On Tue, Dec 29, 2009 at 11:59 PM, John Debs <johnthed...@gmail.com> wrote:
>
>
> On Dec 29, 9:08 pm, James Bennett <ubernost...@gmail.com> wrote:
>
>> It is built in, though, it's just called "slice". The only thing
>> people seem to offer to differentiate this proposal from the existing
>> filter is that the proposed "truncate" would add an ellipsis at the
>> end, and honestly I'm not really convinced that's a significant enough
>> use case to warrant adding another built-in filter.
>
> For what it's worth, it's something I've wanted (and wondered about)
> for several of my projects, and I've heard the same from others. It
> seems to me that more often than not, developers want an ellipsis when
> truncating strings like that.
>
> I thought about suggesting adding an option to the existing slice
> filter but I really think that's its own use case and that there
> should be a new truncatestring filter that matches the syntax of
> truncatewords.
>
> It's especially unclear to new developers that they should accomplish
> this with slice (and an if statement checking the length of the
> string) - and it's not very DRY. The convenience of having slice is
> undermined by the fact that many aren't clever enough to use it this
> way - it certainly didn't occur to me.
>
> So, +1 to this idea.
>
> John
>
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Adding the ellepsis is as simple as:
{{ foo|slice:":100" }}{% if foo|length > 100 %}...{% endif %}
Given that the recent expansion of the {% if %} tag makes that so easy
I don't think it's a compelling reason to add a {% truncate %} tag.
Alex
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