On Lunes, 14 de Noviembre de 2011 12:49:55 Ole Rummel escribió:
> Hi,
> thanks for the quick answer. The above is just an example to get the
> idea of live updating.
>
> What I have is a model Status with a column :summary and the following
> overrides
>
>
> def summary_form_column(record, options)
> text_area :record, :summary, options.merge(:size =>
> "80x40", :value => record.summary || record.default_summary)
> end
>
> def summary_to_html__form_column(record)
> record.summary_to_html
> end
>
>
> Currently I see the last version of my :summary rendered as html. What
> I want is live rendering of the html during editing of the text_area.
> So I need to somehow get the summary_to_html_form dynamic.
>
This is simpler than your example of products and total, because there is no
associations involved. You only need to set update_columns for summary column:
conf.columns[:summary].update_columns = :summary_to_html
It will be updated in change event (when focus is lost). However, there was a
bug and update_columns it wasn't working for textareas, it will be fixed in
next version. Also, you can enable live updating on keyup event for summary
column addind this javascript code:
$('text_area.summary-column.update_form').live('keyup', function(event) {
var element = $(this), value = element.val();
ActiveScaffold.update_column(element, element.attr('data-update_url'),
element.attr('data-update_send_form'), element.attr('id'), value);
return true;
});
Maybe you will have to improve that code with timeouts so you don't do too
many requests, but it's up to you.
--
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