t('No style'), 'description' => t('The default panel rendering style; displays each pane with a separator.'), 'render region' => 'panels_default_style_render_region', 'weight' => -15, ); /** * Render callback. * * @ingroup themeable */ function theme_panels_default_style_render_region($display, $region_id, $panes, $settings) { $output = ''; $print_separator = FALSE; foreach ($panes as $pane_id => $pane_output) { // Add the separator if we've already displayed a pane. if ($print_separator) { $output .= '

'; } $output .= $pane_output; // If we displayed a pane, this will become true; if not, it will become // false. $print_separator = (bool) $pane_output; } return $output; }