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[동영상강의] Hmk - Java15 _윈도우빌더(라디오버튼, 텍스트 입력, 콤보박스, 프로그레스)

2017-09-03 18:46:12 By 머나먼나라 0 3763 댓글수 4 포스트 하기

4월 2024
일	월	화	수	목	금	토
	1	2	3	4	5	6
7	8	9	10	11	12	13
14	15	16	17	18	19	20
21	22	23	24	25	26	27
28	29	30

배경색 변경
직접 타이핑

result.setOpaque(true);//불투명

class ComboboxFrame

package java12;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JComboBox;
import javax.swing.DefaultComboBoxModel;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

//콤보박스 : 아이템 선택 기능 + 입력기능
public class ComboboxFrame extends JFrame {

	private JPanel contentPane;
	private JLabel label;
	private JComboBox comboBox;

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

	/**
	 * Create the frame.
	 */
	public ComboboxFrame() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 652, 656);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		comboBox = new JComboBox();
		comboBox.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				
				comboBox=(JComboBox)e.getSource();
				String name=(String)comboBox.getSelectedItem();
				
				if(name.equals("강아지")){
					name="dog.png";
				}else if(name.equals("사자")){
					
					name="lion.png";
				}else if(name.equals("호랑이")){
					name="tiger.png";
				}
				
				ImageIcon icon =new ImageIcon(getClass().getResource("/java12/"+ name));
				if(icon!=null){
					label.setIcon(icon);
				}else{
					label.setText("이미지를 선택하세요");
				}
				
				
			}
		});
		comboBox.setModel(new DefaultComboBoxModel(new String[] {"사자", "호랑이", "강아지"}));
		comboBox.setBounds(129, 125, 261, 21);
		contentPane.add(comboBox);
		
		label = new JLabel("");
		label.setBounds(129, 174, 261, 223);
		contentPane.add(label);
	}
}

class LoginTest

package java12;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JPasswordField;
import javax.swing.JScrollBar;
import java.awt.SystemColor;

public class LoginTest extends JFrame {

	private JPanel contentPane;
	private JTextField id;
	private JLabel result;
	private JPasswordField pwd;

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

	/**
	 * Create the frame.
	 */
	public LoginTest() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 300);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		JLabel lblNewLabel = new JLabel("아이디");
		lblNewLabel.setBounds(70, 30, 57, 15);
		contentPane.add(lblNewLabel);
		
		id = new JTextField();
		id.setBounds(192, 27, 116, 21);
		contentPane.add(id);
		id.setColumns(10);
		
		JLabel lblNewLabel_1 = new JLabel("비밀번호");
		lblNewLabel_1.setBounds(70, 91, 57, 15);
		contentPane.add(lblNewLabel_1);
		
		JButton btnNewButton = new JButton("로그인");
		btnNewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				
				String strId=id.getText();
				String strPw=String.valueOf(pwd.getPassword());
				if(strId.equals("kim") && strPw.equals("1234")){
					result.setText("김철수님 환영합니다.");
					result.setForeground(Color.blue); //글자 색 변경
				}else{
					result.setText("아이디 또는 비밀 번호가 일치하지 않습니다.");
					result.setForeground(Color.RED);
				}
			}
		});
		btnNewButton.setBounds(139, 143, 97, 23);
		contentPane.add(btnNewButton);
		
		result = new JLabel("로그인 결과");
		result.setBackground(SystemColor.activeCaption);
		result.setBounds(83, 201, 301, 51);
		contentPane.add(result);
		
		result.setOpaque(true);//불투명
		
		pwd = new JPasswordField();
		pwd.setBounds(192, 88, 116, 21);
		contentPane.add(pwd);
	}
}

class ProgressTest

package java12;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JProgressBar;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class ProgressTest extends JFrame implements Runnable {

	private JPanel contentPane;
	private JProgressBar pb;

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

	/**
	 * Create the frame.
	 */
	public ProgressTest() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 625, 476);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		pb = new JProgressBar();
		pb.setStringPainted(true);
		pb.setBounds(71, 83, 401, 35);
		contentPane.add(pb);
		
		JButton btn = new JButton("확인");
		btn.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {

				//백그라운드 스레드 실행
				Thread th =new Thread(ProgressTest.this);
				th.start();//스레드 시작 요청 => run 메소드 호출
			}
		});
		btn.setBounds(211, 233, 97, 23);
		contentPane.add(btn);
	}
	
	@Override
	public void run() {
		for(int i=0; i<=100; i++){
			pb.setValue(i); //프레그레스 바의 값을 변경시킴
			
			try {
				Thread.sleep(50);
			} catch (InterruptedException e1) {
				// TODO Auto-generated catch block
				e1.printStackTrace();
			}
			
		}

		JOptionPane.showMessageDialog(this, "완료되었습니다.");
	}
	

	
	
