ことになっている => Plan, rule, decide N2
Information, Report
ところだった => About to… N3
Will, Decision, Doing
っこない => A is definitely not possible N2
Potential, Possibility
こととて => Because A N1
Reason, Result, Response
んだって => Hear that~ N3
Information, Report
てこそ => Now since A... N2
Reason, Result, Response
がっている => Want, like N4
Secondary Verb
にとって => As for A N3
Considering, Concerning
にあって => During time/situation A N1
Time, Situation
とあって => Because of A, B N1
Reason, Result, Response
がっている => Wants to A N3
Will, Decision, Doing
としたところで、としたって => Even from the perspective of A; Even in the case of A N1
Considering/ Concerning