Work on inserting, removing, hiding and showing features in the body

src/Mod/PartDesign/Gui/ViewProvider.cpp

@@ -27,8 +27,11 @@
 #endif
 
 #include "ViewProvider.h"
+#include "Workbench.h"
+#include <Mod/PartDesign/App/Body.h>
 #include <Mod/Part/App/PropertyTopoShape.h>
 #include <Gui/Command.h>
+#include <Gui/Application.h>
 #include <Base/Exception.h>
 
 using namespace PartDesignGui;
@@ -69,3 +72,25 @@ void ViewProvider::updateData(const App::Property* prop)
     }
     inherited::updateData(prop);
 }
+
+bool ViewProvider::onDelete(const std::vector<std::string> &)
+{
+    // Body feature housekeeping
+    PartDesign::Body* body = PartDesign::Body::findBodyOf(getObject());
+    if (body != NULL) {
+        body->removeFeature(getObject());
+        // Make the new Tip and the previous solid feature visible again
+        App::DocumentObject* tip = body->Tip.getValue();
+        App::DocumentObject* prev = body->getPrevSolidFeature();
+        Gui::Application::Instance->getViewProvider(tip)->show();
+        if (tip != prev)
+            Gui::Application::Instance->getViewProvider(prev)->show();
+    }
+
+    // TODO: Ask user what to do about dependent objects, e.g. Sketches that have this feature as their support
+    // 1. Delete
+    // 2. Suppress
+    // 3. Re-route
+
+    return true;
+}