#***************************************************************************
#* *
#* Copyright (c) 2015 - Victor Titov (DeepSOIC) *
#* <vv.titov@gmail.com> *
#* *
#* This program is free software; you can redistribute it and/or modify *
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#* the License, or (at your option) any later version. *
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#* 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. *
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#***************************************************************************
__title__="Lattice SubstituteObject command module"
__author__ = "DeepSOIC"
import FreeCAD as App
from replaceobj import replaceobj #from OpenSCAD wb, the code that drives replaceChild
from lattice2Common import *
def getAllDependencies(feat):
'''getAllDependencies(feat): gets all features feat depends on, directly or indirectly. Returns a list, with deepest dependencies last.'''
list_traversing_now = [feat]
set_of_deps = set()
list_of_deps = []
while len(list_traversing_now) > 0:
list_to_be_traversed_next = []
for feat in list_traversing_now:
for dep in feat.OutList:
if not (dep in set_of_deps):
set_of_deps.add(dep)
list_of_deps.append(dep)
list_to_be_traversed_next.append(dep)
list_traversing_now = list_to_be_traversed_next
return list_of_deps
def substituteobj(oldobj, newobj):
'''Replaces all links to oldobj in the document with links to newobj.
Returns a tuple (list_replaced, list_not_replaced)'''
deps_of_new = getAllDependencies(newobj) + [newobj]
list_not_replaced = []
list_replaced = []
for dep in oldobj.InList:
if dep in deps_of_new:
#we are about to make an object newobj depends on, to depend on newobj.
#This will create a circular graph, so we must skip this.
print ("not replacing "+oldobj.Name+" with " + newobj.Name +" in " + dep.Name)
list_not_replaced.append(dep)
else:
print ("replacing "+oldobj.Name+" with " + newobj.Name +" in " + dep.Name)
list_replaced.append(dep)
replaceobj(dep, oldobj, newobj)
return (list_replaced, list_not_replaced)
class CommandSubstituteObject:
"Command to substitute object"
def GetResources(self):
return {'Pixmap' : getIconPath("Lattice2_SubstituteObject.svg"),
'MenuText': QtCore.QT_TRANSLATE_NOOP("Lattice2_SubstituteObject","Substitute object"),
'Accel': "",
'ToolTip': QtCore.QT_TRANSLATE_NOOP("Lattice2_SubstituteObject","Substitute Object: find all links to one of the selected objects, and rediret them all to another object")}
def Activated(self):
sel = FreeCADGui.Selection.getSelectionEx()
if len(sel) == 2 :
App.ActiveDocument.openTransaction("Substitute "+sel[0].ObjectName+" with "+sel[1].ObjectName)
try:
#do it
if len(sel[0].Object.InList) == 0:
raise ValueError("First selected object isn't referenced by anything; nothing to do.")
dummy, list_not_replaced = substituteobj(sel[0].Object, sel[1].Object)
App.ActiveDocument.commitTransaction()
#verify results: oldobject should not be referenced by anything anymore.
if len(sel[0].Object.InList) != 0:
set_failed = set(sel[0].Object.InList).difference(set(list_not_replaced))
mb = QtGui.QMessageBox()
if len(set_failed) > 0:
mb.setIcon(mb.Icon.Warning)
msg = translate("Lattice2_SubstituteObject", "Some of the links couldn't be redirected, because they are not supported by the tool. Link redirection failed for: \n%1\nTo redirect these links, the objects have to be edited manually. Sorry!", None)
rem_links = [lnk.Label for lnk in set_failed]
else:
mb.setIcon(mb.Icon.Information)
msg = translate("Lattice2_SubstituteObject", "The following objects still link to old object: \n%1\nReplacing those links would have caused loops in dependency graph, so they were skipped.", None)
rem_links = [lnk.Label for lnk in sel[0].Object.InList]
mb.setText(msg.replace(u"%1", u"\n".join(rem_links)))
mb.setWindowTitle(translate("Lattice2_SubstituteObject","Error", None))
mb.exec_()
except Exception as err:
mb = QtGui.QMessageBox()
mb.setIcon(mb.Icon.Warning)
mb.setText(translate("Lattice2_SubstituteObject", "An error occured while substituting object:", None)+ u"\n"
+ str(err))
mb.setWindowTitle(translate("Lattice2_SubstituteObject","Error", None))
mb.exec_()
App.ActiveDocument.abortTransaction()
return
#hide/unhide
try:
old_was_visible = sel[0].Object.ViewObject.Visibility
new_was_visible = sel[1].Object.ViewObject.Visibility
sel[0].Object.ViewObject.Visibility = True
sel[1].Object.ViewObject.Visibility = old_was_visible
except Exception as err:
App.Console.PrintError("SubstituteFeature: error when changing visibilities: "+str(err)+"\n")
else:
mb = QtGui.QMessageBox()
mb.setIcon(mb.Icon.Warning)
mb.setText(translate("Lattice2_SubstituteObject", "Select two objects, first! The first one is the one to be substituted, and the second one is the object to redirect all links to.", None))
mb.setWindowTitle(translate("Lattice2_SubstituteObject","Bad selection", None))
mb.exec_()
def IsActive(self):
if FreeCAD.ActiveDocument:
return True
else:
return False
FreeCADGui.addCommand('Lattice2_SubstituteObject', CommandSubstituteObject())
exportedCommands = ['Lattice2_SubstituteObject']