editing a question

src/qtapp/main.cpp

@@ -4,6 +4,7 @@
 #include <iostream>
 #include <qabstractbutton.h>
 #include <qboxlayout.h>
+#include <qdialog.h>
 #include <qlabel.h>
 #include <qlayoutitem.h>
 #include <qmainwindow.h>
@@ -100,6 +101,9 @@ QSpacerItem             *mdemSpacer;
 std::vector<ErrorView*>  errorPool;
 std::vector<ErrorView*>  errorViews;
 
+// Editor
+Mdem* editMdem;
+
 // Pagination 
 int                      currentPage   = -1;
 std::vector<Page>        pages;
@@ -111,6 +115,7 @@ QToolButton*             nextButton;
 QLabel*                  paginationLabel;
 
 // Mdem actions
+QToolButton             *add;
 QToolButton             *save;
 QToolButton             *load;
 QToolButton             *practice;
@@ -220,6 +225,13 @@ Mdem* makeMdem() {
 	mdem->hFront.addStretch(1);
 
 	mdem->editButton.setText("Edit");
+	QObject::connect(
+		&mdem->editButton,
+		&QToolButton::clicked,
+		[mdem](bool checked) {
+			editMdem = mdem;
+		}
+	);
 	mdem->hFront.addWidget(&mdem->editButton);
 
 	QObject::connect(&mdem->editButton, &QToolButton::clicked, [mdem]() {
@@ -271,6 +283,66 @@ Mdem* makeMdem() {
 	return mdem;
 }
 
+void setupMdem(Mdem *mdem, Question *question) {
+	if (MultiElementQuestion* mw = dynamic_cast<MultiElementQuestion*>(question)) {
+		mdem->wFrontText.setText(
+			QString::fromStdString(mw->QuestionText)	
+		);
+		auto choices = mw->Choices;
+		for (size_t k = 0; k < choices.size(); ++k) {
+			auto answer = choices[k].Answer;
+			switch (mw->type) {
+				case MultiElementType::Order:
+					answer = std::format("{}. {}", k + 1, answer); 
+					break;
+				case MultiElementType::MultiChoice:
+					if (choices[k].IsCorrect) {
+						answer = std::format("+ {}", answer); 
+					} else {
+						answer = std::format("- {}", answer); 
+					}
+					break;
+				case MultiElementType::Regular:
+					answer = std::format("- {}", answer); 
+					break;
+			} 
+			if (k < mdem->backLabels.size()) {
+				mdem->backLabels[k]->setText(QString::fromStdString(answer));
+			} else {
+				auto label = new QLabel();
+				label->setText(QString::fromStdString(answer));
+				mdem->backLabels.push_back(label);
+				mdem->wBack.layout()->addWidget(label);
+			}
+		}
+		mdem->labelCount = choices.size();
+	} else if (GroupQuestion* mw = dynamic_cast<GroupQuestion*>(question)) {
+		mdem->wFrontText.setText(
+			QString::fromStdString(mw->QuestionText)	
+		);
+		auto groups = mw->Groups;
+		std::vector<std::string> elements;
+		for (size_t k = 0; k < groups.size(); ++k) {
+			auto answer = groups[k].name;
+			elements.push_back(std::format("- {}:", answer)); 
+			for (size_t l = 0; l < groups[k].elements.size(); ++l) {
+				elements.push_back(std::format("    - {}", groups[k].elements[l])); 
+			}
+		}
+		for (size_t k = 0; k < elements.size(); ++k) {
+			if (k < mdem->backLabels.size()) {
+				mdem->backLabels[k]->setText(QString::fromStdString(elements[k]));
+			} else {
+				auto label = new QLabel();
+				label->setText(QString::fromStdString(elements[k]));
+				mdem->backLabels.push_back(label);
+				mdem->wBack.layout()->addWidget(label);
+			}
+		}
+		mdem->labelCount = elements.size();
+	}
+}
+
 void CreateMdems(std::vector<Question*>& questions) {
 	hMdemScroll->removeItem(mdemSpacer);
 
@@ -289,66 +361,9 @@ void CreateMdems(std::vector<Question*>& questions) {
 		}
 	}
 
