563 lines
24 KiB
Python
563 lines
24 KiB
Python
# ***************************************************************************
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# * *
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# * Copyright (c) 2017 Markus Hovorka <m.hovorka@live.de> *
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# * Copyright (c) 2018 Bernd Hahnebach <bernd@bimstatik.org> *
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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 select widget"
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__author__ = "Markus Hovorka, Bernd Hahnebach"
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__url__ = "http://www.freecadweb.org"
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## @package FemSelectWidget
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# \ingroup FEM
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# \brief FreeCAD FEM FemSelectWidget
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import FreeCAD
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import FreeCADGui
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import femmesh.meshtools as FemMeshTools
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from PySide import QtGui
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from PySide import QtCore
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import FreeCADGui as Gui
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class _Selector(QtGui.QWidget):
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def __init__(self):
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super(_Selector, self).__init__()
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self._references = []
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self._register = dict()
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addBtn = QtGui.QPushButton(self.tr("Add"))
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delBtn = QtGui.QPushButton(self.tr("Remove"))
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addBtn.clicked.connect(self._add)
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delBtn.clicked.connect(self._del)
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btnLayout = QtGui.QHBoxLayout()
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btnLayout.addWidget(addBtn)
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btnLayout.addWidget(delBtn)
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self._model = QtGui.QStandardItemModel()
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self._view = SmallListView()
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self._view.setModel(self._model)
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self._helpTextLbl = QtGui.QLabel()
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self._helpTextLbl.setWordWrap(True)
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mainLayout = QtGui.QVBoxLayout()
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mainLayout.addWidget(self._helpTextLbl)
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mainLayout.addLayout(btnLayout)
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mainLayout.addWidget(self._view)
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self.setLayout(mainLayout)
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def references(self):
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return [entry for entry in self._references if entry[1]]
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def setReferences(self, references):
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self._references = []
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self._updateReferences(references)
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def setHelpText(self, text):
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self._helpTextLbl.setText(text)
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@QtCore.Slot()
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def _add(self):
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selection = self.getSelection()
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self._updateReferences(selection)
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@QtCore.Slot()
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def _del(self):
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selected = self._view.selectedIndexes()
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for index in selected:
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identifier = self._model.data(index)
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obj, sub = self._register[identifier]
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refIndex = self._getIndex(obj)
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entry = self._references[refIndex]
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newSub = tuple((x for x in entry[1] if x != sub))
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self._references[refIndex] = (obj, newSub)
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self._model.removeRow(index.row())
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def _updateReferences(self, selection):
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for obj, subList in selection:
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index = self._getIndex(obj)
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for sub in subList:
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entry = self._references[index]
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if sub not in entry[1]:
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self._addToWidget(obj, sub)
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newEntry = (obj, entry[1] + (sub,))
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self._references[index] = newEntry
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def _addToWidget(self, obj, sub):
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identifier = "%s::%s" % (obj.Name, sub)
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item = QtGui.QStandardItem(identifier)
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self._model.appendRow(item)
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self._register[identifier] = (obj, sub)
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def _getIndex(self, obj):
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for i, entry in enumerate(self._references):
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if entry[0] == obj:
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return i
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self._references.append((obj, tuple()))
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return len(self._references) - 1
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def getSelection(self):
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raise NotImplementedError()
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class BoundarySelector(_Selector):
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def __init__(self):
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super(BoundarySelector, self).__init__()
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self.setWindowTitle(self.tr("Select Faces/Edges/Vertexes"))
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self.setHelpText(self.tr(
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"To add references select them in the 3D view and then"
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" click \"Add\"."))
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def getSelection(self):
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selection = []
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for selObj in Gui.Selection.getSelectionEx():
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if selObj.HasSubObjects:
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item = (selObj.Object, tuple(selObj.SubElementNames))
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selection.append(item)
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return selection
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class SolidSelector(_Selector):
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def __init__(self):
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super(SolidSelector, self).__init__()
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self.setWindowTitle(self.tr("Select Solids"))
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self.setHelpText(self.tr(
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"Select elements part of the solid that shall be added"
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" to the list. To than add the solid click \"Add\"."))
