308 lines
15 KiB
Python
308 lines
15 KiB
Python
# ***************************************************************************
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# * *
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# * Copyright (c) 2013 - Juergen Riegel <FreeCAD@juergen-riegel.net> *
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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__ = "_TaskPanelMechanicalMaterial"
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__author__ = "Juergen Riegel, Bernd Hahnebach"
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__url__ = "http://www.freecadweb.org"
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import FreeCAD
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import FreeCADGui
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from PySide import QtGui
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from PySide import QtCore
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class _TaskPanelMechanicalMaterial:
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'''The editmode TaskPanel for MechanicalMaterial objects'''
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def __init__(self, obj):
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FreeCADGui.Selection.clearSelection()
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self.sel_server = None
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self.obj = obj
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self.material = self.obj.Material
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self.references = []
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if self.obj.References:
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self.tuplereferences = self.obj.References
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self.get_references()
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self.references_shape_type = None
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self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Fem/TaskPanelMechanicalMaterial.ui")
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QtCore.QObject.connect(self.form.pushButton_MatWeb, QtCore.SIGNAL("clicked()"), self.goMatWeb)
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QtCore.QObject.connect(self.form.cb_materials, QtCore.SIGNAL("activated(int)"), self.choose_material)
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QtCore.QObject.connect(self.form.input_fd_young_modulus, QtCore.SIGNAL("valueChanged(double)"), self.ym_changed)
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QtCore.QObject.connect(self.form.spinBox_poisson_ratio, QtCore.SIGNAL("valueChanged(double)"), self.pr_changed)
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QtCore.QObject.connect(self.form.input_fd_density, QtCore.SIGNAL("valueChanged(double)"), self.density_changed)
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QtCore.QObject.connect(self.form.pushButton_Reference, QtCore.SIGNAL("clicked()"), self.add_references)
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self.form.list_References.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
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self.form.list_References.connect(self.form.list_References, QtCore.SIGNAL("customContextMenuRequested(QPoint)"), self.references_list_right_clicked)
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self.import_materials()
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previous_mat_path = self.get_material_path(self.material)
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if not previous_mat_path:
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material_name = self.get_material_name(self.material)
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if material_name != 'None':
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FreeCAD.Console.PrintMessage("Previously used material cannot be found in material directories. Using transient material.\n")
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self.add_transient_material(self.material)
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index = self.form.cb_materials.findData(material_name)
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else:
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if not self.material:
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index = self.form.cb_materials.findText(material_name)
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else:
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FreeCAD.Console.PrintMessage("None material was previously used. Reload values.\n")
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self.add_transient_material(self.material)
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index = self.form.cb_materials.findData(material_name)
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self.choose_material(index)
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else:
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index = self.form.cb_materials.findData(previous_mat_path)
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self.choose_material(index)
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self.has_equal_references_shape_types()
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self.rebuild_list_References()
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def accept(self):
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self.remove_active_sel_server()
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if self.has_equal_references_shape_types():
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self.obj.Material = self.material
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self.obj.References = self.references
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doc = FreeCADGui.getDocument(self.obj.Document)
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doc.resetEdit()
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doc.Document.recompute()
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def reject(self):
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self.remove_active_sel_server()
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doc = FreeCADGui.getDocument(self.obj.Document)
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doc.resetEdit()
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def remove_active_sel_server(self):
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if self.sel_server:
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FreeCADGui.Selection.removeObserver(self.sel_server)
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def get_references(self):
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for ref in self.tuplereferences:
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for elem in ref[1]:
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self.references.append((ref[0], elem))
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def has_equal_references_shape_types(self):
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if not self.references:
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self.references_shape_type = None
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for ref in self.references:
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if ref[1]:
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r = ref[0].Shape.getElement(ref[1])
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else:
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r = ref[0].Shape
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# print(' ReferenceShape : ', r.ShapeType, ', ', ref[0].Name, ', ', ref[0].Label, ' --> ', ref[1])
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if self.references_shape_type is None:
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self.references_shape_type = r.ShapeType
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if r.ShapeType != self.references_shape_type:
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FreeCAD.Console.PrintError('Different ShapeTypes in Reference List not allowed\n')
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return False
