ohthatsa_old/lib/pages/practice/PracticeThingLeap.dart

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Dart

import 'package:flutter/material.dart';
import 'package:flutter/src/widgets/text.dart';
import 'package:ohthatsa/pages/practice/PracticeAnswer.dart';
import 'package:ohthatsa/pages/practice/PracticeThing.dart';
import 'package:ohthatsa/pages/practice/PracticeType.dart';
import 'package:ohthatsa/util/DayCalculator.dart';
class PracticeThingLeap extends PracticeThing {
int current;
PracticeThingLeap(){
next();
}
@override
bool answer(int answer) {
answers.add(PracticeAnswer(current, answer));
final correctAnswer = DayCalculator.isLeapYear(current);
return (answer != 0) == correctAnswer;
}
@override
void next() {
current = random.nextInt(10000);
}
List<bool> getBoolAnswers(){
return answers.map((answer) =>
(answer.answer != 0) == DayCalculator.isLeapYear(answer.question)
).toList();
}
Text getAppBarTitleText(){
return Text("Practicing Leap Years");
}
Text getCurrentQuestionText(){
return Text(
current.toString(),
style: TextStyle(
fontSize: 30
)
);
}
Text getLastAnswerText(bool showCorrect){
String text = "-";
Color color = Colors.red;
if(answers.length >= 1){
final answer = answers[answers.length - 1];
final correctAnswer = DayCalculator.isLeapYear(answer.question);
text = answer.question.toString() + (showCorrect ? ": $correctAnswer" : "");
if((answer.answer != 0) == correctAnswer){
color = Colors.green;
}
}
return Text(
text,
style: TextStyle(
fontSize: 15,
color: color
)
);
}
Text getSecondLastAnswerText(bool showCorrect){
String text = "-";
Color color = Colors.red;
if(answers.length >= 2){
final answer = answers[answers.length - 2];
final correctAnswer = DayCalculator.isLeapYear(answer.question);
text = answer.question.toString() + (showCorrect ? ": $correctAnswer" : "");
if((answer.answer != 0) == correctAnswer){
color = Colors.green;
}
}
return Text(
text,
style: TextStyle(
fontSize: 10,
color: color
)
);
}
}