Created
November 26, 2012 21:09
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P2P Admin Dropdown
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# author: sdls | |
# source: http://wordpress.org/support/topic/p2p-admin-view-sort-by-drop-down#post-3446538 | |
function restrict_posts_by_relation() { | |
global $typenow; | |
$post_type = 'yourfirstposttype'; // change HERE | |
$related_post = 'yoursecondposttype'; // change HERE | |
$related_post_drop_down = 'related_'. $related_post. '_post'; | |
if ($typenow == $post_type) { | |
// $selected = isset($_GET[$related_post]) ? $_GET[$related_post] : ''; | |
// create the drop down of related posts | |
$args = array( | |
'orderby'=>'title', | |
'order' => 'ASC', | |
'showposts' => '-1', | |
'post_type' => $related_post, | |
); | |
$dropposts = new WP_Query($args); | |
if( $dropposts->have_posts() ): | |
?> | |
<select id="<?php echo $related_post_drop_down; ?>" class="postform" name="<?php echo $related_post_drop_down; ?>"> | |
<?php | |
while( $dropposts->have_posts() ): $dropposts->the_post(); | |
// setup_postdata($post); | |
?> | |
<option class="level-1" value="<?php the_ID(); ?>"><?php the_title(); ?></option> | |
<?php | |
endwhile; | |
?> | |
</select> | |
<?php | |
endif; | |
wp_reset_postdata(); | |
}; | |
} | |
add_action('restrict_manage_posts', 'restrict_posts_by_relation'); | |
function convert_relation_to_query($query) { | |
global $pagenow; | |
$post_type = 'yourfirstposttype'; // change HERE | |
$related_post = 'yoursecondposttype'; // change HERE | |
$related_post_drop_down = 'related_'. $related_post. '_post'; | |
$connection_reference = 'youronnectionreference'; | |
// change HERE | |
$related_post_ID = $_GET[$related_post_drop_down]; | |
$q_vars = &$query->query_vars; | |
if ($pagenow == 'edit.php' && isset($q_vars['post_type']) && $q_vars['post_type'] == $post_type && isset($related_post_ID) && is_numeric($related_post_ID) && $related_post_ID != 0) { | |
// echo "beep"; | |
$mod_post = get_post( $related_post_ID ); | |
// print_r($mod_post); | |
$args = array( | |
'connected_type' => $connection_reference, | |
'connected_items' => $mod_post, | |
); | |
query_posts($args); | |
} | |
} | |
add_filter('parse_query', 'convert_relation_to_query'); |
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