diff options
Diffstat (limited to 'keduca/keduca/keducaview.cpp')
| -rw-r--r-- | keduca/keduca/keducaview.cpp | 629 |
1 files changed, 629 insertions, 0 deletions
diff --git a/keduca/keduca/keducaview.cpp b/keduca/keduca/keducaview.cpp new file mode 100644 index 00000000..cd6c1782 --- /dev/null +++ b/keduca/keduca/keducaview.cpp @@ -0,0 +1,629 @@ +/*************************************************************************** + keducaview.cpp - description + ------------------- + begin : Thu May 24 2001 + copyright : (C) 2001 by Javier Campos + email : javi@asyris.org +***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#include "keducaview.h" +#include "keducaview.moc" +#include "settings.h" +#include "../libkeduca/fileread.h" +#include "kquestion.h" +#include "kgroupeduca.h" + +#include <stdlib.h> + +#include <klocale.h> +#include <kstandarddirs.h> +#include <kmessagebox.h> +#include <kfiledialog.h> +#include <kpushbutton.h> +#include <kdebug.h> +#include <kio/netaccess.h> + +#include <qtimer.h> +#include <qlayout.h> +#include <qlabel.h> +#include <qtextedit.h> + +KEducaView::KEducaView( QWidget *parent, const char *name ) + : QWidgetStack( parent, name ), _keducaFile( 0 ), _timeoutTimer( 0 ) +{ + init(); +} + +KEducaView::~KEducaView() +{ + delete _questionText; + delete _buttonGroup; + delete _split; + delete _buttonNext; + delete _buttonSave; + delete _viewResults; + delete _keducaFile; +} + +/** Init graphical interface */ +void KEducaView::init() +{ + // Intro Screen + _introWidget = new QLabel( this, "introScreen" ); + _introWidget->setBackgroundColor( Qt::white ); + _introWidget->setAlignment( AlignCenter ); + _introWidget->setPixmap( QPixmap( locate("data","keduca/pics/keduca_init.png") ) ); + addWidget( _introWidget, 0 ); + + // Info Widget + _infoWidget = new QVBox( this, "infoWidget" ); + _viewInfo = new QTextEdit( _infoWidget ); + _viewInfo->setReadOnly( true ); + _buttonStartTest = new KPushButton( i18n( "&Start Test" ), _infoWidget ); + connect( _buttonStartTest, SIGNAL( clicked() ), SLOT( slotButtonNext() ) ); + addWidget( _infoWidget, 1 ); + + // Question Widget + _questionWidget = new QVBox( this, "questionWidget" ); + _split = new QSplitter( QSplitter::Vertical, _questionWidget ); + _questionText = new KQuestion( _split, "kquestion" ); + _buttonGroup = new KGroupEduca( _split, "ButtonGroup" ); + _buttonGroup->setRadioButtonExclusive( true ); + _buttonNext = new KPushButton( i18n( "&Next >>" ), _questionWidget, "ButtonNext" ); + connect( _buttonNext, SIGNAL( clicked() ), SLOT( slotButtonNext() ) ); + addWidget( _questionWidget, 2 ); + + // Results Widget + _resultsWidget = new QVBox( this, "resultsWidget" ); + _viewResults = new QTextEdit( _resultsWidget ); + _viewResults->setReadOnly( true ); + _buttonSave = new KPushButton( i18n( "&Save Results..." ), _resultsWidget ); + connect( _buttonSave, SIGNAL( clicked() ), SLOT( slotButtonSave() ) ); + /* FIXME: This is a hack + * The results widget can be shown only in the end of the test (when you should be shown the + * option to save the results) or at the middle of the test, after each question (when there should + * be a "Next" button). + */ + _buttonResultsNext = new KPushButton( i18n( "&Next >>" ), _resultsWidget ); + connect( _buttonResultsNext, SIGNAL( clicked() ), SLOT( slotButtonNext() ) ); + _buttonResultsNext->hide(); + addWidget( _resultsWidget, 3 ); + + raiseWidget( _introWidget ); + + // Restore splitter size + _split->setSizes( Settings::splitter_size() ); +} + +void KEducaView::slotButtonStartTest() +{ + raiseWidget( _questionWidget ); + showRecord(); +} + +/** Button Next action */ +void KEducaView::slotButtonNext() +{ + // stop the timer + if (_timeoutTimer) + { + _currentTime += _questionText->getCurrentTime(); + _timeoutTimer->stop(); + _questionText->countdown(0); + } + + if( ( visibleWidget() == _questionWidget ) && !