Add upstream

wp-content/plugins/jetpack/modules/widgets/upcoming-events.php

@@ -0,0 +1,131 @@
+<?php
+
+class Jetpack_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' );
+	}
+
+	// Left this function here for backward compatibility
+	// just incase a site using jetpack is also using this function
+	function apply_timezone_offset( $events ) {
+		jetpack_require_lib( 'icalendar-reader' );
+
+		$ical = new iCalendarReader();
+		return $ical->apply_timezone_offset( $events );
+	}
+}
+
+function upcoming_events_register_widgets() {
+	register_widget( 'Jetpack_Upcoming_Events_Widget' );
+}
+
+add_action( 'widgets_init', 'upcoming_events_register_widgets' );