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a2p_viewProviderProxies.py
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a2p_viewProviderProxies.py
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#***************************************************************************
#* *
#* Copyright (c) 2018 kbwbe *
#* *
#* Portions of code based on hamish's assembly 2 *
#* *
#* 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, FreeCADGui
from pivy import coin
import traceback
from a2p_translateUtils import *
import a2plib
#==============================================================================
class PopUpMenuItem:
def __init__( self, proxy, menu, label, Freecad_cmd ):
self.Object = proxy.Object
self.Freecad_cmd = Freecad_cmd
action = menu.addAction(label)
action.triggered.connect( self.execute )
proxy.pop_up_menu_items.append( self )
def execute( self ):
try:
FreeCADGui.runCommand( self.Freecad_cmd )
except:
FreeCAD.Console.PrintError( traceback.format_exc() )
#==============================================================================
class ConstraintViewProviderProxy:
def __init__(
self,
constraintObj,
iconPath,
createMirror=True,
origLabel = '',
mirrorLabel = '',
extraLabel = ''
):
self.iconPath = iconPath
self.constraintObj_name = constraintObj.Name
constraintObj.purgeTouched()
if createMirror:
self.mirror_name = create_constraint_mirror(
constraintObj,
iconPath,
origLabel,
mirrorLabel,
extraLabel
)
self.enableDeleteCounterPart = True #allow to delete the mirror
self.onChangedEnabled = True
def getIcon(self):
ob = FreeCAD.ActiveDocument.getObject(self.constraintObj_name)
if ob is not None:
return a2plib.A2P_CONSTRAINTS_ICON_MAP[
ob.Type
]
def doubleClicked(self,vobj):
FreeCADGui.activateWorkbench('A2plusWorkbench')
FreeCADGui.runCommand("a2p_EditConstraintCommand")
#WF: next 3 methods not required
def attach(self, vobj): #attach to what document?
vobj.addDisplayMode( coin.SoGroup(),"Standard" )
def getDisplayModes(self,obj):
return ["Standard"]
def getDefaultDisplayMode(self):
return "Standard"
def onChanged(self,viewObject,prop):
if not hasattr(viewObject.Proxy, "onChangedEnabled"):
viewObject.Proxy.onChangedEnabled = True
if viewObject.Proxy.onChangedEnabled == False: return
if prop == "Visibility":
obj = viewObject.Object
if hasattr(obj,"Suppressed"):
obj.Suppressed = not viewObject.isVisible()
doc = obj.Document
if hasattr( obj.Proxy, 'mirror_name'):
try:
m = doc.getObject(obj.Proxy.mirror_name)
m.ViewObject.Proxy.onChangedEnabled = False
m.ViewObject.Visibility = viewObject.Visibility
m.ViewObject.Proxy.onChangedEnabled = True
except:
pass # if original has already been removed...
def onDelete(self, viewObject, subelements): # subelements is a tuple of strings
if FreeCAD.activeDocument() != viewObject.Object.Document:
return False
if not hasattr(self,'enableDeleteCounterPart'):
self.enableDeleteCounterPart = True
if not self.enableDeleteCounterPart: return True # nothing more to do...
# first delete the mirror...
obj = viewObject.Object
doc = obj.Document
if hasattr( obj.Proxy, 'mirror_name'):
try:
m = doc.getObject(obj.Proxy.mirror_name)
m.Proxy.enableDeleteCounterPart = False
doc.removeObject( obj.Proxy.mirror_name ) # also delete mirror
except:
pass # if mirror is already deleted...
