diff options
Diffstat (limited to 'plugins/jetpack/modules/widgets/upcoming-events.php')
| -rw-r--r-- | plugins/jetpack/modules/widgets/upcoming-events.php | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/widgets/upcoming-events.php b/plugins/jetpack/modules/widgets/upcoming-events.php new file mode 100644 index 00000000..01a42b8a --- /dev/null +++ b/plugins/jetpack/modules/widgets/upcoming-events.php @@ -0,0 +1,159 @@ +<?php + +class Upcoming_Events_Widget extends WP_Widget { + function __construct() { + parent::__construct( + 'upcoming_events_widget', + /** This filter is documented in modules/widgets/facebook-likebox.php */ + apply_filters( 'jetpack_widget_name', __( 'Upcoming Events', 'jetpack' ) ), + array( + 'description' => __( 'Display upcoming events from an iCalendar feed.', 'jetpack' ), + 'customize_selective_refresh' => true, + ) + ); + if ( is_active_widget( false, false, $this->id_base ) ) { + add_action( 'wp_head', array( $this, 'css' ) ); + } + } + + function css() { +?> +<style type="text/css"> +.upcoming-events li { + margin-bottom: 10px; +} +.upcoming-events li span { + display: block; +} +</style> +<?php + } + + function form( $instance ) { + $defaults = array( + 'title' => __( 'Upcoming Events', 'jetpack' ), + 'feed-url' => '', + 'count' => 3 + ); + $instance = array_merge( $defaults, (array) $instance ); +?> + + <p> + <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:', 'jetpack' ); ?></label> + <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'] ); ?>" /> + </p> + + <p> + <label for="<?php echo $this->get_field_id( 'feed-url' ); ?>"><?php _e( 'iCalendar Feed URL:', 'jetpack' ); ?></label> + <input class="widefat" id="<?php echo $this->get_field_id( 'feed-url' ); ?>" name="<?php echo $this->get_field_name( 'feed-url' ); ?>" type="text" value="<?php echo esc_attr( $instance['feed-url'] ); ?>" /> + </p> + + <p> + <label for="<?php echo $this->get_field_id( 'count' ); ?>"><?php _e( 'Items to show:', 'jetpack' ); ?></label> + <select id="<?php echo $this->get_field_id( 'count' ); ?>" name="<?php echo $this->get_field_name( 'count' ); ?>"> + <?php $i = 1; + while ( $i <= 10 ) { ?> + <option <?php selected( $instance['count'], $i ) ?>><?php echo $i; ?></option> + <?php $i++; } ?> + <option value="0" <?php selected( $instance['count'], 0 ) ?>><?php _e( 'All' , 'jetpack' ) ?></option> + </select> + </p> +<?php + } + + function update( $new_instance, $old_instance ) { + $instance['title'] = strip_tags( $new_instance['title'] ); + $instance['feed-url'] = strip_tags( $new_instance['feed-url'] ); + $instance['count'] = min( absint( $new_instance['count'] ), 10 ); // 10 or less + return $instance; + } + + function widget( $args, $instance ) { + jetpack_require_lib( 'icalendar-reader' ); + + $ical = new iCalendarReader(); + $events = $ical->get_events( $instance['feed-url'], $instance['count'] ); + $events = $this->apply_timezone_offset( $events ); + $ical->timezone = null; + + echo $args['before_widget']; + if ( ! empty( $instance['title'] ) ) { + echo $args['before_title']; + echo esc_html( $instance['title'] ); + echo $args['after_title']; + } + + if ( ! $events ) : // nothing to display? +?> + <p><?php echo __( 'No upcoming events', 'jetpack' ) ?></p> +<?php + else : +?> + <ul class="upcoming-events"> + <?php foreach ( $events as $event ) : ?> + <li> + <strong class="event-summary"><?php echo $ical->escape( stripslashes( $event['SUMMARY'] ) ); ?></strong> + <span class="event-when"><?php echo $ical->formatted_date( $event ); ?></span> + <?php if ( ! empty( $event['LOCATION'] ) ) : ?> + <span class="event-location"><?php echo $ical->escape( stripslashes( $event['LOCATION'] ) ); ?></span> + <?php endif; ?> + <?php if ( ! empty( $event['DESCRIPTION'] ) ) : ?> + <span class="event-description"><?php echo wp_trim_words( $ical->escape( stripcslashes( $event['DESCRIPTION'] ) ) ); ?></span> + <?php endif; ?> + </li> + <?php endforeach; ?> + </ul> +<?php + endif; + + echo $args['after_widget']; + + /** This action is documented in modules/widgets/gravatar-profile.php */ + do_action( 'jetpack_stats_extra', 'widget_view', 'grofile' ); + } + + function apply_timezone_offset( $events ) { + if ( ! $events ) { + return $events; + } + + // get timezone offset from the timezone name. + $timezone_name = get_option( 'timezone_string' ); + if ( $timezone_name ) { + $timezone = new DateTimeZone( $timezone_name ); + $offset = $timezone->getOffset( new DateTime( 'now', new DateTimeZone( 'UTC' ) ) ); + } else { + // fallback - gmt_offset option + $offset = get_option( 'gmt_offset' ) * 3600; + } + + // generate a DateInterval object from the timezone offset + $interval_string = sprintf( '%d minutes', $offset / 60 ); + $interval = date_interval_create_from_date_string( $interval_string ); + + $offsetted_events = array(); + + foreach ( $events as $event ) { + // Don't handle all-day events + if ( 8 < strlen( $event['DTSTART'] ) ) { + $start_time = new DateTime( $event['DTSTART'] ); + $start_time->add( $interval ); + $end_time = new DateTime( $event['DTEND'] ); + $end_time->add( $interval ); + + $event['DTSTART'] = $start_time->format( 'YmdHis\Z' ); + $event['DTEND'] = $end_time->format( 'YmdHis\Z' ); + } + + $offsetted_events[] = $event; + } + + return $offsetted_events; + } +} + +function upcoming_events_register_widgets() { + register_widget( 'Upcoming_Events_Widget' ); +} + +add_action( 'widgets_init', 'upcoming_events_register_widgets' ); |