Nickolay - Joose-3.013

Documentation | Source
Joose.Managed.Property.MethodModifier.Augment = new Joose.Proto.Class('Joose.Managed.Property.MethodModifier.Augment', {
    
    isa : Joose.Managed.Property.MethodModifier,

    
    prepareWrapper : function (params) {
        
        var AUGMENT = function () {
            
            //populate callstack to the most deep non-augment method
            var callstack = []
            
            var self = AUGMENT
            
            do {
                callstack.push(self.IS_AUGMENT ? self._contain : self)
                
                self = self.IS_AUGMENT && (self._original || self.SUPER[self.methodName])
            } while (self)
            
            
            //save previous INNER
            var beforeINNER = this.INNER
            
            //create new INNER
            this.INNER = function () {
                var innerCall = callstack.pop()
                
                return innerCall ? innerCall.apply(this, arguments) : undefined
            }
            
            //augment modifier results in hypotetical INNER call of the same method in subclass 
            var res = this.INNER.apply(this, arguments)
            
            //restore previous INNER chain
            this.INNER = beforeINNER
            
            return res
        }
        
        AUGMENT.methodName  = params.name
        AUGMENT.SUPER       = params.superProto
        AUGMENT.IS_AUGMENT  = true
        
        return AUGMENT
    }
    
}).c