203 lines
8.7 KiB
PHP
203 lines
8.7 KiB
PHP
<?php
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/**
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* 小工具：评论
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*/
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class Bing_widget_recent_comments extends WP_Widget{
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//默认设置
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public $default_instance = array();
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//初始化
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function __construct(){
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parent::__construct(
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'recent_comments',
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THEME_WIDGET_PREFIX . __( '评论', 'Bing' ),
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array( 'description' => __( '根据设置可以显示不同的评论', 'Bing' ) )
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);
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$this->default_instance = array(
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'title' => __( '评论', 'Bing' ),
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'number' => 5,
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'exclude_users' => array(),
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'exclude_administrator' => false,
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'exclude_posts' => array(),
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'descending' => true,
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'date_limit' => 'unlimited'
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);
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}
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//小工具内容
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function widget( $args, $instance ){
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if( empty( $instance ) ) $instance = $this->default_instance;
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$title = apply_filters( 'widget_title', $instance['title'], $instance, $this->id_base );
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echo $args['before_widget'];
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if( !empty( $title ) ) echo $args['before_title'] . $title . $args['after_title'];
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$exclude_users = $instance['exclude_users'];
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if( $instance['exclude_administrator'] ){
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$administrator_ids = array_map( 'absint', get_users( 'fields=ids&role=administrator' ) );
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$exclude_users = array_unique( array_merge( $instance['exclude_users'], $administrator_ids ) );
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}
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$date_query = $instance['date_limit'] == 'unlimited' ? null : array( 'after' => $instance['date_limit'] );
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$comments = get_comments( array(
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'number' => $instance['number'],
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'author__not_in' => $exclude_users,
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'post__not_in' => $instance['exclude_posts'],
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'order' => $instance['descending'] ? 'DESC' : 'ASC',
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'date_query' => $date_query,
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'status' => 'approve',
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'type' => 'comment'
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) );
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if( empty( $comments ) ):
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?>
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<div class="empty-recent-comments">
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<p><?php _e( '什么评论都没有，赶紧去发表你的意见吧！' ); ?></p>
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</div>
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<?php
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else:
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$show_avatars = get_option( 'show_avatars' ) ? ' show-avatars' : '';
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echo '<ul class="sidebar-comments-list' . $show_avatars . '">';
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foreach( $comments as $comment ):
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$a_title = sprintf( __( '发表在《%s》', 'Bing' ), get_the_title( $comment->comment_post_ID ) );
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?>
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<li>
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<a href="<?php echo esc_url( get_comment_link( $comment ) ); ?>" title="<?php echo esc_attr( $a_title ); ?>">
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<?php echo get_avatar( $comment, 36 ); ?>
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<div class="right-box">
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<span class="author"><?php echo get_comment_author( $comment ); ?></span>
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<p class="comment-text"><?php echo htmlspecialchars( get_comment_text( $comment ) ); ?></p>
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</div>
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</a>
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</li>
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<?php
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endforeach;
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echo '</ul>';
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endif;
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echo $args['after_widget'];
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}
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//保存设置选项
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function update( $new_instance, $old_instance ){
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$instance = array();
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//标题
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$instance['title'] = strip_tags( $new_instance['title'] );
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//评论数量
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$instance['number'] = absint( $new_instance['number'] );
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if( $instance['number'] === 0 ) $instance['number'] = 1;
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//排除用户
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$instance['exclude_users'] = array_map( 'absint', (array) $new_instance['exclude_users'] );
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if( !empty( $instance['exclude_users'] ) ){
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$instance['exclude_users'] = get_users( array(
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'include' => $instance['exclude_users'],
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'fields' => 'ids'
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) );
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$instance['exclude_users'] = array_map( 'absint', $instance['exclude_users'] );
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}
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//排除所有管理员
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$instance['exclude_administrator'] = !empty( $new_instance['exclude_administrator'] );
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//排除文章
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$instance['exclude_posts'] = array_map( 'absint', (array) $new_instance['exclude_posts'] );
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if( !empty( $instance['exclude_posts'] ) ) $instance['exclude_posts'] = get_posts( array(
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'post__in' => $instance['exclude_posts'],
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'nopaging' => true,
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'post_type' => 'post',
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'post_status' => array( 'publish', 'future' ),
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'fields' => 'ids',
