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This is a copy of the original EE upcoming events widget that includes a field to allow you to select the order of the events.
<?php
/*
Plugin Name: Custom EE Upcoming Events Widget
Description: Add a custom Upcoming Events widger with a 'sort' field to allow you to sort ASC or DESC.
Author: Tony Warwick
Version: 1.0
*/
/* Begin Adding Functions Below This Line; Do not include an opening PHP tag as this sample code already includes one! */
class Custom_Upcoming_Events extends WP_Widget {
/**
* Register widget with WordPress.
*/
function __construct() {
parent::__construct(
'ee-custom-upcoming-events-widget',
__( 'Custom Event Espresso Upcoming Events', 'event_espresso' ),
array( 'description' => __( 'A custom widget to display your upcoming events.', 'event_espresso' )),
array(
'width' => 300,
'height' => 350,
'id_base' => 'ee-custom-upcoming-events-widget'
)
);
}
/**
* Back-end widget form.
*
* @see WP_Widget::form()
* @param array $instance Previously saved values from database.
* @return string|void
*/
public function form( $instance ) {
EE_Registry::instance()->load_helper( 'Form_Fields' );
EE_Registry::instance()->load_class( 'Question_Option', array(), FALSE, FALSE, TRUE );
// Set up some default widget settings.
$defaults = array(
'title' => __('Upcoming Events', 'event_espresso'),
'category_name' => '',
'show_expired' => FALSE,
'show_desc' => TRUE,
'show_dates' => TRUE,
'show_everywhere' => FALSE,
'date_limit' => 2,
'limit' => 10,
'sort' => 'ASC',
'date_range' => FALSE,
'image_size' => 'medium'
);
$instance = wp_parse_args( (array) $instance, $defaults );
// don't add HTML labels for EE_Form_Fields generated inputs
add_filter( 'FHEE__EEH_Form_Fields__label_html', '__return_empty_string' );
$yes_no_values = array(
EE_Question_Option::new_instance( array( 'QSO_value' => FALSE, 'QSO_desc' => __('No', 'event_espresso'))),
EE_Question_Option::new_instance( array( 'QSO_value' => TRUE, 'QSO_desc' => __('Yes', 'event_espresso')))
);
$sort_values = array(
EE_Question_Option::new_instance( array( 'QSO_value' => 'ASC', 'QSO_desc' => __('ASC', 'event_espresso'))),
EE_Question_Option::new_instance( array( 'QSO_value' => 'DESC', 'QSO_desc' => __('DESC', 'event_espresso')))
);
?>
<!-- Widget Title: Text Input -->
<p>
<label for="<?php echo $this->get_field_id('title'); ?>">
<?php _e('Title:', 'event_espresso'); ?>
</label>
<input id="<?php echo $this->get_field_id('title'); ?>" class="widefat" name="<?php echo $this->get_field_name('title'); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" type="text" />
</p>
<p>
<label for="<?php echo $this->get_field_id('category_name'); ?>">
<?php _e('Event Category:', 'event_espresso'); ?>
</label>
<?php
$event_categories = array();
/** @type EEM_Term $EEM_Term */
$EEM_Term = EE_Registry::instance()->load_model( 'Term' );
$categories = $EEM_Term->get_all_ee_categories( TRUE );
if ( $categories ) {
foreach ( $categories as $category ) {
if ( $category instanceof EE_Term ) {
$event_categories[] = EE_Question_Option::new_instance( array( 'QSO_value' => $category->get( 'slug' ), 'QSO_desc' => $category->get( 'name' )));
}
}
}
array_unshift( $event_categories, EE_Question_Option::new_instance( array( 'QSO_value' => '', 'QSO_desc' => __(' - display all - ', 'event_espresso'))));
echo EEH_Form_Fields::select(
__('Event Category:', 'event_espresso'),
$instance['category_name'],
$event_categories,
$this->get_field_name('category_name'),
$this->get_field_id('category_name')
);
?>
</p>
<p>
<label for="<?php echo $this->get_field_id('limit'); ?>">
<?php _e('Number of Events to Display:', 'event_espresso'); ?>
</label>
<input id="<?php echo $this->get_field_id('limit'); ?>" name="<?php echo $this->get_field_name('limit'); ?>" value="<?php echo $instance['limit']; ?>" size="3" type="text" />
</p>
<p>
<label for="<?php echo $this->get_field_id('show_expired'); ?>">
<?php _e('Show Expired Events:', 'event_espresso'); ?>
</label>
<?php
echo EEH_Form_Fields::select(
__('Show Expired Events:', 'event_espresso'),
$instance['show_expired'],
$yes_no_values,
$this->get_field_name('show_expired'),
$this->get_field_id('show_expired')
);
?>
</p>
<p>
<label for="<?php echo $this->get_field_id('sort'); ?>">
<?php _e('Sort Events:', 'event_espresso'); ?>
</label>
<?php
echo EEH_Form_Fields::select(
__('Sort Events:', 'event_espresso'),
$instance['sort'],
$sort_values,
$this->get_field_name('sort'),
$this->get_field_id('sort')
);
?>
</p>
<p>
<label for="<?php echo $this->get_field_id('image_size'); ?>">
<?php _e('Image Size:', 'event_espresso'); ?>
</label>
<?php
$image_sizes = array();
$sizes = get_intermediate_image_sizes();
