[Seaside] Simple new method with a periodical on WATagbrush

[Leandro Pérez]

Hello everyone!

I want to add a simple method similar to this one below to WATagBrush: 

WATagBrush >> time:initialRenderBlock
        self with: initialRenderBlock.
	canvas script: ((canvas periodical)
				assignTo: 'my_periodical';
				frequency: 2 seconds;
				callback: [:r | r render:Time now ])

it would be used like this:

renderContentOn:html
      html div time:'Calculating time...'.

The effect would be the same as:
renderContentOn:html
html div script: ((html periodical)
		assignTo: 'my_periodical';
		frequency: 5 seconds;
		callback:[:r | html render: Time now]);

The problem is, when the page is rendered, "Calculating time..." appears but
nothing more happens, the periodical is not there...

this is not particularly what i need to do, but works well as an explanation
example.

any ideas?
i'm currently using
        VisualWorks NonCommercial, 7.5
        Seaside2.7b1
        Scriptaculous2.6-mb.8 

thanks in advance, best regards
Leandro


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