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CfdFaceSelectWidget.py
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# ***************************************************************************
# * *
# * Copyright (c) 2013-2015 - Juergen Riegel <[email protected]> *
# * Copyright (c) 2017 Oliver Oxtoby (CSIR) <[email protected]> *
# * Copyright (c) 2017 Johan Heyns (CSIR) <[email protected]> *
# * Copyright (c) 2017 Alfred Bogaers (CSIR) <[email protected]> *
# * Copyright (c) 2019 Oliver Oxtoby <[email protected]> *
# * *
# * 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 *
# * *
# ***************************************************************************
import FreeCAD
import os
import os.path
if FreeCAD.GuiUp:
import FreeCADGui
from PySide import QtCore
from PySide import QtCore
from PySide import QtGui
from PySide.QtCore import QTimer
class CfdFaceSelectWidget:
def __init__(self, parent_widget, obj, allow_face_sel, allow_solid_sel,
allow_point_sel=False, allow_edge_sel=False):
ui_path = os.path.join(os.path.dirname(__file__), "TaskPanelCfdListOfFaces.ui")
self.parent_widget = parent_widget
self.form = FreeCADGui.PySideUic.loadUi(ui_path, self.parent_widget)
self.parent_widget.layout().addWidget(self.form)
self.selecting_references = False
self.recompute_timer = QTimer()
self.recompute_timer.setSingleShot(True)
self.recompute_timer.timeout.connect(self.recomputeDocument)
self.obj = obj
self.References = self.obj.References
self.doc_name = self.obj.Document.Name
self.view_object = self.obj.ViewObject
self.allow_face_sel = allow_face_sel
self.allow_solid_sel = allow_solid_sel
self.allow_point_sel = allow_point_sel
self.allow_edge_sel = allow_edge_sel
self.selection_mode_solid = (not allow_face_sel) and allow_solid_sel
sel_list = []
sel_rb_list = []
if allow_face_sel:
sel_list.append("faces")
sel_rb_list.append("Face")
if allow_edge_sel:
sel_list.append("edges")
sel_rb_list.append("Edge")
if allow_point_sel:
sel_list.append("vertices")
sel_rb_list.append("Vertex")
sel_rb_text = ' / '.join(sel_rb_list)
sel_msg = ""
if len(sel_list) > 0:
sel_msg = sel_list[0]
if len(sel_list) > 1:
for i in range(len(sel_list)-2):
sel_msg += ", " + sel_list[i+1]
sel_msg += " and " + sel_list[-1]
self.form.rb_standard.setText(sel_rb_text)
self.selection_mode_std_print_message = "Select {} by single-clicking " \
"on them.".format(sel_msg)
self.selection_mode_solid_print_message = "Select solids by single-clicking on a face or edge which belongs " \
"to the solid."
exclusive_sel = (not allow_solid_sel) or not (allow_face_sel or allow_edge_sel or allow_point_sel)
self.form.labelSelection.setVisible(not exclusive_sel)
self.form.rb_standard.setVisible(not exclusive_sel)
self.form.rb_solid.setVisible(not exclusive_sel)
self.form.rb_standard.toggled.connect(self.choose_selection_mode_standard)
self.form.rb_solid.toggled.connect(self.choose_selection_mode_solid)
self.form.listReferences.currentRowChanged.connect(self.setReferenceListSelection)
self.form.buttonAddFace.clicked.connect(self.buttonAddFaceClicked)
self.form.buttonAddFace.setCheckable(True)
self.form.buttonRemoveFace.clicked.connect(self.buttonRemoveFaceClicked)
# Face list selection
self.form.faceList.clicked.connect(self.faceListSelection)
self.form.shapeComboBox.currentIndexChanged.connect(self.faceListShapeChosen)
self.form.faceListWidget.itemSelectionChanged.connect(self.faceHighlightChange)
self.form.faceListWidget.itemChanged.connect(self.faceListItemChanged)
self.form.selectAllButton.clicked.connect(self.selectAllButtonClicked)
self.form.selectNoneButton.clicked.connect(self.selectNoneButtonClicked)
self.form.doneButton.clicked.connect(self.closeFaceList)
self.form.shapeComboBox.setToolTip("Choose a solid object from the drop down list and select one or more of "
"the faces associated with the chosen solid.")
