/includes/admin/metaboxes/settings.php

  1. <?php 
  2. /** 
  3.  * Calendar Feed Settings Meta Box 
  4.  * 
  5.  * @package SimpleCalendar/Admin 
  6.  */ 
  7. namespace SimpleCalendar\Admin\Metaboxes; 
  8.  
  9. use SimpleCalendar\Abstracts\Meta_Box; 
  10. use SimpleCalendar\Abstracts\Calendar; 
  11. use SimpleCalendar\Abstracts\Feed; 
  12. use SimpleCalendar\Abstracts\Field; 
  13.  
  14. if ( ! defined( 'ABSPATH' ) ) { 
  15.   exit; 
  16. } 
  17.  
  18. /** 
  19.  * Calendar feed settings. 
  20.  * 
  21.  * Meta box for handling an individual feed settings. 
  22.  * 
  23.  * @since 3.0.0 
  24.  */ 
  25. class Settings implements Meta_Box { 
  26.  
  27.   /** 
  28.    * Output the meta box markup. 
  29.    * 
  30.    * @since 3.0.0 
  31.    * 
  32.    * @param \WP_Post $post 
  33.    */ 
  34.   public static function html( $post ) { 
  35.  
  36.       // @see Meta_Boxes::save_meta_boxes() 
  37.       wp_nonce_field( 'simcal_save_data', 'simcal_meta_nonce' ); 
  38.  
  39.       ?> 
  40.       <div class="simcal-panels-wrap"> 
  41.  
  42.           <span class="simcal-box-handle"> 
  43.               <?php self::settings_handle( $post ); ?> 
  44.           </span> 
  45.  
  46.           <ul class="simcal-tabs"> 
  47.               <?php self::settings_tabs( $post ); ?> 
  48.               <?php do_action( 'simcal_settings_meta_tabs' ); ?> 
  49.           </ul> 
  50.  
  51.           <div class="simcal-panels"> 
  52.               <div id="events-settings-panel" class="simcal-panel"> 
  53.                   <?php self::events_settings_panel( $post ); ?> 
  54.                   <?php do_action( 'simcal_settings_meta_events_panel', $post->ID ); ?> 
  55.               </div> 
  56.               <div id="calendar-settings-panel" class="simcal-panel"> 
  57.                   <?php do_action( 'simcal_settings_meta_calendar_panel', $post->ID ); ?> 
  58.                   <?php self::calendar_settings_panel( $post ); ?> 
  59.               </div> 
  60.               <?php 
  61.               // Hook for additional settings panels. 
  62.               do_action( 'simcal_settings_meta_panels', $post->ID ); 
  63.               // Thus advanced panel is always the last one: 
  64.               ?> 
  65.               <div id="advanced-settings-panel" class="simcal-panel"> 
  66.                   <?php self::advanced_settings_panel( $post ) ?> 
  67.                   <?php do_action( 'simcal_settings_meta_advanced_panel', $post->ID ); ?> 
  68.               </div> 
  69.           </div> 
  70.  
  71.           <div class="clear"> 
  72.           </div> 
  73.  
  74.       </div> 
  75.       <?php 
  76.  
  77.   } 
  78.  
  79.   /** 
  80.    * Print the meta box settings handle. 
  81.    * 
  82.    * @since  3.0.0 
  83.    * @access  private 
  84.    * 
  85.    * @param \WP_Post $post 
  86.    */ 
  87.   private static function settings_handle( $post ) { 
  88.  
  89.       $feed_options = $calendar_options = $calendar_views = array(); 
  90.  
  91.       $feed_types = simcal_get_feed_types(); 
  92.       foreach ( $feed_types as $feed_type ) { 
  93.  
  94.           $feed = simcal_get_feed( $feed_type ); 
  95.  
  96.           if ( $feed instanceof Feed ) { 
  97.               $feed_options[ $feed_type ] = $feed->name; 
  98.           } 
  99.       } 
  100.  
  101.       $calendar_types = simcal_get_calendar_types(); 
  102.       foreach ( $calendar_types as $calendar_type => $views ) { 
  103.  
  104.           $calendar = simcal_get_calendar( $calendar_type ); 
  105.  
  106.           if ( $calendar instanceof Calendar ) { 
  107.               $calendar_options[ $calendar_type ] = $calendar->name; 
  108.               $calendar_views[ $calendar_type ]   = $calendar->views; 
  109.           } 
  110.       } 
  111.  
  112.       if ( $feed_options ) { 
  113.  
  114.           if ( $feed_types = wp_get_object_terms( $post->ID, 'calendar_feed' ) ) { 
  115.               $feed_type = sanitize_title( current( $feed_types )->name ); 
  116.           } else { 
  117.               $feed_type = apply_filters( 'simcal_default_feed_type', 'google' ); 
  118.           } 
  119.  
  120.           ?> 
  121.           <label for="_feed_type"><span><?php _e( 'Event Source', 'google-calendar-events' ); ?></span> 
  122.               <select name="_feed_type" id="_feed_type"> 
  123.                   <optgroup label="<?php _ex( 'Get events from', 'From which calendar source to load events from', 'google-calendar-events' ) ?>"> 
  124.                       <?php foreach ( $feed_options as $feed => $name ) { ?> 
  125.                           <option value="<?php echo $feed; ?>" <?php selected( $feed, $feed_type, true ); ?>><?php echo $name; ?></option> 
  126.                       <?php } ?> 
  127.                   </optgroup> 
  128.               </select> 
  129.           </label> 
  130.           <?php 
  131.  
  132.       } 
  133.  
  134.       if ( $calendar_options ) { 
  135.  
  136.           if ( $calendar_types = wp_get_object_terms( $post->ID, 'calendar_type' ) ) { 
  137.               $calendar_type = sanitize_title( current( $calendar_types )->name ); 
  138.           } else { 
  139.               $calendar_type = apply_filters( 'simcal_default_calendar_type', 'default-calendar' ); 
  140.           } 
  141.  
  142.           ?> 
  143.           <label for="_calendar_type"><span><?php _e( 'Calendar Type', 'google-calendar-events' ); ?></span> 
  144.               <select name="_calendar_type" id="_calendar_type"> 
  145.                   <optgroup label="<?php _e( 'Calendar to use', 'google-calendar-events' ); ?>"> 
  146.                       <?php foreach ( $calendar_options as $calendar => $name ) { ?> 
  147.                           <option value="<?php echo $calendar; ?>" <?php selected( $calendar, $calendar_type, true ); ?>><?php echo $name; ?></option> 
  148.                       <?php } ?> 
  149.                   </optgroup> 
  150.               </select> 
  151.           </label> 
  152.           <?php 
  153.  
  154.           if ( $calendar_views ) { 
  155.  
  156.               $calendar_view = get_post_meta( $post->ID, '_calendar_view', true ); 
  157.  
  158.               foreach ( $calendar_views as $calendar => $views ) { 
  159.  
  160.                   $calendar_type_view = isset( $calendar_view[ $calendar ] ) ? $calendar_view[ $calendar ] : ''; 
  161.  
