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path: root/catalog-ui/app/scripts/directives/ellipsis/ellipsis-directive.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 IEllipsisScope extends ng.IScope {
        ellipsis: string;
        maxChars: number;
        toggleText(): void;
        collapsed: boolean;
        actualText: string;

    }

    export class EllipsisDirective implements ng.IDirective {

        constructor(private $templateCache: ng.ITemplateCacheService) {}

        scope = {
            ellipsis: '=',
            moreClass: '@',
            maxChars: '='
        };

        replace = false;
        restrict = 'A';
        template = (): string => {
            return this.$templateCache.get('/app/scripts/directives/ellipsis/ellipsis-directive.html');
        };

        link = (scope:IEllipsisScope, $elem:any) => {


                scope.collapsed = true;

                scope.toggleText = (): void => {
                    if(scope.ellipsis && scope.collapsed) {
                        scope.actualText = scope.ellipsis.substr(0, scope.maxChars);
                        scope.actualText += scope.ellipsis.length > scope.maxChars ? '...' : '';
                    }
                    else
                    {
                        scope.actualText = scope.ellipsis;
                    }
                };

                scope.$watch("ellipsis", function(){
                    scope.collapsed = true;
                    scope.toggleText();
                });



        };

        public static factory = ($templateCache: ng.ITemplateCacheService)=> {
            return new EllipsisDirective($templateCache);
        };

    }

    EllipsisDirective.factory.$inject = ['$templateCache'];
}