Visualforce apps can be adapted to the Lightning Experience and drive large-scale adoption. Join us for this exclusive webinar to learn about how Visualforce works with Lightning components and the Lightning Design System. You’ll learn about the right tools and best practices to create best in class solutions for Lightning Experience development.

2. Forward-Looking Statement
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The video will be posted to YouTube & the
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@salesforcedevs

4. Have Questions?
● Don’t wait until the end to ask your question!
● Technical support will answer questions starting now.
● Respect Q&A etiquette
● Please don’t repeat questions. The support team is working their
way down the queue.
● Stick around for live Q&A at the end
● Speakers will tackle more questions at the end, time-allowing
● Head to Developer Forums
● More questions? Visit developer.salesforce.com/forums

5. Agenda
● Visualforce Overview
● Lightning Experience Overview
● Adopt Visualforce in Lightning Experience
● Lightning Component Overview
● Lightning general guidelines
● Usage of Visualforce and Lightning Components

6. ● UI framework to build custom pages for the Salesforce platform
● Tag-based markup language, similar to HTML, and a set of server-side “controllers” to
handle data and custom functionality.
● Content is rendered in server and displayed in browser.
● Ways of using Visualforce: Page or Component
● Usage of Visualforce:
● Override => Tabs, Standard Actions like New, View or Edit
● (Classic, LEX and Salesforce Mobile)
● Custom Tabs, Buttons and Links
● Inside page layout
Overview of Visualforce

7. ● Metadata-driven tags
● Model-View-Controller pattern
● Data secured since it is hosted on Salesforce platform
● Dynamic rendering & synchronous data transfer
● Complex UI requirements can be addressed using JS frameworks
Benefits

8. ● Limited Interactivity since server call needed to manage data
● Higher Latency especially on Mobile - not designed for mobile
● View state limited to 135kb
● Not built for Lightning Experience
Caveats

9. ● Modern user experience from Salesforce
● LEX is a Single Page Application(SPA)
● Current view is rewritten dynamically based on User actions
● Page does not necessarily refresh
● Relies on Javascript for interactivity
● LEX’s one.app act as container where the UI components live
Overview of Lightning Experience(LEX)

10. ● Comprises of entities which reflects core design principles to develop UI for Salesforce
Apps
● Similar to Twitter Bootstrap
● SLDS ships 4 resources which helps us to develop apps to matches Salesforce Look and
Feel
● CSS framework
● Icons
● Fonts
● Design Tokens
Salesforce Lightning Design System(SLDS)

11. ● Build Visualforce using SLDS to match the Lightning platform look and feel
● For context aware UI, use lightningStylesheets option(beta)
● For better performance, we can use 3rd party MVC frameworks like AngularJS
● Build the whole functionality in Lightning Component
Moving to Lightning!:

12. ● Lightning Design System helps to match the look and feel of the Salesforce app
● Set standardStylesheets="false"(Recommended)
● Use <apex:slds />
● Use appropriate class as mentioned in the SLDS website
Styling beyond lightningStyleSheets

13. ● Deliver appropriate UI theme based on environment (Classic or LEX) use
● lightningStylesheets="true"(beta)
● May need some tweaks in the markup
● In Classic, Visualforce page will be rendered in standard classic styles
● In Lightning Experience, Visualforce components will automatically pickup the SLDS styles
Changing the UI theme

14. StandardStyleSheet In Classic

15. lightningStyleSheet In LEX

16. Demo

17. ● UI framework for developing dynamic web apps for mobile and desktop devices
● First choice framework to develop UI in Lightning Experience
● Built on the open source Aura framework
● Tag based similar to HTML and Visualforce and uses Javascript to manage data
● Can leverage Apex or Lightning Data Service for data access
Overview of Lightning Component Framework

18. ● Composing UI into potentially reusable units
● Supports OOP concepts like Inheritance, Interfaces,.. etc
● Event-driven mechanism to communicate with other components
● LockerService restricts unauthorised access to the component internals
Benefits

19. ● Learning curve is high compared to Visualforce
● Unlike Visualforce page, identifying and composing Application into components needs to
follow best practices.
● Not all 3rd party libraries can be used
● No Advanced In-built features like renderAsPDF, charting,.. supported at the moment
Caveats

20. ● Understand the architectural difference between Visualforce and Lightning Component
● Page-by-Page vs Single-Page Application
● Page vs Component Lifecycle
● Modifying the DOM
● Coding
● Understand Javascript nuances
● Debugging
● Browser developer tools
● Salesforce Lightning Inspector
● Salesforce CLI
Considerations moving to Lightning Component

21. ● Identify the parts of the page which can be developed as a component
● The "part(s)" can be a specific feature or a group of features which solves a use-case
● Don’t overload a component by putting everything into it
● Don’t over complicate stuffs by creating everything as components
● Not all components are reusable, but it can be potentially reusable
● Custom table row (<tr />) component for a editable table component
Building Lightning Component

22. Working with Data
Visualforce Lightning Component
Standard Controller <apex:page
standardController=”” />
Lightning Data Service(LDS)
Eg: <force:recordData ../>
Custom Controller <apex:page controller=”” /> <aura:component controller=””
/>
Extension Controller <apex:page
standardController=””
extension=”” />
Combine LDS and custom
controller
Standard List Controller <apex:page
standardController=””
recordSetVar=”” />
In the road map

23. ● No need to use custom controller
● Record is shared across all components on a page/view
● Promotes consistency
● Notifies component when the record changes
● Best way to do CRUD Operations when working with a single record
Lightning Data Service
Working with Data(Cont..)

24. ● Available only in Lightning Experience and Salesforce app
● Lightning Components for Visualforce, Lightning Out, or Communities isn’t supported
● Supports only primitive DML operations - create, read, update, and delete of single record
● Doesn’t notify components if that record is changed on the server (in the road map)
Considerations of Lightning Data Service
Working with Data(Cont..)

25. ● Custom Tab
● Inside Lightning Record Detail page, Lightning Communities and Lightning Pages
● Override Standard Actions - View, New, New Event, Edit, and Tab in Lightning Experience
and the Salesforce mobile app
● Custom Actions
● Integrate with Flow
Lightning Component : Usage in LEX

26. Lightning Component : Usage in LEX
Visualforce Lightning Component
Classic LEX Mobile Classic LEX Mobile
Record
Tab
n/a n/a
List n/a n/a n/a n/a
View n/a
Edit n/a
New n/a
Delete n/a
n/a - you cannot access the override

27. Demo

28. ● Trailhead Module: Visualforce & Lightning Experience
● Trailhead Trail: Apply VF Skill in Lightning
● External Blog: Component should be FIRST
● Try the demo code yourself:
● github.com/SoftsquareSolutions/LightningWebinar
Learning Resource

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