blob: d39a1b84c4c91bf002902d721f7902b4fa7445f6 (
plain)
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
|
#ifndef SPACEDREPETITIONMODEL_H
#define SPACEDREPETITIONMODEL_H
#include "IStudyModel.h"
#include "StudyRecord.h"
#include "StudySettings.h"
#include <QMultiMap>
#include <QTime>
class CardPack;
class IRandomGenerator;
class SpacedRepetitionModel: public IStudyModel
{
Q_OBJECT
public:
static const int NewCardsDayLimit = 10;
public:
SpacedRepetitionModel(CardPack* aCardPack, IRandomGenerator* random);
~SpacedRepetitionModel();
public:
Card* getCurCard() const { return curCard; }
QList<int> getAvailableGrades() const;
bool isNew() const;
void setRecallTime( int aTime ) { curRecallTime = aTime; }
int estimatedNewReviewedCardsToday() const;
int countTodayRemainingCards() const;
public slots:
void scheduleCard(int newGrade);
protected:
void pickNextCardAndNotify();
private:
StudyRecord createNewStudyRecord(int newGrade);
int getNewLevel(const StudyRecord& prevStudy, int newGrade);
double getNewEasiness(const StudyRecord& prevStudy, int newGrade);
double getChangeableEasiness(const StudyRecord& prevStudy, int newGrade) const;
double limitEasiness(double eas) const;
double getNextInterval(const StudyRecord& prevStudy,
const StudyRecord& newStudy);
double getNextRepeatingInterval(const StudyRecord& prevStudy,
const StudyRecord& newStudy);
double getIncreasedInterval(double prevInterval, double newEasiness);
double getNextRepeatingIntervalForShortLearning(
const StudyRecord& prevStudy, const StudyRecord& newStudy);
double getNextRepeatingIntervalForLongLearning(
const StudyRecord& prevStudy, const StudyRecord& newStudy);
void saveStudyRecord(const StudyRecord& newStudy);
void pickNextCard();
bool pickNewCard();
QString getRandomStr(const QStringList& list) const;
bool reachedNewCardsDayLimit() const;
bool mustPickScheduledCard();
bool tooManyScheduledCards() const;
bool mustRandomPickScheduledCard() const;
bool pickActiveCard();
bool pickPriorityActiveCard();
bool pickLearningCard();
void saveStudy();
private slots:
void updateStudyState();
private:
Card* curCard; ///< The card selected for repetition
Card* prevCard; ///< Previous reviewed card. Found in the study history.
int curRecallTime; ///< Recall time of the current card, ms
QTime answerTime; ///< Full answer time of the current card: recall + evaluation, ms
StudySettings* settings;
IRandomGenerator* random;
};
#endif
|
