15.01.21 달력과제 2차(awt)

 awt를 이용한 달력 만들기입니다.

 년도와 월을 선택후 달력보기를 클릭하면

 해당월의 달력이 나타납니다.

현재일자는 위처럼 표시되게 하였습니다.

이전이나 다음달을 누르면 바로바로 해당달력으로 이동하게 됩니다.

[소스보기]

package Calendar_Hw;

import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Choice;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Label;
import java.awt.MenuItem;
import java.awt.Panel;
import java.awt.PopupMenu;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.ArrayList;
import java.util.Calendar;

class CalendarForm extends Frame implements ActionListener {
 String[] day = new String[] { "일", "월", "화", "수", "목", "금", "토" };
 Font font;
 Font day_font;
 Panel title_pan; // 년도와 월이 들어갈 패널
 Panel day_pan; // 월~일까지 들어갈 패널
 Panel date_pan; // 1~31일까지 들어갈 패널
 Label year_value;
 Label year_label;
 Label month_value;
 Label month_label;
 Label day_label;
 MyFrame myframe;
 String y_value;
 String m_value;
 Button day_btn;
 Button left_btn;
 Button right_btn;
 int year;
 int month;
 int now_year;
 int now_month;
 int now_day;

 CalendarForm(String Title, MyFrame f) {
  super(Title);
  setLayout(new BorderLayout());
  myframe = f;
  font = new Font("굴림체", Font.BOLD, 21);
  day_font = new Font("굴림체", Font.BOLD, 18);
  title_pan = new Panel();
  day_pan = new Panel();
  day_pan.setLayout(new GridLayout(0, 7));
  date_pan = new Panel();
  date_pan.setLayout(new GridLayout(0, 7));
  year_value = new Label();
  year_label = new Label("년");
  month_value = new Label();
  month_label = new Label("월");
  month_value = new Label();
  left_btn = new Button();
  left_btn.setLabel("◀");
  right_btn = new Button();
  right_btn.setLabel("▶");
  year_value.setFont(font);
  year_label.setFont(font);
  month_value.setFont(font);
  month_label.setFont(font);

  right_btn.addActionListener(this); // 다음달보기 버튼클릭
  left_btn.addActionListener(this); // 이전달보기 버튼클릭

  for (int count = 0; count < 7; count++) {
   day_label = new Label(day[count], Label.CENTER);
   day_label.setFont(font);
   day_pan.add(day_label);
   add(day_pan, "Center");
  }
 }

 void setvalue() {
  y_value = myframe.year_cho.getSelectedItem();
  m_value = myframe.month_cho.getSelectedItem();

  year = Integer.parseInt(y_value);
  month = Integer.parseInt(m_value);
 }

 void setbutton() {
  Calendar calendar = Calendar.getInstance();
  now_year = calendar.get(Calendar.YEAR); // 2015
  now_month = calendar.get(Calendar.MONTH) + 1; // 1
  now_day = calendar.get(Calendar.DATE); // 21

  year_value.setText("  " + year);
  month_value.setText("" + month);
  calendar.set(year, month - 1, 1);
  int last_day = calendar.getActualMaximum(Calendar.DATE);
  System.out.println(month + "월");

  int day = 1;
  int first_day = calendar.get(Calendar.DAY_OF_WEEK);
  int u = first_day - 2;
  for (int a = 1; a < 6; a++) {
   for (int b = 1; b < 8; b++) {
    u++;
    if (u % 7 == 0) {
     if (day_btn != null) {
      day_btn.setFont(day_font);
     }
     System.out.println();
    }
    if (day <= last_day) {
     if (day == 1) {
      for (int t = 1; t < first_day; t++) {
       day_btn = new Button(" ");
       day_btn.setBackground(Color.white);
       date_pan.add(day_btn);
       System.out.print("\t");
      }
     }

     day_btn = new Button("" + day);
     int aaa = Integer.parseInt(day_btn.getActionCommand());
     int bbb = year;
     int ccc = month;
     if (bbb == now_year && ccc == now_month && aaa == now_day) {
      day_btn.setBackground(Color.pink); // 현재날짜표시
     } else {
      day_btn.setBackground(Color.white);
     }
     day_btn.setFont(day_font);

     if (u % 7 == 0) {
      day_btn.setForeground(Color.red);
      day_btn.setFont(day_font);
     }
     date_pan.add(day_btn);
     System.out.print(day + "\t");
     day++;

    } else {
     continue;
    }
   }

  }
 }

 void addComponent() {
  title_pan.add(left_btn);
  title_pan.add(year_value);
  title_pan.add(year_label);
  title_pan.add(month_value);
  title_pan.add(month_label);
  title_pan.add(right_btn);
  add(title_pan, "North");
  date_pan.setLayout(new GridLayout(0, 7));
  date_pan.add(day_btn);
  day_pan.getComponent(0).setForeground(Color.red);
  day_pan.getComponent(6).setForeground(Color.blue);
  int com_num = date_pan.getComponentCount();
  for (int a = 6; a < com_num; a = a + 7) {
   date_pan.getComponent(a).setForeground(Color.blue);
  }
  add(date_pan, "South");
 }

 public void actionPerformed(ActionEvent e) {
  if (e.getActionCommand() == "▶") {
   CalendarForm c = new CalendarForm("달력보기", myframe);
   c.setVisible(true);
   if (month >= 0 && month < 12) {
    c.year = year;
    c.month = month += 1;
   } else {
    c.year = year + 1;
    c.month = 1;
   }
   c.setbutton();
   c.addComponent();
   c.pack();
   setVisible(false);
   c.setResizable(false);
   c.setLocation(getLocation());
   System.out.println("다음달보기");

  } else {
   CalendarForm c = new CalendarForm("달력보기", myframe);
   c.setVisible(true);
   if (month > 1 && month <= 12) {
    c.year = year;
    c.month = month -= 1;
   } else {
    c.year = year - 1;
    c.month = 12;
   }
   c.setbutton();
   c.addComponent();
   c.pack();
   setVisible(false);
   c.setResizable(false);
   c.setLocation(getLocation());
   System.out.println("이전달보기");
  }

 }
}

class MyFrame extends Frame implements ActionListener {
 Choice year_cho;
 Choice month_cho;
 Label year_label, month_label;
 Button view_cal;

 public MyFrame(String Title) {
  super(Title);
  setLayout(new FlowLayout());
  year_cho = new Choice();
  month_cho = new Choice();
  year_label = new Label("년");
  month_label = new Label("월");
  for (int year = 2015; year < 2100; year++) {
   year_cho.add("" + year);
  }
  for (int month = 1; month <= 12; month++) {
   month_cho.add("" + month);
  }
  view_cal = new Button("달력보기");

  view_cal.addActionListener(this);

  add(year_cho);
  add(year_label);
  add(month_cho);
  add(month_label);
  add(view_cal);

  addWindowListener(new WindowAdapter() {
   public void windowClosing(WindowEvent e) {
    System.exit(1);
   }
  });

 }

 public void actionPerformed(ActionEvent e) {
  if (e.getActionCommand() == "달력보기") {
   CalendarForm c = new CalendarForm("달력보기", this);

   c.setBounds(600, 200, 320, 250);
   c.setVisible(true);
   c.setvalue();
   c.setbutton();
   c.addComponent();
   c.pack();
   setVisible(false);
   c.setResizable(false);

  }
 }
}

public class Main {
 public static void main(String[] args) {
  MyFrame f = new MyFrame("달력");
  f.setBounds(400, 200, 300, 200);
  f.setVisible(true);

 }
}