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def getSelection(self):
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selection = []
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for selObj in Gui.Selection.getSelectionEx():
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solids = set()
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for sub in self._getObjects(selObj.Object, selObj.SubElementNames):
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s = self._getSolidOfSub(selObj.Object, sub)
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if s is not None:
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solids.add(s)
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if solids:
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item = (selObj.Object, tuple(solids))
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selection.append(item)
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return selection
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def _getObjects(self, obj, names):
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objects = []
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shape = obj.Shape
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for n in names:
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if n.startswith("Face"):
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objects.append(shape.Faces[int(n[4:]) - 1])
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elif n.startswith("Edge"):
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objects.append(shape.Edges[int(n[4:]) - 1])
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elif n.startswith("Vertex"):
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objects.append(shape.Vertexes[int(n[6:]) - 1])
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elif n.startswith("Solid"):
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objects.append(shape.Solids[int(n[5:]) - 1])
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return objects
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def _getSolidOfSub(self, obj, sub):
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foundSolids = set()
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if sub.ShapeType == "Solid":
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for solidId, solid in enumerate(obj.Shape.Solids):
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if sub.isSame(solid):
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foundSolids.add("Solid" + str(solidId + 1))
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elif sub.ShapeType == "Face":
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for solidId, solid in enumerate(obj.Shape.Solids):
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if(self._findSub(sub, solid.Faces)):
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foundSolids.add("Solid" + str(solidId + 1))
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elif sub.ShapeType == "Edge":
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for solidId, solid in enumerate(obj.Shape.Solids):
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if(self._findSub(sub, solid.Edges)):
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foundSolids.add("Solid" + str(solidId + 1))
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elif sub.ShapeType == "Vertex":
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for solidId, solid in enumerate(obj.Shape.Solids):
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if(self._findSub(sub, solid.Vertexes)):
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foundSolids.add("Solid" + str(solidId + 1))
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if len(foundSolids) == 1:
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return iter(foundSolids).next()
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return None
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def _findSub(self, sub, subList):
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for i, s in enumerate(subList):
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if s.isSame(sub):
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return True
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return False
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class SmallListView(QtGui.QListView):
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def sizeHint(self):
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return QtCore.QSize(50, 50)
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class GeometryElementsSelection(QtGui.QWidget):
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def __init__(self, ref, eltypes=[], multigeom=True):
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super(GeometryElementsSelection, self).__init__()
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# init ui stuff
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FreeCADGui.Selection.clearSelection()
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self.selection_mode_solid = False
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self.sel_server = None
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self.obj_notvisible = []
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self.initElemTypes(eltypes)
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self.allow_multiple_geom_types = multigeom
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# print(self.allow_multiple_geom_types)
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self.initUI()
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# set references and fill the list widget
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self.references = []
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if ref:
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self.tuplereferences = ref
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self.get_references()
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self.rebuild_list_References()
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def initElemTypes(self, eltypes):
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self.sel_elem_types = eltypes
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# FreeCAD.Console.PrintMessage(
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# 'Selection of: {} is allowed.\n'.format(self.sel_elem_types)
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# )
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self.sel_elem_text = ''
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for e in self.sel_elem_types:
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self.sel_elem_text += (e + ', ')
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self.sel_elem_text = self.sel_elem_text.rstrip(', ')
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# FreeCAD.Console.PrintMessage('Selection of: ' + self.sel_elem_text + ' is allowed.\n')
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self.selection_mode_std_print_message = (
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"Single click on a " + self.sel_elem_text + " will add it to the list"
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)
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self.selection_mode_solid_print_message = (
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"Single click on a Face or Edge which belongs "
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"to one Solid will add the Solid to the list"
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)
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def initUI(self):
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# auch ArchPanel ist coded ohne ui-file
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# title
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self.setWindowTitle(self.tr("Geometry reference selector for a ") + self.sel_elem_text)
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# button
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self.pushButton_Add = QtGui.QPushButton(self.tr("Add"))
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# label
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self._helpTextLbl = QtGui.QLabel()
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self._helpTextLbl.setWordWrap(True)
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self._helpTextLbl.setText(self.tr(
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"Click on \"Add\" and select geometric elements to add them to the list."
