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Nested topic list code snippet

    • Posted 2 years ago #

    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.

    • Posted 2 years ago #

    Could you show us an example of how this works?

    • Posted 2 years ago #

    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

    • Posted 2 years ago #

    Can someone simplify this code?

    1. to show only the parent forums

    • Posted 1 year ago #

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

    thanks,

    J

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