private static function line_item($line_items, $cost_fields, $quantity_fields, $description, $cost, $quantity, $is_fixed)
{
$select_display = $is_fixed ? "none" : "block";
$text_display = $is_fixed ? "block" : "none";
$str = "<tr class='gf_freshbooks_lineitem_row'>\r\n <td><select name='gf_freshbooks_lineitem[]' class='gf_freshbooks_lineitem'>{$line_items}</select></td>\r\n <td><input type='text' name='gf_freshbooks_item_description[]' value='{$description}'/></td>\r\n <td>\r\n <select name='gf_freshbooks_item_cost_field[]' class='gf_freshbooks_item_field' style='display:{$select_display}'>{$cost_fields}</select>\r\n <input type='text' name='gf_freshbooks_item_cost[]' class='gf_freshbooks_item_value' value='{$cost}' style='display:{$text_display}'/>\r\n </td>\r\n <td>\r\n <select name='gf_freshbooks_item_quantity_field[]' class='gf_freshbooks_item_field' style='display:{$select_display}'>{$quantity_fields}</select>\r\n <input type='text' name='gf_freshbooks_item_quantity[]' class='gf_freshbooks_item_value' value='{$quantity}' style='display:{$text_display}'/>\r\n </td>\r\n <td>\r\n <input type='image' src='" . GFFreshBooks::get_base_url() . "/images/remove.png' onclick='DeleteLineItem(this); return false;' alt='Delete' title='Delete' />\r\n <input type='image' src='" . GFFreshBooks::get_base_url() . "/images/add.png' onclick='AddLineItem(this); return false;' alt='Add line item' title='Add line item' />\r\n </td>\r\n </tr>";
return $str;
}
