Ha, looks like your name object was re-parented Gordon. :-) -TH
--- In flexcoders@yahoogroups.com, Maciek Sakrejda <[EMAIL PROTECTED]> wrote: > > Ah, that makes perfect sense. That's exactly the explanation I was > looking for. Thanks, Alex. > > -Maciek > > > -----Original Message----- > From: Gordon Smith <[EMAIL PROTECTED]> > Reply-To: flexcoders@yahoogroups.com > To: flexcoders@yahoogroups.com > Subject: RE: [flexcoders] UIComponents as Object keys and Re- parenting > Date: Wed, 28 May 2008 12:20:14 -0700 > > An Object stores key/value pairs where the key is a String. When you > write > > > > map[foo] = "foo"; > > > > the 'foo' object gets automatically converted to a String, via its > toString() method. UIComponents have a toString() method which produces > a string indicating their location in the DisplayObject hierarchy, and > this changes when you reparent a UIComponent. > > > > You probably want to use a Dictionary instead of an Object. A Dictionary > can store key/value pairs where the key can be an object and doesn't get > converted to a string. > > > > Gordon Smith > > Adobe Flex SDK Team > > > > > ______________________________________________________________________ __ > From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On > Behalf Of Maciek Sakrejda > Sent: Wednesday, May 28, 2008 10:19 AM > To: flexcoders > Subject: [flexcoders] UIComponents as Object keys and Re-parenting > > > > > I have a UIComponent (let's call it Foo) that extends Canvas. I'm trying > to track various instances of this in an Object, mapping each instance > to some String metadata. However, when I re-parent a Foo instance (by > adding it to a new container), or I re-parent that parent container, it > seems to be treated as a completely distinct key by the Object. For > example > > var map:Object = new Object(); > > var foo:Foo = new Foo(); > > map[foo] = "foo"; > for (var key:* in map) { > // Output is something like 'key is Foo455' > trace("key is " + key); > } > var bar:Bar = new Bar(); > bar.addChild(foo); > > map[foo] = "re-parented foo" > for (var key:* in map) { > // Output is something like 'key is Foo455', 'key is Bar211.Foo455' > trace("key is " + key); > } > > Am I missing something? It seems like putting a reference to the object > in a map should not changed when that object is re-parented. Is there > any way to do what I'm looking for? What's the reasoning behind this > behavior. > > -- > Maciek Sakrejda > Truviso, Inc. > http://www.truviso.com >
