Fem: Improve constraint section print (#14046)

Co-authored-by: Chris Hennes <chennes@pioneerlibrarysystem.org>

src/Mod/Fem/Gui/CMakeLists.txt

@@ -361,6 +361,7 @@ SET(FemGuiSymbol_IV
     Resources/symbols/ConstraintPlaneRotation.iv
     Resources/symbols/ConstraintPressure.iv
     Resources/symbols/ConstraintRigidBody.iv
+    Resources/symbols/ConstraintSectionPrint.iv
     Resources/symbols/ConstraintSpring.iv
     Resources/symbols/ConstraintTemperature.iv
     Resources/symbols/ConstraintTie.iv

src/Mod/Fem/Gui/Resources/symbols/ConstraintSectionPrint.iv

@@ -0,0 +1,19 @@
+#Inventor V2.1 ascii
+
+
+Separator {
+
+  Separator {
+
+    Translation {
+      translation 0 0.05 0
+
+    }
+    Cube {
+      width 0.75
+      height 0.1
+      depth 0.75
+
+    }
+  }
+}

src/Mod/Fem/Gui/Resources/ui/ConstraintSectionPrint.ui

@@ -15,17 +15,33 @@
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
-    <spacer name="verticalSpacer_2">
-     <property name="orientation">
-      <enum>Qt::Vertical</enum>
+    <widget class="QGroupBox" name="groupBox_3">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
      </property>
-     <property name="sizeHint" stdset="0">
-      <size>
-       <width>20</width>
-       <height>40</height>
-      </size>
+     <property name="title">
+      <string>Parameter</string>
      </property>
-    </spacer>
+     <layout class="QVBoxLayout" name="verticalLayout_5">
+      <item>
+       <layout class="QGridLayout" name="gridLayout_1">
+        <item row="0" column="0">
+         <widget class="QLabel" name="lbl_variable">
+          <property name="text">
+           <string>Variable</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QComboBox" name="cb_variable"/>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
    </item>
   </layout>
  </widget>

src/Mod/Fem/femobjects/constraint_sectionprint.py

@@ -31,6 +31,7 @@ __url__ = "https://www.freecad.org"
 
 from . import base_fempythonobject
 
+_PropHelper = base_fempythonobject._PropHelper
 
 class ConstraintSectionPrint(base_fempythonobject.BaseFemPythonObject):
     """
@@ -41,3 +42,30 @@ class ConstraintSectionPrint(base_fempythonobject.BaseFemPythonObject):
 
     def __init__(self, obj):
         super(ConstraintSectionPrint, self).__init__(obj)
+
+        for prop in self._get_properties():
+            prop.add_to_object(obj)
+
+
+    def _get_properties(self):
+        prop = []
+
+        prop.append(_PropHelper(
+            type  = "App::PropertyEnumeration",
+            name  = "Variable",
+            group = "Constraint Section Print",
+            doc   = "Set facial variable",
+            value = ["Section Force", "Heat Flux", "Drag Stress"]
+            )
+        )
+
+        return prop
+
+
+    def onDocumentRestored(self, obj):
+        # update old project with new properties
+        for prop in self._get_properties():
+            try:
+                obj.getPropertyByName(prop.name)
+            except:
+                prop.add_to_object(obj)

src/Mod/Fem/femsolver/calculix/write_constraint_sectionprint.py

@@ -64,8 +64,16 @@ def write_constraint(f, femobj, sectionprint_obj, ccxwriter):
 
     # floats read from ccx should use {:.13G}, see comment in writer module
 
+    variable = sectionprint_obj.Variable
+    if variable == "Section Force":
+        key = "SOF, SOM, SOAREA"
+    elif variable == "Heat Flux":
+        key = "FLUX"
+    elif variable == "Drag Stress":
+        key = "DRAG"
+
     f.write(
         "*SECTION PRINT, SURFACE=SECTIONFACE{}, NAME=SECTIONPRINT{}\n"
         .format(sectionprint_obj.Name, sectionprint_obj.Name)
     )
-    f.write("SOF, SOM, SOAREA\n")
+    f.write(key + "\n")

src/Mod/Fem/femtaskpanels/task_constraint_sectionprint.py

@@ -29,6 +29,7 @@ __url__ = "https://www.freecad.org"
 #  \ingroup FEM
 #  \brief task panel for constraint section print object
 
+from PySide import QtCore
 from PySide import QtGui
 
 import FreeCAD
@@ -52,6 +53,14 @@ class _TaskPanel:
             FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/ConstraintSectionPrint.ui"
         )
 
+        self.init_parameter_widget()
+
+        QtCore.QObject.connect(
+            self.parameterWidget.cb_variable,
+            QtCore.SIGNAL("currentIndexChanged(int)"),
+            self.variable_changed
+        )
+
         # geometry selection widget
         self.selectionWidget = selection_widgets.GeometryElementsSelection(
             obj.References,
@@ -61,15 +70,11 @@ class _TaskPanel:
         )
 
         # form made from param and selection widget
-        self.form = [self.parameterWidget, self.selectionWidget]
+        self.form = [self.selectionWidget, self.parameterWidget]
 
     def accept(self):
         # check values
         items = len(self.selectionWidget.references)
-        FreeCAD.Console.PrintMessage(
-            "Task panel: found references: {}\n{}\n"
-            .format(items, self.selectionWidget.references)
-        )
 
         if items != 1:
             msgBox = QtGui.QMessageBox()
@@ -87,6 +92,8 @@ class _TaskPanel:
                 return False
             elif msgBox.clickedButton() == ignoreButton:
                 pass
+
+        self.obj.Variable = self.variable
         self.obj.References = self.selectionWidget.references
         self.recompute_and_set_back_all()
         return True
@@ -102,3 +109,13 @@ class _TaskPanel:
         if self.selectionWidget.sel_server:
             FreeCADGui.Selection.removeObserver(self.selectionWidget.sel_server)
         doc.resetEdit()
+
+    def init_parameter_widget(self):
+        self.variable = self.obj.Variable
+        self.variable_enum = self.obj.getEnumerationsOfProperty("Variable")
+        self.parameterWidget.cb_variable.addItems(self.variable_enum)
+        index = self.variable_enum.index(self.variable)
+        self.parameterWidget.cb_variable.setCurrentIndex(index)
+
+    def variable_changed(self, index):
+        self.variable = self.variable_enum[index]

src/Mod/Fem/femviewprovider/view_constraint_sectionprint.py

@@ -38,6 +38,12 @@ class VPConstraintSectionPrint(view_base_femconstraint.VPBaseFemConstraint):
     A View Provider for the ConstraintSectionPrint object
     """
 
+    def __init__(self, vobj):
+        super().__init__(vobj)
+        mat = vobj.ShapeAppearance[0]
+        mat.DiffuseColor = (0.0, 0.165, 1.0, 0.0)
+        vobj.ShapeAppearance = mat
+
     def setEdit(self, vobj, mode=0):
         view_base_femconstraint.VPBaseFemConstraint.setEdit(
             self,
@@ -45,3 +51,7 @@ class VPConstraintSectionPrint(view_base_femconstraint.VPBaseFemConstraint):
             mode,
             task_constraint_sectionprint._TaskPanel
         )
+
+    def attach(self, vobj):
+        super().attach(vobj)
+        vobj.loadSymbol(self.resource_symbol_dir + "ConstraintSectionPrint.iv")