Store component in an array re #6755

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>

Code/Mantid/scripts/Calibration/tube_spec.py

@@ -19,15 +19,17 @@ def __init__(self,ws):
         self.inst = ws.getInstrument()
         self.numTubes = 0
         self.specComponentArray = []
-        self.component = 0
+        self.component = 0  # NEXT STEP: Put self.component into array ##########
         self.minNumDetsInTube = 200 
         self.tubes = []
 
     def setTubeSpecByString(self, tubeSpecString ):
         """     
         Sets tube specification by string. The string specifies a component of the intrument
         as in the instrument tree of its IDF file. This component may contain one or more tubes
-        and possibly all the tunes in the instrument. 
+        and possibly all the tunes in the instrument.
+        If the tube specification is not empty this component is added to those already
+        in the specification. 
         
         @param tubeSpecString: string specifying tubes of a component of the instrument
         
@@ -88,7 +90,7 @@ def getNumTubes(self):
         if(self.numTubes >= 0):
             return self.numTubes
 
-        # We have a negative number set in self.numTubes, so we search for tubes	           
+        # We have a negative number set in self.numTubes, so we search for tubes
         comp = self.getComponent()
         if( comp == 0): 
             return self.numTubes