logic: Fixed code view single not cleared properly in some cases

src/lib/Application.cpp

@@ -148,6 +148,7 @@ void Application::createAndLoadProject(const FilePath& projectSettingsFilePath)
 		updateRecentProjects(projectSettingsFilePath);
 
 		m_storageCache->clear();
+		m_storageCache->setSubject(nullptr);
 
 		m_project = m_projectFactory.createProject(projectSettingsFilePath, m_storageCache.get(), getDialogView());
 
@@ -157,8 +158,6 @@ void Application::createAndLoadProject(const FilePath& projectSettingsFilePath)
 			{
 				setTitle("Coati - " + projectSettingsFilePath.fileName());
 				m_mainView->hideStartScreen();
-
-				m_componentManager->clearComponents();
 			}
 		}
 		else
@@ -169,9 +168,11 @@ void Application::createAndLoadProject(const FilePath& projectSettingsFilePath)
 	}
 	catch (...)
 	{
-		LOG_ERROR_STREAM(<< "Failed to load project.");
-		MessageStatus("Failed to load project: " + projectSettingsFilePath.str(), true).dispatch();
+		LOG_ERROR_STREAM(<< "Failed to load project, exception thrown.");
+		MessageStatus("Failed to load project, exception was thrown: " + projectSettingsFilePath.str(), true).dispatch();
 	}
+
+	m_componentManager->clearComponents();
 }
 
 void Application::refreshProject(bool force)

src/lib/component/controller/CodeController.cpp

@@ -107,7 +107,7 @@ void CodeController::handleMessage(MessageActivateTokens* message)
 
 	if (!message->keepContent())
 	{
-		view->clear();
+		view->clearCodeSnippets();
 	}
 
 	std::vector<Id> activeTokenIds = message->tokenIds;

src/lib/component/view/CodeView.h

@@ -29,6 +29,7 @@ public:
 	virtual std::string getName() const;
 
 	virtual void clear() = 0;
+	virtual void clearCodeSnippets() = 0;
 
 	virtual void setErrorInfos(const std::vector<ErrorInfo>& errorInfos) = 0;
 	virtual bool showsErrors() const = 0;

src/lib_gui/qt/element/QtCodeNavigator.cpp

@@ -192,6 +192,12 @@ void QtCodeNavigator::addedFiles()
 	}
 }
 
+void QtCodeNavigator::clear()
+{
+	clearCodeSnippets();
+	clearCaches();
+}
+
 void QtCodeNavigator::clearCodeSnippets()
 {
 	m_list->clear();

src/lib_gui/qt/element/QtCodeNavigator.h

@@ -37,6 +37,7 @@ public:
 
 	void addedFiles();
 
+	void clear();
 	void clearCodeSnippets();
 	void clearCaches();
 

src/lib_gui/qt/view/QtCodeView.cpp

@@ -55,6 +55,18 @@ void QtCodeView::refreshView()
 }
 
 void QtCodeView::clear()
+{
+	m_onQtThread(
+		[=]()
+		{
+			m_widget->clear();
+		}
+	);
+
+	m_errorInfos.clear();
+}
+
+void QtCodeView::clearCodeSnippets()
 {
 	m_onQtThread(
 		[=]()

src/lib_gui/qt/view/QtCodeView.h

@@ -27,6 +27,7 @@ public:
 
 	// CodeView implementation
 	virtual void clear();
+	virtual void clearCodeSnippets();
 
 	virtual void setErrorInfos(const std::vector<ErrorInfo>& errorInfos);
 	virtual bool showsErrors() const;