[lively-kernel] Try DBJr (HyperCard-like stacks in Lively Kernel)

Astrid Thomschke astrid.thomschke at googlemail.com
Thu May 3 09:21:44 CEST 2012

Hi everyone -

I once built a HyperCard implementation in LivelyKernel myself, which
can be found here:
Initially this was supposed to be a demo implementation to see how
good LivelyKernel works on iPad - or more how well our progress on
bringing LivelyKernel to the iPad is going (I'm part of a bachelors
project which implements collaborative and mobile features). However,
thinking about the functionality of the background, it kind of ended
up in implementing morph diffing and merging for the PartsBin, which
is still WIP...

- Astrid

On 2 May 2012 21:49, Casey ransberger <casey.obrien.r at gmail.com> wrote:
> HyperCard, for every computer. Holy cow!
> Oh the times they are a-changin'...
> On Apr 30, 2012, at 2:39 PM, Ted Kaehler <Ted at vpri.org> wrote:
>> DynaBook Junior (DBJr) is an end-user authoring system in the tradition of HyperCard, SuperCard, and Visual Basic.  If you remember HyperCard, you will recognize the concept of a page, a background, and a stack.  Load this page in Chrome:
>> http://lively-kernel.org/repository/webwerkstatt/users/TedKaehler/DBJr%20stack.xhtml
>> DBJr lets you store information freeform without the restrictions of a database.  You customize the action of a button by writing a script.  It is even possible to make games and other mini-applications.
>> The world has a demo stack that explains DBJr.  You can make a new stack with
>> $world.get("Stack").demo()
>> From that stack, you can use the user interface to add and delete pages, drop in morphs of any kind, and move morphs to the background.
>> I built DBJr originally in Squeak, and ported it to Lively Kernel. Many thanks to the Liver Kernel team.
>> --Ted Kaehler.  (Viewpoints Research)
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