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<?php |
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/** |
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* @version 1.0 |
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* @package Booking Calendar |
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* @subpackage Calendar Scripts |
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* @category Functions |
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* |
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* @author wpdevelop |
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* @link https://wpbookingcalendar.com/ |
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* @email info@wpbookingcalendar.com |
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* |
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* @modified 2025-07-19 |
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* @file: ../includes/_functions/calendar_scripts.php |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly. |
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} |
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|
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// ===================================================================================================================== |
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// == Calendar functions == |
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// ===================================================================================================================== |
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/** |
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* Print the critical inline CSS exactly once per page. |
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* - In Elementor-safe mode, collect CSS into WPBC_FE_Assets (head if possible, else footer). |
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* - Legacy fallback: echo <style> in place. |
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*/ |
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function wpbc_print_loader_inline_css_once() { |
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|
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static $printed = false; |
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if ( $printed ) { |
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return; |
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} |
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$printed = true; |
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|
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$css = " |
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/* Critical loader styles (scoped by class names) */ |
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.calendar_loader_frame { |
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width: calc(341px * var(--wpbc-loader-cols, 1)); |
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max-width: 100%; |
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height: 307px; |
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display: flex; |
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flex-flow: column nowrap; |
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align-items: center; |
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justify-content: center; |
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border-radius: 5px; |
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box-shadow: 0 0 2px #ccc; |
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gap: 15px; |
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/* Calendar variables (safe fallbacks) */ |
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color: var(--wpbc_cal-available-text-color, #2c3e50); |
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background: rgb(from var(--wpbc_cal-available-day-color, #e6f2ff) r g b / var(--wpbc_cal-day-bg-color-opacity, 1)); |
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border: var(--wpbc_cal-day-cell-border-width, 1px) solid var(--wpbc_cal-available-day-color, #aacbeb); |
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} |
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.calendar_loader_text { |
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font-size: 18px; |
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text-align: center; |
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} |
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.calendar_loader_frame__progress_line_container { |
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width: 50%; |
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height: 3px; |
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margin-top: 7px; |
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overflow: hidden; |
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background: #202020; |
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border-radius: 30px; |
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} |
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.calendar_loader_frame__progress_line { |
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width: 0%; |
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height: 3px; |
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background: #8ECE01; |
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border-radius: 30px; |
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animation: calendar_loader_bar_progress 3s infinite linear; |
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} |
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@keyframes calendar_loader_bar_progress { to { width: 100%; } } |
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@media (prefers-reduced-motion: reduce) { |
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.calendar_loader_frame__progress_line { animation: none; width: 50%; } |
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} |
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"; |
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|
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// Elementor-safe path: attach CSS to an enqueued WPBC stylesheet. |
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if ( class_exists( 'WPBC_FE_Assets' ) ) { |
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|
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// Ensure the target style is enqueued (safe-check anyway). |
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if ( function_exists( 'wp_enqueue_style' ) ) { |
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wp_enqueue_style( 'wpbc-ui-both', wpbc_plugin_url( '/css/wpbc_ui_both.css' ), array(), WP_BK_VERSION_NUM ); // FixIn: 10.0.0.25. |
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} |
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// FixIn: 10.14.14.1. |
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$added = WPBC_FE_Assets::add_inline_css_to_wp_style( 'wpbc-ui-both', $css, 'wpbc:calendar-loader-css' ); |
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|
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if ( $added ) { |
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return; // Do NOT print <style> inside content. |
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} |
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} |
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|
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// Legacy fallback (only when WP inline style cannot be attached). |
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echo "\n" . '<style id="wpbc_calendar_loader_inline_css">' . "\n" . $css . "\n" . '</style>' . "\n"; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
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} |
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|
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|
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|
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/** |
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* Output a single calendar loader block (no inline <script>, includes inline CSS once). |
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* |
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* How it works: |
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* - The external JS (enqueued here) auto-detects this block and manages the loader lifecycle. |
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* - Multiple instances on the same page are supported, even with duplicate RIDs. |
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* - Critical CSS is printed inline once, so loaders render correctly immediately. |
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* |
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* @param int $resource_id Booking resource ID for this calendar. |