  162.                   ?> 
  163.                   <label for="_calendar_view_<?php echo $calendar; ?>"><span><?php _e( 'View', 'google-calendar-events' ); ?></span> 
  164.                       <select name="_calendar_view[<?php echo $calendar; ?>]" id="_calendar_view_<?php echo $calendar; ?>"> 
  165.                           <optgroup label="<?php _e( 'View to display', 'google-calendar-events' ); ?>"> 
  166.                               <?php foreach ( $views as $view => $name ) { ?> 
  167.                                   <option value="<?php echo $view; ?>" <?php selected( $view, $calendar_type_view, true ); ?>><?php echo $name; ?></option> 
  168.                               <?php } ?> 
  169.                           </optgroup> 
  170.                       </select> 
  171.                   </label> 
  172.                   <?php 
  173.  
  174.               } 
  175.           } 
  176.       } 
  177.   } 
  178.  
  179.   /** 
  180.    * Print settings tabs. 
  181.    * 
  182.    * @since  3.0.0 
  183.    * @access private 
  184.    * 
  185.    * @param  \WP_Post $post 
  186.    */ 
  187.   private static function settings_tabs( $post ) { 
  188.  
  189.       // Hook to add more tabs. 
  190.       $tabs = apply_filters( 'simcal_settings_meta_tabs_li', array( 
  191.           'events' => array( 
  192.               'label' => __( 'Events', 'google-calendar-events' ),  
  193.               'target' => 'events-settings-panel',  
  194.               'class' => array( 'active' ),  
  195.               'icon' => 'simcal-icon-event',  
  196.  ),  
  197.           'calendar' => array( 
  198.               'label' => __( 'Appearance', 'google-calendar-events' ),  
  199.               'target' => 'calendar-settings-panel',  
  200.               'class' => array(),  
  201.               'icon' => 'simcal-icon-calendar',  
  202.  ),  
  203.  ), $post->ID ); 
  204.  
  205.       // Always keep advanced tab as the last one. 
  206.       $tabs['advanced'] = array( 
  207.           'label' => __( 'Advanced', 'google-calendar-events' ),  
  208.           'target' => 'advanced-settings-panel',  
  209.           'class' => array(),  
  210.           'icon' => 'simcal-icon-settings',  
  211.  ); 
  212.  
  213.       // Output the tabs as list items. 
  214.       foreach ( $tabs as $key => $tab ) { 
  215.  
  216.           if ( isset( $tab['target'] ) && isset( $tab['label'] ) ) { 
  217.  
  218.               $icon = $tab['icon'] ? $tab['icon'] : 'simcal-icon-panel'; 
  219.               $class = $tab['class'] ? $tab['class'] : array(); 
  220.  
  221.               echo '<li class="' . $key . '-settings ' . $key . '-tab ' . implode( ' ', $class ) . '" data-tab="' . $key . '">'; 
  222.               echo    '<a href="#' . $tab['target'] . '"><i class="' . $icon . '" ></i> <span>' . esc_html( $tab['label'] ) . '</span></a>'; 
  223.               echo '</li>'; 
  224.           } 
  225.       } 
  226.   } 
  227.  
  228.   /** 
  229.    * Print events settings panel. 
  230.    * 
  231.    * @since  3.0.0 
  232.    * @access private 
  233.    * 
  234.    * @param  \WP_Post $post 
  235.    */ 
  236.   private static function events_settings_panel( $post ) { 
  237.  
  238.       ?> 
  239.       <table> 
  240.           <thead> 
  241.           <tr><th colspan="2"><?php _e( 'Event Settings', 'google-calendar-events' ); ?></th></tr> 
  242.           </thead> 
  243.           <tbody class="simcal-panel-section simcal-panel-section-events-range"> 
  244.           <tr class="simcal-panel-field"> 
  245.               <th><label for="_calendar_begins"><?php _e( 'Calendar Start', 'google-calendar-events' ); ?></label></th> 
  246.               <td> 
  247.                   <?php 
  248.  
  249.                   $calendar_begins = esc_attr( get_post_meta( $post->ID, '_calendar_begins', true ) ); 
  250.                   $calendar_begins_nth = max( absint( get_post_meta( $post->ID, '_calendar_begins_nth', true ) ), 1 ); 
  251.                   $calendar_begins_nth_show = in_array( $calendar_begins, array( 
  252.                       'days_before',  
  253.                       'days_after',  
  254.                       'weeks_before',  
  255.                       'weeks_after',  
  256.                       'months_before',  
  257.                       'months_after',  
  258.                       'years_before',  
  259.                       'years_after',  
  260.  ) ); 
  261.  
  262.                   simcal_print_field( array( 
  263.                       'type' => 'standard',  
  264.                       'subtype' => 'number',  
  265.                       'name' => '_calendar_begins_nth',  
  266.                       'id' => '_calendar_begins_nth',  
  267.                       'value' => strval( $calendar_begins_nth ),  
  268.                       'attributes' => array( 
  269.                           'min' => '1',  
  270.  ),  
  271.                       'class' => array( 
  272.                           'simcal-field-inline',  
  273.                           'simcal-field-tiny',  
  274.  ),  
  275.                       'style' => ! $calendar_begins_nth_show ? array( 'display' => 'none' ) : '',  
  276.  ) ); 
  277.  
  278.                   ?> 
  279.                   <select name="_calendar_begins" 
  280.                           id="_calendar_begins" 
  281.                           class="simcal-field simcal-field-select simcal-field-inline simcal-field-switch-other"> 
  282.                       <optgroup label="<?php _e( 'Days', 'google-calendar-events' ); ?>"> 
  283.                           <option value="today" 
  284.                                   data-hide-fields="_calendar_begins_custom_date, _calendar_begins_nth" 
  285.                               <?php selected( 'today', $calendar_begins, true ); ?>><?php _e( 'Today', 'google-calendar-events' ); ?></option> 
  286.                           <option value="now" 
  287.                                   data-hide-fields="_calendar_begins_custom_date, _calendar_begins_nth" 
  288.                               <?php selected( 'now', $calendar_begins, true ); ?>><?php _e( 'Now', 'google-calendar-events' ); ?></option> 
  289.                           <option value="days_before" 
  290.                                   data-hide-field="_calendar_begins_custom_date" 
  291.                                   data-show-field="_calendar_begins_nth" <?php selected( 'days_before', $calendar_begins, true ); ?>><?php _e( 'Day(s) before today', 'google-calendar-events' ); ?></option> 
  292.                           <option value="days_after" 
  293.                                   data-hide-field="_calendar_begins_custom_date" 
  294.                                   data-show-field="_calendar_begins_nth" <?php selected( 'days_after', $calendar_begins, true ); ?>><?php _e( 'Day(s) after today', 'google-calendar-events' ); ?></option> 
  295.                       </optgroup> 
  296.                       <optgroup label="<?php _e( 'Weeks', 'google-calendar-events' ); ?>"> 
  297.                           <option value="this_week" 
  298.                                   data-hide-fields="_calendar_begins_custom_date, _calendar_begins_nth" 
  299.                               <?php selected( 'this_week', $calendar_begins, true ); ?>><?php _e( 'This week', 'google-calendar-events' ); ?></option> 
  300.                           <option value="weeks_before" 
  301.                                   data-hide-field="_calendar_begins_custom_date" 
  302.                                   data-show-field="_calendar_begins_nth" <?php selected( 'weeks_before', $calendar_begins, true ); ?>><?php _e( 'Week(s) before current', 'google-calendar-events' ); ?></option> 
  303.                           <option value="weeks_after" 
