Added possibility to render multiple pages in batch

ahb_cmd_view_refresh.py

@@ -4,7 +4,7 @@ import FreeCAD as App
 class AHB_RefreshView:
 	def GetResources(self):
 		return {"MenuText": "Refresh page (final quality)",
-				"ToolTip": "Redraws the current page",
+				"ToolTip": "Redraws the current page, or if one or more pages are selected, redraw all the selected pages",
 				"Pixmap": ""
 				}
 
@@ -14,6 +14,17 @@ class AHB_RefreshView:
 
 	def Activated(self):
 		workbench = Gui.getWorkbench("AssemblyHandbookWorkbench") #: :type workbench: AssemblyHandbookWorkbench
+		
+		selection = Gui.Selection.getSelection()
+		has_selected_pages = len(selection) > 0
+		for s in selection:
+			if s.TypeId != 'TechDraw::DrawPage':
+				has_selected_pages = False
+				
+		if has_selected_pages:
+			for page in selection:
+				workbench.techDrawExtensions.forceRedrawPage(page, fast_render = False)
+		else:
 			page = workbench.techDrawExtensions.getActivePage()
 			if page is not None:
 				workbench.techDrawExtensions.forceRedrawPage(page, fast_render = False)