if ( $sizes ) {
// loop thru images and create option objects out of them
foreach ( $sizes as $image_size ) {
$image_size = trim( $image_size );
// no big images plz
if ( ! in_array( $image_size, array( 'large', 'post-thumbnail' ))) {
$image_sizes[] = EE_Question_Option::new_instance( array( 'QSO_value' => $image_size, 'QSO_desc' => $image_size ));
}
}
$image_sizes[] = EE_Question_Option::new_instance( array( 'QSO_value' => 'none', 'QSO_desc' => __('don\'t show images', 'event_espresso') ));
}
echo EEH_Form_Fields::select(
__('Image Size:', 'event_espresso'),
$instance['image_size'],
$image_sizes,
$this->get_field_name('image_size'),
$this->get_field_id('image_size')
);
?>
</p>
<p>
<label for="<?php echo $this->get_field_id('show_desc'); ?>">
<?php _e('Show Description:', 'event_espresso'); ?>
</label>
<?php
echo EEH_Form_Fields::select(
__('Show Description:', 'event_espresso'),
$instance['show_desc'],
$yes_no_values,
$this->get_field_name('show_desc'),
$this->get_field_id('show_desc')
);
?>
</p>
<p>
<label for="<?php echo $this->get_field_id('show_dates'); ?>">
<?php _e('Show Dates:', 'event_espresso'); ?>
</label>
<?php
echo EEH_Form_Fields::select(
__('Show Dates:', 'event_espresso'),
$instance['show_dates'],
$yes_no_values,
$this->get_field_name('show_dates'),
$this->get_field_id('show_dates')
);
?>
</p>
<p>
<label for="<?php echo $this->get_field_id('show_everywhere'); ?>">
<?php _e('Show on all Pages:', 'event_espresso'); ?>
</label>
<?php
echo EEH_Form_Fields::select(
__('Show on all Pages:', 'event_espresso'),
$instance['show_everywhere'],
$yes_no_values,
$this->get_field_name('show_everywhere'),
$this->get_field_id('show_everywhere')
);
?>
</p>
<p>
<label for="<?php echo $this->get_field_id('date_limit'); ?>">
<?php _e('Number of Dates to Display:', 'event_espresso'); ?>
</label>
<input id="<?php echo $this->get_field_id('date_limit'); ?>" name="<?php echo $this->get_field_name('date_limit'); ?>" value="<?php echo esc_attr( $instance['date_limit'] ); ?>" size="3" type="text" />
</p>
<p>
<label for="<?php echo $this->get_field_id('date_range'); ?>">
<?php _e('Show Date Range:', 'event_espresso'); ?>
</label>
<?php
echo EEH_Form_Fields::select(
__('Show Date Range:', 'event_espresso'),
$instance['date_range'],
$yes_no_values,
$this->get_field_name('date_range'),
$this->get_field_id('date_range')
);
?><span class="description"><br /><?php _e('This setting will replace the list of dates in the widget.', 'event_espresso'); ?></span>
</p>
<?php
}
/**
* Sanitize widget form values as they are saved.
*
* @see WP_Widget::update()
*
* @param array $new_instance Values just sent to be saved.
* @param array $old_instance Previously saved values from database.
*
* @return array Updated safe values to be saved.
*/
public function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = ! empty( $new_instance['title'] ) ? strip_tags( $new_instance['title'] ) : '';
$instance['category_name'] = $new_instance['category_name'];
$instance['show_expired'] = $new_instance['show_expired'];
$instance['limit'] = $new_instance['limit'];
$instance['sort'] = $new_instance['sort'];
$instance['image_size'] = $new_instance['image_size'];
$instance['show_desc'] = $new_instance['show_desc'];
$instance['show_dates'] = $new_instance['show_dates'];
$instance['show_everywhere'] = $new_instance['show_everywhere'];
$instance['date_limit'] = $new_instance['date_limit'];
$instance['date_range'] = $new_instance['date_range'];
return $instance;
}
/**
* Front-end display of widget.
*
* @see WP_Widget::widget()
*
* @param array $args Widget arguments.
* @param array $instance Saved values from database.
*/
public function widget( $args, $instance ) {
global $post;
// make sure there is some kinda post object
if ( $post instanceof WP_Post ) {
$before_widget = '';
$before_title = '';
$after_title = '';
$after_widget = '';
// but NOT an events archives page, cuz that would be like two event lists on the same page
$show_everywhere = isset( $instance['show_everywhere'] ) ? (bool) absint( $instance['show_everywhere'] ) : TRUE;
if ( $show_everywhere || ! ( $post->post_type == 'espresso_events' && is_archive() )) {
// let's use some of the event helper functions'
EE_Registry::instance()->load_helper( 'Event_View' );
// make separate vars out of attributes
extract($args);
// add function to make the title a link
add_filter('widget_title', array($this, 'make_the_title_a_link'), 15);
// filter the title
$title = apply_filters('widget_title', $instance['title']);
// remove the function from the filter, so it does not affect other widgets
remove_filter('widget_title', array($this, 'make_the_title_a_link'), 15);
// Before widget (defined by themes).
