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POAngularjs: Find all instances of a directive
 

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    <p>I'm trying to create a directive to allow the user to navigate the page with arrow keys by section. But I also want to be able to have those sections be scattered around the dom, and to have this not break when stuff gets added and removed. I can think of several ways to do this, but none of them are satisfactory:</p> <ul> <li><p>Create a directive with a controller that lets other directives register themselves (and unregister on $destroy). But this will be out of order if I add something in the middle later. Also, I've tried writing it this way, and it seems like way more code than necessary.</p></li> <li><p>Whenever the user hits an arrow key, make an empty array, and $broadcast an event, with a callback for directives to register themselves on that list. Then, once that list is full, advance or go backwards on it. They (should?) come back in the order they're in on the DOM, but I'm not sure since this way seems crazy and hackish.</p></li> <li><p>Mark things that are 'tabbable' with css, and write this the simple way in jquery, something like this: On a new click event, <code>var all = $('.tabbable')</code>, and then do the obvious with that. But I really don't want to do it that way, because it's not 'the angular' way. Not out of some sense of purity, but because I'm building this as part of a larger library of widgets, and I want this functionality to be accessibly to them.</p></li> </ul> <p>So, is there any way for me to get the scopes of all directives of a certain type, without resorting to weird hacks, or spreading the logic out all over the place?</p>
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