80 lines
2.1 KiB
PHP
80 lines
2.1 KiB
PHP
<?php
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/*
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* This file is part of the Symfony CMF package.
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*
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* (c) 2011-2014 Symfony CMF
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Cmf\Component\Routing\Enhancer;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Cmf\Component\Routing\RouteObjectInterface;
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/**
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* This enhancer sets the content to target field if the route provides content.
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*
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* Only works with RouteObjectInterface routes that can return a referenced
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* content.
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*
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* @author David Buchmann
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*/
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class RouteContentEnhancer implements RouteEnhancerInterface
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{
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/**
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* @var string field for the route class
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*/
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protected $routefield;
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/**
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* @var string field to write hashmap lookup result into
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*/
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protected $target;
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/**
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* @param string $routefield the field name of the route class
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* @param string $target the field name to set from the map
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* @param array $hashmap the map of class names to field values
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*/
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public function __construct($routefield, $target)
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{
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$this->routefield = $routefield;
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$this->target = $target;
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}
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/**
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* If the route has a non-null content and if that content class is in the
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* injected map, returns that controller.
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*
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* {@inheritDoc}
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*/
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public function enhance(array $defaults, Request $request)
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{
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if (isset($defaults[$this->target])) {
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// no need to do anything
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return $defaults;
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}
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if (! isset($defaults[$this->routefield])
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|| ! $defaults[$this->routefield] instanceof RouteObjectInterface
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) {
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// we can't determine the content
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return $defaults;
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}
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/** @var $route RouteObjectInterface */
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$route = $defaults[$this->routefield];
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$content = $route->getContent();
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if (! $content) {
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// we have no content
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return $defaults;
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}
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$defaults[$this->target] = $content;
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return $defaults;
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}
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}
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