File size: 7,743 Bytes
985c397
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
# SPDX-License-Identifier: LGPL-2.1-or-later

# ***************************************************************************
# *   Copyright (c) 2025 Mario Passaglia <mpassaglia[at]cbc.uba.ar>         *
# *                                                                         *
# *   This file is part of FreeCAD.                                         *
# *                                                                         *
# *   FreeCAD is free software: you can redistribute it and/or modify it    *
# *   under the terms of the GNU Lesser General Public License as           *
# *   published by the Free Software Foundation, either version 2.1 of the  *
# *   License, or (at your option) any later version.                       *
# *                                                                         *
# *   FreeCAD 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      *
# *   Lesser General Public License for more details.                       *
# *                                                                         *
# *   You should have received a copy of the GNU Lesser General Public      *
# *   License along with FreeCAD. If not, see                               *
# *   <https://www.gnu.org/licenses/>.                                      *
# *                                                                         *
# ***************************************************************************

__title__ = "FreeCAD FEM constraint electric charge density task panel"
__author__ = "Mario Passaglia"
__url__ = "https://www.freecad.org"

## @package task_constraint_electricchargedensity
#  \ingroup FEM
#  \brief task panel for constraint electric charge 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/ElectricChargeDensity.ui"
        )

        self.init_parameter_widget()

        QtCore.QObject.connect(
            self.parameter_widget.qsb_source_charge_density,
            QtCore.SIGNAL("valueChanged(Base::Quantity)"),
            self.source_charge_density_changed,
        )
        QtCore.QObject.connect(
            self.parameter_widget.qsb_interface_charge_density,
            QtCore.SIGNAL("valueChanged(Base::Quantity)"),
            self.interface_charge_density_changed,
        )
        QtCore.QObject.connect(
            self.parameter_widget.qsb_total_charge,
            QtCore.SIGNAL("valueChanged(Base::Quantity)"),
            self.total_charge_changed,
        )
        QtCore.QObject.connect(
            self.parameter_widget.cb_mode,
            QtCore.SIGNAL("currentIndexChanged(int)"),
            self.mode_changed,
        )
        QtCore.QObject.connect(
            self.parameter_widget.ckb_concentrated,
            QtCore.SIGNAL("toggled(bool)"),
            self.concentrated_changed,
        )

        # geometry selection widget
        # start with Solid in list!
        self.selection_widget = selection_widgets.GeometryElementsSelection(
            obj.References, ["Solid", "Face", "Edge", "Vertex"], False, False
        )

        # form made from param and selection widget
        self.form = [self.parameter_widget, self.selection_widget]

        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

    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.restore_visibility()
        self.selection_widget.finish_selection()
        return super().reject()

    def accept(self):
        self.obj.References = self.selection_widget.references
        self.obj.SourceChargeDensity = self.source_charge_density
        self.obj.InterfaceChargeDensity = self.interface_charge_density
        self.obj.TotalCharge = self.total_charge
        self.obj.Mode = self.mode
        self.obj.Concentrated = self.concentrated

        self.selection_widget.finish_selection()
        self.restore_visibility()
        return super().accept()

    def restore_visibility(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 init_parameter_widget(self):
        self.source_charge_density = self.obj.SourceChargeDensity
        self.interface_charge_density = self.obj.InterfaceChargeDensity
        self.total_charge = self.obj.TotalCharge
        self.concentrated = self.obj.Concentrated

        FreeCADGui.ExpressionBinding(self.parameter_widget.qsb_source_charge_density).bind(
            self.obj, "SourceChargeDensity"
        )
        self.parameter_widget.qsb_source_charge_density.setProperty(
            "value", self.source_charge_density
        )

        FreeCADGui.ExpressionBinding(self.parameter_widget.qsb_interface_charge_density).bind(
            self.obj, "InterfaceChargeDensity"
        )
        self.parameter_widget.qsb_interface_charge_density.setProperty(
            "value", self.interface_charge_density
        )

        FreeCADGui.ExpressionBinding(self.parameter_widget.qsb_total_charge).bind(
            self.obj, "TotalCharge"
        )
        self.parameter_widget.qsb_total_charge.setProperty("value", self.total_charge)

        self.mode = self.obj.Mode
        self.mode_enum = self.obj.getEnumerationsOfProperty("Mode")
        self.parameter_widget.cb_mode.addItems(self.mode_enum)
        index = self.mode_enum.index(self.mode)
        self.parameter_widget.cb_mode.setCurrentIndex(index)
        self.mode_changed(index)

        self.parameter_widget.ckb_concentrated.setChecked(self.concentrated)
        if self.mode == "Total Source":
            self.parameter_widget.ckb_concentrated.setVisible(True)

    def source_charge_density_changed(self, base_quantity_value):
        self.source_charge_density = base_quantity_value

    def interface_charge_density_changed(self, base_quantity_value):
        self.interface_charge_density = base_quantity_value

    def total_charge_changed(self, base_quantity_value):
        self.total_charge = base_quantity_value

    def mode_changed(self, index):
        self.mode = self.mode_enum[index]
        match self.mode:
            case "Total Interface":
                index = 2
                self.parameter_widget.ckb_concentrated.setVisible(False)
            case "Total Source":
                index = 2
                self.parameter_widget.ckb_concentrated.setVisible(True)

        self.parameter_widget.sw_mode.setCurrentIndex(index)

    def concentrated_changed(self, value):
        self.concentrated = value