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<?php namespace B2\Modules\Templates\Widgets;
class About extends \WP_Widget{
//小工具slug
protected $widget_slug = 'b2-widget-about';
//短代码名
protected static $shortcode = 'b2_widget_about';
//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-关于我们', 'b2' ),
array(
'classname' => $this->widget_slug,
'customize_selective_refresh' => true,
'description' => __( '“关于我们”小工具', 'b2' ),
)
);
//默认设置项
self::$defaults = array(
'about_title'=>__('关于我们','b2'),
'about_logo' => '',
'about_text'=>'',
'about_link'=>'',
'show_mobile'=>0
);
//设置项
$this->cmb2_fields = array(
array(
'name' => __('标题','b2'),
'id_key' => 'about_title',
'id' => 'about_title',
'type' => 'text'
),
array(
'name' => __( 'LOGO', 'b2' ),
'desc' => __( '如果未设置，此处将显示您设置的浅色LOGO', 'b2' ),
'id_key' => 'about_logo',
'id' => 'about_logo',
'type' => 'file',
'text' => array(
'add_upload_file_text' => __( '选择LOGO图片', 'b2' ),
),
'options' => array(
'url' => true, // Hide the text input for the url
),
'query_args' => array(
'type' => array(
'image/svg+xml',
'image/gif',
'image/jpeg',
'image/png',
),
),
'preview_size' => 'large',
),
array(
'name' => __('简介文字','b2'),
'id_key' => 'about_text',
'id' => 'about_text',
'type' => 'textarea_small'
),
array(
'name'=>__('点击进入的页面','b2'),
'id_key'=>'about_link',
'id'=>'about_link',
'desc'=>__('请直接复制“关于我们”页面的连接到此处','b2'),
'type'=>'text'
),
array(
'name'=>__('移动端是否显示','b2'),
'id_key'=>'show_mobile',
'id'=>'show_mobile',
'type'=>'radio_inline',
'options'=>array(
1=>__('显示','b2'),
0=>__('隐藏','b2')
)
)
);
//关于我们短代码
add_shortcode( self::$shortcode, array( __CLASS__, 'b2_widget_about_us' ) );
}
/**
* 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(
'instance' => array(),
'before_widget' => '',
'after_widget' => '',
'before_title' => '',
'after_title' => '',
'cache_id' => '',
'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){
$widget = ! $atts['flush_cache']
? wp_cache_get( $atts['cache_id'], 'widget' )
: '';
}else{
$widget = '';
}
if(!empty($widget)) return $widget;
$logo = $instance['about_logo'];
$logo_ = $logo;
$_logo = str_replace(array('https://','http://'),'',$logo);
if(is_numeric($_logo)){
$logo = wp_get_attachment_url($_logo);
}else{
$logo = $logo_;
}
$html = '
<div class="about-widget">
<a href="'.$instance['about_link'].'"><img class="footer-logo" src="'.$logo.'" /></a>
<div class="about-widget-content">
<a href="'.$instance['about_link'].'">'.wpautop($instance['about_text']).'</a>
</div>
</div>
';
// 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( $instance['about_title'] ) .$atts['after_title'];
$widget .= '</div>';
$widget .= '<div class="b2-widget-box">'.$html.'</div>';
$widget .= $atts['after_widget'];
// if(B2_OPEN_CACHE){
// wp_cache_set( $atts['cache_id'], $widget, 'widget', MINUTE_IN_SECONDS*30 );
// }
}
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;
}
}