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return True
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def goMatWeb(self):
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import webbrowser
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webbrowser.open("http://matweb.com")
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def ym_changed(self, value):
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import Units
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# FreeCADs standard unit for stress is kPa
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old_ym = Units.Quantity(self.material['YoungsModulus'])
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variation = 0.001
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if value:
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if not (1 - variation < float(old_ym) / value < 1 + variation):
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# YoungsModulus has changed
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material = self.material
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material['YoungsModulus'] = unicode(value) + " kPa"
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self.material = material
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def density_changed(self, value):
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import Units
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# FreeCADs standard unit for density is kg/mm^3
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old_density = Units.Quantity(self.material['Density'])
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variation = 0.001
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if value:
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if not (1 - variation < float(old_density) / value < 1 + variation):
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# density has changed
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material = self.material
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value_in_kg_per_m3 = value * 1e9
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material['Density'] = unicode(value_in_kg_per_m3) + " kg/m^3"
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# material['Density'] = unicode(value) + " kg/mm^3"
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self.material = material
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def pr_changed(self, value):
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import Units
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old_pr = Units.Quantity(self.material['PoissonRatio'])
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variation = 0.001
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if value:
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if not (1 - variation < float(old_pr) / value < 1 + variation):
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# PoissonRatio has changed
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material = self.material
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material['PoissonRatio'] = unicode(value)
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self.material = material
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def choose_material(self, index):
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if index < 0:
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return
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mat_file_path = self.form.cb_materials.itemData(index)
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self.material = self.materials[mat_file_path]
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self.form.cb_materials.setCurrentIndex(index)
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self.set_mat_params_in_combo_box(self.material)
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gen_mat_desc = ""
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if 'Description' in self.material:
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gen_mat_desc = self.material['Description']
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self.form.l_mat_description.setText(gen_mat_desc)
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def get_material_name(self, material):
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if 'Name' in self.material:
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return self.material['Name']
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else:
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return 'None'
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def get_material_path(self, material):
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for a_mat in self.materials:
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unmatched_items = set(self.materials[a_mat].items()) ^ set(material.items())
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if len(unmatched_items) == 0:
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return a_mat
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return ""
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def set_mat_params_in_combo_box(self, matmap):
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if 'YoungsModulus' in matmap:
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ym_new_unit = "MPa"
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ym = FreeCAD.Units.Quantity(matmap['YoungsModulus'])
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ym_with_new_unit = ym.getValueAs(ym_new_unit)
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self.form.input_fd_young_modulus.setText("{} {}".format(ym_with_new_unit, ym_new_unit))
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if 'PoissonRatio' in matmap:
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self.form.spinBox_poisson_ratio.setValue(float(matmap['PoissonRatio']))
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if 'Density' in matmap:
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density_new_unit = "kg/m^3"
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density = FreeCAD.Units.Quantity(matmap['Density'])
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density_with_new_unit = density.getValueAs(density_new_unit)
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self.form.input_fd_density.setText("{} {}".format(density_with_new_unit, density_new_unit))
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def add_transient_material(self, material):
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material_name = self.get_material_name(material)
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self.form.cb_materials.addItem(QtGui.QIcon(":/icons/help-browser.svg"), material_name, material_name)
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self.materials[material_name] = material
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def add_mat_dir(self, mat_dir, icon):
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import glob
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import os
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import Material
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mat_file_extension = ".FCMat"
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ext_len = len(mat_file_extension)
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dir_path_list = glob.glob(mat_dir + '/*' + mat_file_extension)
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self.pathList = self.pathList + dir_path_list
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material_name_list = []
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for a_path in dir_path_list:
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material_name = os.path.basename(a_path[:-ext_len])
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self.materials[a_path] = Material.importFCMat(a_path)
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material_name_list.append([material_name, a_path])
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material_name_list.sort()
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for mat in material_name_list:
