Skip to main content

AngularJS - Tables

Table data is normally repeatable by nature. ng-repeat directive can be used to draw table easily.  Following example states the use of ng-repeat directive to draw a table. <table> <tr> <th> Name </th> <th> Marks </th> </tr> <tr ng-repeat = "subject in student.subjects" > <td> {{ subject.name }} </td> <td> {{ subject.marks }} </td> </tr> </table> Table can be styled using CSS Styling. <style> table , th , td { border : 1px solid grey ; border - collapse : collapse ; padding : 5px ; } table tr : nth - child ( odd ) { background - color : #f2f2f2; } table tr : nth - child ( even ) { background - color : #ffffff; } </style> Example Following example will showcase all the above mentioned directive. <html> <head> <...

AngularJS Authentication Service

(function () {
    'use strict';

    angular
        .module('app')
        .factory('AuthenticationService', AuthenticationService);

    AuthenticationService.$inject = ['$http', '$cookieStore', '$rootScope', '$timeout', 'UserService'];
    function AuthenticationService($http, $cookieStore, $rootScope, $timeout, UserService) {
        var service = {};

        service.Login = Login;
        service.SetCredentials = SetCredentials;
        service.ClearCredentials = ClearCredentials;

        return service;

        function Login(username, password, callback) {

            /* Dummy authentication for testing, uses $timeout to simulate api call
             ----------------------------------------------*/
            $timeout(function () {
                var response;
                UserService.GetByUsername(username)
                    .then(function (user) {
                        if (user !== null && user.password === password) {
                            response = { success: true };
                        } else {
                            response = { success: false, message: 'Username or password is incorrect' };
                        }
                        callback(response);
                    });
            }, 1000);

            /* Use this for real authentication
             ----------------------------------------------*/
            //$http.post('/api/authenticate', { username: username, password: password })
            //    .success(function (response) {
            //        callback(response);
            //    });

        }

        function SetCredentials(username, password) {
            var authdata = Base64.encode(username + ':' + password);

            $rootScope.globals = {
                currentUser: {
                    username: username,
                    authdata: authdata
                }
            };

            $http.defaults.headers.common['Authorization'] = 'Basic ' + authdata; // jshint ignore:line
            $cookieStore.put('globals', $rootScope.globals);
        }

        function ClearCredentials() {
            $rootScope.globals = {};
            $cookieStore.remove('globals');
            $http.defaults.headers.common.Authorization = 'Basic';
        }
    }

    // Base64 encoding service used by AuthenticationService
    var Base64 = {

        keyStr: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=',

        encode: function (input) {
            var output = "";
            var chr1, chr2, chr3 = "";
            var enc1, enc2, enc3, enc4 = "";
            var i = 0;

            do {
                chr1 = input.charCodeAt(i++);
                chr2 = input.charCodeAt(i++);
                chr3 = input.charCodeAt(i++);

                enc1 = chr1 >> 2;
                enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
                enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
                enc4 = chr3 & 63;

                if (isNaN(chr2)) {
                    enc3 = enc4 = 64;
                } else if (isNaN(chr3)) {
                    enc4 = 64;
                }

                output = output +
                    this.keyStr.charAt(enc1) +
                    this.keyStr.charAt(enc2) +
                    this.keyStr.charAt(enc3) +
                    this.keyStr.charAt(enc4);
                chr1 = chr2 = chr3 = "";
                enc1 = enc2 = enc3 = enc4 = "";
            } while (i < input.length);

            return output;
        },

        decode: function (input) {
            var output = "";
            var chr1, chr2, chr3 = "";
            var enc1, enc2, enc3, enc4 = "";
            var i = 0;

            // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
            var base64test = /[^A-Za-z0-9\+\/\=]/g;
            if (base64test.exec(input)) {
                window.alert("There were invalid base64 characters in the input text.\n" +
                    "Valid base64 characters are A-Z, a-z, 0-9, '+', '/',and '='\n" +
                    "Expect errors in decoding.");
            }
            input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

            do {
                enc1 = this.keyStr.indexOf(input.charAt(i++));
                enc2 = this.keyStr.indexOf(input.charAt(i++));
                enc3 = this.keyStr.indexOf(input.charAt(i++));
                enc4 = this.keyStr.indexOf(input.charAt(i++));

                chr1 = (enc1 << 2) | (enc2 >> 4);
                chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
                chr3 = ((enc3 & 3) << 6) | enc4;

                output = output + String.fromCharCode(chr1);

                if (enc3 != 64) {
                    output = output + String.fromCharCode(chr2);
                }
                if (enc4 != 64) {
                    output = output + String.fromCharCode(chr3);
                }

                chr1 = chr2 = chr3 = "";
                enc1 = enc2 = enc3 = enc4 = "";

            } while (i < input.length);

            return output;
        }
    };

})();

Comments

Popular posts from this blog

AngularJS - Tables

Table data is normally repeatable by nature. ng-repeat directive can be used to draw table easily.  Following example states the use of ng-repeat directive to draw a table. <table> <tr> <th> Name </th> <th> Marks </th> </tr> <tr ng-repeat = "subject in student.subjects" > <td> {{ subject.name }} </td> <td> {{ subject.marks }} </td> </tr> </table> Table can be styled using CSS Styling. <style> table , th , td { border : 1px solid grey ; border - collapse : collapse ; padding : 5px ; } table tr : nth - child ( odd ) { background - color : #f2f2f2; } table tr : nth - child ( even ) { background - color : #ffffff; } </style> Example Following example will showcase all the above mentioned directive. <html> <head> <...

10 Reasons That Makes Magento The Dominating eCommerce Platform in 2018

In eCommerce market, for marketers, manufacturers and consumer 2017 was a great year, and it seems to be growing in 2018 as well. Every passing year shows tremendous growth in e-commerce sale that helps to take the business to new levels of success. The world's greatest brands love  Magento  for its adaptability since the present shoppers and their purchasing designs are changing incrementally. Just Magento — open source and nimble — can enable you to adjust and flourish. With a worldwide biological community of 150,000 engineers and a system of 300+ profoundly prepared arrangement accomplices, Magento helps your online deals while expanding gross edges. Magento organizations offer more at a lower TCO than dealers on aggressive trade stages. Maintaining an e-commerce business isn't a simple undertaking and expects you to put steady endeavors and to strategize to build up a solid web nearness that encourages you to give an upper hand. Wh...

Best eCommerce Platform – Magento or OpenCart?

Looking for Best eCommerce Platform? Business people who are remaining on the precarious edge of beginning their new eCommerce wander all have the same inquiry to confront with sooner or later in time: Best eCommerce Platform? Which eCommerce stage would it be advisable for me to begin my online business? Clearly, When it comes to eCommerce, there is nobody size-fits-all arrangement. There are different strategies and devices that can bring fulfilling results, at the end of the day it relies on upon a couple of fundamental choices that should be made in advance, for example, the span of your online store, your outline inclinations, SEO and probability, and obviously, your financial plan. In this article, we are going to concentrate on two noteworthy rivals in the eCommerce market, Magento Vs. Opencart, and investigate their components and choices to help you choose which one of them (assuming any) is a good fit for you. Before we begin to look at between the two, it ought to ...