# SPDX-License-Identifier: LGPL-2.1-or-later # *************************************************************************** # * * # * Copyright (c) 2011 Yorik van Havre * # * * # * This file is part of FreeCAD. * # * * # * FreeCAD is free software: you can redistribute it and/or modify it * # * under the terms of the GNU Lesser General Public License as * # * published by the Free Software Foundation, either version 2.1 of the * # * License, or (at your option) any later version. * # * * # * FreeCAD 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 * # * Lesser General Public License for more details. * # * * # * You should have received a copy of the GNU Lesser General Public * # * License along with FreeCAD. If not, see * # * . * # * * # *************************************************************************** __title__ = "FreeCAD Arch Component" __author__ = "Yorik van Havre" __url__ = "https://www.freecad.org" ## @package ArchComponent # \ingroup ARCH # \brief The base class of all Arch objects # # This module provides the base Arch component class, that # is shared by all of the Arch BIM objects """This module provides the base Arch component class, that is shared by all of the Arch BIM objects. Examples -------- TODO put examples here. """ import math import FreeCAD import ArchCommands import ArchIFC import Draft from draftutils import params if FreeCAD.GuiUp: from PySide import QtGui, QtCore from PySide.QtCore import QT_TRANSLATE_NOOP import FreeCADGui from draftutils.translate import translate else: # \cond def translate(ctxt, txt): return txt def QT_TRANSLATE_NOOP(ctxt, txt): return txt # \endcond def addToComponent(compobject, addobject, mod=None): """Add an object to a component's properties. Does not run if the addobject already exists in the component's properties. Adds the object to the first property found of Base, Group, or Hosts. If mod is provided, adds the object to that property instead. Parameters ---------- compobject: The component object to add the object to. addobject: The object to add to the component. mod: str, optional The property to add the object to. """ import Draft if compobject == addobject: return # first check zis already there found = False attribs = ["Additions", "Objects", "Components", "Subtractions", "Base", "Group", "Hosts"] for a in attribs: if hasattr(compobject, a): if a == "Base": if addobject == getattr(compobject, a): found = True else: if addobject in getattr(compobject, a): found = True if not found: if mod: if hasattr(compobject, mod): if mod == "Base": setattr(compobject, mod, addobject) addobject.ViewObject.hide() elif mod == "Axes": if Draft.getType(addobject) == "Axis": l = getattr(compobject, mod) l.append(addobject) setattr(compobject, mod, l) else: l = getattr(compobject, mod) l.append(addobject) setattr(compobject, mod, l) if mod != "Objects": addobject.ViewObject.hide() if Draft.getType(compobject) == "PanelSheet": addobject.Placement.move(compobject.Placement.Base.negative()) else: for a in attribs[:3]: if hasattr(compobject, a): l = getattr(compobject, a) l.append(addobject) setattr(compobject, a, l) addobject.ViewObject.hide() break def removeFromComponent(compobject, subobject): """Remove the object from the given component. Try to find the object in the component's properties. If found, remove the object. If the object is not found, add the object in the component's Subtractions property. Parameters ---------- compobject: The component to remove the object from. subobject: The object to remove from the component. """ if compobject == subobject: return found = False attribs = [ "Additions", "Subtractions", "Objects", "Components", "Base", "Axes", "Fixtures", "Group", "Hosts", ] for a in attribs: if hasattr(compobject, a): if a == "Base": if subobject == getattr(compobject, a): setattr(compobject, a, None) subobject.ViewObject.show() found = True else: if subobject in getattr(compobject, a): l = getattr(compobject, a) l.remove(subobject) setattr(compobject, a, l) subobject.ViewObject.show() if Draft.getType(compobject) == "PanelSheet": subobject.Placement.move(compobject.Placement.Base) found = True if not found: if hasattr(compobject, "Subtractions"): l = compobject.Subtractions l.append(subobject) compobject.Subtractions = l if (Draft.getType(subobject) != "Window") and ( not Draft.isClone(subobject, "Window", True) ): ArchCommands.setAsSubcomponent(subobject) class Component(ArchIFC.IfcProduct): """The Arch Component object. Acts as a base for all other Arch objects, such as Arch walls and Arch structures. Its properties and behaviours are common to all Arch objects. You can learn more about Arch Components, and the purpose of Arch Components here: https://wiki.freecad.org/Arch_Component Parameters ---------- obj: The object to turn into an Arch Component """ def __init__(self, obj): obj.Proxy = self self.Type = "Component" Component.setProperties(self, obj) def setProperties(self, obj): """Give the component its component specific properties, such as material. You can learn more about properties here: https://wiki.freecad.org/property """ ArchIFC.IfcProduct.setProperties(self, obj) pl = obj.PropertiesList if not "Base" in pl: obj.addProperty( "App::PropertyLink", "Base", "Component", QT_TRANSLATE_NOOP("App::Property", "The base object this component is built upon"), locked=True, ) if not "CloneOf" in pl: obj.addProperty( "App::PropertyLink", "CloneOf", "Component", QT_TRANSLATE_NOOP("App::Property", "The object this component is cloning"), locked=True, ) if not "Additions" in pl: obj.addProperty( "App::PropertyLinkList", "Additions", "Component", QT_TRANSLATE_NOOP("App::Property", "Other shapes that are appended to this object"), locked=True, ) if not "Subtractions" in pl: obj.addProperty( "App::PropertyLinkList", "Subtractions", "Component", QT_TRANSLATE_NOOP( "App::Property", "Other shapes that are subtracted from this object" ), locked=True, ) if not "Description" in pl: obj.addProperty( "App::PropertyString", "Description", "Component", QT_TRANSLATE_NOOP("App::Property", "An optional description for this component"), locked=True, ) if not "Tag" in pl: obj.addProperty( "App::PropertyString", "Tag", "Component", QT_TRANSLATE_NOOP("App::Property", "An optional tag for this component"), locked=True, ) if not "StandardCode" in pl: obj.addProperty( "App::PropertyString", "StandardCode", "Component", QT_TRANSLATE_NOOP( "App::Property", "An optional standard (OmniClass, etc.) code for this component", ), locked=True, ) if not "Material" in pl: obj.addProperty( "App::PropertyLink", "Material", "Component", QT_TRANSLATE_NOOP("App::Property", "A material for this object"), locked=True, ) if "BaseMaterial" in pl: obj.Material = obj.BaseMaterial obj.removeProperty("BaseMaterial") FreeCAD.Console.PrintMessage( "Upgrading " + obj.Label + " BaseMaterial property to Material\n" ) if not "MoveBase" in pl: obj.addProperty( "App::PropertyBool", "MoveBase", "Component", QT_TRANSLATE_NOOP( "App::Property", "Specifies if moving this object moves its base instead" ), locked=True, ) obj.MoveBase = params.get_param_arch("MoveBase") if not "MoveWithHost" in pl: obj.addProperty( "App::PropertyBool", "MoveWithHost", "Component", QT_TRANSLATE_NOOP( "App::Property", "Specifies if this object must move together when its host is moved", ), locked=True, ) obj.MoveWithHost = params.get_param_arch("MoveWithHost") if not "VerticalArea" in pl: obj.addProperty( "App::PropertyArea", "VerticalArea", "Component", QT_TRANSLATE_NOOP("App::Property", "The area of all vertical faces of this object"), locked=True, ) obj.setEditorMode("VerticalArea", 1) if not "HorizontalArea" in pl: obj.addProperty( "App::PropertyArea", "HorizontalArea", "Component", QT_TRANSLATE_NOOP( "App::Property", "The area of the projection of this object onto the XY plane" ), locked=True, ) obj.setEditorMode("HorizontalArea", 1) if not "PerimeterLength" in pl: obj.addProperty( "App::PropertyLength", "PerimeterLength", "Component", QT_TRANSLATE_NOOP("App::Property", "The perimeter length of the horizontal area"), locked=True, ) obj.setEditorMode("PerimeterLength", 1) if not "HiRes" in pl: obj.addProperty( "App::PropertyLink", "HiRes", "Component", QT_TRANSLATE_NOOP( "App::Property", "An optional higher-resolution mesh or shape for this object" ), locked=True, ) if not "Axis" in pl: obj.addProperty( "App::PropertyLink", "Axis", "Component", QT_TRANSLATE_NOOP( "App::Property", "An optional axis or axis system on which this object should be duplicated", ), locked=True, ) self.Subvolume = None # self.MoveWithHost = False def onDocumentRestored(self, obj): """Method run when the document is restored. Re-add the Arch component properties. Parameters ---------- obj: The component object. """ Component.setProperties(self, obj) def execute(self, obj): """Method run when the object is recomputed. If the object is a clone, just copy the shape it's cloned from. Process subshapes of the object to add additions, and