self.solidsNames = ['None']
self.solidsLabels = ['None']
for i in FreeCADGui.ActiveDocument.Document.Objects:
if "Shape" in i.PropertiesList:
# Do not restrict to solids
if not i.Name.startswith("CfdFluidBoundary"):
self.solidsNames.append(i.Name)
self.solidsLabels.append(i.Label)
self.rebuildReferenceList()
# First time, add any currently selected faces to list
if len(self.References) == 0:
self.addSelectionToRefList()
self.scheduleRecompute()
FreeCADGui.Selection.clearSelection()
self.updateSelectionbuttonUI()
def setReferenceListSelection(self, row):
if row > -1:
self.enableSelectingMode(False)
docName = str(self.doc_name)
doc = FreeCAD.getDocument(docName)
ref = self.References[row]
selection_object = doc.getObject(ref[0])
FreeCADGui.Selection.addSelection(selection_object, [str(ref[1])])
def addSelectionToRefList(self):
""" Add currently selected objects to reference list. """
for sel in FreeCADGui.Selection.getSelectionEx():
if sel.HasSubObjects:
for sub in sel.SubElementNames:
print("{} {}".format(sel.ObjectName, sub))
self.addSelection(sel.DocumentName, sel.ObjectName, sub)
self.scheduleRecompute()
def enableSelectingMode(self, selecting):
self.selecting_references = selecting
FreeCADGui.Selection.clearSelection()
# start SelectionObserver and parse the function to add the References to the widget
if self.selecting_references:
FreeCADGui.Selection.addObserver(self)
else:
FreeCADGui.Selection.removeObserver(self)
self.scheduleRecompute()
self.updateSelectionbuttonUI()
def buttonAddFaceClicked(self):
self.selecting_references = not self.selecting_references
if self.selecting_references:
# Add any currently selected objects
if len(FreeCADGui.Selection.getSelectionEx()) >= 1:
self.addSelectionToRefList()
self.selecting_references = False
self.enableSelectingMode(self.selecting_references)
def buttonRemoveFaceClicked(self):
if not self.References:
return
if not self.form.listReferences.currentItem():
return
current_item_name = str(self.form.listReferences.currentItem().text())
for ref in self.References:
idx = self.solidsNames.index(ref[0])
refname = self.solidsLabels[idx] + ':' + ref[1]
if refname == current_item_name:
self.References.remove(ref)
self.rebuildReferenceList()
self.scheduleRecompute()
def choose_selection_mode_standard(self, state):
self.selection_mode_solid = not state
self.updateSelectionbuttonUI()
def choose_selection_mode_solid(self, state):
self.selection_mode_solid = state
self.updateSelectionbuttonUI()
def updateSelectionbuttonUI(self):
self.form.buttonAddFace.setChecked(self.selecting_references)
if self.selecting_references:
if self.selection_mode_solid: # print message on button click
print_message = self.selection_mode_solid_print_message
else:
print_message = self.selection_mode_std_print_message
else:
print_message = ""
self.form.labelHelpText.setText(print_message)
def addSelection(self, doc_name, obj_name, sub, selected_point=None, as_is=False):
""" Add the selected sub-element (face) of the part to the Reference list. Prevent selection in other
document.