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* @param int $months_number Number of months in calendar view (affects width). |
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* @param int $grace_ms Grace time in ms before showing helpful messages (default 8000). |
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* |
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* @return string HTML markup for the loader. |
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*/ |
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function wpbc_get_calendar_loader_animation( $resource_id = 1, $months_number = 1, $grace_ms = 8000 ) { |
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|
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ob_start(); |
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|
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$rid = (int) $resource_id; |
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$cols = max( 1, (int) $months_number ); |
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$grace = max( 1, (int) $grace_ms ); |
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|
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// Print the inline CSS once. |
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wpbc_print_loader_inline_css_once(); |
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?> |
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<div class="calendar_loader_frame calendar_loader_frame<?php echo esc_attr( $rid ); ?>" |
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data-wpbc-rid="<?php echo esc_attr( $rid ); ?>" |
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data-wpbc-grace="<?php echo esc_attr( $grace ); ?>" |
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style="--wpbc-loader-cols: <?php echo esc_attr( $cols ); ?>;" |
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> |
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<div class="calendar_loader_text"><?php esc_html_e( 'Loading', 'booking' ); ?>...</div> |
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<div class="calendar_loader_frame__progress_line_container"> |
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<div class="calendar_loader_frame__progress_line"></div> |
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</div> |
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</div> |
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<?php |
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|
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return ob_get_clean(); |
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} |
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|
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// FixIn: 10.14.6.1. |
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/** |
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* Keep Cloudflare Rocket Loader ON, but exclude key scripts it must not defer. |
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* Prevents "jQuery is not defined" / "_wpbc is undefined" races. |
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*/ |
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function wpbc_disable_cloudflare_on_calendar_script( $tag, $handle, $src = '' ) { |
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|
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// 1) Handles to exclude (extendable via filter) |
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$exclude_handles = [ |
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// WordPress core libs: |
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'jquery', 'jquery-core', 'jquery-migrate', |
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'jquery-ui-core', 'jquery-ui-datepicker', |
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|
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// Booking Calendar (common handles; may vary by site): |
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'wpbc_all', |
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'wpbc-main-client', |
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'wpbc-datepick', |
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'wpbc-datepick-localize', |
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'wpbc-times', |
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'wpbc-time-selector', |
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'wpbc-timeline-flex', |
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'wpbc_capacity', |
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'wpbc-popper', |
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'wpbc-tipcy', |
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'wpbc-imask', |
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]; |
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|
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$exclude_handles = apply_filters( 'wpbc_cloudflare_exclude_handles', $exclude_handles, $tag, $handle, $src ); |
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|
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// 2) Decide whether to exclude this script |
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$should_exclude = in_array( $handle, $exclude_handles, true ); |
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|
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// 3) Fallbacks by src path (covers all Booking Calendar assets) |
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if ( ! $should_exclude && is_string( $src ) ) { |
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if ( strpos( $src, '/wp-content/plugins/booking/' ) !== false ) { |
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$should_exclude = true; |
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} |
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if ( strpos( $src, '/wp-content/plugins/booking-calendar-com/' ) !== false ) { |
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$should_exclude = true; |
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} |
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} |
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|
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if ( $should_exclude ) { |
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// Add data-cfasync="false" once (prevents Rocket Loader rewrite) |
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if ( strpos( $tag, 'data-cfasync=' ) === false ) { |
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$tag = preg_replace( '/^<script\b/i', '<script data-cfasync="false"', $tag, 1 ); |
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} |
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// Remove async (keep defer) |
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$tag = preg_replace( '/\sasync(\s*=\s*([\'"][^\'"]*[\'"]|[^\s>]+))?/i', '', $tag ); |
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} |
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|
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return $tag; |
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} |
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// Use a later priority so we run after most tag modifiers. |
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add_filter( 'script_loader_tag', 'wpbc_disable_cloudflare_on_calendar_script', 100, 3 ); |
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|
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|
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|
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/** |
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* Get HTML for the initilizing inline calendars |
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* |
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* @param integer $resource_id - ID of booking resource. |
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* @param integer $cal_count - Number of months. |
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* @param array $shortcode_param__options - Options. |
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* |
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* @return string |
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*/ |
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function wpbc_pre_get_calendar_html( $resource_id = 1, $cal_count = 1, $shortcode_param__options = array() ) { |
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|
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/** |
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* SHORTCODE: [booking type=56 form_type='standard' nummonths=4 options='{calendar months_num_in_row=2 width=682px cell_height=48px}'] . |
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* OPTIONS: |
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* [months_num_in_row] => 2 |
