tutorial

Theming Custom Entities in Drupal 7

One of the most useful features of Drupal is the ability to define one’s own content types and field types. Prior to Drupal 7 one could create custom content types (limited to Title and Body fields) without using any third-party modules, or add custom fields to existing content types using the Content Construction Kit (CCK) module. In Drupal 7 most of the features of the CCK were moved to the Drupal Core so it is even easier to create custom content types and add an arbitrary number and arrangement of predefined as well as custom fields to an entity.

Drupal 7 also saw the introduction of a new concept in custom content types: entities. Through this new API, Drupal 7 allows you to define a completely custom type of data object or entity which can have its own menu paths, callback handlers, and access, display and storage rules. Continue reading →

Simple jQuery Plugin Example

In this article, I will teach you how to develop a standard jQuery plugin. I will keep things as simple as possible and will only build a very trivial plugin, but through this example I will cover all of the important aspects of jQuery plugin development.

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Trigger Custom Events with jQuery

Things have come a long way since the early days of the web and standard JavaScript window.onload and element.onclick event handling. Even using JavaScript on your web page was risky business in the early days because the availability and acceptance of JavaScript was so unpredictable.

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Executing JavaScript in an Ajax Response

I don’t know how, in the many years that I have been building web sites and using Ajax, I have never encountered a situation where I needed to return mixed HTML and executable JavaScript in an Ajax response. I routinely return JSON (JavaScript Object Notation) in Ajax responses as well as plain HTML but never both. Recently that changed.

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