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<?php namespace B2\Modules\Templates\Widgets;
class Post extends \WP_Widget{
//小工具slug
protected $widget_slug = 'b2-widget-hot';
//短代码名
protected static $shortcode = 'b2_widget_hot_post';
//CMB2
protected $cmb2 = null;
//默认设置
protected static $defaults = array();
//实例
protected $_instance = array();
//cmb2项目
protected $cmb2_fields = array();
public function __construct() {
parent::__construct(
$this->widget_slug,
__( 'B2-文章聚合', 'b2' ),
array(
'classname' => $this->widget_slug,
'customize_selective_refresh' => true,
'description' => __( '显示热门文章，最新文章，评论最多文章等', 'b2' ),
)
);
//默认设置项
self::$defaults = array(
'hot_title' => __('文章聚合','b2'),
'post_type' => 'post',
'post_cat'=>'',
'order'=>'meta_value_num',
'days'=>0,
'count' => 6,
'show_thumb'=>1,
'show_mobile'=>0
);
$collection_name = b2_get_option('normal_custom','custom_collection_name');
//设置项
$this->cmb2_fields = array(
array(
'name' => __('标题','b2'),
'id_key' => 'hot_title',
'id' => 'hot_title',
'type' => 'text',
),
array(
'name' => __('文章类型','b2'),
'desc' => __('将会显示在前端，不设置请留空','b2'),
'id_key' => 'post_type',
'id' => 'post_type',
'type' => 'select',
'options'=>array(
'post'=>__('文章','b2'),
// 'shoptype'=>__('商品','b2'),
// 'topic'=>__('帖子','b2'),
// 'bubble'=>__('冒泡','b2'),
// 'arcitive'=>__('活动','b2'),
// 'lab'=>__('研究所','b2')
)
),
array(
'name' => __('分类ID','b2'),
'desc' => sprintf(__('可以填写分类ID，%sID，标签ID等，多个请用竖线|隔开。ID之间是或者的关系，比如设置ID为1的标签和ID为12的分类，写作%s，这里将会显示标签是1，或者分类是12的文章。留空将显示全部。','b2'),$collection_name,'<code>1|12</code>'),
'id_key' => 'post_cat',
'id' => 'post_cat',
'type' => 'textarea_small'
),
array(
'name' => __('排序方法','b2'),
'id_key' => 'order',
'id' => 'order',
'type' => 'select',
'options'=>array(
'rand'=>__('随机','b2'),
'date'=>__('时间','b2'),
'meta_value_num'=>__('浏览量','b2'),
'comment_count'=>__('评论数量','b2')
)
),
array(
'name' => __('时间范围','b2'),
'id_key' => 'days',
'id' => 'days',
'type' => 'text',
'desc'=>__('限制显示多少天内的文章，如果没有时间限制，请填写0','b2')
),
array(
'name'=>__('显示数量','b2'),
'id_key'=>'count',
'id'=>'count',
'type'=>'text'
),
array(
'name'=>__('缩略图模式','b2'),
'id_key'=>'show_thumb',
'id'=>'show_thumb',
'type'=>'radio_inline',
'options'=>array(
1=>__('无图模式','b2'),
2=>__('小图模式','b2'),
3=>__('大图模式','b2')
)
),
array(
'name'=>__('移动端是否显示','b2'),
'id_key'=>'show_mobile',
'id'=>'show_mobile',
'type'=>'radio_inline',
'options'=>array(
1=>__('显示','b2'),
0=>__('隐藏','b2')
)
)
);
//有内容更新，刷新缓存
//add_filter( 'widget_update_callback', array( $this, 'cache_bump' ),10, 3 );
add_action( 'save_post', array( $this, 'flush_widget_cache' ) );
add_action( 'deleted_post', array( $this, 'flush_widget_cache' ) );
add_action( 'switch_theme', array( $this, 'flush_widget_cache' ) );
add_shortcode( self::$shortcode, array( __CLASS__, 'b2_widget_hot_post' ) );
}
public function cache_bump( $instance ) {
$this->flush_widget_cache();
return $instance;
}
/**
* 刷新缓存
*
* @return void
* @author Li Ruchun <lemolee@163.com>
* @version 1.0.0
* @since 2018
*/
public function flush_widget_cache() {
wp_cache_delete($this->id, 'widget' );
}
/**
* 显示小工具
*
* @param [type] $args
* @param [type] $instance
*
* @return void
* @author Li Ruchun <lemolee@163.com>
* @version 1.0.0
* @since 2018
*/
public function widget( $args, $instance ) {
