AttributeMappedText

CopyTextFromTarget CopyTextIntoTarget Validate

Attributes

Class AttributeMappedText defines no new attributes.

Fields

instance AttributeMappedText tag;
      textOwner: nilObject;
           text: nilObject;
dontObserveOffscreen: false;
dontObserveOnscreen: false;
  dontSetTarget: false;
 zeroValueBlank: false;
   setAttribute: false;
cacheMayBeWrong: false;
        useName: false;
      observing: false;
          dirty: false;
       refCount: 0;
         target: nilObject;
targetAttribute: nilOperation;
   templateText: nilObject;
        mapping: nilObject;
end instance;

Define Class AttributeMappedText;
    inherits from AttributeText;
    
    field templateText: Text;
    field mapping:      TextMapping;
    
    overrides CopyTextFromTarget;
        // returns an ephemeral copy of templateText after using mapping on it
        
    overrides CopyTextIntoTarget;
        // does nothing, so it doesn't matter how attribute text flags are set

#ifdef VALIDATE
    overrides Validate;
        // necessary because we allow an empty targetAttribute field, but our
        // parent class doens't
#endif
end class;