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Free Nodelet Hack: RAT collapse all

by jZed (Prior)
on Oct 14, 2004 at 19:58 UTC ( #399316=note: print w/replies, xml ) Need Help??


in reply to Free Nodelet freed

Add the code below to your free nodelet and you'll be able to toggle between collapse all and expand all in Recently Active Threads. You can collapse them all, then expand only the threads you are interested in with the (+/-) link for that thread. Collapse_all is very fast, Expand_all takes a moment or two.
<script language="javascript"><!-- var expandState="expanded"; function toggle_all(){ expandState = (expandState=='expanded') ? 'collapsed' : 'expanded' ; var elements = document.getElementsByTagName('ul'); var elnum; for(elnum=0;elnum<elements.length;elnum++){ var lb = "\x5B"; var rb = "\x5D" var el = eval("elements"+lb+"elnum"+rb); el.className = expandState; } } //--></script> <p> <a href="javascript:toggle_all()">Expand/Collapse All</a> </p>
Thanks cLive++ for the evil string eval.

Replies are listed 'Best First'.
Free Nodelet Hack: Clear all Radio buttons
by jdporter (Canon) on Oct 14, 2004 at 20:48 UTC
    If you add the following snippet to your Free Nodelet, you'll have a way to clear all the radiobuttons on the current page.
    <script language="javascript"><!-- function clear_all_radios(){ var lb = "\x5B"; var rb = "\x5D" var elements = document.getElementsByTagName('input'); var elnum; for(elnum=0;elnum<elements.length;elnum++){ var el = eval("elements"+lb+"elnum"+rb); if ( el.type == 'radio') { el.checked = false; } } } //--></script> <p><a href="javascript:clear_all_radios()">Clear All Radiobuttons</a>< +/p>

    Thanks to jZed for the parent node, upon which this code is based.

    See also: planetscape's Free Nodelet Hack: Check or Clear all "Delete" Message Checkboxes in Your Message Inbox

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[ambrus]: Ok, the docs is somewhat unclear. It does say that when an object is garbage collected, it will get cleaned up, and eventually can no longer get messages. It's not clear how long this takes, eg. I think it's kept alive until its queued events are handled
[ambrus]: in the loop, and I'm not sure if that's ok for AnyEvent. Also, it's not clear if a Timer or File object you free really is garbage collected, i.e. that Prima doesn't keep some references to it, but I hope so.
[Corion]: choroba: No, I don't remember that story, but yes, it matches my experience ;))
[ambrus]: Hopefull the object isn't kept alive, the events are processed immediately, but you'd have to read a lot of source code to be sure about that.
[Corion]: ambrus: I think both of AnyEvent and Prima are pretty tight in their memory management because they both are cooperative multitasking and (I think) both use the Perl memory management for managing things
[Corion]: ambrus: And for Windows, I don't think that Prima knows if there still are messages queued for an object (in the Windows message loop). Finding that out would take lots of effort for little gain
[ambrus]: And even if this works, I'm still not sure you can't get double timeouts from a Timer.
[ambrus]: Corion: well Prima::Object says something like that the cleanup method will send an onDestory message and that you can't get more messages after cleanup, or something.
[Corion]: ambrus: Yeah - I don't think the deep source dive will be necessary if things are implemented as simple as they could be :)) And hopefully I won't need (more) timely object destruction. I can update the screen at 60Hz and hopefully even do HTTP ...
[Corion]: ... transfers in the background. Now that I think about it, this maybe even means that I can run the OpenGL filters on Youtube input :)

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