264 lines
12 KiB
Python
264 lines
12 KiB
Python
#***************************************************************************
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#* *
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#* Copyright (c) 2016 - Victor Titov (DeepSOIC) *
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#* <vv.titov@gmail.com> *
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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__= "Lattice ShapeInfo feature for FreeCAD"
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__author__ = "DeepSOIC"
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__doc__ = "Shape info feature is for getting info on a shape and exposing it in form of properties, that are usable from expressions."
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from lattice2Common import *
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import lattice2BaseFeature as LBF
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import lattice2CompoundExplorer as LCE
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import FreeCAD as App
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# -------------------------- feature --------------------------------------------------
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def makeShapeInfoFeature(name):
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'''makeShapeInfoFeature(name): makes a ShapeInfoFeature object.'''
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obj = App.ActiveDocument.addObject("App::FeaturePython",name)
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ShapeInfoFeature(obj)
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if FreeCAD.GuiUp:
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ViewProviderShapeInfo(obj.ViewObject)
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return obj
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class ShapeInfoFeature:
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"The Lattice ShapeInfo object"
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def __init__(self,obj):
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self.Type = "ShapeInfoFeature"
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obj.addProperty("App::PropertyLink","Object","Lattice ShapeInfo","Object to be analyzed")
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obj.Proxy = self
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def execute(self,selfobj):
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self.updatedProperties = set()
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try:
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if LBF.isObjectLattice(screen(selfobj.Object)):
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plms = LBF.getPlacementsList(screen(selfobj.Object))
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self.assignProp(selfobj,"App::PropertyInteger","NumberOfPlacements",len(plms))
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for i in range( min( len(plms), 10 ) ):
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self.assignProp(selfobj,"App::PropertyPlacement","Placement"+str(i),plms[i])
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else:
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sh = screen(selfobj.Object).Shape
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self.assignProp(selfobj,"App::PropertyString","ShapeType", sh.ShapeType)
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if sh.ShapeType == "Compound" or sh.ShapeType == "CompSolid" or sh.ShapeType == "Shell" or sh.ShapeType == "Wire":
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self.assignProp(selfobj,"App::PropertyInteger",sh.ShapeType+"NumChildren",len(sh.childShapes(False,False)))
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if sh.ShapeType == "Compound":
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max_depth = 0
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num_leaves = 0
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last_leaf = None
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for (child, msg, it) in LCE.CompoundExplorer(sh):
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if it.curDepth() > max_depth:
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max_depth = it.curDepth()
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if msg == LCE.CompoundExplorer.MSG_LEAF:
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last_leaf = child
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num_leaves += 1
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self.assignProp(selfobj,"App::PropertyInteger","CompoundNestingDepth", max_depth)
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self.assignProp(selfobj,"App::PropertyInteger","CompoundNumLeaves", num_leaves)
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if num_leaves == 1:
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self.assignProp(selfobj,"App::PropertyString","ShapeType", sh.ShapeType + "(" + last_leaf.ShapeType + ")")
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sh = last_leaf
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self.transplant_all_attributes(selfobj,sh,"Shape", withdraw_set= set(["ShapeType", "Content", "Module", "TypeId"]))
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if sh.ShapeType == "Face":
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typelist = ["BSplineSurface",
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"BezierSurface",
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"Cone",
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"Cylinder",
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"OffsetSurface",
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"Plane",
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"PlateSurface",
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"RectangularTrimmedSurface",
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"Sphere",
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"SurfaceOfExtrusion",
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"SurfaceOfRevolution",
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"Toroid",
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]
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surf = sh.Surface
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for typename in typelist:
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if type(surf) is getattr(Part, typename):
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break
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typename = None
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self.assignProp(selfobj,"App::PropertyString","FaceType",typename)
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self.transplant_all_attributes(selfobj,surf,"Face")
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elif sh.ShapeType == "Edge":
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typelist = ["Arc",
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"ArcOfCircle",
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"ArcOfEllipse",
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"ArcOfHyperbola",
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"ArcOfParabola",
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"BSplineCurve",
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"BezierCurve",
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"Circle",
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"Ellipse",
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"Hyperbola",
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"Line",
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"OffsetCurve",
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"Parabola",
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]
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crv = sh.Curve
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for typename in typelist:
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if type(crv) is getattr(Part, typename):
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break
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typename = None
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self.assignProp(selfobj,"App::PropertyString","EdgeType",typename)
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self.transplant_all_attributes(selfobj,crv,"Edge")
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elif sh.ShapeType == "Vertex":
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self.assignProp(selfobj,"App::PropertyVector","VertexPosition",sh.Point)
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finally:
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#remove properties that haven't been updated
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for propname in selfobj.PropertiesList:
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if selfobj.getGroupOfProperty(propname) == "info":
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if not (propname in self.updatedProperties):
