<?php
if( !class_exists( 'Events_List_Widget' ) ) {
    /**
     * Event List Widget
     *
     * Creates a widget that displays the next upcoming x events
     */

    class Events_List_Widget extends WP_Widget {

        public $pluginDomain = 'the-events-calendar';

        function Events_List_Widget() {
                /* Widget settings. */
                $widget_ops = array( 'classname' => 'eventsListWidget', 'description' => __( 'A widget that displays the next upcoming x events.', $this->pluginDomain) );

                /* Widget control settings. */
                $control_ops = array( 'id_base' => 'events-list-widget' );

                /* Create the widget. */
                $this->WP_Widget( 'events-list-widget', 'Events List Widget', $widget_ops, $control_ops );
            }

            function widget( $args, $instance ) {
                global $wp_query, $sp_ecp, $post;
                $old_post = $post;
                extract( $args, EXTR_SKIP );
                extract( $instance, EXTR_SKIP );
                // extracting $instance provides $title, $limit, $no_upcoming_events, $start, $end, $venue, $address, $city, $state, $province'], $zip, $country, $phone , $cost
                $title = apply_filters('widget_title', $title );

                if ( sp_get_option('viewOption') == 'upcoming') {
                    $event_url = sp_get_listview_link();
                } else {
                    $event_url = sp_get_gridview_link();
                }

                if( function_exists( 'sp_get_events' ) ) {
                    $old_display = $wp_query->get('eventDisplay');
                    $wp_query->set('eventDisplay', 'upcoming');
                    $posts = sp_get_events( 'numResults=' . $limit .'&eventCat=' . $category );
                    $template = $sp_ecp->getTemplateHierarchy('events-list-load-widget-display');
                }

                // if no posts, and the don't show if no posts checked, let's bail
                if ( ! $posts && $no_upcoming_events ) {
                    return;
                }

                /* Before widget (defined by themes). */
                echo $before_widget;

                /* Title of widget (before and after defined by themes). */
                echo ( $title ) ? $before_title . $title . $after_title : '';

                if ( $posts ) {
                    /* Display list of events. */
                    echo "<ul class='two-col-special'>";
                    echo "<li>";
                    foreach( $posts as $post ) :
                        setup_postdata($post);
                        include $template;
                    endforeach;
                    echo "</li>";
                    echo "</ul>";

                    $wp_query->set('eventDisplay', $old_display);

                    /* Display link to all events */
                    echo '<div class="dig-in"><a href="' . $event_url . '">' . __('View All Events', $this->pluginDomain ) . '</a></div>';
                }
                else {
                    _e('There are no upcoming events at this time.', $this->pluginDomain);
                }

                /* After widget (defined by themes). */
                echo $after_widget;
                $post = $old_post;
            }

            function update( $new_instance, $old_instance ) {
                    $instance = $old_instance;

                    /* Strip tags (if needed) and update the widget settings. */
                    $instance['title'] = strip_tags( $new_instance['title'] );
                    $instance['limit'] = $new_instance['limit'];
                    $instance['no_upcoming_events'] = $new_instance['no_upcoming_events'];
                    $instance['start'] = $new_instance['start'];
                    $instance['end'] = $new_instance['end'];
                    $instance['venue'] = $new_instance['venue'];
                    $instance['country'] = $new_instance['country'];
                    $instance['address'] = $new_instance['address'];
                    $instance['city'] = $new_instance['city'];
                    $instance['region'] = $new_instance['region'];
                    $instance['zip'] = $new_instance['zip'];
                    $instance['phone'] = $new_instance['phone'];
                    $instance['cost'] = $new_instance['cost'];
                    $instance['category'] = $new_instance['category'];

                    return $instance;
            }

            function form( $instance ) {
                /* Set up default widget settings. */
                $defaults = array( 'title' => 'Upcoming Events', 'limit' => '5', 'start' => true, 'end' => false, 'venue' => false, 'country' => true, 'address' => false, 'city' => true, 'region' => true, 'zip' => false, 'phone' => false, 'cost' => false,'category' => false);
                $instance = wp_parse_args( (array) $instance, $defaults );
                include( $sp_ecp->pluginPath . 'views/events-list-load-widget-admin.php' );
            }
    }

    /* Add function to the widgets_ hook. */
    add_action( 'widgets_init', 'events_list_load_widgets',100 );

    /* Function that registers widget. */
    function events_list_load_widgets() {
        global $pluginDomain;
        register_widget( 'Events_List_Widget' );
        // load text domain after class registration
        load_plugin_textdomain( 'the-events-calendar', false, basename(dirname(__FILE__)) . '/lang/');
    }
}