Overrides theme_custom_block_add_list().
Displays the list of available custom block types for creation.
function seven_custom_block_add_list($variables) {
$content = $variables['content'];
$output = '';
if ($content) {
$output = '<ul class="admin-list">';
foreach ($content as $type) {
$output .= '<li class="clearfix">';
$content = '<span class="label">' . check_plain($type
->label()) . '</span>';
$content .= '<div class="description">' . filter_xss_admin($type->description) . '</div>';
$options['html'] = TRUE;
$output .= l($content, 'block/add/' . $type
->id(), $options);
$output .= '</li>';
}
$output .= '</ul>';
}
return $output;
}