From b78cee63950479abfa78df37a03388007f332543 Mon Sep 17 00:00:00 2001
From: Tim Almdal <tnalmdal@shaw.ca>
Date: Thu, 20 Nov 2008 17:32:58 +0000
Subject: A look at away to allow modules to define html head contents (links
 and js) and also allow modules to contribute blocks to the layout.

---
 core/helpers/core_installer.php | 10 +++++++++
 core/helpers/dynamic_block.php  | 48 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 core/helpers/dynamic_block.php

(limited to 'core/helpers')

diff --git a/core/helpers/core_installer.php b/core/helpers/core_installer.php
index e0e4f7d9..c627145a 100644
--- a/core/helpers/core_installer.php
+++ b/core/helpers/core_installer.php
@@ -62,6 +62,15 @@ class core_installer {
                    KEY `type` (`type`))
                  ENGINE=InnoDB DEFAULT CHARSET=utf8;");
 
+      $db->query("CREATE TABLE `blocks` (
+                   `id` int(9) NOT NULL auto_increment,
+                   `module` char(255) NOT NULL,
+                   `type` char(32) NOT NULL,
+                   `method` char(255) NOT NULL,
+                   PRIMARY KEY (`id`),
+                   UNIQUE KEY(`type`, `module`))
+                 ENGINE=InnoDB DEFAULT CHARSET=utf8;");
+
       foreach (array("albums", "resizes") as $dir) {
         @mkdir(VARPATH . $dir);
       }
@@ -84,6 +93,7 @@ class core_installer {
     $db = Database::instance();
     $db->query("DROP TABLE IF EXISTS `items`;");
     $db->query("DROP TABLE IF EXISTS `modules`;");
+    $db->query("DROP TABLE IF EXISTS `blocks`;");
     system("/bin/rm -rf " . VARPATH . "albums");
     system("/bin/rm -rf " . VARPATH . "resizes");
   }
diff --git a/core/helpers/dynamic_block.php b/core/helpers/dynamic_block.php
new file mode 100644
index 00000000..db302bc9
--- /dev/null
+++ b/core/helpers/dynamic_block.php
@@ -0,0 +1,48 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class dynamic_block_Core{
+  const HEAD_LINK = "link";
+  const HEAD_SCRIPT = "script";
+  const HEADER_TYPE = "header";
+  const FOOTER_TYPE = "footer";
+  const SIDE_BAR_TYPE = "sidebar";
+  const CONTENT_ALBUM = "album";
+  const CONTENT_PHOTO = "photo";
+  
+  public static function define_blocks($module, $callbacks) {
+    // @todo create unit test for this
+    foreach ($callbacks as $type => $method) {
+      $block = ORM::factory("block");
+      $block->module = $module;
+      $block->type = $type;
+      $block->method = $method;
+      $block->save();
+    }
+  }
+
+  public static function remove_blocks($module) {
+    // @todo and don't forget one for this
+    try {
+      ORM::factory("block")->where("module",$module)->find()->delete();
+    } catch (Exception $e) {
+      Kohana::log("error", $e);
+    }
+  }
+}
-- 
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