[Laszlo-user] Data Grouping in OpenLaszlo

[Marco Lettere]

Probably XSL/XQUERY/XUPDATE functionality would be the best solution but
this can hardly be supported I assume, isn't it?
M.

Jean-Michel Hiver ha scritto:
> OK... I was wondering if there was some primitives / libraries to get
> this done since summing / averaging / grouping things up is a pretty
> common operation : I guess your answer means no :)
>
> Cheers
> Jean-Michel.
>
> 2008/10/3, Marco Lettere <m.lettere at websynapsis.com
> <mailto:m.lettere at websynapsis.com>>:
>
>     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.
>
>