<?php

add_theme_support('post-thumbnails');
add_filter( 'pre_option_link_manager_enabled', '__return_true' );



//文章浏览量统计
function record_visitors(){
    if (is_singular()) {global $post;
     $post_ID = $post->ID;
      if($post_ID) 
      {
          $post_views = (int)get_post_meta($post_ID, 'views', true);
          if(!update_post_meta($post_ID, 'views', ($post_views+1))) 
          {
            add_post_meta($post_ID, 'views', 1, true);
          }
      }
    }
}
add_action('wp_head', 'record_visitors');  

function post_views($before = '(点击 ', $after = ' 次)', $echo = 1)
{
  global $post;
  $post_ID = $post->ID;
  $views = (int)get_post_meta($post_ID, 'views', true);
  if ($echo) echo $before, number_format($views), $after;
  else return $views;
};

//侧边栏分类
function get_category_root_id($cat)  
{  
$this_category = get_category($cat); // 取得当前分类  
while($this_category->category_parent) // 若当前分类有上级分类时，循环  
{  
$this_category = get_category($this_category->category_parent); // 将当前分类设为上级分类（往上爬）  
}  
return $this_category->term_id; // 返回根分类的id号  
}

//分页
function par_pagenavi($range = 9){ 
if ( is_singular() ) return;
global $wp_query, $paged;
$max_page = $wp_query->max_num_pages;
if ( $max_page == 1 ) return;
if ( empty( $paged ) ) $paged = 1;
echo ' ';
    global $paged, $wp_query;  
    if ( !$max_page ) {$max_page = $wp_query->max_num_pages;}  
    if($max_page > 1){if(!$paged){$paged = 1;}
    if($paged != 1){echo "<a href='" . get_pagenum_link(1) . "' class='extend' title='".__( 'First', 'dahuzi_theme' )."'>".__( 'First', 'dahuzi_theme' )."</a>";}  
    previous_posts_link(__( 'Previous', 'dahuzi_theme' )); 
    if($max_page > $range){  
        if($paged < $range){for($i = 1; $i <= ($range + 1); $i++){echo "<a href='" . get_pagenum_link($i) ."'";  
        if($i==$paged)echo " class='current'";echo ">$i</a>";}}  
    elseif($paged >= ($max_page - ceil(($range/2)))){  
        for($i = $max_page - $range; $i <= $max_page; $i++){echo "<a href='" . get_pagenum_link($i) ."'";  
        if($i==$paged)echo " class='current'";echo ">$i</a>";}}  
    elseif($paged >= $range && $paged < ($max_page - ceil(($range/2)))){  
        for($i = ($paged - ceil($range/2)); $i <= ($paged + ceil(($range/2))); $i++){echo "<a href='" . get_pagenum_link($i) ."'";if($i==$paged) echo " class='current'";echo ">$i</a>";}}}  
    else{for($i = 1; $i <= $max_page; $i++){echo "<a href='" . get_pagenum_link($i) ."'";  
    if($i==$paged)echo " class='current'";echo ">$i</a>";}}  
    next_posts_link(__( 'Next', 'dahuzi_theme' ));  
    if($paged != $max_page){echo "<a href='" . get_pagenum_link($max_page) . "' class='extend' title='".__( 'Last', 'dahuzi_theme' )."'>".__( 'Last', 'dahuzi_theme' )."</a>";}}  
}

//面包屑导航
function get_breadcrumbs()  {
    global $wp_query;
    if ( !is_home() ){
        // Start the UL
        //echo '<ul class="breadcrumb">'; 
        // Add the Home link  
        echo '<a href="'. get_option('home') .'"><i class="fa fa-home"></i>'.__( 'Home', 'dahuzi_theme' ).'</a>';

