related to #1657 upsize svg if they are too small

admin/batch_manager_unit.php

@@ -212,7 +212,8 @@ SELECT
     {
       $legend.= ' ('.$row['file'].')';
     }
-
+    $extTab = explode('.',$row['path']);
+    
     $template->append(
       'elements', array_merge($row,
       array(
@@ -227,6 +228,7 @@ SELECT
         'DESCRIPTION' => htmlspecialchars(@$row['comment']),
         'DATE_CREATION' => $row['date_creation'],
         'TAGS' => $tag_selection,
+        'is_svg' => (strtoupper(end($extTab)) == 'SVG'),
         )
       ));
   }

admin/themes/default/template/batch_manager_unit.tpl

@@ -58,7 +58,7 @@ jQuery("a.preview-box").colorbox( {
   <legend>{$element.LEGEND}</legend>
 
   <span class="thumb">
-    <a href="{$element.FILE_SRC}" class="preview-box icon-zoom-in" title="{$element.LEGEND|@htmlspecialchars}"><img src="{$element.TN_SRC}" alt="" {if $current.is_svg}style="{if $current.width < 100}min-width: 100px;{/if}{if $current.height < 100} min-height: 100px; {/if}" {/if}></a>
+    <a href="{$element.FILE_SRC}" class="preview-box icon-zoom-in" title="{$element.LEGEND|@htmlspecialchars}"><img src="{$element.TN_SRC}" alt="" {if $element.is_svg}style="{if $current.width < 100}min-width: 100px;{/if}{if $current.height < 100} min-height: 100px; {/if}" {/if}></a>
     <a href="{$element.U_EDIT}" class="icon-pencil">{'Edit'|@translate}</a>
   </span>