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<?php
if(!defined('WP_ADMIN')) {
exit;
}
require_once(EL_PATH.'includes/options.php');
require_once(EL_PATH.'includes/events_post_type.php');
require_once(EL_PATH.'includes/filterbar.php');
require_once(EL_PATH.'includes/daterange.php');
require_once(EL_PATH.'includes/event.php');
/**
* This class handles all data for the admin main page
*/
class EL_Admin_Main {
private static $instance;
private $options;
private $events_post_type;
private $filterbar;
public static function &get_instance() {
// Create class instance if required
if(!isset(self::$instance)) {
self::$instance = new self();
}
// Return class instance
return self::$instance;
}
private function __construct() {
$this->options = &EL_Options::get_instance();
$this->events_post_type = &EL_Events_Post_Type::get_instance();
$this->filterbar = &EL_Filterbar::get_instance();
add_action('manage_posts_custom_column', array(&$this, 'events_custom_columns'), 10, 2);
add_filter('manage_edit-el_events_columns', array(&$this, 'events_edit_columns'));
add_filter('manage_edit-el_events_sortable_columns', array(&$this, 'events_sortable_columns'));
add_filter('request', array(&$this, 'sort_events'));
add_filter('post_row_actions',array(&$this, 'add_action_row_elements'), 10, 2);
add_filter('disable_months_dropdown', '__return_true');
add_filter('disable_categories_dropdown', '__return_true');
add_action('restrict_manage_posts', array(&$this, 'add_table_filters'));
add_filter('parse_query', array(&$this, 'filter_request'));
add_filter('posts_results', array(&$this, 'check_events_results'));
add_action('load-edit.php', array(&$this, 'set_default_posts_list_mode'));
add_action('admin_print_scripts', array(&$this, 'embed_scripts'));
add_action('admin_head', array(&$this, 'add_import_button'));
}
/** ************************************************************************
* This method dictates the table's columns and titles. This should returns
* an array where the key is the column slug (and class) and the value is
* the column's title text.
*
* @see WP_List_Table::::single_row_columns()
* @return array An associative array containing column information: 'slugs'=>'Visible Titles'
***************************************************************************/
public function events_edit_columns($columns) {
return array(
'cb' => '<input type="checkbox" />', //Render a checkbox instead of text
'eventdate' => __('Event Date','event-list'),
'title' => __('Title','event-list'),
'location' => __('Location','event-list'),
'taxonomy-'.$this->events_post_type->taxonomy => __('Categories'),
'author' => __('Author','event-list'),
'date' => __('Date')
);
}
public function events_custom_columns($column_name, $pid) {
switch($column_name) {
case 'eventdate':
$event = new EL_Event($pid);
echo $this->format_event_date($event->startdate, $event->enddate, $event->starttime_i18n());
break;
case 'location':
$event = new EL_Event($pid);
echo $event->location;
break;
}
}
public function events_sortable_columns($columns) {
$columns['eventdate'] = 'eventdate';
$columns['location'] = 'location';
$columns['author'] = 'author';
return $columns;
}
public function sort_events($args) {
// Set default order to 'eventdate' of no other sorting is set
if(!isset($args['orderby'])) {
$args['orderby'] = 'eventdate';
$args['order'] = 'asc';
}
$add_args=array();
switch($args['orderby']) {
case 'eventdate':
$add_args = array(
'meta_key' => 'startdate',
'meta_query' => array(
'relation' => 'AND',
'startdate' => array('key' => 'startdate'),
'starttime' => array('key' => 'starttime'),
'enddate' => array('key' => 'enddate')
),
'orderby' => array(
'startdate' => $args['order'],
'starttime' => $args['order'],
'enddate' => $args['order']
)
);
break;
case 'location':
$add_args = array(
'meta_key' => 'location'
);
break;
}
if(!empty($add_args)) {
$args = array_merge($args, $add_args);
}
return $args;
}
public function add_action_row_elements($actions, $post) {
$actions['copy'] = '<a href="'.admin_url(add_query_arg('copy', $post->ID, 'post-new.php?post_type=el_events')).'" aria-label="'.sprintf(__('Add a copy of %1$s','event-list'), '„'.$post->post_title.'“').'">'.__('Copy','event-list').'</a>';
return $actions;
}
public function add_table_filters() {
global $cat;
