But testVar is only read-only to outside users - I still want to modify it within my class and have the changes broadcast to anyone that wants to bind to it!
Anyone? Nick. --- In [email protected], "Paul DeCoursey" <[EMAIL PROTECTED]> wrote: > > For read-only properties yu don't set them as Bindable > > "Because the data binding from a read-only property occurs only once > at application start up, you omit the [Bindable] metadata tag for the > read-only property." > > Paul > > --- In [email protected], "Tracy Spratt" <tspratt@> wrote: > > > > Don't implement the setter function? > > > > Tracy > > > > > > > > ________________________________ > > > > From: [email protected] [mailto:[EMAIL PROTECTED] On > > Behalf Of durnelln > > Sent: Wednesday, March 07, 2007 12:33 PM > > To: [email protected] > > Subject: [flexcoders] Databinding of a read only property > > > > > > > > Hi all, > > > > How do I make a read-only property bindable for users of my class? > > It sounds so simple but has me stumped at the moment. I'm sure there > > must be a simple solution but for the life of me I can't figure it > > out... > > > > E.g. say I have a property testProp which is maintained by my class > > and must not be publicly set-able from outside. I do however want > > outside users to be able to bind to testProp so that they receive > > notifications when it changes. > > > > An example of a read-only bindable property would be > > ArrayCollection.length. You can bind to this but cannot change it. > > How do I do the same thing with testProp? > > > > I tried... > > > > protected var _testVar:uint = 10; > > [Bindable] > > public function get testVar():uint > > { > > return _testVar + 1; > > } > > protected function set testVar(value:uint):void > > { > > _testVar = value; > > } > > > > ...hoping to hide the setter from the outside world but outside users > > CAN still change testProp with myClassInstance.testProp=10!! > > > > Thanks for your help, > > > > Nick. > > >
