FEM: added object FemShellThickness and FemBeamSection to enable shel…

…l and beam analysises

src/Mod/Fem/App/CMakeLists.txt

@@ -72,6 +72,10 @@ SET(FemScripts_SRCS
     ccxFrdReader.py
     ccxInpWriter.py
     TestFem.py
+    FemShellThickness.py
+    FemShellThickness.ui
+    FemBeamSection.py
+    FemBeamSection.ui
     FemTools.py
     MechanicalAnalysis.ui
     MechanicalAnalysis.py

src/Mod/Fem/CMakeLists.txt

@@ -14,7 +14,11 @@ INSTALL(
         ccxInpWriter.py
         FemTools.py
         TestFem.py
+        FemBeamSection.py
+        FemBeamSection.ui
         FemExample.py
+        FemShellThickness.py 
+        FemShellThickness.ui 
         MechanicalAnalysis.py
         MechanicalMaterial.py
         MechanicalMaterial.ui

src/Mod/Fem/FemBeamSection.py

@@ -0,0 +1,227 @@
+#***************************************************************************
+#*                                                                         *
+#*   Copyright (c) 2015 - Bernd Hahnebach <bernd@bimstatik.org>            *
+#*                                                                         *
+#*   This program is free software; you can redistribute it and/or modify  *
+#*   it under the terms of the GNU Lesser General Public License (LGPL)    *
+#*   as published by the Free Software Foundation; either version 2 of     *
+#*   the License, or (at your option) any later version.                   *
+#*   for detail see the LICENCE text file.                                 *
+#*                                                                         *
+#*   This program is distributed in the hope that it will be useful,       *
+#*   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+#*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+#*   GNU Library General Public License for more details.                  *
+#*                                                                         *
+#*   You should have received a copy of the GNU Library General Public     *
+#*   License along with this program; if not, write to the Free Software   *
+#*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+#*   USA                                                                   *
+#*                                                                         *
+#***************************************************************************
+
+import FreeCAD
+
+if FreeCAD.GuiUp:
+    import FreeCADGui
+    import FemGui
+    from PySide import QtGui
+    from PySide import QtCore
+    from pivy import coin
+
+
+__title__ = "FemBeamSection"
+__author__ = "Bernd Hahnebach"
+__url__ = "http://www.freecadweb.org"
+
+
+def makeFemBeamSection(width=20.0, height=20.0, name="BeamSection"):
+    '''makeFemBeamSection([width], [height], [name]): creates an beamsection object to define a cross section'''
+    obj = FreeCAD.ActiveDocument.addObject("App::FeaturePython", name)
+    _FemBeamSection(obj)
+    obj.Width = width
+    obj.Height = height
+    if FreeCAD.GuiUp:
+        _ViewProviderFemBeamSection(obj.ViewObject)
+    return obj
+
+
+class _CommandFemBeamSection:
+    "The Fem_BeamSection command definition"
+    def GetResources(self):
+        return {'Pixmap': 'fem-beam-section',
+                'MenuText': QtCore.QT_TRANSLATE_NOOP("Fem_BeamSection", "FEM Beam Cross Section Definition ..."),
+                'Accel': "C, B",
+                'ToolTip': QtCore.QT_TRANSLATE_NOOP("Fem_BeamSection", "Creates a FEM Beam Cross Section")}
+
+    def Activated(self):
+        FreeCAD.ActiveDocument.openTransaction("Create FemBeamSection")
+        FreeCADGui.addModule("FemBeamSection")
+        FreeCADGui.doCommand("FemBeamSection.makeFemBeamSection()")
+        FreeCADGui.doCommand("App.activeDocument()." + FemGui.getActiveAnalysis().Name + ".Member = App.activeDocument()." + FemGui.getActiveAnalysis().Name + ".Member + [App.ActiveDocument.ActiveObject]")
+
+    def IsActive(self):
+        True if FemGui.getActiveAnalysis() else False
+
+
+class _FemBeamSection:
+    "The FemBeamSection object"
+    def __init__(self, obj):
+        obj.addProperty("App::PropertyLength", "Width", "BeamSection", "set width of the beam elements")
+        obj.addProperty("App::PropertyLength", "Height", "BeamSection", "set height of the beam elements")
+        obj.addProperty("App::PropertyLinkSubList", "References", "BeamSection", "List of beam section shapes")
+        obj.Proxy = self
+        self.Type = "FemBeamSection"
+
+    def execute(self, obj):
+        return
+
+
+class _ViewProviderFemBeamSection:
+    "A View Provider for the FemBeamSection object"
+    def __init__(self, vobj):
+        vobj.Proxy = self
+
+    def getIcon(self):
+        return ":/icons/fem-beam-section.svg"
+
+    def attach(self, vobj):
+        self.ViewObject = vobj
+        self.Object = vobj.Object
+        self.standard = coin.SoGroup()
+        vobj.addDisplayMode(self.standard, "Standard")
+
+    def getDisplayModes(self, obj):
+        return ["Standard"]
+
+    def getDefaultDisplayMode(self):
+        return "Standard"
+
+    def updateData(self, obj, prop):
+        return
+
+    def onChanged(self, vobj, prop):
+        return
+
+    def setEdit(self, vobj, mode=0):
+        taskd = _FemBeamSectionTaskPanel(self.Object)
+        taskd.obj = vobj.Object
+        #taskd.update()     When is this needed ?
+        FreeCADGui.Control.showDialog(taskd)
+        return True
+
+    def unsetEdit(self, vobj, mode=0):
+        FreeCADGui.Control.closeDialog()
+        return
+
+    def doubleClicked(self, vobj):
+        self.setEdit(vobj)
+
+    def __getstate__(self):
+        return None
+
+    def __setstate__(self, state):
+        return None
+
+
+class _FemBeamSectionTaskPanel:
+    '''The TaskPanel for editing References property of FemBeamSection objects'''
+    def __init__(self, obj):
+        FreeCADGui.Selection.clearSelection()
+        self.sel_server = None
+        self.obj = obj
+        self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Fem/FemBeamSection.ui")
