import FreeCADGui as Gui import FreeCAD as App class AHB_View_Annotate: updating_balloon = False def GetResources(self): return {"MenuText": "View/Annotate", "ToolTip": "Annotates a TechDraw view with object names", "Pixmap": "" } def IsActive(self): return True def Activated(self): workbench = Gui.getWorkbench("AssemblyHandbookWorkbench") workbench.docObserver.onObjectTypeChanged('view_annotate_balloon_changed', 'TechDraw::DrawViewBalloon', lambda obj, prop: self.onBalloonChanged(obj, prop)) workbench.docObserver.onObjectTypeSelected('view_annotate_balloon_selected', 'TechDraw::DrawViewBalloon', lambda operation, obj, sub, point: self.onBalloonSelected(operation, obj, sub, point)) doc = App.activeDocument() if len(Gui.Selection.getSelection()) != 1: raise Exception("Please select exactly one TechDraw view") view = Gui.Selection.getSelection()[0] if view.TypeId != 'TechDraw::DrawViewPart': raise Exception("Selected object is not a TechDraw view") page = self.getViewPage(view) if page is None: raise Exception("Can't find page in which the selected view is located") # Remove balloons referencing missing objects for balloon in page.Views: if balloon.TypeId == 'TechDraw::DrawViewBalloon' and "AssemblyHandbook_PartName" in balloon.PropertiesList: if balloon.SourceView != view: continue partLink = doc.getObject(balloon.AssemblyHandbook_PartName) if partLink is None or partLink not in view.XSource: print(balloon.Name + " references missing object " + balloon.AssemblyHandbook_PartName + ", removing balloon") doc.removeObject(balloon.Name) for partLink in view.XSource: balloon = None # Search an existing balloon to update for obj in page.Views: if obj.TypeId == 'TechDraw::DrawViewBalloon' and "AssemblyHandbook_PartName" in obj.PropertiesList and obj.AssemblyHandbook_PartName == partLink.Name: if obj.SourceView != view: continue balloon = obj # Create a new balloon if needed if balloon is None: balloon = App.ActiveDocument.addObject("TechDraw::DrawViewBalloon", "Balloon") balloon.SourceView = view balloon.addProperty("App::PropertyString", "AssemblyHandbook_PartName", "AssemblyHandbook") balloon.AssemblyHandbook_PartName = partLink.Name page.addView(balloon) self.updateBalloon(balloon) balloon.X = int(balloon.OriginX) + 20 balloon.Y = int(balloon.OriginY) + 20 else: self.updateBalloon(balloon) def onBalloonChanged(self, obj, prop): # Avoid reentry if self.updating_balloon: return #print('Balloon changed: ' + obj.Name + '.' + prop) if prop == 'Y' and "AssemblyHandbook_PartName" in obj.PropertiesList: self.updating_balloon = True self.updateBalloon(obj) self.updating_balloon = False def onBalloonSelected(self, operation, balloon, sub, point): import time #print(operation, obj.Name, sub, point) if "AssemblyHandbook_PartName" in balloon.PropertiesList: if operation == 'added': #print("Selected balloon of " + balloon.AssemblyHandbook_PartName) workbench = Gui.getWorkbench("AssemblyHandbookWorkbench") #: :type workbench: AssemblyHandbookWorkbench doc = balloon.Document view = balloon.SourceView page = self.getViewPage(view) partLink = doc.getObject(balloon.AssemblyHandbook_PartName) cache_edges_start_time = time.perf_counter() part_view = workbench.partsCache.getPart2DView(view, partLink) cache_edges_end_time = time.perf_counter() update_final_edges_start_time = time.perf_counter() # iterate edges of actual view and highlight matching edges center = self.computePartCenter(view, partLink) for edgeIdx in range(10000): hasEdge = False try: edge = view.getEdgeByIndex(edgeIdx) hasEdge = True except: pass if not hasEdge: break # reset edge format #view.formatGeometricEdge(edgeIdx,1,0.25,0,True) if not hasattr(edge.Curve, 'Degree') or edge.Curve.Degree == 1: edgeData = [ edge.Vertexes[0].X - center.x, edge.Vertexes[0].Y - center.y, edge.Vertexes[1].X - center.x, edge.Vertexes[1].Y - center.y ] v0 = App.Vector(edgeData[0], edgeData[1]) v1 = App.Vector(edgeData[2], edgeData[3]) for line in part_view.cached_lines: l0 = App.Vector(line[0], line[1]) l1 = App.Vector(line[2], line[3]) #d = abs(edgeData[0] - line[0]) + abs(edgeData[1] - line[1]) + abs(edgeData[2] - line[2]) + abs(edgeData[3] - line[3]) d = v0.distanceToLineSegment(l0, l1).Length + v1.distanceToLineSegment(l0, l1).Length if d < 0.001: view.formatGeometricEdge(edgeIdx,1,0.25,(0,0.85,0),True) view.requestPaint() update_final_edges_end_time = time.perf_counter() #print("Part render time: " + str(round((cache_edges_end_time - cache_edges_start_time) * 1000) / 1000) + "s") #print("Update view time: " + str(round((update_final_edges_end_time - update_final_edges_start_time) * 1000) / 1000) + "s") elif operation == 'removed': #print("Deselected balloon of " + balloon.AssemblyHandbook_PartName) view = balloon.SourceView # reset edges format for edgeIdx in range(10000): hasEdge = False try: edge = view.getEdgeByIndex(edgeIdx) hasEdge = True except: pass if not hasEdge: break view.formatGeometricEdge(edgeIdx,1,0.25,0,True) view.requestPaint() def updateBalloon(self, balloon): doc = App.activeDocument() view = balloon.SourceView obj = doc.getObject(balloon.AssemblyHandbook_PartName) objectCenterView = self.computePartCenter(view, obj) balloon.OriginX = objectCenterView.x balloon.OriginY = objectCenterView.y balloon.Text = obj.LinkedObject.Document.Name if obj.TypeId == 'App::Link' else obj.Name balloon.ViewObject.Font = 'DejaVu Sans' balloon.ViewObject.Fontsize = 4 balloon.BubbleShape = 'Inspection' balloon.EndTypeScale = 4 def getViewPage(self, view): for obj in view.InList: if obj.TypeId == 'TechDraw::DrawPage': if view in obj.Views: return obj return None def computePartCenter(self, view, obj): if obj.TypeId == 'App::Link': partLink = obj objectCenterWorld = partLink.LinkPlacement.Matrix.multiply(partLink.LinkedObject.Shape.CenterOfGravity) else: objectCenterWorld = obj.Shape.CenterOfGravity vertId = view.makeCosmeticVertex3d(objectCenterWorld) vert = view.getCosmeticVertex(vertId) objectCenterView = vert.Point view.removeCosmeticVertex(vertId) return objectCenterView from ahb_command import AHB_CommandWrapper AHB_CommandWrapper.addGuiCommand('AHB_view_annotate', AHB_View_Annotate())