diff --git a/admin/include/themes.class.php b/admin/include/themes.class.php
index c326ea424..78716214e 100644
--- a/admin/include/themes.class.php
+++ b/admin/include/themes.class.php
@@ -52,6 +52,7 @@ class themes
$tabsheet = new tabsheet();
$tabsheet->add('themes_installed', l10n('Installed Themes'), $link.'themes_installed');
+ $tabsheet->add('themes_update', l10n('Check for updates'), $link.'themes_update');
$tabsheet->add('themes_new', l10n('Add New Theme'), $link.'themes_new');
$tabsheet->select($selected);
$tabsheet->assign();
diff --git a/admin/themes/default/template/themes_update.tpl b/admin/themes/default/template/themes_update.tpl
new file mode 100644
index 000000000..f83c09ce3
--- /dev/null
+++ b/admin/themes/default/template/themes_update.tpl
@@ -0,0 +1,77 @@
+{combine_script id='jquery.cluetip' load='async' require='jquery' path='themes/default/js/plugins/jquery.cluetip.packed.js'}
+{footer_script require='jquery.cluetip'}
+jQuery().ready(function(){ldelim}
+ jQuery('.cluetip').cluetip({ldelim}
+ width: 300,
+ splitTitle: '|'
+ });
+});
+{/footer_script}
+
+
+
{'Check for updates'|@translate}
+
+
+{if isset($themes_not_uptodate)}
+
+{'Themes which need upgrade'|@translate}
+
+{/if}
+
+
+{if isset($themes_uptodate)}
+
+{'Themes up to date'|@translate}
+
+
+
+ | {'Name'|@translate} |
+ {'Version'|@translate} |
+
+
+{foreach from=$themes_uptodate item=theme name=themes_loop}
+
+ | {$theme.NAME} |
+ {$theme.VERSION} |
+
+{/foreach}
+
+{/if}
+
+
+{if isset($themes_cant_check)}
+
+{'Theme versions can\'t be checked'|@translate}
+
+
+
+ | {'Name'|@translate} |
+ {'Version'|@translate} |
+
+
+{foreach from=$themes_cant_check item=theme name=themes_loop}
+
+ | {$theme.NAME} |
+ {$theme.VERSION} |
+
+{/foreach}
+
+{/if}
diff --git a/admin/themes_update.php b/admin/themes_update.php
new file mode 100644
index 000000000..c68068737
--- /dev/null
+++ b/admin/themes_update.php
@@ -0,0 +1,157 @@
+set_tabsheet($page['page']);
+
+//-----------------------------------------------------------automatic upgrade
+if (isset($_GET['theme']) and isset($_GET['revision']))
+{
+ if (!is_webmaster())
+ {
+ array_push($page['errors'], l10n('Webmaster status is required.'));
+ }
+ else
+ {
+ check_pwg_token();
+
+ $theme_id = $_GET['theme'];
+ $revision = $_GET['revision'];
+
+ $upgrade_status = $themes->extract_theme_files('upgrade', $revision, $theme_id);
+
+ switch ($upgrade_status)
+ {
+ case 'ok':
+ array_push($page['infos'],
+ sprintf(
+ l10n('%s has been successfully upgraded.'),
+ $themes->fs_themes[$_GET['theme']]['name']));
+ break;
+
+ case 'temp_path_error':
+ array_push($page['errors'], l10n('Can\'t create temporary file.'));
+ break;
+
+ case 'dl_archive_error':
+ array_push($page['errors'], l10n('Can\'t download archive.'));
+ break;
+
+ case 'archive_error':
+ array_push($page['errors'], l10n('Can\'t read or extract archive.'));
+ break;
+
+ default:
+ array_push($page['errors'],
+ sprintf(l10n('An error occured during extraction (%s).'), $_GET['upgradestatus'])
+ );
+ }
+
+ $themes->themes();
+ $template->delete_compiled_templates();
+ }
+}
+
+// +-----------------------------------------------------------------------+
+// | start template output |
+// +-----------------------------------------------------------------------+
+$template->set_filenames(array('themes' => 'themes_update.tpl'));
