Вопрос по поиску

->orderField(Core_QueryBuilder::expression('FIELD(module,  3, 0, 1, 2, 4)'))

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE xsl:stylesheet>
<xsl:stylesheet version="1.0"
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   xmlns:hostcms="http://www.hostcms.ru/"
   exclude-result-prefixes="hostcms">
   <xsl:output xmlns="http://www.w3.org/TR/xhtml1/strict" doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN" encoding="utf-8" indent="yes" method="html" omit-xml-declaration="no" version="1.0" media-type="text/xml"/>
   
   <xsl:decimal-format name="my" decimal-separator="," grouping-separator=" "/>
   
   <xsl:template match="/">
      <xsl:apply-templates select="/site"/>
   </xsl:template>
   
   <xsl:template match="/site">
      <form method="get" action="/search/">
         <xsl:if test="query!=''">
            <p>
               <strong>
                  Найдено <xsl:value-of select="total"/>
                  <xsl:text> </xsl:text>
                  <xsl:call-template name="declension">
                     <xsl:with-param name="number" select="total"/>
                  </xsl:call-template>
               </strong>.
            </p>
            
            <xsl:if test="total != 0">
               <xsl:if test="1 = 0">
                  <div class="shop_filter">
                     <div class="sorting">
                        Выберите тип сортировки:
                        <xsl:text> </xsl:text>
                        <select name="sorting" onchange="$(this).parents('form:first').submit()">
                           <option>Сортировать</option>
                           <option value="1">
                              <xsl:if test="search_sorting = 1">
                                 <xsl:attribute name="selected">selected</xsl:attribute>
                              </xsl:if>
                              
                              По цене (сначала дешевые)
                           </option>
                           <option value="2">
                              <xsl:if test="search_sorting = 2">
                                 <xsl:attribute name="selected">selected</xsl:attribute>
                              </xsl:if>
                              
                              По цене (сначала дорогие)
                           </option>
                        </select>
                     </div>
                  </div>
               </xsl:if>
               <div>
                  <input id="search" type="text" name="text" value="{query}" maxlength="200" class="input_buttom_search"/>
                  <xsl:text> </xsl:text>
                  <input type="submit" class="button" value="Искать"/>
               </div>
               <div class="catalog clearfix">
                  <div class="catalog_wrap">
                     <!-- Выводим товары магазина -->
                     <xsl:apply-templates select="search_page/shop_item" />
                  </div>
               </div>
               
               <xsl:if test="total &gt; 0 and limit &gt; 0">
                  <xsl:variable name="count_pages" select="ceiling(total div limit)"/>
                  <xsl:variable name="visible_pages" select="5"/>
                  <xsl:variable name="real_visible_pages"><xsl:choose>
                        <xsl:when test="$count_pages &lt; $visible_pages"><xsl:value-of select="$count_pages"/></xsl:when>
                        <xsl:otherwise><xsl:value-of select="$visible_pages"/></xsl:otherwise>
                  </xsl:choose></xsl:variable>
                  <xsl:variable name="pre_count_page"><xsl:choose>
                        <xsl:when test="(page) - (floor($real_visible_pages div 2)) &lt; 0">
                           <xsl:value-of select="page"/>
                        </xsl:when>
                        <xsl:when test="($count_pages  - (page) - 1) &lt; floor($real_visible_pages div 2)">
                           <xsl:value-of select="$real_visible_pages - ($count_pages  - (page) - 1) - 1"/>
                        </xsl:when>
                        <xsl:otherwise>
                           <xsl:choose>
                              <xsl:when test="round($real_visible_pages div 2) = $real_visible_pages div 2">
                                 <xsl:value-of select="floor($real_visible_pages div 2) - 1"/>
                              </xsl:when>
                              <xsl:otherwise>
                                 <xsl:value-of select="floor($real_visible_pages div 2)"/>
                              </xsl:otherwise>
                           </xsl:choose>
                        </xsl:otherwise>
                  </xsl:choose></xsl:variable>
                  <xsl:variable name="post_count_page"><xsl:choose>
                        <xsl:when test="0 &gt; (page) - (floor($real_visible_pages div 2) - 1)">
                           <xsl:value-of select="$real_visible_pages - (page) - 1"/>
                        </xsl:when>
                        <xsl:when test="($count_pages  - (page) - 1) &lt; floor($real_visible_pages div 2)">
                           <xsl:value-of select="$real_visible_pages - $pre_count_page - 1"/>
                        </xsl:when>
                        <xsl:otherwise>
                           <xsl:value-of select="$real_visible_pages - $pre_count_page - 1"/>
                        </xsl:otherwise>
                  </xsl:choose></xsl:variable>
                  <xsl:variable name="i"><xsl:choose>
                        <xsl:when test="(page) + 1 = $count_pages"><xsl:value-of select="(page) - $real_visible_pages + 1"/></xsl:when>
                        <xsl:when test="(page) - $pre_count_page &gt; 0"><xsl:value-of select="(page) - $pre_count_page"/></xsl:when>
                        <xsl:otherwise>0</xsl:otherwise>
                  </xsl:choose></xsl:variable>
                  