"""
if FreeCADGui.activeDocument().Document.Name != self.doc_name:
return
selected_object = FreeCAD.getDocument(doc_name).getObject(obj_name)
# On double click on a vertex of a solid sub is None and obj is the solid
print('Selection: ' +
selected_object.Shape.ShapeType + ' ' +
selected_object.Name + ':' +
sub + " @ " + str(selected_point))
if hasattr(selected_object, "Shape") and sub:
if sub.startswith('Solid'): # getElement doesn't work for solids
elt = selected_object.Shape.Solids[int(sub.lstrip('Solid')) - 1]
else:
elt = selected_object.Shape.getElement(sub)
selection = None
if as_is:
selection = (selected_object.Name, sub)
elif self.selection_mode_solid:
# in solid selection mode use edges and faces for selection of a solid
solid_to_add = None
if elt.ShapeType == 'Edge':
found_edge = False
for i, s in enumerate(selected_object.Shape.Solids):
for e in s.Edges:
if elt.isSame(e):
if not found_edge:
solid_to_add = 'Solid' + str(i + 1)
else:
FreeCAD.Console.PrintMessage('Edge belongs to more than one solid\n')
solid_to_add = None
found_edge = True
elif elt.ShapeType == 'Face':
found_face = False
for i, s in enumerate(selected_object.Shape.Solids):
for e in s.Faces:
if elt.isSame(e):
if not found_face:
solid_to_add = 'Solid' + str(i + 1)
else:
FreeCAD.Console.PrintMessage('Face belongs to more than one solid\n')
solid_to_add = None
found_face = True
elif elt.ShapeType == 'Solid':
solid_to_add = sub
if solid_to_add:
selection = (selected_object.Name, solid_to_add)
print('Selection element changed to Solid: ' +
selected_object.Shape.ShapeType + ' ' +
selection[0] + ' ' +
selection[1])
else:
# Allow Vertex, Edge, Face or just Face selection
if (elt.ShapeType == 'Face' and self.allow_face_sel) or \
(elt.ShapeType == 'Edge' and self.allow_edge_sel) or \
(elt.ShapeType == 'Vertex' and self.allow_point_sel):
selection = (selected_object.Name, sub)
if selection:
if selection not in self.References:
self.References.append(selection)
else:
FreeCAD.Console.PrintMessage(
selection[0] + ':' + selection[1] + ' already in reference list\n')
self.rebuildReferenceList()
self.scheduleRecompute()
self.updateSelectionbuttonUI()
def rebuildReferenceList(self):
self.form.listReferences.clear()
items = []
remove_refs = []
for ref in self.References:
try:
idx = self.solidsNames.index(ref[0])
except ValueError: # If solid doesn't exist anymore
remove_refs.append(ref)
else:
item_name = self.solidsLabels[idx] + ':' + ref[1]
items.append(item_name)
for ref in remove_refs:
self.References.remove(ref)
if remove_refs:
self.scheduleRecompute()
for listItemName in items:
self.form.listReferences.addItem(listItemName)
# At the moment we assume order in listbox is the same as order of references
self.form.listReferences.setSortingEnabled(False)
def faceListSelection(self):
self.form.stackedWidget.setCurrentIndex(1)
self.form.shapeComboBox.clear()
self.form.faceListWidget.clear()
self.form.shapeComboBox.insertItems(1, self.solidsLabels)
def faceListShapeChosen(self):
ind = self.form.shapeComboBox.currentIndex()
objectName = self.solidsNames[ind]
if objectName != 'None':
# Disable change notifications while we add new items
self.form.faceListWidget.itemChanged.disconnect(self.faceListItemChanged)
self.shapeObj = FreeCADGui.ActiveDocument.Document.getObject(objectName)
self.hideObjects()
refs = list(self.References)
self.form.faceListWidget.clear()
FreeCADGui.showObject(self.shapeObj)
if self.allow_face_sel:
self.listOfShapeFaces = self.shapeObj.Shape.Faces
selected_faces = [ref[1] for ref in refs if ref[0] == objectName]
for i in range(len(self.listOfShapeFaces)):
face_name = "Face" + str(i + 1)
item = QtGui.QListWidgetItem(face_name, self.form.faceListWidget)
