fsl-widget.php

<?php
class FSLWidget extends WP_Widget
{
  function __construct()
  {
    $widget_ops = array('classname' => 'FSLWidget', 'description' => 'Displays a super stripped down facebook fan page like button which is attached to the fan page of your choice.' );
    $this->WP_Widget('FSLWidget', 'Facebook Like Button', $widget_ops);
  }
 
  function form($instance)
  {
    global $fsl_options;
    $instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
    $title = $instance['title'];
    if ($title === false) {
        $title = "Facebook Us";
    }
    $pageurl = $instance['pageurl'];
    if (!$pageurl) {
        $pageurl = $fsl_options['actual_url'];
    }
?>
<p><label for="<?php echo $this->get_field_id('title'); ?>">Title: <input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo attribute_escape($title); ?>" /></label></p>
<p><label for="<?php echo $this->get_field_id('pageurl'); ?>">Page URL: <input class="widefat" id="<?php echo $this->get_field_id('pageurl'); ?>" name="<?php echo $this->get_field_name('pageurl'); ?>" type="text" value="<?php echo attribute_escape($pageurl); ?>" /></label></p>

  <?php
  }
 
  function update($new_instance, $old_instance)
  {
    global $fsl_options;
    $instance = $old_instance;
   
    $like_string = like_code_from_url($new_instance['pageurl'], $fsl_options['fsl_color']);
    if ($like_string) {
        $instance['title'] = $new_instance['title'];
        $instance['pageurl'] = $new_instance['pageurl'];
        $instance['fsl_color'] = $new_instance['fsl_color'];
        $instance['like_string'] = $like_string;
    }
    return $instance;
  }
 
  function widget($args, $instance)
  {
    global $fsl_options;
    extract($args, EXTR_SKIP);
 
    echo $before_widget;
    $title = empty($instance['title']) ? ' ' : apply_filters('widget_title', $instance['title']);
 
    if (!empty($title))
      echo $before_title . $title . $after_title;
 
    // WIDGET CODE GOES HERE
    echo $instance['like_string'];
 
    echo $after_widget;
  }
 
}
add_action( 'widgets_init', create_function('', 'return register_widget("FSLWidget");') );