subtract subtractions from the object's shape. Parameters ---------- obj: The component object. """ if self.clone(obj): return if not self.ensureBase(obj): return if obj.Base: shape = self.spread(obj, obj.Base.Shape) if obj.Additions or obj.Subtractions: shape = self.processSubShapes(obj, shape) obj.Shape = shape def dumps(self): return None def loads(self, state): self.Type = "Component" def onBeforeChange(self, obj, prop): """Method called before the object has a property changed. Specifically, this method is called before the value changes. If "Placement" has changed, record the old placement, so that .onChanged() can compare between the old and new placement, and move its children accordingly. Parameters ---------- obj: The component object. prop: string The name of the property that has changed. """ if prop == "Placement": self.oldPlacement = FreeCAD.Placement(obj.Placement) def onChanged(self, obj, prop): """Method called when the object has a property changed. If "Placement" has changed, move any children components that have been set to move with their host, such that they stay in the same location to this component. Also call ArchIFC.IfcProduct.onChanged(). Parameters ---------- obj: The component object. prop: string The name of the property that has changed. """ ArchIFC.IfcProduct.onChanged(self, obj, prop) if prop == "Placement": if hasattr(self, "oldPlacement") and self.oldPlacement != obj.Placement: deltap = obj.Placement.Base.sub(self.oldPlacement.Base) if deltap.Length == 0: deltap = None deltar = obj.Placement.Rotation * self.oldPlacement.Rotation.inverted() if deltar.Angle < 0.0001: deltar = None for child in self.getMovableChildren(obj): if deltar: child.Placement.rotate( self.oldPlacement.Base, deltar.Axis, math.degrees(deltar.Angle), comp=True, ) if deltap: child.Placement.move(deltap) def getMovableChildren(self, obj): """Find the component's children set to move with their host. In this case, children refer to Additions, Subtractions, and objects linked to this object that refer to it as a host in the "Host" or "Hosts" properties. Objects are set to move with their host via the MoveWithHost property. Parameters ---------- obj: The component object. Returns ------- list of List of child objects set to move with their host. """ ilist = obj.Additions + obj.Subtractions for o in obj.InList: if hasattr(o, "Hosts"): if obj in o.Hosts: ilist.append(o) elif hasattr(o, "Host"): if obj == o.Host: ilist.append(o) # Stairs railings should be considered as children # (RailingLeft and RailingRight property) if hasattr(obj, "RailingLeft") and obj.RailingLeft: ilist.append(obj.RailingLeft) if hasattr(obj, "RailingRight") and obj.RailingRight: ilist.append(obj.RailingRight) ilist2 = [] for o in ilist: if hasattr(o, "MoveWithHost"): if o.MoveWithHost: ilist2.append(o) else: ilist2.append(o) return ilist2 def getParentHeight(self, obj): """Get a height value from hosts. Recursively crawl hosts until a Floor or BuildingPart is found, then return the value of its Height property. Parameters --------- obj: The component object. Returns ------- The Height value of the found Floor or BuildingPart. """ for parent in obj.InList: if Draft.getType(parent) in ["Floor", "BuildingPart"]: if obj in parent.Group: if parent.HeightPropagate: if parent.Height.Value: return parent.Height.Value # not found? get one level higher for parent in obj.InList: if hasattr(parent, "Group"): if obj in parent.Group: return self.getParentHeight(parent) # still not found? check if we are embedded for parent in obj.InList: if hasattr(parent, "Additions"): if obj in parent.Additions: return self.getParentHeight(parent) return 0 def clone(self, obj): """If the object is a clone, copy the shape. If the object is a clone according to the "CloneOf" property, copy the object's shape and several properties relating to shape, such as "Length" and "Thickness". Only perform the copy if this object and the object it's a clone of are of the same type, or if the object has the type "Component" or "BuildingPart". Parameters ---------- obj: The component object. Returns ------- bool True if the copy occurs, False if otherwise. """ if hasattr(obj, "CloneOf"): if obj.CloneOf: if (Draft.getType(obj.CloneOf) == Draft.getType(obj)) or ( Draft.getType(obj) in ["Component", "BuildingPart"] ): pl = obj.Placement ## TODO use Part.Shape() instead? obj.Shape = obj.CloneOf.Shape.copy() obj.Placement = pl for prop in [ "Length", "Width", "Height", "Thickness", "Area", "PerimeterLength", "HorizontalArea", "VerticalArea", ]: if hasattr(obj, prop) and hasattr(obj.CloneOf, prop): setattr(obj, prop, getattr(obj.CloneOf, prop)) return True return False def getSiblings(self, obj): """Find objects that have the same Base object, and type. Look to base object, and find other objects that are based off this base object. If these objects are the same type, return them. Parameters ---------- obj: The component object. Returns ------- list of List of objects that have the same Base and type as this component. """ if not hasattr(obj, "Base"): return [] if not obj.Base: return [] siblings = [] for o in obj.Base.InList: if hasattr(o, "Base"): if o.Base: if o.Base.Name == obj.Base.Name: if o.Name != obj.Name: if Draft.getType(o) == Draft.getType(obj): siblings.append(o) return siblings def getExtrusionData(self, obj): """Get the object's extrusion data. Recursively scrape the Bases of the object, until a Base that is derived from a is found. From there, copy the extrusion to the (0,0,0) origin. With this copy, get the the shape was originally extruded from, the of the extrusion, and the needed to move the copy back to its original location/orientation. Return this data as a tuple. If an object derived from a is encountered, return this data as a tuple containing lists. The lists will contain the same data as above, from each of the objects within the multifuse. Parameters ---------- obj: The component object. Returns ------- tuple Tuple containing: 1) The the object was extruded from. 2) The of the extrusion. 3) The of the extrusion. """ if hasattr(obj, "CloneOf"): if obj.CloneOf: if hasattr(obj.CloneOf, "Proxy"): if hasattr(obj.CloneOf.Proxy, "getExtrusionData"): data = obj.CloneOf.Proxy.getExtrusionData(obj.CloneOf) if data: return data if obj.Base: # the base is another arch object which can provide extrusion data if ( hasattr(obj.Base, "Proxy") and hasattr(obj.Base.Proxy, "getExtrusionData") and (not obj.Additions) and (not obj.Subtractions) ): if obj.Base.Base: if obj.Placement.Rotation.Angle < 0.0001: # if the final obj is rotated, this will screw all our IFC orientation. Better leave it like that then... data = obj.Base.Proxy.getExtrusionData(obj.Base) if data: return data # TODO above doesn't work if underlying shape is not at (0,0,0). But code below doesn't work well yet # add the displacement of the final object disp = obj.Shape.CenterOfMass.sub(obj.Base.Shape.CenterOfMass) if isinstance(data[2], (list, tuple)): ndata2 = [] for p in data[2]: p.move(disp) ndata2.append(p) return (data[0], data[1], ndata2) else: ndata2 = data[2] ndata2.move(disp) return (data[0], data[1], ndata2) # the base is a Part Extrusion elif obj.Base.isDerivedFrom("Part::Extrusion"): if obj.Base.Base and len(obj.Base.Base.Shape.Wires) == 1: base, placement = self.rebase(obj.Base.Base.Shape) extrusion = FreeCAD.Vector(obj.Base.Dir).normalize() if extrusion.Length == 0: extrusion = FreeCAD.Vector(0, 0, 1) else: extrusion = placement.inverse().Rotation.multVec(extrusion) if hasattr(obj.Base, "LengthFwd"): if obj.Base.LengthFwd.Value: extrusion = extrusion.multiply(obj.Base.LengthFwd.Value) if not self.isIdentity(obj.Base.Placement): placement = placement.multiply(obj.Base.Placement) return (base, extrusion, placement) elif obj.Base.isDerivedFrom("Part::MultiFuse"): rshapes = [] revs = [] rpls = [] for sub in obj.Base.Shapes: if sub.isDerivedFrom("Part::Extrusion"): if sub.Base: base, placement = self.rebase(sub.Base.Shape) extrusion = FreeCAD.Vector(sub.Dir).normalize() if extrusion.Length == 0: extrusion = FreeCAD.Vector(0, 0, 1) else: extrusion = placement.inverse().Rotation.multVec(extrusion) if hasattr(sub, "LengthFwd"): if sub.LengthFwd.Value: extrusion = extrusion.multiply(sub.LengthFwd.Value) placement = obj.Placement.multiply(placement) rshapes.append(base) revs.append(extrusion) rpls.append(placement) else: exdata = ArchCommands.getExtrusionData(sub.Shape) if exdata: base, placement = self.rebase(exdata[0]) extrusion = placement.inverse().Rotation.multVec(exdata[1]) placement = obj.Placement.multiply(placement) rshapes.append(base) revs.append(extrusion) rpls.append(placement) if rshapes and revs and rpls: return (rshapes, revs, rpls) return None def rebase(self, shape, hint=None): """Copy a shape to the (0,0,0) origin. Create a copy of a shape, such that its center of mass is in the (0,0,0) origin. TODO Determine the way the shape is rotated by this method. Return the copy of the shape, and the