echo self::get_widget( array(
'args' => $args,
'instance' => $instance,
'cache_id' => $this->id,
) );
}
/**
* 显示小工具短代码内容
*
* @param [type] $atts
*
* @return void
* @author Li Ruchun <lemolee@163.com>
* @version 1.0.0
* @since 2018
*/
public static function get_widget( $atts ) {
$atts['args']['cache_id'] = $atts['cache_id'];
//获取设置项
$instance = shortcode_atts(
self::$defaults,
! empty( $atts['instance'] ) ? (array) $atts['instance'] : array(),
self::$shortcode
);
$atts = shortcode_atts(
array(
'cache_id'=>'',
'instance' => array(),
'before_widget' => '',
'after_widget' => '',
'before_title' => '',
'after_title' => '',
'flush_cache' => isset( $_GET['delete-trans'] ),
),
isset( $atts['args'] ) ? (array) $atts['args'] : array(),
self::$shortcode
);
if ( empty( $atts['cache_id'] ) ) {
$atts['cache_id'] = md5( serialize( $atts ) );
}
if(B2_OPEN_CACHE && $instance['order'] != 'rand'){
$widget = ! $atts['flush_cache']
? wp_cache_get( $atts['cache_id'], 'widget' )
: '';
}else{
$widget = '';
}
if(!empty($widget)) return $widget;
$instance['post_cat'] = trim($instance['post_cat'], " \t\n\r\0\x0B\xC2\xA0");
if((int)$instance['count'] < 0 || (int)$instance['count'] > 50) return;
$args = array(
'post_type'=>$instance['post_type'],
'posts_per_page'=>$instance['count'] ? (int)$instance['count'] : 6,
'orderby'=>$instance['order'],
'post__not_in'=>get_option("sticky_posts"),
'no_found_rows'=>true,
'post_status'=>'publish'
);
if($instance[ 'days' ]){
$args['date_query'] = array(
array(
'after' => wp_date('Y-m-d',wp_strtotime("-".$instance[ 'days' ]." days")),//7天的时间
'inclusive' => true,
)
);
}
if($instance['post_cat']){
$tax_array = explode( '|', $instance['post_cat']);
$arg = array();
$args['tax_query'] = array(
'relation' => 'OR',
);
foreach ($tax_array as $k => $v) {
$term = get_term( $v );
if(!isset($term->taxonomy)) continue;
array_push($args['tax_query'], array(
'taxonomy' => $term->taxonomy,
'field' => 'term_id',
'terms' => $v,
'operator' => 'IN',
'include_children' => false,
));
}
}
if($args['orderby'] === 'meta_value_num'){
$args['meta_key'] = 'views';
}
$the_query = new \WP_Query( $args );
if ( $the_query->have_posts() ) {
//获取文章数据
$html = '<ul class="b2-widget-list-ul">';
$_pages = $the_query->max_num_pages;
$i = 0;
$sidebar_width = b2_get_option('template_main','sidebar_width');
while ( $the_query->have_posts() ) {
$the_query->the_post();
$i++;
$post_id = $the_query->post->ID;
$link = get_permalink();
if($instance['show_thumb'] && $instance['post_type'] === 'post'){
$title = get_the_title();
if($instance['show_thumb'] == 2){
$w = intval($sidebar_width/3.6);
$h = intval(($sidebar_width/3.6)*0.618);
$thumb = b2_get_thumb(array(
'thumb'=>\B2\Modules\Common\Post::get_post_thumb($post_id),
'width'=>$w,
'height'=>$h
));
$html .= '<li class="b2-widget-box widget-post widget-post-small">
'.($i < 4 ? '<div class="b2-widget-post-order widget-order-'.$i.'"><span class="b2-radius">TOP'.$i.'</span></div>' : '').'
<div class="b2-widget-post-thumb b2-radius">
<div class="b2-widget-post-thumb-img">
'.b2_get_img(array(
'class'=>array('b2-radius'),
'src'=>$thumb,
'alt'=>$title
)).'
</div>
<div class="b2-widget-post-title">
<h2>'.$title.'</h2>
'.b2_timeago(get_the_date('Y-m-d G:i:s')).'