                  
                  <div class="b-pagination">
                     <ul class="b-pagination__list">
                        <xsl:if test="$count_pages &gt; 1">
                           <xsl:call-template name="for">
                              <xsl:with-param name="limit" select="limit"/>
                              <xsl:with-param name="page" select="page"/>
                              <xsl:with-param name="items_count" select="total"/>
                              <xsl:with-param name="i" select="$i"/>
                              <xsl:with-param name="post_count_page" select="$post_count_page"/>
                              <xsl:with-param name="pre_count_page" select="$pre_count_page"/>
                              <xsl:with-param name="visible_pages" select="$real_visible_pages"/>
                           </xsl:call-template>
                        </xsl:if>
                     </ul>
                  </div>
               </xsl:if>
            </xsl:if>
         </xsl:if>
         
         <xsl:if test="query = ''">
            <p>Введите поисковой запрос.</p>
            <div>
               <input id="search" type="text" name="text" value="{query}" maxlength="200" class="input_buttom_search"/>
               <xsl:text> </xsl:text>
               <input type="submit" class="button" value="Искать"/>
            </div>
         </xsl:if>
         
      </form>
      
      <div class="clear"></div>
   </xsl:template>
   
   <!-- Шаблон для товара -->
   <xsl:template match="shop_item">
      <div class="catalog__item"><img class="catalog__item-img" src="{dir}{image_small}" /><a class="catalog__item-name" href="{url}"><xsl:value-of disable-output-escaping="yes" select="name"/></a>
         <div class="catalog__item-color"><span class="catalog__item-color-label">Цвет:</span>
            <div class="dropdown">
               <button class="dropdown__btn">1/2</button>
               <div class="dropdown__list">
                  <button class="dropdown__list-btn">1/2</button>
                  <button class="dropdown__list-btn">1/4</button>
                  <button class="dropdown__list-btn">1/8</button>
               </div>
            </div>
         </div>
   <div class="catalog__item-price-wrap"><span class="catalog__item-price"><xsl:value-of select="format-number(price, '### ##0,00', 'my')"/><xsl:text> </xsl:text><xsl:value-of select="currency"/><xsl:text> </xsl:text></span>
            <input type="hidden" id="quantity_{@id}" value="1" />
         <a href="{/shop/url}cart/?add={@id}" onclick="return $.addIntoCart('{/shop/url}cart/', {@id}, $('#quantity_{@id}').val())" class="catalog__item-buy to-cart bt-orange2" >купить</a></div>
      </div>
   </xsl:template>
   
   <!-- Цикл для вывода строк ссылок -->
   <xsl:template name="for">
      <xsl:param name="limit"/>
      <xsl:param name="page"/>
      <xsl:param name="pre_count_page"/>
      <xsl:param name="post_count_page"/>
      <xsl:param name="i" select="0"/>
      <xsl:param name="items_count"/>
      <xsl:param name="visible_pages"/>
      
      <xsl:variable name="n" select="ceiling($items_count div $limit)"/>
      
      <xsl:variable name="start_page"><xsl:choose>
            <xsl:when test="$page + 1 = $n"><xsl:value-of select="$page - $visible_pages + 1"/></xsl:when>
            <xsl:when test="$page - $pre_count_page &gt; 0"><xsl:value-of select="$page - $pre_count_page"/></xsl:when>
            <xsl:otherwise>0</xsl:otherwise>
      </xsl:choose></xsl:variable>
      
      <xsl:if test="$items_count &gt; $limit and ($page + $post_count_page + 1) &gt; $i">
         
         <!-- Ссылка на текущий узел структуры -->
         <xsl:variable name="link" select="/site/url" />
         
         <!-- Текст поискового запроса -->
         <xsl:variable name="queryencode">?text=<xsl:value-of select="/site/queryencode"/>&amp;sorting=<xsl:value-of select="/site/search_sorting" /></xsl:variable>
         
         <!-- Определяем адрес ссылки -->
         <xsl:variable name="number_link">
            <xsl:choose>
               <!-- Если не нулевой уровень -->
               <xsl:when test="$i != 0">page-<xsl:value-of select="$i + 1"/>/</xsl:when>
               <!-- Иначе если нулевой уровень - просто ссылка на страницу со списком элементов -->
               <xsl:otherwise></xsl:otherwise>
            </xsl:choose>
         </xsl:variable>
         
