Jake Spurlock

<?php
/*
Plugin Name: Facebook Social Widgets
Plugin URI: http://www.jakespurlock.com/fb-social-widgets
Description: Easily integrate Facebook Social Commenting into your WordPress website.
Author: Jake Spurlock
Version: 0.5
Author URI: http://jakespurlock.com
*/

// create custom plugin settings menu
add_action('admin_menu', 'fb_create_menu');

function fb_create_menu() {

    add_options_page('Facebook Comments', 'Facebook Comments', 'administrator', __FILE__, 'buildinternet_settings_page');
    add_action( 'admin_init', 'register_mysettings' );
}


function register_mysettings() {
    //register our settings
    register_setting( 'fb-settings-group', 'fb_app_id' );
    register_setting( 'fb-settings-group', 'fb_width' );
    register_setting( 'fb-settings-group', 'fb_number' );
    register_setting( 'fb-settings-group', 'fb_widget' );
    register_setting( 'fb-settings-group', 'fb_connections' );
    register_setting( 'fb-settings-group', 'fb_location_yes' );
    register_setting( 'fb-settings-group', 'fb_location_no');
    register_setting( 'fb-settings-group', 'fb_location');
}

function buildinternet_settings_page() { ?>

<div class="wrap">
<h2>Facebook Social Widget Options</h2>

<div id="custom_form">

<form method="post" action="options.php">

    <?php settings_fields('fb-settings-group'); ?>

    <table  summary="Facebook Options">

        <tbody>

            <tr>
                <td style="width:25%;padding-right:10px;">Unique Application ID</td>
                <td><input type="text" name="fb_app_id" value="<?php echo get_option('fb_app_id'); ?>"></td>

            </tr>

            <tr>
                <td style="padding-right:10px;">Nuber of Comments to Show Per Page</td>
                <td><input type="text" name="fb_number" value="<?php echo get_option('fb_number'); ?>"></td>
            </tr>

            <tr>
                <td style="padding-right:10px;">Width of Comment Div</td>
                <td><input type="text" name="fb_width" value="<?php echo get_option('fb_width'); ?>"></td>
            </tr>

            <tr>
                <td style="padding-right:10px;">Number of Connections to show in Like Widget</td>
                <td><input type="text" name="fb_connections" value="<?php echo get_option('fb_connections'); ?>"></td>
            </tr>

            <tr>
                <td style="padding-right:10px;">Width of Sidebar Widget</td>
                <td><input type="text" name="fb_widget" value="<?php echo get_option('fb_widget'); ?>"></td>
            </tr>

            <tr>
                <td style="padding-right:10px;">Display a like button below the post?</td>
                <td><select name="fb_location" id="fb_location">
                        <option name="fb_location_yes" value="<?php echo get_option('fb_location_yes'); ?>">Yes</option>
                        <option name="fb_location_no" value="<?php echo get_option('fb_location_no'); ?>">No</option>
                    </select>
                </td>
            </tr>

        </tbody>
    </table>

    <p class="submit">
    <input type="submit" class="button-primary" value="<?php _e('Save Changes') ?>" />
    </p>

    </div>

</form>
</div>
<?php }

add_filter('comments_template', 'fb_comments');

function fb_comments() {
    echo '<fb:comments xid="'.get_option('fb_app_id').'" numposts="'.get_option('fb_number').'" width="'.get_option('fb_width').'"></fb:comments>';
}

add_action('wp_footer', 'fb_js');
function fb_js(){
    ?>

<div id="fb-root"></div>
<script>
  window.fbAsyncInit = function() {
    FB.init({appId: '<?php echo get_option('fb_app_id'); ?>', status: true, cookie: true,
             xfbml: true});
  };
  (function() {
    var e = document.createElement('script'); e.async = true;
    e.src = document.location.protocol +
      '//connect.facebook.net/en_US/all.js';
    document.getElementById('fb-root').appendChild(e);
  }());
</script>

<?php }

add_action('wp_head', 'og_head');

function og_head(){ ?>

    <meta property="og:title" content="<?php the_title(); ?>" />
    <meta property="og:type" content="blog" />
    <meta property="og:url" content="<?php the_permalink(); ?>" />
    <?php if ($src){ ?>
    <meta property="og:image" content="<?php echo $src; ?>" />
    <?php } ?>
    <?php $special_text = get_the_content(); ?>
    <meta property="og:description" content="<?php echo strip_tags($special_text); ?>" />
    <meta property="og:site_name" content="<?php bloginfo('name'); ?>" />
    <meta property="fb:app_id" content="<?php echo get_option('fb_app_id'); ?>" />
    <?php }


add_action("widgets_init", array('Recommendations_Widget', 'register'));
class Recommendations_Widget {
  function control(){
    echo '<fb:friendpile>';
  }
  function widget($args){
    echo $args['before_widget'];
    echo '<fb:recommendations width="'.get_option('fb_widget').'"></fb:recommendations>';
    echo $args['after_widget'];
  }
  function register(){
    register_sidebar_widget('Facebook Recommendations Widget', array('Recommendations_Widget', 'widget'));
    register_widget_control('Facebook Recommendations Widget', array('Recommendations_Widget', 'control'));
  }
}

add_action("widgets_init", array('Activity_Feed', 'register'));
class Activity_Feed {
  function control(){
    echo '<fb:friendpile>';
  }
  function widget($args){
    echo $args['before_widget'];
    echo '<fb:activity width="'.get_option('fb_widget').'"></fb:recommendations>';
    echo $args['after_widget'];
  }
  function register(){
    register_sidebar_widget('Facebook Activity Feed', array('Activity_Feed', 'widget'));
    register_widget_control('Facebook Activity Feed', array('Activity_Feed', 'control'));
  }
}

add_action("widgets_init", array('Like_Box', 'register'));
class Like_Box {
  function control(){
    echo '<fb:friendpile>';
  }
  function widget($args){
    echo $args['before_widget'];
    echo '<fb:like-box profile_id="'.get_option('fb_app_id').'" width="'.get_option('fb_widget').'" connections="10"></fb:like-box>';
    echo $args['after_widget'];
  }
  function register(){
    register_sidebar_widget('Facebook Like Box', array('Like_Box', 'widget'));
    register_widget_control('Facebook Like Box', array('Like_Box', 'control'));
  }
}

add_action("widgets_init", array('Like_Button', 'register'));
class Like_Button {
  function control(){
    echo '<fb:friendpile>';
  }
  function widget($args){
    echo $args['before_widget'];
    echo '<fb:like href="'.the_permalink().'" width="'.get_option('fb_widget').'"></fb:like-box>';
    echo $args['after_widget'];
  }
  function register(){
    register_sidebar_widget('Facebook Like Button', array('Like_Button', 'widget'));
    register_widget_control('Facebook Like Button', array('Like_Button', 'control'));
  }
}

function facebook_like($content)
{
    $like_me = '<fb:like href="'.get_permalink().'"></fb:like-box>';
    return $content.$like_me;
}
 add_filter('the_content', 'facebook_like');