[flexcoders] Creating an ArrayCollection object for charting

[john fisher]

I am feeding data to a chart from an arraycollection. When I test it by
using a literal to create the data object the chart works fine, but when
I assemble the data piece by piece, the chart fails. A correction of my
syntax would be great, and explanation even better!

I have tried creating an object, then using addItem to add it to
simpleData, and I have tried using addItem directly in simpleData, and
here I try it using a string- the result is, as you can see from the
trace output, that it was added as an array, not an object.... at least
thats what *I* see.

#################################################
#################3  This works:  ####################
simpleData = new ArrayCollection([]);   
simpleData.addItem({name:"se2", inpps:2233, refresh:3000, outpps:7799,
conns:2211, inbps:1144, inpkts:3322, outbps:2233, outpkts:4433,
inbytes:4455, outbytes:5544, cps:6655});
trace("ServerPopUp:makeChart2 simpledata THAT WORKS: = " +
ObjectUtil.toString(simpleData) );
        ServerPopUp:makeChart2 simpledata THAT WORKS: =
(mx.collections::ArrayCollection)#0
      filterFunction = (null)
      length = 1
      list = (mx.collections::ArrayList)#1
        length = 1
        source = (Array)#2
      [0] (Object)#3
        conns = 2211
        cps = 6655
        inbps = 1144
        inbytes = 4455
        inpkts = 3322
        inpps = 2233
        name = "se2"
        outbps = 2233
        outbytes = 5544
        outpkts = 4433
        outpps = 7799
        refresh = 3000
        uid = "CBEA58EB-CF06-51A8-8887-B289C8E48C2A"
      sort = (null)
      source = (Array)#2
               
################## This does not work:    ################   
simpleData = new ArrayCollection([]);
var st:String = new String();
              
#left out the loops here for clarity    #                        
 st += '{' + "name:" + '"' + statNode.name + '", ' ;   
# looped here through data #
var elname:String =  element.name();
var elvalue:Number = element.valueOf() ;                             
       
st += elname + ":" + elvalue + ", " ;                          
var newst:String = st.slice(0,  st.length-2  ); ////cuts off last white
space and comma
 newst +=  '}' ;
simpleData.addItem( newst  as Object ) ;
trace("ServerPopUp:makeChart simpledata: = " +
ObjectUtil.toString(simpleData) );
    ServerPopUp:makeChart simpledata: = (mx.collections::ArrayCollection)#0
      filterFunction = (null)
      length = 1
      list = (mx.collections::ArrayList)#1
        length = 1
        source = (Array)#2
      [0] "{name:"se2", inpps:2233, refresh:3000, outpps:7799,
conns:2211, inbps:1144, inpkts:3322, outbps:2233, outpkts:4433,
inbytes:4455, outbytes:5544,        cps:6655}"
        uid = "9543B87D-14F5-0BC6-E2F0-B289C8EC32FC"
      sort = (null)
      source = (Array)#2

#####

thanks
John