</div>
</div>
<a ref="nofollow" class="link-overlay" href="'.$link.'"></a>
</li>';
}elseif($instance['show_thumb'] == 1){
$html .= '<li class="b2-widget-box widget-post widget-post-none">
<div class="b2-widget-post-order widget-order-'.$i.'"><span class="b2-radius">'.$i.'</span></div>
<div class="b2-widget-post-title">
<h2>'.$title.'</h2>
'.b2_timeago(get_the_date('Y-m-d G:i:s')).'
</div>
<a class="link-overlay" href="'.$link.'"></a>
</li>';
}elseif($instance['show_thumb'] == 3){
$w = $sidebar_width;
$h = intval($sidebar_width*0.618);
$thumb = b2_get_thumb(array(
'thumb'=>\B2\Modules\Common\Post::get_post_thumb($post_id),
'width'=>$w,
'height'=>$h
));
$html .='<li class="b2-widget-box widget-post widget-post-big">
<div class="b2-widget-post-thumb b2-radius">
'.b2_get_img(array(
'class'=>array('b2-radius'),
'src'=>$thumb,
'alt'=>$title,
'attr'=>array(
'height'=>$h,
'width'=>$w
)
)).'
<div class="b2-widget-post-title">
<h2>'.$title.'</h2>
'.b2_timeago(get_the_date('Y-m-d G:i:s')).'
</div>
</div>
<a ref="nofollow" class="link-overlay" href="'.$link.'"></a>
</li>';
}
}
}
$html .= '</ul>';
}else{
$html = '<div class="b2-widget-empty b2-pd b2-b-t fs12">'.__('没有任何内容','b2').'</div>';
}
wp_reset_postdata();
// 如果 $widget 是空的， 重建缓存
if ( empty( $widget )) {
$widget = '';
$widget .= !$instance['show_mobile'] ? str_replace('class="','class="mobile-hidden ',$atts['before_widget']) : $atts['before_widget'];
$widget .= '<div class="b2-widget-title">';
$widget .= $atts['before_title']. esc_attr( $instance['hot_title'] ) .$atts['after_title'];
$widget .= '</div>';
$widget .= '<div class="b2-widget-box">'.$html.'</div>';
$widget .= $atts['after_widget'];
if(B2_OPEN_CACHE && $instance['order'] != 'rand'){
wp_cache_set( $atts['cache_id'], $widget, 'widget', 1500 );
}
}
return $widget;
}
/**
* 更新小工具
*
* @param array $new_instance
* @param array $old_instance
*
* @return void
* @author Li Ruchun <lemolee@163.com>
* @version 1.0.0
* @since 2018
*/
public function update( $new_instance, $old_instance ) {
$this->flush_widget_cache();
$sanitized = $this->cmb2( true )->get_sanitized_values( $new_instance );
return $sanitized;
}
/**
* 小工具表单
*
* @param array $instance
*
* @return void
* @author Li Ruchun <lemolee@163.com>
* @version 1.0.0
* @since 2018
*/
public function form( $instance ) {
// 如果没有设置项使用默认
$this->_instance = wp_parse_args( (array) $instance, self::$defaults );
$cmb2 = $this->cmb2();
$cmb2->object_id( $this->option_name );
\CMB2_hookup::enqueue_cmb_css();
\CMB2_hookup::enqueue_cmb_js();
$cmb2->show_form();
}
/**
* 创建实例
*
* @param bool $saving
*
* @return void
* @author Li Ruchun <lemolee@163.com>
* @version 1.0.0
* @since 2018
*/
public function cmb2( $saving = false ) {
$cmb2 = new \CMB2( array(
'id' => $this->option_name .'_box',
'hookup' => false,
'show_on' => array(
'key' => 'options-page',
'value' => array( $this->option_name )
),
), $this->option_name );
foreach ( $this->cmb2_fields as $field ) {
if ( ! $saving ) {
$field['id'] = $this->get_field_name( $field['id'] );
}
$field['default_cb'] = array( $this, 'default_cb' );
$cmb2->add_field( $field );
}
return $cmb2;
}
/**
* 设置默认项
*
* @param array $field_args CMB2的设置项
* @param CMB2_Field $field CMB2 选项对象
*
* @return mixed Field value.
*/
public function default_cb( $field_args, $field ) {
return isset( $this->_instance[ $field->args( 'id_key' ) ] )
? $this->_instance[ $field->args( 'id_key' ) ]
: null;
}
}