<?php
/* Plugin Name: MZ - RSS v2
Version: 2.0
Author: Marek Železný
*/
class mz_RSS_onepost extends WP_Widget
{
  function mz_RSS_onepost()
  {
    $widget_ops = array('classname' => 'mz_RSS_onepost', 'description' => 'jako na Ekonomicky Denik' );
    $this->WP_Widget('mz_RSS_onepost', 'RSS', $widget_ops);
  }

  function widget( $args, $instance )
  {
    extract($args);
    $title = apply_filters( 'widget_title', empty($instance['title']) ? '' : $instance['title'], $instance );
    $content = apply_filters( 'content', empty( $instance['content'] ) ? '' : $instance['content'], $instance );
    ?>

    <div class="box rss">

    <?php if(function_exists('fetch_feed')) {

        include_once(ABSPATH . WPINC . '/feed.php'); // the file to rss feed generator

        $feed = fetch_feed( $content ); // specify the rss feed
        if (!is_wp_error( $feed ) ) {
        $limit = $feed->get_item_quantity(1);
        $items = $feed->get_items(0, $limit); // create an array of items
        $feed->set_timeout(60);
        }else{
            echo $feed->get_error_message();
        }

    }
    ?>

        <?php if($limit) :
        foreach ($items as $item) :
        ?>

        <?php if($title == "justice") : ?>

        <h1><img src="<?php echo plugin_dir_url (__FILE__); ?>rss/justice.png" alt="justice"><span><?php echo $item->get_date('d.m.Y'); ?></span></h1>

        <?php elseif($title == "zdravotnicky") : ?>

        <h1><img src="<?php echo plugin_dir_url (__FILE__); ?>rss/zdravotnicky.png" alt="zdravotnicky"><span><?php echo $item->get_date('d.m.Y'); ?></span></h1>

        <?php elseif($title == "ekonomicky") : ?>

        <h1><img src="<?php echo plugin_dir_url (__FILE__); ?>rss/ekonomicky.png" alt="ekonomicky"><span><?php echo $item->get_date('d.m.Y'); ?></span></h1>

        <?php else : ?>

        <h1><?php echo !empty( $instance['filter'] ) ? wpautop( $title ) : $title; ?></h1>

        <?php endif; ?>

        <?php endforeach; endif; ?>

        <div id="latest">

        <?php
        if ($limit == 0) echo '<div>RSS není momentálně k dispozici.</div>';
        else foreach ($items as $item) : ?>

            <div class="data">
                <a href="<?php echo $item->get_permalink(); ?>"><?php echo $item->get_title(); ?></a>
            </div>

        <?php endforeach; ?>

        </div>

        </div>

    <?php
  }

  function update( $new_instance, $old_instance ) {
        $instance = $old_instance;
        $instance['title'] = $new_instance['title'];
        if ( current_user_can('unfiltered_html') )
            $instance['content'] =  $new_instance['content'];
        else
            $instance['content'] = stripslashes( wp_filter_post_kses( addslashes($new_instance['content']) ) );
        $instance['filter'] = isset($new_instance['filter']);
        return $instance;
    }

  function form( $instance )
  {

        $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'content' => '' ) );
        $title = $instance['title'];
        $content = esc_textarea($instance['content']);?>
        <label for="<?php echo $this->get_field_id('title'); ?>">Titulek: <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>URL RSS kanálu:</p>
        <input id="<?php echo $this->get_field_id('content'); ?>" name="<?php echo $this->get_field_name('content'); ?>" value="<?php echo $content; ?>" />

<?php
  }

}
add_action( 'widgets_init', create_function('', 'return register_widget("mz_RSS_onepost");') );
?>