class-wpwsl-list-table.php

<?php

/* -------------------------------------------- *
 * Class Definition								*
 * -------------------------------------------- */

//This part is our very own WP_List_Table

class WPWSL_List_Table extends WP_List_Table
{

    private $rawData = [];
    private $found_data = [];

    public function __construct($data)
    {
        global $status, $page;
        $this->rawData = $data;
        parent::__construct([
            'singular' => 'tpl', //singular name of the listed records
            'plural' => 'tpls', //plural name of the listed records
            'ajax' => false        //does this table support ajax?
        ]);
    }

    public function no_items()
    {
        _e('No Item found.', 'WPWSL');
    }

    public function column_default($item, $column_name)
    {
        switch ($column_name)
        {
            case 'title':
            case 'type':
            case 'date':
            case 'trigger_by':
                return $item[$column_name];
            default:
                return print_r($item, true); //Show the whole array for troubleshooting purposes
        }
    }

    public function get_sortable_columns()
    {
        $sortable_columns = [
            'title' => [
                'title',
                false],
            'type' => [
                'type',
                false],
            'date' => [
                'date',
                false],
            'trigger_by' => [
                'trigger_by',
                false]
        ];
        return $sortable_columns;
    }

    public function get_columns()
    {
        $columns = [
            'cb' => '<input type="checkbox" />',
            'title' => __('Title', 'WPWSL'),
            'type' => __('Type', 'WPWSL'),
            'date' => __('Date', 'WPWSL'),
            'trigger_by' => __('Trigger by', 'WPWSL'),
        ];
        return $columns;
    }

    public function usort_reorder($a, $b)
    {
        // If no sort, default to title
        $orderby = (!empty($_GET['orderby']) ) ? $_GET['orderby'] : 'ID';
        // If no order, default to asc
        $order = (!empty($_GET['order']) ) ? $_GET['order'] : 'desc';
        // Determine sort order
        $result = strcmp($a[$orderby], $b[$orderby]);
        // Send final sort direction to usort
        return ( $order === 'asc' ) ? $result : -$result;
    }

    public function column_title($item)
    {
        $actions = [
            'edit' => sprintf('<a href="' . menu_page_url(WPWSL_GENERAL_PAGE, false) . '&edit=%s">' . __('Edit', 'WPWSL') . '</a>', $item['ID']),
            'delete' => sprintf('<a href="' . menu_page_url(WPWSL_GENERAL_PAGE, false) . '&delete=%s">' . __('Delete', 'WPWSL') . '</a>', $item['ID']),
        ];

        return sprintf('%1$s %2$s', $item['title'], $this->row_actions($actions));
    }

    public function get_bulk_actions()
    {
        $actions = [
            'delete' => __('Delete', 'WPWSL')
        ];
        return $actions;
    }

//	public function process_bulk_action() {
//
//	    if ( 'delete' === $this->current_action() ) {
//	    	if(isset($_GET['tpl'])){
//		        foreach($_GET['tpl'] as $tpl){
//		        	foreach($this->rawData as $key=>$dt){
//		        		if($dt['ID']==$tpl){
//		        			unset($this->rawData[$key]);
//		        		}
//		        	}
//
//		        }
//	        }
//	    }
//	}

    public function column_cb($item)
    {
        return sprintf(
            '<input type="checkbox" name="tpl[]" value="%s" />', $item['ID']
        );
    }

    public function extra_tablenav($which)
    {
        if ($which == "top") {
            //The code that goes before the table is here
            //echo 'top';
        }
        if ($which == "bottom") {
            //The code that goes after the table is there
            //echo 'bottom';
        }
    }

    public function prepare_items()
    {
        //$this->process_bulk_action();
        $columns = $this->get_columns();
        $hidden = [];
        $sortable = $this->get_sortable_columns();
        $this->_column_headers = [
            $columns,
            $hidden,
            $sortable];
        usort($this->rawData, [
            $this,
            'usort_reorder']);
        $per_page = 100;
        $current_page = $this->get_pagenum();

        $total_items = count($this->rawData);

        // only ncessary because we have sample data
        $current_page_idx = ( $current_page - 1 ) * $per_page;
        $this->found_data = array_slice($this->rawData, $current_page_idx, $per_page);

        $this->set_pagination_args([
            '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 = $this->found_data;
    }

}