DB_form

package Pacakage;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.table.DefaultTableModel;
public class DB_Form extends JFrame implements ActionListener{
	InputForms form;
	String [] heading = {"이름", "나이", "직업"};
	Object [] newrows;
	Object [][] rowdata= {{"홍길동","13","학생"},{"김유신","15","화랑"},{"김덕만","16","공주"}};
	static DefaultTableModel dtm;
	JLabel label = new JLabel("안녕 테이블~^^*", JLabel.CENTER);
	public static JTable table;
	JScrollPane scroll= new JScrollPane(table);
	JButton erase = new JButton("삭제");
	JButton exit = new JButton("종료");
	JScrollPane panel;
	JPanel panel2 = new JPanel();
	JPanel panel3 = new JPanel();
	Dimension dimen, dimen1;
	int xpos, ypos;
	
	public DB_Form() {
		dtm = new DefaultTableModel(rowdata,heading);
		table = new JTable(dtm);
		panel = new JScrollPane(table);
		panel2.add(erase); panel2.add(exit);
		table.setPreferredScrollableViewportSize(new Dimension(200,200));
		table.setFillsViewportHeight(true);
		form = new InputForms();
		panel3.add(panel2);
		panel3.add(form.panel2);
		panel3.setLayout(new GridLayout(0, 2));
		this.add("West", panel3);
		this.add("North", label);
		this.add("Center", panel);
		this.add("South", panel2);
		this.setVisible(true);
		this.setTitle("Table테스트");
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setSize(700, 720);
		table.addMouseListener(new myevent());
		erase.addActionListener(this);
		exit.addActionListener(this);
		dimen = Toolkit.getDefaultToolkit().getScreenSize();
		dimen1=this.getSize();
		xpos = (int) (dimen.getWidth() / 2 - dimen1.getWidth() / 2);
		ypos = (int) (dimen.getHeight() / 2 - dimen1.getHeight() / 2);
		this.setLocation(xpos, ypos);
		form.summit.addActionListener(this);
		form.cancel.addActionListener(this);
	}
	public static void main(String[] args) {
		//new DB_Form();
	}
	public class myevent extends MouseAdapter {
		@Override
		public void mouseClicked(MouseEvent e) {
			int srow = table.getSelectedRow();
			Object name = table.getValueAt(srow, 0);
			Object age = table.getValueAt(srow, 1);
			Object job = table.getValueAt(srow, 2);
			label.setText("이름:" + name + ", 나이:" + age + ", 직업:" + job);
			form.text_name.setText((String)name);
			form.text_age.setText((String)age);
			form.text_job.setText((String)job);
		}
	}
	@Override
	public void actionPerformed(ActionEvent e) {
		Object o = e.getSource();
		Object name, age, job;
	
		if(o==form.summit && table.getSelectedRow() < 0){
				name = form.text_name.getText();
				age = form.text_age.getText();
				job = form.text_job.getText();
				int name_l = form.text_name.getText().length();
				int age_l = form.text_age.getText().length();
				int job_l = form.text_job.getText().length();
				if(name_l == 0) {
					JOptionPane.showMessageDialog(null, "이름을 입력하세요");
					form.text_name.requestFocus();
				}
				else if(age_l == 0) {
					JOptionPane.showMessageDialog(null, "나이를 입력하세요");
					form.text_age.requestFocus();
				}
				else if(job_l == 0) {
					JOptionPane.showMessageDialog(null, "직업을 입력하세요");
					form.text_job.requestFocus();
				}
				else {
				form.setdata(name, age, job);
				dtm.addRow(form.getdata());
				}
		}
		if(o==form.cancel){
			this.setVisible(true);	
		}
		if(o == erase) {
			String delName = JOptionPane.showInputDialog(null, "삭제할 이름:");
			if(delName == null) return;
			if(delName.length() ==0) {
				JOptionPane.showMessageDialog(null, "삭제할이름 입력!!");
				return;
			}
			for(int i=0; i<table.getRowCount(); i++) {
				if(delName.equals(table.getValueAt(i, 0))) {
					dtm.removeRow(i);
				}
			}
		}
		
		if((o==form.summit && table.getSelectedRow() > 0))
			 {
				int srow = table.getSelectedRow();
				name = form.text_name.getText();
				age = form.text_age.getText();
				job = form.text_job.getText();
				int age_l = form.text_age.getText().length();
				int name_l = form.text_name.getText().length();
				int job_l = form.text_job.getText().length();
				if(age_l == 0) {
					JOptionPane.showMessageDialog(null, "나이를 입력하세요");
					form.text_age.requestFocus();
				}
				else if(job_l == 0) {
					JOptionPane.showMessageDialog(null, "직업을 입력하세요");
					form.text_job.requestFocus();
				}
				else if(name_l == 0) {
					JOptionPane.showMessageDialog(null, "이름을 입력하세요");
					form.text_name.requestFocus();
				}
				else {
				dtm.setValueAt(name, srow,  0);
				dtm.setValueAt(age, srow, 1);
				dtm.setValueAt(job, srow, 2);
				}
			}
		if(o == exit) {
			System.exit(0);
		}
		
	}
}

class InputForms{
	JTableNO3 jt;
	JTextField text_name, text_age, text_job;
	JLabel label_name, label_age, label_job;
	JButton summit, cancel;
	JPanel panel, panel2;
	Object [] newrows;
	Dimension dimen, dimen1;
	int xpos, ypos;
public InputForms() {
	text_name = new JTextField();
	text_age = new JTextField();
	text_job = new JTextField();
	label_name = new JLabel("이름");
	label_age = new JLabel("나이");
	label_job = new JLabel("직업");
	summit = new JButton("입력");
	cancel = new JButton("취소");
	panel = new JPanel(); panel2 = new JPanel();
	panel.setLayout(new GridLayout(4,2));
	panel.add(label_name); panel.add(text_name); 
	panel.add(label_age); panel.add(text_age); 
	panel.add(label_job); panel.add(text_job); 
	panel.add(summit); panel.add(cancel);
	panel.setSize(700, 700);
	panel2.add(panel);
	}
	public void setdata(Object name, Object age, Object job){
		Object [] newrows = {name, age, job};
		this.newrows = newrows;
		
	}
	public Object[] getdata(){
		return this.newrows;
	}
}