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<?php

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/*-----------------------------------------------------------------------------------*/

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/* Flicker Widget Class

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/*-----------------------------------------------------------------------------------*/

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class MKS_Flickr_Widget extends WP_Widget {

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var $defaults;

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function __construct() {

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$widget_ops = array( 'classname' => 'mks_flickr_widget', 'description' => __( 'Display your Flickr photostream', 'meks-simple-flickr-widget' ) );

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$control_ops = array( 'id_base' => 'mks_flickr_widget' );

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parent::__construct( 'mks_flickr_widget', __( 'Meks Flickr Widget', 'meks-simple-flickr-widget' ), $widget_ops, $control_ops );

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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_styles' ) );

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add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_styles' ) );

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$this->defaults = array(

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'title' => 'Flickr',

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'id' => '',

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'count' => 9,

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't_width' => 85,

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't_height' => 85,

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'randomize' => 0,

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);

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//Allow themes or plugins to modify default parameters

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$this->defaults = apply_filters( 'mks_flickr_widget_modify_defaults', $this->defaults );

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}

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function enqueue_styles() {

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wp_register_style( 'meks-flickr-widget', MKS_FLICKR_WIDGET_URL.'css/style.css', false, MKS_FLICKR_WIDGET_VER );

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wp_enqueue_style( 'meks-flickr-widget' );

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}

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function widget( $args, $instance ) {

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$instance = wp_parse_args( (array) $instance, $this->defaults );

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extract( $args );

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$title = apply_filters( 'widget_title', $instance['title'] );

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echo $before_widget;

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if ( ! empty( $title ) ) {

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echo $before_title . $title . $after_title;

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}

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$photos = $this->get_photos( $instance['id'], $instance['count'] );

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if ( !empty( $photos ) ) {

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if($instance['randomize']){

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shuffle($photos);

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}

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$height = $instance['t_height'] ? $instance['t_height'].'px' : 'auto';

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$style = 'style="width: '.esc_attr( $instance['t_width'] ).'px; height: '.esc_attr( $height ).';"';

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echo '<ul class="flickr">';

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foreach ( $photos as $photo ) {

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echo '<li><a href="'.esc_url( $photo['img_url'] ).'" title="'.esc_attr( $photo['title'] ).'" target="_blank" rel="noopener"><img src="'.esc_attr( $photo['img_src'] ).'" alt="'.esc_attr( $photo['title'] ).'" '.$style.'/></a></li>';

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}

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echo '</ul>';

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echo '<div class="clear"></div>';

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}

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echo $after_widget;

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}

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function get_photos( $id, $count = 8 ) {

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if ( empty( $id ) )

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return false;

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$transient_key = md5( 'mks_flickr_cache_' . $id . $count );

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$cached = get_transient( $transient_key );

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if ( !empty( $cached ) ) {

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return $cached;

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}

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$protocol = is_ssl() ? 'https' : 'http';

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$output = array();

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$rss = $protocol.'://api.flickr.com/services/feeds/photos_public.gne?id='.$id.'&lang=en-us&format=rss_200';

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$rss = fetch_feed( $rss );

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if ( is_wp_error( $rss ) ) {

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//check for group feed

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$rss = $protocol.'://api.flickr.com/services/feeds/groups_pool.gne?id='.$id.'&lang=en-us&format=rss_200';

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$rss = fetch_feed( $rss );

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}

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if ( !is_wp_error( $rss ) ) {

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$maxitems = $rss->get_item_quantity( $count );

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$rss_items = $rss->get_items( 0, $maxitems );

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foreach ( $rss_items as $item ) {

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$temp = array();

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$temp['img_url'] = esc_url( $item->get_permalink() );

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$temp['title'] = esc_html( $item->get_title() );

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$content = $item->get_content();

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preg_match_all( "/<IMG.+?SRC=[\"']([^\"']+)/si", $content, $sub, PREG_SET_ORDER );

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$photo_url = str_replace( "_m.jpg", "_t.jpg", $sub[0][1] );

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$temp['img_src'] = esc_url( $photo_url );

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$output[] = $temp;

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}

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set_transient( $transient_key, $output, 60 * 60 * 24 );

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}

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//print_r( $output );

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return $output;

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}

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function update( $new_instance, $old_instance ) {

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$instance = array();

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$instance['title'] = strip_tags( $new_instance['title'] );

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$instance['id'] = strip_tags( $new_instance['id'] );

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$instance['count'] = absint( $new_instance['count'] );

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$instance['t_width'] = absint( $new_instance['t_width'] );

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$instance['t_height'] = absint( $new_instance['t_height'] );

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$instance['randomize'] = isset( $new_instance['randomize'] ) ? 1 : 0;

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return $new_instance;

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}

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function form( $instance ) {

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$instance = wp_parse_args( (array) $instance, $this->defaults ); ?>

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<p>

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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title', 'meks-simple-flickr-widget' ); ?>:</label>

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<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" />

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</p>

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<p>

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<label for="<?php echo $this->get_field_id( 'id' ); ?>"><?php _e( 'Flickr ID', 'meks-simple-flickr-widget' ); ?>:</label> <small><a href="http://idgettr.com/" target="_blank"><?php _e( 'What\'s my Flickr ID?', 'meks-simple-flickr-widget' ); ?></a></small>

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<input class="widefat" id="<?php echo $this->get_field_id( 'id' ); ?>" name="<?php echo $this->get_field_name( 'id' ); ?>" type="text" value="<?php echo esc_attr( $instance['id'] ); ?>" />

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</p>

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<p>

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<label for="<?php echo $this->get_field_id( 'count' ); ?>"><?php _e( 'Number of photos', 'meks-simple-flickr-widget' ); ?>:</label>

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<input class="small-text" type="text" value="<?php echo absint( $instance['count'] ); ?>" id="<?php echo $this->get_field_id( 'count' ); ?>" name="<?php echo $this->get_field_name( 'count' ); ?>" />

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</p>

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<p>

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<label for="<?php echo $this->get_field_id( 't_width' ); ?>"><?php _e( 'Thumbnail width', 'meks-simple-flickr-widget' ); ?>:</label>

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<input class="small-text" type="text" value="<?php echo absint( $instance['t_width'] ); ?>" id="<?php echo $this->get_field_id( 't_width' ); ?>" name="<?php echo $this->get_field_name( 't_width' ); ?>" /> px

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</p>

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<p>

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<label for="<?php echo $this->get_field_id( 't_height' ); ?>"><?php _e( 'Thumbnail height', 'meks-simple-flickr-widget' ); ?>:</label>

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<input class="small-text" type="text" value="<?php echo absint( $instance['t_height'] ); ?>" id="<?php echo $this->get_field_id( 't_height' ); ?>" name="<?php echo $this->get_field_name( 't_height' ); ?>" /> px

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</p>

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<p>

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<label for="<?php echo $this->get_field_id( 'randomize' ); ?>">

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<input type="checkbox" value="1" id="<?php echo $this->get_field_id( 'randomize' ); ?>" name="<?php echo $this->get_field_name( 'randomize' ); ?>" <?php checked( $instance['randomize'], 1 ); ?>/> <?php _e( 'Randomize photos?', 'meks-simple-flickr-widget' ); ?>

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</label>

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</p>

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<?php

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}

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}

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