<?php

/**

 * Flickr Feed

 * Created by ninhle - wiloke team

 */



class piFlickrFeed extends WP_Widget

{

    public $aDef = array( 'title' =>'Flickr', 'flickr_id'=>'104472278@N03', 'number_of_photos' => 6, 'flickr_display' => 'latest' );

    public function __construct()

    {

        $args = array('classname'=>'pi_flickr_feed', 'description'=>'');

        parent::__construct("pi_flickr_feed", PI_THEMENAME . 'Flickr Feed ', $args);

    }



    public function form($aInstance)

    {

        $aInstance = wp_parse_args( $aInstance, $this->aDef );



        piWidgets::pi_text_field( __('Title', 'titan'), $this->get_field_id('title'), $this->get_field_name('title'), $aInstance['title']);

        piWidgets::pi_text_field( __('Flickr ID', 'titan'), $this->get_field_id('flickr_id'), $this->get_field_name('flickr_id'), $aInstance['flickr_id'], ' Find Your ID at( <a target="_blank" href="http://www.idgettr.com">idGettr</a> )');

        piWidgets::pi_text_field( __('Number Of Photos', 'titan'), $this->get_field_id('number_of_photos'), $this->get_field_name('number_of_photos'), $aInstance['number_of_photos']);

    }



    public function update($aNewinstance, $aOldinstance)

    {

        $aInstance = $aOldinstance;

        foreach ( $aNewinstance as $key => $val )

        {

            if ( $key == 'number_of_photos' )

            {

                $aInstance[$key] = (int)$val;

            }else{

                $aInstance[$key] = strip_tags($val);

            }

        }



        return $aInstance;

    }



    public function widget( $atts, $aInstance )

    {

        $aInstance = wp_parse_args($aInstance, $this->aDef);



        print $atts['before_widget'];



        if ( !empty($aInstance['title']) )

        {

            print $atts['before_title'] . esc_html($aInstance['title']) . $atts['after_title'];

        }

        ?>

        <div class='pi-flickr-feed widget-grid'>

            <?php



            if ( empty($aInstance['flickr_id']) )

            {

                _e('Please config your flick id', 'titan');

            }else{

                print $this->pi_parse_flickr_feed($aInstance['flickr_id'], $aInstance['number_of_photos']);

            }

            ?>

        </div>

        <?php

        print $atts['after_widget'];

    }



    public function pi_parse_atts($s,$attrname)

    {

        preg_match_all('#\s*('.$attrname.')\s*=\s*["|\']([^"\']*)["|\']\s*#i', $s, $x);

        if (count($x)>=3)

        {

            return $x[2][0];

        }else{

            return '';

        }

    }



    public function pi_parse_flickr_feed($id,$n)

    {

        $url = "http://api.flickr.com/services/feeds/photos_public.gne?id={$id}&lang=it-it&format=rss_200&amp;set=".$n;



        $response = wp_remote_get( esc_url_raw( $url ) );



        if ( !is_wp_error( $response ) )

        {

            $response = wp_remote_retrieve_body($response);



            preg_match_all('#<item>(.*)</item>#Us', $response, $items);



            $out = "";

            for($i=0;$i<count($items[1]);$i++)

            {

                if($i>=$n) return $out;

                $item = $items[1][$i];

                preg_match_all('#<link>(.*)</link>#Us', $item, $temp);

                $link = $temp[1][0];

                preg_match_all('#<media:thumbnail([^>]*)>#Us', $item, $temp);

                $thumb = $this->pi_parse_atts($temp[0][0],"url");



                $out.='<div class="item"><a href="'.esc_url($link).'" target="_blank"><img src="'.esc_url($thumb).'" alt="Flickr Feed" /></a></div>';

            }

        }else{

            return __('Please try with other flickr id', 'titan');

        }



        return $out;

    }

}



?>