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Nested topic list code snippet

  • I figure someone might find this useful, as it took me a while to do properly. The following is some code I’m using to create a bullet point (<ul>) list of forums which nests sub-forums nicely, in my case for a sidebar.

    <?php if ( bb_forums() ) :
    while ( $depth = bb_forum() ) :
    if( $depth > $last_depth ) : ?>

    <?php echo str_repeat(" ",$depth) ?><ul>
    <?php else : ?></li>
    <?php while( $depth < $last_depth ) :
    echo str_repeat(" ",$depth+1) ?></ul>
    <?php echo str_repeat(" ",$depth) ?></li>
    <?php $last_depth--;
    endwhile;
    endif;
    if (bb_get_forum_is_category()) :
    echo str_repeat(" ",$depth) ?><li class="forum_cat"><a href="<?php forum_link() ?>" title="<?php forum_description(array('before'=>'','after'=>'')) ?>"><?php forum_name() ?></a><?php
    else :
    echo str_repeat(" ",$depth+1) ?><li class="forum_subforum"><a href="<?php forum_link() ?>" title="<?php forum_description(array('before'=>'','after'=>'')) ?>"><?php forum_name() ?></a><?php
    endif;
    $last_depth = $depth;
    endwhile ?></li>
    </ul>
    </li>
    </ul>
    <?php endif; // bb_forums() ?>

    It should give you reasonably clean indenting of HTML too and is XHTML 1.0 valid. Take out the str_repeat() calls if you don’t care about tidy code.

Viewing 4 replies - 1 through 4 (of 4 total)

  • Michael
    Member

    @michael888

    Could you show us an example of how this works?

    Sure.

    Some example output

    <ul>
    <li class="forum_subforum"><a href="http://www.foo.bar/forums/forum/ideas-comments" title="">Ideas & Comments</a>
    <ul>
    <li class="forum_cat"><a href="http://www.foo.bar/forums/forum/questions" title="">Questions</a>
    <ul>
    <li class="forum_subforum"><a href="http://www.foo.bar/forums/forum/metsoc" title="">Meetings / Socials</a></li>
    </ul>
    </li>
    </ul>
    </li>
    <li class="forum_subforum"><a href="http://www.foo.bar/forums/forum/tips-amp-tricks" title="">Tips & Tricks</a>
    <ul>
    <li class="forum_subforum"><a href="http://www.foo.bar/forums/forum/gigs" title="Music, bands, all that...">Gigs</a>
    <ul>
    <li class="forum_cat"><a href="http://www.foo.bar/forums/forum/everything-else" title="">Everything else</a></li>
    </ul>
    </li>
    <li class="forum_subforum"><a href="http://www.foo.bar/forums/forum/sports" title="">Sports</a></li>
    <li class="forum_subforum"><a href="http://www.foo.bar/forums/forum/minutes" title="">Minutes</a></li>
    </ul>
    </li>
    </ul>

    In a sidebar, styled with CSS: http://img27.imageshack.us/img27/385/capturecr.png

    Can someone simplify this code?

    1. to show only the parent forums

    @gerikg did you figure out how to show just the parent categories, and then the sub-categories on a separate page?

    thanks,

    J

Viewing 4 replies - 1 through 4 (of 4 total)

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