return True
#==============================================================================
class ConstraintMirrorViewProviderProxy:
def __init__( self, constraintObj, iconPath ):
self.iconPath = iconPath
self.constraintObj_name = constraintObj.Name
self.enableDeleteCounterPart = True #allow to delete the original of the mirror
self.onChangedEnabled = True
def doubleClicked(self,vobj):
FreeCADGui.activateWorkbench('A2plusWorkbench')
FreeCADGui.runCommand("a2p_EditConstraintCommand")
def getIcon(self):
ob = FreeCAD.ActiveDocument.getObject(self.constraintObj_name)
if ob is not None:
return a2plib.A2P_CONSTRAINTS_ICON_MAP[
ob.Type
]
#WF: next 3 methods not required
def attach(self, vobj):
vobj.addDisplayMode( coin.SoGroup(),"Standard" )
def getDisplayModes(self,obj):
return ["Standard"]
def getDefaultDisplayMode(self):
return "Standard"
def onChanged(self,viewObject,prop):
if not hasattr(viewObject.Proxy, "onChangedEnabled"):
viewObject.Proxy.onChangedEnabled = True
if viewObject.Proxy.onChangedEnabled == False: return
if prop == "Visibility":
obj = viewObject.Object
if hasattr(obj,"Suppressed"):
obj.Suppressed = not viewObject.isVisible()
doc = obj.Document
try:
c = doc.getObject(obj.Proxy.constraintObj_name)
c.ViewObject.Proxy.onChangedEnabled = False
c.ViewObject.Visibility = viewObject.Visibility
c.ViewObject.Proxy.onChangedEnabled = True
except:
pass # if original has already been removed...
def onDelete(self, viewObject, subelements): # subelements is a tuple of strings
if FreeCAD.activeDocument() != viewObject.Object.Document:
return False
if not hasattr(self,'enableDeleteCounterPart'):
self.enableDeleteCounterPart = True
if not self.enableDeleteCounterPart: return True # nothing more to do...
# First delete the original...
obj = viewObject.Object
doc = obj.Document
try:
c = doc.getObject(obj.Proxy.constraintObj_name)
c.Proxy.enableDeleteCounterPart = False
doc.removeObject(obj.Proxy.constraintObj_name) # also delete the original
except:
pass # if original has already been removed...
return True
#==============================================================================
def create_constraint_mirror( constraintObj, iconPath, origLabel= '', mirrorLabel='', extraLabel = '' ):
#FreeCAD.Console.PrintMessage("creating constraint mirror\n")
cName = constraintObj.Name + '_mirror'
cMirror = constraintObj.Document.addObject("App::FeaturePython", cName)
if origLabel == '':
cMirror.Label = constraintObj.Label + '_'
else:
cMirror.Label = constraintObj.Label + '__' + mirrorLabel
constraintObj.Label = constraintObj.Label + '__' + origLabel
if extraLabel != '':
cMirror.Label += '__' + extraLabel
constraintObj.Label += '__' + extraLabel
for pName in constraintObj.PropertiesList:
if pName == "ParentTreeObject": continue #causes problems with fc0.16
if constraintObj.getGroupOfProperty( pName ) == 'ConstraintInfo':
#if constraintObj.getTypeIdOfProperty( pName ) == 'App::PropertyEnumeration':
# continue #App::Enumeration::contains(const char*) const: Assertion `_EnumArray' failed.
cMirror.addProperty(
constraintObj.getTypeIdOfProperty( pName ),
pName,
"ConstraintNfo" #instead of ConstraintInfo, as to not confuse the assembly2sovler
)
if pName == 'directionConstraint':
v = constraintObj.directionConstraint
if v != "none": #then updating a document with mirrors
cMirror.directionConstraint = ["aligned","opposed"]
cMirror.directionConstraint = v
else:
cMirror.directionConstraint = ["none","aligned","opposed"]
else:
setattr( cMirror, pName, getattr( constraintObj, pName) )
if constraintObj.getEditorMode(pName) == ['ReadOnly']:
cMirror.setEditorMode( pName, 1 )
cMirror.addProperty("App::PropertyLink","ParentTreeObject","ConstraintNfo") # this was not copied because fc0.16
parent = FreeCAD.ActiveDocument.getObject(constraintObj.Object2)
cMirror.ParentTreeObject = parent
cMirror.setEditorMode('ParentTreeObject',1)
# this is needed to trigger an update
parent.touch()
ConstraintMirrorObjectProxy( cMirror, constraintObj )
cMirror.ViewObject.Proxy = ConstraintMirrorViewProviderProxy( constraintObj, iconPath )
return cMirror.Name
#==============================================================================
class ConstraintObjectProxy:
def __init__(self,obj=None):
self.disable_onChanged = False
if obj is not None:
ConstraintObjectProxy.setProperties(self,obj)
self.type = "a2p_constraint"
def setProperties(self,obj):
propList = obj.PropertiesList
if not "Toponame1" in propList:
obj.addProperty("App::PropertyString", "Toponame1", "ConstraintInfo")
if not "Toponame2" in propList:
obj.addProperty("App::PropertyString", "Toponame2", "ConstraintInfo")
if not "Suppressed" in propList:
obj.addProperty("App::PropertyBool", "Suppressed", "ConstraintInfo")
obj.setEditorMode('Suppressed',1)
obj.Suppressed = False # do not suppress constraints after document loading...
