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calc update

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Yasien Mac Mini
2025-04-15 09:27:35 +02:00
parent 0bf57b22d3
commit ed46f28560
1 changed files with 103 additions and 70 deletions
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173
Frontend/lib/mih_packages/calculator/package_tools/simple_calc.dart
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@@ -18,38 +18,55 @@ class _SimpleCalcState extends State<SimpleCalc> {
// Array of button
final List<String> buttons = [
'C',
'AC',
'(',
')',
'D',
'÷',
'7',
'8',
'9',
'/',
'x',
'4',
'5',
'6',
'x',
'-',
'1',
'2',
'3',
'-',
'+',
'0',
'.',
'D',
'=',
'+',
];
// function to calculate the input operation
void equalPressed() {
String finaluserinput = userInput;
finaluserinput = userInput.replaceAll('x', '*');
finaluserinput = finaluserinput.replaceAll('x', '*');
finaluserinput = finaluserinput.replaceAll('÷', '/');
print(finaluserinput);
Parser p = Parser();
Expression exp = p.parse(finaluserinput);
ContextModel cm = ContextModel();
double eval = exp.evaluate(EvaluationType.REAL, cm);
answer = eval.toString();
if (eval.toString().length <= 1) {
} else if (eval
.toString()
.substring(eval.toString().length - 2, eval.toString().length) ==
".0") {
answer = eval.toString().substring(0, eval.toString().length - 2);
} else {
answer = eval.toString();
}
}
bool isNumeric(String? s) {
if (s == null) {
return false;
}
return double.tryParse(s) != null;
}
@override
@@ -61,13 +78,13 @@ class _SimpleCalcState extends State<SimpleCalc> {
}
Widget getBody() {
double width = MediaQuery.sizeOf(context).width;
// double width = MediaQuery.sizeOf(context).width;
double height = MediaQuery.sizeOf(context).height;
var padding = MediaQuery.paddingOf(context);
double newheight = height - padding.top - padding.bottom;
print("width: $width");
print("height: $height");
print("newheight: $newheight");
// var padding = MediaQuery.paddingOf(context);
// double newheight = height - padding.top - padding.bottom;
// print("width: $width");
// print("height: $height");
// print("newheight: $newheight");
double calcWidth = 500;
if (MzanziInnovationHub.of(context)!.theme.screenType == "desktop") {
if (height < 700) {
@@ -92,14 +109,18 @@ class _SimpleCalcState extends State<SimpleCalc> {
color: MzanziInnovationHub.of(context)!.theme.secondaryColor()),
const SizedBox(height: 10),
Container(
//color: Colors.white,
padding: const EdgeInsets.all(20),
alignment: Alignment.centerRight,
child: Text(
userInput,
style: TextStyle(
fontSize: 18,
color: MzanziInnovationHub.of(context)!.theme.secondaryColor(),
child: SingleChildScrollView(
scrollDirection: Axis.horizontal,
reverse: true,
child: Text(
userInput,
style: TextStyle(
fontSize: 40,
color:
MzanziInnovationHub.of(context)!.theme.secondaryColor(),
),
),
),
),
@@ -149,9 +170,7 @@ class _SimpleCalcState extends State<SimpleCalc> {
});
},
buttonText: buttons[index],
buttonColor: MzanziInnovationHub.of(context)!
.theme
.messageTextColor(),
buttonColor: Color.fromRGBO(214, 171, 255, 1),
textColor: MzanziInnovationHub.of(context)!
.theme
.primaryColor(),
@@ -159,7 +178,7 @@ class _SimpleCalcState extends State<SimpleCalc> {
);
}
// +/- button
// ( button
else if (index == 1) {
return Padding(
padding: const EdgeInsets.all(4.0),
@@ -179,7 +198,7 @@ class _SimpleCalcState extends State<SimpleCalc> {
),
);
}
// % Button
// ) Button
else if (index == 2) {
return Padding(
padding: const EdgeInsets.all(4.0),
@@ -199,51 +218,11 @@ class _SimpleCalcState extends State<SimpleCalc> {
),
);
}
// Delete Button
else if (index == 3) {
return Padding(
padding: const EdgeInsets.all(4.0),
child: MIHButton(
onTap: () {
setState(() {
userInput =
userInput.substring(0, userInput.length - 1);
});
},
buttonText: buttons[index],
buttonColor:
MzanziInnovationHub.of(context)!.theme.errorColor(),
textColor: MzanziInnovationHub.of(context)!
.theme
.primaryColor(),
),
);
}
// Equal_to Button
else if (index == 18) {
return Padding(
padding: const EdgeInsets.all(4.0),
child: MIHButton(
onTap: () {
setState(() {
equalPressed();
});
},
buttonText: buttons[index],
buttonColor: MzanziInnovationHub.of(context)!
.theme
.successColor(),
textColor: MzanziInnovationHub.of(context)!
.theme
.primaryColor(),
),
);
}
// +, -, / x buttons
else if (index == 7 ||
else if (index == 3 ||
index == 7 ||
index == 11 ||
index == 15 ||
index == 19) {
index == 15) {
return Padding(
padding: const EdgeInsets.all(4.0),
child: MIHButton(
@@ -254,8 +233,8 @@ class _SimpleCalcState extends State<SimpleCalc> {
});
} else {
setState(() {
userInput = answer;
answer = "0";
// userInput = answer;
// answer = "0";
userInput += buttons[index];
});
}
@@ -273,6 +252,59 @@ class _SimpleCalcState extends State<SimpleCalc> {
),
);
}
// delete Button
else if (index == 18) {
return Padding(
padding: const EdgeInsets.all(4.0),
child: MIHButton(
onTap: () {
setState(() {
if (userInput.length == 1) {
userInput = '0';
} else if (userInput.length > 1) {
userInput =
userInput.substring(0, userInput.length - 1);
}
if (!isNumeric(userInput[userInput.length - 1])) {
userInput =
userInput.substring(0, userInput.length - 1);
}
// userInput =
// userInput.substring(0, userInput.length - 1);
equalPressed();
});
},
buttonText: buttons[index],
buttonColor:
MzanziInnovationHub.of(context)!.theme.errorColor(),
textColor: MzanziInnovationHub.of(context)!
.theme
.primaryColor(),
),
);
}
// Equal_to Button
else if (index == 19) {
return Padding(
padding: const EdgeInsets.all(4.0),
child: MIHButton(
onTap: () {
setState(() {
equalPressed();
userInput = answer;
});
},
buttonText: buttons[index],
buttonColor: MzanziInnovationHub.of(context)!
.theme
.successColor(),
textColor: MzanziInnovationHub.of(context)!
.theme
.primaryColor(),
),
);
}
// other buttons
else {
return Padding(
@@ -281,6 +313,7 @@ class _SimpleCalcState extends State<SimpleCalc> {
onTap: () {
setState(() {
userInput += buttons[index];
equalPressed();
});
},
buttonText: buttons[index],