merge-r17765 from trunk to branch 2.4 feature 2737: improve tag administration screen

show for every tag
- the number of photos
- link to public index page
- link to batch manager edit

add an event for extended description multi language strings (used for autocompletion and shown in the tag admin screen) instead of hard coded in the core [lang=..

git-svn-id: http://piwigo.org/svn/branches/2.4@17766 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/include/functions.php

@@ -1205,7 +1205,7 @@ function create_virtual_category($category_name, $parent_id=null, $options=array
   {
     return array('error' => l10n('The name of an album must not be empty'));
   }
-    
+
   $insert = array(
     'name' => $category_name,
     'rank' => 0,
@@ -1474,11 +1474,14 @@ DELETE
       }
     }
 
-    mass_inserts(
-      IMAGE_TAG_TABLE,
-      array_keys($inserts[0]),
-      $inserts
-      );
+    if (count($inserts))
+    {
+      mass_inserts(
+        IMAGE_TAG_TABLE,
+        array_keys($inserts[0]),
+        $inserts
+        );
+    }
   }
 }
 
@@ -2095,38 +2098,46 @@ function get_taglist($query, $only_user_language=true)
   $result = pwg_query($query);
 
   $taglist = array();
+  $altlist = array();
   while ($row = pwg_db_fetch_assoc($result))
   {
-    if (!$only_user_language and preg_match_all('#\[lang=(.*?)\](.*?)\[/lang\]#is', $row['name'], $matches))
+    $raw_name = $row['name'];
+    $name = trigger_event('render_tag_name', $raw_name);
+
+    $taglist[] =  array(
+        'name' => $name,
+        'id' => '~~'.$row['id'].'~~',
+      );
+
+    if (!$only_user_language)
     {
-      foreach ($matches[2] as $tag_name)
+      $alt_names = trigger_event('get_tag_alt_names', array(), $raw_name);
+
+      // TEMP 2.4
+      if (count($alt_names)==0 and preg_match_all('#\[lang=(.*?)\](.*?)\[/lang\]#is', $row['name'], $matches))
       {
-        array_push(
-          $taglist,
-          array(
-            'name' => trigger_event('render_tag_name', $tag_name),
-            'id' => '~~'.$row['id'].'~~',
-            )
-          );
+        foreach ($matches[2] as $alt)
+        {
+          $alt_names[] = $alt;
+        }
       }
 
-      $row['name'] = preg_replace('#\[lang=(.*?)\](.*?)\[/lang\]#is', null, $row['name']);
-    }
-
-    if (strlen($row['name']) > 0)
-    {
-      array_push(
-        $taglist,
-        array(
-          'name' => trigger_event('render_tag_name', $row['name']),
-          'id' => '~~'.$row['id'].'~~',
-          )
-        );
+      foreach( array_diff( array_unique($alt_names), array($name) ) as $alt)
+      {
+        $altlist[] =  array(
+            'name' => $alt,
+            'id' => '~~'.$row['id'].'~~',
+          );
+      }
     }
   }
 
-  $cmp = create_function('$a,$b', 'return strcasecmp($a["name"], $b["name"]);');
-  usort($taglist, $cmp);
+  usort($taglist, 'tag_alpha_compare');
+  if (count($altlist))
+  {
+    usort($altlist, 'tag_alpha_compare');
+    $taglist = array_merge($taglist, $altlist);
+  }
 
   return $taglist;
 }