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" If no geometry is added to the list, all remaining ones are used."
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" The following geometry elements are allowed to select: ") + self.sel_elem_text)
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# list
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self.list_References = QtGui.QListWidget()
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# radiobutton down the list
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self.lb_selmod = QtGui.QLabel()
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self.lb_selmod.setText(self.tr("Selection mode"))
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self.rb_standard = QtGui.QRadioButton(self.tr(self.sel_elem_text.lstrip('Solid, ')))
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self.rb_solid = QtGui.QRadioButton(self.tr("Solid"))
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self.rb_standard.setChecked(True)
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self.rb_solid.setChecked(False)
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# radio butoon layout
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rbtnLayout = QtGui.QHBoxLayout()
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rbtnLayout.addWidget(self.lb_selmod)
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rbtnLayout.addWidget(self.rb_standard)
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rbtnLayout.addWidget(self.rb_solid)
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# main layout
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mainLayout = QtGui.QVBoxLayout()
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mainLayout.addWidget(self._helpTextLbl)
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mainLayout.addWidget(self.pushButton_Add)
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mainLayout.addWidget(self.list_References)
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if 'Solid' in self.sel_elem_types:
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mainLayout.addLayout(rbtnLayout)
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self.setLayout(mainLayout)
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# signals and slots
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self.list_References.itemSelectionChanged.connect(self.select_clicked_reference_shape)
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self.list_References.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
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self.list_References.connect(
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self.list_References,
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QtCore.SIGNAL("customContextMenuRequested(QPoint)"),
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self.references_list_right_clicked
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)
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QtCore.QObject.connect(
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self.pushButton_Add,
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QtCore.SIGNAL("clicked()"),
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self.add_references
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)
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QtCore.QObject.connect(
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self.rb_standard,
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QtCore.SIGNAL("toggled(bool)"),
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self.choose_selection_mode_standard
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)
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QtCore.QObject.connect(
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self.rb_solid,
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QtCore.SIGNAL("toggled(bool)"),
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self.choose_selection_mode_solid
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)
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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 get_item_text(self, ref):
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return (ref[0].Name + ':' + ref[1])
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def get_allitems_text(self):
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items = []
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for ref in self.references:
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items.append(self.get_item_text(ref))
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return sorted(items)
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def rebuild_list_References(self, current_row=0):
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self.list_References.clear()
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for listItemName in self.get_allitems_text():
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self.list_References.addItem(listItemName)
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if current_row > self.list_References.count() - 1: # first row is 0
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current_row = self.list_References.count() - 1
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if self.list_References.count() > 0:
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self.list_References.setCurrentItem(self.list_References.item(current_row))
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def select_clicked_reference_shape(self):
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self.setback_listobj_visibility()
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if self.sel_server:
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FreeCADGui.Selection.removeObserver(self.sel_server)
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self.sel_server = None
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if not self.sel_server:
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if not self.references:
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return
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currentItemName = str(self.list_References.currentItem().text())
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for ref in self.references:
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if self.get_item_text(ref) == currentItemName:
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# print('found: shape: ' + ref[0].Name + ' element: ' + ref[1])
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if not ref[0].ViewObject.Visibility:
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self.obj_notvisible.append(ref[0])
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ref[0].ViewObject.Visibility = True
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FreeCADGui.Selection.clearSelection()