         <!-- Выводим ссылку на первую страницу -->
         <xsl:if test="$page - $pre_count_page &gt; 0 and $i = $start_page">
            <a href="{$link}{$queryencode}" class="page_link" style="text-decoration: none;">←</a>
         </xsl:if>
         
         <!-- Ставим ссылку на страницу-->
         <xsl:if test="$i != $page">
            <xsl:if test="($page - $pre_count_page) &lt;= $i and $i &lt; $n">
               <!-- Выводим ссылки на видимые страницы -->
               <a href="{$link}{$number_link}{$queryencode}" class="page_link">
                  <xsl:value-of select="$i + 1"/>
               </a>
            </xsl:if>
            
            <!-- Выводим ссылку на последнюю страницу -->
            <xsl:if test="$i+1 &gt;= ($page + $post_count_page + 1) and $n &gt; ($page + 1 + $post_count_page)">
               <!-- Выводим ссылку на последнюю страницу -->
               <a href="{$link}page-{$n}/{$queryencode}" class="page_link" style="text-decoration: none;">→</a>
            </xsl:if>
         </xsl:if>
         
         <!-- Ссылка на предыдущую страницу для Ctrl + влево -->
         <xsl:if test="$page != 0 and $i = $page">
            <xsl:variable name="prev_number_link">
               <xsl:choose>
                  <!-- Если не нулевой уровень -->
                  <xsl:when test="$page &gt; 1">page-<xsl:value-of select="$i"/>/</xsl:when>
                  <!-- Иначе если нулевой уровень - просто ссылка на страницу со списком элементов -->
                  <xsl:otherwise></xsl:otherwise>
               </xsl:choose>
            </xsl:variable>
            
            <a href="{$link}{$prev_number_link}{$queryencode}" id="id_prev"></a>
         </xsl:if>
         
         <!-- Ссылка на следующую страницу для Ctrl + вправо -->
         <xsl:if test="($n - 1) > $page and $i = $page">
            <a href="{$link}page-{$page+2}/{$queryencode}" id="id_next"></a>
         </xsl:if>
         
         <!-- Не ставим ссылку на страницу-->
         <xsl:if test="$i = $page">
            <span class="current">
               <xsl:value-of select="$i+1"/>
            </span>
         </xsl:if>
         
         <!-- Рекурсивный вызов шаблона. НЕОБХОДИМО ПЕРЕДАВАТЬ ВСЕ НЕОБХОДИМЫЕ ПАРАМЕТРЫ! -->
         <xsl:call-template name="for">
            <xsl:with-param name="i" select="$i + 1"/>
            <xsl:with-param name="limit" select="$limit"/>
            <xsl:with-param name="page" select="$page"/>
            <xsl:with-param name="items_count" select="$items_count"/>
            <xsl:with-param name="pre_count_page" select="$pre_count_page"/>
            <xsl:with-param name="post_count_page" select="$post_count_page"/>
            <xsl:with-param name="visible_pages" select="$visible_pages"/>
         </xsl:call-template>
      </xsl:if>
   </xsl:template>
   
   <!-- Склонение после числительных -->
   <xsl:template name="declension">
      <xsl:param name="number" select="number"/>
      
      <!-- Именительный падеж -->
      <xsl:variable name="nominative">
         <xsl:text>товар</xsl:text>
      </xsl:variable>
      
      <!-- Родительный падеж, единственное число -->
      <xsl:variable name="genitive_singular">
         <xsl:text>товара</xsl:text>
      </xsl:variable>
      
      <xsl:variable name="genitive_plural">
         <xsl:text>товаров</xsl:text>
      </xsl:variable>
      
      <xsl:variable name="last_digit">
         <xsl:value-of select="$number mod 10"/>
      </xsl:variable>
      
      <xsl:variable name="last_two_digits">
         <xsl:value-of select="$number mod 100"/>
      </xsl:variable>
      
      <xsl:choose>
         <xsl:when test="$last_digit = 1 and $last_two_digits != 11">
            <xsl:value-of select="$nominative"/>
         </xsl:when>
         <xsl:when test="$last_digit = 2 and $last_two_digits != 12     or     $last_digit = 3 and $last_two_digits != 13     or     $last_digit = 4 and $last_two_digits != 14">
            <xsl:value-of select="$genitive_singular"/>
         </xsl:when>
         <xsl:otherwise>
            <xsl:value-of select="$genitive_plural"/>
         </xsl:otherwise>
      </xsl:choose>
   </xsl:template>
</xsl:stylesheet>