22
Introduction to Visualforce Samantha Ready, salesforce.com, Developer Evangelist @samantha_ready

Introduction to Visualforce

Embed Size (px)

DESCRIPTION

 

Citation preview

Page 1: Introduction to Visualforce

Introduction to Visualforce

Samantha Ready, salesforce.com, Developer Evangelist

@samantha_ready

Page 2: Introduction to Visualforce

Safe Harbor

Safe harbor statement under the Private Securities Litigation Reform Act of 1995:

This presentation may contain forward-looking statements that involve risks, uncertainties, and assumptions. If any such uncertainties

materialize or if any of the assumptions proves incorrect, the results of salesforce.com, inc. could differ materially from the results

expressed or implied by the forward-looking statements we make. All statements other than statements of historical fact could be

deemed forward-looking, including any projections of product or service availability, subscriber growth, earnings, revenues, or other

financial items and any statements regarding strategies or plans of management for future operations, statements of belief, any

statements concerning new, planned, or upgraded services or technology developments and customer contracts or use of our services.

The risks and uncertainties referred to above include – but are not limited to – risks associated with developing and delivering new

functionality for our service, new products and services, our new business model, our past operating losses, possible fluctuations in our

operating results and rate of growth, interruptions or delays in our Web hosting, breach of our security measures, the outcome of

intellectual property and other litigation, risks associated with possible mergers and acquisitions, the immature market in which we

operate, our relatively limited operating history, our ability to expand, retain, and motivate our employees and manage our growth, new

releases of our service and successful customer deployment, our limited history reselling non-salesforce.com products, and utilization

and selling to larger enterprise customers. Further information on potential factors that could affect the financial results of

salesforce.com, inc. is included in our annual report on Form 10-Q for the most recent fiscal quarter ended July 31, 2012. This

documents and others containing important disclosures are available on the SEC Filings section of the Investor Information section of

our Web site.

Any unreleased services or features referenced in this or other presentations, press releases or public statements are not currently

available and may not be delivered on time or at all. Customers who purchase our services should make the purchase decisions based

upon features that are currently available. Salesforce.com, inc. assumes no obligation and does not intend to update these forward-

looking statements.

Page 3: Introduction to Visualforce

What can you do with Visualforce?

Framework to build custom user interfaces

Hosted natively on Force.com

Build streamlined UX

Extend Salesforce.com

Customize for different devices

Leverage other web technologies

Page 4: Introduction to Visualforce

Visualforce and the MVC Pattern

Markup & UI

Components

Objects /

Data

Standard

Controllers &

Extensions

Page 5: Introduction to Visualforce

MVC Example

Page 6: Introduction to Visualforce

Visualforce Markup

Visualforce tags

• 80+ standard components

• Custom components

Works with all standard web technologies

including:

• CSS

• JavaScript

• HTML

• Flash

• Any other Web-Enabled Code

Page 7: Introduction to Visualforce

What do standard components look like?

apex: or

chatter:

prefix

Component

name(examples:

tables, repeats,

forms, etc)

Attributes to define

component

Reference field

(using dot notation)

Data binding to

objects and class

variables

Merge field to define

attribute (can also be a

string literal)

<apex:outputField value = “{!Restaurant__c.Address__c” >

Page 8: Introduction to Visualforce

Visualforce Controllers

Provides access to data

Logic for handling UI interaction

Standard Controllers

• Same functionality as standard pages

– Save, delete, field access etc.

Custom Controllers

• Written in Apex

• Override standard behavior

• Controller Extensions

Page 9: Introduction to Visualforce

What does that look like in code?

Supports both

standard and

custom objects

Defined at the

page level

Use custom

controller logic

to extend

standard

controllers

If only using custom controllers,

use controller=“controllerName”

<apex:page standardController = “Restaurant__c” > extensions = “yelpExtension”

Page 10: Introduction to Visualforce

What does Visualforce look like?

markup

command button

outputfield

datatable

column

Page 11: Introduction to Visualforce

Custom Tags

Comopnent prefix

Create your

own custom

attributes

Custom controller to

define logic with Apex Bind with

controller

variables

Encapsulate Markup

Page 12: Introduction to Visualforce

Mobile Components for Visualforce

Built on top of Visualforce

Produces cross platform

HTML5

Highly customizable

Lightweight and fast

Community supported open

source

Page 13: Introduction to Visualforce

Breakdown of a Simple Mobile Page

Detail

Component

List

Component

SplitView

Template

Page 14: Introduction to Visualforce

Where else can Visualforce be used?

Email Templates

Dashboard Components

Define custom tabs

Custom sections on detail pages

Override standard behavior

• Button clicks ex: perform save on

detail page with custom logic

Page 15: Introduction to Visualforce

What else can you do with

Visualforce?

Page 16: Introduction to Visualforce

Rich User Interfaces

Page 17: Introduction to Visualforce

Complete Web Apps

Page 18: Introduction to Visualforce

Mashups

Page 19: Introduction to Visualforce

If nothing else, remember this…

Can integrate with all standard web technologies

Visualforce developer guide is your best friend

You handle what you want to display, Force.com will

handle who can see/edit it

Page 20: Introduction to Visualforce

Next Steps

Developer.force.com

Mini-workshops

“7 Habits of Highly Efficient Visualforce Pages”

“Building the New AppExchange Using Responsive Design”

“Mobile Components for Visualforce”

Recorded Sessions

Page 21: Introduction to Visualforce

Samantha Ready Developer Evangelist,

@samantha_ready

Page 22: Introduction to Visualforce