  304.                                   data-hide-field="_calendar_begins_custom_date" 
  305.                                   data-show-field="_calendar_begins_nth" <?php selected( 'weeks_after', $calendar_begins, true ); ?>><?php _e( 'Week(s) after current', 'google-calendar-events' ); ?></option> 
  306.                       </optgroup> 
  307.                       <optgroup label="<?php _e( 'Months', 'google-calendar-events' ); ?>"> 
  308.                           <option value="this_month" 
  309.                                   data-hide-fields="_calendar_begins_custom_date, _calendar_begins_nth" 
  310.                               <?php selected( 'this_month', $calendar_begins, true ); ?>><?php _e( 'This month', 'google-calendar-events' ); ?></option> 
  311.                           <option value="months_before" 
  312.                                   data-hide-field="_calendar_begins_custom_date" 
  313.                                   data-show-field="_calendar_begins_nth" <?php selected( 'months_before', $calendar_begins, true ); ?>><?php _e( 'Month(s) before current', 'google-calendar-events' ); ?></option> 
  314.                           <option value="months_after" 
  315.                                   data-hide-field="_calendar_begins_custom_date" 
  316.                                   data-show-field="_calendar_begins_nth" <?php selected( 'months_after', $calendar_begins, true ); ?>><?php _e( 'Month(s) after current', 'google-calendar-events' ); ?></option> 
  317.                       </optgroup> 
  318.                       <optgroup label="<?php _e( 'Years', 'google-calendar-events' ); ?>"> 
  319.                           <option value="this_year" 
  320.                                   data-hide-fields="_calendar_begins_custom_date, _calendar_begins_nth" 
  321.                               <?php selected( 'this_year', $calendar_begins, true ); ?>><?php _e( 'This year', 'google-calendar-events' ); ?></option> 
  322.                           <option value="years_before" 
  323.                                   data-show-field="_calendar_begins_nth" <?php selected( 'years_before', $calendar_begins, true ); ?>><?php _e( 'Year(s) before current', 'google-calendar-events' ); ?></option> 
  324.                           <option value="years_after" 
  325.                                   data-hide-field="_calendar_begins_custom_date" 
  326.                                   data-show-field="_calendar_begins_nth" <?php selected( 'years_after', $calendar_begins, true ); ?>><?php _e( 'Year(s) after current', 'google-calendar-events' ); ?></option> 
  327.                       </optgroup> 
  328.                       <optgroup label="<?php _e( 'Other', 'google-calendar-events' ); ?>"> 
  329.                           <option value="custom_date" 
  330.                                   data-hide-field="_calendar_begins_nth" 
  331.                                   data-show-field="_calendar_begins_custom_date" <?php selected( 'custom_date', $calendar_begins, true ); ?>><?php _e( 'Specific date', 'google-calendar-events' ); ?></option> 
  332.                       </optgroup> 
  333.                   </select> 
  334.                   <?php 
  335.  
  336.                   simcal_print_field( array( 
  337.                       'type' => 'date-picker',  
  338.                       'name' => '_calendar_begins_custom_date',  
  339.                       'id' => '_calendar_begins_custom_date',  
  340.                       'value' => get_post_meta( $post->ID, '_calendar_begins_custom_date', true ),  
  341.                       'class' => array( 
  342.                           'simcal-field-inline',  
  343.  ),  
  344.                       'style' => 'custom_date' != $calendar_begins ? array( 'display' => 'none' ) : '',  
  345.  ) ); 
  346.  
  347.                   ?> 
  348.                   <i class="simcal-icon-help simcal-help-tip" 
  349.                      data-tip="<?php _e( 'The calendar default opening date. It will automatically adapt based on the chosen calendar type.', 'google-calendar-events' ); ?>"></i> 
  350.               </td> 
  351.           </tr> 
  352.           <tr class="simcal-panel-field"> 
  353.               <th><label for="_feed_earliest_event_date"><?php _e( 'Earliest Event', 'google-calendar-events' ); ?></label></th> 
  354.               <td> 
  355.                   <?php 
  356.  
  357.                   $earliest_event_saved = get_post_meta( $post->ID, '_feed_earliest_event_date', true ); 
  358.                   $earliest_event = false == $earliest_event_saved ? 'months_before' : esc_attr( $earliest_event_saved ); 
  359.  
  360.                   simcal_print_field( array( 
  361.                       'type' => 'standard',  
  362.                       'subtype' => 'number',  
  363.                       'name' => '_feed_earliest_event_date_range',  
  364.                       'id' => '_feed_earliest_event_date_range',  
  365.                       'value' => strval( max( absint( get_post_meta( $post->ID, '_feed_earliest_event_date_range', true ) ), 1 ) ),  
  366.                       'attributes' => array( 
  367.                           'min' => '1',  
  368.  ),  
  369.                       'class' => array( 
  370.                           'simcal-field-inline',  
  371.                           'simcal-field-tiny',  
  372.  ),  
  373.                       'style' => ( 'now' != $earliest_event ) && ( 'today' != $earliest_event ) ? array( 'display' => 'none' ) : '',  
  374.  ) ); 
  375.  
  376.                   ?> 
  377.                   <select name="_feed_earliest_event_date" 
  378.                           id="_feed_earliest_event_date" 
  379.                           class="simcal-field simcal-field-select simcal-field-inline simcal-field-switch-other"> 
  380.                       <option value="calendar_start" data-hide-field="_feed_earliest_event_date_range" <?php selected( 'calendar_start', $earliest_event, true ); ?>><?php _e( 'Same as start date', 'google-calendar-events' ); ?></option> 
  381.                       <option value="days_before"    data-show-field="_feed_earliest_event_date_range" <?php selected( 'days_before', $earliest_event, true ); ?>><?php _e( 'Day(s) before start date', 'google-calendar-events' ); ?></option> 
  382.                       <option value="weeks_before"   data-show-field="_feed_earliest_event_date_range" <?php selected( 'weeks_before', $earliest_event, true ); ?>><?php _e( 'Week(s) before start date', 'google-calendar-events' ); ?></option> 
  383.                       <option value="months_before"  data-show-field="_feed_earliest_event_date_range" <?php selected( 'months_before', $earliest_event, true ); ?>><?php _e( 'Month(s) before start date', 'google-calendar-events' ); ?></option> 
  384.                       <option value="years_before"   data-show-field="_feed_earliest_event_date_range" <?php selected( 'years_before', $earliest_event, true ); ?>><?php _e( 'Year(s) before start date', 'google-calendar-events' ); ?></option> 
  385.                   </select> 
  386.                   <i class="simcal-icon-help simcal-help-tip" 
  387.                      data-tip="<?php _e( 'Set the date for the earliest possible event to show in calendar. There will not be events before this date.', 'google-calendar-events' ); ?>"></i> 
  388.               </td> 
  389.           </tr> 
  390.           <tr class="simcal-panel-field"> 
  391.               <th><label for="_feed_latest_event_date"><?php _e( 'Latest Event', 'google-calendar-events' ); ?></label></th> 
  392.               <td> 
  393.                   <?php 
  394.  
  395.                   $latest_event_saved = get_post_meta( $post->ID, '_feed_latest_event_date', true ); 
  396.                   $latest_event = false == $latest_event_saved ? 'years_after' : esc_attr( $latest_event_saved ); 
  397.  
