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# * Copyright (c) 2023 Uwe Stöhr <uwestoehr@lyx.org> *
# * Copyright (c) 2025 Mario Passaglia <mpassaglia[at]cbc.uba.ar> *
# * *
# * This file is part of the FreeCAD CAx development system. *
# * *
# * 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__ = "FreeCAD FEM constraint current density task panel for the document object"
__author__ = "Uwe Stöhr, Mario Passaglia"
__url__ = "https://www.freecad.org"
## @package task_constraint_currentdensity
# \ingroup FEM
# \brief task panel for constraint current density object
from PySide import QtCore
import FreeCAD
import FreeCADGui
from femguiutils import selection_widgets
from femtools import membertools
from . import base_femtaskpanel
class _TaskPanel(base_femtaskpanel._BaseTaskPanel):
def __init__(self, obj):
super().__init__(obj)
self.parameter_widget = FreeCADGui.PySideUic.loadUi(
FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/CurrentDensity.ui"
)
# geometry selection widget
# start with Solid in list!
self._selectionWidget = selection_widgets.GeometryElementsSelection(
obj.References, ["Solid", "Face"], True, False
)
# form made from param and selection widget
self.form = [self.parameter_widget, self._selectionWidget]
analysis = obj.getParentGroup()
self._mesh = None
self._part = None
if analysis is not None:
self._mesh = membertools.get_single_member(analysis, "Fem::FemMeshObject")
if self._mesh is not None:
self._part = self._mesh.Shape
self._partVisible = None
self._meshVisible = None
QtCore.QObject.connect(
self.parameter_widget.cb_mode,
QtCore.SIGNAL("currentIndexChanged(int)"),
self.mode_changed,
)
QtCore.QObject.connect(
self.parameter_widget.ckb_current_density_1,
QtCore.SIGNAL("toggled(bool)"),
self.current_density_1_enabled_changed,
)
QtCore.QObject.connect(
self.parameter_widget.qsb_current_density_re_1,
QtCore.SIGNAL("valueChanged(Base::Quantity)"),
self.current_density_re_1_changed,
)
QtCore.QObject.connect(
self.parameter_widget.ckb_current_density_2,
QtCore.SIGNAL("toggled(bool)"),
self.current_density_2_enabled_changed,
)
QtCore.QObject.connect(
self.parameter_widget.qsb_current_density_re_2,
QtCore.SIGNAL("valueChanged(Base::Quantity)"),
self.current_density_re_2_changed,
)
QtCore.QObject.connect(
self.parameter_widget.ckb_current_density_3,
QtCore.SIGNAL("toggled(bool)"),
self.current_density_3_enabled_changed,
)
QtCore.QObject.connect(
self.parameter_widget.qsb_current_density_re_3,
QtCore.SIGNAL("valueChanged(Base::Quantity)"),
self.current_density_re_3_changed,
)
QtCore.QObject.connect(
self.parameter_widget.qsb_current_density_im_1,
QtCore.SIGNAL("valueChanged(Base::Quantity)"),
self.current_density_im_1_changed,
)
QtCore.QObject.connect(
self.parameter_widget.qsb_current_density_im_2,
QtCore.SIGNAL("valueChanged(Base::Quantity)"),
self.current_density_im_2_changed,
)
QtCore.QObject.connect(
self.parameter_widget.qsb_current_density_im_3,
QtCore.SIGNAL("valueChanged(Base::Quantity)"),
self.current_density_im_3_changed,
)
QtCore.QObject.connect(
self.parameter_widget.qsb_normal_current_density_re,
QtCore.SIGNAL("valueChanged(Base::Quantity)"),
self.normal_current_density_re_changed,
)
QtCore.QObject.connect(
self.parameter_widget.qsb_normal_current_density_im,
QtCore.SIGNAL("valueChanged(Base::Quantity)"),
self.normal_current_density_im_changed,
)
self.init_parameter_widget()
def open(self):
if self._mesh is not None and self._part is not None:
self._meshVisible = self._mesh.ViewObject.isVisible()
self._partVisible = self._part.ViewObject.isVisible()
self._mesh.ViewObject.hide()
self._part.ViewObject.show()
def reject(self):
self._restoreVisibility()
self._selectionWidget.finish_selection()
return super().reject()
def accept(self):
if self.obj.References != self._selectionWidget.references:
self.obj.References = self._selectionWidget.references
self._set_params()
self._selectionWidget.finish_selection()
self._restoreVisibility()
return super().accept()
def _restoreVisibility(self):
if self._mesh is not None and self._part is not None:
if self._meshVisible:
self._mesh.ViewObject.show()
else:
self._mesh.ViewObject.hide()
if self._partVisible:
self._part.ViewObject.show()
else:
self._part.ViewObject.hide()
def _get_params(self):
self.mode = self.obj.Mode
self.current_density_re_1 = self.obj.CurrentDensity_re_1
self.current_density_re_2 = self.obj.CurrentDensity_re_2
self.current_density_re_3 = self.obj.CurrentDensity_re_3
self.current_density_im_1 = self.obj.CurrentDensity_im_1
self.current_density_im_2 = self.obj.CurrentDensity_im_2
self.current_density_im_3 = self.obj.CurrentDensity_im_3
self.current_density_1_enabled = self.obj.EnableCurrentDensity_1
self.current_density_2_enabled = self.obj.EnableCurrentDensity_2
self.current_density_3_enabled = self.obj.EnableCurrentDensity_3
self.normal_current_density_re = self.obj.NormalCurrentDensity_re
self.normal_current_density_im = self.obj.NormalCurrentDensity_im
def _set_params(self):
self.obj.Mode = self.mode
self.obj.CurrentDensity_re_1 = self.current_density_re_1
self.obj.CurrentDensity_re_2 = self.current_density_re_2
