1) Tạo plugin
Code: Select all
<?php
/**
* Name: My shortcode data list table
* Description: My shortcode data list table
* Version: 1.0.0
* Author: Tran Thi Hoang Lan
**/
if (!defined( 'MY_DATA_LIST_TABLE_PLUGIN' ) )
define('MY_DATA_LIST_TABLE_PLUGIN', __FILE__);
require plugin_dir_path( __FILE__ ) . 'my-plugin-loader.php';
function custom_shortcode(){
echo("---custom shortcode 1 ---");
$plugin_loader = new My_Plugin_Loader();
$plugin_loader->run();
echo do_shortcode("[data_table_list_transcript]");
}
add_shortcode("my_shortcode_1", "custom_shortcode");
Hook của my_shortcode_1 sẽ gọi My_Plugin_Loader
2) My_Plugin_Loader
Code: Select all
<?php
/**
* Name: The file that defines the core plugin class
*
* A class definition that includes attributes and functions used across both the
* public-facing side of the site and the admin area.
* Version: 1.0
*/
/**
* The core plugin class.
*
* This is used to define internationalization, admin-specific hooks, and
* public-facing site hooks.
*
* Also maintains the unique identifier of this plugin as well as the current
* version of the plugin.
* @since 1.0.0
* @author Lan Tran
*/
class My_Plugin_Loader {
/**
* The loader that's responsible for maintaining and registering all hooks that power
* the plugin.
*
* @since 1.0.0
* @access protected
* @var Plugin_Loader $loader Maintains and registers all hooks for the plugin.
*/
protected $loader;
/**
* The unique identifier of this plugin.
*
* @since 1.0.0
* @access protected
* @var string $plugin_name The string used to uniquely identify this plugin.
*/
protected $plugin_name;
/**
* The current version of the plugin.
*
* @since 1.0.0
* @access protected
* @var string $version The current version of the plugin.
*/
protected $version;
/**
* Define the core functionality of the plugin.
*
* Set the plugin name and the plugin version that can be used throughout the plugin.
* Load the dependencies, define the locale, and set the hooks for the admin area and
* the public-facing side of the site.
*
* @since 1.0.0
*/
public function __construct() {
$plugin_data = get_file_data(MY_DATA_LIST_TABLE_PLUGIN, array('Version' => 'Version', 'Plugin Name' => 'Name'), false);
$plugin_version = $plugin_data['Version'];
$plugin_name = $plugin_data['Plugin Name'];
if ( defined( 'PLUGIN_VERSION' ) ) {
$this->version = PLUGIN_VERSION;
} else {
$this->version = $plugin_version;
}
$this->plugin_name = $plugin_name;
$this->load_dependencies();
$this->define_public_hooks();
}
/**
* Load the required dependencies for this plugin.
*
* Include the following files that make up the plugin:
*
* - Plugin_Loader. Orchestrates the hooks of the plugin.
* - Plugin_i18n. Defines internationalization functionality.
* - Plugin_Admin. Defines all hooks for the admin area.
* - Plugin_Public. Defines all hooks for the public side of the site.
*
* Create an instance of the loader which will be used to register the hooks
* with WordPress.
*
* @since 1.0.0
* @access private
*/
private function load_dependencies() {
require_once 'class-plugin-loader.php';
require_once 'class-plugin-public.php';
require_once 'my-table-list.php';
$this->loader = new Plugin_Loader();
}
/**
* Register all of the hooks related to the public-facing functionality
* of the plugin.
*
* @since 1.0.0
* @access private
*/
private function define_public_hooks() {
$plugin_public = new Plugin_Public( $this->get_plugin_name(), $this->get_version() );
//$this->loader->add_action( 'wp_enqueue_scripts', $plugin_public, 'enqueue_styles' );
//$this->loader->add_action( 'wp_enqueue_scripts', $plugin_public, 'enqueue_scripts' );
//$this->loader->add_action( 'wp_loaded', $plugin_public, 'other_actions' );
$plugin_public->other_actions();
}
/**
* Run the loader to execute all of the hooks with WordPress.
