WP_List_TableをWordPressページに追加する方法
私はWP_List_Tableを持っていて、それをページに追加したいのですが、検索したところ、これを実行する方法の例を見たことがありません。
<?php
/*
Plugin Name: Add Parl Plugin 2
Description: To add parliaments
Plugin URI:"http://www.ttparliaments.org"
Author URI: ""
Author: Napoleon Okunna
License: ""
Version: 1.0
*/
global $custom_table_example_db_version;
$custom_table_example_db_version = '1.1'; // version changed from 1.0 to 1.1
global $wpdb;
global $custom_table_example_db_version;
$table_name = $wpdb->prefix . 'oop_parliamentary_info'; // do not forget about tables prefix
/**
* PART 2. Defining Custom Table List
* ============================================================================
*
* In this part you are going to define custom table list class,
* that will display your database records in Nice looking table
*
* http://codex.wordpress.org/Class_Reference/WP_List_Table
* http://wordpress.org/extend/plugins/custom-list-table-example/
*/
if (!class_exists('WP_List_Table')) {
require_once(ABSPATH . 'wp-admin/includes/class-wp-list-table.php');
}
/**
* Custom_Table_Example_List_Table class that will display our custom table
* records in Nice table
*/
class Custom_Table_Example_List_Table extends WP_List_Table
{
/**
* [REQUIRED] You must declare constructor and give some basic params
*/
function __construct()
{
global $status, $page;
parent::__construct(array(
'singular' => 'person',
'plural' => 'persons',
));
}
/**
* [REQUIRED] this is a default column renderer
*
* @param $item - row (key, value array)
* @param $column_name - string (key)
* @return HTML
*/
function column_default($item, $column_name)
{
return $item[$column_name];
}
/**
* [OPTIONAL] this is example, how to render specific column
*
* method name must be like this: "column_[column_name]"
*
* @param $item - row (key, value array)
* @return HTML
*/
function column_age($item)
{
return '<em>' . $item['age'] . '</em>';
}
/**
* [OPTIONAL] this is example, how to render column with actions,
* when you hover row "Edit | Delete" links showed
*
* @param $item - row (key, value array)
* @return HTML
*/
function column_name($item)
{
// links going to /admin.php?page=[your_plugin_page][&other_params]
// notice how we used $_REQUEST['page'], so action will be done on curren page
// also notice how we use $this->_args['singular'] so in this example it will
// be something like &person=2
/*$actions = array(
'edit' => sprintf('<a href="?page=persons_form&id=%s">%s</a>', $item['id'], __('Edit', 'custom_table_example')),
'delete' => sprintf('<a href="?page=%s&action=delete&id=%s">%s</a>', $_REQUEST['page'], $item['id'], __('Delete', 'custom_table_example')),
);
return sprintf('%s %s',
$item['Title'],
$this->row_actions($actions)
);
*/
$actions = array(
'edit' => sprintf('<a href="?page=%s&action=%s&book=%s">Edit</a>',$_REQUEST['page'],'edit',$item['ParliamentaryID']),
'delete' => sprintf('<a href="?page=%s&action=%s&book=%s">Delete</a>',$_REQUEST['page'],'delete',$item['ParliamentaryID']),
);
return sprintf('%1$s %2$s', $item['booktitle'], $this->row_actions($actions) );
}
/**
* [REQUIRED] this is how checkbox column renders
*
* @param $item - row (key, value array)
* @return HTML
*/
function column_cb($item)
{
return sprintf(
'<input type="checkbox" name="id[]" value="%s" />',
$item['id']
);
}
/**
* [REQUIRED] This method return columns to display in table
* you can skip columns that you do not want to show
* like content, or description
*
* @return array
*/
function get_columns()
