FEM: new solver framework, initial commit

src/Mod/Fem/femsolver/solverbase.py

@@ -0,0 +1,108 @@
+# ***************************************************************************
+# *                                                                         *
+# *   Copyright (c) 2017 - Markus Hovorka <m.hovorka@live.de>               *
+# *                                                                         *
+# *   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__ = "General Solver Object"
+__author__ = "Markus Hovorka"
+__url__ = "http://www.freecadweb.org"
+
+
+from PySide import QtGui
+
+import FreeCAD as App
+from . import run
+
+if App.GuiUp:
+    import FreeCADGui as Gui
+    import PyGui._TaskPanelFemSolverControl
+
+
+class Proxy(object):
+
+    BaseType = "Fem::FemSolverObjectPython"
+
+    def __init__(self, obj):
+        obj.Proxy = self
+        obj.addExtension("App::GroupExtensionPython", self)
+
+    def createMachine(self, obj, directory):
+        raise NotImplementedError()
+
+    def createEquation(self, obj, eqId):
+        raise NotImplementedError()
+
+    def isSupported(self, equation):
+        raise NotImplementedError()
+
+    def addEquation(self, obj, eqId):
+        obj.addObject(self.createEquation(
+            obj.Document, eqId))
+
+    def editSupported(self):
+        return False
+
+    def edit(self, directory):
+        raise NotImplementedError()
+
+    def execute(self, obj):
+        return True
+
+
+class ViewProxy(object):
+    """Proxy for FemSolverElmers View Provider."""
+
+    def __init__(self, vobj):
+        vobj.Proxy = self
+        vobj.addExtension("Gui::ViewProviderGroupExtensionPython", self)
+
+    def setEdit(self, vobj, mode=0):
+        try:
+            machine = run.getMachine(vobj.Object)
+        except run.MustSaveError:
+            QtGui.QMessageBox.critical(
+                Gui.getMainWindow(),
+                "Can't open Task Panel",
+                "Please save the file before opening the task panel. "
+                "This must be done because the location of the working "
+                "directory is set to \"Beside .fcstd File\".")
+            return False
+        except run.DirectoryDoesNotExist:
+            QtGui.QMessageBox.critical(
+                Gui.getMainWindow(),
+                "Can't open Task Panel",
+                "Selected working directory doesn't exist.")
+            return False
+        task = PyGui._TaskPanelFemSolverControl.ControlTaskPanel(machine)
+        Gui.Control.showDialog(task)
+        return True
+
+    def unsetEdit(self, vobj, mode=0):
+        Gui.Control.closeDialog()
+
+    def doubleClicked(self, vobj):
+        if Gui.Control.activeDialog():
+            Gui.Control.closeDialog()
+        Gui.ActiveDocument.setEdit(vobj.Object.Name)
+        return True
+
+    def attach(self, vobj):
+        pass