openproject/frontend/legacy/app/components/a11y/accessible-by-keyboard.ng1.directive.ts

//-- copyright
// OpenProject is a project management system.
// Copyright (C) 2012-2017 the OpenProject Foundation (OPF)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 3.
//
// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
// Copyright (C) 2006-2017 Jean-Philippe Lang
// Copyright (C) 2010-2013 the ChiliProject Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// See doc/COPYRIGHT.rdoc for more details.
//++

import {keyCodes} from "../keyCodes.enum";
import {openprojectLegacyModule} from "../../openproject-legacy-app";

openprojectLegacyModule.directive(
  'accessibleByKeyboard',
  function() {
    return {
      restrict: 'E',
      transclude: true,
      link: function(scope:any) {
        scope.executeOnEnter = (event:JQueryEventObject) => {
          if (!scope.isDisabled && (event.which === keyCodes.ENTER || event.which === keyCodes.SPACE)) {
            scope.execute(event);
          }
        };
      },
      scope: {
        execute: '&',
        isDisabled: '=',
        linkClass: '@',
        linkTitle: '@',
        spanClass: '@',
        linkAriaLabel: '@'
      },
      template: `
      <a data-ng-click='isDisabled || execute({ "$event": $event })'
         role="link"
         class='{{ linkClass }}'
         ng-disabled="isDisabled"
         title='{{ linkTitle }}'
         aria-label="{{ linkAriaLabel }}"
         href>
         <span ng-transclude class='{{ spanClass }}'></span>
      </a>
      `
    };
  }
);