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selfobj.removeProperty(propname)
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def assignProp(self, selfobj, proptype, propname, propvalue):
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if not hasattr(selfobj,propname):
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selfobj.addProperty(proptype, propname,"info")
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selfobj.setEditorMode(propname,1) #set read-only
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setattr(selfobj,propname,propvalue)
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self.updatedProperties.add(propname)
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def transplant_all_attributes(self, selfobj, source, prefix, withdraw_set = set()):
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for attrname in dir(source):
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if attrname in withdraw_set: continue
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if attrname[0]=="_": continue
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try:
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attr = getattr(source,attrname)
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except Exception:
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continue
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if callable(attr): continue
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propname = prefix+attrname[0].upper()+attrname[1:]
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if type(attr) is int:
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self.assignProp(selfobj,"App::PropertyInteger",propname,attr)
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if type(attr) is float:
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self.assignProp(selfobj,"App::PropertyFloat",propname,attr)
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if type(attr) is str:
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self.assignProp(selfobj,"App::PropertyString",propname,attr)
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if type(attr) is App.Vector:
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self.assignProp(selfobj,"App::PropertyVector",propname,attr)
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if type(attr) is App.Placement:
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self.assignProp(selfobj,"App::PropertyPlacement",propname,attr)
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if type(attr) is list:
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self.assignProp(selfobj,"App::PropertyInteger",propname+"Count",len(attr))
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def __getstate__(self):
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return None
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def __setstate__(self,state):
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return None
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class ViewProviderShapeInfo:
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"A View Provider for the ShapeInfo object"
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def __init__(self,vobj):
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vobj.Proxy = self
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def getIcon(self):
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return getIconPath("Lattice2_ShapeInfoFeature.svg")
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def attach(self, vobj):
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self.ViewObject = vobj
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self.Object = vobj.Object
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def setEdit(self,vobj,mode):
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return False
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def unsetEdit(self,vobj,mode):
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return
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def __getstate__(self):
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return None
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def __setstate__(self,state):
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return None
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def claimChildren(self):
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return []
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def CreateShapeInfo(object):
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FreeCADGui.addModule("lattice2ShapeInfoFeature")
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FreeCADGui.addModule("lattice2Executer")
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name = object.Name+"_Info"
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FreeCADGui.doCommand("f = lattice2ShapeInfoFeature.makeShapeInfoFeature(name= "+repr(name)+")")
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label = u"Shape info (" + object.Label +")"
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FreeCADGui.doCommand("f.Label = "+repr(label))
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FreeCADGui.doCommand("f.Object = App.ActiveDocument."+object.Name)
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FreeCADGui.doCommand("lattice2Executer.executeFeature(f)")
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FreeCADGui.doCommand("Gui.Selection.addSelection(f)")
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return App.ActiveDocument.ActiveObject
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def cmdShapeInfoFeature():
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sel = FreeCADGui.Selection.getSelectionEx()
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if len(sel) == 0:
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raise SelectionError("Bad selection", "Please select some subelements from one object, first.")
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App.ActiveDocument.openTransaction("Create ShapeInfo Feature")
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for sel_item in sel:
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CreateShapeInfo(sel_item.Object)
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deselect(sel)
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App.ActiveDocument.commitTransaction()
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# -------------------------- /common stuff --------------------------------------------------
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# -------------------------- Gui command --------------------------------------------------
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class _CommandShapeInfoFeature:
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"Command to create ShapeInfo feature"
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def GetResources(self):
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return {'Pixmap' : getIconPath("Lattice2_ShapeInfoFeature.svg"),
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'MenuText': QtCore.QT_TRANSLATE_NOOP("Lattice2_ShapeInfoFeature","Shape info (feature)"),
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'Accel': "",
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'ToolTip': QtCore.QT_TRANSLATE_NOOP("Lattice2_ShapeInfoFeature","Shape info (feature): extract metrics from shape and expose them as properties.")}
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def Activated(self):
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try:
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if len(FreeCADGui.Selection.getSelection())==0:
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infoMessage("Shape info (feature)",
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"'Shape info (feature)' command. extract metrics from shape and expose them as properties. Useful for referencing in expressions.\n\n"+
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"Please select an object, then invoke the command.")
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return
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cmdShapeInfoFeature()
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except Exception as err:
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msgError(err)
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def IsActive(self):
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if App.ActiveDocument:
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return True
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else:
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return False
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if FreeCAD.GuiUp:
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FreeCADGui.addCommand('Lattice2_ShapeInfoFeature', _CommandShapeInfoFeature())
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exportedCommands = ['Lattice2_ShapeInfoFeature']
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# -------------------------- /Gui command --------------------------------------------------
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