-
 	for (size_t i = 0; i < questions.size(); ++i) {
 		mdems[i]->question = questions[i];
-		if (MultiElementQuestion* mw = dynamic_cast<MultiElementQuestion*>(questions[i])) {
+		setupMdem(mdems[i], questions[i]);
-			mdems[i]->wFrontText.setText(
-				QString::fromStdString(mw->QuestionText)	
-			);
-			auto choices = mw->Choices;
-			for (size_t k = 0; k < choices.size(); ++k) {
-				auto answer = choices[k].Answer;
-				switch (mw->type) {
-					case MultiElementType::Order:
-						answer = std::format("{}. {}", k + 1, answer); 
-						break;
-					case MultiElementType::MultiChoice:
-						if (choices[k].IsCorrect) {
-							answer = std::format("+ {}", answer); 
-						} else {
-							answer = std::format("- {}", answer); 
-						}
-						break;
-					case MultiElementType::Regular:
-						answer = std::format("- {}", answer); 
-						break;
-				} 
-				if (k < mdems[i]->backLabels.size()) {
-					mdems[i]->backLabels[k]->setText(QString::fromStdString(answer));
-				} else {
-					auto label = new QLabel();
-					label->setText(QString::fromStdString(answer));
-					mdems[i]->backLabels.push_back(label);
-					mdems[i]->wBack.layout()->addWidget(label);
-				}
-			}
-			mdems[i]->labelCount = choices.size();
-		} else if (GroupQuestion* mw = dynamic_cast<GroupQuestion*>(questions[i])) {
-			mdems[i]->wFrontText.setText(
-				QString::fromStdString(mw->QuestionText)	
-			);
-			auto groups = mw->Groups;
-			std::vector<std::string> elements;
-			for (size_t k = 0; k < groups.size(); ++k) {
-				auto answer = groups[k].name;
-				elements.push_back(std::format("- {}:", answer)); 
-				for (size_t l = 0; l < groups[k].elements.size(); ++l) {
-					elements.push_back(std::format("    - {}", groups[k].elements[l])); 
-				}
-			}
-			for (size_t k = 0; k < elements.size(); ++k) {
-				if (k < mdems[i]->backLabels.size()) {
-					mdems[i]->backLabels[k]->setText(QString::fromStdString(elements[k]));
-				} else {
-					auto label = new QLabel();
-					label->setText(QString::fromStdString(elements[k]));
-					mdems[i]->backLabels.push_back(label);
-					mdems[i]->wBack.layout()->addWidget(label);
-				}
-			}
-			mdems[i]->labelCount = elements.size();
-		}
 		if (!mdems[i]->wMdem.isVisible()) {
 		   mdems[i]->wMdem.show();
     	}
@@ -582,6 +597,33 @@ void pickDirectory(QString directory) {
 	reloadMdem();
 }
 
+void setupEditorSave(bool checked) {
+	auto res = transpile(editor->text().toStdString(), true);
+	if (res.error.length() > 0) {
+		QMessageBox::information(
+			nullptr,
+			"Editing error",
+			QString::fromStdString(res.error)
+		);
+	} else {
+		if (res.value.questions.size() <= 0) {
+			QMessageBox::information(
+				nullptr,
+				"Editing error",
+				"There are no questions in your input."
+			);
+		} else if (res.value.questions.size() == 1) {
+			setupMdem(editMdem, res.value.questions[0]);
+			showBacklabels(editMdem);
+		} else {
+			QMessageBox::information(
+				nullptr,
+				"Editing error",
+				"There are more than question in your input. Please enter one."
+			);
+		}
+	}
+};
 
 int main(int argc, char *argv[]) {
     QApplication app(argc, argv);
@@ -627,6 +669,11 @@ int main(int argc, char *argv[]) {
 		auto save = new QToolButton;
 		editorButtons->setLayout(buttonLayout);
 		save->setText(QString::fromStdString("Save"));
+		QObject::connect(
+			save,
+			&QToolButton::clicked,
+			setupEditorSave
+		);
 		buttonLayout->addWidget(save);
 
 		vlEditor->addWidget(editor);
@@ -694,13 +741,18 @@ int main(int argc, char *argv[]) {
     hTop->addWidget(deckListLabel);
     hTop->addStretch(1);
 
+	add = new QToolButton;
 	save = new QToolButton;
     load  = new QToolButton;
     practice = new QToolButton;
 
+    hTop->addWidget(add);
     hTop->addWidget(save);
     hTop->addWidget(load);
     hTop->addWidget(practice);
+	QObject::connect(add, &QToolButton::clicked, []() {
+			// MARK1
+	});
 
     // Buttons
     save->setText("Save");