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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
| import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class calcul extends JFrame implements ActionListener{
String[] tabCar = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "0", ".", "=", "C", "+", "-", "*", "/"};
JButton[] tabBut = new JButton[tabCar.length];
private JPanel panOrg = new JPanel();
private JLabel ecran = new JLabel("0");
private Dimension dimChf = new Dimension(50, 40);
private Dimension dimOpr = new Dimension(50, 30);
public String caractere="";
public double chiffre1;
public double chiffre;
public calcul(){
this.setAlwaysOnTop(true);
this.setSize(240, 250);
this.setLocationRelativeTo(null);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setResizable(false);
JPanel chiffre = new JPanel();
chiffre.setPreferredSize(new Dimension(165, 225));
JPanel operateur = new JPanel();
operateur.setPreferredSize(new Dimension(55, 225));
JPanel panEcran = new JPanel();
panEcran.setPreferredSize(new Dimension(220, 30));
ecran.setHorizontalAlignment(JLabel.RIGHT);
ecran.setPreferredSize(new Dimension(220, 20));
for (int i=0;i<tabCar.length;i++){
tabBut[i]=new JButton(tabCar[i]);
tabBut[i].setPreferredSize(dimChf);
switch(i){
case 11:
tabBut[i].addActionListener(this);
chiffre.add(tabBut[i]);
break;
case 12:
tabBut[i].addActionListener(this);
tabBut[i].setPreferredSize(dimOpr);
operateur.add(tabBut[i]);
break;
case 13:
tabBut[i].addActionListener(this);
tabBut[i].setPreferredSize(dimOpr);
operateur.add(tabBut[i]);
break;
case 14:
tabBut[i].addActionListener(this);
tabBut[i].setPreferredSize(dimOpr);
operateur.add(tabBut[i]);
break;
case 15:
tabBut[i].addActionListener(this);
tabBut[i].setPreferredSize(dimOpr);
operateur.add(tabBut[i]);
break;
case 16:
tabBut[i].addActionListener(this);
tabBut[i].setPreferredSize(dimOpr);
operateur.add(tabBut[i]);
break;
default :
tabBut[i].addActionListener(this);
tabBut[i].setPreferredSize(dimChf);
chiffre.add(tabBut[i]);
break;
}
}
panEcran.add(ecran);
panEcran.setBorder(BorderFactory.createLineBorder(Color.black));
panOrg.add(panEcran, BorderLayout.NORTH);
panOrg.add(chiffre, BorderLayout.CENTER);
panOrg.add(operateur, BorderLayout.EAST);
this.setContentPane(panOrg);
this.setVisible(true);
}
private void operation(){
if (caractere.equals("+")){
chiffre1 = chiffre1 + Double.valueOf(ecran.getText()).doubleValue();
ecran.setText(String.valueOf(chiffre1));
}
else if (caractere.equals("-")){
chiffre1 = chiffre1 - Double.valueOf(ecran.getText()).doubleValue();
ecran.setText(String.valueOf(chiffre1));
}
else if (caractere.equals("*")){
chiffre1 = chiffre1 * Double.valueOf(ecran.getText()).doubleValue();
ecran.setText(String.valueOf(chiffre1));
}
else if (caractere.equals("/")){
try{
chiffre1 = chiffre1 / Double.valueOf(ecran.getText()).doubleValue();
ecran.setText(String.valueOf(chiffre1));
}catch(ArithmeticException e){
ecran.setText("Division impossible");
}
}
}
public void actionPerformed(ActionEvent arg0) {
if(arg0.getSource()==tabBut[12]){
/* reset */
ecran.setText("0");
}
else if(arg0.getSource()==tabBut[13]){
chiffre = Double.valueOf(ecran.getText()).doubleValue();
caractere="+";
operation();
}
else if(arg0.getSource()==tabBut[14]){
caractere="-";
}
else if(arg0.getSource()==tabBut[15]){
caractere="*";
}
else if(arg0.getSource()==tabBut[16]){
caractere="/";
}
else if(arg0.getSource()==tabBut[11]){
ecran.setText(String.valueOf(chiffre1));
}
else{
String str =((JButton)arg0.getSource()).getText();
if (ecran.getText()=="0"){
ecran.setText(null);
}
else{
str=ecran.getText()+str;
}
ecran.setText(str);
}
}
} |
