Component-Builder/libraries/jcb_powers/VDM.Joomla/src/Utilities/Component/Helper.php

175 lines
3.8 KiB
PHP

<?php
/**
* @package Joomla.Component.Builder
*
* @created 3rd September, 2020
* @author Llewellyn van der Merwe <https://dev.vdm.io>
* @git Joomla Component Builder <https://git.vdm.dev/joomla/Component-Builder>
* @copyright Copyright (C) 2015 Vast Development Method. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace VDM\Joomla\Utilities\Component;
use Joomla\Input\Input;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\Registry\Registry;
/**
* Some component helper
*
* @since 3.0.11
*/
abstract class Helper
{
/**
* The current option
*
* @var string
* @since 3.0.11
*/
public static $option;
/**
* The component params list cache
*
* @var Registry[]
* @since 3.0.11
*/
protected static $params = array();
/**
* Gets the parameter object for the component
*
* @param string $option The option for the component.
*
* @return Registry A Registry object.
*
* @see Registry
* @since 3.0.11
*/
public static function getParams($option = null): Registry
{
// check that we have an option
if (empty($option))
{
$option = self::getOption();
}
// get global value
if (!isset(self::$params[$option]) || !self::$params[$option] instanceof Registry)
{
self::$params[$option] = ComponentHelper::getParams($option);
}
return self::$params[$option];
}
/**
* Gets the component option
*
* @param string|null $default The default return value if none is found
*
* @return string|null A component option
*
* @since 3.0.11
*/
public static function getOption($default = 'empty'): ?string
{
if (empty(self::$option))
{
// get the option from the url input
self::$option = (new Input)->getString('option', false);
}
if (self::$option)
{
return self::$option;
}
return $default;
}
/**
* Gets the component code name
*
* @param string $option The option for the component.
* @param string|null $default The default return value if none is found
*
* @return string|null A component code name
*
* @since 3.0.11
*/
public static function getCode($option = null, $default = null): ?string
{
// check that we have an option
if (empty($option))
{
$option = self::getOption();
}
// option with com_
if (is_string($option) && strpos($option, 'com_') === 0)
{
return strtolower(trim(substr($option, 4)));
}
return $default;
}
/**
* Gets the component abstract helper class
*
* @param string|null $option The option for the component.
* @param string|null $default The default return value if none is found
*
* @return string|null A component helper name
*
* @since 3.0.11
*/
public static function get($option = null, $default = null): ?string
{
// check that we have an option
// and get the code name from it
if (($code_name = self::getCode($option, false)) !== false)
{
// we build the helper class name
$helper_name = '\\' . \ucfirst($code_name) . 'Helper';
// check if class exist
if (class_exists($helper_name))
{
return $helper_name;
}
}
return $default;
}
/**
* Check if the helper class of this component has a method
*
* @param String $method The method name to search for
* @param String $option The option for the component.
*
* @return bool true if method exist
*
* @since 3.0.11
*/
public static function methodExists($method, $option = null)
{
// get the helper class
if (($helper = self::get($option, false)) !== false)
{
if (method_exists($helper, $method))
{
return true;
}
}
return false;
}
}