echo $before_widget;
// Display the widget title if one was input (before and after defined by themes).
if ( ! empty( $title )) {
echo $before_title . $title . $after_title;
}
// grab widget settings
$category = isset( $instance['category_name'] ) && ! empty( $instance['category_name'] ) ? $instance['category_name'] : FALSE;
$show_expired = isset( $instance['show_expired'] ) ? (bool) absint( $instance['show_expired'] ) : FALSE;
$image_size = isset( $instance['image_size'] ) && ! empty( $instance['image_size'] ) ? $instance['image_size'] : 'medium';
$show_desc = isset( $instance['show_desc'] ) ? (bool) absint( $instance['show_desc'] ) : TRUE;
$show_dates = isset( $instance['show_dates'] ) ? (bool) absint( $instance['show_dates'] ) : TRUE;
$date_limit = isset( $instance['date_limit'] ) && ! empty( $instance['date_limit'] ) ? $instance['date_limit'] : NULL;
$date_range = isset( $instance['date_range'] ) && ! empty( $instance['date_range'] ) ? $instance['date_range'] : FALSE;
// start to build our where clause
$where = array(
// 'Datetime.DTT_is_primary' => 1,
'status' => 'publish'
);
// add category
if ( $category ) {
$where['Term_Taxonomy.taxonomy'] = 'espresso_event_categories';
$where['Term_Taxonomy.Term.slug'] = $category;
}
// if NOT expired then we want events that start today or in the future
if ( ! $show_expired ) {
$where['Datetime.DTT_EVT_end'] = array( '>=', EEM_Datetime::instance()->current_time_for_query( 'DTT_EVT_end' ) );
}
// run the query
$events = EE_Registry::instance()->load_model( 'Event' )->get_all( array(
$where,
'limit' => $instance['limit'] > 0 ? '0,' . $instance['limit'] : '0,10',
'order_by' => 'Datetime.DTT_EVT_start',
'order' => isset($instance['sort']) ? $instance['sort'] : 'ASC',
'group_by' => 'EVT_ID'
));
if ( ! empty( $events )) {
echo '<ul class="ee-upcoming-events-widget-ul">';
foreach ( $events as $event ) {
if ( $event instanceof EE_Event && ( !is_single() || $post->ID != $event->ID() ) ) {
//printr( $event, '$event <br /><span style="font-size:10px;font-weight:normal;">' . __FILE__ . '<br />line no: ' . __LINE__ . '</span>', 'auto' );
echo '<li id="ee-upcoming-events-widget-li-' . $event->ID() . '" class="ee-upcoming-events-widget-li">';
// how big is the event name ?
$name_length = strlen( $event->name() );
switch( $name_length ) {
case $name_length > 70 :
$len_class = ' three-line';
break;
case $name_length > 35 :
$len_class = ' two-line';
break;
default :
$len_class = ' one-line';
}
echo '<h5 class="ee-upcoming-events-widget-title-h5"><a class="ee-widget-event-name-a' . $len_class . '" href="' . get_permalink( $event->ID() ) . '">' . $event->name() . '</a></h5>';
if ( has_post_thumbnail( $event->ID() ) && $image_size != 'none' ) {
echo '<div class="ee-upcoming-events-widget-img-dv"><a class="ee-upcoming-events-widget-img" href="' . get_permalink( $event->ID() ) . '">' . get_the_post_thumbnail( $event->ID(), $image_size ) . '</a></div>';
}
$desc = $event->short_description( 25 );
if ( $show_dates ) {
$date_format = apply_filters( 'FHEE__espresso_event_date_range__date_format', get_option( 'date_format' ));
$time_format = apply_filters( 'FHEE__espresso_event_date_range__time_format', get_option( 'time_format' ));
$single_date_format = apply_filters( 'FHEE__espresso_event_date_range__single_date_format', get_option( 'date_format' ));
$single_time_format = apply_filters( 'FHEE__espresso_event_date_range__single_time_format', get_option( 'time_format' ));
if ( $date_range == TRUE ) {
echo espresso_event_date_range( $date_format, $time_format, $single_date_format, $single_time_format, $event->ID() );
}else{
echo espresso_list_of_event_dates( $event->ID(), $date_format, $time_format, FALSE, NULL, TRUE, TRUE, $date_limit );
}
}
if ( $show_desc && $desc ) {
echo '<p style="margin-top: .5em">' . $desc . '</p>';
}
echo '</li>';
}
}
echo '</ul>';
}
// After widget (defined by themes).
echo $after_widget;
}
}
}
/**
* make_the_title_a_link
* callback for widget_title filter
*
* @param $title
* @return string
*/
public function make_the_title_a_link($title) {
return '<a href="' . EEH_Event_View::event_archive_url() . '">' . $title . '</a>';
}
}
function tw_load_custom_upcoming_events_widget() {
register_widget( 'Custom_Upcoming_Events' );
}
add_action( 'widgets_init', 'tw_load_custom_upcoming_events_widget' );
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