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누군가가 내 계산기 기록을 문자열로 저장하고 사용자가 H 키를 눌렀을 때 기록을 보여줄 수있는 기능을 도와 주길 바랬습니다. 운영자를 포함하여 눌러 진 각 버튼을 기록하려고합니다. 어떤 도움을 주셔서 감사합니다. 감사.자바 계산기 히스토리 기능
public class GUI extends JPanel implements KeyListener {
private JButton b1;
private JButton b2;
private JButton b3;
private JButton b4;
private JButton b5;
private JButton b6;
private JButton b7;
private JButton b8;
private JButton b9;
private JButton b0;
private JButton add;
private JButton subtract;
private JButton multiply;
private JButton divide;
private JButton solve;
private JButton clear;
private JButton decimal;
private JButton sqrt;
private JButton recip;
private JButton backSpace;
private JButton ms;
private JButton mr;
private JButton mc;
private JButton percent;
private JButton love;
private JTextField jtf;
String display = "";
String mStore;
String history;
boolean multiplyBool = false;
boolean divideBool = false;
boolean addBool = false;
boolean subtractBool = false;
boolean percentBool = false;
ImageIcon heart = new ImageIcon("heartt.png");
private CalcLogic cl = new CalcLogic();
public GUI(){
setLayout(new BorderLayout());
JPanel p3 = new JPanel(new BorderLayout());
p3.setFont(new Font("Arial", Font.BOLD, 30));
p3.add(jtf = new JTextField("0",12));
jtf.setEditable(false);
jtf.setHorizontalAlignment(JTextField.RIGHT);
jtf.setFont(new Font("Arial", Font.BOLD, 40));
JPanel p2 = new JPanel();
p2.setBackground(Color.CYAN);
p2.setLayout(new GridLayout(5,5,2,2));
//row 1 buttons
p2.add(mc = new JButton("MC"));
mc.setFont(new Font("Arial", Font.BOLD, 12));
p2.add(mr = new JButton("MR"));
mr.setFont(new Font("Arial", Font.BOLD, 12));
p2.add(ms = new JButton("MS"));
ms.setFont(new Font("Arial", Font.BOLD, 12));
p2.add(divide = new JButton("\u00F7"));
divide.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(backSpace = new JButton("\u2190"));
backSpace.setFont(new Font("Arial Bold", Font.BOLD, 18));
//row 2 buttons
p2.add(b7 = new JButton("7"));
b7.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(b8 = new JButton("8"));
b8.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(b9 = new JButton("9"));
b9.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(multiply = new JButton("\u00D7"));
multiply.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(sqrt = new JButton("\u221A"));
sqrt.setFont(new Font("Arial", Font.PLAIN, 20));
//row 3 buttons
p2.add(b4 = new JButton("4"));
b4.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(b5 = new JButton("5"));
b5.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(b6 = new JButton("6"));
b6.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(subtract = new JButton("\u2212"));
subtract.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(recip = new JButton("1/x"));
recip.setFont(new Font("Arial", Font.PLAIN, 14));
//row 4 buttons
p2.add(b1 = new JButton("1"));
b1.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(b2 = new JButton("2"));
b2.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(b3 = new JButton("3"));
b3.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(add = new JButton("+"));
add.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(percent = new JButton("%"));
percent.setFont(new Font("Arial", Font.PLAIN, 20));
//row 5 buttons
p2.add(b0 = new JButton("0"));
b0.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(decimal = new JButton("."));
decimal.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(clear = new JButton("C"));
clear.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(solve = new JButton("="));
solve.setFont(new Font("Arial", Font.PLAIN, 20));
p2.add(love = new JButton(heart));
love.addActionListener(new LoveListener());
add(p3, BorderLayout.NORTH);
add(p2, BorderLayout.CENTER);
this.setFocusable(true);
addKeyListener(this);
ActionListener buttonListener = new buttonListener();
ActionListener ClearListener = new ClearListener();
b7.addActionListener(buttonListener);
b8.addActionListener(buttonListener);
b9.addActionListener(buttonListener);
add.addActionListener(new addListener());
b4.addActionListener(buttonListener);
b5.addActionListener(buttonListener);
b6.addActionListener(buttonListener);
subtract.addActionListener(new subtractListener());
b1.addActionListener(buttonListener);
b2.addActionListener(buttonListener);
b3.addActionListener(buttonListener);
multiply.addActionListener(new multiplyListener());
b0.addActionListener(buttonListener);
decimal.addActionListener(buttonListener);
clear.addActionListener(ClearListener);
solve.addActionListener(new solveListener());
divide.addActionListener(new divideListener());
sqrt.addActionListener(new sqrtListener());
recip.addActionListener(new recipListener());
backSpace.addActionListener(new backSpaceListener());
ms.addActionListener(new msListener());
mr.addActionListener(new mrListener());
mc.addActionListener(new mcListener());
percent.addActionListener(new percentListener());
} //GUI()
private void action_clear(){
jtf.setText("");
display = jtf.getText();
//op = "";
cl.setTotal("0");
multiplyBool = false;
addBool = false;
subtractBool = false;
divideBool = false;
}
public class buttonListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
String digit = e.getActionCommand();
jtf.setText(display + digit);
display = jtf.getText();
playSound("Click.wav");
}
}//buttonListener
public class multiplyListener implements ActionListener
{
private CalcLogic cl = new CalcLogic();
public void actionPerformed(ActionEvent e)
{
if(multiplyBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
}
cl.multiply(display);
jtf.setText(cl.getString());
display = "";
}else if(divideBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
}
cl.divide(display);
