State loading and saving for plug-ins

twiglet36

Hi,

I'm writing a plug-in to handle row selection for server-side DataTables (effectively a wrapper around Iuliandum's technique at http://datatables.net/examples/server_side/select_rows.html) , but I'm having some difficulty understanding the plug-in API for loading state. I've got as far as knowing that I have to subscribe to the stateLoadParams event (http://datatables.net/docs/DataTables/1.9.beta.2/DataTable.html#stateLoadParams) but I'm not actually sure how to do this!

If anyone has any examples of loading state in a plug-in initialiser I would be most grateful.

Thanks

Ben

twiglet36

I put the folloiwng line in the "fnInit" function of the plug-in:

[code]
var dataTable = oDTSettings.oInstance;
dataTable.bind('stateLoadParams', function() {
// do something here
});
[/code]

After double-checking my binding it became evident that the problem is that stateLoadParams is fired before the plug-in is initialised (so it never gets fired). Any workarounds/fixes?

allan

It depends a little bit about how you are initialising your plug-in - the stateLoadParams event actually happens very early on in the initialisation of DataTables, so I suspect that your plug-in will be missing this event (it certainly will if you are using sDom to create a feature plug-in). What I would suggest is that you look at the oSettings.oLoadedState object when your plug-in is initialisation. If there is state information available front he loaded, it will be in there.

Allan

twiglet36

Hi Allan

oLoadedState worked perfectly. Many thanks for such an excellent control!

Ben

allan

Nice one - thanks for the feedback on this problem :-)

Allan