Open Laszlo DHTML Milestone

Dietrich Kappe, Monday, July 3, 2006 @ 9:00 am

Ever since Laszlo Systems announced that they would be targeting DHTML as well as Flash, I've been peeking into their source repository from time to time, hoping to catch a glimpse of the elusive "Legals" (horrible name), the runtime that supports DHTML. Well, this past Thursday, on the Open Laszlo Project blog, they announced a milestone release of this mythical beast. From the entry:

Late last week, the OpenLaszlo project reached a huge milestone: release of the first source snapshot of our multiple-runtimes architecture, code named "Legals". The purpose of this snapshot is to deliver infrastructure, tools, and architecture sufficient to allow broad community participation in the project.

We began Legals back in January because we felt it was finally time to invest in OpenLaszlo's potential as a multi-runtime application framework. Adobe had released an initial beta of Flash 9 (then called Flash 8.5), and it was clear to us that it would be essentially an entirely new VM: new bytecode set, many improvements to the ActionScript language, and substantially revised APIs. In order to support Flash 9 we would need to build a new compiler backend and new runtime libraries.

If you're viewing an lzx file from the OpenLaszlo server, you'll need to tack a parameter onto it to get it to display the DHTML, i.e. test.lzx?lzr=dhtml.

So far, I've only been able to get it to display two text components. Adding in a button or anything else gives you a big nothing. Definitely, as it says, a work in progress on the DHTML side.

Related posts:

1. OpenLaszlo Developments Afoot
2. A Response from Laszlo Systems
3. RoR and OpenLaszlo Together
4. Adobe “Open Screen” is not “Open Source”
5. Tibco GI 3.2 Beta now Open Source

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