Add service for managing collection selections

[jtrussell]

I.e. to manage selections without relying on the directive.

selectionModelMgr.select(myCollection, myItemInCollection, opts, true);

// or maybe

model = selectionModelFactory(myCollection, opts);
model.select(item1);
model.selectAll([item1, item2]);
model.selectRange(item1, item2);

[seanpoulter]

Before I head down a similar path, have you made any progress on this @jtrussell?

[jtrussell]

I haven't put down any code for this and I'd welcome a contribution. Did you have any thoughts on how the interface should be structured? I've got the selection manager on angular-ivh-treeview as prior art but I'm not super concerned with following the same pattern.

[seanpoulter]

My goal is to have a clean way to deselect items before I remove them from
the input list (used in the ng-repeat). I'd personally just follow the
angular-ivh-treeview approach to get'r done quick, and hopefully learn how
you're testing things.

2015-02-11 20:10 GMT-05:00 Justin Russell [email protected]:

I haven't put down any code for this and I'd welcome a contribution. Did
you have any thoughts on how the interface should be structured? I've got the
selection manager on angular-ivh-treeview
https://github.com/ivantage/angular-ivh-treeview#treeview-manager-service
as prior art but I'm not super concerned with following the same pattern.

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#26 (comment)
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[jtrussell]

At the risk of over engineering everything I'm leaning towards tossing this service in a separate repo/module, I might eventually carve out the selectionModelOptions service into its own module as well so folks could pick and choose which pieces they need (or even replace pieces) and those settings are what will drive behavior of everything else. Thoughts?

I started a skeleton over here but I'm not 100% committed to this approach.