Building a Single Page App with Lightning Components
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Lightning allows developers to rapidly develop highly interactive applications with Lightning Components. In this webinar, we will show you the best practices to build a single page application by using features from the Lightning Component framework.
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Building a Single Page App with Lightning Components
- 1. Building a Single Page App with Lightning ComponentsMarch 15, 2017
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- 3. Go Social! @salesforcedevs Salesforce Developers Salesforce Developers Salesforce Developers This webinar is being recorded! The video will be posted to YouTube and the webinar recap page (same URL as registration).
- 4. Have Questions? • Don’t wait until the end to ask your question! — Technical support will answer questions starting now. • 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 1. Intro: SendOffer LC 2. Single-Page Application (SPA) 3. Lightning Base Components 4. Lightning Events & CSS 5. Dynamic creation of Lightning Components 6. Demo 7. Resources
- 6. SendOffer Lightning Component 1. We built a Recruitment Application that handles candidates, interviews, and offers. 2. SendOffer LC provides an easy way to construct and send offer letter to candidate 3. 4 Stages: Detail, Edit, Review, Send
- 7. Single Page Application (SPA) 1. Does not require page reloads to work 2. Faster than Page-Centric Apps 3. Usually built with Javascript, CSS, Ajax 4. Examples: Salesforce Lightning Experience, Salesforce 1
- 8. Send Offer LC (SPA) OfferLetterSPA.cmp
- 9. Lightning Base Components 1. Built in on the platform - No more html + SLDS + javascript work 2. Lightning:Input 3. Lightning:Select 4. Lightning:Icon 5. Lightning:TextArea 6. Lightning:button
- 10. Lightning Events & CSS 1. Application Events - passing data between children 2. Component Events & CSS - bubbling - show and hide children Components
- 11. Dynamic Creation of LCs 1. Gives you more flexibility 2. Define which child LCs and which attributes should be created based on - data (eg. list row should show as read-only or not) - user interaction (eg. add error messages dynamically based on validation checks)
- 12. Demo
- 14. Application Events OfferTemplate (child 2) OfferPreview (child 3) OfferDetails (child 1) OfferConfirm (child 4) OrgCandidateDe tailEvent.evt —————— ————— • CandidateID • E-Mail • Salary • Bonus • TemplateID • OfferId • OfferLetter CandidateDe tailEvent.evt —————— ————— • CandidateID • E-Mail • Salary • Bonus • TemplateID • OfferId • OfferLetter Lightning Framework Lightning Framework CandidateDe tailEvent.evt —————— ————— • CandidateID • E-Mail • Salary • Bonus • TemplateID • OfferId • OfferLetter CandidateDe tailEvent.evt —————— ————— • CandidateID • E-Mail • Salary • Bonus • TemplateID • OfferId • OfferLetter Org
- 15. Dynamic Creation of LCs List.cmpListController.js <apex:Component> <div> {!v.Body} </div> </apex:Component> // JS Controller: //Loop for (i = 0; i < list.length; i++) { if (i.isReadOnly){ // Create Row Component without Edit Link } else // Create Row Component with Edit Link }
- 16. Resources 1. Lightning Base Components (Link) 2. Lightning Events (Link) 3. Show/Hide Markup with CSS (Link) 4. Dynamic creation of LCs (Link) 5. Github (Link)
- 18. Survey Your feedback is crucial to the success of our webinar programs. Thank you! https://sfdc.co/singlepagelightning
- 19. Q&A Try Trailhead: trailhead.salesforce.com Join the conversation: @salesforcedevs
- 20. Thank You
Editor's Notes
- #8: So what is a Single-Page-Application or SPA? It is basically an app that works inside a browser and does not require the user to reload the page for the app to work. SPAs try to imitate a “natural” environment in the browser – no page reloads, no extra wait time - and to keep the user in one, comfortable web space where content is presented in a simple, easy and workable fashion. A good example of a SPA is the Salesforce Lightning Experience UI itself. Our goal for today's demo is to demonstrate how you can create a mini SPA inside a Lightning Component as this type of design is highly interactive and can open up interesting possibilities for your app's UI.
- #9: You can see on this diagram, we have a parent Lightning Component called OfferLetterSPA that acts as our SPA outermost Container which means it will be always visible and that's the LC that our users will drag and drop to Lightning Pages using the Lightning App Builder. Inside this parent Lightning container we are going to surface up different child Lightning Components and we are going to control their visibility from this Parent LC whenever the user clicks on the Next or Back buttons on the child components