Tourbuzz paginator

tourbuzz-paginator.coffee

angular.module("tourbuzz.paginator", [])
.directive "paginator", ($parse) ->
    return {
        template: """<div ng-transclude></div>"""
        transclude: true
        controller: ($scope) ->
            $scope.state = {page: 1, all: null, perPage: 10}
            $scope.nextPage = -> $scope.state.page = parseInt($scope.state.page) + 1
            $scope.prevPage = -> $scope.state.page = parseInt($scope.state.page) - 1
            $scope.$watch("state" , (scope) ->
                $scope.page = $scope.state.page || 1
                $scope.numPages = Math.ceil($scope.state.all.length / 10) if $scope.state.all?
                $scope.range = _.range(1, Math.ceil($scope.state.all.length / 10)) if $scope.state.all?
                $scope.currentPage = $scope.state.all?.slice( ($scope.page - 1) * $scope.state.perPage, $scope.page * $scope.state.perPage)
            , true)

        link: (scope, element, attrs) ->
            scope.state.perPage = attrs.paginatorPerPage if attrs.paginatorPerPage?
            scope.$watch(attrs.paginator, ->
                scope.state.page = 1
                scope.state.all = $parse(attrs.paginator)(scope)
            , true)            
    }