functions to modify the behaviour of Media Library in Wordpress

WP-media-library-stuff

// à mettre dans le fichier functions.php


// create a new category in Media Library for PDF file type
function modify_post_mime_types( $post_mime_types ) {

        // select the mime type, here: 'application/pdf'
	// then we define an array with the label values
	$post_mime_types['application/pdf'] = array( __( 'PDFs' ), __( 'Manage PDFs' ), _n_noop( 'PDF <span class="count">(%s)</span>', 'PDFs <span class="count">(%s)</span>' ) );

	// then we return the $post_mime_types variable
	return $post_mime_types;
}
add_filter( 'post_mime_types', 'modify_post_mime_types' );


// ----------------


// s'il s'agit pas d'un administrateur
// montrer seulement les images à lui

add_action('pre_get_posts','users_own_attachments');
function users_own_attachments( $wp_query_obj ) {
 
    global $current_user, $pagenow;
 
    if( !is_a( $current_user, 'WP_User') )
        return;
    if( 'upload.php' != $pagenow )
        return;
 
    if( !current_user_can('delete_pages') )
        $wp_query_obj-&gt;set('author', $current_user-&gt;id );
 
    return;
}