overleaf/services/web/public/coffee/app/ide/file-tree/directives/droppable.coffee

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CoffeeScript
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define [
"base"
], (App) ->
App.directive "droppable", () ->
return {
scope: {
onDropCallback: "="
}
link: (scope, element, attrs) ->
scope.$watch attrs.droppable, (droppable) ->
if droppable
element.droppable
greedy: true
hoverClass: "droppable-hover"
accept: attrs.accept
drop: scope.onDropCallback
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}