The future of web development write once, run everywhere with angular.js and domino

http://beyondtheeveryday.com
Everyone pull it up on their phone

BTE 102: The Future of Web
Development Write Once, Run
Everywhere with AngularJS and
Domino
Marky Roden Mark Leusink
Senior Solutions Architect LinQed
PSC Group LLC

About Mark
 Freelance consultant/ developer
– XPages, web, mobile, Unplugged
 15 years experience (that makes me younger than Marky)
 Fan of everything web dev (Angular, Bootstrap, web components)
 Open source (OpenNTF, GitHub)
– XPages Debug Toolbar, Bootstrap4XPages, Bootcards
 Blog: http://linqed.eu
 Twitter: @markleusink
 Email: m.leusink@linqed.eu

About Marky
 Over 17 years IBM Notes Domino® work
 Senior Solutions Architect at PSC Group
• XPages Developer
• Project Leader
• AngularJS Protagonist
 Contact Information
• Blog: http://www.xomino.com
• Twitter: @markyroden
• Skype: marky.roden
www.psclistens.com @pscgroup

© 2013 IBM Corporation
F O U N D E D I N 1 9 9 0
The Largest, Most Experienced
XPages
Service Firm in North America
PSC Group, LLC
Congratulates our
5 IBM Champions!
Brad Balassaitis Andrew Barickman Kathy Brown John Head Mark Roden

Agenda
• Introduction to MVC/ REST architectures
– True Separation of UI and Business Logic
• Introduction to AngularJS
– Why Angular?
– Components and capabilities
– Examples of capabilities
• Domino as a REST Service
• Demo app
– Application Architecture
– How to run the same app “everywhere”

About the demo app
The Demo app is built with
– AngularJS
– Bootstrap
– IBM Domino data
– Zero XPages
And to make it better
– A Bootstrap theme from Bootswatch.com (‘United’)
– Font Awesome for icons
– Animate.css for animations
– FastClick.js for a snappier UI
– angular-local-storage for local storage
Sessions data from the Totally Unofficial Totally Unsupported session database

INTRODUCTION TO MVC / REST
ARCHITECTURE

Introduction to MVC / REST Architecture
• MVC (Model-View-Controller) is an architectural design pattern that encourages
improved application organization through a separation of concerns.
– The Model manages the data
– The View is the HTML representation of the data through the use of Templates
• What your users see
– The Controller is the application code which is used to determine the way the Model is
populated and displayed.
• Glues the Model and View together
• Angular provides the framework to do client-side MVC

• Representational state transfer (REST) is an architecture style for designing
networked applications
– Uses simple HTTP calls
– JSON
• Performant
• Scalable
• Simple interface
• Portable

ServerClient
• We’ve been building web apps like this
Request page
- process request
- get data
- create HTML
Response
• HTML
• CSS
• JavaScript
(display)

Client
• But this is getting popular
Webserver
Request page/ app
Response
(static HTML, JS,
CSS)
(process)
REST
API
Data (JSON)
Request data

Client
• Or this variation
Webserver
Response
(static HTML, JS,
CSS)
(process)
REST
API
Data (JSON)
Request data
Request page/ app

 AngularJS is a structural framework for dynamic web apps. It lets you use HTML as your
template language and lets you extend HTML's syntax to express your application's
components clearly and succinctly. Angular's data binding and dependency injection
eliminate much of the code you currently have to write.
“Angular is what HTML would have been had it been designed for applications”
The AngularJS team

What is AngularJS
• Web application framework
– Designed as a boilerplate model for an application
– Out of the box capabilities and best practices
– Built with test driven development (TDD) in mind
• Runs in the browser, all client side JavaScript
– Unlike e.g. XPages or C# (SharePoint) where most processing is done server side.
• Helps to create dynamic sites / Single Page Applications
– Partials? Dynamic? Been there, done that!

Why AngularJS ?
• Large developer community
– ~75,000 questions tagged on Stackoverflow.com
• Backed by
– Developed by Google and the community
– Open source (MIT license)
• Stable, mature and performant
– Initial release 2009
– Version 1 released Jun 2012
– Current version 1.3.5 (Dec 2014)
– Version 2 scheduled for end of 2015

Why AngularJS?
• Ready for the web of tomorrow
• Many Concepts adopted by Web Components standard
• Data driven
• Custom elements (functional custom attributes)
• HTML Imports
• DOM Templating

AngularJS: Modules
• Ties the code to the HTML DOM model

Angular Route Control
• UI-Router, state based management
• Configures the app
• When a route is encountered
– Use this template
– Use this Page Title
– Use this controller
• http://beyondtheeveryday.com/#/sessionsAll
• http://beyondtheeveryday.com/#/favorites

AngularJS: Controllers
• Contains the application logic.
app.controller("MainCtrl", function($rootScope, $scope, utils,
localStorageService, SessionsFactory) {
$scope.menuDays = [
{id: '0', label:'Sunday'},
{id: '1', label:'Monday'},
{id: '2', label:'Tuesday'},
{id: '3', label:'Wednesday'}
];
//set default active menu option
$scope.pageTitle = "Connect 2015 Sessions";
$scope.activeMenu = "about";

• Lazily instantiated, only when they are needed
– “Angular services are substitutable objects that are wired together using dependency injection (DI). You
can use services to organize and share code across your app”
var app = angular.module("sessionsApp.services", []);
app.factory('SessionsFactory', function($http) {
return {
all : function() {
return $http.get(‘db.nsf/collections/name/sessions')
.then(
function(res) {
return res.data;
});
},
...
AngularJS: Factories and Services

AngularJS: Directives
• Tells Angular that it needs to ‘do’ something
• Interact with the browser based on the controller’s instructions
• Re-usable components
• Much of Angular’s core functionality Directive based
<div class="row" ng-repeat="speaker in session.speakers">
<div class="col-xs-12 col-sm-12">
{{speaker}}
</div>
</div>

AngularJS in depth
• Dependency injections
A software design pattern that deals with how components get hold of their dependencies.
The Angular injector subsystem is in charge of creating components, resolving their dependencies,
and providing them to other components as requested.