*
* @since 1.0.0
*/
public function run() {
$this->loader->run();
do_action('after_my_plugin_loader');
}
/**
* The name of the plugin used to uniquely identify it within the context of
* WordPress and to define internationalization functionality.
*
* @since 1.0.0
* @return string The name of the plugin.
*/
public function get_plugin_name() {
return $this->plugin_name;
}
/**
* The reference to the class that orchestrates the hooks with the plugin.
*
* @since 1.0.0
* @return Plugin_Loader Orchestrates the hooks of the plugin.
*/
public function get_loader() {
return $this->loader;
}
/**
* Retrieve the version number of the plugin.
*
* @since 1.0.0
* @return string The version number of the plugin.
*/
public function get_version() {
return $this->version;
}
}
$this->load_dependencies(); các file cần dùng và gọi Plugin_Loader
$this->define_public_hooks(); sẽ gọi tiếp tới Plugin_Public > other_actions
3) Plugin_Loader
Code: Select all
<?php
/**
* Register all actions and filters for the plugin.
*
* Maintain a list of all hooks that are registered throughout
* the plugin, and register them with the WordPress API. Call the
* run function to execute the list of actions and filters.
*
*/
class Plugin_Loader {
/**
* The array of actions registered with WordPress.
*
* @since 1.0.0
* @access protected
* @var array $actions The actions registered with WordPress to fire when the plugin loads.
*/
protected $actions;
/**
* The array of filters registered with WordPress.
*
* @since 1.0.0
* @access protected
* @var array $filters The filters registered with WordPress to fire when the plugin loads.
*/
protected $filters;
/**
* Initialize the collections used to maintain the actions and filters.
*
* @since 1.0.0
*/
public function __construct() {
var_dump("Plugin_Loader");
$this->actions = array();
$this->filters = array();
}
/**
* Add a new action to the collection to be registered with WordPress.
*
* @since 1.0.0
* @param string $hook The name of the WordPress action that is being registered.
* @param object $component A reference to the instance of the object on which the action is defined.
* @param string $callback The name of the function definition on the $component.
* @param int $priority Optional. The priority at which the function should be fired. Default is 10.
* @param int $accepted_args Optional. The number of arguments that should be passed to the $callback. Default is 1.
*/
public function add_action( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) {
var_dump( $hook, $component, $callback, $priority, $accepted_args );
$this->actions = $this->add( $this->actions, $hook, $component, $callback, $priority, $accepted_args );
}
/**
* Add a new filter to the collection to be registered with WordPress.
*
* @since 1.0.0
* @param string $hook The name of the WordPress filter that is being registered.
* @param object $component A reference to the instance of the object on which the filter is defined.
* @param string $callback The name of the function definition on the $component.
* @param int $priority Optional. The priority at which the function should be fired. Default is 10.
* @param int $accepted_args Optional. The number of arguments that should be passed to the $callback. Default is 1
*/
public function add_filter( $hook, $component, $callback, $priority = 10, $accepted_args = 1 ) {
$this->filters = $this->add( $this->filters, $hook, $component, $callback, $priority, $accepted_args );
}
/**
* A utility function that is used to register the actions and hooks into a single
* collection.
*
* @since 1.0.0
* @access private
* @param array $hooks The collection of hooks that is being registered (that is, actions or filters).
* @param string $hook The name of the WordPress filter that is being registered.
* @param object $component A reference to the instance of the object on which the filter is defined.
* @param string $callback The name of the function definition on the $component.
* @param int $priority The priority at which the function should be fired.
* @param int $accepted_args The number of arguments that should be passed to the $callback.
* @return array The collection of actions and filters registered with WordPress.
*/
private function add( $hooks, $hook, $component, $callback, $priority, $accepted_args ) {
$hooks[] = array(
'hook' => $hook,
'component' => $component,
'callback' => $callback,
'priority' => $priority,
'accepted_args' => $accepted_args
);
return $hooks;
}
/**
* Register the filters and actions with WordPress.
