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<?php |
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/** |
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* Bright Nucleus Shortcode Component. |
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* |
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* @package BrightNucleus\Shortcode |
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* @author Alain Schlesser <[email protected]> |
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* @license MIT |
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* @link http://www.brightnucleus.com/ |
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* @copyright 2015-2016 Alain Schlesser, Bright Nucleus |
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*/ |
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namespace BrightNucleus\Shortcode; |
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/** |
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* Check Need Trait. |
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* |
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* Provides the `is_needed()` method. |
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* |
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* @since 0.1.0 |
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* |
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* @package BrightNucleus\Shortcode |
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* @author Alain Schlesser <[email protected]> |
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*/ |
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trait CheckNeedTrait { |
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/** |
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* Check whether an element is needed. |
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* |
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* @since 0.2.0 |
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* |
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* @param mixed $context Data about the context in which the call is made. |
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* @return boolean Whether the element is needed or not. |
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*/ |
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protected function is_needed( $context = null ) { |
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$is_needed = $this->hasConfigKey( 'is_needed' ) |
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? $this->getConfigKey( 'is_needed' ) |
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: true; |
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if ( is_callable( $is_needed ) ) { |
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return $is_needed( $context ); |
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} |
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return (bool) $is_needed; |
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} |
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/** |
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* Check whether the Config has a specific key. |
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* |
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* This needs to be implemented in a class that wants to use CheckNeedTrait. |
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* |
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* @since 0.2.10 |
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* |
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* @param string|array $_ List of keys. |
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* @return bool Whether the key is known. |
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*/ |
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abstract protected function hasConfigKey( $_ ); |
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/** |
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* Get the Config value for a specific key. |
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* |
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* This needs to be implemented in a class that wants to use CheckNeedTrait. |
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* |
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* @since 0.2.10 |
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* |
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* @param string|array $_ List of keys. |
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* @return mixed Value of the key. |
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*/ |
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abstract protected function getConfigKey( $_ ); |
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} |
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brightnucleus /
shortcodes