        if ( is_category() )  {
            $catTitle = single_cat_title( "", false );
            $cat = get_cat_ID( $catTitle );
            echo " <span>&raquo;</span> ". get_category_parents( $cat, TRUE, " <span>&raquo;</span> " ) ."";
        }
        elseif ( is_tag() )  {
            echo " <span>&raquo;</span> ".single_tag_title('', false)."";
        }
        elseif ( is_archive() && !is_category() )  {
            echo " <span>&raquo;</span> Archives";
        }
        elseif ( is_search() ) {
            //echo ' <span>&raquo;</span> 搜索结果（共搜索到 ' . $wp_query->found_posts . ' 篇文章）';
            echo ' <span>&raquo;</span> '.sprintf( __('Search for: %s', 'dahuzi_theme'), get_search_query() ).'';
        }
        elseif ( is_404() )  {
            echo " <span>&raquo;</span> 404 Not Found";
        }
        elseif ( is_single() )  {
            $category = get_the_category();
            if($category){
                $category_id = get_cat_ID( $category[0]->cat_name );
                echo ' <span>&raquo;</span> '. get_category_parents( $category_id, TRUE, "  <span>&raquo;</span> " );
                echo get_the_title(); 
            }
        }
        elseif ( is_page() )  {
            $post = $wp_query->get_queried_object();
            if ( $post->post_parent == 0 ){
                echo " <span>&raquo;</span> ".the_title('','', FALSE)."";
            } else {
                $title = the_title('','', FALSE);
                $ancestors = array_reverse( get_post_ancestors( $post->ID ) );
                array_push($ancestors, $post->ID);
    
                foreach ( $ancestors as $ancestor ){
                    if( $ancestor != end($ancestors) ){
                        echo ' <span>&raquo;</span> <a href="'. get_permalink($ancestor) .'">'. strip_tags( apply_filters( 'single_post_title', get_the_title( $ancestor ) ) ) .'</a>'; 
                    } else {
                        echo ' <span>&raquo;</span> '. strip_tags( apply_filters( 'single_post_title', get_the_title( $ancestor ) ) ) .'';
                    }
                }
            }
        }
        // End the UL
        //echo "</ul>";
    }
}

// 添加@评论
add_filter('comment_text', function($comment_text) {
    $comment_ID = get_comment_ID();
    $comment = get_comment($comment_ID);
    if ($comment->comment_parent) {
        $parent_comment = get_comment($comment->comment_parent);
        $comment_text = '<a href="#comment-' . $comment->comment_parent . '"><span class="parent-icon">@' . $parent_comment->comment_author . '</a></span> ' . $comment_text;
    }
    return $comment_text;
});


//百度地图短代码
add_shortcode('baidu_map', 'baidu_map');
function baidu_map($atts, $content=null) {

    extract(shortcode_atts(array("dtmishi" => '',"dzmc" => '',"dtxxms" => '',"zuobiao" => ''), $atts));
    $md5 = md5( $dzmc );
        $return = '<div id="map_contact" class="version_2">';
            $return .= '<style type="text/css">#a'.$md5.'{width:100%;height:500px;margin-top: 30px;}</style>';
            $return .= '<script type="text/javascript" src="https://api.map.baidu.com/api?v=2.0&ak='.$dtmishi.'"></script>';
            $return .= '<div id="a'.$md5.'"></div>';
            $return .= '<script type="text/javascript">
                // 百度地图API功能
                var sContent =
                "<h4>'.$dzmc.'</h4>" + 
                "<p>'.$dtxxms.'</p>" + 
                "</div>";
                var map = new BMap.Map("a'.$md5.'");
                var point = new BMap.Point('.$zuobiao.');
                var marker = new BMap.Marker(point);
                var infoWindow = new BMap.InfoWindow(sContent);  // 创建信息窗口对象
                marker.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画
                map.openInfoWindow(infoWindow,point); //开启信息窗口
                map.centerAndZoom(point, 15);
                map.addOverlay(marker);
                marker.addEventListener("click", function(){          
                this.openInfoWindow(infoWindow);
                //图片加载完毕重绘infowindow
                document.getElementById("imgDemo").onload = function (){
                    infoWindow.redraw();   //防止在网速较慢，图片未加载时，生成的信息框高度比图片的总高度小，导致图片部分被隐藏
                }
                });
            </script>';
        $return .= '</div>';

    return $return;
}

// 添加代码到头部
function dahuzi_code_head() {
    echo dahuzi('code_head');
}
add_action('wp_head', 'dahuzi_code_head');

// 添加代码到页脚
function dahuzi_code_foot() {
    echo dahuzi('code_foot');
}
add_action('wp_footer', 'dahuzi_code_foot');