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<?php /** * @package com_zoo * @author YOOtheme http://www.yootheme.com * @copyright Copyright (C) YOOtheme GmbH * @license http://www.gnu.org/licenses/gpl.html GNU/GPL */ /** * A class that contains element helper functions * * @package Component.Helpers * @since 2.0 */ class ElementHelper extends AppHelper{ /** * Class constructor * * @param string $app App instance. * @since 2.0 */ public function __construct($app) { parent::__construct($app); // load class $app->loader->register('Element', 'elements:element/element.php'); } /** * Returns an array of all Elements. * * @return array elements * * @since 2.0 */ public function getAll(){ $elements = array(); foreach ($this->app->path->dirs('elements:') as $type) { if ($type != 'element' && is_file($this->app->path->path("elements:$type/$type.php"))) { if ($element = $this->create($type)) { if ($element->getMetaData('hidden') != 'true') { $elements[] = $element; } } } } return $elements; } /** * Creates element of given type * * @param string $type The type to create * * @return Element the created element * * @since 2.0 */ public function create($type) { // load element class $elementClass = 'Element'.$type; if (!class_exists($elementClass)) { $this->app->loader->register($elementClass, "elements:$type/$type.php"); } if (!class_exists($elementClass)) { return false; } $testClass = new ReflectionClass($elementClass); if ($testClass->isAbstract()) { return false; } return new $elementClass($this->app); } /** * Separates the passed element values with a separator * * @param string $separated_by The separator * @param array $values the values to separate * * @return string The imploded string * * @since 2.0 */ public function applySeparators($separated_by, $values) { if (!is_array($values)) { $values = array($values); } $separator = ''; $tag = ''; $enclosing_tag = ''; if ($separated_by) { if (preg_match('/separator=\[(.*)\]/U', $separated_by, $result)) { $separator = $result[1]; } if (preg_match('/tag=\[(.*)\]/U', $separated_by, $result)) { $tag = $result[1]; } if (preg_match('/enclosing_tag=\[(.*)\]/U', $separated_by, $result)) { $enclosing_tag = $result[1]; } } if (empty($separator) && empty($tag) && empty($enclosing_tag)) { $separator = ', '; } if (!empty($tag)) { foreach ($values as $key => $value) { $values[$key] = sprintf($tag, $values[$key]); } } $value = implode($separator, $values); if (!empty($enclosing_tag)) { $value = sprintf($enclosing_tag, $value); } return $value; } }
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