needed to move the copy back to its original location/orientation. Parameters ---------- shape: The shape to copy. hint: , optional If the angle between the normal vector of the shape, and the hint vector is greater than 90 degrees, the normal will be reversed before being rotated. """ import DraftGeomUtils # Get the object's center. if not isinstance(shape, list): shape = [shape] if hasattr(shape[0], "CenterOfMass"): v = shape[0].CenterOfMass else: v = shape[0].BoundBox.Center # Get the object's normal. n = DraftGeomUtils.getNormal(shape[0]) if (not n) or (not n.Length): n = FreeCAD.Vector(0, 0, 1) # Reverse the normal if the hint vector and the normal vector have more # than a 90 degree angle between them. if hint and hint.getAngle(n) > 1.58: n = n.negative() r = FreeCAD.Rotation(FreeCAD.Vector(0, 0, 1), n) if round(abs(r.Angle), 8) == round(math.pi, 8): r = FreeCAD.Rotation() shapes = [] for s in shape: ## TODO use Part.Shape() instead? s = s.copy() s.translate(v.negative()) s.rotate(FreeCAD.Vector(0, 0, 0), r.Axis, math.degrees(-r.Angle)) shapes.append(s) p = FreeCAD.Placement() p.Base = v p.Rotation = r if len(shapes) == 1: return (shapes[0], p) else: return (shapes, p) def hideSubobjects(self, obj, prop): """Hides Additions and Subtractions of this Component when that list changes. Intended to be used in conjunction with the .onChanged() method, to access the property that has changed. When an object loses or gains an Addition, this method hides all Additions. When it gains or loses a Subtraction, this method hides all Subtractions. Does not effect objects of type Window, or clones of Windows. Parameters ---------- obj: The component object. prop: string The name of the property that has changed. """ if FreeCAD.GuiUp: if prop in ["Additions", "Subtractions"]: if hasattr(obj, prop): for o in getattr(obj, prop): if (Draft.getType(o) != "Window") and ( not Draft.isClone(o, "Window", True) ): if Draft.getType(obj) == "Wall": if Draft.getType(o) == "Roof": continue o.ViewObject.hide() elif prop in ["Mesh"]: if hasattr(obj, prop): o = getattr(obj, prop) if o: o.ViewObject.hide() def handleComponentRemoval(self, obj, subobject): """ Default handler for when a component is removed via the Task Panel. Subclasses can override this to provide special behavior. """ removeFromComponent(obj, subobject) def processSubShapes(self, obj, base, placement=None): """Add Additions and Subtractions to a base shape. If Additions exist, fuse them to the base shape. If no base is provided, just fuse other additions to the first addition. If Subtractions exist, cut them from the base shape. Roofs and Windows are treated uniquely, as they define their own Shape to subtract from parent shapes using their .getSubVolume() methods. TODO determine what the purpose of the placement argument is. Parameters ---------- obj: The component object. base: , optional The base shape to add Additions and Subtractions to. placement: , optional Prior to adding or subtracting subshapes, the of the subshapes are multiplied by the inverse of this parameter. Returns ------- The base shape, with the additions and subtractions performed. """ import Draft import Part # print("Processing subshapes of ",obj.Label, " : ",obj.Additions) if placement: if self.isIdentity(placement): placement = None else: placement = FreeCAD.Placement(placement) placement = placement.inverse() # treat additions for o in obj.Additions: # Arch Objects can have no Base, but Additions only # If there is no base/base isNull, 1st Addition becomes 'base', # placement should be treated as rest of Additions. # if not base: if not base or base.isNull(): if hasattr(o, "Shape"): base = Part.Shape(o.Shape) # base = o.Shape # Base is first Addition, treat placement as other Additions if placement: # see https://forum.freecad.org/viewtopic.php?p=579754#p579754 base.Placement = placement.multiply(base.Placement) else: # base.isNull() case grouped into if condition above, no need # if/else below. Remarked out 2025.9.2 # # if base.isNull(): # if hasattr(o,'Shape'): # base = o.Shape # else: # special case, both walls with coinciding endpoints import ArchWall js = ArchWall.mergeShapes(o, obj) if js: add = js.cut(base) if placement: # see https://forum.freecad.org/viewtopic.php?p=579754#p579754 add.Placement = placement.multiply(add.Placement) base = base.fuse(add) elif hasattr(o, "Shape"): if o.Shape and not o.Shape.isNull() and o.Shape.Solids: # TODO use Part.Shape() instead? s = o.Shape.copy() if placement: # see https://forum.freecad.org/viewtopic.php?p=579754#p579754 s.Placement = placement.multiply(s.Placement) if base: if base.Solids: try: base = base.fuse(s) except Part.OCCError: print( "Arch: unable to fuse object ", obj.Name, " with ", o.Name ) else: base = s # treat subtractions subs = obj.Subtractions for link in obj.InListRecursive: if hasattr(link, "Host"): if ( Draft.getType(link) != "Rebar" and link.Host == obj and not self._objectInInternalLinkgroup(link) ): subs.append(link) elif hasattr(link, "Hosts"): if obj in link.Hosts and not self._objectInInternalLinkgroup(link): subs.append(link) for o in subs: if base: if base.isNull(): base = None if base: subvolume = None if (Draft.getType(o.getLinkedObject()) == "Window") or ( Draft.isClone(o, "Window", True) ): # windows can be additions or subtractions, treated the same way subvolume = o.getLinkedObject().Proxy.getSubVolume( o, host=obj ) # pass host obj (mostly Wall) elif (Draft.getType(o) == "Roof") or (Draft.isClone(o, "Roof")): # roofs define their own special subtraction volume subvolume = o.Proxy.getSubVolume(o).copy() elif hasattr(o, "Subvolume") and hasattr(o.Subvolume, "Shape"): # Any other object with a Subvolume property ## TODO - Part.Shape() instead? subvolume = o.Subvolume.Shape.copy() if hasattr(o, "Placement"): # see https://forum.freecad.org/viewtopic.php?p=579754#p579754 subvolume.Placement = o.Placement.multiply(subvolume.Placement) if subvolume: if base.Solids and subvolume.Solids: if placement: # see https://forum.freecad.org/viewtopic.php?p=579754#p579754 subvolume.Placement = placement.multiply(subvolume.Placement) if len(base.Solids) > 1: base = Part.makeCompound([sol.cut(subvolume) for sol in base.Solids]) else: base = base.cut(subvolume) elif hasattr(o, "Shape"): # no subvolume, we subtract the whole shape if o.Shape: if not o.Shape.isNull(): if o.Shape.Solids and base.Solids: ## TODO use Part.Shape() instead? s = o.Shape.copy() if placement: # see https://forum.freecad.org/viewtopic.php?p=579754#p579754 s.Placement = placement.multiply(s.Placement) try: if len(base.Solids) > 1: base = Part.makeCompound( [sol.cut(s) for sol in base.Solids] ) else: base = base.cut(s) except Part.OCCError: print("Arch: unable to cut object ", o.Name, " from ", obj.Name) return base def spread(self, obj, shape, placement=None): """Copy the object to its Axis's points. If the object has the "Axis" property assigned, create a copy of the shape for each point on the object assigned as the "Axis". Translate each of these copies equal to the displacement of the points from the (0,0,0) origin. If the object's "Axis" is unassigned, return the original shape unchanged. Parameters ---------- obj: The component object. shape: The shape to copy. placement: Does nothing. Returns ------- The shape, either spread to the axis points, or unchanged. """ points = None if hasattr(obj, "Axis"): if obj.Axis: if hasattr(obj.Axis, "Proxy"): if hasattr(obj.Axis.Proxy, "getPoints"): points = obj.Axis.Proxy.getPoints(obj.Axis) if not points: if hasattr(obj.Axis, "Shape"): points = [v.Point for v in obj.Axis.Shape.Vertexes] if points: shps = [] for p in points: ## TODO use Part.Shape() instead? sh = shape.copy() sh.translate(p) shps.append(sh) import Part shape = Part.makeCompound(shps) return shape def isIdentity(self, placement): """Check if a placement is *almost* zero. Check if a 's displacement from (0,0,0) is almost zero, and if the angle of its rotation about its axis is almost zero. Parameters ---------- placement: The placement to examine. Returns ------- bool Returns true if angle and displacement are almost zero, false it otherwise. """ if (placement.Base.Length < 0.000001) and (placement.Rotation.Angle < 0.000001): return True return False def applyShape(self, obj, shape, placement, allowinvalid=False, allownosolid=False): """Check the given shape, then assign it to the object. Check if the shape is valid, isn't null, and if it has volume. Remove redundant edges from the shape. Spread the shape to the "Axis" with method .spread(). Set the object's Shape and Placement to the values given, if successful. Finally, run .computeAreas() method, to calculate the horizontal and vertical area of the shape. Parameters ---------- obj: The component object. shape: The shape to check and apply to the object. placement: The placement to apply to the object. allowinvalid: bool, optional Whether to allow invalid shapes, or to throw an error. allownosolid: