def createFilter():
#this function displays all the parameters that can be added to filters
#uses 2 dicts and 1 user entry to setup the filter parameters
#returns the filter statement op(cat,val)
opDict={0:("!=",ne),1:("==",eq),2:("<",lt),3:("<=",le),4:(">=",ge),5:(">",gt)} #the operator dict (0) is the printable symbol (1) is the object
#cat: the category we filter by
#print out cat options
for key in Lift.memberDict.keys():
print "%s) %s"%(key,Lift.memberDict[key][0])
#user input for the category, selects the key for memberdict from the items in memTemp
(_cat,cat)=Lift.memberDict[optionValidate("Choose filter category",range(key+1))]
#op: The operator we use in our filtering eg: ==, >
for key in opDict.keys():
print "%s) %s"%(key,opDict[key][0])
#user input for the category, selects the key for opDict from the items in opTemp
(_op,op)=opDict[optionValidate("Choose filter category",range(key+1))]
#val: teh value we are evaluating towards
val=raw_input("%s %s "%(_cat,_op)).lower()
return condition(cat,val,op)
def hideCondition(self,hideNum):
#hides a specific condition, changing it to either blank, 0 or 1 depending on which has the least effect on the overall logic statement
#check if condition is the only 1
#check if the condition inter-relates with anything
#check if the condition is related by it's neighbor
if self.numCond==0:
#it's the only 1
self.condition={}
elif self.condition[hideNum][1]!="":
#there is an inter-relation, and=1, or=0
if self.condition[hideNum][1]==and_:
self.condition[hideNum][0]=condition(0,0,eq) #always true
else:
self.condition[hideNum][0]=condition(0,1,eq) #always false
else:
#there is a neighbor with an inter-relation, and=1, or=0
if self.condition[hideNum+1][1]==and_:
self.condition[hideNum][0]=condition(0,0,eq) #always true
else: self.condition[hideNum][0]=condition(0,1,eq) #always false
def createFilterW(cat,op,val):
#takes in values from the form, converts them into the 3 filter parameters
#print 'A'
opDict={"ne":ne,"eq":eq,"gt":gt,"lt":lt,'ge':ge,'le':le}
_op=opDict[op]
#print _op
_cat=Lift.memberDictW[cat]
#print _cat
#print val
return condition(_cat,val,_op)
