Warning, file /education/parley/src/practice/practicestatemachine.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /*
     SPDX-FileCopyrightText: 2009-2010 Frederik Gladhorn <gladhorn@kde.org>
     SPDX-FileCopyrightText: 2009 Daniel Laidig <d.laidig@gmx.de>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "practicestatemachine.h"
 
 #include "parleydocument.h"
 
 #include "comparisonbackendmode.h"
 #include "conjugationbackendmode.h"
 #include "examplesentencebackendmode.h"
 #include "flashcardbackendmode.h"
 #include "genderbackendmode.h"
 #include "multiplechoicebackendmode.h"
 #include "prefs.h"
 #include "writtenbackendmode.h"
 
 using namespace Practice;
 
 PracticeStateMachine::PracticeStateMachine(AbstractFrontend *frontend, ParleyDocument *doc, SessionManagerBase *sessionManager, QObject *parent)
     : QObject(parent)
     , m_frontend(frontend)
     , m_document(doc)
     , m_sessionManager(sessionManager)
 {
     createPracticeMode();
 
     // To allow to skip an an entry
     connect(m_frontend, &AbstractFrontend::skipAction, this, &PracticeStateMachine::nextEntry);
     connect(m_frontend, &AbstractFrontend::stopPractice, this, &PracticeStateMachine::slotPracticeFinished);
     connect(m_frontend, &AbstractFrontend::hintAction, m_mode, &AbstractBackendMode::hintAction);
 
     connect(m_frontend, &AbstractFrontend::continueAction, this, &PracticeStateMachine::continueAction);
 
     connect(m_mode, &AbstractBackendMode::answerRight, this, &PracticeStateMachine::answerRight);
     connect(m_mode, &AbstractBackendMode::answerWrongRetry, this, &PracticeStateMachine::answerWrongRetry);
     connect(m_mode, &AbstractBackendMode::answerWrongShowSolution, this, &PracticeStateMachine::answerWrongShowSolution);
     connect(m_mode, &AbstractBackendMode::showSolution, this, &PracticeStateMachine::showSolution);
 }
 
 void PracticeStateMachine::createPracticeMode()
 {
     switch (Prefs::practiceMode()) {
     case Prefs::EnumPracticeMode::FlashCardsPractice:
         qDebug() << "Create Flash Card Practice backend";
         m_frontend->setMode(AbstractFrontend::FlashCard);
         m_mode = new FlashCardBackendMode(m_frontend, this);
         break;
     case Prefs::EnumPracticeMode::MultipleChoicePractice:
         qDebug() << "Create MultipleChoice Practice backend";
         m_frontend->setMode(AbstractFrontend::MultipleChoice);
         m_mode = new MultipleChoiceBackendMode(m_frontend, this, m_sessionManager);
         break;
     case Prefs::EnumPracticeMode::MixedLettersPractice:
         qDebug() << "Create Mixed Letters Practice backend";
         m_frontend->setMode(AbstractFrontend::MixedLetters);
         m_mode = new WrittenBackendMode(m_frontend, this, m_sessionManager, m_document->document().get());
         break;
     case Prefs::EnumPracticeMode::WrittenPractice:
         qDebug() << "Create Written Practice backend";
         m_frontend->setMode(AbstractFrontend::Written);
         m_mode = new WrittenBackendMode(m_frontend, this, m_sessionManager, m_document->document().get());
         break;
     case Prefs::EnumPracticeMode::ExampleSentencesPractice:
         qDebug() << "Create Written Practice backend";
         m_frontend->setMode(AbstractFrontend::ExampleSentence);
         m_mode = new ExampleSentenceBackendMode(m_frontend, this, m_sessionManager, m_document->document().get());
         break;
     case Prefs::EnumPracticeMode::GenderPractice:
         m_frontend->setMode(AbstractFrontend::MultipleChoice);
         m_mode = new GenderBackendMode(m_frontend, this, m_sessionManager, m_document->document().get());
         break;
     case Prefs::EnumPracticeMode::ConjugationPractice:
         m_frontend->setMode(AbstractFrontend::Conjugation);
         m_mode = new ConjugationBackendMode(m_frontend, this, m_sessionManager, m_document->document().get());
         break;
     case Prefs::EnumPracticeMode::ComparisonPractice:
         m_frontend->setMode(AbstractFrontend::Comparison);
         m_mode = new ComparisonBackendMode(m_frontend, this, m_sessionManager, m_document->document().get());
         break;
 
     default:
         Q_ASSERT("Implement selected practice mode" == 0);
     }
 }
 
 void Practice::PracticeStateMachine::start()
 {
     qDebug() << "Start practice";
     m_sessionManager->practiceStarted();
     nextEntry();
 }
 
 void PracticeStateMachine::nextEntry()
 {
     m_state = NotAnswered;
     m_current = m_sessionManager->nextTrainingEntry();
 
     // qDebug() << "GETTING ENTRY - " << m_current;
 