bool, optional Whether to allow non-solid shapes, or to throw an error. """ if shape: if not shape.isNull(): if shape.isValid(): if shape.Solids: if shape.Volume < 0: shape.reverse() if shape.Volume < 0: FreeCAD.Console.PrintError( translate("Arch", "Error computing the shape of this object") + "\n" ) return import Part try: r = shape.removeSplitter() except Part.OCCError: pass else: shape = r p = self.spread( obj, shape, placement ).Placement.copy() # for some reason this gets zeroed in next line obj.Shape = self.spread(obj, shape, placement) if not self.isIdentity(placement): obj.Placement = placement else: obj.Placement = p else: if allownosolid: obj.Shape = self.spread(obj, shape, placement) if not self.isIdentity(placement): obj.Placement = placement else: FreeCAD.Console.PrintWarning( obj.Label + " " + translate("Arch", "has no solid") + "\n" ) else: if allowinvalid: obj.Shape = self.spread(obj, shape, placement) if not self.isIdentity(placement): obj.Placement = placement else: FreeCAD.Console.PrintWarning( obj.Label + " " + translate("Arch", "has an invalid shape") + "\n" ) else: FreeCAD.Console.PrintWarning( obj.Label + " " + translate("Arch", "has a null shape") + "\n" ) self.computeAreas(obj) def computeAreas(self, obj): """Compute the area properties of the object's shape. This function calculates and assigns the following properties to the object: - **VerticalArea**: The total area of all vertical faces of the object. - **HorizontalArea**: The area of the object's projection onto the XY plane. - **PerimeterLength**: The perimeter of the horizontal area. The function uses the `AreaCalculator` helper class to perform these calculations. Refer to that class for more details on the calculation. Parameters ---------- obj : App::FeaturePython The component object whose area properties are to be computed. """ calculator = AreaCalculator(obj) calculator.compute() def isStandardCase(self, obj): """Determine if the component is a standard case of its IFC type. Not all IFC types have a standard case. If an object is a standard case or not varies between the different types. Each type has its own rules to define what is a standard case. Rotated objects, or objects with Additions or Subtractions are not standard cases. All objects whose IfcType is suffixed with the string " Sandard Case" are automatically a standard case. Parameters ---------- obj: The component object. Returns ------- bool Whether the object is a standard case or not. """ # Standard Case has been set manually by the user if obj.IfcType.endswith("Standard Case"): return True # Try to guess if obj.IfcType + " Standard Case" in ArchIFC.IfcTypes: # this type has a standard case if obj.Additions or obj.Subtractions: return False if obj.Placement.Rotation.Axis.getAngle(FreeCAD.Vector(0, 0, 1)) > 0.01: # reject rotated objects return False if obj.CloneOf: return obj.CloneOf.Proxy.isStandardCase(obj.CloneOf) if obj.IfcType == "Wall": # rules: # - vertically extruded # - single baseline or no baseline if (not obj.Base) or (len(obj.Base.Shape.Edges) == 1): if hasattr(obj, "Normal"): if obj.Normal in [FreeCAD.Vector(0, 0, 0), FreeCAD.Vector(0, 0, 1)]: return True elif obj.IfcType in ["Beam", "Column", "Slab"]: # rules: # - have a single-wire profile or no profile # - extrusion direction is perpendicular to the profile if obj.Base and (len(obj.Base.Shape.Wires) != 1): return False if not hasattr(obj, "Normal"): return False if hasattr(obj, "Tool") and obj.Tool: return False if obj.Normal == FreeCAD.Vector(0, 0, 0): return True elif len(obj.Base.Shape.Wires) == 1: import DraftGeomUtils n = DraftGeomUtils.getNormal(obj.Base.Shape) if n: if (n.getAngle(obj.Normal) < 0.01) or ( abs(n.getAngle(obj.Normal) - 3.14159) < 0.01 ): return True # TODO: Support windows and doors # rules: # - must have a rectangular shape # - must have a host # - must be parallel to the host plane # - must have an IfcWindowType and IfcRelFillsElement (to be implemented in IFC exporter) return False def getHosts(self, obj): """Return the objects that have this one as host, that is, objects with a "Host" property pointing at this object, or a "Hosts" property containing this one. Returns ------- list of The BIM Structures hosting this component. """ hosts = [] for link in obj.InListRecursive: if hasattr(link, "Host"): if link.Host == obj and not self._objectInInternalLinkgroup(link): hosts.append(link) elif hasattr(link, "Hosts"): if obj in link.Hosts and not self._objectInInternalLinkgroup(link): hosts.append(link) return hosts def ensureBase(self, obj): """Returns False if the object has a Base but of the wrong type. Either returns True""" if getattr(obj, "Base", None): if obj.Base.isDerivedFrom("Part::Feature"): return True elif obj.Base.isDerivedFrom("Mesh::Feature"): return True else: import Part if isinstance(getattr(obj.Base, "Shape", None), Part.Shape): return True else: t = translate("Arch", "Wrong base type") FreeCAD.Console.PrintError(obj.Label + ": " + t + "\n") return False def _isInternalLinkgroup(self, obj): """Returns True if obj is an internal LinkGroup. Such a group is used to store hidden objects used for variant Links that should not be hosted.""" # based on code by bdm # https://forum.freecad.org/viewtopic.php?p=820487#p820428 if obj.TypeId != "App::LinkGroup": return False for inObj in obj.InList: if getattr(inObj, "LinkCopyOnChangeGroup", None) is obj: return True return False def _objectInInternalLinkgroup(self, obj): """Returns True if obj is a hidden object in an internal LinkGroup.""" for inObj in obj.InList: if self._isInternalLinkgroup(inObj): return True return False class AreaCalculator: """Helper class to compute vertical area, horizontal area, and perimeter length. This class encapsulates the logic for calculating the following properties: - **VerticalArea**: The total area of all vertical faces of the object. See the `isFaceVertical` method for the criteria used to determine vertical faces. - **HorizontalArea**: The area of the object's projection onto the XY plane. - **PerimeterLength**: The perimeter of the horizontal area. The class provides methods to validate the object's shape, identify vertical and horizontal faces, and compute the required properties. """ def __init__(self, obj): self.obj = obj def isShapeInvalid(self): """Check if the object's shape is invalid.""" return ( not self.obj.Shape or self.obj.Shape.isNull() or not self.obj.Shape.isValid() or not self.obj.Shape.Faces ) def tooManyFaces(self): """Check if the object's shape has too many faces to process.""" return len(self.obj.Shape.Faces) > params.get_param_arch("MaxComputeAreas") def resetAreas(self): """Reset the area properties of the object to zero. Generally called when there is an error. """ for prop in ["VerticalArea", "HorizontalArea", "PerimeterLength"]: setattr(self.obj, prop, 0) def isFaceVertical(self, face, face_index=None): """Determine if a face is vertical. A face is considered vertical if: - Its normal vector forms an angle close to 90 degrees with the Z-axis. - The projected face has an area of zero. Parameters ---------- face : Part.Face The face object to be checked. face_index : str, optional The face's 1-based index identifier, used for debugging error messages. Defaults to None. Notes ----- The check whether the projected face has an area of zero means that roof-like (sloped) and domed faces alike will not be counted as vertical faces. Vertically-extruded curved edges (for instance from a slab) will be classified as vertical and be counted. This is an improvement over the fix for https://github.com/FreeCAD/FreeCAD/issues/14687. """ import Part import DraftGeomUtils import TechDraw face_name = f" Face{face_index}" if face_index is not None else "" if face.Surface.TypeId == "Part::GeomCylinder": angle = face.Surface.Axis.getAngle(FreeCAD.Vector(0, 0, 1)) return self.isZeroAngle(angle) elif face.Surface.TypeId == "Part::GeomSurfaceOfExtrusion": angle = face.Surface.Direction.getAngle(FreeCAD.Vector(0, 0, 1)) return self.isZeroAngle(angle) elif face.Surface.TypeId == "Part::GeomPlane": projectedArea = 0 # dummy value, isRightAngle check is sufficient here elif face.findPlane() is not None: projectedArea = 0 # dummy value, idem else: try: edges = TechDraw.project(face, FreeCAD.Vector(0, 0, 1))[0].Edges wires = DraftGeomUtils.findWires(edges) if len(wires) == 1 and not wires[0].isClosed(): projectedArea = 0 else: projectedArea = Part.Face(wires).Area except Part.OCCError: FreeCAD.Console.PrintWarning( translate("Arch", f"Could not project face{face_name} from {self.obj.Label}\n") ) return False try: angle = face.normalAt(0, 0).getAngle(FreeCAD.Vector(0, 0, 1)) return self.isRightAngle(angle) and projectedArea < 0.0001 except Part.OCCError: FreeCAD.Console.PrintWarning( translate( "Arch", f"Could not determine if face{face_name} from {self.obj.Label}" " is vertical: normalAt() failed\n", ) ) return False def isRightAngle(self, angle): """Check if the angle is close to 90 degrees.""" return math.isclose(angle, math.pi / 2, abs_tol=0.0005) def isZeroAngle(self, angle): """Check if the angle is close to 0 or 180 degrees.""" if math.isclose(angle, 0, abs_tol=0.0005): return True return math.isclose(angle, math.pi, abs_tol=0.0005) def compute(self): """Compute the vertical area, horizontal area, and perimeter length. This method performs the following steps: 1. Identifies the object's vertical and horizontal faces. 