*
* @since 1.0.0
*/
public function run() {
foreach ( $this->filters as $hook ) {
add_filter( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] );
}
foreach ( $this->actions as $hook ) {
add_action( $hook['hook'], array( $hook['component'], $hook['callback'] ), $hook['priority'], $hook['accepted_args'] );
}
}
}
Code: Select all
<?php
/**
* The public-facing functionality of the plugin.
*
* Defines the plugin name, version, and two examples hooks for how to
* enqueue the public-facing stylesheet and JavaScript.
*
*/
class Plugin_Public {
/**
* The ID of this plugin.
*
* @since 1.0.0
* @access private
* @var string $plugin_name The ID of this plugin.
*/
private $plugin_name;
/**
* The version of this plugin.
*
* @since 1.0.0
* @access private
* @var string $version The current version of this plugin.
*/
private $version;
/**
* Initialize the class and set its properties.
*
* @since 1.0.0
* @param string $plugin_name The name of the plugin.
* @param string $version The version of this plugin.
*/
public function __construct( $plugin_name, $version ) {
$this->plugin_name = $plugin_name;
$this->version = $version;
}
/**
* Register the stylesheets for the public-facing side of the site.
*
* @since 1.0.0
*/
public function enqueue_styles() {
/**
* This function is provided for demonstration purposes only.
*
* An instance of this class should be passed to the run() function
* defined in Elementlms_Learning_Plans_Loader as all of the hooks are defined
* in that particular class.
*
* The Elementlms_Learning_Plans_Loader will then create the relationship
* between the defined hooks and the functions defined in this
* class.
*/
wp_enqueue_style( $this->plugin_name, plugin_dir_url( __FILE__ ) . 'css/elementlms-learning-plans-public.css', array(), $this->version, 'all' );
}
/**
* Register the JavaScript for the public-facing side of the site.
*
* @since 1.0.0
*/
public function enqueue_scripts() {
/**
* This function is provided for demonstration purposes only.
*
* An instance of this class should be passed to the run() function
* defined in Elementlms_Learning_Plans_Loader as all of the hooks are defined
* in that particular class.
*
* The Elementlms_Learning_Plans_Loader will then create the relationship
* between the defined hooks and the functions defined in this
* class.
*/
wp_enqueue_script( $this->plugin_name, plugin_dir_url( __FILE__ ) . 'js/elementlms-learning-plans-public.js', array( 'jquery' ), $this->version, false );
}
/**
* This function loads other actions for the front-end part of the plugin
*
* @since 1.0.1
*/
public function other_actions() {
$myListTable = new My_Example_List_Table();
add_shortcode('data_table_list_transcript', array($myListTable, 'data_table_list_frontend'));
}
}
data_table_list_transcript hook sẽ gọi My_Example_List_Table > data_table_list_frontend
5) My_Example_List_Table
Code: Select all
<?php
/*
Plugin Name: Test List Table Example
*/
if ( ! class_exists( 'WP_List_Table' ) ) {
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' );
}
class My_Example_List_Table extends WP_List_Table {
var $example_data = array(
array( 'ID' => 1,'booktitle' => 'Quarter Share', 'author' => 'Nathan Lowell',
'isbn' => '978-0982514542' ),
array( 'ID' => 2, 'booktitle' => '7th Son: Descent','author' => 'J. C. Hutchins',
'isbn' => '0312384378' ),
array( 'ID' => 3, 'booktitle' => 'Shadowmagic', 'author' => 'John Lenahan',
'isbn' => '978-1905548927' ),
array( 'ID' => 4, 'booktitle' => 'The Crown Conspiracy', 'author' => 'Michael J. Sullivan',
'isbn' => '978-0979621130' ),
array( 'ID' => 5, 'booktitle' => 'Max Quick: The Pocket and the Pendant', 'author' => 'Mark Jeffrey',
'isbn' => '978-0061988929' ),
array('ID' => 6, 'booktitle' => 'Jack Wakes Up: A Novel', 'author' => 'Seth Harwood',
'isbn' => '978-0307454355' )
);
function __construct(){
global $status, $page;
parent::__construct( array(
'singular' => __( 'book', 'mylisttable' ), //singular name of the listed records
'plural' => __( 'books', 'mylisttable' ), //plural name of the listed records
'ajax' => false //does this table support ajax?
