MiraviaConnector/connector-miravia/classes/tables/class.table.php

<?php
if ( ! defined( 'ABSPATH' ) ) { exit; }

// WP_List_Table is not loaded automatically so we need to load it in our application
if( ! class_exists( 'WP_List_Table' ) ) {
    require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );
}

/**
 * Create a new table class that will extend the WP_List_Table
 */
class MiraviaTable extends WP_List_Table
{
    /**
     * Prepare the items for the table to process
     *
     * @return Void
     */
    public $data_table = array();
    public $total_elements = 0;

    public $perPage = 10;

    public $columns = [];

    public $custom_actions = [];

    public $sortable_custom_columns = [];

    public $default_column_name = 'name';

    function extra_tablenav( $which ) {
        // if ( $which == "top" ){
        //   echo '<h2>Letter Templates <a href="admin.php?page=letter-template&type=new">Add New</a></h2>';
        // }
    }

    public function prepare_items()
    {
        $hidden = $this->get_hidden_columns();
        $sortable = $this->get_sortable_columns();

        $data = $this->table_data();
        usort( $data, array( &$this, 'sort_data' ) );

        $perPage = $this->perPage;
        $currentPage = $this->get_pagenum();
        $totalItems = $this->total_elements;

        $this->set_pagination_args( array(
            'total_items' => $totalItems,
            'per_page'    => $perPage
        ) );

        $data = array_slice($data,(($currentPage-1)*$perPage),$perPage);

        $this->_column_headers = array($this->columns, $hidden, $sortable);
        $this->items = $data;
    }

    /**
     * Override the parent columns method. Defines the columns to use in your listing table
     *
     * @return Array
     */
    public function get_columns()
    {
        return $this->columns;
    }

    /**
     * Define which columns are hidden
     *
     * @return Array
     */
    public function get_hidden_columns()
    {
        return array();
    }

    /**
     * Define the sortable columns
     *
     * @return Array
     */
    public function get_sortable_columns()
    {

        $sortable = array();
        // if($this->total_elements and count($this->data_table) > 0) {

    
        //     foreach($this->data_table[0] as $k => $v) {
        //         $sortable[$k] = array($k, false);
        //     }
        // }
        return $this->sortable_custom_columns;
    }

    /**
     * Get the table data
     *
     * @return Array
     */
    private function table_data()
    {
        return $this->data_table;
    }

    /**
     * Define what data to show on each column of the table
     *
     * @param  Array $item        Data
     * @param  String $column_name - Current column name
     *
     * @return Mixed
     */
    public function column_default( $item, $column_name )
    {
       
        return $item[ $column_name ];
    }

    public function column_name($item){
        $item_json = json_decode(json_encode($item), true);
        $copy = $this->custom_actions;
        foreach($this->custom_actions as $k => $action) {
            foreach($item_json as $key => $d) {
                $action = str_replace("[".$key."]", $item_json[$key], $action);
            }
            $this->custom_actions[$k] = $action;
        }

        $result = sprintf('%s %s', $item_json[$this->default_column_name], $this->row_actions($this->custom_actions));
        $this->custom_actions = $copy;
        return $result;
    }

    /**
     * Allows you to sort the data by the variables set in the $_GET
     *
     * @return Mixed
     */
    private function sort_data( $a, $b )
    {
        // Set defaults
        $orderby = 'title';
        $order = 'asc';

        // If orderby is set, use this as the sort column
        if(!empty($_GET['orderby']))
        {
            $orderby = sanitize_text_field($_GET['orderby']);
        }

        // If order is set use this as the order
        if(!empty($_GET['order']))
        {
            $order = sanitize_text_field($_GET['order']);
        }
        $result = '';
        if(isset($a[$orderby])) {
            $result = strcmp( $a[$orderby], $b[$orderby] );
        }

        if($order === 'asc')
        {
            return $result;
        }

        return -$result;
    }
}