ture 1514: improvement, impossible to activate a theme is a parent is missing

(a parent includes grand father and his own father, and his own father, and so
on... until the root theme is "default" or has no parent declared)

git-svn-id: http://piwigo.org/svn/trunk@5259 68402e56-0260-453c-a942-63ccdbb3a9ee

2 files changed, 25 insertions, 4 deletions

diff --git a/admin/themes/default/template/themes_installed.tpl b/admin/themes/default/template/themes_installed.tpl
index 0a5a0cc85..4b050c51c 100644
--- a/admin/themes/default/template/themes_installed.tpl
+++ b/admin/themes/default/template/themes_installed.tpl
@@ -33,13 +33,21 @@
     <div class="themeName">{$theme.name}</div>
     <div class="themeShot"><img src="{$theme.screenshot}"></div>
     <div class="themeActions">
+
+  {if $theme.activable}
       <a href="{$activate_baseurl}{$theme.id}" title="{'Make this theme available to users'|@translate}">{'Activate'|@translate}</a>
+  {else}
+      <span title="{$theme.activate_tooltip}">{'Activate'|@translate}</span>
+  {/if}
+
       |
+
   {if $theme.deletable}
       <a href="{$delete_baseurl}{$theme.id}" onclick="return confirm('{'Are you sure?'|@translate|@escape:javascript}');" title="{'Delete this theme'|@translate}">{'Delete'|@translate}</a>
   {else}
       <span title="{$theme.delete_tooltip}">{'Delete'|@translate}</span>
   {/if}
+
     </div>
     
   </div>
diff --git a/admin/themes_installed.php b/admin/themes_installed.php
index 82efe569a..dda2ab6ed 100644
--- a/admin/themes_installed.php
+++ b/admin/themes_installed.php
@@ -89,7 +89,24 @@ foreach ($themes->fs_themes as $theme_id => $fs_theme)
   }
   else
   {
+    // is the theme "activable" ?
+    $fs_theme['activable'] = true;
+    
+    $missing_parent = $themes->missing_parent_theme($theme_id);
+    if (isset($missing_parent))
+    {
+      $fs_theme['activable'] = false;
+      
+      $fs_theme['activate_tooltip'] = sprintf(
+        l10n('Impossible to activate this theme, the parent theme is missing: %s'),
+        $missing_parent
+        );
+    }
+
+    // is the theme "deletable" ?
     $children = $themes->get_children_themes($theme_id);
+
+    $fs_theme['deletable'] = true;
     
     if (count($children) > 0)
     {
@@ -100,10 +117,6 @@ foreach ($themes->fs_themes as $theme_id => $fs_theme)
         implode(', ', $children)
         );
     }
-    else
-    {
-      $fs_theme['deletable'] = true;
-    }
     
     array_push($inactive_themes, $fs_theme);
   }