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path: root/catalog-ui/app/scripts/directives/utils/sdc-keyboard-events/sdc-keyboard-events.ts
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/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */
/// <reference path="../../../references"/>
module Sdc.Directives {
    'use strict';

    export interface ISdcKeyboardEventsScope extends ng.IScope {
        keyEnter:Function;
        keyShift:Function;
        keyCtrl:Function;
        keyEscape:Function;
        keySpace:Function;
    }

    export class SdcKeyboardEventsDirective implements ng.IDirective {

        constructor() {
        }

        scope = {
            keyEnter: '=',
            keyShift: '=',
            keyCtrl: '=',
            keyEscape: '=',
            keySpace: '='
        };

        public replace = false;
        public restrict = 'A';
        public transclude = false;

        link = (scope:ISdcKeyboardEventsScope, element:ng.IAugmentedJQuery, attrs:angular.IAttributes) => {

            element.bind("keydown keypress", function (event) {
                //console.log(event.which);
                switch (event.which) {
                    case 13: // enter key
                        scope.$apply(function (){
                            if (scope.keyEnter) {
                                scope.keyEnter();
                                event.preventDefault();
                            }
                        });
                        break;
                    case 16: // shift key
                        scope.$apply(function (){
                            if (scope.keyShift) {
                                scope.keyShift();
                                event.preventDefault();
                            }
                        });
                        break;
                    case 17: // ctrl key
                        scope.$apply(function (){
                            if (scope.keyCtrl) {
                                scope.keyCtrl();
                                event.preventDefault();
                            }
                        });
                        break;
                    case 27: // escape key
                        scope.$apply(function (){
                            if (scope.keyEscape) {
                                scope.keyEscape();
                                event.preventDefault();
                            }
                        });
                        break;
                    case 32: // space key
                        scope.$apply(function (){
                            if (scope.keySpace) {
                                scope.keySpace();
                                event.preventDefault();
                            }
                        });
                        break;
                }
            });

        };

        public static factory = ()=> {
            return new SdcKeyboardEventsDirective();
        };

    }

    SdcKeyboardEventsDirective.factory.$inject = [];
}