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