Initial commit.

3 files changed, 114 insertions, 0 deletions

diff --git a/fblikebutton.admin.inc b/fblikebutton.admin.inc
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index 0000000..a11e682
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+++ b/fblikebutton.admin.inc
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+<?php
+// $Id$
+
+/**
+ * @file
+ * Admin functions for fblikebutton.
+ */
+
+/**
+ * Configure which node types can be "liked" by users.
+ */
+function fblikebutton_admin_settings() {
+  $fblikebutton_node_options = node_get_types('names');
+  $form['fblikebutton_node_types'] = array(
+    '#type' => 'checkboxes',
+    '#title' => t('Display the Like button on these content types'),
+    '#options' => $fblikebutton_node_options,
+    '#default_value' => variable_get('fblikebutton_node_types', array('page')),
+    '#description' => t('Each of these content types will have the "like" button automatically added to them.'),
+  );/**
+  $form['fblikebutton_show_faces'] = array(
+    '#type' => 'radios',
+    '#title' => t('Display faces in the Like box'),
+    '#options' => array('true' => t('Show faces'), 'false' => t('Do not show faces'))
+    '#default_value' => variable_get('fblikebutton_show_faces', array('true')),
+    '#description' => t('Should users see the faces of other people who have "liked" the same content?'),
+  ); */
+  return system_settings_form($form);
+}
diff --git a/fblikebutton.install b/fblikebutton.install
new file mode 100644
index 0000000..b6d4a63
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+++ b/fblikebutton.install
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+<?php
+// $Id$
+
+/**
+ * Implementation of hook_install().
+ */
+function fblikebutton_install() {
+//  There really is no "schema" to install.
+}
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function fblikebutton_uninstall() {
+  variable_del('fblikebutton_node_types');
+}
diff --git a/fblikebutton.module b/fblikebutton.module
new file mode 100644
index 0000000..a6b2a95
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+++ b/fblikebutton.module
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+<?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');
+}