_isInitStatus ) + setResults(); + + _buttonGroup->clearAnswers(); + + if( ( Settings::resultFinish()== Settings::EnumResultFinish::afterEachQuestion ) + && _questionText->isVisible() ) + { + showResults( _currentResults + "<HR>" + currentStatusPoints() ); + } + else + { + if( questionNext() ) + showRecord(); + else + { + configWrite(); + showResults( setFinalResult() + currentStatusPoints() + "<HR><P>" + _results + "</HTML>" +); + } + } +} + +/** Button Save action */ +void KEducaView::slotButtonSave() +{ + KFileDialog *dialog=new KFileDialog(QString::null, QString::null, this, "file dialog", true); + dialog->setCaption( i18n("Save Results As") ); + dialog->setKeepLocation( true ); + dialog->setOperationMode( KFileDialog::Saving ); + QStringList mimeFilter( "text/html"); + dialog->setMimeFilter( mimeFilter ); + KURL newURL; + QString outputFormat ("text/html"); + + bool bOk; + do { + bOk=true; + if(dialog->exec()==QDialog::Accepted) { + newURL=dialog->selectedURL(); + outputFormat=dialog->currentMimeFilter(); + } + else + { + bOk = false; + break; + } + kdDebug()<<"Requested saving to file "<<newURL.prettyURL() <<endl; + + if ( QFileInfo( newURL.path() ).extension().isEmpty() ) { + // No more extensions in filters. We need to get it from the mimetype. + QString extension = ".html"; + newURL.setPath( newURL.path() + extension ); + } + + if ( KIO::NetAccess::exists( newURL, false, this ) ) { // this file exists => ask for confirmation + bOk = KMessageBox::warningContinueCancel( this, + i18n("A document with this name already exists.\n"\ + "Do you want to overwrite it?"), + i18n("Warning"), i18n("Overwrite") ) == KMessageBox::Continue; + } + } while ( !bOk ); + + delete dialog; + if( bOk ) { + if (!_keducaFile->saveResults( newURL, _viewResults->text() )) + { + kdDebug()<< "saving of file failed" <<endl; + KMessageBox::sorry( this, i18n("Save failed.") ); + } + }else { + kdDebug()<< "KControlDoc: no valid filename selected" <<endl; + } +} + +/** Show record, returns false if there is no record to show. */ +void KEducaView::showRecord() +{ + QString questionTextTemp = ""; + + raiseWidget( _questionWidget ); + + _keducaFileIndex++; + bool MultiAnswer = _keducaFile->isMultiAnswer(); + + // SHOW QUESTION ******************************************************************* + _questionText->setPixmap( _keducaFile->getPicturePixmap() ); + questionTextTemp = "<table width=100%><tr><td><b>" + + i18n("Question %1").arg(_keducaFileIndex) + "</b>"; + + if( _keducaFile->getTotalPoints() > 0 ) + questionTextTemp += "</td><td align=center bgColor=#336699><font color=#ffffff><b>" + + _keducaFile->getQuestion( FileRead::QF_POINTS ) + + " " + i18n("Points") + + "</b></font>"; + + questionTextTemp += "</tr></td></table><hr/><table><tr><td>" + + _keducaFile->getQuestion( FileRead::QF_TEXT ) + + "</td></tr></table>"; + + _questionText->setText( questionTextTemp ); + + // SHOW ANSWERS ******************************************************************** + if( MultiAnswer ) + _buttonGroup->setType( KGroupEduca::Check ); + else + _buttonGroup->setType( KGroupEduca::Radio ); + + + if( Settings::randomAnswers() ) + { + _randomAnswers.clear(); + QValueList<unsigned int> tmpRandom; + unsigned int index; + for( index = 0 ; index < _keducaFile->recordAnswerCount() ; index ++ ) + { tmpRandom.append( index ); } + for( index = 0 ; index < _keducaFile->recordAnswerCount() ; index ++ ) + { + unsigned int random = rand() % tmpRandom.count(); + QValueList<unsigned int>::iterator itTmpRandom = tmpRandom.begin(); + for( unsigned int i = 0; i < random; i++) { ++itTmpRandom; } + _keducaFile->recordAnswerAt( (*itTmpRandom) ); + _randomAnswers.append( (*itTmpRandom) ); + _buttonGroup->insertAnswer( _keducaFile->getAnswer(FileRead::AF_TEXT) ); + tmpRandom.remove( itTmpRandom ); + } + } + else + { + _keducaFile->recordAnswerFirst(); + while( !