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<?php |
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/** |
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* The main plugin file for Posts Table with Search & Sort. |
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* |
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* @package Posts_Data_Table |
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* @author Andrew Keith <andy@barn2.co.uk> |
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* @license GPL-2.0+ |
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* @link http://barn2.co.uk |
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* @copyright 2016 Barn2 Media |
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* |
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* @wordpress-plugin |
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* Plugin Name: Posts Table with Search & Sort |
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* Description: This plugin provides a shortcode to show a list of your site's posts in a searchable and sortable table. |
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* Version: 1.0.2 |
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* Author: Barn2 Media |
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* Author URI: http://barn2.co.uk |
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* Text Domain: posts-data-table |
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* Domain Path: /languages |
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* License: GPL-2.0+ |
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* License URI: http://www.gnu.org/licenses/gpl-2.0.txt |
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*/ |
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|
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// Prevent direct file access |
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if ( ! defined ( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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class Posts_Data_Table_Plugin { |
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|
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private $shortcode = 'posts_data_table'; |
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|
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private $shortcode_defaults = array( |
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'columns' => 'title,content,date,author,category', |
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'rows_per_page' => 20, |
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'sort_by' => 'date', |
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'sort_order' => '', |
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'category' => '', |
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'search_on_click' => true, |
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'wrap' => true, |
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'content_length' => 15, |
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'scroll_offset' => 15 |
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); |
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|
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private $table_count = 1; |
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|
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public function __construct() { |
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|
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// Load the text domain - should go on 'plugins_loaded' hook |
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add_action( 'plugins_loaded', array( $this, 'load_textdomain' ) ); |
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|
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// Register shortcode |
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add_shortcode( $this->shortcode, array( $this, 'shortcode' ) ); |
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|
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// Register styles and scripts |
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add_action( 'wp_enqueue_scripts', array( $this, 'register_styles' ) ); |
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add_action( 'wp_enqueue_scripts', array( $this, 'register_scripts' ) ); |
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} |
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|
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public function load_textdomain() { |
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load_plugin_textdomain( 'posts-data-table', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' ); |
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} |
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|
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public function register_styles() { |
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wp_enqueue_style( 'posts-data-table', plugins_url( 'assets/css/posts-data-table.min.css', __FILE__ ) ); |
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//wp_enqueue_style( 'data-tables-plugin', plugins_url( 'assets/css/datatables.css', __FILE__ ) ); |
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//wp_enqueue_style( 'posts-data-table', plugins_url( 'assets/css/posts-data-table.css', __FILE__ ), array( 'data-tables-plugin' ) ); |
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} |
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|
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public function register_scripts() { |
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wp_enqueue_script( 'posts-data-table', plugins_url( 'assets/js/posts-data-table.min.js', __FILE__ ), array( 'jquery' ), false, true ); |
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//wp_enqueue_script( 'data-tables-plugin', plugins_url( 'assets/js/datatables.js', __FILE__ ), array( 'jquery' ), false, true ); |
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//wp_enqueue_script( 'posts-data-table', plugins_url( 'assets/js/posts-data-table.js', __FILE__ ), array( 'data-tables-plugin' ), false, true ); |
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|
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$locale = get_locale(); |
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$supported_locales = $this->get_supported_locales(); |
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|
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// Add language file to script if locale is supported (English file is not added as this is the default language) |
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if ( array_key_exists( $locale, $supported_locales ) ) { |
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wp_localize_script( 'pdt-script', 'posts_data_table', array( |
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'langurl' => $supported_locales[$locale] |
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) ); |
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} |
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} |
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|
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/** |
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* Handles our posts data table shortcode. |
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* |
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* @param array $atts The attributes passed in to the shortcode |
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* @param string $content The content passed to the shortcode (not used) |
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* @return string The shortcode output |
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*/ |
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public function shortcode( $atts, $content = '' ) { |
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$atts = shortcode_atts( $this->shortcode_defaults, $atts, $this->shortcode ); |
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return $this->get_posts_data_table( $atts ); |
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} |
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|
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/** |
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* Returns an array of locales supported by the plugin. |
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* The array returned uses the locale as the array key mapped to the URL of the corresponding translation file. |
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* |
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* @return array The supported locales |
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*/ |
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private function get_supported_locales() { |
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$lang_file_base_url = plugins_url( 'languages/data-tables/', __FILE__ ); |
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|
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return array( |
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'es_ES' => $lang_file_base_url . 'Spanish.json', |
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'fr_FR' => $lang_file_base_url . 'French.json', |
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'de_DE' => $lang_file_base_url . 'German.json', |
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); |
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} |
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|
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/** |
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* Retrieves a data table containing a list of posts based on the specified arguments. |
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* |