// check used get parameters
// set default date ("upcoming" for All, Published; "all" for everything else)
$selected_status = isset($_GET['post_status']) ? sanitize_key($_GET['post_status']) : 'publish';
$default_date = 'publish' === $selected_status ? 'upcoming' : 'all';
$args['selected_date'] = isset($_GET['date']) ? sanitize_key($_GET['date']) : $default_date;
// date filter
echo($this->filterbar->show_years(admin_url('edit.php?post_type=el_events'), $args, 'dropdown', array('show_past' => true)));
// cat filter
$cat_args = array(
'show_option_all' => __('All Categories'),
'taxonomy' => $this->events_post_type->taxonomy,
'orderby' => 'name',
'hierarchical' => true,
);
// additional parameters required if a seperate taxonomy is used
if(!$this->events_post_type->use_post_categories) {
// check used get parameters
$selected_cat = isset($_GET['cat']) ? sanitize_key($_GET['cat']) : '';
$cat_args['value_field'] = 'slug';
$cat_args['selected'] = $selected_cat;
}
wp_dropdown_categories($cat_args);
}
public function filter_request($query) {
// check used get parameters
$selected_date = isset($_GET['date']) ? sanitize_key($_GET['date']) : 'upcoming';
$meta_query = array('relation' => 'AND');
// date filter
$date_for_startrange = ('' == $this->options->get('el_multiday_filterrange')) ? 'startdate' : 'enddate';
$date_range = EL_Daterange::get_instance()->check_daterange_format($selected_date);
if(empty($date_range)) {
$date_range = EL_Daterange::get_instance()->check_date_format($selected_date);
}
$meta_query[] = array(
'relation' => 'AND',
array(
'key' => $date_for_startrange,
'value' => $date_range[0],
'compare' => '>=',
),
array(
'key' => 'startdate',
'value' => $date_range[1],
'compare' => '<',
)
);
$query->query_vars['meta_query'] = $meta_query;
// adaptions for taxonomy filter if a seperate taxonomy is used (no adaptions required if post categories are used)
if(!$this->events_post_type->use_post_categories) {
// check used get parameters
$selected_cat = isset($_GET['cat']) ? sanitize_key($_GET['cat']) : '';
$query->query_vars['cat'] = false;
$query->query_vars[$this->events_post_type->taxonomy] = $selected_cat;
}
}
/* Reload the page to show all events when:
* - published events are selected
* - no specific date is selected
* - no upcoming events are available
*/
public function check_events_results($events) {
$selected_status = isset($_GET['post_status']) ? sanitize_key($_GET['post_status']) : 'publish';
$date_selected = isset($_GET['date']);
if('publish' === $selected_status && !$date_selected && !count($events)) {
wp_safe_redirect(add_query_arg('date', 'all'));
exit;
}
return $events;
}
public function set_default_posts_list_mode() {
// check used get parameters
$post_type = isset($_GET['post_type']) ? sanitize_key($_GET['post_type']) : '';
$mode = isset($_REQUEST['mode']) ? sanitize_title($_REQUEST['mode']) : '';
if('el_events' === $post_type && empty($_REQUEST['mode'])) {
$_REQUEST['mode'] = 'excerpt';
}
}
public function embed_scripts() {
wp_enqueue_style('eventlist_admin_main', EL_URL.'admin/css/admin_main.css');
}
public function add_import_button() {
echo '
<script>jQuery(document).ready(function($) { items = $("a.page-title-action").length ? $("a.page-title-action") : $("a.add-new-h2"); '.
'items.first().after(\'<a href="'.admin_url('edit.php?post_type=el_events&page=el_admin_import').'" class="add-new-h2">'.__('Import','event-list').'</a>\'); });</script>';
}
/** ************************************************************************
* In this function the start date, the end date and time is formated for
* the output.
*
* @param string $startdate The start date of the event
* @param string $enddate The end date of the event
* @param string $starttime The start time of the event
***************************************************************************/
private function format_event_date($startdate, $enddate, $starttime) {
$out = '<span style="white-space:nowrap;">';
// start date
$out .= mysql2date(__('Y/m/d'), $startdate);
// end date for multiday event
if($startdate !== $enddate) {
$out .= ' -<br />'.mysql2date(__('Y/m/d'), $enddate);
}
// event starttime
if('' !== $starttime) {
$out .= '<br />
<span class="starttime">'.esc_html($starttime).'</span>';
}
$out .= '</span>';
return $out;
}
}
?>