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'update_post_meta_cache' => false,
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'update_post_term_cache' => false
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) );
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//倒序排列
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$instance['descending'] = !empty( $new_instance['descending'] );
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//日期限制
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$all_date_limit = array(
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'unlimited',
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'1 day ago',
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'3 day ago',
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'1 week ago',
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'1 month ago',
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'3 month ago',
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'6 month ago',
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'1 year ago',
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'2 year ago',
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'3 year ago'
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);
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$instance['date_limit'] = in_array( $new_instance['date_limit'], $all_date_limit ) ? $new_instance['date_limit'] : 'unlimited';
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return $instance;
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}
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//设置表单
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function form( $instance ){
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$instance = wp_parse_args( $instance, $this->default_instance );
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$users = get_users( array(
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'orderby' => 'registered',
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'fields' => array( 'ID', 'display_name' )
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) );
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$date_limit = array(
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'unlimited' => __( '无限制', 'Bing' ),
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'1 day ago' => __( '一天之内', 'Bing' ),
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'3 day ago' => __( '三天之内', 'Bing' ),
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'1 week ago' => __( '一周之内', 'Bing' ),
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'1 month ago' => __( '一个月之内', 'Bing' ),
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'3 month ago' => __( '三个月之内', 'Bing' ),
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'6 month ago' => __( '半年之内', 'Bing' ),
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'1 year ago' => __( '一年之内', 'Bing' ),
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'2 year ago' => __( '两年之内', 'Bing' ),
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'3 year ago' => __( '三年之内', 'Bing' )
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);
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?>
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<p>
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<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( '标题：', 'Bing' ); ?></label>
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<input type="text" class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" value="<?php echo esc_attr( $instance['title'] ); ?>" />
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</p>
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<p>
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<label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php _e( '评论数量：', 'Bing' ); ?></label>
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<input type="number" id="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'number' ) ); ?>" value="<?php echo $instance['number']; ?>" />
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</p>
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<p>
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<label for="<?php echo esc_attr( $this->get_field_id( 'exclude_users' ) ); ?>"><?php _e( '排除用户：', 'Bing' ); ?></label>
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<select class="widefat" multiple="multiple" id="<?php echo esc_attr( $this->get_field_id( 'exclude_users' ) ); ?>[]" name="<?php echo esc_attr( $this->get_field_name( 'exclude_users' ) ); ?>[]">
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<?php foreach( $users as $user ): ?>
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<option value="<?php echo esc_attr( $user->ID ); ?>"<?php if( in_array( $user->ID, $instance['exclude_users'] ) ) echo ' selected="selected"'; ?>><?php echo $user->display_name; ?></option>
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<?php endforeach; ?>
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</select>
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</p>
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<p>
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<label for="<?php echo esc_attr( $this->get_field_id( 'exclude_administrator' ) ); ?>"><?php _e( '排除所有管理员：', 'Bing' ); ?></label>
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<input type="checkbox" id="<?php echo esc_attr( $this->get_field_id( 'exclude_administrator' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'exclude_administrator' ) ); ?>" value="1"<?php checked( $instance['exclude_administrator'] ); ?> />
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</p>
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<p>
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<label for="<?php echo esc_attr( $this->get_field_id( 'exclude_posts' ) ); ?>"><?php _e( '排除文章：', 'Bing' ); ?></label>
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<select class="widefat" multiple="multiple" id="<?php echo esc_attr( $this->get_field_id( 'exclude_posts' ) ); ?>[]" name="<?php echo esc_attr( $this->get_field_name( 'exclude_posts' ) ); ?>[]">
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<?php foreach( get_posts( 'nopaging=1&post_status=publish,future' ) as $post ): ?>
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<option value="<?php echo esc_attr( $post->ID ); ?>"<?php if( in_array( $post->ID, $instance['exclude_posts'] ) ) echo ' selected="selected"'; ?>><?php echo get_the_title( $post ); ?></option>
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<?php endforeach; ?>
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</select>
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</p>
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<p>
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<label for="<?php echo esc_attr( $this->get_field_id( 'descending' ) ); ?>"><?php _e( '倒序排列：', 'Bing' ); ?></label>
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<input type="checkbox" id="<?php echo esc_attr( $this->get_field_id( 'descending' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'descending' ) ); ?>" value="1"<?php checked( $instance['descending'] ); ?> />
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</p>
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<p>
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<label for="<?php echo esc_attr( $this->get_field_id( 'date_limit' ) ); ?>"><?php _e( '日期限制：', 'Bing' ); ?></label>
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<select id="<?php echo esc_attr( $this->get_field_id( 'date_limit' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'date_limit' ) ); ?>">
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<?php foreach( $date_limit as $date_code => $date_title ): ?>
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<option value="<?php echo $date_code; ?>"<?php selected( $instance['date_limit'], $date_code ); ?>><?php echo $date_title; ?></option>
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<?php endforeach; ?>
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</select>
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</p>
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<?php
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}
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}
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register_widget( 'Bing_widget_recent_comments' );
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//End of page.
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