Re: Programatically Setting/Filtering D2W displayPropertyKeys
Re: Programatically Setting/Filtering D2W displayPropertyKeys
- Subject: Re: Programatically Setting/Filtering D2W displayPropertyKeys
- From: Ramsey Gurley <email@hidden>
- Date: Wed, 27 Feb 2013 17:35:56 -0700
On Feb 27, 2013, at 5:07 PM, David Avendasora wrote: On Feb 28, 2013, at 3:00 AM, Ramsey Gurley < email@hidden> wrote:
I've looked at a couple ways, but I'm not sure what is the best strategy. I'm thinking creating a custom D2W Assignment subclass is the way, but I'm not sure.
If you aren't storing them, you can probably come up with a decent solution using a single assignment. It would just need some sort of permission manager object to consult. Maybe that comes from the rules or maybe a thread local.
What I was thinking of is something similar to the QueryDatasourceDelegate where you could define a delegate class that would have the logic to filter the array of displayPropertyKeys prior to them being returned by the D2WContext.
Simply create a rule that defines what delegate it should use to filter the displayPropertyKeys prior to returning them. The logic of why or how to filter is entirely up to the developer - it could be based on user preference or permissions triggering it would be controlled by the rule system.
Dave
What you've described actually exists! It's called an Assignment ;-)
Ramsey
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