单个文件插件如下所示。
配置：
检查用户帖子列表
/*
Plugin Name: Region Author Mapping
Plugin URI:
Description: Simple plugin limit authors to post based on regions.
Version: 1.0
Author:
Author URI:
*/
/* Disallow direct access to the plugin file */
defined('ABSPATH') || die('Sorry, but you cannot access this page directly.');
if (!class_exists('region_author')){
class region_author{
public $txtPostType = 'post';
public $txtDomainReg = 'author_regions';
public $taxRegions = 'regions';
/**
* class constractor
* @author Ohad Raz
* @since 0.1
*/
public function __construct(){
$this->hooks();
if (is_admin()){
$this->adminHooks();
}
}
/**
* hooks add all action and filter hooks
* @since 0.6
* @return void
*/
public function hooks(){
// save user field
add_action( 'personal_options_update', array( $this,'save_extra_user_profile_fields' ));
add_action( 'edit_user_profile_update', array( $this,'save_extra_user_profile_fields' ));
// add user field
add_action( 'show_user_profile', array( $this,'extra_user_profile_fields' ));
add_action( 'edit_user_profile', array( $this,'extra_user_profile_fields' ));
//admin hack for region mapping
add_filter('parse_query', array( $this,'convert_id_to_term_in_query' ));
add_action('restrict_manage_posts', array( $this,'filter_post_type_by_taxonomy' ));
//region taxonomy CREATION
add_filter('init',array($this, 'create_regions_hierarchical_taxonomy'));
}
/**
* hooks add all action and filter hooks for admin side
*
* @since 0.7
* @return void
*/
public function adminHooks(){
//remove quick and bulk edit
global $pagenow;
if ('edit.php' == $pagenow)
add_action( 'admin_head-edit.php', array(&$this,'remove_quick_edit')); //add_action('admin_print_styles',array(&$this,'remove_quick_edit'));
//add region metabox
add_action( 'add_meta_boxes', array( $this, 'add_regions_meta_box' ) );
}
/**
* remove_quick_edit
* @author Ohad Raz
* @since 0.1
* @return void
*/
public function remove_quick_edit() {
global $current_user, $pagenow;
if ($pagenow != 'edit.php')
return;
$user_regions = get_user_meta($current_user->ID, '_author_regions', true);
if (!empty($user_regions) && count($user_regions) > 0) {
?>
<script type="text/javascript">
jQuery(document).ready( function($) {
$('.cat-checklist.regions-checklist').prev().prev().hide();
$('.cat-checklist.regions-checklist').hide();
});
</script>
<?php
}
// global $current_user;
// $user_regions = get_user_meta($current_user->ID, '_author_regions', true);
// if (!empty($user_regions) && count($user_regions) > 0) {
// echo '<style>.cat-checklist.regions-checklist{display: none!important;}</style>';
// }
}
/**
* Adds the meta box container
* @author Ohad Raz
* @since 0.1
*/
public function add_regions_meta_box(){
global $current_user;
get_currentuserinfo();
$reg_tax = get_user_meta($current_user->ID, '_author_regions', true);
if (!empty($reg_tax) && count($reg_tax) > 0){
//remove default metabox
remove_meta_box('regionsdiv', 'post', 'side');
//add user specific regions
add_meta_box(
'author_regions'
,__( 'Regions',$this->txtDomainReg )
,array( &$this, 'render_region_meta_box_content' )
,$this->txtPostType
,'side'
,'low'
);
}
}
/**
* Render Meta Box content
* @author Ohad Raz
* @since 0.1
* @return Void
*/
public function render_region_meta_box_content(){
global $current_user, $post;
$postRegionTerms = array();
get_currentuserinfo();
$regions = get_user_meta($current_user->ID,'_author_regions',true);
$regions = (array)$regions;
// Use nonce for verification
wp_nonce_field( plugin_basename( __FILE__ ), 'author_regions_noncename' );
if (!empty($regions) && count($regions) > 0){
if (count($regions) == 1){
$c = get_term( $regions[0], $this->taxRegions);
echo __('this will be posted in: <strong>',$this->txtDomainReg) . $c->name .__('</strong> Region',$this->txtDomainReg);
echo '<input name="tax_input[regions][]" type="hidden" value="'.$c->term_id.'">';
}else{
echo '<span style="color: #f00;">'.__('Make Sure you select only the regions you want: <strong>',$this->txtDomainReg).'</span><br />';
$options = get_option('author_regions_option');
//GETTING SAVED REGIONS OF A POST
$screen = get_current_screen();
if ($screen->parent_base == 'edit') {
$postRegions = wp_get_post_terms( $post->ID, $this->taxRegions);
if($postRegions){
foreach ($postRegions as $key => $region) {
$postRegionTerms[] = $region->term_id;
}
}
}
foreach($regions as $region ){
$c = get_term( $region, $this->taxRegions);
$checked = (in_array($region, $postRegionTerms))? ' checked="checked"' : '';
echo '<label><input name="tax_input[regions][]" type="checkbox"'.$checked.' value="'.$c->term_id.'"> '.$c->name .'</label><br />';
}
}
}
}
/**
* This will generate the regions field on the users profile
* @author Ohad Raz
* @since 0.1
* @param (object) $user
* @return void
*/
public function extra_user_profile_fields( $user ){
//only admin can see and save the regions
if ( !current_user_can( 'manage_options' ) ) { return false; }
global $current_user;
get_currentuserinfo();
if ($current_user->ID == $user->ID) { return false; }
$select = wp_dropdown_categories(array(
'orderby' => 'name',
'show_count' => 0,
'hierarchical' => 1,
'hide_empty' => 0,
'echo' => 0,
'taxonomy' => $this->taxRegions,
'name' => 'author_regions[]'));
$saved = get_user_meta($user->ID, '_author_regions', true );
foreach((array)$saved as $c){
$select = str_replace('value="'.$c.'"','value="'.$c.'" selected="selected"',$select);
}
$select = str_replace('<select','<select multiple="multiple"',$select);
echo '<h3>'.__('Author Regions', 'author_regions').'</h3>
<table class="form-table">
<tr>
<th><label for="author_regions">'.__('Regions',$this->txtDomainReg).'</label></th>
<td>
'.$select.'