2. Computes the total vertical area by adding areas of all vertical faces. 3. Projects horizontal faces onto the XY plane and computes their total horizontal area. 4. Computes the perimeter length of the horizontal area. The computed values are assigned to the object's properties: - VerticalArea - HorizontalArea - PerimeterLength """ if self.isShapeInvalid() or self.tooManyFaces(): self.resetAreas() return verticalArea = 0 horizontalAreaFaces = [] # Compute vertical area and collect faces to be projected for the horizontal area for i, face in enumerate(self.obj.Shape.Faces, start=1): if self.isFaceVertical(face, face_index=i): verticalArea += face.Area else: horizontalAreaFaces.append(face) # Update vertical area if hasattr(self.obj, "VerticalArea") and self.obj.VerticalArea.Value != verticalArea: self.obj.VerticalArea = verticalArea # Compute horizontal area and perimeter length if horizontalAreaFaces and hasattr(self.obj, "HorizontalArea"): self._computeHorizontalAreaAndPerimeter(horizontalAreaFaces) def _computeHorizontalAreaAndPerimeter(self, horizontalAreaFaces): """Compute the horizontal area and perimeter length. Projects the given faces onto the XY plane, fuses them, and calculates: - The total horizontal area. - The perimeter length of the fused horizontal area. Parameters ---------- horizontalAreaFaces: list of Part.Face The faces to process. """ import Part import TechDraw import DraftGeomUtils # In TechDraw edges longer than 9999.9 (ca. 10m) are considered 'crazy'. # See also Draft/draftobjects/hatch.py. param_grp = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/TechDraw/debug") if "allowCrazyEdge" not in param_grp.GetBools(): old_allow_crazy_edge = None else: old_allow_crazy_edge = param_grp.GetBool("allowCrazyEdge") param_grp.SetBool("allowCrazyEdge", True) direction = FreeCAD.Vector(0, 0, 1) projectedFaces = [] for face in horizontalAreaFaces: try: if face.findPlane() is None: if len(face.Wires) > 1: # Non-planar faces with holes are not handled properly FreeCAD.Console.PrintWarning( translate( "Arch", f"Error computing areas for {self.obj.Label}: unable to project " "non-planar faces with holes. Area values will be reset to 0.\n", ) ) self.resetAreas() return wire = TechDraw.findShapeOutline(face, 1, direction) projectedFace = Part.makeFace([wire], "Part::FaceMakerSimple") else: edges = TechDraw.project(face, direction)[0].Edges wires = DraftGeomUtils.findWires(edges) # Using "Part::FaceMakerCheese" as the face can have holes projectedFace = Part.makeFace(wires, "Part::FaceMakerCheese") # Part.show(projectedFace) projectedFaces.append(projectedFace) except Part.OCCError: FreeCAD.Console.PrintWarning( translate( "Arch", f"Error computing areas for {self.obj.Label}: unable to project or " f"make face with normal {face.normalAt(0, 0)}. " "Area values will be reset to 0.\n", ) ) self.resetAreas() return if old_allow_crazy_edge is None: param_grp.RemBool("allowCrazyEdge") else: param_grp.SetBool("allowCrazyEdge", old_allow_crazy_edge) if projectedFaces: fusedFace = projectedFaces.pop() for face in projectedFaces: fusedFace = fusedFace.fuse(face) fusedFace = fusedFace.removeSplitter() # Part.show(fusedFace) if self.obj.HorizontalArea.Value != fusedFace.Area: self.obj.HorizontalArea = fusedFace.Area if hasattr(self.obj, "PerimeterLength") and len(fusedFace.Faces) == 1: perimeterLength = fusedFace.Faces[0].OuterWire.Length if self.obj.PerimeterLength.Value != perimeterLength: self.obj.PerimeterLength = perimeterLength class ViewProviderComponent: """A default View Provider for Component objects. Acts as a base for all other Arch view providers. It's properties and behaviours are common to all Arch view providers. Parameters ---------- vobj: The view provider to turn into a component view provider. """ def __init__(self, vobj): vobj.Proxy = self self.Object = vobj.Object self.setProperties(vobj) def setProperties(self, vobj): """Give the component view provider its component view provider specific properties. You can learn more about properties here: https://wiki.freecad.org/property """ if not "UseMaterialColor" in vobj.PropertiesList: vobj.addProperty( "App::PropertyBool", "UseMaterialColor", "Component", QT_TRANSLATE_NOOP( "App::Property", "Use the material color as this object's shape color, if available", ), locked=True, ) vobj.UseMaterialColor = params.get_param_arch("UseMaterialColor") def updateData(self, obj, prop): """Method called when the host object has a property changed. If the object has a Material associated with it, match the view object's ShapeColor and Transparency to match the Material. If the object is now cloned, or is part of a compound, have the view object inherit the DiffuseColor. Parameters ---------- obj: The host object that has changed. prop: string The name of the property that has changed. """ # print(obj.Name," : updating ",prop) if prop == "Material": if obj.Material and getattr(obj.ViewObject, "UseMaterialColor", True): if hasattr(obj.Material, "Material"): if "DiffuseColor" in obj.Material.Material: c = tuple( [ float(f) for f in obj.Material.Material["DiffuseColor"] .strip("()") .strip("[]") .split(",") ] ) if obj.ViewObject.ShapeColor != c: obj.ViewObject.ShapeColor = c # Overwrite DiffuseColor (required if it does not match number of faces): if obj.ViewObject.DiffuseColor != [c]: obj.ViewObject.DiffuseColor = [c] if "Transparency" in obj.Material.Material: t = int(obj.Material.Material["Transparency"]) if obj.ViewObject.Transparency != t: obj.ViewObject.Transparency = t elif prop == "Shape": if obj.Base: if obj.Base.isDerivedFrom("Part::Compound"): if obj.ViewObject.DiffuseColor != obj.Base.ViewObject.DiffuseColor: if len(obj.Base.ViewObject.DiffuseColor) > 1: obj.ViewObject.DiffuseColor = obj.Base.ViewObject.DiffuseColor obj.ViewObject.update() elif prop == "CloneOf": if obj.CloneOf: if (not getattr(obj, "Material", None)) and hasattr( obj.CloneOf.ViewObject, "DiffuseColor" ): if obj.ViewObject.DiffuseColor != obj.CloneOf.ViewObject.DiffuseColor: if len(obj.CloneOf.ViewObject.DiffuseColor) > 1: obj.ViewObject.DiffuseColor = obj.CloneOf.ViewObject.DiffuseColor obj.ViewObject.update() return def getIcon(self): """Return the path to the appropriate icon. If a clone, return the cloned component icon path. Otherwise return the Arch Component icon. Returns ------- str Path to the appropriate icon .svg file. """ import Arch_rc if hasattr(self, "Object"): if hasattr(self.Object, "CloneOf"): if self.Object.CloneOf: return ":/icons/Arch_Component_Clone.svg" return ":/icons/Arch_Component_Tree.svg" def onChanged(self, vobj, prop): """Method called when the view provider has a property changed. If DiffuseColor changes, change DiffuseColor to copy the host object's clone, if it exists. If ShapeColor changes, overwrite it with DiffuseColor. If Visibility changes, propagate the change to all view objects that are also hosted by this view object's host. Parameters ---------- vobj: The component's view provider object. prop: string The name of the property that has changed. """ obj = vobj.Object if prop == "DiffuseColor": if hasattr(obj, "CloneOf"): if obj.CloneOf and hasattr(obj.CloneOf, "DiffuseColor"): if len(obj.CloneOf.ViewObject.DiffuseColor) > 1: if vobj.DiffuseColor != obj.CloneOf.ViewObject.DiffuseColor: vobj.DiffuseColor = obj.CloneOf.ViewObject.DiffuseColor vobj.update() elif prop == "ShapeColor": # restore DiffuseColor after overridden by ShapeColor if hasattr(vobj, "DiffuseColor"): if len(vobj.DiffuseColor) > 1: d = vobj.DiffuseColor vobj.DiffuseColor = d elif prop == "Visibility": # do nothing if object is an addition if not [parent for parent in obj.InList if obj in getattr(parent, "Additions", [])]: hostedObjs = obj.Proxy.getHosts(obj) # add objects hosted by additions for addition in getattr(obj, "Additions", []): if hasattr(addition, "Proxy") and hasattr(addition.Proxy, "getHosts"): hostedObjs.extend(addition.Proxy.getHosts(addition)) for hostedObj in hostedObjs: if hasattr(hostedObj, "ViewObject"): hostedObj.ViewObject.Visibility = vobj.Visibility return def attach(self, vobj): """Add display modes' data to the coin scenegraph. Add each display mode as a coin node, whose parent is this view provider. Each display mode's node includes the data needed to display the object in that mode. This might include colors of faces, or the draw style of lines. This data is stored as additional coin nodes which are children of the display mode node. Add the HiRes display mode. Parameters ---------- vobj: The component's view