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# * Copyright (c) 2017 Markus Hovorka <m.hovorka@live.de> *
# * Copyright (c) 2020 Bernd Hahnebach <bernd@bimstatik.org> *
# * *
# * 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 initial flow velocity task panel for the document object"
__author__ = "Markus Hovorka, Bernd Hahnebach"
__url__ = "https://www.freecad.org"
## @package task_constraint_initialflowvelocity
# \ingroup FEM
# \brief task panel for constraint initial flow velocity 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._paramWidget = FreeCADGui.PySideUic.loadUi(
FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/InitialFlowVelocity.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._paramWidget, 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
# connect unspecified option
QtCore.QObject.connect(
self._paramWidget.velocityXBox, QtCore.SIGNAL("toggled(bool)"), self._velocityXEnable
)
QtCore.QObject.connect(
self._paramWidget.velocityYBox, QtCore.SIGNAL("toggled(bool)"), self._velocityYEnable
)
QtCore.QObject.connect(
self._paramWidget.velocityZBox, QtCore.SIGNAL("toggled(bool)"), self._velocityZEnable
)
# connect formula option
QtCore.QObject.connect(
self._paramWidget.formulaXCB, QtCore.SIGNAL("toggled(bool)"), self._formulaXEnable
)
QtCore.QObject.connect(
self._paramWidget.formulaYCB, QtCore.SIGNAL("toggled(bool)"), self._formulaYEnable
)
QtCore.QObject.connect(
self._paramWidget.formulaZCB, QtCore.SIGNAL("toggled(bool)"), self._formulaZEnable
)
self._initParamWidget()
def _velocityXEnable(self, toggled):
if toggled:
self._paramWidget.formulaX.setDisabled(toggled)
self._paramWidget.velocityX.setDisabled(toggled)
else:
if self._paramWidget.formulaXCB.isChecked():
self._paramWidget.formulaX.setDisabled(toggled)
else:
self._paramWidget.velocityX.setDisabled(toggled)
def _velocityYEnable(self, toggled):
if toggled:
self._paramWidget.formulaY.setDisabled(toggled)
self._paramWidget.velocityY.setDisabled(toggled)
else:
if self._paramWidget.formulaYCB.isChecked():
self._paramWidget.formulaY.setDisabled(toggled)
else:
self._paramWidget.velocityY.setDisabled(toggled)
def _velocityZEnable(self, toggled):
if toggled:
self._paramWidget.formulaZ.setDisabled(toggled)
self._paramWidget.velocityZ.setDisabled(toggled)
else:
if self._paramWidget.formulaZCB.isChecked():
self._paramWidget.formulaZ.setDisabled(toggled)
else:
self._paramWidget.velocityZ.setDisabled(toggled)
def _formulaXEnable(self, toggled):
FreeCAD.Console.PrintMessage("_formulaXEnable\n")
if self._paramWidget.velocityXBox.isChecked():
FreeCAD.Console.PrintMessage("velocityXBox isChecked\n")
return
else:
FreeCAD.Console.PrintMessage("velocityXBox not checked\n")
self._paramWidget.formulaX.setEnabled(toggled)
self._paramWidget.velocityX.setDisabled(toggled)
def _formulaYEnable(self, toggled):
if self._paramWidget.velocityYBox.isChecked():
return
else:
self._paramWidget.formulaY.setEnabled(toggled)
self._paramWidget.velocityY.setDisabled(toggled)
def _formulaZEnable(self, toggled):
if self._paramWidget.velocitZXBox.isChecked():
return
else:
self._paramWidget.formulaZ.setEnabled(toggled)
self._paramWidget.velocityZ.setDisabled(toggled)
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._selectionWidget.finish_selection()
self._restoreVisibility()
return super().reject()
def accept(self):
if self.obj.References != self._selectionWidget.references:
self.obj.References = self._selectionWidget.references
self._applyWidgetChanges()
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 _initParamWidget(self):
unit = "m/s"
self._paramWidget.velocityX.setProperty("unit", unit)
self._paramWidget.velocityY.setProperty("unit", unit)
self._paramWidget.velocityZ.setProperty("unit", unit)
self._paramWidget.velocityX.setProperty("value", self.obj.VelocityX)
FreeCADGui.ExpressionBinding(self._paramWidget.velocityX).bind(self.obj, "VelocityX")
self._paramWidget.velocityXBox.setChecked(self.obj.VelocityXUnspecified)
self._paramWidget.formulaX.setText(self.obj.VelocityXFormula)
self._paramWidget.formulaXCB.setChecked(self.obj.VelocityXHasFormula)
self._paramWidget.velocityY.setProperty("value", self.obj.VelocityY)
FreeCADGui.ExpressionBinding(self._paramWidget.velocityY).bind(self.obj, "VelocityY")
self._paramWidget.velocityYBox.setChecked(self.obj.VelocityYUnspecified)
self._paramWidget.formulaY.setText(self.obj.VelocityYFormula)
self._paramWidget.formulaYCB.setChecked(self.obj.VelocityYHasFormula)
self._paramWidget.velocityZ.setProperty("value", self.obj.VelocityZ)
FreeCADGui.ExpressionBinding(self._paramWidget.velocityZ).bind(self.obj, "VelocityZ")
self._paramWidget.velocityZBox.setChecked(self.obj.VelocityZUnspecified)
self._paramWidget.formulaZ.setText(self.obj.VelocityZFormula)
self._paramWidget.formulaZCB.setChecked(self.obj.VelocityZHasFormula)
def _applyVelocityChanges(self, enabledBox, velocityQSB):
enabled = enabledBox.isChecked()
velocity = None
try:
velocity = velocityQSB.property("value")
except ValueError:
FreeCAD.Console.PrintMessage(
"Wrong input. Not recognised input: '{}' "
"Velocity has not been set.\n".format(velocityQSB.text())
)
velocity = "0.0 m/s"
return enabled, velocity
def _applyWidgetChanges(self):
# apply the velocities and their enabled state
self.obj.VelocityXUnspecified, self.obj.VelocityX = self._applyVelocityChanges(
self._paramWidget.velocityXBox, self._paramWidget.velocityX
)
self.obj.VelocityXHasFormula = self._paramWidget.formulaXCB.isChecked()
self.obj.VelocityXFormula = self._paramWidget.formulaX.text()
self.obj.VelocityYUnspecified, self.obj.VelocityY = self._applyVelocityChanges(
self._paramWidget.velocityYBox, self._paramWidget.velocityY
)
self.obj.VelocityYHasFormula = self._paramWidget.formulaYCB.isChecked()
self.obj.VelocityYFormula = self._paramWidget.formulaY.text()
self.obj.VelocityZUnspecified, self.obj.VelocityZ = self._applyVelocityChanges(
self._paramWidget.velocityZBox, self._paramWidget.velocityZ
)
self.obj.VelocityZHasFormula = self._paramWidget.formulaZCB.isChecked()
self.obj.VelocityZFormula = self._paramWidget.formulaZ.text()
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