qrcode.JavaQR.java Source code

Introduction

Here is the source code for qrcode.JavaQR.java

Source

package qrcode;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.imageio.ImageIO;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;

import main.Data;
import ui.frame.UILogin;

import org.jdesktop.xswingx.PromptSupport;
import org.json.JSONException;
import org.json.JSONObject;

import api.APICall;

public class JavaQR extends JPanel implements Runnable {

    private Thread t;

    public JavaQR() {
        start();
    }

    @Override
    public void run() {

        setLayout(new BorderLayout());

        JPanel topPanel = new JPanel();
        JPanel centerPanel = new JPanel();
        JPanel bottomPanel = new JPanel();

        topPanel.setLayout(new GridLayout(0, 1));
        topPanel.setBorder(BorderFactory.createTitledBorder("Input Data"));

        JPanel rowTopPanel = new JPanel();
        rowTopPanel.setLayout(new GridLayout(0, 2));

        JLabel accKey = new JLabel("Access Key");
        JTextField accField = new JTextField(5);

        accField.setEditable(false);
        accField.setText(Data.accessKey);

        JLabel regNo = new JLabel("Registration Number");
        JTextField regField = new JTextField(5);

        regField.setEditable(false);
        regField.setText(Data.registrationNumber);

        JLabel licNo = new JLabel("License Number");
        JFormattedTextField licField = new JFormattedTextField();

        licField.setEditable(false);
        licField.setText(Data.licenseNumber);

        rowTopPanel.add(accKey);
        rowTopPanel.add(accField);
        rowTopPanel.add(regNo);
        rowTopPanel.add(regField);
        rowTopPanel.add(licNo);
        rowTopPanel.add(licField);

        topPanel.add(rowTopPanel);

        centerPanel.setLayout(new GridLayout(0, 1));
        centerPanel.setBorder(BorderFactory.createTitledBorder("QR Code"));

        JPanel rowCenPanel = new JPanel();
        rowCenPanel.setLayout(new FlowLayout(FlowLayout.CENTER));

        JButton genBtn = new JButton("Download QR Code");
        JButton homeBtn = new JButton("Back to Start");

        String accessKey = accField.getText().toString();
        String regKey = regField.getText().toString();
        String licKey = licField.getText().toString();
        JSONObject jsonObject = new JSONObject();
        try {
            jsonObject.put("accessKey", accessKey);
            jsonObject.put("registrationNumber", regKey);
            jsonObject.put("licenseNumber", licKey);
        } catch (JSONException e1) {
            e1.printStackTrace();
        }

        QRLogic qrGen = new QRLogic();
        BufferedImage image = qrGen.generateQR(jsonObject);
        centerPanel.add(new JLabel(new ImageIcon(image)));

        bottomPanel.setLayout(new GridLayout(2, 1));

        rowCenPanel.add(homeBtn);
        rowCenPanel.add(genBtn);
        bottomPanel.add(rowCenPanel);
        add(topPanel, BorderLayout.NORTH);
        add(bottomPanel, BorderLayout.SOUTH);
        add(centerPanel, BorderLayout.CENTER);
        Data.mainFrame.setSize(1000, 500);

        genBtn.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                Date date = new Date();
                String newDate = new SimpleDateFormat("yyyy-MM-dd h-m-a").format(date);
                JFileChooser fileChooser = new JFileChooser();
                fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
                File myFile = new File(Data.registrationNumber + ".png");
                fileChooser.setSelectedFile(myFile);
                fileChooser.showSaveDialog(null);
                String dlDir = fileChooser.getSelectedFile().getPath();
                System.out.println(dlDir);
                String fileName = fileChooser.getSelectedFile().getName();
                String filePath = "";
                if (fileName != null) {
                    filePath = dlDir + ".png";
                } else {
                    filePath = dlDir + "/" + Data.registrationNumber + ".png";
                }

                String fileType = "png";
                myFile = new File(filePath);

                if (dlDir != null) {

                    try {
                        ImageIO.write(image, fileType, myFile);
                        JOptionPane.showMessageDialog(Data.mainFrame, "QR Code Saved in " + dlDir);
                    } catch (IOException e1) {
                        e1.printStackTrace();
                    }

                }
            }
        });

        homeBtn.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                Data.mainFrame.showPanel("inventory");
            }
        });

        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (ClassNotFoundException e1) {
            e1.printStackTrace();
        } catch (InstantiationException e1) {
            e1.printStackTrace();
        } catch (IllegalAccessException e1) {
            e1.printStackTrace();
        } catch (UnsupportedLookAndFeelException e1) {
            e1.printStackTrace();
        }

    }

    public void start() {
        t = new Thread(this);
        t.start();
    }
}