item.setFlags(item.flags() | QtCore.Qt.ItemIsUserCheckable)
checked = face_name in selected_faces
if checked:
item.setCheckState(QtCore.Qt.Checked)
else:
item.setCheckState(QtCore.Qt.Unchecked)
self.form.faceListWidget.insertItem(i, item)
if self.allow_solid_sel:
self.listOfShapeSolids = self.shapeObj.Shape.Solids
selected_solids = [ref[1] for ref in refs if ref[0] == objectName]
for i in range(len(self.listOfShapeSolids)):
face_name = "Solid" + str(i + 1)
item = QtGui.QListWidgetItem(face_name, self.form.faceListWidget)
item.setFlags(item.flags() | QtCore.Qt.ItemIsUserCheckable)
checked = face_name in selected_solids
if checked:
item.setCheckState(QtCore.Qt.Checked)
else:
item.setCheckState(QtCore.Qt.Unchecked)
self.form.faceListWidget.insertItem(i, item)
if self.allow_edge_sel:
self.listOfShapeEdges = self.shapeObj.Shape.Edges
selected_edges = [ref[1] for ref in refs if ref[0] == objectName]
for i in range(len(self.listOfShapeEdges)):
face_name = "Edge" + str(i + 1)
item = QtGui.QListWidgetItem(face_name, self.form.faceListWidget)
item.setFlags(item.flags() | QtCore.Qt.ItemIsUserCheckable)
checked = face_name in selected_edges
if checked:
item.setCheckState(QtCore.Qt.Checked)
else:
item.setCheckState(QtCore.Qt.Unchecked)
self.form.faceListWidget.insertItem(i, item)
if self.allow_point_sel:
self.listOfShapeVertices = self.shapeObj.Shape.Vertexes
selected_solids = [ref[1] for ref in refs if ref[0] == objectName]
for i in range(len(self.listOfShapeVertices)):
face_name = "Vertex" + str(i + 1)
item = QtGui.QListWidgetItem(face_name, self.form.faceListWidget)
item.setFlags(item.flags() | QtCore.Qt.ItemIsUserCheckable)
checked = face_name in selected_solids
if checked:
item.setCheckState(QtCore.Qt.Checked)
else:
item.setCheckState(QtCore.Qt.Unchecked)
self.form.faceListWidget.insertItem(i, item)
self.form.faceListWidget.itemChanged.connect(self.faceListItemChanged)
def hideObjects(self):
for i in FreeCADGui.ActiveDocument.Document.Objects:
if "Shape" in i.PropertiesList:
FreeCADGui.hideObject(i)
self.view_object.show()
def faceHighlightChange(self):
FreeCADGui.Selection.clearSelection()
FreeCADGui.Selection.addSelection(self.shapeObj, self.form.faceListWidget.currentItem().text())
self.scheduleRecompute()
def faceListItemChanged(self, item):
object_name = self.solidsNames[self.form.shapeComboBox.currentIndex()]
if object_name != 'None':
face_name = item.text()
if item.checkState() == QtCore.Qt.Checked:
self.addSelection(self.doc_name, object_name, face_name, as_is=True)
else:
if not self.References:
return
for ref in self.References:
if ref[0] == object_name and ref[1] == face_name:
self.References.remove(ref)
self.rebuildReferenceList()
self.scheduleRecompute()
def selectAllButtonClicked(self):
for i in range(self.form.faceListWidget.count()):
item = self.form.faceListWidget.item(i)
item.setCheckState(QtCore.Qt.Checked)
def selectNoneButtonClicked(self):
for i in range(self.form.faceListWidget.count()):
item = self.form.faceListWidget.item(i)
item.setCheckState(QtCore.Qt.Unchecked)
def closeFaceList(self):
self.form.stackedWidget.setCurrentIndex(0)
# self.obj.ViewObject.show()
def scheduleRecompute(self):
""" Only do one (costly) recompute when done processing - call this in preference to document.recompute() """
self.recompute_timer.start()
def recomputeDocument(self):
# Re-assign to force update of FreeCAD property
self.obj.References = self.References
FreeCAD.getDocument(self.doc_name).recompute()
def closing(self):
""" Call this on close to let the widget to its proper cleanup """
FreeCADGui.Selection.removeObserver(self)
def __del__(self):
# Just in case, make sure any stray selection observer is removed before object deleted
FreeCADGui.Selection.removeObserver(self)