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* @param array $args An array of options used to display the posts table |
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* @return string The posts table HTML output |
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*/ |
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private function get_posts_data_table( $args ) { |
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|
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if ( empty( $args['columns'] ) ) { |
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$args['columns'] = $this->shortcode_defaults['columns']; |
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} |
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|
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$args['rows_per_page'] = filter_var( $args['rows_per_page'], FILTER_VALIDATE_INT ); |
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if ( ($args['rows_per_page'] < 1) || !$args['rows_per_page'] ) { |
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$args['rows_per_page'] = false; |
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} |
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|
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if ( !in_array( $args['sort_by'], array('id', 'title', 'category', 'date', 'author', 'content') ) ) { |
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$args['sort_by'] = $this->shortcode_defaults['sort_by']; |
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} |
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|
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if ( !in_array( $args['sort_order'], array('asc', 'desc') ) ) { |
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$args['sort_order'] = $this->shortcode_defaults['sort_order']; |
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} |
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|
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// Set default sort direction |
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if ( !$args['sort_order'] ) { |
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if ( $args['sort_by'] === 'date' ) { |
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$args['sort_order'] = 'desc'; |
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} else { |
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$args['sort_order'] = 'asc'; |
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} |
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} |
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|
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$args['search_on_click'] = filter_var( $args['search_on_click'], FILTER_VALIDATE_BOOLEAN ); |
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$args['wrap'] = filter_var( $args['wrap'], FILTER_VALIDATE_BOOLEAN ); |
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$args['content_length'] = filter_var( $args['content_length'], FILTER_VALIDATE_INT ); |
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$args['scroll_offset'] = filter_var( $args['scroll_offset'], FILTER_VALIDATE_INT ); |
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|
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$date_format = 'Y/m/d'; |
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$output = $table_head = $table_body = $body_row_fmt = ''; |
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|
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// Start building the args needed for our posts query |
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$post_args = array( |
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'post_type' => 'post', |
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'posts_per_page' => -1, |
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'post_status' => 'publish', |
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'suppress_filters' => false // Ensure WPML filters run on this query |
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); |
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|
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if ( $args['category'] ) { |
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$category = get_category_by_slug( $args['category'] ); |
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|
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if ( $category ) { |
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$post_args['category_name'] = $category->slug; |
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} |
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} |
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|
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// Get all published posts in the current language |
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$all_posts_curr_lang = get_posts( $post_args ); |
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|
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if ( is_array( $all_posts_curr_lang ) && $all_posts_curr_lang ) { // if we have posts |
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|
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/* Define an array of all possible columns. |
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* Priority values are used to determine visiblity at small screen sizes (1 = highest priority, 6 = lowest priority). |
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* Column widths are automatically calculated by DataTables, but can be overridden by applying a filter to this array. |
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*/ |
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$all_columns = apply_filters( 'posts_data_table_column_defaults', array( |
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'id' => array( |
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'heading' => __('ID', 'posts-data-table'), |
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'priority' => 3, |
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'width' => '' |
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), |
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'title' => array( |
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'heading' => __('Title', 'posts-data-table'), |
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'priority' => 1, |
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'width' => '' |
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), |
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'category' => array( |
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'heading' => __('Categories', 'posts-data-table'), |
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'priority' => 6, |
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'width' => '' |
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), |
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'date' => array( |
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'heading' => __('Date', 'posts-data-table'), |
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'priority' => 2, |
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'width' => '' |
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), |
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'author' => array( |
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'heading' => __('Author', 'posts-data-table'), |
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'priority' => 4, |
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'width' => '' |
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), |
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'content' => array( |
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'heading' => __('Content', 'posts-data-table'), |
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'priority' => 5, |
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'width' => '' |
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), |
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) ); |
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|
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$all_column_keys = array_keys( $all_columns ); |
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|
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// Get the columns to be used in this table |
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$columns = array_map( 'trim', explode( ',', strtolower( $args['columns'] ) ) ); |
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|
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// If none of the user-specfied columns are valid, use the default columns instead |
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if ( !array_intersect($all_column_keys, $columns) ) { |
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$columns = explode( ',', $this->shortcode_defaults['columns'] ); |
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} |
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|
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// Build table header |
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$heading_fmt = '<th data-name="%1$s" data-priority="%2$u" data-width="%3$s">%4$s</th>'; |
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$cell_fmt = '<td>%s</td>'; |
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|
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foreach( $columns as $column ) { |
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if ( in_array($column, $all_column_keys) ) { // Double-check column name is valid |
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|
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// Add heading to table |
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$table_head .= sprintf( $heading_fmt, $column, $all_columns[$column]['priority'], $all_columns[$column]['width'], $all_columns[$column]['heading'] ); |
