Book Image

concrete5: Beginner's Guide - Second Edition

Book Image

concrete5: Beginner's Guide - Second Edition

Overview of this book

concrete5 is an open source content management system (CMS) for publishing content on the World Wide Web and intranets. concrete5 is designed for ease of use, and for users with limited technical skills. It enables users to edit site content directly from the page. It provides version management for every page and allows users to edit images through an embedded editor on the page. concrete5 Beginner's Guide shows you everything you need to get your own site up and running in no time. You will then learn how to change the look of it before you find out all you need to add custom functionality to concrete5. concrete5 Beginner's Guide starts with installation, then you customize the look and feel and continue to add your own functionality. After you've installed and configured your own concrete5 site, we'll have a closer look at themes and integrate a simple layout into concrete5. Afterwards, we're going to build a block from scratch which you can use to manage a news section. We're also going to add a button to our site which can be used to create a PDF document on the fly. This book also covers some examples that show you how to integrate an existing jQuery plugin. concrete5 Beginner's Guide is a book for developers looking to get started with concrete5 in order to create great websites and applications.
Table of Contents (19 chapters)
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Pop Quiz Answers
Index

Hooking into core events


You've made it through a lot of different concrete5 features if you got to this point. We've changed the layout, added new styles, added new functionality, and even wrapped these things in a package.

However, what if you wanted to react on things happening in the concrete5 core? You want to know when a page has been added, a group deleted, or a new user added? All of that can be achieved by using events and concrete5 will tell you what's going on and let you execute custom code and even interrupt some processes.

Event types

There are a lot of different events you can use to extend some core functions. The following table shows all the different events you can catch, along with their parameters described with their number and the data type, and a short description:

Event

Parameters

Description

on_group_delete

1: Group

Fired when a group is deleted. You can add some checks and return false if you don't want the group to be deleted.

on_user_add

1: UserInfo...