sfc-find.php

<?php
/*
Plugin Name: SFC - Find us on Facebook Widget
Plugin URI: http://ottopress.com/wordpress-plugins/simple-facebook-connect/
Description: Adds a "Find us on Facebook" image to your sidebar, with a link to your Facebook Page.
Author: Otto
Version: 0.25
Author URI: http://ottodestruct.com
License: GPL2

    Copyright 2009-2010  Samuel Wood  (email : otto@ottodestruct.com)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 2, 
    as published by the Free Software Foundation. 
    
    You may NOT assume that you can use any other version of the GPL.

    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.
    
    The license for this software can likely be found here: 
    http://www.gnu.org/licenses/gpl-2.0.html
    
*/

// checks for sfc on activation
function sfc_find_widget_activation_check(){
	if (function_exists('sfc_version')) {
		if (version_compare(sfc_version(), '0.1', '>=')) {
			return;
		}
	}
	deactivate_plugins(basename(__FILE__)); // Deactivate ourself
	wp_die(__('The base SFC plugin must be activated before this plugin will run.', 'sfc'));
}
register_activation_hook(__FILE__, 'sfc_find_widget_activation_check');

// Shortcode for putting it into pages or posts directly
// profile id is required. Wont work without it.
function sfc_find_shortcode() {
	$options = get_option('sfc_options');
	if ($options['fanpage']) $fb_id = $options['fanpage'];
	else $fb_id = $options['appid'];

	return '<a href="http://www.facebook.com/profile.php?id='.$fb_id.'"><img src="'.plugins_url('/images/findonfb.png',__FILE__).'" /></a>';
}

add_shortcode('fb-find', 'sfc_find_shortcode');

class SFC_Find_Widget extends WP_Widget {
	function SFC_Find_Widget() {
		$widget_ops = array('classname' => 'widget_sfc-find', 'description' => __('Find us on Facebook Button', 'sfc'));
		$this->WP_Widget('sfc-find', __('Facebook Find Button (SFC)', 'sfc'), $widget_ops);
	}

	function widget($args, $instance) {
		extract( $args );
		$title = apply_filters('widget_title', $instance['title']);
		?>
		<?php echo $before_widget; ?>
		<?php if ( $title ) echo $before_title . $title . $after_title; ?>
		<?php echo sfc_find_shortcode(); ?>
		<?php echo $after_widget; ?>
		<?php
	}

	function update($new_instance, $old_instance) {
		$instance = $old_instance;
		$new_instance = wp_parse_args( (array) $new_instance, array( 'title' => '') );
		$instance['title'] = strip_tags($new_instance['title']);
		return $instance;
	}

	function form($instance) {
		$instance = wp_parse_args( (array) $instance, array( 'title' => '') );
		$title = strip_tags($instance['title']);
		?>
<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?> 
<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" />
</label></p>
		<?php
	}
}
add_action('widgets_init', create_function('', 'return register_widget("SFC_Find_Widget");'));