index.php

<?php
/**
 * Plugin Name:       The Events Calendar Extension: Divi Theme Compatibility
 * Plugin URI:        https://theeventscalendar.com/extensions/elegant-themes-divi-theme-compatibility/
 * GitHub Plugin URI: https://github.com/mt-support/tribe-ext-divi-theme-compatibility
 * Description:       Makes The Events Calendar compatible with Elegant Themes' Divi theme and Divi-based themes (e.g. Extra theme). The posts_per_page / pagination fix should also work for all their themes, even if not Divi-based.
 * Version:           1.1.0
 * Extension Class:   Tribe__Extension__Divi_Theme_Compatibility
 * Author:            Modern Tribe, Inc.
 * Author URI:        http://m.tri.be/1971
 * License:           GPL version 3 or any later version
 * License URI:       https://www.gnu.org/licenses/gpl-3.0.html
 *
 *     This plugin is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     any later version.
 *
 *     This plugin is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *     GNU General Public License for more details.
 */

// Do not load unless Tribe Common is fully loaded and our class does not yet exist.
if (
    class_exists('Tribe__Extension')
    && !class_exists('Tribe__Extension__Example')
) {
    /**
     * Extension main class, class begins loading on init() function.
     */
    class Tribe__Extension__Divi_Theme_Compatibility extends Tribe__Extension {

        /**
         * Setup the Extension's properties.
         *
         * This always executes even if the required plugins are not present.
         */
        public function construct() {
            $this->add_required_plugin('Tribe__Events__Main');
            $this->set_url('https://theeventscalendar.com/extensions/elegant-themes-divi-theme-compatibility/');
            $this->set_version( '1.1.0' );
        }

        /**
         * Extension initialization and hooks.
         */
        public function init() {
            if (!is_admin()) {
                add_filter('parse_query', array($this, 'remove_et_custom_posts_per_page'), 100);
            }

            add_action('wp_head', array($this, 'fix_et_sidebar_style'));
        }

        /**
         * Remove Elegant Themes' custom posts per page.
         *
         * Applies to ALL themes by Elegant Themes, not just Divi and Divi-based themes
         *
         * @see et_custom_posts_per_page()
         *
         * @param WP_Query $query
         */
        public function remove_et_custom_posts_per_page($query) {
            if ($query->tribe_is_event_query) {
                remove_action('pre_get_posts', 'et_custom_posts_per_page');
            }
        }

        public function fix_et_sidebar_style() {
            ?>
            <style type="text/css" id="tribe_ext_fix_et_sidebar_style">
                .entry-content thead th, .entry-content tr th, .entry-content tr td {
                    padding-left: 0;
                    padding-right: 0;
                }
                .et_pb_widget.tribe_mini_calendar_widget {
                    width: unset !important;
                }
                .et_pb_column_1_4 .et_pb_widget.tribe_mini_calendar_widget .list-date {
                    width: 20%;
                }
                .et_pb_column_1_4 .et_pb_widget.tribe_mini_calendar_widget .list-info {
                    width: 75%;
                }
                .et_pb_widget_area .et_pb_widget .tribe-events-present a {
                    color: #fff;
                }
            </style>
            <?php
        }

    }  // end class
} // end if class_exists check