     // after going through all words, or at the start of practice
     if (m_current == 0) {
         slotPracticeFinished();
         return;
     }
     if (!m_mode->setTestEntry(m_current)) {
         // this is just a fall back, if an invalid entry slipped through
         currentEntryFinished();
         nextEntry();
     }
     updateFrontend();
 }
 
 void PracticeStateMachine::slotPracticeFinished()
 {
     qDebug() << "Stop practice";
     m_sessionManager->practiceFinished();
     Q_EMIT practiceFinished();
 }
 
 void PracticeStateMachine::currentEntryFinished()
 {
     m_sessionManager->removeCurrentEntryFromPractice();
 }
 
 void PracticeStateMachine::continueAction()
 {
     // qDebug() << "continue" << m_state;
     switch (m_state) {
         // on continue, we check the answer, if in NotAnsweredState or AnswerWasWrongState
     case NotAnswered:
     case AnswerWasWrong:
         m_mode->checkAnswer();
         break;
 
     case SolutionShown:
         gradeEntryAndContinue();
         break;
     }
 }
 
 void PracticeStateMachine::answerRight()
 {
     // qDebug() << "ans right";
 
     m_frontend->setFeedbackState(AbstractFrontend::AnswerCorrect);
     if (m_state == NotAnswered) {
         m_frontend->setResultState(AbstractFrontend::AnswerCorrect);
     } else {
         m_frontend->setResultState(AbstractFrontend::AnswerWrong);
     }
 
     m_state = SolutionShown;
     m_frontend->showSolution();
 }
 
 void PracticeStateMachine::answerWrongRetry()
 {
     // qDebug() << "wrong retr";
     m_frontend->setFeedbackState(AbstractFrontend::AnswerWrong);
     m_state = AnswerWasWrong;
 }
 
 void PracticeStateMachine::answerWrongShowSolution()
 {
     // qDebug() << "wrong sol";
     m_frontend->setFeedbackState(AbstractFrontend::AnswerWrong);
     // User gave an empty answer or the same answer for a second time so we want to drop out.
     m_frontend->setResultState(AbstractFrontend::AnswerWrong);
     m_state = SolutionShown;
     m_frontend->showSolution();
 }
 
 void PracticeStateMachine::showSolution()
 {
     // qDebug() << "show solution";
     m_state = SolutionShown;
     m_frontend->showSolution();
 }
 
 void PracticeStateMachine::updateFrontend()
 {
     m_frontend->setFeedbackState(AbstractFrontend::QuestionState);
     m_frontend->setResultState(AbstractFrontend::QuestionState);
     m_frontend->setLessonName(m_current->entry()->lesson()->name());
     grade_t grade = m_mode->currentGradeForEntry();
     m_frontend->showGrade(m_mode->currentPreGradeForEntry(), grade);
 
     // show the word that is currently practiced in the progress bar
     m_frontend->setFinishedWordsTotalWords(m_sessionManager->allEntryCount() - m_sessionManager->activeEntryCount(), m_sessionManager->allEntryCount());
 
     // Set fonts
     m_frontend->setQuestionFont((m_current->languageFrom() == Prefs::learningLanguage()) ? m_frontend->learningLangFont() : m_frontend->knownLangFont());
     m_frontend->setSolutionFont((m_current->languageTo() == Prefs::learningLanguage()) ? m_frontend->learningLangFont() : m_frontend->knownLangFont());
 
     grade_t goodGrade = qMax(grade, grade_t(KV_LEV1_GRADE)); // if the word hasn't been practiced yet, use grade 1 as a base
 
     if (m_current->statisticBadCount() == 0) {
         goodGrade = qMax(KV_LEV2_GRADE, qMin(grade + 1, KV_MAX_GRADE));
     }
 
     m_frontend->setBoxes(grade, goodGrade, KV_LEV1_GRADE);
 
     QUrl imgFrom = m_current->entry()->translation(m_current->languageFrom())->imageUrl();
     QUrl imgTo = m_current->entry()->translation(m_current->languageTo())->imageUrl();
     if (imgFrom.isEmpty()) {
         imgFrom = imgTo;
     }
     if (imgTo.isEmpty()) {
         imgTo = imgFrom;
     }
     if (Prefs::flashcardsFrontImage()) {
         m_frontend->setQuestionImage(imgFrom);
     } else {
         m_frontend->setQuestionImage(QUrl());
     }
     if (Prefs::flashcardsBackImage()) {
         m_frontend->setSolutionImage(imgTo);
     } else {
         m_frontend->setSolutionImage(QUrl());
     }
     m_frontend->showQuestion();
 }
 
 void PracticeStateMachine::gradeEntryAndContinue()
 {
     grade_t currentPreGrade = m_mode->currentPreGradeForEntry();
     grade_t currentGrade = m_mode->currentGradeForEntry();
 
     if (m_frontend->resultState() == AbstractFrontend::AnswerCorrect) {
         m_current->updateStatisticsRightAnswer(currentPreGrade, currentGrade);
     } else {
         m_current->updateStatisticsWrongAnswer(currentPreGrade, currentGrade);
     }
 
     if (m_current->shouldChangeGrades()) {
         m_mode->updateGrades();
         if (m_frontend->resultState() == AbstractFrontend::AnswerCorrect) {
             currentEntryFinished();
         }
     }
     nextEntry();
 }