fixed bugs for link branch

- App.Base.Vector2d has no "distance" method
- balloons were not treated as a group but one by one

ahb_cmd_view_annotate.py

@@ -69,12 +69,14 @@ class AHB_View_Annotate:
 					print(balloon.Name + " references missing object " + ref_name + ", removing balloon")
 					doc.removeObject(balloon.Name)
 		
+		balloonsCreated = []
 		for partLink in view.XSource:
-			balloonsCreated = workbench.techDrawExtensions.add_or_update_balloon(view, partLink, '')
+			balloonsCreated.extend(workbench.techDrawExtensions.add_or_update_balloon(view, partLink, ''))
+			
 		if len(balloonsCreated) > 0:
 			regroupedBalloons = self.RegroupNearestSimilarBalloons(balloonsCreated)
-				self.PlaceBalloonsInCircle(regroupedBalloons)
-				#self.PlaceBalloonsInCircle(balloonsCreated)
+			#self.PlaceBalloonsInCircle(regroupedBalloons)
+			self.PlaceBalloonsInCircle(balloonsCreated)
 	
 		workbench.techDrawExtensions.refreshOverlays(page)
 
@@ -86,13 +88,13 @@ class AHB_View_Annotate:
 			realBalloon = balloon[0] if type(balloon) is list else balloon
 			totalX = totalX + int(realBalloon.OriginX)
 			totalY = totalY + int(realBalloon.OriginY)
-		return App.Base.Vector2d(totalX / len(balloons), totalY / len(balloons))
+		return App.Vector(totalX / len(balloons), totalY / len(balloons))
 
 	def IsSimilarBalloonNear(self, balloonA, balloonB):
 		MAX_DISTANCE_BETWEEN_REGROUPED_BALLOONS = 50
 		if balloonA.Text == balloonB.Text:
-			pos = App.Base.Vector2d(balloonA.OriginX, balloonA.OriginY)
-			dist = pos.distance(App.Base.Vector2d(balloonB.OriginX, balloonB.OriginY))
+			pos = App.Vector(balloonA.OriginX, balloonA.OriginY)
+			dist = pos.distanceToPoint(App.Vector(balloonB.OriginX, balloonB.OriginY))
 			return dist < MAX_DISTANCE_BETWEEN_REGROUPED_BALLOONS
 		else:
 			return False
@@ -119,13 +121,13 @@ class AHB_View_Annotate:
 		for i in range(nbBalloons):
 			xPos = round(center.x + 600 * math.cos(balloonPosStep * i))
 			yPos = round(center.y + 600 * math.sin(balloonPosStep * i))
-			balloonPos = App.Base.Vector2d(xPos, yPos)
+			balloonPos = App.Vector(xPos, yPos)
 			# Find nearest arrow to avoid arrow crossing each other
 			smallestDistance = 0
 			balloonToUse = None
 			for balloon in balloons:
 				realBalloon = balloon[0] if type(balloon) is list else balloon
-				dist = balloonPos.distance(App.Base.Vector2d(realBalloon.OriginX, realBalloon.OriginY))
+				dist = balloonPos.distanceToPoint(App.Vector(realBalloon.OriginX, realBalloon.OriginY))
 				if smallestDistance == 0 or dist < smallestDistance:
 					smallestDistance = dist
 					balloonToUse = balloon