AngularJS in depth
• How does it all hang together?

AngularJS in depth
• AngularJS core examples
– ‘$scope’
sessionsAppCtrl.controller('FeedbackCtrl', function($scope, SessionsFactory) {
$scope.submitted = false;
$scope.submit = function() {
SessionsFactory.saveFeedback( {feedback : $scope.feedback, name: $scope.name} );
$scope.submitted = true;
};
});

AngularJS in depth
• AngularJS core services example
– '$http'
app.factory('SessionsFactory', function($http, $q, dasBaseUrl, utils) {
return {
all : function() {
return $http.get('collections/name/sessionsAll?count=1000', {cache: true})
.then( function(res) {
return res.data;
});
},
...

AngularJS in depth
• AngularJS core directives examples
– ng-show / ng-hide
– ng-click
– ng-list, ng-class, ng-repeat, ng-keydown etc
};
<div class="col-sm-8">
<button class="btn btn-default" ng-click="home()">Back</button>
<button class="btn" ng-click="savePerson($event)" ng-hide="create">Save</button>
<button class="btn" ng-click="createPerson($event)" ng-show="create">Create</button>
</div>

AngularJS in depth
• AngularJS template example

AngularJS in depth
• How does AngularJS integrate with XPages ?
• An application written using AngularJS uses 4 main things
– HTML Pages
– JavaScript files
– CSS
– A Data Service
• One or many of those can be “XPages”

Domino as REST service
• Three options to use Domino as a data store for an Angular application:
– Domino Access Services
• Built-in, easiest to enable
– REST service component from the Extension Library
• More customization options
– Do-it-yourself REST service
• Fully customizable, requires more work

Domino as REST service - Domino Access Services (DAS)
• Consists of 3 services: core, data and
calendar
– For the demo app we’ve only used the
data service
• Must be enabled on server level, app
level and form/ view level
• Gives you the data from all fields
(documents) or columns (views)

Domino as REST service - Domino Access Services (DAS)
http://beyondtheeveryday.com/beyond/connect2015.nsf/api/data/collections/name/sessionsAll
Server Database path DAS View name

Domino as REST service - ExtLib REST
• Drag on an XPage
• Link to data source (view, bean, …)
• Set path
• Done
<xe:restService pathInfo="contactjson">
<xe:this.service>
<xe:viewJsonService viewName="AllContacts" var="entry"
contentType="text/plain" count="10" defaultColumns="true">
</xe:viewJsonService>
</xe:this.service>
</xe:restService>

Domino as REST service - custom REST service
public class MyRESTService {
public static String doGet(HttpServletRequest request, HttpServletResponse response)
{
JsonJavaObject json = new JsonJavaObject();
json.put("userName", ExtLibUtil.getCurrentSession().getEffectiveUserName() );
return JsonGenerator.toJson(JsonJavaFactory.instanceEx, json);
}
}

<![CDATA[#{javascript:
var externalContext = facesContext.getExternalContext();
var writer = facesContext.getResponseWriter();
writer.write(
eu.linqed.MyRESTService.doGet(
externalContext.getRequest(),externalContext.getResponse()
));
writer.endDocument();
}
}]]>

Domino as REST service
• More on this: “REST Services and IBM Domino/XWork” by John Dalsgaard
– http://www.slideshare.net/JohnDalsgaard/dannotes-19-20-november-2014

AngularJS in XPages
• How does AngularJS work?
Model View Controller

Demo app
• Demonstration you just saw was hosted on….
– IBM Domino ®
– IBM Bluemix ®
– Microsoft SharePoint ®
– IBM MobileFirst Platform Foundation ® (previously: IBM Worklight)
– IBM Connections
• Open source
– http://github.com/markleusink/BeyondSessionsApp

Conclusion
• AngularJS: MVC front end client side framework
• Add structure to your code
• Enables hybrid mobile web apps
– PhoneGap, Cordova, Worklight
• Use Domino as a NoSQL app server
– Out-of-the-Box, Proven, Stable, Rock solid security

Conclusion
• Modernize Domino Applications smartly
• Running Domino apps within other server platforms
• Make your application code portable

Questions ?
@markyroden
http://xomino.com
@markleusink
http://linqed.eu

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It might look like a giveaway for a gay wedding. It’s not.

AngularJS in depth
• Simple example of two way data binding

AngularJS in XPages
• Behind the demonstration
– Cross-Origin Resource Sharing (CORS)
• Browser security
• Preventing cross site scripting attacks
• https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS

• AngularJS core function examples
AngularJS in depth

AngularJS in XPages
– Cross-Origin Resource Sharing (CORS)

AngularJS in XPages
– Adding Server headers in Domino with NAB (3 max)

AngularJS in XPages
• How does AngularJS integrate with XPages ?
• HTML and JavaScript
in the WebContent folder

AngularJS in depth
• AngularJS core provider example
– '$routeProvider'
personApp.config(['$routeProvider',
function($routeProvider) {
$routeProvider.
when('/person/new', {
templateUrl: 'partials/person.html',
controller: 'PersonDetailCtrl',
}).
otherwise({
redirectTo: '/people'
});
}]);

AngularJS in XPages
• Model
– Domino Data
• View
– HTML
• Controller
– JavaScript

The future of web development write once, run everywhere with angular.js and domino

What is AngularJS
• Framework of methods and objects to model the MVC architecture easily
– App Modules
– App Controllers
– App Directives
– App Factories / Services

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