  398.                   simcal_print_field( array( 
  399.                       'type' => 'standard',  
  400.                       'subtype' => 'number',  
  401.                       'name' => '_feed_latest_event_date_range',  
  402.                       'id' => '_feed_latest_event_date_range',  
  403.                       'value' => strval( max( absint( get_post_meta( $post->ID, '_feed_latest_event_date_range', true ) ), 1 ) ),  
  404.                       'attributes' => array( 
  405.                           'min' => '1',  
  406.  ),  
  407.                       'class' => array( 
  408.                           'simcal-field-inline',  
  409.                           'simcal-field-tiny',  
  410.  ),  
  411.                       'style' => 'indefinite' != $latest_event ? array( 'display' => 'none' ) : '',  
  412.  ) ); 
  413.  
  414.                   ?> 
  415.                   <select name="_feed_latest_event_date" 
  416.                           id="_feed_latest_event_date" 
  417.                           class="simcal-field simcal-field-select simcal-field-inline simcal-field-switch-other"> 
  418.                       <option value="calendar_start" data-hide-field="_feed_latest_event_date_range" <?php selected( 'calendar_start', $earliest_event, true ); ?>><?php _e( 'Day end of start date', 'google-calendar-events' ); ?></option> 
  419.                       <option value="days_after"     data-show-field="_feed_latest_event_date_range" <?php selected( 'days_after', $latest_event, true ); ?>><?php _e( 'Day(s) after start date', 'google-calendar-events' ); ?></option> 
  420.                       <option value="weeks_after"    data-show-field="_feed_latest_event_date_range" <?php selected( 'weeks_after', $latest_event, true ); ?>><?php _e( 'Weeks(s) after start date', 'google-calendar-events' ); ?></option> 
  421.                       <option value="months_after"   data-show-field="_feed_latest_event_date_range" <?php selected( 'months_after', $latest_event, true ); ?>><?php _e( 'Month(s) after start date', 'google-calendar-events' ); ?></option> 
  422.                       <option value="years_after"    data-show-field="_feed_latest_event_date_range" <?php selected( 'years_after', $latest_event, true ); ?>><?php _e( 'Year(s) after start date', 'google-calendar-events' ); ?></option> 
  423.                   </select> 
  424.                   <i class="simcal-icon-help simcal-help-tip" 
  425.                      data-tip="<?php _e( 'Set the date for the latest possible event to show on calendar. There will not be events after this date.', 'google-calendar-events' ); ?>"></i> 
  426.               </td> 
  427.           </tr> 
  428.           </tbody> 
  429.       </table> 
  430.       <?php 
  431.  
  432.   } 
  433.  
  434.   /** 
  435.    * Print the calendar settings panel. 
  436.    * 
  437.    * @since  3.0.0 
  438.    * @access private 
  439.    * 
  440.    * @param  \WP_Post $post 
  441.    */ 
  442.   private static function calendar_settings_panel( $post ) { 
  443.  
  444.       ?> 
  445.       <table> 
  446.           <thead> 
  447.           <tr><th colspan="2"><?php _e( 'Miscellaneous', 'google-calendar-events' ); ?></th></tr> 
  448.           </thead> 
  449.           <tbody class="simcal-panel-section"> 
  450.           <tr class="simcal-panel-field"> 
  451.               <th><label for="_calendar_is_static"><?php _e( 'Static Calendar', 'google-calendar-events' ); ?></label></th> 
  452.               <td> 
  453.                   <?php 
  454.  
  455.                   $fixed = get_post_meta( $post->ID, '_calendar_is_static', true ); 
  456.  
  457.                   simcal_print_field( array( 
  458.                       'type' => 'checkbox',  
  459.                       'name' => '_calendar_is_static',  
  460.                       'id' => '_calendar_is_static',  
  461.                       'tooltip' => __( 'Remove the navigation arrows and fix the calendar view to its initial state.', 'google-calendar-events' ),  
  462.                       'value' => 'yes' == $fixed ? 'yes' : 'no',  
  463.                       'text' => __( 'Yes (hide navigation arrows)', 'google-calendar-events' ),  
  464.  ) ); 
  465.  
  466.                   ?> 
  467.               </td> 
  468.           </tr> 
  469.           <tr class="simcal-panel-field"> 
  470.               <th><label for="_no_events_message"><?php _e( 'No Events Message', 'google-calendar-events' ); ?></label></th> 
  471.               <td> 
  472.                   <?php 
  473.  
  474.                   simcal_print_field( array( 
  475.                       'type' => 'textarea',  
  476.                       'name' => '_no_events_message',  
  477.                       'id' => '_no_events_message',  
  478.                       'tooltip' => __( 'Some calendars may display a message when no events are found. You can change the default message here.', 'google-calendar-events' ),  
  479.                       'value' => get_post_meta( $post->ID, '_no_events_message', true ),  
  480.                       'placeholder' => __( 'There are no upcoming events.', 'google-calendar-events' ),  
  481.  ) ); 
  482.  
  483.                   ?> 
  484.               </td> 
  485.           </tr> 
  486.           <tr class="simcal-panel-field"> 
  487.               <th><label for="_event_formatting"><?php _e( 'Event Formatting', 'google-calendar-events' ); ?></label></th> 
  488.               <td> 
  489.                   <?php 
  490.  
  491.                   $event_formatting = get_post_meta( $post->ID, '_event_formatting', true ); 
  492.  
  493.                   simcal_print_field( array( 
  494.                       'type' => 'select',  
  495.                       'name' => '_event_formatting',  
  496.                       'id' => '_event_formatting',  
  497.                       'tooltip' => __( 'How to preserve line breaks and paragraphs in the event template builder.', 'google-calendar-events' ),  
  498.                       'value' => $event_formatting,  
  499.                       'default' => 'preserve_linebreaks',  
  500.                       'options' => array( 
  501.                           'preserve_linebreaks' => __( 'Preserve line breaks, auto paragraphs (default)', 'google-calendar-events' ),  
  502.                           'no_linebreaks' => __( 'No line breaks, auto paragraphs', 'google-calendar-events' ),  
  503.                           'none' => __( 'No line breaks, no auto paragraphs', 'google-calendar-events' ),  
  504.  ),  
  505.  ) ); 
  506.  
  507.                   ?> 
  508.               </td> 
  509.           </tr> 
  510.           <tr class="simcal-panel-field"> 
  511.               <th><label for="_poweredby"><?php _e( 'Powered By', 'google-calendar-events' ); ?></label></th> 
  512.               <td> 
  513.                   <?php 
  514.  
  515.                   $poweredby = get_post_meta( $post->ID, '_poweredby', true ); 
  516.  
  517.                   simcal_print_field( array( 
  518.                       'type' => 'checkbox',  
  519.                       'name' => '_poweredby',  
  520.                       'id' => '_poweredby',  
  521.                       'value' => 'yes' == $poweredby ? 'yes' : 'no',  
  522.                       'text' => __( 'Yes, Simple Calendar rocks! Show some love with a little link below this calendar.', 'google-calendar-events' ),  
  523.  ) ); 
  524.  
  525.                   ?> 
  526.               </td> 
  527.           </tr> 
  528.           </tbody> 
  529.       </table> 
  530.       <?php 
  531.  
  532.   } 
  533.  
  534.   /** 
  535.    * Print the advanced settings panel. 
  536.    * 
  537.    * @since  3.0.0 
  538.    * @access private 
  539.    * 
  540.    * @param  \WP_Post $post 
  541.    */ 
  542.   private static function advanced_settings_panel( $post ) { 
  543.  
