FEM: ResultsPurge - delete all results objects including pipelines an…

…d filters (FreeCAD#18328)

* FEM: Update resulttools.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* FEM: Update resulttools.py

* FEM: Update commands.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* FEM: Update resulttools.py

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/Mod/Fem/femcommands/commands.py

@@ -893,7 +893,7 @@ def __init__(self):
         self.tooltip = Qt.QT_TRANSLATE_NOOP(
             "FEM_ResultsPurge", "Purges all results from active analysis"
         )
-        self.is_active = "with_results"
+        self.is_active = "with_analysis"
 
     def Activated(self):
         import femresult.resulttools as resulttools

src/Mod/Fem/femresult/resulttools.py

@@ -43,7 +43,7 @@ def purge_results(analysis):
         analysis group as a container for all  objects needed for the analysis
     """
 
-    # if analysis typ check is used result mesh
+    # if analysis type check is used, result mesh
     # without result obj is created in the analysis
     # we could run into trouble in one loop because
     # we will delete objects and try to access them later
@@ -62,9 +62,19 @@ def purge_results(analysis):
             analysis.Document.removeObject(m.Name)
     analysis.Document.recompute()
 
-    # dat text object
+    # text object
     for m in analysis.Group:
-        if is_of_type(m, "App::TextDocument") and m.Name.startswith("ccx_dat_file"):
+        if is_of_type(m, "App::TextDocument"):
+            analysis.Document.removeObject(m.Name)
+    analysis.Document.recompute()
+
+    # result pipeline and filter
+    for m in analysis.Group:
+        if is_of_type(m, "Fem::FemPostPipeline"):
+            # delete associated filters
+            for filter_obj in m.Filter:
+                analysis.Document.removeObject(filter_obj.Name)
+            # delete the pipeline itself
             analysis.Document.removeObject(m.Name)
     analysis.Document.recompute()