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ref_sh_type = ref[0].Shape.ShapeType
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if ref[1].startswith('Solid') \
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and (ref_sh_type == 'Compound' or ref_sh_type == 'CompSolid'):
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# selection of Solids of Compounds or CompSolids is not possible
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# because a Solid is no Subelement
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# since only Subelements can be selected
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# we're going to select all Faces of said Solids
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# the method getElement(element)doesn't return Solid elements
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solid = FemMeshTools.get_element(ref[0], ref[1])
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if not solid:
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return
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faces = []
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for fs in solid.Faces:
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# find these faces in ref[0]
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for i, fref in enumerate(ref[0].Shape.Faces):
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if fs.isSame(fref):
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fref_elstring = 'Face' + str(i + 1)
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if fref_elstring not in faces:
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faces.append(fref_elstring)
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for f in faces:
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FreeCADGui.Selection.addSelection(ref[0], f)
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else:
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# Selection of all other element types is supported
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FreeCADGui.Selection.addSelection(ref[0], ref[1])
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def setback_listobj_visibility(self):
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'''set back Visibility of the list objects
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'''
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FreeCADGui.Selection.clearSelection()
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for obj in self.obj_notvisible:
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obj.ViewObject.Visibility = False
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self.obj_notvisible = []
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def references_list_right_clicked(self, QPos):
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self.contextMenu = QtGui.QMenu()
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menu_item_remove_selected = self.contextMenu.addAction("Remove selected geometry")
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menu_item_remove_all = self.contextMenu.addAction("Clear list")
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if not self.references:
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menu_item_remove_selected.setDisabled(True)
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menu_item_remove_all.setDisabled(True)
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self.connect(
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menu_item_remove_selected,
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QtCore.SIGNAL("triggered()"),
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self.remove_selected_reference
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)
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self.connect(
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menu_item_remove_all,
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QtCore.SIGNAL("triggered()"),
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self.remove_all_references
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)
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parentPosition = self.list_References.mapToGlobal(QtCore.QPoint(0, 0))
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self.contextMenu.move(parentPosition + QPos)
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self.contextMenu.show()
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def remove_selected_reference(self):
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if not self.references:
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return
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currentItemName = str(self.list_References.currentItem().text())
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currentRow = self.list_References.currentRow()
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for ref in self.references:
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if self.get_item_text(ref) == currentItemName:
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self.references.remove(ref)
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self.rebuild_list_References(currentRow)
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def remove_all_references(self):
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self.references = []
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self.rebuild_list_References()
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def choose_selection_mode_standard(self, state):
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self.selection_mode_solid = not state
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if self.sel_server and not self.selection_mode_solid:
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FreeCAD.Console.PrintMessage(self.selection_mode_std_print_message + '\n')
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def choose_selection_mode_solid(self, state):
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self.selection_mode_solid = state
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if self.sel_server and self.selection_mode_solid:
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FreeCAD.Console.PrintMessage(self.selection_mode_solid_print_message + '\n')
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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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self.setback_listobj_visibility()
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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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if self.selection_mode_solid: # print message on button click
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print_message = self.selection_mode_solid_print_message
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else:
