The first file (class-bp-messages-sitewide-notices-widget.php) may be more useful?
<?php
/**
* BuddyPress Messages Sitewide Notices Widget.
*
* @package BuddyPress
* @subpackage Messages
* @since 1.9.0
*/
// Exit if accessed directly.
defined( ‘ABSPATH’ ) || exit;
/**
* A widget that displays sitewide notices.
*
* @since 1.9.0
*/
class BP_Messages_Sitewide_Notices_Widget extends WP_Widget {
/**
* Constructor method.
*/
function __construct() {
parent::__construct(
‘bp_messages_sitewide_notices_widget’,
__( ‘(BuddyPress) Sitewide Notices’, ‘buddypress’ ),
array(
‘classname’ => ‘widget_bp_core_sitewide_messages buddypress widget’,
‘description’ => __( ‘Display Sitewide Notices posted by the site administrator’, ‘buddypress’ ),
‘customize_selective_refresh’ => true,
)
);
}
/**
* Render the widget.
*
* @see WP_Widget::widget() for a description of parameters.
*
* @param array $args See {@WP_Widget::widget()}.
* @param array $instance See {@WP_Widget::widget()}.
*/
public function widget( $args, $instance ) {
if ( ! is_user_logged_in() ) {
return;
}
// Don’t display the widget if there are no Notices to show.
$notices = BP_Messages_Notice::get_active();
if ( empty( $notices ) ) {
return;
}
extract( $args );
$title = ! empty( $instance[‘title’] ) ? $instance[‘title’] : ”;
/**
* Filters the title of the Messages widget.
*
* @since 1.9.0
* @since 2.3.0 Added ‘instance’ and ‘id_base’ to arguments passed to filter.
*
* @param string $title The widget title.
* @param array $instance The settings for the particular instance of the widget.
* @param string $id_base Root ID for all widgets of this type.
*/
$title = apply_filters( ‘widget_title’, $title, $instance, $this->id_base );
echo $before_widget;
echo $before_title . $title . $after_title; ?>
<div class=”bp-site-wide-message”>
<?php bp_message_get_notices(); ?>
</div>
<?php
echo $after_widget;
}
/**
* Process the saved settings for the widget.
*
* @see WP_Widget::update() for a description of parameters and
* return values.
*
* @param array $new_instance See {@WP_Widget::update()}.
* @param array $old_instance See {@WP_Widget::update()}.
* @return array $instance See {@WP_Widget::update()}.
*/
public function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance[‘title’] = strip_tags( $new_instance[‘title’] );
return $instance;
}
/**
* Render the settings form for Appearance > Widgets.
*
* @see WP_Widget::form() for a description of parameters.
*
* @param array $instance See {@WP_Widget::form()}.
*
* @return string|null Widget form output.
*/
public function form( $instance ) {
$instance = wp_parse_args( (array) $instance, array(
‘title’ => ”,
) );
$title = strip_tags( $instance[‘title’] ); ?>
<p>
<label for=”<?php echo $this->get_field_id( ‘title’ ); ?>”><?php _e( ‘Title:’, ‘buddypress’ ); ?></label>
<input class=”widefat” id=”<?php echo $this->get_field_id( ‘title’ ); ?>” name=”<?php echo $this->get_field_name( ‘title’ ); ?>” type=”text” value=”<?php echo esc_attr( $title ); ?>” />
</p>
<?php
}
}
