Opera Developer Community

Welcome to Dev Opera

Dev Opera is a community resource site where developers can share tips, tricks, extensions and more. This is the place where ideas are born, so contribute today! More in the forums...

Accessible drag and drop using WAI-ARIA

By Gez Lemon · 8 Jul, 2009

There is increasing interest in, and importance being laid upon, making modern dynamic web applications more accessible. New specifications such as WAI-ARIA and HTML 5 provide the means by which to do this; in this article Gez Lemon presents a solution for implementing accessible drag and drop functionality using JavaScript and WAI-ARIA. Some discussion of HTML 5 drag and drop features is also included for good measure.

Read article | Discuss [2]

Keyboard accessibility in web applications: part 1

By Mihai Sucan · 8 Jul, 2009

One of the most important features to implement on your web sites for ensuring accessibility is keyboard controls, but this gets rapidly more complicated when the complexity increases, and you start getting into scripted web applications. But help is at hand. In this detailed three part series, web developer Mihai Sucan offers a complete solution for providing keyboard accessibility to complex web applications, using his canvas-based painting application as a starting point.

Read article | Discuss [0]

Setting up custom domains for Opera Unite

By Lachlan Hunt · 19 Jun, 2009

In this article, Lachlan Hunt explains how to configure your connection setup to allow you to access your Opera Unite services from a custom domain.

Read article | Discuss [16]

Opera Unite developer's primer

By Hans S. Tømmerholt · 16 Jun, 2009

Opera Unite puts a Web server inside your Opera browser, allowing you to share files and applications with your friends and colleagues directly off your hard drive! This tutorial shows you how to get started on the road to Opera Unite Service development by making a simple Opera Unite blog service. It introduces some of the basic ways of interacting with the web server and how to start creating Opera Unite Services.

Read article | Discuss [16]

Markuper: The Opera Unite Service template library

By António Afonso · 16 Jun, 2009

This article introduces Markuper, a templating library that allows rapid development of Opera Unite Services and binding of data from JavaScript straight into the HTML templates.

Read article | Discuss [13]