<?php

/**

* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)

* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

*

* Licensed under The MIT License

* Redistributions of files must retain the above copyright notice.

*

* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

* @link http://cakephp.org CakePHP(tm) Project

* @since DebugKit 1.0

* @license http://www.opensource.org/licenses/mit-license.php MIT License

*/

namespace DebugKit\View\Helper;

use Cake\View\Helper;

/**

* Class SimpleGraphHelper

*

* Allows creation and display of extremely simple graphing elements

*

* @since DebugKit 1.0

*/

class SimpleGraphHelper extends Helper

{

/**

* Default settings to be applied to each Simple Graph

*

* Allowed options:

*

* - max => (int) Maximum value in the graphs

* - width => (int)

* - valueType => string (value, percentage)

* - style => array

*

* @var array

*/

protected $_defaultSettings = [

'max' => 100,

'width' => 350,

'valueType' => 'value',

];

/**

* bar method

*

* @param float $value Value to be graphed

* @param int $offset how much indentation

* @param array|\Graph $options Graph options

* @return string Html graph

*/

public function bar($value, $offset, $options = [])

{

$settings = array_merge($this->_defaultSettings, $options);

extract($settings);

$graphValue = ($value / $max) * $width;

$graphValue = max(round($graphValue), 1);

if ($valueType === 'percentage') {

$graphOffset = 0;

} else {

$graphOffset = ($offset / $max) * $width;

$graphOffset = round($graphOffset);

}

return sprintf(

'<div class="graph-bar" style="%s"><div class="graph-bar-value" style="%s" title="%s"> </div></div>',

"width: {$width}px",

"margin-left: {$graphOffset}px; width: {$graphValue}px",

__d('debug_kit', "Starting {0}ms into the request, taking {1}ms", $offset, $value)

);

}

}