RE: [flexcoders] Re: I need some basic ActionScript help that I'm stumped on

2010-03-16 Thread Tracy Spratt 
There is some data type confusion going on here.  If you are using the xml
as the data source, how are you getting it into Flex? I strongly suspect you
are letting Flex do its default resultFormat conversion into a tree of
dynamic objects.  Actionscript can't tell the difference between an Object
and an Array with a single element so it opts for object.  You can't get the
length of an object.

 

This, selectedItem.links.link is object tree syntax, not XML or
ArrayCollection syntax.

 

There are several solutions.  I advise using resultFormat=e4x, then
processing that xml into an ArrayCollection of strongly typed value objects.

 

Tracy Spratt,

Lariat Services, development services available

  _  

From: flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] On
Behalf Of valdhor
Sent: Monday, March 15, 2010 12:53 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: I need some basic ActionScript help that I'm
stumped on

 

  

I'm not great with XML (That's more Tracy's forte) but shouldn't it be 

trace(myADG.selectedItem.links.length);

--- In flexcod...@yahoogro mailto:flexcoders%40yahoogroups.com ups.com,
Mark mark.pusat...@... wrote:

 I'm having an issue with finding the length of the number of children
items in my ArrayCollection. A small part of the xml that is being pulled in
is below. You'll see that I have a node links with a child or children
node link. If I have 2 or more link nodes then the length comes back
with the proper number, but if I only have 1 it comes back as undefined.
Here's my basic function that I'm putting together now.
 
 private function dgChanged(evt:Event):void {
 if (myADG.selectedItem.links != null) {
 trace(myADG.selectedItem.links.link.length);
 } else {
 trace (NULL );
 }
 
 
 items
 item
 eID4/eID
 eName![CDATA[3 Event with link]]/eName
 sDate1/2/2010/sDate
 eDate2/18/2010/eDate
 sTime12:00:00 PM/sTime
 eTime3:00:00 PM/eTime
 description![CDATA[Lorem Ipsum is simply dummy text of the printing and
typesetting industry. Lorem Ipsum has been the industry's standard dummy
text ever since the 1500s, when an unknown printer took a galley of type and
scrambled it to make a type specimen book. It has survived not only five
centuries, but also the leap into electronic typesetting, remaining
essentially unchanged. It was popularised in the 1960s with the release of
Letraset sheets containing Lorem Ipsum passages, and more recently with
desktop publishing software like Aldus PageMaker including versions of Lorem
Ipsum.]]/description
 aNameAIT/aName
 cNameLearning/cName
 lNameUK/lName
 links
 link ID=1 description=description of the link title=Apple
url=www.apple.com/
 /links
 /item
 
 
 Any ideas as to why I'm getting undefined?
 
 Thanks,
 Mark

[flexcoders] Re: I need some basic ActionScript help that I'm stumped on

2010-03-15 Thread valdhor 
I'm not great with XML (That's more Tracy's forte) but shouldn't it be 

trace(myADG.selectedItem.links.length);

--- In flexcoders@yahoogroups.com, Mark mark.pusat...@... wrote:

 I'm having an issue with finding the length of the number of children items 
 in my ArrayCollection.  A small part of the xml that is being pulled in is 
 below.  You'll see that I have a node links with a child or children node 
 link.  If I have 2 or more link nodes then the length comes back with the 
 proper number, but if I only have 1 it comes back as undefined.  Here's my 
 basic function that I'm putting together now…
 
 private function dgChanged(evt:Event):void {
   if (myADG.selectedItem.links != null) {
   trace(myADG.selectedItem.links.link.length);
   } else {
   trace (NULL );
 }
 
 
 items
   item
   eID4/eID
   eName![CDATA[3 Event with link]]/eName
   sDate1/2/2010/sDate
   eDate2/18/2010/eDate
   sTime12:00:00 PM/sTime
   eTime3:00:00 PM/eTime
   description![CDATA[Lorem Ipsum is simply dummy text of the 
 printing and typesetting industry. Lorem Ipsum has been the industry's 
 standard dummy text ever since the 1500s, when an unknown printer took a 
 galley of type and scrambled it to make a type specimen book. It has survived 
 not only five centuries, but also the leap into electronic typesetting, 
 remaining essentially unchanged. It was popularised in the 1960s with the 
 release of Letraset sheets containing Lorem Ipsum passages, and more recently 
 with desktop publishing software like Aldus PageMaker including versions of 
 Lorem Ipsum.]]/description
   aNameAIT/aName
   cNameLearning/cName
   lNameUK/lName
   links
   link ID=1 description=description of the link 
 title=Apple url=www.apple.com/
   /links
   /item
 
 
 Any ideas as to why I'm getting undefined?
 
 Thanks,
 Mark