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<?php
/**
* Disable direct access/execution to/of the widget code.
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! class_exists( 'Jetpack_Flickr_Widget' ) ) {
/**
* Flickr Widget
*
* Display your recent Flickr photos.
*/
class Jetpack_Flickr_Widget extends WP_Widget {
/**
* Constructor.
*/
function __construct() {
parent::__construct(
'flickr',
/** This filter is documented in modules/widgets/facebook-likebox.php */
apply_filters( 'jetpack_widget_name', esc_html__( 'Flickr', 'jetpack' ) ),
array(
'description' => esc_html__( 'Display your recent Flickr photos.', 'jetpack' ),
'customize_selective_refresh' => true,
),
array()
);
if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) );
}
}
/**
* Enqueue style.
*/
function enqueue_style() {
wp_enqueue_style( 'flickr-widget-style', plugins_url( 'flickr/style.css', __FILE__ ), array(), '20170405' );
}
/**
* Return an associative array of default values.
*
* These values are used in new widgets.
*
* @return array Default values for the widget options.
*/
public function defaults() {
return array(
'title' => esc_html__( 'Flickr Photos', 'jetpack' ),
'items' => 4,
'flickr_image_size' => 'thumbnail',
'flickr_rss_url' => ''
);
}
/**
* Front-end display of the widget.
*
* @param array $args Widget arguments.
* @param array $instance Saved values from database.
*/
public function widget( $args, $instance ) {
$instance = wp_parse_args( $instance, $this->defaults() );
$image_size_string = 'small' == $instance['flickr_image_size'] ? '_m.jpg' : '_t.jpg';
if ( ! empty( $instance['flickr_rss_url'] ) ) {
/*
* Parse the URL, and rebuild a URL that's sure to display images.
* Some Flickr Feeds do not display images by default.
*/
$flickr_parameters = parse_url( htmlspecialchars_decode( $instance['flickr_rss_url'] ) );
// Is it a Flickr Feed.
if (
! empty( $flickr_parameters['host'] )
&& ! empty( $flickr_parameters['query'] )
&& false !== strpos( $flickr_parameters['host'], 'flickr' )
) {
parse_str( $flickr_parameters['query'], $vars );
// Do we have an ID in the feed? Let's continue.
if ( isset( $vars['id'] ) ) {
// Flickr Feeds can be used for groups or for individuals.
if (
! empty( $flickr_parameters['path'] )
&& false !== strpos( $flickr_parameters['path'], 'groups' )
) {
$feed_url = 'https://api.flickr.com/services/feeds/groups_pool.gne';
} else {
$feed_url = 'https://api.flickr.com/services/feeds/photos_public.gne';
}
// Build our new RSS feed.
$rss_url = sprintf(
'%1$s?id=%2$s&format=rss_200_enc',
esc_url( $feed_url ),
esc_attr( $vars['id'] )
);
}
}
} // End if().
// Still no RSS feed URL? Get a default feed from Flickr to grab interesting photos.
if ( empty( $rss_url ) ) {
$rss_url = 'https://api.flickr.com/services/feeds/photos_interesting.gne?format=rss_200';
}
$rss = fetch_feed( $rss_url );
$photos = '';
if ( ! is_wp_error( $rss ) ) {
foreach ( $rss->get_items( 0, $instance['items'] ) as $photo ) {
switch ( $instance['flickr_image_size'] ) {
case 'thumbnail':
$src = $photo->get_enclosure()->get_thumbnail();
break;
case 'small':
$src = preg_match( '/src="(.*?)"/i', $photo->get_description(), $p );
$src = $p[1];
break;
case 'large':
$src = $photo->get_enclosure()->get_link();
break;
}
$photos .= '<a href="' . esc_url( $photo->get_permalink(), array( 'http', 'https' ) ) . '">';
$photos .= '<img src="' . esc_url( $src, array( 'http', 'https' ) ) . '" ';
$photos .= 'alt="' . esc_attr( $photo->get_title() ) . '" ';
$photos .= 'title="' . esc_attr( $photo->get_title() ) . '" ';
$photos .= ' /></a>';
}
if ( ! empty( $photos ) && class_exists( 'Jetpack_Photon' ) && Jetpack::is_module_active( 'photon' ) ) {
$photos = Jetpack_Photon::filter_the_content( $photos );
}
$flickr_home = $rss->get_link();
}
echo $args['before_widget'];
if ( empty( $photos ) ) {
if ( current_user_can( 'edit_theme_options' ) ) {
printf(
'<p>%1$s<br />%2$s</p>',
esc_html__( 'There are no photos to display. Make sure your Flickr feed URL is correct, and that your pictures are publicly accessible.', 'jetpack' ),
esc_html__( '(Only admins can see this message)', 'jetpack' )
);
}
} else {
echo $args['before_title'] . esc_html( $instance['title'] ) . $args['after_title'];
require( dirname( __FILE__ ) . '/flickr/widget.php' );
}
echo $args['after_widget'];
/** This action is already documented in modules/widgets/gravatar-profile.php */
do_action( 'jetpack_stats_extra', 'widget_view', 'flickr' );
}
/**
* Back-end widget form.
*
* @param array $instance Previously saved values from database.
*/
public function form( $instance ) {
$instance = wp_parse_args( $instance, $this->defaults() );
require( dirname( __FILE__ ) . '/flickr/form.php' );
}
/**
* Sanitize widget form values as they are saved.
*
* @param array $new_instance Values just sent to be saved.
* @param array $old_instance Previously saved values from database.
* @return array Updated safe values to be saved.
*/
public function update( $new_instance, $old_instance ) {
$instance = array();
$defaults = $this->defaults();
if ( isset( $new_instance['title'] ) ) {
$instance['title'] = wp_kses( $new_instance['title'], array() );
}
if ( isset( $new_instance['items'] ) ) {
$instance['items'] = intval( $new_instance['items'] );
}
if (
isset( $new_instance['flickr_image_size'] ) &&
in_array( $new_instance['flickr_image_size'], array( 'thumbnail', 'small', 'large' ) )
) {
$instance['flickr_image_size'] = $new_instance['flickr_image_size'];
} else {
$instance['flickr_image_size'] = 'thumbnail';
}
if ( isset( $new_instance['flickr_rss_url'] ) ) {
$instance['flickr_rss_url'] = esc_url( $new_instance['flickr_rss_url'], array( 'http', 'https' ) );
if ( strlen( $instance['flickr_rss_url'] ) < 10 ) {
$instance['flickr_rss_url'] = '';
}
}
return $instance;
}
}
// Register Jetpack_Flickr_Widget widget.
function jetpack_register_flickr_widget() {
register_widget( 'Jetpack_Flickr_Widget' );
}
add_action( 'widgets_init', 'jetpack_register_flickr_widget' );
}
|
GitWeb