  544.       ?> 
  545.       <table> 
  546.           <thead> 
  547.           <tr><th colspan="2"><?php _e( 'Date and Time', 'google-calendar-events' ); ?></th></tr> 
  548.           </thead> 
  549.           <tbody class="simcal-panel-section simcal-panel-datetime-formatting"> 
  550.           <tr class="simcal-panel-field"> 
  551.               <th><label for="_calendar_timezone_setting"><?php _e( 'Timezone', 'google-calendar-events' ); ?></label></th> 
  552.               <td> 
  553.                   <?php 
  554.  
  555.                   $timezone_wordpress = simcal_get_wp_timezone(); 
  556.                   $timezone_default = $timezone_wordpress ? $timezone_wordpress : 'UTC'; 
  557.                   $timezone_setting = esc_attr( get_post_meta( $post->ID, '_feed_timezone_setting', true ) ); 
  558.                   $timezone = esc_attr( get_post_meta( $post->ID, '_feed_timezone', true ) ); 
  559.                   $timezone = $timezone ? $timezone : $timezone_default; 
  560.                   $show_use_calendar = isset( simcal_get_feed( $post )->type ); 
  561.  
  562.                   if ( $show_use_calendar ) { 
  563.                       $show_use_calendar = ( simcal_get_feed( $post )->type !== 'grouped-calendars' ? 1 : 0 ); 
  564.                   } else { 
  565.                       $show_use_calendar = true; 
  566.                   } 
  567.  
  568.                   ?> 
  569.                   <select name="_feed_timezone_setting" 
  570.                           id="_feed_timezone_setting" 
  571.                           class="simcal-field simcal-field-select simcal-field-inline simcal-field-show-other" 
  572.                           data-show-field-on-choice="true"> 
  573.                       <option value="use_site" <?php selected( 'use_site', $timezone_setting, true ); ?>><?php printf( _x( 'Site default', 'Use this site default setting', 'google-calendar-events' ) . ' (%s)', $timezone_default ); ?></option> 
  574.                       <?php if ( $show_use_calendar ) { ?> 
  575.                           <option id="use_calendar" value="use_calendar" data-show-field="_use_calendar_warning" <?php selected( 'use_calendar', $timezone_setting, true ); ?>><?php _ex( 'Event source default', 'Use the calendar default setting', 'google-calendar-events' ); ?></option> 
  576.                       <?php } ?> 
  577.                       <option value="use_custom" data-show-field="_feed_timezone" <?php selected( 'use_custom', $timezone_setting, true ); ?>><?php _ex( 'Custom', 'Use a custom setting', 'google-calendar-events' ); ?></option> 
  578.                   </select> 
  579.                   <select name="_feed_timezone" 
  580.                           id="_feed_timezone" 
  581.                           class="simcal-field simcal-field-select simcal-field-inline" 
  582.                       <?php echo 'use_custom' != $timezone_setting ? 'style="display: none;"' : ''; ?>> 
  583.                       <?php echo wp_timezone_choice( $timezone ); ?> 
  584.                   </select> 
  585.                   <i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e( 'Using a different timezone may alter the date and time display of your calendar events. We recommended using the site default timezone.', 'google-calendar-events' ); ?>"></i> 
  586.                   <p id="_use_calendar_warning" style="display: none;" class="simcal-field"> 
  587.                       <span class="attention"><?php _e( 'Warning', 'google-calendar-events' ); ?>:</span> 
  588.                       <?php _e( 'Setting this to <code>Event source default</code> can at times cause unexpected results. Please test thoroughly.', 'google-calendar-events' ); ?> 
  589.                       <a href="http://docs.simplecalendar.io/timezone-settings/" target="_blank"><?php _e( 'See details.', 'google-calendar-events' ); ?></a> 
  590.                   </p> 
  591.               </td> 
  592.           </tr> 
  593.           <tr class="simcal-panel-field"> 
  594.               <th><label for="_calendar_date_format_setting"><?php _e( 'Date Format', 'google-calendar-events' ); ?></label></th> 
  595.               <td> 
  596.                   <?php 
  597.  
  598.                   $date_format_setting = esc_attr( get_post_meta( $post->ID, '_calendar_date_format_setting', true ) ); 
  599.                   $date_format_default = esc_attr( get_option( 'date_format' ) ); 
  600.                   $date_format = esc_attr( get_post_meta( $post->ID, '_calendar_date_format', true ) ); 
  601.                   $date_format_php = esc_attr( get_post_meta( $post->ID, '_calendar_date_format_php', true ) ); 
  602.                   $date_format_php = $date_format_php ? $date_format_php : $date_format_default; 
  603.  
  604.                   ?> 
  605.                   <select name="_calendar_date_format_setting" 
  606.                           id="_calendar_date_format_setting" 
  607.                           class="simcal-field simcal-field-select simcal-field-show-other"> 
  608.                       <option value="use_site" data-show-field="_calendar_date_format_default" <?php selected( 'use_site', $date_format_setting, true ); ?>><?php  _ex( 'Site default', 'Use this site default setting', 'google-calendar-events' ); ?></option> 
  609.                       <option value="use_custom" data-show-field="_calendar_date_format" <?php selected( 'use_custom', $date_format_setting, true ); ?>><?php _ex( 'Custom', 'Use a custom setting', 'google-calendar-events' ); ?></option> 
  610.                       <option value="use_custom_php" data-show-field="_calendar_date_format_php_field" <?php selected( 'use_custom_php', $date_format_setting, true ); ?>><?php _e( 'Custom (PHP format)', 'google-calendar-events' ); ?></option> 
  611.                   </select> 
  612.                   <i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e( 'This option sets how calendars display event dates. It is recommended to keep your site default setting.', 'google-calendar-events' ); ?>"></i> 
  613.                   <p id="_calendar_date_format_default" style="<?php echo $date_format_setting != 'use_site' ? 'display: none;' : ''; ?>"> 
  614.                       <em><?php _e( 'Preview', 'google-calendar-events' ) ?>:</em>   
  615.                       <code><?php echo date_i18n( $date_format_default, time() ); ?></code> 
  616.                   </p> 
  617.                   <?php simcal_print_field( array( 
  618.                       'type' => 'datetime-format',  
  619.                       'subtype' => 'date',  
  620.                       'name' => '_calendar_date_format',  
  621.                       'id' => '_calendar_date_format',  
  622.                       'value' => $date_format,  
  623.                       'style' => $date_format_setting != 'use_custom' ? array( 'display' => 'none' ) : '',  
  624.  ) ); ?> 
  625.                   <div class="simcal-field-datetime-format-php" id="_calendar_date_format_php_field" style="<?php echo $date_format_setting != 'use_custom_php' ? 'display: none;' : ''; ?>"> 
  626.                       <br> 
  627.                       <label for="_calendar_date_format_php"> 
  628.                           <input type="text" 
  629.                                  name="_calendar_date_format_php" 
  630.                                  id="_calendar_date_format_php" 
  631.                                  class="simcal-field simcal-field-text simcal-field-small" 
  632.                                  value="<?php echo $date_format_php; ?>" /> 
  633.                           <?php printf( __( 'Enter a date format using %s values.', 'google-calendar-events' ), '<a href="//php.net/manual/en/function.date.php" target="_blank">PHP</a>' ); ?> 
  634.                       </label> 
  635.                       <p> 
  636.                           <em><?php _e( 'Preview', 'google-calendar-events' ) ?>:</em>   
  637.                           <code><?php echo date_i18n( $date_format_php, time() ); ?></code> 
  638.                       </p> 
  639.                   </div> 
  640.               </td> 
  641.           </tr> 
  642.           <tr class="simcal-panel-field"> 
  643.               <th><label for="_calendar_datetime_separator"><?php _e( 'Separator', 'google-calendar-events' ); ?></label></th> 
  644.               <td> 
  645.                   <?php 
  646.  
