Ultra Small Behaviour with Prototype

After staring long and hard at the Behaviour code I decided
I loved the
concept and hated the implementation. Here is an alternative
implementation.

var Behaviour = Class.create();
Behaviour.prototype = {
	initialize: function(s) { this.sheet = s; },
	apply: function(){
		for (sel in this.sheet){
			var els = $$(sel);
			for (var i=0; i<els.length; i++)
				this.sheet[sel].call(this,els[i]);
		}
	}
};

And for implementation, you pass the same hashmap you would
have passed
to the old function and then do something like this:

var actions = new Behavior(myrules);
Event.observe(window,'load',function(){actions.apply();},f
alse);

Note that I removed the ability to add multiple sheets,
instead opting
to create a new instance of the class for each sheet that I
wish to
apply.

Let me know what you think.


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Mike,

Nice!  FYI: http://encyte
media.com/event-selectors/ takes a similar
approach; using the behaviour idea but capitalizing on
prototype to
make it shorter/faster/better.  Event selectors also add an
event
assignment syntax into the css itself (like div:click or
div:hover).
I thought you might like to take a look at it.

Anyway, good job.

Ben West (not Nolan)

On 9/13/06, Mike Crute <mcrutegmail.com> wrote:
>
> After staring long and hard at the Behaviour code I
decided I loved the
> concept and hated the implementation. Here is an
alternative
> implementation.
>
> var Behaviour = Class.create();
> Behaviour.prototype = {
>         initialize: function(s) { this.sheet = s; },
>         apply: function(){
>                 for (sel in this.sheet){
>                         var els = $$(sel);
>                         for (var i=0; i<els.length;
i++)
>                                
this.sheet[sel].call(this,els[i]);
>                 }
>         }
> };
>
> And for implementation, you pass the same hashmap you
would have passed
> to the old function and then do something like this:
>
> var actions = new Behavior(myrules);
>
Event.observe(window,'load',function(){actions.apply();},f
alse);
>
> Note that I removed the ability to add multiple sheets,
instead opting
> to create a new instance of the class for each sheet
that I wish to
> apply.
>
> Let me know what you think.
>
>
> >
>

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Benjamin West wrote:
> Nice!  FYI: http://encyte
media.com/event-selectors/ takes a similar
> approach; using the behaviour idea but capitalizing on
prototype to
> make it shorter/faster/better.  Event selectors also
add an event
> assignment syntax into the css itself (like div:click
or div:hover).
> I thought you might like to take a look at it.
>
> Anyway, good job.
>
> Ben West (not Nolan)

Thanks Ben! I took a look at the encytemedia.com version and
I like it
a lot! Thanks for the feedback.


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Mike Crute wrote:
> Benjamin West wrote:
> > Nice!  FYI: http://encyte
media.com/event-selectors/ takes a similar
> > approach;
  <snip>
> Thanks Ben! I took a look at the encytemedia.com
version and I like it
> a lot! Thanks for the feedback.

If you prefer Prototype, I'd suggest you to check Low Pro
as
event:Selectors is too slow, IMHO.

You may also want to check my post here
<http://rajeshanbiah.blog
spot.com/2006/09/behaviorsjs-alternative-to-behaviourjs.html
>

--
  <?php echo 'Just another PHP saint'; ?>
Email: rrjanbiah-at-Y!com    Blog: http://rajeshanbiah
.blogspot.com/


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