[Laszlo-user] Data Grouping in OpenLaszlo

[Jean-Michel Hiver]

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.