ContactMain.java

package edu.java.contact06;

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JScrollPane;
import javax.swing.JTable;

import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;

import javax.swing.SwingConstants;
import javax.swing.table.DefaultTableModel;
import javax.swing.JTextArea;

public class ContactMain {
	
	private static ContactDAO dao;
	private static int size;

	private JFrame frame;
	private JTextField txtName;
	private JTextField txtSearch;
	private JTextField txtPhone;
	private JTextField txtEmail;
	private JTextField txtIndex;	
	private JTextArea txtAreaResult;
	
	private JTable table;
	private String[] colNames = {"No", "이름", "전화번호", "이메일"};
	private Object[] records = new Object[colNames.length];
	private DefaultTableModel tableModel;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		dao = ContactDAOImple.getInstance();
		
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					ContactMain window = new ContactMain();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public ContactMain() {
		initialize();
	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		frame = new JFrame();
		frame.setBounds(100, 100, 1000, 653);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.getContentPane().setLayout(null);
		
		JLabel lblConPro = new JLabel("Contact Program");
		lblConPro.setHorizontalAlignment(SwingConstants.CENTER);
		lblConPro.setFont(new Font("굴림", Font.PLAIN, 30));
		lblConPro.setBounds(268, 10, 415, 48);
		frame.getContentPane().add(lblConPro);
		
		JLabel lblConManage = new JLabel("연락처 관리");
		lblConManage.setFont(new Font("굴림", Font.PLAIN, 24));
		lblConManage.setHorizontalAlignment(SwingConstants.CENTER);
		lblConManage.setBounds(89, 59, 197, 33);
		frame.getContentPane().add(lblConManage);

		
		JLabel lblName = new JLabel("성      명");
		lblName.setHorizontalAlignment(SwingConstants.CENTER);
		lblName.setFont(new Font("굴림", Font.PLAIN, 18));
		lblName.setBounds(42, 102, 108, 36);
		frame.getContentPane().add(lblName);
		
		JLabel lblPhone = new JLabel("전화번호");
		lblPhone.setHorizontalAlignment(SwingConstants.CENTER);
		lblPhone.setFont(new Font("굴림", Font.PLAIN, 18));
		lblPhone.setBounds(42, 148, 108, 36);
		frame.getContentPane().add(lblPhone);
		
		JLabel lblEmail = new JLabel("이 메 일");
		lblEmail.setHorizontalAlignment(SwingConstants.CENTER);
		lblEmail.setFont(new Font("굴림", Font.PLAIN, 18));
		lblEmail.setBounds(42, 194, 108, 36);
		frame.getContentPane().add(lblEmail);
		
		txtName = new JTextField();
		txtName.setBounds(180, 102, 255, 36);
		frame.getContentPane().add(txtName);
		txtName.setColumns(10);
		
		txtPhone = new JTextField();
		txtPhone.setColumns(10);
		txtPhone.setBounds(180, 148, 255, 36);
		frame.getContentPane().add(txtPhone);
		
		txtEmail = new JTextField();
		txtEmail.setColumns(10);
		txtEmail.setBounds(180, 196, 255, 36);
		frame.getContentPane().add(txtEmail);		
		
		JButton btnRegister = new JButton("등      록");
		btnRegister.addActionListener(new ActionListener() {
			
			@Override
			public void actionPerformed(ActionEvent e) {
				insertContact();
			}
		});
		btnRegister.setFont(new Font("굴림", Font.PLAIN, 18));
		btnRegister.setBounds(42, 240, 393, 42);
		frame.getContentPane().add(btnRegister);
		
		JLabel lblIndex = new JLabel("수정/삭제할 인덱스");
		lblIndex.setHorizontalAlignment(SwingConstants.CENTER);
		lblIndex.setFont(new Font("굴림", Font.PLAIN, 18));
		lblIndex.setBounds(42, 292, 197, 36);
		frame.getContentPane().add(lblIndex);
		
		txtIndex = new JTextField();
		txtIndex.setColumns(10);
		txtIndex.setBounds(250, 293, 185, 36);
		frame.getContentPane().add(txtIndex);
		
		JButton btnModify = new JButton("수      정");
		btnModify.addActionListener(new ActionListener() {
			
			@Override
			public void actionPerformed(ActionEvent e) {
				modifyContact();
			}
		});
		btnModify.setFont(new Font("굴림", Font.PLAIN, 18));
		btnModify.setBounds(42, 339, 197, 42);
		frame.getContentPane().add(btnModify);
		
		JButton btnDelete = new JButton("삭      제");
		btnDelete.addActionListener(new ActionListener() {
			
			@Override
			public void actionPerformed(ActionEvent e) {
				deleteContact();
			}
		});
		btnDelete.setFont(new Font("굴림", Font.PLAIN, 18));
		btnDelete.setBounds(250, 339, 185, 42);
		frame.getContentPane().add(btnDelete);
		
		JLabel lblResult = new JLabel("실 행 결 과");
		lblResult.setHorizontalAlignment(SwingConstants.CENTER);
		lblResult.setFont(new Font("굴림", Font.PLAIN, 14));
		lblResult.setBounds(26, 391, 108, 22);
		frame.getContentPane().add(lblResult);
		
		JScrollPane sclPaneResult = new JScrollPane();
		sclPaneResult.setBounds(42, 423, 393, 182);
		frame.getContentPane().add(sclPaneResult);
		
		txtAreaResult = new JTextArea();
		sclPaneResult.setViewportView(txtAreaResult);
		
