FEM: mesh region, add task panel

src/Mod/Fem/App/CMakeLists.txt

@@ -88,6 +88,7 @@ SET(FemScripts_SRCS
     _MechanicalMaterial.py
     _TaskPanelFemBeamSection.py
     _TaskPanelFemMeshGmsh.py
+    _TaskPanelFemMeshRegion.py
     _TaskPanelFemShellThickness.py
     _TaskPanelFemSolverCalculix.py
     _TaskPanelMechanicalMaterial.py
@@ -133,6 +134,7 @@ SET(FemScripts_SRCS
     z88DispReader.py
     TaskPanelFemBeamSection.ui
     TaskPanelFemMeshGmsh.ui
+    TaskPanelFemMeshRegion.ui
     TaskPanelFemShellThickness.ui
     TaskPanelFemSolverCalculix.ui
     TaskPanelMechanicalMaterial.ui

src/Mod/Fem/CMakeLists.txt

@@ -52,6 +52,8 @@ INSTALL(
         _FemMeshRegion.py
         _ViewProviderFemMeshRegion.py
         _CommandMeshRegion.py
+        _TaskPanelFemMeshRegion.py
+        TaskPanelFemMeshRegion.ui
 
         FemBeamSection.py
         _FemBeamSection.py

src/Mod/Fem/TaskPanelFemMeshRegion.ui

@@ -0,0 +1,82 @@
+<?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>Mesh region</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>FEM mesh region</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 characteristic length</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox_1">
+     <property name="title">
+      <string>References</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <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>

src/Mod/Fem/_TaskPanelFemMeshRegion.py

@@ -0,0 +1,146 @@
+# ***************************************************************************
+# *                                                                         *
+# *   Copyright (c) 2016 - 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                                                                   *
+# *                                                                         *
+# ***************************************************************************
+
+__title__ = "_TaskPanelFemMeshRegion"
+__author__ = "Bernd Hahnebach"
+__url__ = "http://www.freecadweb.org"
+
+## @package TaskPanelFemMeshRegion
+#  \ingroup FEM
+
+import FreeCAD
+import FreeCADGui
+from PySide import QtGui
+from PySide import QtCore
+
+
+class _TaskPanelFemMeshRegion:
+    '''The TaskPanel for editing References property of FemMeshRegion objects'''
+    def __init__(self, obj):
+        FreeCADGui.Selection.clearSelection()
+        self.sel_server = None
+        self.obj = obj
+        self.references = []
+        if self.obj.References:
+            self.tuplereferences = self.obj.References
+            self.get_references()
+
+        self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Fem/TaskPanelFemMeshRegion.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.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 get_references(self):
+        for ref in self.tuplereferences:
+            for elem in ref[1]:
+                self.references.append((ref[0], elem))
+
+    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
+        print_message = "Select Edges and Faces by single click on them or Solids by single click on a Vertex to add them to the list"
+        import FemSelectionObserver
+        self.sel_server = FemSelectionObserver.FemSelectionObserver(self.selectionParser, print_message)
+
+    def selectionParser(self, selection):
+        print('selection: ', selection[0].Shape.ShapeType, '  ', selection[0].Name, '  ', selection[1])
+        if hasattr(selection[0], "Shape"):
+            # get the Shape to mesh
+            if len(self.obj.InList) == 1:
+                shape_to_mesh = self.obj.InList[0].Part.Shape
+                # check if the Shape the selected element belongs to is the Part to mesh of the mesh object
+                if shape_to_mesh.isSame(selection[0].Shape):
+                    if selection[1]:
+                        elt = selection[0].Shape.getElement(selection[1])
+                        '''
+                        # we need to select a Solid out of a CompSolid !!!
+                        # may be by selecting a Face and and Edge which belongs to the solid
+                        # we really need some ShapeType filter for selecting shapes
+                        if elt.ShapeType == "Vertex":
+                            if selection[0].Shape.ShapeType == "Solid":
+                                elt = selection[0].Shape
+                                selection = (selection[0], '')
+                            else:
+                                FreeCAD.Console.PrintMessage("Selected Vertex does not belong to a Solid: " + selection[0].Name + " is a " + selection[0].Shape.ShapeType + " \n")
+                        '''
+                        if elt.ShapeType == "Vertex" or elt.ShapeType == 'Edge' or elt.ShapeType == 'Face' or elt.ShapeType == 'Solid':
+                            if selection not in self.references:
+                                self.references.append(selection)
+                                self.rebuild_list_References()
+                            else:
+                                FreeCAD.Console.PrintMessage(selection[0].Name + ' --> ' + selection[1] + ' is in reference list already!\n')
+                        else:
+                            FreeCAD.Console.PrintMessage(selection[0].Name + ' --> ' + selection[1] + ' is a not supported ShapeType: ' + elt.ShapeType + ' \n')
+                    else:
+                        FreeCAD.Console.PrintError("No selection[1].\n")
+                else:
+                    FreeCAD.Console.PrintError("The selected element does not belong to the shape to mesh. Select an element of the object: " + self.obj.InList[0].Part.Name + "\n")
+            else:
+                FreeCAD.Console.PrintMessage(self.obj.Name + ' seam to belong to more than one mesh object. This is not supported.\n')
+
+    def rebuild_list_References(self):
+        self.form.list_References.clear()
+        items = []
+        for ref in self.references:
+            item_name = ref[0].Name + ':' + ref[1]
+            items.append(item_name)
+        for listItemName in sorted(items):
+            self.form.list_References.addItem(listItemName)