147 lines
6.5 KiB
Python
147 lines
6.5 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2017 Markus Hovorka <m.hovorka@live.de> *
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# * Copyright (c) 2020 Bernd Hahnebach <bernd@bimstatik.org> *
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# * *
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# * This file is part of the FreeCAD CAx development system. *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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__title__ = "FreeCAD FEM constraint electrostatic potential task panel for the document object"
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__author__ = "Markus Hovorka, Bernd Hahnebach"
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__url__ = "https://www.freecadweb.org"
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## @package task_constraint_electrostaticpotential
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# \ingroup FEM
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# \brief task panel for constraint electrostatic potential object
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import FreeCAD
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import FreeCADGui
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from FreeCAD import Units
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from femguiutils import selection_widgets
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from femtools import femutils
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from femtools import membertools
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class _TaskPanel(object):
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def __init__(self, obj):
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self._obj = obj
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self._refWidget = selection_widgets.BoundarySelector()
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self._refWidget.setReferences(obj.References)
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self._paramWidget = FreeCADGui.PySideUic.loadUi(
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FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/ElectrostaticPotential.ui")
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self._initParamWidget()
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self.form = [self._refWidget, self._paramWidget]
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analysis = obj.getParentGroup()
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self._mesh = None
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self._part = None
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if analysis is not None:
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self._mesh = membertools.get_single_member(analysis, "Fem::FemMeshObject")
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if self._mesh is not None:
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self._part = femutils.get_part_to_mesh(self._mesh)
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self._partVisible = None
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self._meshVisible = None
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def open(self):
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if self._mesh is not None and self._part is not None:
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self._meshVisible = self._mesh.ViewObject.isVisible()
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self._partVisible = self._part.ViewObject.isVisible()
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self._mesh.ViewObject.hide()
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self._part.ViewObject.show()
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def reject(self):
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self._restoreVisibility()
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FreeCADGui.ActiveDocument.resetEdit()
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return True
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def accept(self):
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if self._obj.References != self._refWidget.references():
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self._obj.References = self._refWidget.references()
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self._applyWidgetChanges()
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self._obj.Document.recompute()
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FreeCADGui.ActiveDocument.resetEdit()
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self._restoreVisibility()
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return True
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def _restoreVisibility(self):
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if self._mesh is not None and self._part is not None:
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if self._meshVisible:
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self._mesh.ViewObject.show()
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else:
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self._mesh.ViewObject.hide()
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if self._partVisible:
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self._part.ViewObject.show()
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else:
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self._part.ViewObject.hide()
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def _initParamWidget(self):
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unit = "V"
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q = Units.Quantity("{} {}".format(self._obj.Potential, unit))
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self._paramWidget.potentialTxt.setText(
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q.UserString)
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self._paramWidget.potentialBox.setChecked(
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not self._obj.PotentialEnabled)
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self._paramWidget.potentialConstantBox.setChecked(
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self._obj.PotentialConstant)
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self._paramWidget.electricInfinityBox.setChecked(
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self._obj.ElectricInfinity)
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self._paramWidget.electricForcecalculationBox.setChecked(
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self._obj.ElectricForcecalculation)
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self._paramWidget.capacitanceBodyBox.setChecked(
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not self._obj.CapacitanceBodyEnabled)
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self._paramWidget.capacitanceBody_spinBox.setValue(
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self._obj.CapacitanceBody)
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def _applyWidgetChanges(self):
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unit = "V"
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self._obj.PotentialEnabled = \
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not self._paramWidget.potentialBox.isChecked()
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if self._obj.PotentialEnabled:
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# if the input widget shows not a green hook, but the user presses ok
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# we could run into a syntax error on getting the quantity, try mV
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quantity = None
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try:
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quantity = Units.Quantity(self._paramWidget.potentialTxt.text())
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except ValueError:
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FreeCAD.Console.PrintMessage(
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"Wrong input. OK has been triggered without a green hook "
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"in the input field. Not recognised input: '{}' "
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"Potential has not been set.\n"
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.format(self._paramWidget.potentialTxt.text())
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)
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if quantity is not None:
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self._obj.Potential = float(quantity.getValueAs(unit))
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self._obj.PotentialConstant = self._paramWidget.potentialConstantBox.isChecked()
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self._obj.ElectricInfinity = self._paramWidget.electricInfinityBox.isChecked()
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calc_is_checked = self._paramWidget.electricForcecalculationBox.isChecked()
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self._obj.ElectricForcecalculation = calc_is_checked # two lines because max line length
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self._obj.CapacitanceBodyEnabled = \
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not self._paramWidget.capacitanceBodyBox.isChecked()
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if self._obj.CapacitanceBodyEnabled:
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self._paramWidget.capacitanceBody_spinBox.setEnabled(True)
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self._obj.CapacitanceBody = self._paramWidget.capacitanceBody_spinBox.value()
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