+
+if ($themes->get_server_themes())
+{
+ foreach($themes->fs_themes as $theme_id => $fs_theme)
+ {
+ if (isset($fs_theme['extension'])
+ and isset($themes->server_themes[$fs_theme['extension']]))
+ {
+ $theme_info = $themes->server_themes[$fs_theme['extension']];
+
+ list($date, ) = explode(' ', $theme_info['revision_date']);
+
+ $ext_desc = ''.l10n('Downloads').': '.$theme_info['extension_nb_downloads']."\r\n"
+ ."\r\n"
+ .$theme_info['extension_description'];
+
+ $rev_desc = ''.l10n('Version').': '.$theme_info['revision_name']."\r\n"
+ .''.l10n('Released on').': '.$date."\r\n"
+ .''.l10n('Downloads').': '.$theme_info['revision_nb_downloads']."\r\n"
+ ."\r\n"
+ .$theme_info['revision_description'];
+
+ if ($themes->theme_version_compare($fs_theme['version'], $theme_info['revision_name']))
+ {
+ // Plugin is up to date
+ $template->append('themes_uptodate', array(
+ 'URL' => PEM_URL.'/extension_view.php?eid='.$theme_info['extension_id'],
+ 'NAME' => $fs_theme['name'],
+ 'EXT_DESC' => $ext_desc,
+ 'VERSION' => $fs_theme['version'],
+ 'VER_DESC' => $rev_desc));
+ }
+ else
+ {
+ // Plugin need upgrade
+ $url_auto_update = $base_url
+ . '&revision=' . $theme_info['revision_id']
+ . '&theme=' . $theme_id
+ . '&pwg_token='.get_pwg_token()
+ ;
+
+ $template->append('themes_not_uptodate', array(
+ 'EXT_NAME' => $fs_theme['name'],
+ 'EXT_URL' => PEM_URL.'/extension_view.php?eid='.$theme_info['extension_id'],
+ 'EXT_DESC' => $ext_desc,
+ 'VERSION' => $fs_theme['version'],
+ 'NEW_VERSION' => $theme_info['revision_name'],
+ 'NEW_VER_DESC' => $rev_desc,
+ 'URL_UPDATE' => $url_auto_update,
+ 'URL_DOWNLOAD' => $theme_info['download_url'] . '&origin=piwigo_download'));
+ }
+ }
+ else
+ {
+ // Can't check theme
+ $template->append('themes_cant_check', array(
+ 'NAME' => $fs_theme['name'],
+ 'VERSION' => $fs_theme['version']));
+ }
+ }
+}
+else
+{
+ array_push($page['errors'], l10n('Can\'t connect to server.'));
+}
+
+$template->assign_var_from_handle('ADMIN_CONTENT', 'themes');
+?>
\ No newline at end of file
diff --git a/language/en_UK/admin.lang.php b/language/en_UK/admin.lang.php
index 0ce16e86d..578ffe5cf 100644
--- a/language/en_UK/admin.lang.php
+++ b/language/en_UK/admin.lang.php
@@ -775,4 +775,7 @@ $lang['Your configuration settings are saved'] = 'Your configuration settings ar
$lang['[%s] Visit album %s'] = "[%s] Visit album %s";
$lang['[NBM] Problems or questions'] = "[NBM] Problems or questions";
$lang['[Simulation]'] = "[Simulation]";
+$lang['Themes which need upgrade'] = 'Themes which need upgrade';
+$lang['Themes up to date'] = 'Themes up to date';
+$lang['Theme versions can\'t be checked'] = 'Theme versions can\'t be checked';
?>
\ No newline at end of file
diff --git a/language/fr_FR/admin.lang.php b/language/fr_FR/admin.lang.php
index 24956b471..f55b35f1c 100644
--- a/language/fr_FR/admin.lang.php
+++ b/language/fr_FR/admin.lang.php
@@ -786,4 +786,7 @@ $lang['You have %d orphan tags: %s.'] = 'Vous avez %d tags orphelins: %s.';
$lang['Delete orphan tags'] = 'Supprimer les tags orphelins';
$lang['delete photo'] = 'supprimer la photo';
$lang['Remove from caddie'] = 'Retirer du panier';
+$lang['Themes which need upgrade'] = 'Thèmes à mettre à jour';
+$lang['Themes up to date'] = 'Thèmes à jour';
+$lang['Theme versions can\'t be checked'] = 'Impossible de vérifier les thèmes suivants';
?>