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self.form.cb_materials.addItem(QtGui.QIcon(icon), mat[0], mat[1])
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def import_materials(self):
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self.materials = {}
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self.pathList = []
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self.form.cb_materials.clear()
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self.fem_preferences = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fem")
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use_built_in_materials = self.fem_preferences.GetBool("UseBuiltInMaterials", True)
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if use_built_in_materials:
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system_mat_dir = FreeCAD.getResourceDir() + "/Mod/Material/StandardMaterial"
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self.add_mat_dir(system_mat_dir, ":/icons/freecad.svg")
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use_mat_from_config_dir = self.fem_preferences.GetBool("UseMaterialsFromConfigDir", True)
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if use_mat_from_config_dir:
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user_mat_dirname = FreeCAD.getUserAppDataDir() + "Materials"
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self.add_mat_dir(user_mat_dirname, ":/icons/preferences-general.svg")
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use_mat_from_custom_dir = self.fem_preferences.GetBool("UseMaterialsFromCustomDir", True)
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if use_mat_from_custom_dir:
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custom_mat_dir = self.fem_preferences.GetString("CustomMaterialsDir", "")
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self.add_mat_dir(custom_mat_dir, ":/icons/user.svg")
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def references_list_right_clicked(self, QPos):
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self.form.contextMenu = QtGui.QMenu()
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menu_item = self.form.contextMenu.addAction("Remove Reference")
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if not self.references:
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menu_item.setDisabled(True)
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self.form.connect(menu_item, QtCore.SIGNAL("triggered()"), self.remove_reference)
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parentPosition = self.form.list_References.mapToGlobal(QtCore.QPoint(0, 0))
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self.form.contextMenu.move(parentPosition + QPos)
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self.form.contextMenu.show()
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def remove_reference(self):
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if not self.references:
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return
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currentItemName = str(self.form.list_References.currentItem().text())
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for ref in self.references:
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if ref[1]:
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refname_to_compare_listentry = ref[0].Name + ':' + ref[1]
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else:
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refname_to_compare_listentry = ref[0].Name
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if refname_to_compare_listentry == currentItemName:
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self.references.remove(ref)
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self.rebuild_list_References()
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def add_references(self):
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'''Called if Button add_reference is triggered'''
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# in constraints EditTaskPanel the selection is active as soon as the taskpanel is open
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# here the addReference button EditTaskPanel has to be triggered to start selection mode
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FreeCADGui.Selection.clearSelection()
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# start SelectionObserver and parse the function to add the References to the widget
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# TODO add a ToolTip with print_message if the mouse pointer is over addReference button
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print_message = "Select Edges and Faces by single click on them or Solids by single click on a Vertex to add them to the list"
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import FemSelectionObserver
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self.sel_server = FemSelectionObserver.FemSelectionObserver(self.selectionParser, print_message)
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def selectionParser(self, selection):
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# print('selection: ', selection[0].Shape.ShapeType, ' --> ', selection[0].Name, ' --> ', selection[1])
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if hasattr(selection[0], "Shape"):
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if selection[1]:
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elt = selection[0].Shape.getElement(selection[1])
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if elt.ShapeType == "Vertex":
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if selection[0].Shape.ShapeType == "Solid":
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elt = selection[0].Shape
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selection = (selection[0], '')
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else:
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FreeCAD.Console.PrintMessage("Selected Vertex does not belong to a Solid: " + selection[0].Name + " is a " + selection[0].Shape.ShapeType + " \n")
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if elt.ShapeType == 'Edge' or elt.ShapeType == 'Face' or elt.ShapeType == 'Solid':
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if not self.references:
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self.references_shape_type = elt.ShapeType
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if elt.ShapeType == self.references_shape_type:
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if selection not in self.references:
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self.references.append(selection)
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self.rebuild_list_References()
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else:
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FreeCAD.Console.PrintMessage(selection[0].Name + ' --> ' + selection[1] + ' is in reference list already!\n')
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else:
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FreeCAD.Console.PrintMessage(elt.ShapeType + ' selected, but reference list has ' + self.references_shape_type + 's already!\n')
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def rebuild_list_References(self):
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self.form.list_References.clear()
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items = []
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for ref in self.references:
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if ref[1]:
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item_name = ref[0].Name + ':' + ref[1]
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else:
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item_name = ref[0].Name
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items.append(item_name)
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for listItemName in sorted(items):
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self.form.list_References.addItem(listItemName)
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