Table of Contents
_changedField ( record, fieldName, oldValue, newValue, )
Return newValue to allow change to proceed, oldValue to veto the change, or any other value to force that value to be used instead.
newValue
oldValue
_saveRecord ( record )
Write out any of record's dirty fields
isSubtypeOf ( otherType )
Return true if this type is a subtype of otherType
otherType