>> Then I think I hit on what Jason was suggesting:
Not really. :) I think you're over complicating this. This is all I was
suggesting you do from my original suggestion, it's pretty straightforward
(this is a test case you could copy paste and run):
//DUMMY DATA:
var myXML:XML = <data>
<functionalarea type="amountKeying"
backgroundImage="images/background.png">
<exercises>
<exercise type="NoviceRDS">
<keyingItems>
<keyingItem
fileURL="assets/images/simulations/ATC/atc_701201045.png"
invertedFileURL="myImages/myFileInverted1.png" legible="true" amount="78400" />
<keyingItem
fileURL="myImages/myFile2.png" invertedFileURL="myImages/myFileInverted2.png"
legible="false" amount="743600" />
<keyingItem
fileURL="myImages/myFile3.png" invertedFileURL="myImages/myFileInverted3.png"
legible="true" amount="3213212" />
<keyingItem
fileURL="myImages/amountkeying/myFile4.png"
invertedFileURL="myImages/myFileInverted4.png" legible="true" amount="43242323"
/>
<keyingItem
fileURL="myImages/myFile5.png" invertedFileURL="myImages/myFileInverted5.png"
legible="true" amount="78400" />
<keyingItem
fileURL="myImages/myFile6.png" invertedFileURL="myImages/myFileInverted6.png"
legible="false" amount="342132" />
<keyingItem
fileURL="myImages/myFile7.png" invertedFileURL="myImages/myFileInverted7.png"
legible="true" amount="78400" />
</keyingItems>
</exercise>
<exercise type="ExpertRDS">
<keyingItems>
<keyingItem
fileURL="assets/images/simulations/ATC/atc_701201045.png"
invertedFileURL="myImages/myFileInverted1.png" legible="true" amount="78400" />
<keyingItem
fileURL="myImages/myFile2.png" invertedFileURL="myImages/myFileInverted2.png"
legible="false" amount="743600" />
<keyingItem
fileURL="myImages/myFile3.png" invertedFileURL="myImages/myFileInverted3.png"
legible="true" amount="3213212" />
<keyingItem
fileURL="myImages/amountkeying/myFile4.png"
invertedFileURL="myImages/myFileInverted4.png" legible="true" amount="43242323"
/>
<keyingItem
fileURL="myImages/myFile5.png" invertedFileURL="myImages/myFileInverted5.png"
legible="true" amount="78400" />
<keyingItem
fileURL="myImages/myFile6.png" invertedFileURL="myImages/myFileInverted6.png"
legible="false" amount="342132" />
<keyingItem
fileURL="myImages/myFile7.png" invertedFileURL="myImages/myFileInverted7.png"
legible="true" amount="78400" />
</keyingItems>
</exercise>
</exercises>
</functionalarea>
</data>
//RECURSIVE FUNCTION:
var totalItems:uint = 0;
function countItems(xmlNode:XML):void
{
var xmlChildren:XMLList = xmlNode.children();
if(xmlChildren.length() > 0)
{
for each (var xmlNode:XML in xmlChildren)
{
totalItems++;
countItems(xmlNode); //The recursive call
}
}
}
countItems(myXML);
//RESULT:
trace(totalItems);//Traces 20 - there are 20 nodes in the given XML from the
root down.
Instead of the root, you could start farther in too if you wanted, i.e.:
var exercisesXML:XML = myXML.functionalarea[0].exercises[0];
countItems(exercisesXML);
trace(totalItems); //traces 18 - there are 18 nodes from that level down.
If that's not exactly what you need, it would seem the general concept could be
modified to fit your needs. Hope that helps,
Jason Merrill
Instructional Technology Architect II
Bank of America Global Learning
_______________________
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of John Polk
Sent: Saturday, August 13, 2011 5:58 PM
To: Flash Coders List
Subject: Re: [Flashcoders] Simplify XML Call
> From: Henrik Andersson <[email protected]>
> To: Flash Coders List <[email protected]>
> Sent: Saturday, August 13, 2011 3:37 PM
> Subject: Re: [Flashcoders] Simplify XML Call
>
> There is still no eval function.
I know there is no eval fn. Jason Merrill earlier wrote: "You just need a
recursive loop to do this. So I would write a function that handles each node
level individually, adding to a class-level private property called something
like, _totalItems." I tried googling [as3 "recursive loop" xml node] without
much luck. Then I think I hit on what Jason was suggesting:
var x:*;
x = xml.menu.item[whichItems[0]];
var levelsLeft:int = level - 2;
var q:int = 4;
while(levelsLeft--)
{
x = x.item[whichItems[q]];
q--;
}
trace('xxx', x.item.length());
The problem is that for reasons that don't bear explaining I'm not ready to
test this beyond the first level today :-} But I think it (or some tweak)
should work (and I'll clean out that wildcard var).
Thanks,
John
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