132 lines
4.3 KiB
PHP
132 lines
4.3 KiB
PHP
<?php
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class Jetpack_Upcoming_Events_Widget extends WP_Widget {
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function __construct() {
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parent::__construct(
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'upcoming_events_widget',
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/** This filter is documented in modules/widgets/facebook-likebox.php */
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apply_filters( 'jetpack_widget_name', __( 'Upcoming Events', 'jetpack' ) ),
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array(
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'description' => __( 'Display upcoming events from an iCalendar feed.', 'jetpack' ),
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'customize_selective_refresh' => true,
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)
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);
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if ( is_active_widget( false, false, $this->id_base ) ) {
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add_action( 'wp_head', array( $this, 'css' ) );
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}
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}
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function css() {
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?>
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<style type="text/css">
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.upcoming-events li {
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margin-bottom: 10px;
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}
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.upcoming-events li span {
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display: block;
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}
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</style>
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<?php
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}
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function form( $instance ) {
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$defaults = array(
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'title' => __( 'Upcoming Events', 'jetpack' ),
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'feed-url' => '',
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'count' => 3,
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);
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$instance = array_merge( $defaults, (array) $instance );
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?>
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<p>
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<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:', 'jetpack' ); ?></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( 'feed-url' ); ?>"><?php _e( 'iCalendar Feed URL:', 'jetpack' ); ?></label>
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<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'] ); ?>" />
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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( 'Items to show:', 'jetpack' ); ?></label>
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<select id="<?php echo $this->get_field_id( 'count' ); ?>" name="<?php echo $this->get_field_name( 'count' ); ?>">
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<?php
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$i = 1;
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while ( $i <= 10 ) {
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?>
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<option <?php selected( $instance['count'], $i ); ?>><?php echo $i; ?></option>
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<?php $i++; } ?>
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<option value="0" <?php selected( $instance['count'], 0 ); ?>><?php _e( 'All', 'jetpack' ); ?></option>
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</select>
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</p>
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<?php
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}
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function update( $new_instance, $old_instance ) {
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$instance['title'] = strip_tags( $new_instance['title'] );
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$instance['feed-url'] = strip_tags( $new_instance['feed-url'] );
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$instance['count'] = min( absint( $new_instance['count'] ), 10 ); // 10 or less
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return $instance;
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}
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function widget( $args, $instance ) {
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jetpack_require_lib( 'icalendar-reader' );
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$ical = new iCalendarReader();
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$events = $ical->get_events( $instance['feed-url'], $instance['count'] );
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$events = $this->apply_timezone_offset( $events );
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$ical->timezone = null;
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echo $args['before_widget'];
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if ( ! empty( $instance['title'] ) ) {
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echo $args['before_title'];
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echo esc_html( $instance['title'] );
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echo $args['after_title'];
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}
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if ( ! $events ) : // nothing to display?
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?>
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<p><?php echo __( 'No upcoming events', 'jetpack' ); ?></p>
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<?php
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else :
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?>
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<ul class="upcoming-events">
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<?php foreach ( $events as $event ) : ?>
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<li>
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<strong class="event-summary"><?php echo $ical->escape( stripslashes( $event['SUMMARY'] ) ); ?></strong>
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<span class="event-when"><?php echo $ical->formatted_date( $event ); ?></span>
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<?php if ( ! empty( $event['LOCATION'] ) ) : ?>
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<span class="event-location"><?php echo $ical->escape( stripslashes( $event['LOCATION'] ) ); ?></span>
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<?php endif; ?>
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<?php if ( ! empty( $event['DESCRIPTION'] ) ) : ?>
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<span class="event-description"><?php echo wp_trim_words( $ical->escape( stripcslashes( $event['DESCRIPTION'] ) ) ); ?></span>
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<?php endif; ?>
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</li>
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<?php endforeach; ?>
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</ul>
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<?php
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endif;
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echo $args['after_widget'];
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/** This action is documented in modules/widgets/gravatar-profile.php */
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do_action( 'jetpack_stats_extra', 'widget_view', 'grofile' );
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}
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// Left this function here for backward compatibility
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// just incase a site using jetpack is also using this function
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function apply_timezone_offset( $events ) {
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jetpack_require_lib( 'icalendar-reader' );
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$ical = new iCalendarReader();
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return $ical->apply_timezone_offset( $events );
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}
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}
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function upcoming_events_register_widgets() {
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register_widget( 'Jetpack_Upcoming_Events_Widget' );
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}
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add_action( 'widgets_init', 'upcoming_events_register_widgets' );
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