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wtmultiplechoicequestiondialog.cpp
168 lines (138 loc) · 4.74 KB
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wtmultiplechoicequestiondialog.cpp
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#include "wtmultiplechoicequestiondialog.h"
#include <boost/bind.hpp>
#include <boost/lambda/bind.hpp>
#include <boost/lambda/lambda.hpp>
#include <boost/numeric/conversion/cast.hpp>
#include <boost/make_shared.hpp>
#include <Wt/WBreak>
#include <Wt/WButtonGroup>
#include <Wt/WGroupBox>
#include <Wt/WImage>
#include <Wt/WLabel>
//#include <Wt/WLineEdit>
#include <Wt/WPushButton>
#include <Wt/WRadioButton>
#include <Wt/WStackedWidget>
//#include <Wt/WGroupBox>
#include "fileio.h"
#include "multiplechoicequestiondialog.h"
#include "multiplechoicequestion.h"
ribi::WtMultipleChoiceQuestionDialog::Ui::Ui()
: m_button_submit(new Wt::WPushButton("Submit")),
m_radio_buttons{},
m_stacked_widget(new Wt::WStackedWidget)
{
}
ribi::WtMultipleChoiceQuestionDialog::WtMultipleChoiceQuestionDialog(
const std::string& s)
: m_ui{},
m_dialog(boost::make_shared<MultipleChoiceQuestionDialog>(s))
{
Show();
}
ribi::WtMultipleChoiceQuestionDialog::WtMultipleChoiceQuestionDialog(
const boost::shared_ptr<MultipleChoiceQuestionDialog>& dialog)
: m_ui{},
m_dialog(dialog)
{
Show();
}
boost::shared_ptr<const ribi::QuestionDialog> ribi::WtMultipleChoiceQuestionDialog::GetDialog() const noexcept
{
return m_dialog;
}
boost::shared_ptr<const ribi::MultipleChoiceQuestionDialog> ribi::WtMultipleChoiceQuestionDialog::GetMultipleChoiceQuestionDialog() const noexcept
{
return m_dialog;
}
std::string ribi::WtMultipleChoiceQuestionDialog::GetVersion()
{
return "1.1";
}
std::vector<std::string> ribi::WtMultipleChoiceQuestionDialog::GetVersionHistory()
{
return {
"2011-06-29: version 1.0: initial version",
"2011-09-15: version 1.1: added internal Ui struct"
};
}
void ribi::WtMultipleChoiceQuestionDialog::OnButtonSubmitClicked()
{
assert(!m_dialog->HasSubmitted());
if (std::find_if(
m_ui.m_radio_buttons.begin(), m_ui.m_radio_buttons.end(),
boost::bind(&Wt::WRadioButton::isChecked,boost::lambda::_1)
== true) == m_ui.m_radio_buttons.end()) return;
const std::string s =
(*std::find_if(
m_ui.m_radio_buttons.begin(), m_ui.m_radio_buttons.end(),
boost::bind(&Wt::WRadioButton::isChecked,boost::lambda::_1)
== true))->text().toUTF8();
this->m_dialog->Submit(s);
this->m_ui.m_stacked_widget->setCurrentIndex(m_dialog->IsAnswerCorrect()
? 1
: 2);
m_signal_submitted(m_dialog->IsAnswerCorrect());
}
void ribi::WtMultipleChoiceQuestionDialog::Show()
{
const auto question = m_dialog->GetMultipleChoiceQuestion();
//const auto question = m_dialog->GetMultipleChoiceQuestion();
//m_dialog->SetQuestion(question);
this->setContentAlignment(Wt::AlignCenter);
if (ribi::fileio::FileIo().IsRegularFile(GetDialog()->GetQuestion()->GetFilename()))
{
this->addWidget(new Wt::WImage(GetDialog()->GetQuestion()->GetFilename().c_str()));
}
const MultipleChoiceQuestion * const q
= dynamic_cast<const MultipleChoiceQuestion *>(GetDialog()->GetQuestion().get());
assert(q);
this->addWidget(m_ui.m_stacked_widget);
//Create the question page
{
Wt::WContainerWidget * const page = new Wt::WContainerWidget;
page->addWidget(new Wt::WLabel(GetDialog()->GetQuestion()->GetQuestion().c_str()));
page->addWidget(new Wt::WBreak);
//RadioButtons
{
Wt::WGroupBox * container = new Wt::WGroupBox("Answers");
container->setContentAlignment(Wt::AlignLeft);
Wt::WButtonGroup * const group = new Wt::WButtonGroup(container);
const int n = boost::numeric_cast<int>(q->GetOptions().size());
for (int i=0;i!=n;++i)
{
Wt::WRadioButton * button
= new Wt::WRadioButton(q->GetOptions()[i].c_str(),container);
group->addButton(button);
new Wt::WBreak(container);
m_ui.m_radio_buttons.push_back(button);
}
page->addWidget(container);
}
//Button
page->addWidget(m_ui.m_button_submit);
page->addWidget(new Wt::WBreak);
m_ui.m_button_submit->clicked().connect(
this,&ribi::WtMultipleChoiceQuestionDialog::OnButtonSubmitClicked);
m_ui.m_stacked_widget->addWidget(page);
}
//Create the correct page
{
Wt::WContainerWidget * const page = new Wt::WContainerWidget;
page->addWidget(new Wt::WLabel("Correct"));
page->addWidget(new Wt::WBreak);
m_ui.m_stacked_widget->addWidget(page);
}
//Create the incorrect page
{
Wt::WContainerWidget * const page = new Wt::WContainerWidget;
page->addWidget(new Wt::WLabel("Incorrect"));
page->addWidget(new Wt::WBreak);
page->addWidget(new Wt::WLabel(GetDialog()->GetQuestion()->GetQuestion().c_str()));
page->addWidget(new Wt::WBreak);
page->addWidget(new Wt::WLabel(q->GetAnswer().c_str()));
page->addWidget(new Wt::WBreak);
m_ui.m_stacked_widget->addWidget(page);
}
m_ui.m_stacked_widget->setCurrentIndex(0);
}