Thats fantastic Christophe, thank you very much for your help. It all
makes much more sense now, I'm going to go and have a play. I'll be
sure to come back and let you know how I get on.
Once again thank you very much for taking the time out to help, you're
a gent!!
Many thanks
Mark
On Feb 20, 3:00 pm, Christophe Porteneuve <[EMAIL PROTECTED]> wrote:
> Hey Mark,
>
> Mark a écrit :
>
> > window.onload=function()
>
> First, don't do that. Please :-) Use this:
>
> Event.observe(window, 'load', function() {...});
>
> > variable. How would I apply the draggable call to the div when I'm
> > creating it at run time?
>
> Right after you create those. OK, let's say I'm smack in your XML
> parsing code. It probably goes something like this:
>
> // general loop over some XML nodeset -- n is the current node
> var div = document.createElement('DIV');
> div.id = 'clipping_' + ....;
> ...
> someParentNode.appendChild(div);
> // end of loop
>
> Am I right?
>
> Now, what you can do is this, right after appendChild:
>
> div._myDraggable = new Draggable(div, { ...options... });
>
> That takes care of the creation time.
>
> Now, the code that strips existing DIVs from their container before
> creating new ones in their stead could go like this:
>
> 1) Fetch the DIVs. If these are the only children of your container,
> go like this:
>
> var divs = $('containerId').immediateDescendants();
>
> If there are other things, but they have a specific class:
>
> var divs = $('containerId').getElementsByClassName('clipping');
>
> If they only have their ID pattern to identify them, go like this:
>
> var divs = $('containerId').immediateDescendants().select(
> function(div) { return div.id.startsWith('clipping_'); });
>
> Now, you can deregister their draggables:
>
> divs.each(function(div) { div._myDraggable.destroy(); });
>
> And you can remove them (either on the fly, in the callback function:
>
> divs.each(function(div) { div.remove()._myDraggable.destroy(); });
>
> Or by clearing the container:
>
> $('containerId').update('');
>
> However, you might want to split deregistration and removal, since the
> fetch-and-destroy-draggable bit can be used for toggling dragging off,
> as well. And symetric code can be used for toggling it on (reusing the
> create-and-assign line described earlier).
>
> 'HTH
>
> --
> Christophe Porteneuve aka TDD
> [EMAIL PROTECTED]
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