jtf.setText(cl.getString());
display = "";
}else if(addBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
cl.percMult(display);
display = cl.getPercent();
}
cl.add(display);
jtf.setText(cl.getString());
display = "";
}else if (subtractBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
cl.percMult(display);
display = cl.getPercent();
}
cl.subtract(display);
jtf.setText(cl.getString());
display = "";
}else
{
cl.setTotal(display);
jtf.setText("");
multiplyBool = true;
divideBool = false;
addBool = false;
subtractBool = false;
percentBool = false;
display = "";
}
multiplyBool = true;
divideBool = false;
addBool = false;
subtractBool = false;
percentBool = false;
}
}
public class divideListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
if(multiplyBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
}
cl.multiply(display);
jtf.setText(cl.getString());
display ="";
}else if(divideBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
}
cl.divide(display);
jtf.setText(cl.getString());
display = "";
}else if(addBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
cl.percMult(display);
display = cl.getPercent();
}
cl.add(display);
jtf.setText(cl.getString());
display = "";
}else if (subtractBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
cl.percMult(display);
display = cl.getPercent();
}
cl.subtract(display);
jtf.setText(cl.getString());
display = "";
}else
{
cl.setTotal(display);
jtf.setText("");
divideBool = true;
multiplyBool = false;
addBool = false;
subtractBool = false;
percentBool = false;
display = "";
}
multiplyBool = false;
divideBool = true;
addBool = false;
subtractBool = false;
percentBool = false;
}
}
public class addListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
if(multiplyBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
}
cl.multiply(display);
jtf.setText(cl.getString());
display ="";
}else if(divideBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
}
cl.divide(display);
jtf.setText(cl.getString());
display = "";
}else if(addBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
cl.percMult(display);
display = cl.getPercent();
}
cl.add(display);
jtf.setText(cl.getString());
display = "";
}else if (subtractBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
cl.percMult(display);
display = cl.getPercent();
}
cl.subtract(display);
jtf.setText(cl.getString());
display = "";
}else
{
cl.setTotal(display);
jtf.setText("");
divideBool = false;
multiplyBool = false;
addBool = true;
subtractBool = false;
percentBool = false;
display = "";
}
divideBool = false;
multiplyBool = false;
subtractBool = false;
addBool = true;
percentBool = false;
}
}//addListener
public class subtractListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
if(multiplyBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
}
cl.multiply(display);
jtf.setText(cl.getString());
display ="";
}else if(divideBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
}
cl.divide(display);
jtf.setText(cl.getString());
display = "";
}else if(addBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
cl.percMult(display);
display = cl.getPercent();
}
cl.add(display);
jtf.setText(cl.getString());
display = "";
}else if (subtractBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
cl.percMult(display);
display = cl.getPercent();
}
cl.subtract(display);
jtf.setText(cl.getString());
display = "";
}else
{
cl.setTotal(display);
jtf.setText("");
divideBool = false;
multiplyBool = false;
addBool = false;
subtractBool = true;
percentBool = false;
display = "";
}
divideBool = false;
multiplyBool = false;
addBool = false;
subtractBool = true;
percentBool = false;
}
}//subtractListener
public class sqrtListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
cl.setTotal(display);
cl.squareRoot(display);
jtf.setText(cl.getString());
playSound("Click.wav");
}
}
public class recipListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
cl.setTotal(display);
cl.reciprical(display);
jtf.setText(cl.getString());
playSound("Click.wav");
}
}
public class backSpaceListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
jtf.setText("");
display = "";
}
}
public class msListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
mStore = jtf.getText();
}
}
public class mrListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
jtf.setText(mStore);
display = mStore;
}
}
public class mcListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
mStore = "";
}
}
public class percentListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
percentBool = true;
}
}
public class solveListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
playSound("that_was_easy.wav");
if(multiplyBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
}
cl.multiply(display);
jtf.setText(cl.getString());
}else if(divideBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
}
cl.divide(display);
jtf.setText(cl.getString());
}else if(addBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
cl.percMult(display);
display = cl.getPercent();
}
cl.add(display);
jtf.setText(cl.getString());
}else if (subtractBool == true)
{
if (percentBool==true)
{
cl.percentage(display);
display = cl.getPercent();
cl.percMult(display);
display = cl.getPercent();
}
cl.subtract(display);
jtf.setText(cl.getString());
}
multiplyBool = false;
addBool = false;
subtractBool = false;
divideBool = false;
percentBool = false;
//display = jtf.getText();
}
}
public class ClearListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
action_clear();
playSound("Click.wav");
}//ClearListener
}
public void keyTyped(KeyEvent e){
if(e.getKeyCode() == KeyEvent.VK_H){
System.out.println(history);
)
public void keyTyped(KeyEvent e){
}
public void keyReleased(KeyEvent e){
}
}