{
$columns = array(
'cb' => '<input type="checkbox" />', //Render a checkbox instead of text
'Title' => __('Title', 'custom_table_example'),
'StartDate' => __('StartDate', 'custom_table_example'),
'EndDate' => __('EndDate', 'custom_table_example'),
'IsCurrent' => __('IsCurrent', 'custom_table_example'),
// 'ParliamentaryID' => __('Edit', 'custom_table_example','<input type="checkbox" />'),
ParliamentaryID =>'<a href=#>Edit</a>',
);
return $columns;
}
/**
* [OPTIONAL] This method return columns that may be used to sort table
* all strings in array - is column names
* notice that true on name column means that its default sort
*
* @return array
*/
function get_sortable_columns()
{
$sortable_columns = array(
'Title' => array('Title', true),
'StartDate' => array('StartDate', false),
'EndDate' => array('EndDate', false),
'IsCurrent' => __('IsCurrent', false),
'ParliamentaryID'=> __('ParliamentaryID', false),
);
return $sortable_columns;
}
/**
* [OPTIONAL] Return array of bult actions if has any
*
* @return array
*/
function get_bulk_actions()
{
$actions = array(
'delete' => 'Delete',
'edit' =>'Edit'
);
return $actions;
}
/**
* [OPTIONAL] This method processes bulk actions
* it can be outside of class
* it can not use wp_redirect coz there is output already
* in this example we are processing delete action
* message about successful deletion will be shown on page in next part
*/
function process_bulk_action()
{
global $wpdb;
$table_name = $wpdb->prefix . 'cte'; // do not forget about tables prefix
if ('delete' === $this->current_action()) {
$ids = isset($_REQUEST['id']) ? $_REQUEST['id'] : array();
if (is_array($ids)) $ids = implode(',', $ids);
if (!empty($ids)) {
$wpdb->query("DELETE FROM $table_name WHERE id IN($ids)");
}
}
if ('Edit' === $this->current_action()) {
echo('Edit');
}
}
/**
* [REQUIRED] This is the most important method
*
* It will get rows from database and prepare them to be showed in table
*/
function prepare_items()
{
global $wpdb;
$table_name = $wpdb->prefix . 'cte'; // do not forget about tables prefix
$table_name='oop_parliamentary_info';
$per_page = 5; // constant, how much records will be shown per page
$columns = $this->get_columns();
$hidden = array();
$sortable = $this->get_sortable_columns();
// here we configure table headers, defined in our methods
$this->_column_headers = array($columns, $hidden, $sortable);
// [OPTIONAL] process bulk action if any
$this->process_bulk_action();
// will be used in pagination settings
$total_items = $wpdb->get_var("SELECT COUNT(ParliamentaryID) FROM $table_name");
// prepare query params, as usual current page, order by and order direction
$paged = isset($_REQUEST['paged']) ? max(0, intval($_REQUEST['paged']) - 1) : 0;
$orderby = (isset($_REQUEST['orderby']) && in_array($_REQUEST['orderby'], array_keys($this->get_sortable_columns()))) ? $_REQUEST['orderby'] : 'name';
$order = (isset($_REQUEST['order']) && in_array($_REQUEST['order'], array('asc', 'desc'))) ? $_REQUEST['order'] : 'asc';
// [REQUIRED] define $items array
// notice that last argument is ARRAY_A, so we will retrieve array
$this->items = $wpdb->get_results($wpdb->prepare("SELECT Title,StartDate,EndDate,ParliamentaryID FROM oop_parliamentary_info ", $per_page, $paged), ARRAY_A);
// $this->items = $wpdb->get_results($wpdb->prepare("SELECT Title,StartDate,EndDate FROM oop_parliamentary_info ORDER BY $orderby $order LIMIT 100 OFFSET 10 ", $per_page, $paged), ARRAY_A);
//echo(serialize($this->.);
