[Laszlo-user] Data Grouping in OpenLaszlo

[Marco Lettere]

I think this is surely possible using javascript and the
dataset/datapath/datapointer/LzDataElement apis.
M.

Jean-Michel Hiver ha scritto:
> Hello List,
>
> I've just started fiddling with OpenLaszlo yesterday, especially with
> it's datasource HTTP post & get and data binding capabilities. It all
> looks very nice indeed!
>
> I'm wondering if there was a way I could get the software to do some
> data grouping...
>
> For example imagine you have:
>
> <gizmos>
>   <item>
>     <type>key ring</name>
>     <name>beautiful key ring</name>
>     <price>12</price>
>   </item>
>   <item>
>     <type>key ring</name>
>     <name>awesome key ring</name>
>     <price>24</price>
>   </item>
>   <item>
>     <type>key ring</name>
>     <name>incredible key ring</name>
>     <price>50</price>
>   </item>
>   <item>
>     <type>usb key</name>
>     <name>1 GB monkey usb key</name>
>     <price>25</price>
>   </item>
> </gizmos>
>
> And you would like to group these values as follows:
>
> <gizmosByType>
>   <group>
>     <type>key ring</type>
>     <totalPrice>86</totalPrice>
>   </group>
>   <group>
>     <type>usb key</type>
>     <totalPrice>25</totalPrice>
>   </group>
> </gizmosByType>
>
> Is there a way to do this on the client side rather than do the
> grouping server side? If so, how? Pehaps using Javascript and
> constructing a new data source only using Javascript? Is this possible?
>
> Thanks in advance for your help.
>
> Cheers,
> Jean-Michel.