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Lazy cell Style(s), registered after input has been set [message #1547263]

Mon, 05 January 2015 10:20

Georgian Grec

Messages: 5
Registered: July 2014

Junior Member

I understand that the whole label accumulator mechanism is flexible enough. You register your styles at build time, and then you accumulate the labels at runtime.

What would be the correct approach if the colors come along with the input? Say that each row from my input carries a certain color, and those are the ones I'd like to display in my cells.

Hacky alternatives:

1. Walk the input before it is passed to the nattable. Register the config attributes based on row values. Accumulate desired labels afterwards.

2. Register config attributes in the label accumulator, while checking if a certain style has already been registered.

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Re: Lazy cell Style(s), registered after input has been set [message #1547337 is a reply to message #1547263]

Mon, 05 January 2015 11:17

Dirk Fauth

Messages: 2902
Registered: July 2012

Senior Member

You can also register styles at runtime via ConfigRegistry manually. But nevertheless, both values seem to fullfill your requirements. Not sure why you call them "hacky alternatives" since I don't know another way to create a connection between data model and presentation in an architecture that seperates them.

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Re: Lazy cell Style(s), registered after input has been set [message #1547382 is a reply to message #1547337]

Mon, 05 January 2015 11:46

Georgian Grec

Messages: 5
Registered: July 2014

Junior Member

My main concern is that the

accumulateLabels

gets A LOT of calls in short intervals of time (e.g. when a cell is simply clicked on). Isn't it heavy to constantly register these styles?

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Re: Lazy cell Style(s), registered after input has been set [message #1547462 is a reply to message #1547382]

Mon, 05 January 2015 12:48

Dirk Fauth

Messages: 2902
Registered: July 2012

Senior Member

Technically the registering is putting a value into a map. Sure not a simple map, but a map. Try it out to see if it has an impact.

But again, since you are trying to keep style information in your data model, I don't know a better way.

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