From 48adbcdc150d7872d350ff5641a4942a0cdcd8c0 Mon Sep 17 00:00:00 2001
From: Jeremy Trojan <jer@jerdiggity.com>
Date: Wed, 16 Mar 2011 22:44:29 -0700
Subject: Initial commit.

---
 fblikebutton.module | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 fblikebutton.module

(limited to 'fblikebutton.module')

diff --git a/fblikebutton.module b/fblikebutton.module
new file mode 100644
index 0000000..a6b2a95
--- /dev/null
+++ b/fblikebutton.module
@@ -0,0 +1,69 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Adds Facebook's "Like" button to each selected node type.
+ */
+
+/**
+ * Implementation of hook_menu().
+ */
+function fblikebutton_menu() {
+  $items['admin/settings/fblikebutton'] = array(
+    'title' => 'FB Like settings',
+    'description' => 'Control which content types the "like" button should appear on.',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('fblikebutton_admin_settings'),
+    'access arguments' => array('administer site configuration'),
+    'type' => MENU_NORMAL_ITEM,
+    'file' => 'fblikebutton.admin.inc',
+  );
+  return $items;
+}
+
+/**
+ * Implementation of hook_nodeapi().
+ * @todo
+ * Add more config options for like button (size, etc).
+ * Should $likebutton be wrapped in t()?
+ */
+function fblikebutton_nodeapi(&$node, $op, $teaser, $page) {
+  global $user;
+  switch ($op) {
+    case 'view':
+      // Set which node types users can "like".
+      $types_to_like = variable_get('fblikebutton_node_types', array('page'));
+      // Replace with drupal_get_path_alias() or something?
+      $likepath = $_SERVER['SCRIPT_URI'];
+      $likepath = urlencode($likepath);
+      // Facebook is doing away with FBML, so we use the iframe plugin option instead.
+      $likebutton = '<iframe src="http://www.facebook.com/plugins/like.php?href=';
+      $likebutton .= $likepath;
+      $likebutton .= '&amp;layout=standard&amp;show_faces=true&amp;width=450&amp;action=like&amp;font&amp;colorscheme=light&amp;height=80" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:450px; height:80px;" allowTransparency="true"></iframe>';
+      // Keep the fblikebutton button out of search results, etc.
+      if (!$page) {
+        break;
+      }
+      // Do not add the like button to any of the unchecked node types.
+      if (!in_array($node->type, $types_to_like, TRUE)) {
+        break;
+      }
+      // Set permissions, and keep the button out of teasers. Otherwise, there
+      // would be 50 "like" buttons on the front page of some sites... Not good.
+      if (!$teaser && user_access('users may access Like button')) {
+        $node->content['fblikebutton_button'] = array(
+            '#value' => $likebutton,
+            '#weight' => 100,
+          );
+      }
+      break;
+  }
+}
+
+/**
+ * Implementation of hook_perm().
+ */
+function fblikebutton_perm() {
+  return array('users may access Like button');
+}
-- 
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