diff --git a/juci/notebook.cc b/juci/notebook.cc
index 2179d26..93cf561 100644
--- a/juci/notebook.cc
+++ b/juci/notebook.cc
@@ -21,11 +21,7 @@ Notebook::Controller::Controller(Keybindings::Controller& keybindings){
   keybindings.action_group_menu()->add(Gtk::Action::create("FileMenu",
                                                            Gtk::Stock::FILE));
   /* File->New files */
-  keybindings.action_group_menu()->add(Gtk::Action::create("FileOpenFile",
-                                                           Gtk::Stock::OPEN),
-                                       [this]() {
-                                         OnOpenFile();
-                                       });
+
   keybindings.action_group_menu()->add(Gtk::Action::create("FileNewStandard",
                                                            Gtk::Stock::NEW,
                                                            "New empty file",
@@ -136,8 +132,15 @@ void Notebook::Controller::OnEditCut() {
   }
 }
 
-void Notebook::Controller::OnOpenFile() {
-  std::cout << "fired" << std::endl;
+void Notebook::Controller::OnOpenFile(std::string name, std::string content){
+  scrolledwindow_vec_.push_back(new Gtk::ScrolledWindow());
+  source_vec_.push_back(new Source::Controller);
+  scrolledwindow_vec_.back()->add(source_vec_.back()->view());
+  source_vec_.back()->view().get_buffer()->set_text(content);
+  view_.notebook().append_page(*scrolledwindow_vec_.back(), name);
+  view_.notebook().show_all_children();
+  view_.notebook().set_focus_child(*scrolledwindow_vec_.back());
+  view_.notebook().set_current_page(view_.notebook().get_n_pages()-1);
 }
 
 
diff --git a/juci/notebook.h b/juci/notebook.h
index 2e15b57..7afb31f 100644
--- a/juci/notebook.h
+++ b/juci/notebook.h
@@ -36,7 +36,7 @@ namespace Notebook {
     void OnEditCopy();
     void OnEditPaste();
     void OnEditCut();
-    void OnOpenFile();
+    void OnOpenFile(std::string name, std::string content);
   };  // class controller
 }  // namespace Notebook
 
diff --git a/juci/window.cc b/juci/window.cc
index 38b5da6..2e3942d 100644
--- a/juci/window.cc
+++ b/juci/window.cc
@@ -12,6 +12,11 @@ Window::Window() :
 					[this]() {
 					  OnWindowHide();
 					});
+    keybindings_.action_group_menu()->add(Gtk::Action::create("FileOpenFile",
+                                                           Gtk::Stock::OPEN),
+                                       [this]() {
+                                         OnOpenFile();
+                                       });
   add_accel_group(keybindings_.ui_manager_menu()->get_accel_group());
   add_accel_group(keybindings_.ui_manager_hidden()->get_accel_group());
   
@@ -23,3 +28,55 @@ Window::Window() :
 void Window::OnWindowHide() {
   hide();
 }
+
+void Window::OnOpenFile() {
+  Gtk::FileChooserDialog dialog("Please choose a file",
+            Gtk::FILE_CHOOSER_ACTION_OPEN);
+    dialog.set_transient_for(*this);
+    dialog.set_position(Gtk::WindowPosition::WIN_POS_CENTER_ALWAYS);
+
+    //Add response buttons the the dialog:
+    dialog.add_button("_Cancel", Gtk::RESPONSE_CANCEL);
+    dialog.add_button("_Open", Gtk::RESPONSE_OK);
+
+    //Add filters, so that only certain file types can be selected:
+    Glib::RefPtr<Gtk::FileFilter> filter_text = Gtk::FileFilter::create();
+    filter_text->set_name("Text files");
+    filter_text->add_mime_type("text/plain");
+    dialog.add_filter(filter_text);
+
+    Glib::RefPtr<Gtk::FileFilter> filter_cpp = Gtk::FileFilter::create();
+    filter_cpp->set_name("C/C++ files");
+    filter_cpp->add_mime_type("text/x-c");
+    filter_cpp->add_mime_type("text/x-c++");
+    filter_cpp->add_mime_type("text/x-c-header");
+    dialog.add_filter(filter_cpp);
+
+    Glib::RefPtr<Gtk::FileFilter> filter_any = Gtk::FileFilter::create();
+    filter_any->set_name("Any files");
+    filter_any->add_pattern("*");
+    dialog.add_filter(filter_any);
+
+    int result = dialog.run();
+
+    switch (result) {
+        case(Gtk::RESPONSE_OK): {
+            std::cout << "Open clicked." << std::endl;
+
+            std::string path = dialog.get_filename();
+            std::cout << "File selected: " << path << std::endl;
+	    Source::Controller sourcefile;
+	    notebook_.OnOpenFile(path, sourcefile.OnOpenFile(path));
+            break;
+        }
+        case(Gtk::RESPONSE_CANCEL): {
+            std::cout << "Cancel clicked." << std::endl;
+            break;
+        }
+        default: {
+            std::cout << "Unexpected button clicked." << std::endl;
+            break;
+        }
+    }
+
+}
diff --git a/juci/window.h b/juci/window.h
index ba275a7..d002781 100644
--- a/juci/window.h
+++ b/juci/window.h
@@ -17,6 +17,7 @@ private:
 
   //signal handlers
   void OnWindowHide();
+  void OnOpenFile();
 };
 
 #endif  // JUCI_WINDOW_H_