<br />
<span class="description">'.__('Select a region to limit an author to post just in that region (use Crtl to select more then one).',$this->txtDomainReg).'</span>
</td>
</tr>
<tr>
<th><label for="author_regions_clear">'.__('Clear Regions',$this->txtDomainReg).'</label></th>
<td>
<input type="checkbox" name="author_regions_clear" value="1" />
<br />
<span class="description">'.__('Check if you want to clear the region limitation for this user.',$this->txtDomainReg).'</span>
</td>
</tr>
</table>';
}
/**
* This will save region field on the users profile
* @author Ohad Raz
* @since 0.1
* @param (int) $user_id
* @return VOID
*/
public function save_extra_user_profile_fields( $user_id ) {
//only admin can see and save the regions
if ( !current_user_can( 'manage_options') ) { return false; }
//AUTHOR REGION SETTINGS
update_user_meta( $user_id, '_author_regions', $_POST['author_regions'] );
if (isset($_POST['author_regions_clear']) && $_POST['author_regions_clear'] == 1)
delete_user_meta( $user_id, '_author_regions' );
}
/**
* CREATE REGIONS TAXONOMY
*/
public function create_regions_hierarchical_taxonomy() {
$labels = array(
'name' => _x('Regions', 'taxonomy general name'),
'singular_name' => _x('Region', 'taxonomy singular name'),
'search_items' => __('Search Regions'),
'all_items' => __('All Regions'),
'parent_item' => __('Parent Region'),
'parent_item_colon' => __('Parent Region:'),
'edit_item' => __('Edit Region'),
'update_item' => __('Update Region'),
'add_new_item' => __('Add New Region'),
'new_item_name' => __('New Region Name'),
'menu_name' => __('Regions'),
);
// Now register the taxonomy
register_taxonomy($this->taxRegions, array($this->txtPostType), array(
'hierarchical' => true,
'labels' => $labels,
'show_ui' => true,
'show_admin_column' => true,
'query_var' => true,
'rewrite' => array('slug' => 'region'),
));
}
/**
* Display a custom taxonomy dropdown in admin
* @author Mike Hemberger
*/
public function filter_post_type_by_taxonomy() {
global $typenow;
if ($typenow == $this->txtPostType) {
$selected = isset($_GET[$this->taxRegions]) ? $_GET[$this->taxRegions] : '';
$info_taxonomy = get_taxonomy($this->taxRegions);
//TO EXCLUDE UNWANTED TAXONOMY TERMS
$user_regions = array();
global $current_user;
$user_regions = get_user_meta($current_user->ID, '_author_regions', true);
$tax_dropdown = array(
'show_option_all' => __("All {$info_taxonomy->label}"),
'taxonomy' => $this->taxRegions,
'name' => $this->taxRegions,
'orderby' => 'name',
'selected' => $selected,
'include' => $user_regions,
'hide_empty' => false,
);
// CREATING THE ADMIN FILTER DROPDOWNS
wp_dropdown_categories($tax_dropdown);
}
}
/**
* Filter posts by taxonomy in admin
* @author Mike Hemberger
*/
public function convert_id_to_term_in_query($query) {
global $pagenow, $typenow, $current_user;
$q_vars = &$query->query_vars;
$user_regions = get_user_meta($current_user->ID, '_author_regions', true);
$selected_tax = ((isset($_GET[$this->taxRegions])) && ($_GET[$this->taxRegions] !=0)) ? $_GET[$this->taxRegions] : '';//DROPDOWN FILTER SELECT
$author_tax = isset($_GET['author']) ? $_GET['author'] : '';
$tax_slug = array();
if (($pagenow == 'edit.php') && ($typenow == $this->txtPostType) ) {
if (!$user_regions) { //ADMIN
$term = get_term_by('id', $selected_tax, $this->taxRegions);
$tax_slug[] = $term->slug;
} else { //OTHER USERS
$regTaxArray = ($selected_tax)? (explode(',', $selected_tax)) : $user_regions;
foreach ($regTaxArray as $key => $regTax) {
$term = get_term_by('id', $regTax, $this->taxRegions);
$tax_slug[] = $term->slug;
}
}
//TO UNSET AUTHOR PARAMETER FOR POST LISTING OF - "Mine"
if($author_tax){
unset($q_vars['author']);
$q_vars['author__in'] = explode(',', $author_tax);
}
}
$q_vars[$this->taxRegions] = implode(',', $tax_slug);
$selected_tax = isset($_GET[$this->taxRegions]) ? $_GET[$this->taxRegions] : '';
}
}//end class
}//end if
//initiate the class on admin pages only
if (is_admin()){
$ac = new region_author();
}
真正的问题是我从pre_get_posts过滤器设置query_vars的author__in参数。之后，它不会从主查询重置。
尝试了所有wp函数来重置查询。
它差点杀了我。任何帮助将受到高度赞赏。在此先感谢!!