On Wed, Oct 5, 2011 at 3:09 PM, Tsung-Hsien <jasoniem9...@gmail.com> wrote:
> I want to put pictures on website and to let each row shows only four
> pictures, but I write the template which shows each pictures in the
> same row.
> the loop within the <tr>, I think it should include <tr> and add if
> syntax to do that.
> How to write the syntax?
> thanks!
>
> {% load static %}
> {% get_static_prefix as STATIC_PREFIX %}
>
> <table>
> <tr>
> {% for photo in photos %}
> <td>
> <img src="{{ STATIC_PREFIX }}{{photo.image}}"
> width="186"
> height="186" alt="" />
> <p>{{photo.title}}</p>
> </td>
> {% endfor %}
> </tr>
> </table>
>
Within a for loop you have access to all sorts of counters:
https://docs.djangoproject.com/en/1.3/ref/templates/builtins/#for
You can use these counters, and the divisibleby filter to work out
when you need to output a new row:
https://docs.djangoproject.com/en/1.3/ref/templates/builtins/#divisibleby
So roughly:
{% for pic in pictures %}
{% if forloop.counter0|divisibleby:"4" %}<tr>{% endif %}
<td>{{ pic }}</td>
{% if forloop.counter0|divisibleby:"4" %}<tr>{% endif %}
{% endfor %}
Cheers
Tom
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