###
# Copyright (C) 2014-2016 Taiga Agile LLC <taiga@taiga.io>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# File: attachments-preview.directive.coffee
###

AttachmentPreviewLightboxDirective = (lightboxService, attachmentsPreviewService) ->
    link = ($scope, el, attrs, ctrl) ->
        $(document.body).on "keydown.image-preview", (e) ->
            if attachmentsPreviewService.fileId
                if e.keyCode == 39
                    ctrl.next()
                else if e.keyCode == 37
                    ctrl.previous()

            $scope.$digest()

        $scope.$on '$destroy', () ->
            $(document.body).off('.image-preview')

    return {
        scope: {},
        controller: 'AttachmentsPreview',
        templateUrl: 'components/attachments-preview/attachments-preview.html',
        link: link,
        controllerAs: "vm",
        bindToController: {
            attachments: "="
        }
    }

angular.module('taigaComponents').directive("tgAttachmentsPreview", [
    "lightboxService",
    "tgAttachmentsPreviewService",
    AttachmentPreviewLightboxDirective])