	
}

class RadioButtonFrame

package java12;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JLabel;
import javax.swing.JRadioButton;
import javax.swing.ButtonGroup;
import java.awt.event.ItemListener;
import java.awt.event.ItemEvent;
import java.awt.Font;
import java.awt.Color;

public class RadioButtonFrame extends JFrame {

	private JPanel contentPane;
	private final ButtonGroup buttonGroup = new ButtonGroup();
	private JLabel result;

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

	/**
	 * Create the frame.
	 */
	public RadioButtonFrame() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 615, 364);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		JLabel text = new JLabel("어떤 크기의 커피를 주문하시겠습니까?");
		text.setBounds(54, 56, 318, 15);
		contentPane.add(text);
		
		JRadioButton small = new JRadioButton("Small Size");
		small.setFont(new Font("궁서체", Font.PLAIN, 20));
		small.addItemListener(new ItemListener() {
			public void itemStateChanged(ItemEvent e) {
				result.setText("Small Size 사이즈를 주문 했습니다.");
			}
		});
		buttonGroup.add(small);
		small.setBounds(27, 129, 145, 23);
		contentPane.add(small);
		
		JRadioButton medium = new JRadioButton("Medium Size");
		medium.addItemListener(new ItemListener() {
			public void itemStateChanged(ItemEvent e) {
				result.setText("Medium Size 사이즈를 주문 했습니다.");
			}
		});
		buttonGroup.add(medium);
		medium.setBounds(205, 131, 121, 23);
		contentPane.add(medium);
		
		JRadioButton large = new JRadioButton("Large Size");
		large.addItemListener(new ItemListener() {
			public void itemStateChanged(ItemEvent e) {
				result.setText("Large Size 사이즈를 주문 했습니다.");
				
			}
		});
		buttonGroup.add(large);
		large.setBounds(363, 129, 121, 23);
		contentPane.add(large);
		
		result = new JLabel("주문내역");
		result.setFont(new Font("08서울남산체 M", Font.PLAIN, 20));
		result.setForeground(Color.RED);
		result.setBounds(73, 235, 397, 45);
		contentPane.add(result);
	}
}

class SliderFrame2

class TextAreaFrame

package java12;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JTextField;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class TextAreaFrame extends JFrame {

	private JPanel contentPane;
	private JTextField textField;
	private JTextArea textArea;

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

	/**
	 * Create the frame.
	 */
	public TextAreaFrame() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 625, 446);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(new BorderLayout(0, 0));
		
		textField = new JTextField();
		textField.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				
				textArea.append(textField.getText() +"\n");
				textField.setText(""); //텍스트 필드 지우기
				//textField.requestFocus();//입력 커서 설정
				
				textArea.requestFocus();
				
			}
		});
		contentPane.add(textField, BorderLayout.NORTH);
		textField.setColumns(10);
		
		JScrollPane scrollPane = new JScrollPane();
		contentPane.add(scrollPane, BorderLayout.CENTER);
		
		textArea = new JTextArea();
		textArea.setRows(10);
		textArea.setColumns(30);
		scrollPane.setViewportView(textArea);
	}

}

class TextFieldFrame

package java12;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class TextFieldFrame extends JFrame {

	private JPanel contentPane;
	private JTextField text;
	private JTextField result;

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

	/**
	 * Create the frame.
	 */
	public TextFieldFrame() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 392, 323);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		JLabel lblNewLabel = new JLabel("숫자 입력");
		lblNewLabel.setBounds(42, 66, 78, 15);
		contentPane.add(lblNewLabel);
		
		text = new JTextField();
		text.setBounds(117, 63, 116, 21);
		contentPane.add(text);
		text.setColumns(10);
		
		JLabel lblNewLabel_1 = new JLabel("결과");
		lblNewLabel_1.setBounds(42, 144, 57, 15);
		contentPane.add(lblNewLabel_1);
		
		JButton btnNewButton = new JButton("확인");
		btnNewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				
		//사용자가 입력한 값
	//Integer.parseInt(문자열) 문자열을 숫자로 변환
   // A.equals(B) A와 B의 내용을 비교
  // A==B A와 B의 주소값을 비교				
				if(text.getText().equals("")  || text.getText()==null){//빈값이면
				//if(text.getText(0=="") { //주소값 비교	
					//메시지 대화상자 호출
					JOptionPane.showMessageDialog(null, "숫자를 입력하세요");
					return; //method 를 종료시킴
				}		
				//사용자가 입력한 갑
				int num =Integer.parseInt(text.getText());
				//제곱한 값 계산
				result.setText(num*num+"");
				
			}
		});
		
		
		btnNewButton.setBounds(118, 207, 97, 23);
		contentPane.add(btnNewButton);
		
		result = new JTextField();
		result.setEditable(false);
		result.setBounds(117, 141, 116, 21);
		contentPane.add(result);
		result.setColumns(10);
	}
}