	}

	public GUI() {

		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(0,0,700,550);										// Set size and position  GUI
		setTitle("GUI TEST");										// Set Title
		getContentPane().setLayout(null);

		// Menu
		JMenuBar menuBar = new JMenuBar();							// Create Menubar
		JMenu menu1 = new JMenu("File");							// Create Menu 'File'
        JMenuItem menu1_1 = new JMenuItem("Open File");				// MenuItem ' Open File'
        menu1.add(menu1_1);											// add MenuItem in Menu
        menuBar.add(menu1);											// add Menu in MenuItem
        setJMenuBar(menuBar);

        // Label Result
		final JLabel lblResult = new JLabel("Humidity and temperature", JLabel.CENTER);		// Create JLabel
		lblResult.setBounds(230, 30, 200, 30);												// Set size and position JLabel
		getContentPane().add(lblResult);

		// Table
		JTable table = new JTable();				// Create JTable
		getContentPane().add(table);				// add JTable in GUI

		// Table Model
		final DefaultTableModel model = (DefaultTableModel)table.getModel();
		model.addColumn("Humidity");              	 // Create Column and add to Jtable
		model.addColumn("Temp(C)");					// Create Column and add to Jtable
		model.addColumn("Temp(F)");					// Create Column and add to Jtable

		// ScrollPane
		JScrollPane scroll = new JScrollPane(table);		// Create Scroll in Jtable
		scroll.setBounds(84, 70, 500, 300);
		getContentPane().add(scroll);						// add Scroll in GUI

	    menu1_1.addActionListener(new ActionListener() { 			// Action Even for  Menu
				public void actionPerformed(ActionEvent e) {
					JFileChooser fileopen = new JFileChooser();			// Choose File
					FileFilter filter = new FileNameExtensionFilter(	// File Type : ' Text,CSV,JSON'
							"Text/CSV file", "txt", "csv");
					fileopen.addChoosableFileFilter(filter);
					int ret = fileopen.showDialog(null, "Choose file");		// Open File
					if (ret == JFileChooser.APPROVE_OPTION ) {
						File file = fileopen.getSelectedFile();
						try {
							BufferedReader br = new BufferedReader(new FileReader(file));	// Read file
							String line;													// in Line
							int row = 0 ;													// Set row
							while ((line = br.readLine()) != null ) {
								String[] arr = line.split(",");								// split ','  (CSV file)
								model.addRow(new Object[0]);
								model.setValueAt(arr[0], row,0);							// add data first to row0
								model.setValueAt(arr[1], row,1);							// add data second to row1
								model.setValueAt(arr[2], row,2);							// add data third to row2
								row++;
							}
							br.close();
						} catch (IOException ex) {
							ex.printStackTrace();
						}
					}
				}
	        });
		}

}