_keducaFile->recordAnswerEOF() ) + { + if( !_keducaFile->getAnswer(FileRead::AF_TEXT).isEmpty() ) + _buttonGroup->insertAnswer( _keducaFile->getAnswer(FileRead::AF_TEXT) ); + _keducaFile->recordAnswerNext(); + }; + } + + + // START THE TIMER ***************************************************************** + if( _keducaFile->getQuestionInt(FileRead::QF_TIME) > 0 ) + { + KMessageBox::information( this, + i18n( "You have %1 seconds to complete this question.\n\n" + "Press OK when you are ready." ) + .arg( _keducaFile->getQuestion(FileRead::QF_TIME) ) ); + } + + int timeout = _keducaFile->getQuestionInt(FileRead::QF_TIME); + if (timeout > 0) + { + if (!_timeoutTimer) + { + _timeoutTimer = new QTimer(this); + connect(_timeoutTimer, SIGNAL(timeout()), + this, SLOT(questionTimedOut())); + } + _timeoutTimer->start(1000*timeout); + _questionText->countdown(timeout); + _questionText->countdownVisible(true); + } + else + { + _questionText->countdownVisible(false); + } +} + +void KEducaView::questionTimedOut() +{ + _currentTime += _keducaFile->getQuestionInt(FileRead::QF_TIME); + slotButtonNext(); +} + +/** Show results */ +void KEducaView::showResults( const QString &text ) +{ + _viewResults->setText( text ); + + if ( _keducaFile->recordEOF() ) + { + _buttonSave->show(); + _buttonResultsNext->hide(); + } + else + { + _buttonSave->hide(); + _buttonResultsNext->show(); + } + + raiseWidget( _resultsWidget ); +} + +/** Set results */ +void KEducaView::setResults() +{ + bool isCorrect = true; + QString yourAnswer = ""; + QString correctAnswer = ""; + QValueList<uint>::iterator itRandom = _randomAnswers.begin(); + + Settings::randomAnswers() ? _keducaFile->recordAnswerAt(*itRandom) : _keducaFile->recordAnswerFirst(); + + for( unsigned index = 0 ; index < _keducaFile->recordAnswerCount() ; index++ ) + { + QString answertext = _keducaFile->getAnswer( FileRead::AF_TEXT ); + if( !answertext.isEmpty() ) + { + if(_buttonGroup->isChecked(index) != _keducaFile->getAnswerValue()) + { + isCorrect=false; + if(_buttonGroup->isChecked(index)) yourAnswer += "<BR><FONT COLOR=#b84747><B>" + answertext + "</B></FONT>"; + if(_keducaFile->getAnswerValue()) correctAnswer += "<BR><FONT COLOR=#006b6b><B>" + answertext + "</B></FONT>"; + } + else + { + if(_buttonGroup->isChecked(index)) yourAnswer += "<BR><B>" + answertext + "</B>"; + if(_keducaFile->getAnswerValue()) correctAnswer += "<BR><FONT COLOR=#006b6b><B>" + answertext + "</B></FONT>"; + } + } + if( Settings::randomAnswers() ) + { + ++itRandom; + _keducaFile->recordAnswerAt(*itRandom); + } + else + _keducaFile->recordAnswerNext(); + } + + if( isCorrect) + { + _correctAnswer++; + if( _keducaFile->getTotalPoints() > 0 ) + _correctPoints += _keducaFile->getQuestionInt(FileRead::QF_POINTS); + } + else + { + _incorrectAnswer++; + if( _keducaFile->getTotalPoints() > 0 ) + _incorrectPoints += _keducaFile->getQuestionInt(FileRead::QF_POINTS); + } + + _results += getTableQuestion( isCorrect, correctAnswer, yourAnswer ); +} + +/** Set results */ +QString KEducaView::setFinalResult() +{ + QString finalResult = ""; + + if( !