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<?php
if(!defined('WP_ADMIN')) {
exit;
}
require_once(EL_PATH.'includes/options.php');
require_once(EL_PATH.'includes/event.php');
/**
* This class handles all data for the admin new event page
*/
class EL_Admin_New {
private static $instance;
private $options;
private $is_new;
private $copy_event = null;
public static function &get_instance() {
// Create class instance if required
if(!isset(self::$instance)) {
self::$instance = new self();
}
// Return class instance
return self::$instance;
}
private function __construct() {
// check used get parameters
$action = isset($_GET['action']) ? sanitize_key($_GET['action']) : '';
$copy = isset($_GET['copy']) ? intval($_GET['copy']) : 0;
if(!empty($copy)) {
$this->copy_event = new EL_Event($copy);
add_filter('get_object_terms', array(&$this, 'set_copied_categories'));
}
$this->options = &EL_Options::get_instance();
$this->is_new = 'edit' !== $action;
add_action('add_meta_boxes', array(&$this, 'add_eventdata_metabox'));
add_action('edit_form_top', array(&$this, 'form_top_content'));
add_action('edit_form_after_title', array(&$this, 'form_after_title_content'));
add_action('admin_print_scripts', array(&$this, 'embed_scripts'));
add_action('save_post_el_events', array(&$this, 'save_eventdata'), 10, 3);
add_filter('enter_title_here', array(&$this, 'change_default_title'));
add_filter('post_updated_messages', array(&$this, 'updated_messages'));
}
public function add_eventdata_metabox($post_type) {
add_meta_box(
'el_event_edit_meta',
__('Event data','event-list'),
array(&$this, 'render_eventdata_metabox'),
$post_type,
'primary',
'high'
);
}
public function render_eventdata_metabox() {
global $post;
if($this->is_new && empty($this->copy_event)) {
// set next day as date
$startdate = current_time('timestamp')+86400; // next day (86400 seconds = 1*24*60*60 = 1 day);
$enddate = $startdate;
$starttime = '';
$location = '';
}
else {
// set existing eventdata
$event = $this->is_new ? $this->copy_event : new EL_Event($post);
$startdate = strtotime($event->startdate);
$enddate = strtotime($event->enddate);
$starttime = esc_html($event->starttime);
$location = esc_html($event->location);
}
// Add required data for javascript in a hidden field
$json = json_encode(array('el_date_format' => $this->datepicker_format($this->get_event_dateformat()),
'el_start_of_week' => get_option('start_of_week'),
'el_copy_url' => $this->is_new ? '' : admin_url(add_query_arg(array('copy'=>$post->ID), 'post-new.php?post_type=el_events')),
'el_copy_text' => $this->is_new ? '' : __('Add Copy','event-list')));
// HTML output (single quotes required for json value due to json layout)
echo '
<input type="hidden" id="json_for_js" value=\''.$json.'\' />
<label class="event-option">'.__('Date','event-list').' ('.__('required','event-list').'):</label>
<div class="event-data"><span class="date-wrapper"><input type="text" class="text form-required" name="startdate" id="startdate" value="'.date('Y-m-d', $startdate).'" /><i class="dashicons dashicons-calendar-alt"></i></span>
<span id="enddate-area"> - <span class="date-wrapper"><input type="text" class="text" name="enddate" id="enddate" value="'.date('Y-m-d', $enddate).'" /><i class="dashicons dashicons-calendar-alt"></i></span></span>
<label class="el-inline-checkbox"><input type="checkbox" name="multiday" id="multiday" value="1" /> '.__('Multi-Day Event','event-list').'</label>
<input type="hidden" id="startdate-iso" name="startdate-iso" value="" />
<input type="hidden" id="enddate-iso" name="enddate-iso" value="" />
</div>
<label class="event-option">'.__('Time','event-list').':</label>
<div class="event-data"><input type="text" class="text" name="starttime" id="starttime" value="'.$starttime.'" /></div>
<label class="event-option">'.__('Location','event-list').':</label>
<div class="event-data"><input type="text" class="text" name="location" id="location" value="'.$location.'" /></div>';
}
public function form_top_content() {
// set post values if an event gets copied
if(!empty($this->copy_event)) {
global $post;
$post->post_title = $this->copy_event->title;
$post->post_content = $this->copy_event->content;
}
// show label for event title
echo '
<label class="event-option">'.__('Event Title','event-list').':</label>';
}
public function form_after_title_content() {
global $post, $wp_meta_boxes;
// create "primary" metabox container, show all "primary" metaboxes in that container and unset the "primary" metaboxes afterwards
echo '
<div id="postbox-container-0" class="postbox-container">';
do_meta_boxes(get_current_screen(), 'primary', $post);
unset($wp_meta_boxes[get_post_type('post')]['primary']);
echo '
</div>';
// show label for event content
echo '
<label class="event-option">'.__('Event Content','event-list').':</label>';
}
public function embed_scripts() {
wp_enqueue_script('jquery-ui-datepicker');
wp_enqueue_script('eventlist_admin_new_js', EL_URL.'admin/js/admin_new.js');
// TODO: wp_localize_jquery_ui_datepicker is available since wordpress version 4.6.0.