  647.                   $separator = get_post_meta( $post->ID, '_calendar_datetime_separator', true ); 
  648.                   $separator = false == $separator ? '@' : $separator; 
  649.  
  650.                   simcal_print_field( array( 
  651.                       'type' => 'standard',  
  652.                       'subtype' => 'text',  
  653.                       'name' => '_calendar_datetime_separator',  
  654.                       'id' => '_calendar_datetime_separator',  
  655.                       'value' => $separator,  
  656.                       'tooltip' => __( 'Used to divide date and time when both are shown.', 'google-calendar-events' ),  
  657.                       'class' => array( 
  658.                           'simcal-field-tiny',  
  659.  ),  
  660.  ) ); 
  661.  
  662.                   ?> 
  663.               </td> 
  664.           </tr> 
  665.           <tr class="simcal-panel-field"> 
  666.               <th><label for="_calendar_time_format_setting"><?php _e( 'Time Format', 'google-calendar-events' ); ?></label></th> 
  667.               <td> 
  668.                   <?php 
  669.  
  670.                   $time_format_setting = esc_attr( get_post_meta( $post->ID, '_calendar_time_format_setting', true ) ); 
  671.                   $time_format_default = esc_attr( get_option( 'time_format' ) ); 
  672.                   $time_format = esc_attr( get_post_meta( $post->ID, '_calendar_time_format', true ) ); 
  673.                   $time_format_php = esc_attr( get_post_meta( $post->ID, '_calendar_time_format_php', true ) ); 
  674.                   $time_format_php = $time_format_php ? $time_format_php : $time_format_default; 
  675.  
  676.                   ?> 
  677.                   <select name="_calendar_time_format_setting" 
  678.                           id="_calendar_time_format_setting" 
  679.                           class="simcal-field simcal-field-select simcal-field-show-other"> 
  680.                       <option value="use_site" data-show-field="_calendar_time_format_default" <?php selected( 'use_site', $time_format_setting, true ); ?>><?php _ex( 'Site default', 'Use this site default setting', 'google-calendar-events' ); ?></option> 
  681.                       <option value="use_custom" data-show-field="_calendar_time_format" <?php selected( 'use_custom', $time_format_setting, true ); ?>><?php _ex( 'Custom', 'Use a custom setting', 'google-calendar-events' ); ?></option> 
  682.                       <option value="use_custom_php" data-show-field="_calendar_time_format_php_field" <?php selected( 'use_custom_php', $time_format_setting, true ); ?>><?php _e( 'Custom (PHP format)', 'google-calendar-events' ); ?></option> 
  683.                   </select> 
  684.                   <i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e( 'This option sets how calendars display event times. It is recommended to keep your site default setting.', 'google-calendar-events' ); ?>"></i> 
  685.                   <p id="_calendar_time_format_default" style="<?php echo $time_format_setting != 'use_site' ? 'display: none;' : ''; ?>"> 
  686.                       <em><?php _e( 'Preview', 'google-calendar-events' ) ?>:</em>   
  687.                       <code><?php echo date_i18n( $time_format_default, time() ); ?></code> 
  688.                   </p> 
  689.                   <?php simcal_print_field( array( 
  690.                       'type' => 'datetime-format',  
  691.                       'subtype' => 'time',  
  692.                       'name' => '_calendar_time_format',  
  693.                       'id' => '_calendar_time_format',  
  694.                       'value' => $time_format,  
  695.                       'style' => $time_format_setting != 'use_custom' ? array( 'display' => 'none' ) : '',  
  696.  ) ); ?> 
  697.                   <div class="simcal-field-datetime-format-php" id="_calendar_time_format_php_field" style="<?php echo $time_format_setting != 'use_custom_php' ? 'display: none;' : ''; ?>"> 
  698.                       <br> 
  699.                       <label for="_calendar_date_format_php"> 
  700.                           <input type="text" 
  701.                                  name="_calendar_time_format_php" 
  702.                                  id="_calendar_time_format_php" 
  703.                                  class="simcal-field simcal-field-text simcal-field-small" 
  704.                                  value="<?php echo $time_format_php; ?>"/> 
  705.                           <?php printf( __( 'Enter a time format using %s values.', 'google-calendar-events' ), '<a href="//php.net/manual/en/function.date.php" target="_blank">PHP</a>' ); ?> 
  706.                       </label> 
  707.                       <p> 
  708.                           <em><?php _e( 'Preview', 'google-calendar-events' ) ?>:</em>   
  709.                           <code><?php echo date_i18n( $time_format_php, time() ); ?></code> 
  710.                       </p> 
  711.                   </div> 
  712.               </td> 
  713.           </tr> 
  714.           <tr class="simcal-panel-field"> 
  715.               <th><label for="_calendar_week_starts_on_setting"><?php _e( 'Week Starts On', 'google-calendar-events' ); ?></label></th> 
  716.               <td> 
  717.                   <?php 
  718.  
  719.                   $week_starts_setting = esc_attr( get_post_meta( $post->ID, '_calendar_week_starts_on_setting', true ) ); 
  720.                   $week_starts_default = esc_attr( get_option( 'start_of_week' ) ); 
  721.                   $week_starts = intval( get_post_meta( $post->ID, '_calendar_week_starts_on', true ) ); 
  722.                   $week_starts = is_numeric( $week_starts ) ? strval( $week_starts ) : $week_starts_default; 
  723.  
  724.                   ?> 
  725.                   <select 
  726.                       name="_calendar_week_starts_on_setting" 
  727.                       id="_calendar_week_starts_on_setting" 
  728.                       class="simcal-field simcal-field-select simcal-field-inline simcal-field-show-next" 
  729.                       data-show-next-if-value="use_custom"> 
  730.                       <option value="use_site" <?php selected( 'use_site', $week_starts_setting, true ); ?>><?php printf( _x( 'Site default', 'Use this site default setting', 'google-calendar-events' ) . ' (%s)', date_i18n( 'l', strtotime( "Sunday + $week_starts_default Days" ) ) ); ?></option> 
  731.                       <option value="use_custom" <?php selected( 'use_custom', $week_starts_setting, true ); ?>><?php _ex( 'Custom', 'Use a custom setting', 'google-calendar-events' ); ?></option> 
  732.                   </select> 
  733.                   <select 
  734.                       name="_calendar_week_starts_on" 
  735.                       id="_calendar_week_starts_on" 
  736.                       class="simcal-field simcal-field-select simcal-field-inline" 
  737.                       <?php echo 'use_custom' != $week_starts_setting ? 'style="display: none;"' : ''; ?>> 
  738.                       <?php $day_names = simcal_get_calendar_names_i18n( 'day', 'full' ); ?> 
  739.                       <?php for ( $i = 0; $i <= 6; $i++ ) : ?> 
  740.                           <option value="<?php echo $i; ?>" <?php selected( $i, $week_starts, true ); ?>><?php echo $day_names[ $i ]; ?></option> 
  741.                       <?php endfor; ?> 
  742.                   </select> 
  743.                   <i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e( 'Some calendars may use this setting to display the start of the week. It is recommended to keep the site default setting.', 'google-calendar-events' ); ?>"></i> 
  744.               </td> 
  745.           </tr> 
  746.           </tbody> 
  747.       </table> 
  748.       <table> 
  749.           <thead> 
  750.           <tr><th colspan="2"><?php _e( 'Cache', 'google-calendar-events' ); ?></th></tr> 
  751.           </thead> 
  752.           <tbody class="simcal-panel-section simcal-panel-section-cache"> 
  753.           <?php 
  754.  