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print_message = self.selection_mode_std_print_message
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if not self.sel_server:
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# if we do not check, we would start a new SelectionObserver
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# on every click on addReference button
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# but close only one SelectionObserver on leaving the task panel
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self.sel_server = FemSelectionObserver(self.selectionParser, print_message)
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def selectionParser(self, selection):
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print('selection: {} {} {}'.format(
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selection[0].Shape.ShapeType,
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selection[0].Name,
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selection[1]
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))
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if hasattr(selection[0], "Shape") and selection[1]:
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elt = selection[0].Shape.getElement(selection[1])
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ele_ShapeType = elt.ShapeType
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if self.selection_mode_solid and 'Solid' in self.sel_elem_types:
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# in solid selection mode use edges and faces for selection of a solid
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# adapt selection variable to hold the Solid
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solid_to_add = None
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if ele_ShapeType == 'Edge':
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found_edge = False
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for i, s in enumerate(selection[0].Shape.Solids):
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for e in s.Edges:
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if elt.isSame(e):
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if not found_edge:
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solid_to_add = str(i + 1)
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else:
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FreeCAD.Console.PrintMessage(
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'Edge belongs to more than one solid\n'
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)
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solid_to_add = None
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found_edge = True
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elif ele_ShapeType == 'Face':
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found_face = False
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for i, s in enumerate(selection[0].Shape.Solids):
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for e in s.Faces:
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if elt.isSame(e):
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if not found_face:
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solid_to_add = str(i + 1)
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else:
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FreeCAD.Console.PrintMessage(
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'Face belongs to more than one solid\n'
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)
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solid_to_add = None
|
|
found_face = True
|
|
if solid_to_add:
|
|
selection = (selection[0], 'Solid' + solid_to_add)
|
|
ele_ShapeType = 'Solid'
|
|
FreeCAD.Console.PrintMessage(
|
|
'selection variable adapted to hold the Solid: {} {} {}\n'
|
|
.format(selection[0].Shape.ShapeType, selection[0].Name, selection[1])
|
|
)
|
|
else:
|
|
return
|
|
if ele_ShapeType in self.sel_elem_types:
|
|
if (self.selection_mode_solid and ele_ShapeType == 'Solid') \
|
|
or self.selection_mode_solid is False:
|
|
if selection not in self.references:
|
|
# only equal shape types are allowed to add
|
|
if self.allow_multiple_geom_types is False:
|
|
if self.has_equal_references_shape_types(ele_ShapeType):
|
|
self.references.append(selection)
|
|
self.rebuild_list_References(
|
|
self.get_allitems_text().index(self.get_item_text(selection))
|
|
)
|
|
else:
|
|
# selected shape will not added to the list
|
|
FreeCADGui.Selection.clearSelection()
|
|
else: # multiple shape types are allowed to add
|
|
self.references.append(selection)
|
|
self.rebuild_list_References(
|
|
self.get_allitems_text().index(self.get_item_text(selection))
|
|
)
|
|
else:
|
|
# selected shape will not added to the list
|
|
FreeCADGui.Selection.clearSelection()
|
|
message = (
|
|
'{} is in reference list already!\n'
|
|
.format(self.get_item_text(selection))
|
|
)
|
|
FreeCAD.Console.PrintMessage(message)
|
|
QtGui.QMessageBox.critical(None, "Geometry already in list", message)
|
|
else:
|
|
# selected shape will not added to the list
|
|
FreeCADGui.Selection.clearSelection()
|
|
message = ele_ShapeType + ' is not allowed to add to the list!\n'
|
|
FreeCAD.Console.PrintMessage(message)
|
|
QtGui.QMessageBox.critical(None, "Wrong shape type", message)
|
|
|
|
def has_equal_references_shape_types(self, ref_shty=''):
|
|
for ref in self.references:
|
|
# the method getElement(element) does not return Solid elements
|
|
r = FemMeshTools.get_element(ref[0], ref[1])
|
|
if not r:
|
|
FreeCAD.Console.PrintError(
|
|
'Problem in retrieving element: {} \n'.format(ref[1])
|
|
)
|
|
continue
|
|
FreeCAD.Console.PrintLog(
|
|
' ReferenceShape : {}, {}, {} --> {}'
|
|
.format(r.ShapeType, ref[0].Name, ref[0].Label, ref[1])
|
|
)
|
|
if not ref_shty:
|
|
ref_shty = r.ShapeType
|
|
if r.ShapeType != ref_shty:
|
|
message = 'Multiple shape types are not allowed in the reference list.\n'
|
|
FreeCAD.Console.PrintMessage(message)
|
|
QtGui.QMessageBox.critical(None, "Multiple ShapeTypes not allowed", message)
|
|
return False
|
|
return True
|
|
|
|
|
|
class FemSelectionObserver:
|
|
'''selection observer especially for the needs of geometry reference selection of FEM'''
|
|
def __init__(self, parseSelectionFunction, print_message=''):
|
|
self.parseSelectionFunction = parseSelectionFunction
|
|
FreeCADGui.Selection.addObserver(self)
|
|
FreeCAD.Console.PrintMessage(print_message + "!\n")
|
|
|
|
def addSelection(self, docName, objName, sub, pos):
|
|
selected_object = FreeCAD.getDocument(docName).getObject(objName) # get the obj objName
|
|
self.added_obj = (selected_object, sub)
|
|
# on double click on a vertex of a solid sub is None and obj is the solid
|
|
self.parseSelectionFunction(self.added_obj)
|