_keducaFile->isResult() ) return ""; + + finalResult = "<TABLE WIDTH=100% BORDER=0 BGCOLOR=#EEEEDD CELLSPACING=0><TR><TD BGCOLOR=#DDDDCC COLSPAN=2 ALIGN=CENTER><FONT COLOR=#222211><B>" + + i18n("Result") + + "</B></FONT></TD></TR>"; + + _keducaFile->recordResultFirst(); + while( !_keducaFile->recordResultEOF() ) + { + if( _correctPoints >= _keducaFile->getResultInt(FileRead::RS_MIN) && + _correctPoints <= _keducaFile->getResultInt(FileRead::RS_MAX) ) + { + if( _keducaFile->getResult(FileRead::RS_PICTURE).isEmpty() ) + finalResult += "<TR><TD COLSPAN=2 ALIGN=CENTER>"; + else + finalResult += "<TR><TD><IMG SRC=" + _keducaFile->getResult(FileRead::RS_PICTURE) + " : </TD><TD>"; + + finalResult += _keducaFile->getResult(FileRead::RS_TEXT) + "</TD><TR>"; + } + _keducaFile->recordResultNext(); + } + + finalResult += "</TABLE>"; + + return finalResult; +} + +/** Open url */ +bool KEducaView::openURL( const KURL &url) +{ + _keducaFile = new FileRead(); + if ( !_keducaFile->openFile( url ) ) + return false; + + _isInitStatus = true; + _results = "<HTML>"; + _correctAnswer = 0; + _correctPoints = 0; + _currentTime = 0; + _incorrectAnswer = 0; + _incorrectPoints = 0; + _keducaFileIndex = 0; + + if( Settings::randomQuestions() ) + { + unsigned int index; + for( index = 0 ; index < _keducaFile->getTotalQuestions() ; index ++ ) + { _randomQuestions.append( index ); } + } + + _keducaFile->recordFirst(); + _keducaFile->recordAnswerFirst(); + + _viewInfo->setText( getInformation() ); + raiseWidget( _infoWidget ); + + return true; +} + +/** Write settings */ +void KEducaView::configWrite() +{ + Settings::setSplitter_size( _split->sizes() ); + Settings::writeConfig(); +} + +/** current Status Points */ +QString KEducaView::currentStatusPoints() +{ + QString tempStatus; + + tempStatus = insertTable() + + insertRow( i18n("Statistics"), true, 4) + + insertRow( i18n("Correct questions"), + QString().setNum( _correctAnswer ), + i18n("Incorrect questions"), + QString().setNum( _incorrectAnswer ), true); + + if( _keducaFile->getTotalPoints() > 0 ) + tempStatus += insertRow( i18n("Total points"), true, 4 ) + + insertRow( i18n("Correct points"), + QString().setNum( _correctPoints ), + i18n("Incorrect points"), + QString().setNum( _incorrectPoints ), true ); + + if( _keducaFile->getTotalTime() > 0 ) + tempStatus += insertRow( i18n("Time"), true, 4 ) + + insertRow( i18n("Total time"), + QString().setNum( _keducaFile->getTotalTime() ), + i18n("Time in tests"), + QString().setNum( _currentTime ), true ); + tempStatus += insertTableClose(); + return tempStatus; +} + +/** Set HTML table view with correct and incorrect answers */ +QString KEducaView::getTableQuestion( bool isCorrect, const QString &correct, const QString &incorrect) +{ + _currentResults = "<TABLE WIDTH=100% BORDER=0><TR><TD VALIGN=TOP WIDTH=70><IMG WIDTH=64 HEIGHT=64 SRC="; + if( isCorrect ) + _currentResults += locate("data","keduca/pics/keduca_correct_64.png"); + else + _currentResults += locate("data","keduca/pics/keduca_incorrect_64.png"); + + _currentResults += "></TD><TD VALIGN=TOP>"; + + _currentResults += "<B><FONT COLOR=#336699>" + _keducaFile->getQuestion( FileRead::QF_TEXT ) + "</FONT></B>"; + + if( _keducaFile->getQuestionInt(FileRead::QF_POINTS) > 0 ) + _currentResults += "<SMALL> ( " + _keducaFile->getQuestion(FileRead::QF_POINTS) + " " + i18n("Points") + " )</SMALL>"; + + _currentResults += "<HR><SMALL>"; + + if( isCorrect ) + _currentResults += i18n( "The answer is: "); + else + _currentResults += i18n( "The correct answer is: "); + + _currentResults += correct + "<BR>"; + + if( !isCorrect ) + { + _currentResults += i18n( "Your answer was: "); + _currentResults += incorrect; + } + + _currentResults += "</SMALL></TD></TR></TABLE><P>"; + return _currentResults; +} + +/** Define the next questions (random, secuencial) */ +bool KEducaView::questionNext() +{ + if( !Settings::randomQuestions() && !