//$this->column_name("StartDate");
//loop thorough this and fpormat
foreach ($this->items as $item ) {
static $row_class = '';
$row_class = ( $row_class == '' ? ' class="alternate"' : '' );
echo '<tr' . $row_class . '>';
// $this->single_row_columns( $item );
echo '</tr>';
}
// [REQUIRED] configure pagination
$this->set_pagination_args(array(
'total_items' => $total_items, // total items defined above
'per_page' => $per_page, // per page constant defined at top of method
'total_pages' => ceil($total_items / $per_page) // calculate pages count
));
}
function single_row_columns($item) {
list($columns, $hidden) = $this->get_column_info();
foreach ($columns as $column_name => $column_display_name) {
$class = "class='$column_name column-$column_name'";
$style = '';
if (in_array($column_name, $hidden))
$style = ' style="display:none;"';
$attributes = "$class$style";
if ('cb' == $column_name) {
echo "<td $attributes>";
// echo '<input type="checkbox" name="id[]" value="%s" />', $item['ID'];
echo "</td>";
}
elseif ('ParliamentaryID' == $column_name) {
echo "<td $attributes>";
//echo '<a href="#">', $item['ParliamentaryID'];
echo '<a href="#">', '';
echo "</a>";
echo "<div class='row-actions'><span class='edit'>";
echo sprintf('<a class="editParlRow" href="?page=%s&action=%s&gid=%s">Edit</a>',$_REQUEST['page'],'edit',$item['ParliamentaryID']);
echo "</span> | <span class='trash'>";
echo sprintf('<a href="?page=%s&action=%s&gid=%s">Delete</a>',$_REQUEST['page'],'delete',$item['ParliamentaryID']);
echo "</span></div></td>";
}
else {
echo "<td $attributes>";
echo $this->column_default( $item, $column_name );
echo "</td>";
} } }
}
あなたの WP_List_Table は違うでしょう - これは WP_List_Table - ステップバイステップガイド そしてGist： WP_List_Tableクラスの使用のためのサンプルプラグイン） から変更されました。= /フロントエンドにもCSSを含めるようにメソッドを調整したい（この回答には含まれていません）。
WARNING ：
このクラスは非公開としてマークされているため、このクラスは将来のWordPressリリースで変更される可能性があるため、開発者は自分の責任でそれを使用してください。このクラスを使用している開発者は、互換性を維持するためにすべてのWordPressベータ版/ RCリリースでプラグインをテストすることを強くお勧めします。
フロントエンドの準備
add_action ('init', function(){
// If we're not in back-end we didn't expect to load these things
if( ! is_admin() ){
require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );
require_once( ABSPATH . 'wp-admin/includes/screen.php' );
require_once( ABSPATH . 'wp-admin/includes/class-wp-screen.php' );
require_once( ABSPATH . 'wp-admin/includes/template.php' );
global $myListTable;
$myListTable = new My_Example_List_Table();
}
});
RENDER
function my_render_list_page(){
global $myListTable;
echo '</pre><div class="wrap"><h2>My List Table Test</h2>';
$myListTable->prepare_items();
?>
<form method="post">
<input type="hidden" name="page" value="ttest_list_table">
<?php
$myListTable->search_box( 'search', 'search_id' );
$myListTable->display();
echo '</form></div>';
}
あなたのページに
my_render_list_page();
推奨バージョン
function my_render_list_page(){
static $myListTable;
if( ! isset($myListTable)) {
require_once(ABSPATH . 'wp-admin/includes/class-wp-list-table.php');
require_once(ABSPATH . 'wp-admin/includes/screen.php');
require_once(ABSPATH . 'wp-admin/includes/class-wp-screen.php');
require_once(ABSPATH . 'wp-admin/includes/template.php');
$myListTable = new My_Example_List_Table();
}
echo '</pre><div class="wrap"><h2>My List Table Test</h2>';
$myListTable->prepare_items();
?>
<form method="post">
<input type="hidden" name="page" value="ttest_list_table">
<?php
$myListTable->search_box('search', 'search_id');
$myListTable->display();
echo '</form></div>';
}