+
+        QtCore.QObject.connect(self.form.pushButton_Reference, QtCore.SIGNAL("clicked()"), self.add_references)
+        self.form.list_References.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
+        self.form.list_References.connect(self.form.list_References, QtCore.SIGNAL("customContextMenuRequested(QPoint)"), self.references_list_right_clicked)
+
+        self.previous_references = self.obj.References
+        self.references = self.obj.References
+        self.rebuild_list_References()
+
+    def accept(self):
+        if self.sel_server:
+            FreeCADGui.Selection.removeObserver(self.sel_server)
+        self.obj.References = self.references
+        FreeCADGui.ActiveDocument.resetEdit()
+        FreeCAD.ActiveDocument.recompute()
+        return True
+
+    def reject(self):
+        if self.sel_server:
+            FreeCADGui.Selection.removeObserver(self.sel_server)
+        FreeCADGui.ActiveDocument.resetEdit()
+        return True
+
+    def references_list_right_clicked(self, QPos):
+        self.form.contextMenu = QtGui.QMenu()
+        menu_item = self.form.contextMenu.addAction("Remove Reference")
+        if not self.references:
+            menu_item.setDisabled(True)
+        self.form.connect(menu_item, QtCore.SIGNAL("triggered()"), self.remove_reference)
+        parentPosition = self.form.list_References.mapToGlobal(QtCore.QPoint(0, 0))
+        self.form.contextMenu.move(parentPosition + QPos)
+        self.form.contextMenu.show()
+
+    def remove_reference(self):
+        if not self.references:
+            return
+        currentItemName = str(self.form.list_References.currentItem().text())
+        for ref in self.references:
+            refname_to_compare_listentry = ref[0].Name + '-->' + ref[1]
+            if refname_to_compare_listentry == currentItemName:
+                self.references.remove(ref)
+        self.rebuild_list_References()
+
+    def add_references(self):
+        '''Called if Button add_reference is triggered'''
+        # in constraints EditTaskPanel the selection is active as soon as the taskpanel is open
+        # here the addReference button EditTaskPanel has to be triggered to start selection mode
+        FreeCADGui.Selection.clearSelection()
+        # start SelectionObserver and parse the function to add the References to the widget
+        self.sel_server = ReferenceShapeSelectionObserver(self.selectionParser)
+
+    def selectionParser(self, selsub):
+        sel = selsub[0]
+        sub = selsub[1]
+        # print 'selection: ', sel.Shape.ShapeType, '  ', sel.Name, '  ', sub
+        if hasattr(sel, "Shape"):
+            elt = sel.Shape.getElement(sub)
+            if elt.ShapeType == 'Edge':
+                if selsub not in self.references:
+                    self.references.append(selsub)
+                    self.rebuild_list_References()
+                else:
+                    print sel.Name, '-->', sub, ' is already in reference list!'
+
+        else:
+            print 'Selection has no shape!'
+
+    def rebuild_list_References(self):
+        self.form.list_References.clear()
+        items = []
+        for i in self.references:
+            item_name = i[0].Name + '-->' + i[1]
+            items.append(item_name)
+        for listItemName in sorted(items):
+            listItem = QtGui.QListWidgetItem(listItemName, self.form.list_References)  # listItem =   is needed
+
+
+class ReferenceShapeSelectionObserver:
+    '''ReferenceShapeSelectionObserver
+       started on click  button addReference'''
+    def __init__(self, parseSelectionFunction):
+        self.parseSelectionFunction = parseSelectionFunction
+        FreeCADGui.Selection.addObserver(self)
+        FreeCAD.Console.PrintMessage("Select Faces to add them to the list!\n")
+
+    def addSelection(self, docName, objName, sub, pos):
+        selected_object = FreeCAD.getDocument(docName).getObject(objName)  # get the obj objName
+        self.added_obj = (selected_object, sub)
+        if sub:         # on doubleClick the solid is selected and sub will be empty
+            self.parseSelectionFunction(self.added_obj)
+
+
+if FreeCAD.GuiUp:
+    FreeCADGui.addCommand('Fem_BeamSection', _CommandFemBeamSection())

src/Mod/Fem/FemBeamSection.ui

@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Form</class>
+ <widget class="QWidget" name="Form">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>249</width>
+    <height>379</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QGroupBox" name="groupBox_3">
+     <property name="maximumSize">
+      <size>
+       <width>16777215</width>
+       <height>1677215</height>
+      </size>
+     </property>
+     <property name="title">
+      <string>Cross Section</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_5">
+      <item>
+       <widget class="QLabel" name="l_label_text_3">
+        <property name="text">
+         <string>Use FreeCAD Property Editor</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="l_label_text_4">
+        <property name="text">
+         <string>to edit the cross section values</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox_1">
+     <property name="title">
+      <string>Reference</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <item>
+       <widget class="QLabel" name="l_label_text_1">
+        <property name="text">
+         <string>Leave reference blank </string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="l_label_text_2">
+        <property name="text">
+         <string>to choose all remaining shapes</string>
+        </property>
+        <property name="wordWrap">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QPushButton" name="pushButton_Reference">
+        <property name="text">
+         <string>Add reference</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QListWidget" name="list_References"/>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <spacer name="verticalSpacer_2">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>