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parallel example

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Jens Pall

parallel example

Hi

Does anyone have an example on how to use the Scriptaculous parallel:
message?

Thanks,
JP
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Lukas Renggli

Re: parallel example

> Does anyone have an example on how to use the Scriptaculous parallel:
> message?

Try something like:

html anchor
id: 'anchor';
onClick: (html effect parallel: {
html effect id: 'anchor'; highlight.
html effect id: 'anchor'; move: 100 @ 200.
html effect id: 'anchor'; scale: 4 };
with: 'Parallelize Me'

The 3 effects will be executed in parallel. I don't exactly know why
script.aculo.us provides the parallel effect, after all simply
concatenating the effects would execute them in parallel as well as
they are processed asynchronously.

Cheers,
Lukas

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Lukas Renggli
http://www.lukas-renggli.ch
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Lukas Renggli

Re: parallel example

> html anchor
> id: 'anchor';
> onClick: (html effect parallel: {
> html effect id: 'anchor'; highlight.
> html effect id: 'anchor'; move: 100 @ 200.
> html effect id: 'anchor'; scale: 4 };
> with: 'Parallelize Me'
>
> The 3 effects will be executed in parallel. I don't exactly know why
> script.aculo.us provides the parallel effect, after all simply
> concatenating the effects would execute them in parallel as well as
> they are processed asynchronously.

Btw, the script.aculo.us wiki usually has a bunch of good examples and
documentation. Of course all in JavaScript, but I am sure it is easy
to engineer it back to Smalltalk code ;-)

http://wiki.script.aculo.us/scriptaculous/show/Effect.Parallel

--
Lukas Renggli
http://www.lukas-renggli.ch
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Jens Pall

Re: parallel example

In reply to this post by Lukas Renggli

Lukas Renggli wrote:

>> Does anyone have an example on how to use the Scriptaculous parallel:
>> message?
>
> Try something like:
>
> html anchor
> id: 'anchor';
> onClick: (html effect parallel: {
> html effect id: 'anchor'; highlight.
> html effect id: 'anchor'; move: 100 @ 200.
> html effect id: 'anchor'; scale: 4 };
> with: 'Parallelize Me'
>
> The 3 effects will be executed in parallel. I don't exactly know why
> script.aculo.us provides the parallel effect, after all simply
> concatenating the effects would execute them in parallel as well as
> they are processed asynchronously.
>
> Cheers,
> Lukas
>

Thanks Lukas.

Would you concatenate the effects like this?:

html anchor
onClick: (html effect
id: 'theid';
toggleAppear);
onClick: (html effect
id: 'theid';
highlight);
with: 'appear and highlight'.

At least this works too.

JP
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Lukas Renggli

Re: parallel example

> Would you concatenate the effects like this?:
>
> html anchor
> onClick: (html effect
> id: 'theid';
> toggleAppear);
> onClick: (html effect
> id: 'theid';
> highlight);
> with: 'appear and highlight'.

Yes exactly. Another possibility would be to write it using the #, operator:

html anchor
onClick: (html effect
id: 'theid';
toggleAppear) , (html effect
id: 'theid';
highlight);
with: 'appear and highlight'.

Both versions should produce exactly the same JavaScript code.

Cheers,
Lukas

--
Lukas Renggli
http://www.lukas-renggli.ch
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