# remove relict from renaming...
if "suppressed" in propList:
obj.removeProperty("suppressed")
self.type = "a2p_constraint"
def onDocumentRestored(self,obj):
ConstraintObjectProxy.setProperties(self,obj)
def execute(self, obj):
return # functionality removed with new UserInterface, avoid nested recomputes...
def onChanged(self, obj, prop):
# Add new property "disable_onChanged" if not already existing...
if not hasattr(self, 'disable_onChanged'):
self.disable_onChanged = False
if self.disable_onChanged: return
if hasattr(self, 'mirror_name'):
cMirror = obj.Document.getObject( self.mirror_name )
if cMirror is None: return #catch issues during deleting...
if cMirror.Proxy is None:
return #this occurs during document loading ...
if obj.getGroupOfProperty( prop ) == 'ConstraintInfo':
cMirror.Proxy.disable_onChanged = True
setattr( cMirror, prop, getattr( obj, prop) )
cMirror.Proxy.disable_onChanged = False
def reduceDirectionChoices( self, obj, value):
if hasattr(self, 'mirror_name'):
cMirror = obj.Document.getObject( self.mirror_name )
cMirror.directionConstraint = ["aligned","opposed"] #value should be updated in onChanged call due to assignment in 2 lines
obj.directionConstraint = ["aligned","opposed"]
obj.directionConstraint = value
def callSolveConstraints(self):
from a2p_solversystem import autoSolveConstraints
autoSolveConstraints(
FreeCAD.activeDocument(),
cache = None,
callingFuncName = "ConstraintObjectProxy::callSolveConstraints"
)
#==============================================================================
class ConstraintMirrorObjectProxy:
def __init__(self, obj, constraintObj ):
self.constraintObj_name = constraintObj.Name
constraintObj.Proxy.mirror_name = obj.Name
self.disable_onChanged = False
obj.Proxy = self
if obj is not None:
ConstraintMirrorObjectProxy.setProperties(self,obj)
self.type = "a2p_constraint_mirror"
def setProperties(self,obj):
propList = obj.PropertiesList
if not "Toponame1" in propList:
obj.addProperty("App::PropertyString", "Toponame1", "ConstraintNfo")
if not "Toponame2" in propList:
obj.addProperty("App::PropertyString", "Toponame2", "ConstraintNfo")
if not "Suppressed" in propList:
obj.addProperty("App::PropertyBool", "Suppressed", "ConstraintNfo")
obj.setEditorMode('Suppressed',1)
obj.Suppressed = False # do not suppress constraints after document loading...
# remove relict from renaming...
if "suppressed" in propList:
obj.removeProperty("suppressed")
self.type = "a2p_constraint_mirror"
def onDocumentRestored(self,obj):
ConstraintMirrorObjectProxy.setProperties(self,obj)
def execute(self, obj):
return #no work required in onChanged causes touched in original constraint ...
def onChanged(self, obj, prop):
'''
is triggered by Python code!
And on document loading...
'''
#FreeCAD.Console.PrintMessage("%s.%s property changed\n" % (obj.Name, prop))
if getattr( self, 'disable_onChanged', True):
return
if obj.getGroupOfProperty( prop ) == 'ConstraintNfo':
if hasattr( self, 'constraintObj_name' ):
constraintObj = obj.Document.getObject( self.constraintObj_name )
try:
if getattr(constraintObj, prop) != getattr( obj, prop):
setattr( constraintObj, prop, getattr( obj, prop) )
except:
pass #loading issues...
#==============================================================================