provider object. """ from pivy import coin self.Object = vobj.Object self.hiresgroup = coin.SoSeparator() self.meshcolor = coin.SoBaseColor() self.hiresgroup.addChild(self.meshcolor) self.hiresgroup.setName("HiRes") vobj.addDisplayMode(self.hiresgroup, "HiRes") return def getDisplayModes(self, vobj): """Define the display modes unique to the Arch Component. Define mode HiRes, which displays the component as a mesh, intended as a more visually appealing version of the component. Parameters ---------- vobj: The component's view provider object. Returns ------- list of str List containing the names of the new display modes. """ modes = ["HiRes"] return modes def setDisplayMode(self, mode): """Method called when the display mode changes. Called when the display mode changes, this method can be used to set data that wasn't available when .attach() was called. When HiRes is set as display mode, display the component as a copy of the mesh associated as the HiRes property of the host object. See ArchComponent.Component's properties. If no shape is set in the HiRes property, just display the object as the Flat Lines display mode. Parameters ---------- vobj: The component's view provider object. mode: str The name of the display mode the view provider has switched to. Returns ------- str: The name of the display mode the view provider has switched to. """ if hasattr(self, "meshnode"): if self.meshnode: self.hiresgroup.removeChild(self.meshnode) del self.meshnode if mode == "HiRes": from pivy import coin m = None if hasattr(self, "Object"): if hasattr(self.Object, "HiRes"): if self.Object.HiRes: # if the file was recently loaded, the node is not present yet self.Object.HiRes.ViewObject.show() self.Object.HiRes.ViewObject.hide() m = self.Object.HiRes.ViewObject.RootNode if not m: if hasattr(self.Object, "CloneOf"): if self.Object.CloneOf: if hasattr(self.Object.CloneOf, "HiRes"): if self.Object.CloneOf.HiRes: # if the file was recently loaded, the node is not present yet self.Object.CloneOf.HiRes.ViewObject.show() self.Object.CloneOf.HiRes.ViewObject.hide() m = self.Object.CloneOf.HiRes.ViewObject.RootNode if m: self.meshnode = m.copy() for c in self.meshnode.getChildren(): # switch the first found SoSwitch on if isinstance(c, coin.SoSwitch): num = 0 if c.getNumChildren() > 0: if c.getChild(0).getName() == "HiRes": num = 1 # print "getting node ",num," for ",self.Object.Label c.whichChild = num break self.hiresgroup.addChild(self.meshnode) else: return "Flat Lines" return mode def dumps(self): return None def loads(self, state): return None def claimChildren(self): """Define which objects will appear as children in the tree view. Set the host object's Base object as a child, and set any additions or subtractions as children. Parameters ---------- vobj: The component's view provider object. Returns ------- list of s: The objects claimed as children. """ if hasattr(self, "Object"): c = [] if hasattr(self.Object, "Base"): if not ( Draft.getType(self.Object) == "Wall" and Draft.getType(self.Object.Base) == "Space" ): c = [self.Object.Base] if hasattr(self.Object, "Additions"): c.extend(self.Object.Additions) if hasattr(self.Object, "Subtractions"): for s in self.Object.Subtractions: if Draft.getType(self.Object) == "Wall": if Draft.getType(s) == "Roof": continue c.append(s) for link in ["Armatures", "Group"]: if hasattr(self.Object, link): objlink = getattr(self.Object, link) c.extend(objlink) for link in ["Tool", "Subvolume", "Mesh", "HiRes"]: if hasattr(self.Object, link): objlink = getattr(self.Object, link) if objlink: c.append(objlink) if params.get_param_arch("ClaimHosted"): for link in self.Object.Proxy.getHosts(self.Object): c.append(link) return c return [] def setEdit(self, vobj, mode): if mode != 0: return None taskd = ComponentTaskPanel() taskd.obj = self.Object taskd.update() FreeCADGui.Control.showDialog(taskd) return True def unsetEdit(self, vobj, mode): if mode != 0: return None FreeCADGui.Control.closeDialog() return True def setupContextMenu(self, vobj, menu): """Add the component specific options to the context menu. The context menu is the drop down menu that opens when the user right clicks on the component in the tree view. Parameters ---------- vobj: The component's view provider object. menu: The context menu already assembled prior to this method being called. """ if FreeCADGui.activeWorkbench().name() != "BIMWorkbench": return self.contextMenuAddEdit(menu) self.contextMenuAddToggleSubcomponents(menu) def contextMenuAddEdit(self, menu): actionEdit = QtGui.QAction(translate("Arch", "Edit"), menu) QtCore.QObject.connect(actionEdit, QtCore.SIGNAL("triggered()"), self.edit) menu.addAction(actionEdit) def contextMenuAddToggleSubcomponents(self, menu): actionToggleSubcomponents = QtGui.QAction( QtGui.QIcon(":/icons/Arch_ToggleSubs.svg"), translate("Arch", "Toggle Subcomponents"), menu, ) QtCore.QObject.connect( actionToggleSubcomponents, QtCore.SIGNAL("triggered()"), self.toggleSubcomponents ) menu.addAction(actionToggleSubcomponents) def edit(self): FreeCADGui.ActiveDocument.setEdit(self.Object, 0) def toggleSubcomponents(self): FreeCADGui.runCommand("Arch_ToggleSubs") def areDifferentColors(self, a, b): """Check if two diffuse colors are almost the same. Parameters ---------- a: tuple The first DiffuseColor value to compare. a: tuple The second DiffuseColor value to compare. Returns ------- bool: True if colors are different, false if they are similar. """ if len(a) != len(b): return True for i in range(len(a)): if abs(sum(a[i]) - sum(b[i])) > 0.00001: return True return False def colorize(self, obj, force=False): """If an object is a clone, set it to copy the color of its parent. Only change the color of the clone if the clone and its parent have colors that are distinguishably different from each other. Parameters ---------- obj: The object to change the color of. force: bool If true, forces the colourisation even if the two objects have very similar colors. """ if obj.CloneOf: if ( self.areDifferentColors( obj.ViewObject.DiffuseColor, obj.CloneOf.ViewObject.DiffuseColor ) or force ): obj.ViewObject.DiffuseColor = obj.CloneOf.ViewObject.DiffuseColor class ArchSelectionObserver: """Selection observer used throughout the Arch module. When a nextCommand is specified, the observer fires a Gui command when anything is selected. When a watched object is specified, the observer will only fire when this watched object is selected. TODO: This could probably use a rework. Most of the functionality isn't used. It does not work correctly to reset the appearance of parent object in ComponentTaskPanel.editObject(), for example. Parameters ---------- watched: , optional If no watched value is provided, functionality relating to origin and hide parameters will not occur. Only the nextCommand will fire. When a watched value is provided, the selection observer will only fire when the watched object has been selected. hide: bool Sets if the watched object should be hidden. origin: Qt object the user has selected in the tree widget. """ if not wid.parent(): self.delButton.setEnabled(False) if self.obj: sel = FreeCADGui.Selection.getSelection() if sel: if not (self.obj in sel): self.addButton.setEnabled(True) else: self.delButton.setEnabled(True) self.addButton.setEnabled(False) def getIcon(self, obj): """Get the path to the icons, of the items that fill the tree widget. Parameters --------- obj: The object being edited. """ if hasattr(obj.ViewObject, "Proxy"): if hasattr(obj.ViewObject.Proxy, "getIcon"): return QtGui.QIcon(obj.ViewObject.Proxy.getIcon()) elif obj.isDerivedFrom("Sketcher::SketchObject"): return QtGui.QIcon(":/icons/Sketcher_Sketch.svg") elif obj.isDerivedFrom("App::DocumentObjectGroup"): return QtGui.QApplication.style().standardIcon(QtGui.QStyle.SP_DirIcon) elif hasattr(obj.ViewObject, "Icon"): return QtGui.QIcon(obj.ViewObject.Icon) return QtGui.QIcon(":/icons/Part_3D_object.svg") def update(self): """Populate the treewidget with its various items. Check if the object being edited has attributes relevant to subobjects. IE: Additions, Subtractions, etc. Populate the tree with these subobjects, under folders named after the attributes they are listed in. Finally, run method .retranslateUi(). """ self.tree.clear() dirIcon = QtGui.QApplication.style().standardIcon(QtGui.QStyle.SP_DirIcon) for a in self.attribs: setattr(self, "tree" + a, QtGui.QTreeWidgetItem(self.tree)) c = getattr(self, "tree" + a) c.setIcon(0, dirIcon) c.ChildIndicatorPolicy = 2 if self.obj: if not hasattr(self.obj, a): c.setHidden(True) else: c.setHidden(True) if self.obj: for attrib in self.attribs: if hasattr(self.obj, attrib): Oattrib = getattr(self.obj, attrib) Tattrib = getattr(self, "tree" + attrib) if Oattrib: if attrib == "Base": Oattrib = [Oattrib] for o in Oattrib: item = QtGui.QTreeWidgetItem() item.setText(0, o.Label) item.setToolTip(0, o.Name) item.setIcon(0, self.getIcon(o)) Tattrib.addChild(item) self.tree.expandItem(Tattrib) if