  755.           $cache_freq = esc_attr( get_post_meta( $post->ID, '_feed_cache_user_amount', true ) ); 
  756.           $cache_unit = esc_attr( get_post_meta( $post->ID, '_feed_cache_user_unit', true ) ); 
  757.  
  758.           $cache_freq = intval( $cache_freq ) && $cache_freq >= 0 ? $cache_freq : 2; 
  759.           $cache_unit = $cache_unit ? $cache_unit : '3600'; 
  760.  
  761.           ?> 
  762.           <tr class="simcal-panel-field"> 
  763.               <th><label for="_feed_cache_user_amount"><?php _ex( 'Refresh Interval', 'Cache maximum interval', 'google-calendar-events' ); ?></label></th> 
  764.               <td> 
  765.                   <input type="number" 
  766.                          name="_feed_cache_user_amount" 
  767.                          id="_feed_cache_user_amount" 
  768.                          class="simcal-field simcal-field-number simcal-field-tiny simcal-field-inline" 
  769.                          value="<?php echo $cache_freq; ?>" 
  770.                          min="0" /> 
  771.                   <select name="_feed_cache_user_unit" 
  772.                           id="_feed_cache_user_unit" 
  773.                           class="simcal-field simcalfield-select simcal-field-inline"> 
  774.                       <option value="60" <?php selected( '60', $cache_unit, true ); ?>><?php _e( 'Minute(s)', 'google-calendar-events' ); ?></option> 
  775.                       <option value="3600" <?php selected( '3600', $cache_unit, true ); ?>><?php _e( 'Hour(s)', 'google-calendar-events' ); ?></option> 
  776.                       <option value="86400" <?php selected( '86400', $cache_unit, true ); ?>><?php _e( 'Day(s)', 'google-calendar-events' ); ?></option> 
  777.                       <option value="604800" <?php selected( '604800', $cache_unit, true ); ?>><?php _e( 'Week(s)', 'google-calendar-events' ); ?></option> 
  778.                   </select> 
  779.                   <i class="simcal-icon-help simcal-help-tip" data-tip="<?php _e( 'If you add, edit or remove events in your calendar very often, you can set a lower interval to refresh the events displayed. Set a higher interval for best performance.', 'google-calendar-events' ); ?>"></i> 
  780.               </td> 
  781.           </tr> 
  782.           </tbody> 
  783.       </table> 
  784.       <?php 
  785.  
  786.   } 
  787.  
  788.   /** 
  789.    * Print fields in a panel. 
  790.    * 
  791.    * @since  3.0.0 
  792.    * 
  793.    * @param  array $array 
  794.    * @param  int   $post_id 
  795.    * 
  796.    * @return void 
  797.    */ 
  798.   public static function print_panel_fields( $array, $post_id ) { 
  799.  
  800.       foreach ( $array as $section => $fields ) : 
  801.  
  802.           if ( $fields && is_array( $fields ) ) : 
  803.  
  804.               ?> 
  805.               <tbody class="simcal-panel-section simcal-panel-section-<?php echo esc_attr( $section ); ?>"> 
  806.               <?php foreach ( $fields as $key => $field ) : 
  807.  
  808.                   $value = get_post_meta( $post_id, $key, true ); 
  809.                   $field['value'] = $value ? $value : ( isset( $field['default'] ) ? $field['default'] : '' ); 
  810.                   $the_field = simcal_get_field( $field ); ?> 
  811.  
  812.                   <?php if ( $the_field instanceof Field ) : ?> 
  813.                   <tr class="simcal-panel-field"> 
  814.                       <th><label for="<?php echo $the_field->id ?>"><?php echo $the_field->title; ?></label></th> 
  815.                       <td><?php $the_field->html(); ?></td> 
  816.                   </tr> 
  817.               <?php endif; ?> 
  818.  
  819.               <?php endforeach; ?> 
  820.               </tbody> 
  821.               <?php 
  822.  
  823.           endif; 
  824.  
  825.       endforeach; 
  826.  
  827.   } 
  828.  
  829.   /** 
  830.    * Validate and save the meta box fields. 
  831.    * 
  832.    * @since  3.0.0 
  833.    * 
  834.    * @param  int      $post_id 
  835.    * @param  \WP_Post $post 
  836.    * 
  837.    * @return void 
  838.    */ 
  839.   public static function save( $post_id, $post ) { 
  840.  
  841.       /** ====================== * 
  842.        * Calendar type and view * 
  843.        * ====================== */ 
  844.  
  845.       // Unlink existing terms for feed type and calendar type. 
  846.       wp_delete_object_term_relationships( $post_id, array( 
  847.           'calendar_feed',  
  848.           'calendar_type',  
  849.  ) ); 
  850.  
  851.       // Set the feed type as term. 
  852.       $feed_type = isset( $_POST['_feed_type'] ) ? sanitize_title( stripslashes( $_POST['_feed_type'] ) ) : apply_filters( 'simcal_default_feed_type', 'google' ); 
  853.       wp_set_object_terms( $post_id, $feed_type, 'calendar_feed' ); 
  854.  
  855.       // Set the calendar type as a term. 
  856.       $calendar_type = isset( $_POST['_calendar_type'] ) ? sanitize_title( stripslashes( $_POST['_calendar_type'] ) ) : apply_filters( 'simcal_default_calendar_type', 'default-calendar' ); 
  857.       wp_set_object_terms( $post_id, $calendar_type, 'calendar_type' ); 
  858.       // Set the calendar type view as post meta. 
  859.       $calendar_view = isset( $_POST['_calendar_view'] ) ? $_POST['_calendar_view'] : ''; 
  860.       if ( $calendar_view && is_array( $calendar_view ) ) { 
  861.           $views = array_map( 'sanitize_title', $calendar_view ); 
  862.           update_post_meta( $post_id, '_calendar_view', $views ); 
  863.       } 
  864.  
  865.       /** ===================== * 
  866.        * Events settings panel * 
  867.        * ===================== */ 
  868.  
  869.       // Calendar opening. 
  870.       $calendar_begins = isset( $_POST['_calendar_begins'] ) ? sanitize_key( $_POST['_calendar_begins'] ) : 'this_month'; 
  871.       update_post_meta( $post_id, '_calendar_begins', $calendar_begins ); 
  872.       $calendar_begins_nth = isset( $_POST['_calendar_begins_nth'] ) ? absint( $_POST['_calendar_begins_nth'] ) : 2; 
  873.       update_post_meta( $post_id, '_calendar_begins_nth', $calendar_begins_nth ); 
  874.       $calendar_begins_custom_date = isset( $_POST['_calendar_begins_custom_date'] ) ? sanitize_title( $_POST['_calendar_begins_custom_date'] ) : ''; 
  875.       update_post_meta( $post_id, '_calendar_begins_custom_date', $calendar_begins_custom_date ); 
  876.  
  877.       // Feed earliest events date. 