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|
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// Add placeholder to table body format string so that content for this column is included in table |
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$body_row_fmt .= sprintf($cell_fmt, $column); |
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} |
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} |
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|
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$sort_column = $args['sort_by']; |
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$sort_index = array_search( $sort_column, $columns ); |
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|
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if ( $sort_index === false ) { |
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// Sort column is not in list of displayed columns so we'll add it as a hidden column at end of table |
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$table_head .= sprintf( '<th data-name="%1$s" data-visible="false">%2$s</th>', $sort_column, $all_columns[$sort_column]['heading'] ); |
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|
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// Make sure data for this column is included in table content |
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$body_row_fmt .= sprintf($cell_fmt, $sort_column); |
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|
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// Set the sort column index to be this hidden column |
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$sort_index = count($columns); |
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} |
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|
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$table_head = sprintf( '<thead><tr>%s</tr></thead>', $table_head ); |
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// end table header |
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|
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// Build table body |
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$body_row_fmt = '<tr>' . $body_row_fmt . '</tr>'; |
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|
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// Loop through posts and add a row for each |
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foreach ( (array) $all_posts_curr_lang as $_post ) { |
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setup_postdata( $_post ); |
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|
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// Format title |
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$title = sprintf( '<a href="%1$s">%2$s</a>', get_permalink($_post), get_the_title( $_post ) ); |
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|
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// Format author |
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$author = sprintf( |
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'<a href="%1$s" title="%2$s" rel="author">%3$s</a>', |
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esc_url( get_author_posts_url( $_post->post_author ) ), |
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esc_attr( sprintf( __( 'Posts by %s' ), get_the_author() ) ), |
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get_the_author() |
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); |
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|
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$all_post_data = array( |
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'id' => $_post->ID, |
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'title' => $title, |
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'category' => get_the_category_list( ', ', '', $_post->ID ), |
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'date' => get_the_date( $date_format, $_post ), |
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'author' => $author, |
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'content' => $this->get_post_content( $args['content_length'] ) |
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); |
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$table_body .= str_replace( $all_column_keys, $all_post_data, $body_row_fmt ); |
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|
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} // foreach post |
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|
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wp_reset_postdata(); |
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|
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$table_body = sprintf( '<tbody>%s</tbody>', $table_body ); |
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// end table body |
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|
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$paging_attr = 'false'; |
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if ( ( $args['rows_per_page'] > 1 ) && ( $args['rows_per_page'] < count($all_posts_curr_lang) ) ) { |
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$paging_attr = 'true'; |
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} |
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|
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$order_attr = sprintf( '[[%u, "%s"]]', $sort_index, $args['sort_order'] ); |
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$offset_attr = ( $args['scroll_offset'] === false ) ? 'false' : $args['scroll_offset']; |
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|
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$table_class = 'posts-data-table'; |
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if ( !$args['wrap'] ) { |
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$table_class .= ' nowrap'; |
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} |
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|
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$output = sprintf( |
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'<table ' |
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. 'id="posts-table-%1$u" ' |
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. 'class="%2$s" ' |
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. 'data-page-length="%3$u" ' |
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. 'data-paging="%4$s" ' |
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. 'data-order=\'%5$s\' ' |
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. 'data-click-filter="%6$s" ' |
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. 'data-scroll-offset="%7$s" ' |
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. 'cellspacing="0" width="100%%">' |
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. '%8$s%9$s' . |
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'</table>', |
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$this->table_count, |
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esc_attr( $table_class ), |
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esc_attr( $args['rows_per_page'] ), |
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esc_attr( $paging_attr ), |
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esc_attr( $order_attr ), |
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( $args['search_on_click'] ? 'true' : 'false' ), |
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esc_attr( $offset_attr ), |
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$table_head, |
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$table_body |
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); |
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|
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$this->table_count++; |
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} // if posts found |
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|
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return $output; |
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} // get_comments_list |
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|
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/** |
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* Retrieve the post content, truncated to the number of words specified by $num_words. |
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* |
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* Must be called with the Loop or a secondary loop after a call to setup_postdata(). |
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* |
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* @param int $num_words The number of words to trim the content to |
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* @return string The (truncated) post content |
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*/ |
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private function get_post_content( $num_words = 15 ) { |
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$text = get_the_content(''); |
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$text = strip_shortcodes( $text ); |
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$text = apply_filters( 'the_content', $text ); |
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$text = wp_trim_words( $text, $num_words, ' …' ); |
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return $text; |
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} |
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|
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} // end class |
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$posts_data_table = new Posts_Data_Table_Plugin(); |
