[flexcoders] Re: newbie question: Populating Datagrid from external complex xml

Thu, 18 May 2006 15:56:42 -0700

This was a HUGE help for me. Thank you. thank you.

--- In [email protected], "Tracy Spratt" <[EMAIL PROTECTED]> wrote:
>
> You are in luck.  I needed a simple project to work on for FB2, so I
> made your example.  Beware though, it is only my second Flex2 app.  My
> first was "hello, world".
> Tracy
>
> <?xml version="1.0" encoding="utf-8"?>
> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
> layout="absolute"
>       creationComplete="initApp()">
>
> <mx:Script><![CDATA[
>   import mx.controls.dataGridClasses.DataGridColumn;
>       private var gXMLDoc:XML;
>       private function initApp():void
>       {
>              gXMLDoc =
>         <users>
>             <user>
>                 <username gender="male">Joe</username>
>                 <useremail>[EMAIL PROTECTED]</useremail>
>                 <location id="001">
>                      <city>Bedford</city>
>                      <state>MA</state>
>                 </location>
>             </user>
>             <user>
>                 <username gender="female">Maggie</username>
>                 <useremail>[EMAIL PROTECTED]</useremail>
>                 <location id="002">
>                      <city>Lexington</city>
>                      <state>MA</state>
>                 </location>
>             </user>
>         </users>
>     dg1.dataProvider = gXMLDoc.user;
>       }//initApp
>      
>       private function lfnGeneral(item:Object,
> column:DataGridColumn):String
>       {
>         var sLabel:String = ""
>         var sHeaderText:String = column.headerText
>         switch (sHeaderText)  {
>           case "Name":
>             sLabel = item.username;
>             break;
>           case "Email":
>             sLabel = item.useremail;
>             break;
>           case "City":
>             sLabel = item.location.city;
>             break;
>           case "State":
>             sLabel = item.location.city;
>             break;
>           case "Gender":
>             sLabel = [EMAIL PROTECTED];
>             break;                                               
>         }
>
>         return sLabel;
>       }//lfGeneral
>
> ]]></mx:Script>
>
>       <mx:DataGrid id="dg1">
>    <mx:columns>
>       <mx:Array>
>          <mx:DataGridColumn headerText="Name" labelFunction="lfnGeneral"
> />
>          <mx:DataGridColumn headerText="Email"
> labelFunction="lfnGeneral" />
>          <mx:DataGridColumn headerText="City"
> labelFunction="lfnGeneral" />
>          <mx:DataGridColumn headerText="State"
> labelFunction="lfnGeneral" />
>          <mx:DataGridColumn headerText="Gender"
> labelFunction="lfnGeneral" />
>          </mx:Array>
>       </mx:columns>
>    </mx:DataGrid>
> </mx:Application>
>
> -----Original Message-----
> From: [email protected] [mailto:[EMAIL PROTECTED] On
> Behalf Of josulliv101
> Sent: Thursday, May 18, 2006 3:35 PM
> To: [email protected]
> Subject: [flexcoders] Re: newbie question: Populating Datagrid from
> external complex xml
>
> Thanks - i will try it. i am using Flex 2 beta 3.
> -Joe
>
> --- In [email protected], "Tracy Spratt" <tspratt@> wrote:
> >
> > Have you tried using a labelFunction on each column?
> >
> > That function gets run for every element in the dataProvider array
> and gets passed a reference tothat item.
> >
> > You can use whatever logic you need to navigate to the data you
> need, and then return that for the dataGrids use.
> >
> > Take a look at this, and if you need more help post back.  I might
> be able to do a quick example.
> >
> > What version of Flex, by the way?
> >
> > Tracy
> >
> >
> >
> > -----Original Message-----
> > From: [email protected] [mailto:[EMAIL PROTECTED]
> On Behalf Of josulliv101
> > Sent: Thursday, May 18, 2006 12:48 PM
> > To: [email protected]
> > Subject: [flexcoders] newbie question: Populating Datagrid from
> external complex xml
> >
> > Hi,
> >
> > I don't have any issues populating the datagrid when my external xml
> > file is very basic. for example:
> >
> > <users>
> >     <user>
> >         <username>Joe</username>
> >         <useremail>joe@</useremail>
> >     </user>
> >     <user>
> >         <username>Maggie</username>
> >         <useremail>maggie@</useremail>
> >     </user>
> >
> > </users>
> >
> > But when I have many nested elements and attributes - I can never
> > access the elements deeper within the xml.
> >
> > Can anyone put up a bare-bones example of populating a datagrid with
> > something like the following from an xml file.
> >
> >
> > <users>
> >     <user>
> >         <username gender="male">Joe</username>
> >         <useremail>joe@</useremail>
> >         <location id="001">
> >              <city>Bedford</city>
> >              <state>MA</state>
> >         </location>
> >     </user>
> >     <user>
> >         <username gender="female">Maggie</username>
> >         <useremail>maggie@</useremail>
> >         <location id="002">
> >              <city>Lexington</city>
> >              <state>MA</state>
> >         </location>
> >     </user>
> >
> > </users>
> >
> > Any help is appreciated.
> > Thanks,
> > Joe
> >
> >
> >
> >
> >
> >
> >
> > --
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>
>
>
>
>
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