Visualforce Development Cookbook - Second Edition

Chapter 2. Custom Components

In this chapter, we will cover the following recipes:

• Passing attributes to components
• Updating attributes in component controllers
• Passing action methods to components
• Data-driven decimal places
• The custom iterator component
• Setting a value into a controller property
• Multiselecting related objects
• Notifying the containing page controller

Introduction

Custom components allow custom Visualforce functionality to be encapsulated as discrete modules, which provide two main benefits:

1. Functional decomposition: where a lengthy page is broken down into custom components to make it easier to develop and maintain.
2. Code reuse: where a custom component provides common functionality that can be reused across a number of pages.

A custom component ...