WordPress custom loop for use with the Genesis framework. Post titles display as a simple vertical list when viewing a category.

functions.php

//Add this to the bottom of your functions.php file
//Must be using Genesis framework for WordPress

//This code will change your category pages to contain a simple list of your post titles as links

add_action( 'pre_get_posts', 'mjg_show_titles_only_category_pages' );
function mjg_show_titles_only_category_pages( $query ) {
 
	if( $query->is_main_query() && $query->is_category() ) {
		$query->set( 'orderby', 'title' );
		$query->set( 'order', 'ASC' );
		
		remove_action( 'genesis_loop', 'genesis_do_loop' );
		add_action( 'genesis_loop', 'mjg_custom_loop' );
	}
}
 
function mjg_custom_loop() {
 
 	echo '<ul class="category-post-title-list">';
	while (have_posts()) : the_post();
		?>
		<li><a href="<?php the_permalink() ?>"><?php the_title() ?></a></li>
	<?php
	endwhile;
}

style.css

/* Category page specific styling added 10/16/2014 */
.category-post-title-list {
	list-style:none;
	line-height:2em;
	margin-left:20px;
}