SmallEditor

package Package;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.event.*;
import javax.swing.*;

public class gui_exam extends JFrame{
	JTextPane editarea;
	JButton btn_edit, btn_copy, btn_cut, btn_paste, btn_exit;
	JPanel panel, panel2;
	
	public gui_exam(){
		EditWindows();
		this.setTitle("편집기");
		this.setSize(500, 500);
		this.setVisible(true);
	}
	
	void EditWindows() {
		panel = new JPanel(); panel2 = new JPanel();
		btn_edit = new JButton("편집"); btn_copy = new JButton("복사");
		btn_cut = new JButton("잘라내기"); btn_paste = new JButton("붙여넣기");
		btn_exit = new JButton("종료");
		
		editarea = new JTextPane();
		editarea.setPreferredSize(new Dimension(500, 500));
		editarea.setEditable(false);
		editarea.setSelectionColor(Color.yellow);
		editarea.setBackground(Color.white);
		editarea.setSelectedTextColor(Color.red);
		
		panel.add(btn_edit); panel.add(btn_copy);
		panel.add(btn_cut); panel.add(btn_paste); panel.add(btn_exit);
		panel2.add(editarea);
		
		this.add("North", panel);
		this.add("Center", panel2);
		btn_edit.addActionListener(new MyListener());
		btn_copy.addActionListener(new MyListener());
		btn_cut.addActionListener(new MyListener());
		btn_paste.addActionListener(new MyListener());
		btn_exit.addActionListener(new MyListener());
	}
	class MyListener implements ActionListener{

		@Override
		public void actionPerformed(ActionEvent e) {
			if(e.getSource()==btn_edit) {
				editarea.setEditable(true);
				btn_edit.setBackground(Color.cyan);
				editarea.requestFocus();
			}
			else if(e.getSource()==btn_copy) {
				editarea.copy();
			}
			else if(e.getSource()==btn_cut) {
				editarea.cut();
			}
			else if(e.getSource()==btn_paste) {
				editarea.paste();
			}
			else if(e.getSource()==btn_exit) {
				System.exit(0);
			}
		}
		
	}
	public static void main(String[] args) {
		new gui_exam();
	}

}