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/app/main.cpp

@@ -12,7 +12,7 @@ int main(int argc, char *argv[])
 	QtGuiFactory guiFactory;
 
 	std::shared_ptr<Application> app = Application::create(&guiFactory);
-	app->loadProject();
+	app->loadProject("data/ProjectSettings.xml");
 
 	return qtApp.exec();
 }

src/app/qt/element/QtMainWindow.cpp

@@ -1,26 +1,69 @@
 #include "qt/element/QtMainWindow.h"
 
+#include <iostream>
+
+#include <QCoreApplication>
+#include <QFileDialog>
 #include <QDockWidget>
+#include <QMenuBar>
+#include <QMessageBox>
 
 #include "component/view/View.h"
 #include "qt/QtWidgetWrapper.h"
+#include "utility/messaging/type/MessageLoadProject.h"
 
 QtMainWindow::QtMainWindow()
 {
 	setObjectName("QtMainWindow");
 	setCentralWidget(nullptr);
+
+	setupProjectMenu();
+	setupHelpMenu();
 }
 
 QtMainWindow::~QtMainWindow()
 {
 }
 
+void QtMainWindow::about()
+{
+	QMessageBox::about(
+		this,
+		tr("About"),
+		tr(
+			"Developed by:\n\n"
+			"Manuel Dobusch\n"
+			"Eberhard Gräther\n"
+			"Malte Langkabel\n"
+			"Victoria Pfausler\n"
+			"Andreas Stallinger\n"
+		)
+	);
+}
+
+void QtMainWindow::openProject(const QString &path)
+{
+	QString fileName = path;
+
+	if (fileName.isNull())
+	{
+		fileName = QFileDialog::getOpenFileName(this, tr("Open File"), "", "XML Files (*.xml)");
+	}
+
+	if (!fileName.isEmpty())
+	{
+		std::cout << fileName.toStdString() << std::endl;
+		MessageLoadProject message(fileName.toStdString());
+		message.dispatch();
+	}
+}
+
 void QtMainWindow::addView(View* view)
 {
-    QDockWidget* dock = new QDockWidget(tr(view->getName().c_str()), this);
-    dock->setWidget(QtWidgetWrapper::getWidgetOfView(view));
-    addDockWidget(Qt::TopDockWidgetArea, dock);
-    m_dockWidgets.push_back(std::make_pair(view, dock));
+	QDockWidget* dock = new QDockWidget(tr(view->getName().c_str()), this);
+	dock->setWidget(QtWidgetWrapper::getWidgetOfView(view));
+	addDockWidget(Qt::TopDockWidgetArea, dock);
+	m_dockWidgets.push_back(std::make_pair(view, dock));
 }
 
 void QtMainWindow::removeView(View* view)
@@ -35,3 +78,21 @@ void QtMainWindow::removeView(View* view)
 		}
 	}
 }
+
+void QtMainWindow::setupProjectMenu()
+{
+	QMenu *fileMenu = new QMenu(tr("&Project"), this);
+	menuBar()->addMenu(fileMenu);
+
+	fileMenu->addAction(tr("&Open..."), this, SLOT(openProject()), QKeySequence::Open);
+	fileMenu->addAction(tr("E&xit"), QCoreApplication::instance(), SLOT(quit()), QKeySequence::Quit);
+}
+
+void QtMainWindow::setupHelpMenu()
+{
+	QMenu *helpMenu = new QMenu(tr("&Help"), this);
+	menuBar()->addMenu(helpMenu);
+
+	helpMenu->addAction(tr("&About"), this, SLOT(about()));
+	helpMenu->addAction(tr("About &Qt"), QCoreApplication::instance(), SLOT(aboutQt()));
+}

src/app/qt/element/QtMainWindow.h

@@ -20,7 +20,14 @@ public:
 	void addView(View* view);
 	void removeView(View* view);
 
+public slots:
+    void about();
+    void openProject(const QString &path = QString());
+
 private:
+    void setupProjectMenu();
+    void setupHelpMenu();
+
 	std::vector<std::pair<View*, QDockWidget*> > m_dockWidgets;
 };