Refactor sidebar_blocks into a separate function and then call block_manager::get_html(site.sidebar). Convert image_block to use block management instead of theme::sidebar_blocks

modules/gallery/libraries/Theme_View.php

@@ -153,6 +153,13 @@ class Theme_View_Core extends Gallery_View {
     return message::get();
   }
 
+  /**
+   * Print out the sidebar.
+   */
+  public function sidebar_blocks() {
+    return block_manager::get_html("site.sidebar");
+  }
+
   /**
    * Handle all theme functions that insert module content.
    */

modules/image_block/helpers/image_block_block.php

@@ -17,34 +17,47 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
  */
-class image_block_theme_Core {
-  static function sidebar_blocks($theme) {
+class image_block_block_Core {
+  static function get_site_list() {
+    return array("random_image" => t("Random Image"));
+  }
+
+  static function get($block_id) {
     $block = new Block();
-    $block->css_id = "gImageBlock";
-    $block->title = t("Random Image");
-    $block->content = new View("image_block_block.html");
+    switch ($block_id) {
+    case "random_image":
+      $block = new Block();
+      $block->css_id = "gImageBlock";
+      $block->title = t("Random Image");
+      $block->content = new View("image_block_block.html");
 
-    $random = ((float)mt_rand()) / (float)mt_getrandmax();
+      $random = ((float)mt_rand()) / (float)mt_getrandmax();
 
-    $items = ORM::factory("item")
-      ->viewable()
-      ->where("type !=", "album")
-      ->where("rand_key < ", $random)
-      ->orderby(array("rand_key" => "DESC"))
-      ->find_all(1);
-
-    if ($items->count() == 0) {
-      // Try once more.  If this fails, just ditch the block altogether
       $items = ORM::factory("item")
         ->viewable()
         ->where("type !=", "album")
-        ->where("rand_key >= ", $random)
+        ->where("rand_key < ", $random)
         ->orderby(array("rand_key" => "DESC"))
         ->find_all(1);
+
+      if ($items->count() == 0) {
+        // Try once more.  If this fails, just ditch the block altogether
+        $items = ORM::factory("item")
+          ->viewable()
+          ->where("type !=", "album")
+          ->where("rand_key >= ", $random)
+          ->orderby(array("rand_key" => "DESC"))
+          ->find_all(1);
+      }
+
+      if ($items->count() > 0) {
+        $block->content->item = $items->current();
+      } else {
+        $block = "";
+      }
+      break;
     }
 
-    $block->content->item = $items->current();
-
-    return $items->count() == 0 ? "" : $block;
+    return $block;
   }
 }

modules/image_block/helpers/image_block_installer.php

@@ -0,0 +1,32 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2009 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class image_block_installer {
+  static function install() {
+    block_manager::add("site.sidebar", "image_block", "random_image");
+    module::set_version("image_block", 2);
+  }
+
+  static function upgrade($version) {
+    if ($version == 1) {
+      block_manager::add("site.sidebar", "image_block", "random_image");
+      module::set_version("image_block", 2);
+    }
+  }
+}

modules/image_block/module.info

@@ -1,3 +1,3 @@
 name = "Image Block"
 description = "Display a random image in the sidebar"
-version = 1
+version = 2