hasattr(self.obj, "IfcProperties"): if isinstance(self.obj.IfcProperties, dict): self.ifcButton.show() self.retranslateUi(self.baseform) def addElement(self): """This method is run as a callback when the user selects the add button. Get the object selected in the 3D view, and get the attribute folder selected in the tree widget. Add the object selected in the 3D view to the attribute associated with the selected folder, by using function addToComponent(). """ it = self.tree.currentItem() if it: mod = None for a in self.attribs: if it.text(0) == getattr(self, "tree" + a).text(0): mod = a for o in FreeCADGui.Selection.getSelection(): addToComponent(self.obj, o, mod) self.update() def removeElement(self): """ This method is run as a callback when the user selects the remove button. It calls a handler on the object's proxy to perform the removal. """ element_selected = self.tree.currentItem() if not element_selected: return element_to_remove = FreeCAD.ActiveDocument.getObject(str(element_selected.toolTip(0))) # Call the polymorphic handler on the object's proxy. # This is generic and works for any Arch object. if hasattr(self.obj.Proxy, "handleComponentRemoval"): self.obj.Proxy.handleComponentRemoval(self.obj, element_to_remove) else: # Fallback for older proxies that might not have the method removeFromComponent(self.obj, element_to_remove) self.update() def accept(self): """This method runs as a callback when the user selects the ok button. Recomputes the document, and leave edit mode. """ FreeCAD.ActiveDocument.recompute() FreeCADGui.ActiveDocument.resetEdit() return True def editObject(self, wid, col): """This method is run when the user double clicks on an item in the tree widget. If the item in the tree has a corresponding object in the document, enter edit mode for that associated object. At the same time, make the object this task panel was opened for transparent and unselectable. Parameters ---------- wid: Qt object the user has selected in the tree widget. """ if wid.parent(): obj = FreeCAD.ActiveDocument.getObject(str(wid.toolTip(0))) if obj: self.obj.ViewObject.Transparency = 80 self.obj.ViewObject.Selectable = False obj.ViewObject.show() self.accept() if obj.isDerivedFrom("Sketcher::SketchObject"): FreeCADGui.activateWorkbench("SketcherWorkbench") FreeCAD.ArchObserver = ArchSelectionObserver(self.obj, obj) FreeCADGui.Selection.addObserver(FreeCAD.ArchObserver) FreeCADGui.ActiveDocument.setEdit(obj.Name, 0) def retranslateUi(self, TaskPanel): """Add the text of the task panel, in translated form.""" self.baseform.setWindowTitle(QtGui.QApplication.translate("Arch", "Component", None)) self.delButton.setText(QtGui.QApplication.translate("Arch", "Remove", None)) self.addButton.setText(QtGui.QApplication.translate("Arch", "Add", None)) self.title.setText(QtGui.QApplication.translate("Arch", "Components of This Object", None)) self.treeBase.setText(0, QtGui.QApplication.translate("Arch", "Base component", None)) self.treeAdditions.setText(0, QtGui.QApplication.translate("Arch", "Additions", None)) self.treeSubtractions.setText(0, QtGui.QApplication.translate("Arch", "Subtractions", None)) self.treeObjects.setText(0, QtGui.QApplication.translate("Arch", "Objects", None)) self.treeAxes.setText(0, QtGui.QApplication.translate("Arch", "Axes", None)) self.treeComponents.setText(0, QtGui.QApplication.translate("Arch", "Components", None)) self.treeFixtures.setText(0, QtGui.QApplication.translate("Arch", "Fixtures", None)) self.treeGroup.setText(0, QtGui.QApplication.translate("Arch", "Group", None)) self.treeHosts.setText(0, QtGui.QApplication.translate("Arch", "Hosts", None)) self.ifcButton.setText(QtGui.QApplication.translate("Arch", "Edit IFC Properties", None)) self.classButton.setText(QtGui.QApplication.translate("Arch", "Edit Standard Code", None)) def editIfcProperties(self): """Open the IFC editor dialog box. This is the method that runs as a callback when the Edit IFC properties button is selected by the user. Defines the editor's structure, fill it with data, add a callback for the buttons and other interactions, and show it. """ if hasattr(self, "ifcEditor"): if self.ifcEditor: self.ifcEditor.hide() del self.ifcEditor if not self.obj: return if not hasattr(self.obj, "IfcProperties"): return if not isinstance(self.obj.IfcProperties, dict): return import csv import os import Arch_rc import ArchIFCSchema # get presets self.ptypes = list(ArchIFCSchema.IfcTypes) self.plabels = [ "".join(map(lambda x: x if x.islower() else " " + x, t[3:]))[1:] for t in self.ptypes ] self.psetdefs = {} psetspath = os.path.join( FreeCAD.getResourceDir(), "Mod", "Arch", "Presets", "pset_definitions.csv" ) if os.path.exists(psetspath): with open(psetspath, "r") as csvfile: reader = csv.reader(csvfile, delimiter=";") for row in reader: self.psetdefs[row[0]] = row[1:] self.psetkeys = [ "".join(map(lambda x: x if x.islower() else " " + x, t[5:]))[1:] for t in self.psetdefs.keys() ] self.psetkeys.sort() self.ifcEditor = FreeCADGui.PySideUic.loadUi(":/ui/dialogIfcPropertiesRedux.ui") # center the dialog over FreeCAD window mw = FreeCADGui.getMainWindow() self.ifcEditor.move( mw.frameGeometry().topLeft() + mw.rect().center() - self.ifcEditor.rect().center() ) self.ifcModel = QtGui.QStandardItemModel() self.ifcEditor.treeProperties.setModel(self.ifcModel) # self.ifcEditor.treeProperties.setDragDropMode(QtGui.QAbstractItemView.InternalMove) self.ifcEditor.treeProperties.setUniformRowHeights(True) self.ifcEditor.treeProperties.setItemDelegate( IfcEditorDelegate(dialog=self, ptypes=self.ptypes, plabels=self.plabels) ) self.ifcModel.setHorizontalHeaderLabels( [ QtGui.QApplication.translate("Arch", "Property", None), QtGui.QApplication.translate("Arch", "Type", None), QtGui.QApplication.translate("Arch", "Value", None), ] ) # set combos self.ifcEditor.comboProperty.addItems( [QtGui.QApplication.translate("Arch", "Add property", None)] + self.plabels ) self.ifcEditor.comboPset.addItems( [ QtGui.QApplication.translate("Arch", "Add property set", None), QtGui.QApplication.translate("Arch", "New...", None), ] + self.psetkeys ) # set UUID if "IfcUID" in self.obj.IfcData: self.ifcEditor.labelUUID.setText(self.obj.IfcData["IfcUID"]) # fill the tree psets = {} for pname, value in self.obj.IfcProperties.items(): # properties in IfcProperties dict are stored as "key":"pset;;type;;value" or "key":"type;;value" value = value.split(";;") if len(value) == 3: pset = value[0] ptype = value[1] pvalue = value[2] elif len(value) == 2: pset = "Default property set" ptype = value[0] pvalue = value[1] else: continue plabel = ptype if ptype in self.ptypes: plabel = self.plabels[self.ptypes.index(ptype)] psets.setdefault(pset, []).append([pname, plabel, pvalue]) for pset, plists in psets.items(): top = QtGui.QStandardItem(pset) top.setDragEnabled(False) top.setToolTip("PropertySet") self.ifcModel.appendRow([top, QtGui.QStandardItem(), QtGui.QStandardItem()]) for plist in plists: it1 = QtGui.QStandardItem(plist[0]) it1.setDropEnabled(False) it2 = QtGui.QStandardItem(plist[1]) it2.setDropEnabled(False) it3 = QtGui.QStandardItem(plist[2]) it3.setDropEnabled(False) top.appendRow([it1, it2, it3]) top.sortChildren(0) # span top levels idx = self.ifcModel.invisibleRootItem().index() for i in range(self.ifcModel.rowCount()): if self.ifcModel.item(i, 0).hasChildren(): self.ifcEditor.treeProperties.setFirstColumnSpanned(i, idx, True) self.ifcEditor.treeProperties.expandAll() # Add callbacks QtCore.QObject.connect( self.ifcEditor.buttonBox, QtCore.SIGNAL("accepted()"), self.acceptIfcProperties ) QtCore.QObject.connect( self.ifcEditor.comboProperty, QtCore.SIGNAL("currentIndexChanged(int)"), self.addIfcProperty, ) QtCore.QObject.connect( self.ifcEditor.comboPset, QtCore.SIGNAL("currentIndexChanged(int)"), self.addIfcPset ) QtCore.QObject.connect( self.ifcEditor.buttonDelete, QtCore.SIGNAL("clicked()"), self.removeIfcProperty ) self.ifcEditor.treeProperties.setSortingEnabled(True) # set checkboxes if "FlagForceBrep" in self.obj.IfcData: self.ifcEditor.checkBrep.setChecked(self.obj.IfcData["FlagForceBrep"] == "True") if "FlagParametric" in self.obj.IfcData: self.ifcEditor.checkParametric.setChecked(self.obj.IfcData["FlagParametric"] == "True") self.ifcEditor.show() def acceptIfcProperties(self): """This method runs as a callback when the user selects the ok button in the IFC editor. Scrape through the rows of the IFC editor's items, and compare them to the object being edited's .IfcData. If the two are different, change the object's .IfcData to match the editor's items. """ if hasattr(self, "ifcEditor") and self.ifcEditor: self.ifcEditor.hide() ifcdict = {} for row in range(self.ifcModel.rowCount()): pset = self.ifcModel.item(row, 0).text() if self.ifcModel.item(row, 0).hasChildren(): for childrow in range(self.ifcModel.item(row, 0).rowCount()): prop = self.ifcModel.item(row, 0).child(childrow, 0).text() ptype = self.ifcModel.item(row, 0).child(childrow, 1).text() if not