self.obj.CurrentDensity_re_3 = self.current_density_re_3
self.obj.CurrentDensity_im_1 = self.current_density_im_1
self.obj.CurrentDensity_im_2 = self.current_density_im_2
self.obj.CurrentDensity_im_3 = self.current_density_im_3
self.obj.EnableCurrentDensity_1 = self.current_density_1_enabled
self.obj.EnableCurrentDensity_2 = self.current_density_2_enabled
self.obj.EnableCurrentDensity_3 = self.current_density_3_enabled
self.obj.NormalCurrentDensity_re = self.normal_current_density_re
self.obj.NormalCurrentDensity_im = self.normal_current_density_im
def init_parameter_widget(self):
self._get_params()
# custom current density
self.parameter_widget.qsb_current_density_re_1.setProperty(
"value", self.current_density_re_1
)
self.parameter_widget.qsb_current_density_re_1.setEnabled(self.current_density_1_enabled)
FreeCADGui.ExpressionBinding(self.parameter_widget.qsb_current_density_re_1).bind(
self.obj, "CurrentDensity_re_1"
)
self.parameter_widget.qsb_current_density_re_2.setProperty(
"value", self.current_density_re_2
)
self.parameter_widget.qsb_current_density_re_2.setEnabled(self.current_density_2_enabled)
FreeCADGui.ExpressionBinding(self.parameter_widget.qsb_current_density_re_2).bind(
self.obj, "CurrentDensity_re_2"
)
self.parameter_widget.qsb_current_density_re_3.setProperty(
"value", self.current_density_re_3
)
self.parameter_widget.qsb_current_density_re_3.setEnabled(self.current_density_3_enabled)
FreeCADGui.ExpressionBinding(self.parameter_widget.qsb_current_density_re_3).bind(
self.obj, "CurrentDensity_re_3"
)
self.parameter_widget.qsb_current_density_im_1.setProperty(
"value", self.current_density_im_1
)
self.parameter_widget.qsb_current_density_im_1.setEnabled(self.current_density_1_enabled)
FreeCADGui.ExpressionBinding(self.parameter_widget.qsb_current_density_im_1).bind(
self.obj, "CurrentDensity_im_1"
)
self.parameter_widget.qsb_current_density_im_2.setProperty(
"value", self.current_density_im_2
)
self.parameter_widget.qsb_current_density_im_2.setEnabled(self.current_density_2_enabled)
FreeCADGui.ExpressionBinding(self.parameter_widget.qsb_current_density_im_2).bind(
self.obj, "CurrentDensity_im_2"
)
self.parameter_widget.qsb_current_density_im_3.setProperty(
"value", self.current_density_im_3
)
self.parameter_widget.qsb_current_density_im_3.setEnabled(self.current_density_3_enabled)
FreeCADGui.ExpressionBinding(self.parameter_widget.qsb_current_density_im_3).bind(
self.obj, "CurrentDensity_im_3"
)
self.parameter_widget.ckb_current_density_1.setChecked(self.current_density_1_enabled)
self.parameter_widget.ckb_current_density_2.setChecked(self.current_density_2_enabled)
self.parameter_widget.ckb_current_density_3.setChecked(self.current_density_3_enabled)
self.parameter_widget.qsb_normal_current_density_re.setProperty(
"value", self.normal_current_density_re
)
FreeCADGui.ExpressionBinding(self.parameter_widget.qsb_normal_current_density_re).bind(
self.obj, "NormalCurrentDensity_re"
)
self.parameter_widget.qsb_normal_current_density_im.setProperty(
"value", self.normal_current_density_im
)
FreeCADGui.ExpressionBinding(self.parameter_widget.qsb_normal_current_density_im).bind(
self.obj, "NormalCurrentDensity_im"
)
self.mode_enum = self.obj.getEnumerationsOfProperty("Mode")
index = self.mode_enum.index(self.mode)
self.parameter_widget.cb_mode.addItems(self.mode_enum)
self.parameter_widget.cb_mode.setCurrentIndex(index)
def current_density_1_enabled_changed(self, value):
self.current_density_1_enabled = value
self.parameter_widget.qsb_current_density_re_1.setEnabled(value)
self.parameter_widget.qsb_current_density_im_1.setEnabled(value)
def current_density_2_enabled_changed(self, value):
self.current_density_2_enabled = value
self.parameter_widget.qsb_current_density_re_2.setEnabled(value)
self.parameter_widget.qsb_current_density_im_2.setEnabled(value)
def current_density_3_enabled_changed(self, value):
self.current_density_3_enabled = value
self.parameter_widget.qsb_current_density_re_3.setEnabled(value)
self.parameter_widget.qsb_current_density_im_3.setEnabled(value)
def current_density_re_1_changed(self, value):
self.current_density_re_1 = value
def current_density_re_2_changed(self, value):
self.current_density_re_2 = value
def current_density_re_3_changed(self, value):
self.current_density_re_3 = value
def current_density_im_1_changed(self, value):
self.current_density_im_1 = value
def current_density_im_2_changed(self, value):
self.current_density_im_2 = value
def current_density_im_3_changed(self, value):
self.current_density_im_3 = value
def normal_current_density_re_changed(self, value):
self.normal_current_density_re = value
def normal_current_density_im_changed(self, value):
self.normal_current_density_im = value
def mode_changed(self, index):
self.mode = self.mode_enum[index]
if self.mode == "Custom":
self.parameter_widget.gb_custom.setEnabled(True)
self.parameter_widget.gb_normal.setEnabled(False)
elif self.mode == "Normal":
self.parameter_widget.gb_custom.setEnabled(False)
self.parameter_widget.gb_normal.setEnabled(True)
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