  878.       $earliest_events = isset( $_POST['_feed_earliest_event_date'] ) ? sanitize_key( $_POST['_feed_earliest_event_date'] ) : ''; 
  879.       update_post_meta( $post_id, '_feed_earliest_event_date', $earliest_events ); 
  880.       $earliest_events_range = isset( $_POST['_feed_earliest_event_date_range'] ) ? max( absint( $_POST['_feed_earliest_event_date_range'] ), 1 ) : 1; 
  881.       update_post_meta( $post_id, '_feed_earliest_event_date_range', $earliest_events_range ); 
  882.  
  883.       // Feed latest events date. 
  884.       $latest_events = isset( $_POST['_feed_latest_event_date'] ) ? sanitize_key( $_POST['_feed_latest_event_date'] ) : ''; 
  885.       update_post_meta( $post_id, '_feed_latest_event_date', $latest_events ); 
  886.       $latest_events_range = isset( $_POST['_feed_latest_event_date_range'] ) ? max( absint( $_POST['_feed_latest_event_date_range'] ), 1 ) : 1; 
  887.       update_post_meta( $post_id, '_feed_latest_event_date_range', $latest_events_range ); 
  888.  
  889.       /** ======================= * 
  890.        * Calendar settings panel * 
  891.        * ======================= */ 
  892.  
  893.       // Static calendar. 
  894.       $static = isset( $_POST['_calendar_is_static'] ) ? 'yes' : 'no'; 
  895.       update_post_meta( $post_id, '_calendar_is_static', $static ); 
  896.  
  897.       // No events message. 
  898.       $message = isset( $_POST['_no_events_message'] ) ? wp_kses_post( $_POST['_no_events_message'] ) : ''; 
  899.       update_post_meta( $post_id, '_no_events_message', $message ); 
  900.  
  901.       // _event_formatting 
  902.       $event_formatting = isset( $_POST['_event_formatting'] ) ? sanitize_key( $_POST['_event_formatting'] ) : 'preserve_linebreaks'; 
  903.       update_post_meta( $post_id, '_event_formatting', $event_formatting ); 
  904.  
  905.       // Powered by option 
  906.       $poweredby = isset( $_POST['_poweredby'] ) ? 'yes' : 'no'; 
  907.       update_post_meta( $post_id, '_poweredby', $poweredby ); 
  908.  
  909.       /** ======================= * 
  910.        * Advanced settings panel * 
  911.        * ======================= */ 
  912.  
  913.       // Timezone. 
  914.       $feed_timezone_setting = isset( $_POST['_feed_timezone_setting'] ) ? sanitize_key( $_POST['_feed_timezone_setting'] ) : 'use_calendar'; 
  915.       update_post_meta( $post_id, '_feed_timezone_setting', $feed_timezone_setting ); 
  916.       $default_timezone = simcal_get_wp_timezone(); 
  917.       $feed_timezone = $default_timezone ? $default_timezone : 'UTC'; 
  918.       $feed_timezone = isset( $_POST['_feed_timezone'] ) ? sanitize_text_field( $_POST['_feed_timezone'] ) : $feed_timezone; 
  919.       update_post_meta( $post_id, '_feed_timezone', $feed_timezone ); 
  920.  
  921.       // Date format. 
  922.       $date_format_setting = isset( $_POST['_calendar_date_format_setting'] ) ? sanitize_key( $_POST['_calendar_date_format_setting'] ) : 'use_site'; 
  923.       update_post_meta( $post_id, '_calendar_date_format_setting', $date_format_setting ); 
  924.       $date_format = isset( $_POST['_calendar_date_format'] ) ? sanitize_text_field( trim( $_POST['_calendar_date_format'] ) ) : get_option( 'date_format' ); 
  925.       update_post_meta( $post_id, '_calendar_date_format', $date_format ); 
  926.       $date_format_php = isset( $_POST['_calendar_date_format_php'] ) ? sanitize_text_field( trim( $_POST['_calendar_date_format_php'] ) ) : get_option( 'date_format' ); 
  927.       update_post_meta( $post_id, '_calendar_date_format_php', $date_format_php ); 
  928.  
  929.       // Time format. 
  930.       $time_format_setting = isset( $_POST['_calendar_time_format_setting'] ) ? sanitize_key( $_POST['_calendar_time_format_setting'] ) : 'use_site'; 
  931.       update_post_meta( $post_id, '_calendar_time_format_setting', $time_format_setting ); 
  932.       $time_format = isset( $_POST['_calendar_time_format'] ) ? sanitize_text_field( trim( $_POST['_calendar_time_format'] ) ) : get_option( 'time_format' ); 
  933.       update_post_meta( $post_id, '_calendar_time_format', $time_format ); 
  934.       $time_format_php = isset( $_POST['_calendar_time_format_php'] ) ? sanitize_text_field( trim( $_POST['_calendar_time_format_php'] ) ) : get_option( 'time_format' ); 
  935.       update_post_meta( $post_id, '_calendar_time_format_php', $time_format_php ); 
  936.  
  937.       // Date-time separator. 
  938.       $datetime_separator = isset( $_POST['_calendar_datetime_separator'] ) ? sanitize_text_field( $_POST['_calendar_datetime_separator'] ) : ' '; 
  939.       update_post_meta( $post_id, '_calendar_datetime_separator', $datetime_separator ); 
  940.  
  941.       // Week start. 
  942.       $week_start_setting = isset( $_POST['_calendar_week_starts_on_setting'] ) ? sanitize_key( $_POST['_calendar_week_starts_on_setting'] ) : 'use_site'; 
  943.       update_post_meta( $post_id, '_calendar_week_starts_on_setting', $week_start_setting ); 
  944.       $week_start = isset( $_POST['_calendar_week_starts_on'] ) ? intval( $_POST['_calendar_week_starts_on'] ) : get_option( 'start_of_week' ); 
  945.       update_post_meta( $post_id, '_calendar_week_starts_on', $week_start ); 
  946.  
  947.       // Cache interval. 
  948.       $cache = 7200; 
  949.       if ( isset( $_POST['_feed_cache_user_amount'] ) && isset( $_POST['_feed_cache_user_unit'] ) ) { 
  950.           $amount = is_numeric( $_POST['_feed_cache_user_amount'] ) || $_POST['_feed_cache_user_amount'] == 0 ? absint( $_POST['_feed_cache_user_amount'] ) : 1; 
  951.           $unit = is_numeric( $_POST['_feed_cache_user_unit'] ) ? absint( $_POST['_feed_cache_user_unit'] ) : 3600; 
  952.           update_post_meta( $post_id, '_feed_cache_user_amount', $amount ); 
  953.           update_post_meta( $post_id, '_feed_cache_user_unit', $unit ); 
  954.           $cache = ( ( $amount * $unit ) > 0 ) ? $amount * $unit : 1; 
  955.       } 
  956.       update_post_meta( $post_id, '_feed_cache', $cache ); 
  957.  
  958.       /** ============= * 
  959.        * Miscellaneous * 
  960.        * ============= */ 
  961.  
  962.       // Update version. 
  963.       update_post_meta( $post_id, '_calendar_version', SIMPLE_CALENDAR_VERSION ); 
  964.  
  965.       // Action hook. 
  966.       do_action( 'simcal_process_settings_meta', $post_id ); 
  967.  
  968.       // Clear cache. 
  969.       simcal_delete_feed_transients( $post_id ); 
  970.   } 
  971.  
  972. } 
.