TD: [skip ci] implement DrawView::recompute to handle all OCC exception types

src/Mod/TechDraw/App/DrawView.cpp

@@ -93,6 +93,19 @@ DrawView::~DrawView()
 {
 }
 
+App::DocumentObjectExecReturn *DrawView::recompute(void)
+{
+    try {
+        return App::DocumentObject::recompute();
+    }
+    catch (Standard_Failure& e) {
+        App::DocumentObjectExecReturn* ret = new App::DocumentObjectExecReturn(e.GetMessageString());
+        if (ret->Why.empty())
+            ret->Why = "Unknown OCC exception";
+        return ret;
+    }
+}
+
 App::DocumentObjectExecReturn *DrawView::execute(void)
 {
 //    Base::Console().Message("DV::execute() - %s touched: %d\n", getNameInDocument(), isTouched());