ptype.startswith("Ifc"): ptype = self.ptypes[self.plabels.index(ptype)] pvalue = self.ifcModel.item(row, 0).child(childrow, 2).text() ifcdict[prop] = pset + ";;" + ptype + ";;" + pvalue ifcData = self.obj.IfcData ifcData["IfcUID"] = self.ifcEditor.labelUUID.text() ifcData["FlagForceBrep"] = str(self.ifcEditor.checkBrep.isChecked()) ifcData["FlagParametric"] = str(self.ifcEditor.checkParametric.isChecked()) if (ifcdict != self.obj.IfcProperties) or (ifcData != self.obj.IfcData): FreeCAD.ActiveDocument.openTransaction("Change Ifc Properties") if ifcdict != self.obj.IfcProperties: self.obj.IfcProperties = ifcdict if ifcData != self.obj.IfcData: self.obj.IfcData = ifcData FreeCAD.ActiveDocument.commitTransaction() del self.ifcEditor def addIfcProperty(self, idx=0, pset=None, prop=None, ptype=None): """Add an IFC property to the object, within the IFC editor. This method runs as a callback when the user selects an option in the Add Property dropdown box in the IFC editor. When used via the dropdown, it adds a property with the property type selected in the dropdown. This method can also be run standalone, outside its function as a callback. Unless otherwise specified, the property will be called "New property". The property will have no value assigned. Parameters ---------- idx: int, optional The index number of the property type selected in the dropdown. If idx is not specified, the property's type must be specified in the ptype parameter. pset: str, optional The name of the property set this property will be assigned to. If not provided, the pset will be determined by which property set has been selected within the IFC editor widget. prop: str, optional The name of the property to be created. If left blank, will be set to "New Property". ptype: str, optional The name of the property type the new property will be set as. If not specified, the property's type will be determined using the idx parameter. """ if hasattr(self, "ifcEditor") and self.ifcEditor: if not pset: sel = self.ifcEditor.treeProperties.selectedIndexes() if sel: item = self.ifcModel.itemFromIndex(sel[0]) if item.toolTip() == "PropertySet": pset = item if pset: if not prop: prop = QtGui.QApplication.translate("Arch", "New property", None) if not ptype: if idx > 0: ptype = self.plabels[idx - 1] if prop and ptype: if ptype in self.ptypes: ptype = self.plabels[self.ptypes.index(ptype)] it1 = QtGui.QStandardItem(prop) it1.setDropEnabled(False) it2 = QtGui.QStandardItem(ptype) it2.setDropEnabled(False) it3 = QtGui.QStandardItem() it3.setDropEnabled(False) pset.appendRow([it1, it2, it3]) if idx != 0: self.ifcEditor.comboProperty.setCurrentIndex(0) def addIfcPset(self, idx=0): """Add an IFC property set to the object, within the IFC editor. This method runs as a callback when the user selects a property set within the Add property set dropdown. Add the property set selected in the dropdown, then check the property set definitions for the property set's standard properties, and add them with blank values to the new property set. Parameters ---------- idx: int The index of the options selected from the Add property set dropdown. """ if hasattr(self, "ifcEditor") and self.ifcEditor: if idx == 1: top = QtGui.QStandardItem( QtGui.QApplication.translate("Arch", "New property set", None) ) top.setDragEnabled(False) top.setToolTip("PropertySet") self.ifcModel.appendRow([top, QtGui.QStandardItem(), QtGui.QStandardItem()]) elif idx > 1: psetlabel = self.psetkeys[idx - 2] psetdef = "Pset_" + psetlabel.replace(" ", "") if psetdef in self.psetdefs: top = QtGui.QStandardItem(psetdef) top.setDragEnabled(False) top.setToolTip("PropertySet") self.ifcModel.appendRow([top, QtGui.QStandardItem(), QtGui.QStandardItem()]) for i in range(0, len(self.psetdefs[psetdef]), 2): self.addIfcProperty( pset=top, prop=self.psetdefs[psetdef][i], ptype=self.psetdefs[psetdef][i + 1], ) if idx != 0: # span top levels idx = self.ifcModel.invisibleRootItem().index() for i in range(self.ifcModel.rowCount()): if self.ifcModel.item(i, 0).hasChildren(): self.ifcEditor.treeProperties.setFirstColumnSpanned(i, idx, True) self.ifcEditor.treeProperties.expandAll() self.ifcEditor.comboPset.setCurrentIndex(0) def removeIfcProperty(self): """Remove an IFC property or property set from the object, within the IFC editor. This method runs as a callback when the user selects the Delete selected property/set button within the IFC editor. Find the selected property, and delete it. If it's a property set, delete the children properties as well. """ if hasattr(self, "ifcEditor") and self.ifcEditor: sel = self.ifcEditor.treeProperties.selectedIndexes() if sel: if self.ifcModel.itemFromIndex(sel[0]).toolTip() == "PropertySet": self.ifcModel.takeRow(sel[0].row()) else: pset = self.ifcModel.itemFromIndex(sel[0].parent()) pset.takeRow(sel[0].row()) def editClass(self): """Simple wrapper for BIM_Classification Gui command. This method is called when the Edit class button is selected in the IFC editor. It relies on the presence of the BIM module. """ FreeCADGui.Selection.clearSelection() FreeCADGui.Selection.addSelection(self.obj) FreeCADGui.runCommand("BIM_Classification") if FreeCAD.GuiUp: class IfcEditorDelegate(QtGui.QStyledItemDelegate): """This class manages the editing of the individual table cells in the IFC editor. Parameters ---------- parent: Unclear. dialog: The dialog box this delegate was created in. ptypes: list of str A list of the names of IFC property types. plables: list of str A list of the human readable names of IFC property types. """ def __init__(self, parent=None, dialog=None, ptypes=[], plabels=[], *args): self.dialog = dialog QtGui.QStyledItemDelegate.__init__(self, parent, *args) self.ptypes = ptypes self.plabels = plabels def createEditor(self, parent, option, index): """Return the widget used to change data. Return a text line editor if editing the property name. Return a dropdown to change property type if editing property type. If editing the property's value, return an appropriate widget depending on the datatype of the value. Parameters ---------- parent: The table cell that is being edited. option: Unused? index: The index object of the table of the IFC editor. Returns ------- The editor widget this method has created. """ if index.column() == 0: # property name editor = QtGui.QLineEdit(parent) elif index.column() == 1: # property type editor = QtGui.QComboBox(parent) else: # property value ptype = index.sibling(index.row(), 1).data() if "Integer" in ptype: editor = QtGui.QSpinBox(parent) elif "Real" in ptype: editor = QtGui.QDoubleSpinBox(parent) editor.setDecimals(params.get_param("Decimals", path="Units")) elif ("Boolean" in ptype) or ("Logical" in ptype): editor = QtGui.QComboBox(parent) editor.addItems(["True", "False"]) elif "Measure" in ptype: editor = FreeCADGui.UiLoader().createWidget("Gui::InputField") editor.setParent(parent) else: editor = QtGui.QLineEdit(parent) editor.setObjectName("editor_" + ptype) return editor def setEditorData(self, editor, index): """Give data to the edit widget. Extract the data already present in the table, and write it to the editor. This means the user starts the editor with their previous data already present, instead of a blank slate. Parameters ---------- editor: The editor widget. index: The index object of the table, of the IFC editor """ if index.column() == 0: editor.setText(index.data()) elif index.column() == 1: editor.addItems(self.plabels) if index.data() in self.plabels: idx = self.plabels.index(index.data()) editor.setCurrentIndex(idx) else: if "Integer" in editor.objectName(): try: editor.setValue(int(index.data())) except Exception: editor.setValue(0) elif "Real" in editor.objectName(): try: editor.setValue(float(index.data())) except Exception: editor.setValue(0) elif ("Boolean" in editor.objectName()) or ("Logical" in editor.objectName()): try: editor.setCurrentIndex(["true", "false"].index(index.data().lower())) except Exception: editor.setCurrentIndex(1) elif "Measure" in editor.objectName(): try: editor.setText(index.data()) except Exception: editor.setValue(0) else: editor.setText(index.data()) def setModelData(self, editor, model, index): """Write the data in the editor to the IFC editor's table. Parameters ---------- editor: The editor widget. model: The table object of the IFC editor. index: The index object of the table, of the IFC editor """ if index.column() == 0: model.setData(index, editor.text()) elif index.column() == 1: if editor.currentIndex() > -1: idx = editor.currentIndex() data = self.plabels[idx] model.setData(index, data) else: if ("Integer" in editor.objectName()) or ("Real" in editor.objectName()): model.setData(index, str(editor.value())) elif ("Boolean" in editor.objectName()) or ("Logical" in editor.objectName()): model.setData(index, editor.currentText()) elif "Measure" in editor.objectName(): model.setData(index, editor.property("text")) else: model.setData(index, editor.text()) self.dialog.update()