Created a NodeDock with signals and groups

tools/editor/node_dock.h

@@ -0,0 +1,38 @@
+#ifndef NODE_DOCK_H
+#define NODE_DOCK_H
+
+#include "connections_dialog.h"
+#include "groups_editor.h"
+
+class NodeDock : public VBoxContainer {
+
+	OBJ_TYPE(NodeDock,VBoxContainer);
+
+	ToolButton *connections_button;
+	ToolButton *groups_button;
+
+	ConnectionsDock *connections;
+	GroupsEditor *groups;
+
+	HBoxContainer *mode_hb;
+
+	Label* select_a_node;
+
+protected:
+
+	static void _bind_methods();
+	void _notification(int p_what);
+
+public:
+
+	static NodeDock *singleton;
+
+	void set_node(Node* p_node);
+
+	void show_groups();
+	void show_connections();
+
+	NodeDock();
+};
+
+#endif // NODE_DOCK_H