) );
add_action( 'admin_head', array( &$this, 'admin_header' ) );
}
function admin_header() {
$page = ( isset($_GET['page'] ) ) ? esc_attr( $_GET['page'] ) : false;
if( 'my_list_test' != $page )
return;
echo '<style type="text/css">';
echo '.wp-list-table .column-id { width: 5%; }';
echo '.wp-list-table .column-booktitle { width: 40%; }';
echo '.wp-list-table .column-author { width: 35%; }';
echo '.wp-list-table .column-isbn { width: 20%;}';
echo '</style>';
}
function no_items() {
_e( 'No books found, dude.' );
}
function column_default( $item, $column_name ) {
switch( $column_name ) {
case 'booktitle':
case 'author':
case 'isbn':
return $item[ $column_name ];
default:
return print_r( $item, true ) ; //Show the whole array for troubleshooting purposes
}
}
function get_sortable_columns() {
$sortable_columns = array(
'booktitle' => array('booktitle',false),
'author' => array('author',false),
'isbn' => array('isbn',false)
);
return $sortable_columns;
}
function get_columns(){
$columns = array(
'cb' => '<input type="checkbox" />',
'booktitle' => __( 'Title', 'mylisttable' ),
'author' => __( 'Author', 'mylisttable' ),
'isbn' => __( 'ISBN', 'mylisttable' )
);
return $columns;
}
function usort_reorder( $a, $b ) {
// If no sort, default to title
$orderby = ( ! empty( $_GET['orderby'] ) ) ? $_GET['orderby'] : 'booktitle';
// If no order, default to asc
$order = ( ! empty($_GET['order'] ) ) ? $_GET['order'] : 'asc';
// Determine sort order
$result = strcmp( $a[$orderby], $b[$orderby] );
// Send final sort direction to usort
return ( $order === 'asc' ) ? $result : -$result;
}
function column_booktitle($item){
$actions = array(
'edit' => sprintf('<a href="?page=%s&action=%s&book=%s">Edit</a>',$_REQUEST['page'],'edit',$item['ID']),
'delete' => sprintf('<a href="?page=%s&action=%s&book=%s">Delete</a>',$_REQUEST['page'],'delete',$item['ID']),
);
return sprintf('%1$s %2$s', $item['booktitle'], $this->row_actions($actions) );
}
function get_bulk_actions() {
$actions = array(
'delete' => 'Delete'
);
return $actions;
}
function column_cb($item) {
return sprintf(
'<input type="checkbox" name="book[]" value="%s" />', $item['ID']
);
}
function prepare_items() {
$columns = $this->get_columns();
$hidden = array();
$sortable = $this->get_sortable_columns();
$this->_column_headers = array( $columns, $hidden, $sortable );
usort( $this->example_data, array( &$this, 'usort_reorder' ) );
$per_page = 5;
$current_page = $this->get_pagenum();
$a = [array('a'=>1),array('b'=>1),array('c'=>1),array('d'=>1)];
$found_data = [];
$found_data = array_slice( $this->example_data, 0,$per_page );
$total_items = count( $this->example_data );
// only ncessary because we have sample data
$found_data = array_slice( $this->example_data,( ( $current_page-1 )* $per_page ), $per_page );
//$found_data = array_slice( $this->example_data, $per_page );
$this->set_pagination_args( array(
'total_items' => $total_items, //WE have to calculate the total number of items
'per_page' => $per_page //WE have to determine how many items to show on a page
) );
$this->items = $found_data;
//$this->items = $this->example_data;
}
/**
* This function will display the data table listing on the front-end via a shortcode
*
* @return void
*/
public function data_table_list_frontend() {
$option = 'per_page';
$args = array(
'label' => 'Books',
'default' => 4,
'option' => 'books_per_page'
);
add_screen_option( $option, $args );
$this->prepare_items();
?>
<form method="post">
<input type="hidden" name="page" value="ttest_list_table">
<?php
$this->search_box( 'search', 'search_id' );
$this->display();
?>
</form>
<?php
}
} //class