// For compatibility to older versions the function_exists test was added, this test can be removed again in a later version.
if(function_exists('wp_localize_jquery_ui_datepicker')) {
wp_localize_jquery_ui_datepicker();
}
wp_enqueue_style('eventlist_admin_new', EL_URL.'admin/css/admin_new.css');
// add the jquery-ui style "smooth" (see https://jqueryui.com/download/) (required for the xwp datepicker skin)
wp_enqueue_style('eventlist_jqueryui', EL_URL.'admin/css/jquery-ui.min.css');
// add the xwp datepicker skin (see https://github.com/xwp/wp-jquery-ui-datepicker-skins)
wp_enqueue_style('eventlist_datepicker', EL_URL.'admin/css/jquery-ui-datepicker.css');
}
public function save_eventdata($pid, $post, $update) {
// don't do on autosave or when new posts are first created
if((defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) || 'auto-draft' === $post->post_status) {
return $pid;
}
$eventdata = $_POST;
// provide iso start- and end-date
if(!empty($eventdata['startdate-iso'])) {
$eventdata['startdate'] = $eventdata['startdate-iso'];
}
if(!empty($eventdata['enddate-iso'])) {
$eventdata['enddate'] = $eventdata['enddate-iso'];
}
// set end_date to start_date if multiday is not selected
if(empty($eventdata['multiday'])) {
$eventdata['enddate'] = $eventdata['startdate'];
}
return (bool)EL_Event::save_postmeta($pid, $eventdata);
}
private function get_event_dateformat() {
if('' == $this->options->get('el_edit_dateformat')) {
return __('Y/m/d');
}
else {
return $this->options->get('el_edit_dateformat');
}
}
public function change_default_title($title) {
// Delete default title in text field (not required due to additional lable above the title field)
return '';
}
public function updated_messages($messages) {
// check used get parameters
$revision = isset($_GET['revision']) ? intval($_GET['revision']) : null;
global $post, $post_ID;
$messages['el_events'] = array(
0 => '', // Unused. Messages start at index 1.
1 => __('Event updated.','event-list').' <a href="'.esc_url(get_permalink($post_ID)).'">'.__('View event','event-list').'</a>',
2 => '', // Custom field updated is not required (no custom fields)
3 => '', // Custom field deleted is not required (no custom fields)
4 => __('Event updated.','event-list'),
5 => is_null($revision) ? false : sprintf(__('Event restored to revision from %1$s','event-list'), wp_post_revision_title($revision, false)),
6 => __('Event published.','event-list').' <a href="'.esc_url(get_permalink($post_ID)).'">'.__('View event','event-list').'</a>',
7 => __('Event saved.'),
8 => __('Event submitted.','event-list').' <a target="_blank" href="'.esc_url(add_query_arg('preview', 'true', get_permalink($post_ID))).'">'.__('Preview event','event-list').'</a>',
9 => sprintf(__('Event scheduled for: %1$s>','event-list'), '<strong>'.date_i18n(__('M j, Y @ G:i'), strtotime($post->post_date)).'</strong>').
' <a target="_blank" href="'.esc_url(get_permalink($post_ID)).'">'.__('Preview event','event-list').'</a>',
10 => __('Event draft updated.','event-list').' <a target="_blank" href="'.esc_url(add_query_arg('preview', 'true', get_permalink($post_ID))).'">'.__('Preview event','event-list').'</a>',
);
return $messages;
}
public function set_copied_categories($categories) {
if(empty($categories)) {
$categories = array_merge($categories, $this->copy_event->get_category_ids());
}
return $categories;
}
/**
* Convert a date format to a jQuery UI DatePicker format
*
* @param string $format a date format
* @return string
*/
private function datepicker_format($format) {
return str_replace(
array(
'd', 'j', 'l', 'z', // Day.
'F', 'M', 'n', 'm', // Month.
'Y', 'y' // Year.
),
array(
'dd', 'd', 'DD', 'o',
'MM', 'M', 'm', 'mm',
'yy', 'y'
),
$format);
}
}
?>