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* [width] => 341px define: width: 100%; max-width:341px; |
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* [strong_width] => 341px define: width:341px; |
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* [cell_height] => 48px |
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*/ |
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$shortcode_param__options = wpbc_parse_calendar_options( $shortcode_param__options ); |
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|
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$width = ''; |
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$months_num_in_row = ''; |
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$cell_height = ''; |
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|
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if ( ! empty( $shortcode_param__options ) ) { |
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|
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if ( isset( $shortcode_param__options['months_num_in_row'] ) ) { |
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$months_num_in_row = $shortcode_param__options['months_num_in_row']; |
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} |
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|
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if ( isset( $shortcode_param__options['width'] ) ) { |
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$width = 'width:100%;max-width:' . $shortcode_param__options['width'] . ';'; // FixIn: 9.3.1.5. |
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} |
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if ( isset( $shortcode_param__options['strong_width'] ) ) { |
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$width .= 'width:' . $shortcode_param__options['strong_width'] . ';'; // FixIn: 9.3.1.6. |
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} |
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|
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if ( isset( $shortcode_param__options['cell_height'] ) ) { |
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$cell_height = $shortcode_param__options['cell_height']; |
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} |
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if ( isset( $shortcode_param__options['strong_cell_height'] ) ) { // FixIn: 9.7.3.3. |
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$cell_height = $shortcode_param__options['strong_cell_height'] . '!important;'; |
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} |
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} |
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/* FixIn: 9.7.3.4 */ |
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|
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if ( ! empty( $cell_height ) ) { |
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// FixIn: 10.13.1.3. |
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// phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedStylesheet |
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$style = '<style type="text/css" rel="stylesheet" >.hasDatepick .datepick-inline .datepick-title-row th,.hasDatepick .datepick-inline .datepick-days-cell,.hasDatepick .datepick-inline .wpbc-cell-box{ max-height: ' . $cell_height . '; }</style>'; // FixIn: 10.12.4.2. |
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} else { |
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$style = ''; |
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} |
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|
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$is_custom_width_css = ( empty( $width ) ) ? ' wpbc_no_custom_width ' : ''; |
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|
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$calendar = $style . |
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'<div class="wpbc_cal_container bk_calendar_frame' . $is_custom_width_css . ' months_num_in_row_' . $months_num_in_row . ' cal_month_num_' . $cal_count . '" style="' . $width . '">' . |
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'<div id="calendar_booking' . $resource_id . '" class="wpbc_calendar_id_' . $resource_id . '" >' . |
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wpbc_get_calendar_loader_animation( $resource_id, $cal_count ) . |
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'</div>' . |
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'</div>'; |
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|
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$booking_is_show_powered_by_notice = get_bk_option( 'booking_is_show_powered_by_notice' ); |
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if ( ( ! class_exists( 'wpdev_bk_personal' ) ) && ( 'On' === $booking_is_show_powered_by_notice ) ) { |
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$calendar .= '<div style="font-size:7px;text-align:left;margin:0 0 10px;text-shadow: none;">Powered by <a href="https://wpbookingcalendar.com" style="font-size:7px;" target="_blank" title="Booking Calendar plugin for WordPress">Booking Calendar</a></div>'; |
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} |
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|
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$calendar .= '<textarea id="date_booking' . $resource_id . '" name="date_booking' . $resource_id . '" autocomplete="off" style="display:none;"></textarea>'; // Calendar code. |
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|
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$calendar .= wpbc_get_calendar_legend( $resource_id ); // FixIn: 9.4.3.6. |
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|
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$calendar_css_class_outer = 'wpbc_calendar_wraper'; |
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|
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// FixIn: 7.0.1.24. |
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$is_booking_change_over_days_triangles = get_bk_option( 'booking_change_over_days_triangles' ); |
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$is_booking_used_check_in_out_time = null; |
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if ( function_exists( 'wpbc_settings_calendar__preview_is_changeover_enabled' ) ) { |
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$is_booking_used_check_in_out_time = wpbc_settings_calendar__preview_is_changeover_enabled( $resource_id, false ); |
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} |
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if ( null === $is_booking_used_check_in_out_time ) { |
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$is_booking_used_check_in_out_time = ( |
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( ! function_exists( 'wpbc_is_booking_used_check_in_out_time' ) ) |
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|| ( wpbc_is_booking_used_check_in_out_time( false, $resource_id ) ) |
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); |
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} |
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if ( |
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( 'Off' !== $is_booking_change_over_days_triangles ) |
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&& $is_booking_used_check_in_out_time |
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) { |
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$calendar_css_class_outer .= ' wpbc_change_over_triangle'; |
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} |
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|
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// filenames, such as 'multidays.css'. |
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$calendar_skin_name = basename( get_bk_option( 'booking_skin' ) ); |
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if ( wpbc_is_calendar_skin_legacy( $calendar_skin_name ) ) { |
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$calendar_css_class_outer .= ' wpbc_calendar_skin_legacy'; |
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} |
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|
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$calendar = '<div class="' . esc_attr( $calendar_css_class_outer ) . '">' . $calendar . '</div>'; |
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|
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return $calendar; |
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} |
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|
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// >=BM - Get script for calendar activation required only in the BM version for extra calendars.! |
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add_bk_filter( 'pre_get_calendar_html', 'wpbc_pre_get_calendar_html' ); |
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|
