NEW : filter on extrafield on product list (as in company list)

htdocs/product/list.php

@@ -593,7 +593,26 @@
 			{
 			   foreach($extrafields->attribute_label as $key => $val)
 			   {
-					if (! empty($arrayfields["ef.".$key]['checked'])) print '<td class="liste_titre"></td>';
+					if (! empty($arrayfields["ef.".$key]['checked'])) {
+						$align=$extrafields->getAlignFlag($key);
+						$typeofextrafield=$extrafields->attribute_type[$key];
+						print '<td class="liste_titre'.($align?' '.$align:'').'">';
+						if (in_array($typeofextrafield, array('varchar', 'int', 'double', 'select')) && empty($extrafields->attribute_computed[$key]))
+						{
+							$crit=$val;
+							$tmpkey=preg_replace('/search_options_/','',$key);
+							$searchclass='';
+							if (in_array($typeofextrafield, array('varchar', 'select'))) $searchclass='searchstring';
+							if (in_array($typeofextrafield, array('int', 'double'))) $searchclass='searchnum';
+							print '<input class="flat'.($searchclass?' '.$searchclass:'').'" size="4" type="text" name="search_options_'.$tmpkey.'" value="'.dol_escape_htmltag($search_array_options['search_options_'.$tmpkey]).'">';
+						}
+						else
+						{
+							// for the type as 'checkbox', 'chkbxlst', 'sellist' we should use code instead of id (example: I declare a 'chkbxlst' to have a link with dictionnairy, I have to extend it with the 'code' instead 'rowid')
+							echo $extrafields->showInputField($key, $search_array_options['search_options_'.$key], '', '', 'search_');
+						}
+						print '</td>';
+					}
 			   }
 			}
     		// Fields from hook