<?php

/** This plugin replaces bytes sizes in tables list with human-readable sizes.
 * Original sizes are set to the title=""
 *
 * @link    https://www.adminer.org/plugins/#use
 * @author  Anonymous
 * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
 * @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
 */

class AdminerReadableTableSize
{
	/** @access protected */
	var $prepend;

	function __construct()
	{
		$this->prepend = <<<EOT
function AdminerReadableTableSizeConvert(a,b){if(0==a)return"0 Bytes";var c=1024,d=b||2,e=["Bytes","KB","MB","GB","TB","PB","EB","ZB","YB"],f=Math.floor(Math.log(a)/Math.log(c));return parseFloat((a/Math.pow(c,f)).toFixed(d))+" "+e[f]}
function AdminerReadableTableSize(field) {
	var rows = document.querySelectorAll('[id*="'+field+'"]');
	for (var i = 0; i < rows.length; i++) {
		var row = rows[i];
		var bytes = row.innerText.replace(/,/g, '');
		var sized = '-';
		if (bytes > 0) {
			sized = AdminerReadableTableSizeConvert(bytes, 2);
		}
		row.title = row.title+' [' + row.innerText + ' Bytes]';
		row.innerText = sized;
	}
}
document.addEventListener('DOMContentLoaded', function(event) {
	setTimeout(function() {
		AdminerReadableTableSize('Data_length');
		AdminerReadableTableSize('Index_length');
		AdminerReadableTableSize('Data_free');
	}, 500);
});

EOT;
	}

	function head()
	{
		echo script($this->prepend);
	}

}