ui: load project via MenuBar

This change adds a MenuBar to QtMainWindow and adds an action for opening a different project settings XML file. The
message MessageLoadProject is thereon used to load a new project in the Application and clearing the Storage.

src/lib/data/Storage.cpp

@@ -18,6 +18,27 @@ Storage::~Storage()
 {
 }
 
+void Storage::clear()
+{
+	m_graph.clear();
+	m_locationCollection.clear();
+}
+
+void Storage::logGraph() const
+{
+	std::stringstream str;
+	str << "\n" << m_graph;
+	LOG_INFO(str.str());
+}
+
+void Storage::logLocations() const
+{
+	std::stringstream str;
+	str << "\n" << m_locationCollection;
+	LOG_INFO(str.str());
+}
+
+
 void Storage::onTypedefParsed(
 	const ParseLocation& location, const std::string& fullName, const std::string& underlyingFullName,
 	AccessType access
@@ -188,20 +209,6 @@ void Storage::onCallParsed(const ParseLocation& location, const std::string& cal
 	addTokenLocation(edge, location);
 }
 
-void Storage::logGraph() const
-{
-	std::stringstream str;
-	str << "\n" << m_graph;
-	LOG_INFO(str.str());
-}
-
-void Storage::logLocations() const
-{
-	std::stringstream str;
-	str << "\n" << m_locationCollection;
-	LOG_INFO(str.str());
-}
-
 
 Id Storage::getIdForNodeWithName(const std::string& name) const
 {

src/lib/data/Storage.h

@@ -19,6 +19,12 @@ public:
 	Storage();
 	virtual ~Storage();
 
+	void clear();
+
+	void logGraph() const;
+	void logLocations() const;
+
+	// ParserClient implementation
 	virtual void onTypedefParsed(
 		const ParseLocation& location, const std::string& fullName, const std::string& underlyingFullName,
 		AccessType access
@@ -47,9 +53,6 @@ public:
 	virtual void onCallParsed(
 		const ParseLocation& location, const std::string& callerName, const std::string& calleeName);
 
-	void logGraph() const;
-	void logLocations() const;
-
 	// GraphAccess implementation
 	virtual Id getIdForNodeWithName(const std::string& name) const;
 	virtual std::string getNameForNodeWithId(Id id) const;

src/lib/data/graph/Graph.cpp

@@ -223,6 +223,12 @@ void Graph::forEachToken(std::function<void(Token*)> func) const
 	forEachEdge(func);
 }
 
+void Graph::clear()
+{
+	m_edges.clear();
+	m_nodes.clear();
+}
+
 const std::vector<std::shared_ptr<Node> >& Graph::getNodes() const
 {
 	return m_nodes;

src/lib/data/graph/Graph.h

@@ -38,6 +38,8 @@ public:
 	Node* addNodeAsPlainCopy(Node* node);
 	Edge* addEdgeAsPlainCopy(Edge* edge);
 
+	void clear();
+
 protected:
 	const std::vector<std::shared_ptr<Node> >& getNodes() const;
 	const std::vector<std::shared_ptr<Edge> >& getEdges() const;

src/lib/data/location/TokenLocationCollection.cpp

@@ -129,6 +129,12 @@ TokenLocation* TokenLocationCollection::addTokenLocationAsPlainCopy(const TokenL
 	return copy;
 }
 
+void TokenLocationCollection::clear()
+{
+	m_locations.clear();
+	m_files.clear();
+}
+
 TokenLocationFile* TokenLocationCollection::createTokenLocationFile(const std::string& filePath)
 {
 	TokenLocationFile* file = findTokenLocationFileByPath(filePath);

src/lib/data/location/TokenLocationCollection.h

@@ -43,6 +43,8 @@ public:
 
 	TokenLocation* addTokenLocationAsPlainCopy(const TokenLocation* location);
 
+	void clear();
+
 private:
 	TokenLocationFile* createTokenLocationFile(const std::string& filePath);