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   1  <?php
   2  /**
   3   * BuddyPress Messages Sitewide Notices Widget.
   4   *
   5   * @package BuddyPress
   6   * @subpackage Messages
   7   * @since 1.9.0
   8   */
   9  
  10  // Exit if accessed directly.
  11  defined( 'ABSPATH' ) || exit;
  12  
  13  /**
  14   * A widget that displays sitewide notices.
  15   *
  16   * @since 1.9.0
  17   */
  18  class BP_Messages_Sitewide_Notices_Widget extends WP_Widget {
  19  
  20      /**
  21       * Constructor method.
  22       */
  23  	function __construct() {
  24          parent::__construct(
  25              'bp_messages_sitewide_notices_widget',
  26              __( '(BuddyPress) Sitewide Notices', 'buddypress' ),
  27              array(
  28                  'classname'                   => 'widget_bp_core_sitewide_messages buddypress widget',
  29                  'description'                 => __( 'Display Sitewide Notices posted by the site administrator', 'buddypress' ),
  30                  'customize_selective_refresh' => true,
  31              )
  32          );
  33      }
  34  
  35      /**
  36       * Render the widget.
  37       *
  38       * @see WP_Widget::widget() for a description of parameters.
  39       *
  40       * @param array $args     See {@WP_Widget::widget()}.
  41       * @param array $instance See {@WP_Widget::widget()}.
  42       */
  43  	public function widget( $args, $instance ) {
  44  
  45          if ( ! is_user_logged_in() ) {
  46              return;
  47          }
  48  
  49          // Don't display the widget if there are no Notices to show.
  50          $notices = BP_Messages_Notice::get_active();
  51          if ( empty( $notices ) ) {
  52              return;
  53          }
  54  
  55          extract( $args );
  56  
  57          $title = ! empty( $instance['title'] ) ? $instance['title'] : '';
  58  
  59          /**
  60           * Filters the title of the Messages widget.
  61           *
  62           * @since 1.9.0
  63           * @since 2.3.0 Added 'instance' and 'id_base' to arguments passed to filter.
  64           *
  65           * @param string $title    The widget title.
  66           * @param array  $instance The settings for the particular instance of the widget.
  67           * @param string $id_base  Root ID for all widgets of this type.
  68           */
  69          $title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
  70  
  71          echo $before_widget;
  72          echo $before_title . $title . $after_title; ?>
  73  
  74          <div class="bp-site-wide-message">
  75              <?php bp_message_get_notices(); ?>
  76          </div>
  77  
  78          <?php
  79  
  80          echo $after_widget;
  81      }
  82  
  83      /**
  84       * Process the saved settings for the widget.
  85       *
  86       * @see WP_Widget::update() for a description of parameters and
  87       *      return values.
  88       *
  89       * @param array $new_instance See {@WP_Widget::update()}.
  90       * @param array $old_instance See {@WP_Widget::update()}.
  91       * @return array $instance See {@WP_Widget::update()}.
  92       */
  93  	public function update( $new_instance, $old_instance ) {
  94          $instance = $old_instance;
  95          $instance['title'] = strip_tags( $new_instance['title'] );
  96          return $instance;
  97      }
  98  
  99      /**
 100       * Render the settings form for Appearance > Widgets.
 101       *
 102       * @see WP_Widget::form() for a description of parameters.
 103       *
 104       * @param array $instance See {@WP_Widget::form()}.
 105       *
 106       * @return string|null Widget form output.
 107       */
 108  	public function form( $instance ) {
 109          $instance = wp_parse_args( (array) $instance, array(
 110              'title' => '',
 111          ) );
 112  
 113          $title = strip_tags( $instance['title'] ); ?>
 114  
 115          <p>
 116              <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:', 'buddypress' ); ?></label>
 117              <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 ); ?>" />
 118          </p>
 119  
 120          <?php
 121      }
 122  }