_isInitStatus ) + { + _keducaFile->recordNext(); + return _keducaFile->recordEOF() ? false : true; + } + + if( _isInitStatus ) + { + _isInitStatus = false; + if( !Settings::randomQuestions() ) return true; + } + + if( _randomQuestions.count() > 0 ) + { + unsigned int randomQuestion = rand() % _randomQuestions.count(); + QValueList<uint>::iterator itRandom = _randomQuestions.begin(); + for( unsigned int i = 0; i < randomQuestion; ++i) + { ++itRandom; } + _keducaFile->recordAt( (*itRandom) ); + _randomQuestions.remove( itRandom ); + return true; + } + else + return false; +} + +/** Get document information */ +QString KEducaView::getInformation() +{ + + QString tmp = ""; + + if ( _keducaFile ) + { + if( !(_keducaFile->getHeader("startupinfo")).isEmpty() ) + { + tmp += insertTable( "<img src=" + locate("data","keduca/pics/alert.png") + ">", 2 ) +// + insertRow( i18n("Additional Information")+"<br>", true, 2 ) + + insertRow( _keducaFile->getHeader("startupinfo") + "<br>", false ) + + insertTableClose(); + } + + tmp += insertTable( "<img src=" + locate("data","keduca/pics/info.png") + ">", 2 ); + tmp += insertRow( i18n("Information")+"<br>", true, 2); + tmp += insertRow( i18n("Title"), _keducaFile->getHeader("title"), true ); + tmp += insertRow( i18n("Category"), _keducaFile->getHeader("category"), true ); + tmp += insertRow( i18n("Type"), _keducaFile->getHeader("type"), true ); + tmp += insertRow( i18n("Language"), _keducaFile->getHeader("language"), true ); + tmp += insertTableClose(); + } + else + { + tmp += "<html><body>"; + tmp += "<img src=" + locate("data","keduca/pics/keduca_init.png") + "/>"; + tmp += "</body></html>"; + } + + return tmp; +} + +/** Init table with title and colspan */ +QString KEducaView::insertTable( const QString &title, unsigned int col){ + QString tmp; + + tmp = "<TABLE WIDTH=100% BORDER=0 CELLSPACING=0 BGCOLOR=#EEEEDD>"; + + if( !title.isEmpty() ) { + tmp += "<TR><TD "; + + if( col > 0 ) tmp += "COLSPAN=" + QString().setNum( col ) + " "; + + tmp += "ALIGN=CENTER><FONT COLOR=#222211><B>" + + title + + "</B></FONT></TD></TR>"; + } + return tmp; +} + +/** Insert row */ +QString KEducaView::insertRow( const QString &text, bool title, unsigned colSpan ){ + QString tmp; + tmp = "<TR><TD"; + if( colSpan>0 ) tmp+= " COLSPAN=" + QString().setNum(colSpan); + if( title ) tmp += " ALIGN=CENTER"; + tmp += ">"; + if( title ) tmp += "<B>"; + tmp += text; + if( title ) tmp += "</B>"; + tmp += "</TD></TR>"; + return tmp; +} + +/** Insert row */ +QString KEducaView::insertRow( const QString &label, const QString &field, bool formBased ){ + QString tmp; + tmp = "<TR><TD"; + if( formBased ) tmp += " ALIGN=RIGHT"; + tmp += ">" + label; + if( formBased ) tmp += ": "; + tmp += "</TD><TD>" + field + "</TD></TR>"; + return tmp; +} + +QString KEducaView::insertRow( const QString &label1, const QString &field1, const QString &label2, const QString &field2, bool formBased ){ + QString tmp; + tmp = "<TR><TD"; + if( formBased ) tmp += " ALIGN=RIGHT"; + tmp += ">" + label1; + if( formBased ) tmp += ": "; + tmp += "</TD><TD>" + field1 + "</TD>"; + tmp += "<TD"; + if( formBased ) tmp += " ALIGN=RIGHT"; + tmp += ">" + label2; + if( formBased ) tmp += ": "; + tmp += "</TD><TD>" + field2 + "</TD></TR>"; + return tmp; +} + + +/** Close current table */ +QString KEducaView::insertTableClose(){ + return "</TABLE>"; +} + |