		JLabel lblConSearch = new JLabel("연락처 검색");
		lblConSearch.setFont(new Font("굴림", Font.PLAIN, 24));
		lblConSearch.setHorizontalAlignment(SwingConstants.CENTER);
		lblConSearch.setBounds(629, 59, 175, 33);
		frame.getContentPane().add(lblConSearch);
		
		txtSearch = new JTextField();
		txtSearch.setBounds(500, 102, 253, 33);
		frame.getContentPane().add(txtSearch);
		txtSearch.setColumns(10);
		
		JButton btnSearch = new JButton("검      색");
		btnSearch.addActionListener(new ActionListener() {
			
			@Override
			public void actionPerformed(ActionEvent e) {
				searchContact();
			}
		});
		btnSearch.setBounds(788, 102, 147, 36);
		frame.getContentPane().add(btnSearch);
		
		JScrollPane sclPaneSearch = new JScrollPane();
		sclPaneSearch.setBounds(500, 160, 435, 445);
		frame.getContentPane().add(sclPaneSearch);
	
		tableModel = new DefaultTableModel(colNames, 0);
		table = new JTable(tableModel);
		table.setFont(new Font("굴림", Font.PLAIN, 15));
		sclPaneSearch.setViewportView(table);
	}
	
	protected void insertContact() {
		txtAreaResult.append("연락처 정보 등록\n");
		String name = txtName.getText();
		String phone = txtPhone.getText();
		String email = txtEmail.getText();
		
		if(name.equals("") || phone.equals("") || email.equals("")) {
			txtAreaResult.append("정보 중 하나라도 비어있으면 안됩니다.\n");
			return;
		}
		
		ContactVO vo = new ContactVO(name, phone, email);
		int result = dao.insert(vo);
		if(result == 1) {
			txtAreaResult.append("연락처 등록 성공\n");
		} else {
			txtAreaResult.append("연락처 등록 실패\n");
		}	
	}

	protected void modifyContact() {
		size = ((ContactDAOImple)dao).getSize();
		if (size == 0) {
			txtAreaResult.append("연락처 등록을 먼저 해주세요\n");
			return;
		}
		
		String index = txtIndex.getText();
		try {
			int idx = Integer.parseInt(index);
			
			if (!(idx >= 1 && idx < size)) {
				txtAreaResult.append("올바르지 않은 인덱스입니다.\n");
				return;
			}
			
			String name = txtName.getText();
			String phone = txtPhone.getText();
			String email = txtEmail.getText();
			
			if(name.equals("") || phone.equals("") || email.equals("")) {
				txtAreaResult.append("정보 중 하나라도 비어있으면 안됩니다.\n");
				return;
			}
			
			ContactVO vo = new ContactVO(name, phone, email);
			
			int result = ((ContactDAOImple)dao).modify(idx, vo);
			if (result == 1) {
				txtAreaResult.append("연락처 [" + idx + "] 수정 성공\n");
			} else {
				txtAreaResult.append("연락처 [" + idx + "] 수정 실패\n");
			}
			
		} catch (Exception e2) {
			System.out.println(e2);
		}
	}

	protected void deleteContact() {
		size = ((ContactDAOImple)dao).getSize();
		if (size == 0) {
			txtAreaResult.append("연락처 등록을 먼저 해주세요\n");
			return;
		}
		
		String index = txtIndex.getText();
		try {
			int idx = Integer.parseInt(index);
			
			if (!(idx >= 0 && idx < size)) {
				txtAreaResult.append("올바르지 않은 인덱스입니다.\n");
				return;
			}
			
			int result = ((ContactDAOImple)dao).delete(idx);
			if (result == 1) {
				txtAreaResult.append("연락처 [" + idx + "] 삭제 성공\n");
			} else {
				txtAreaResult.append("연락처 [" + idx + "] 삭제 실패\n");
			}
			
		} catch (Exception e2) {
			System.out.println(e2);
		}
	}

	protected void searchContact() {
		size = ((ContactDAOImple)dao).getSize();
		if (size == 0) {
			txtAreaResult.append("연락처 등록을 먼저 해주세요\n");
			return;
		}
		
		if(txtSearch.getText().equals("")) {
			txtAreaResult.append("Total search\n");
			tableModel.setNumRows(0);
			
			ArrayList<ContactVO> list = dao.search();
			for (int i = 0; i < size; i++) {
				records[0] = i + 1;
				records[1] = list.get(i).getName();
				records[2] = list.get(i).getPhone();
				records[3] = list.get(i).getEmail();
				tableModel.addRow(records);
			}
			
		} else {
			txtAreaResult.append("Detail search\n");
			
			String index = txtSearch.getText();
			try {
				int idx = Integer.parseInt(index);
				
				if (!(idx >= 1 && idx < size)) {
					txtAreaResult.append("올바르지 않은 인덱스입니다.\n");
					return;
				}
				tableModel.setNumRows(0);
				
				ContactVO vo = dao.search(idx);					
				records[0] = idx;
				records[1] = vo.getName();
				records[2] = vo.getPhone();
				records[3] = vo.getEmail();
				tableModel.addRow(records);

			} catch (Exception e2) {
				System.out.println(e2);
			}
		}
	}	
}