kekrozsak/vendor/symfony/assetic-bundle/Symfony/Bundle/AsseticBundle/Templating/AsseticHelper.php

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<?php
/*
* This file is part of the Symfony framework.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Symfony\Bundle\AsseticBundle\Templating;
use Assetic\Asset\AssetInterface;
use Assetic\Factory\AssetFactory;
use Assetic\Util\TraversableString;
use Symfony\Component\Templating\Helper\Helper;
/**
* The "assetic" templating helper.
*
* @author Kris Wallsmith <kris@symfony.com>
*/
abstract class AsseticHelper extends Helper
{
protected $factory;
/**
* Constructor.
*
* @param AssetFactory $factory The asset factory
*/
public function __construct(AssetFactory $factory)
{
$this->factory = $factory;
}
/**
* Returns an array of javascript urls.
*/
public function javascripts($inputs = array(), $filters = array(), array $options = array())
{
if (!isset($options['output'])) {
$options['output'] = 'js/*.js';
}
return $this->getAssetUrls($inputs, $filters, $options);
}
/**
* Returns an array of stylesheet urls.
*/
public function stylesheets($inputs = array(), $filters = array(), array $options = array())
{
if (!isset($options['output'])) {
$options['output'] = 'css/*.css';
}
return $this->getAssetUrls($inputs, $filters, $options);
}
/**
* Returns an array of one image url.
*/
public function image($inputs = array(), $filters = array(), array $options = array())
{
if (!isset($options['output'])) {
$options['output'] = 'images/*';
}
$options['single'] = true;
return $this->getAssetUrls($inputs, $filters, $options);
}
/**
* Gets the URLs for the configured asset.
*
* Usage looks something like this:
*
* <?php foreach ($view['assetic']->assets('@jquery, js/src/core/*', '?yui_js') as $url): ?>
* <script src="<?php echo $url ?>" type="text/javascript"></script>
* <?php endforeach; ?>
*
* When in debug mode, the helper returns an array of one or more URLs.
* When not in debug mode it returns an array of one URL.
*
* @param array|string $inputs An array or comma-separated list of input strings
* @param array|string $filters An array or comma-separated list of filter names
* @param array $options An array of options
*
* @return array An array of URLs for the asset
*/
private function getAssetUrls($inputs = array(), $filters = array(), array $options = array())
{
$explode = function($value)
{
return array_map('trim', explode(',', $value));
};
if (!is_array($inputs)) {
$inputs = $explode($inputs);
}
if (!is_array($filters)) {
$filters = $explode($filters);
}
if (!isset($options['debug'])) {
$options['debug'] = $this->factory->isDebug();
}
if (!isset($options['combine'])) {
$options['combine'] = !$options['debug'];
}
if (isset($options['single']) && $options['single'] && 1 < count($inputs)) {
$inputs = array_slice($inputs, -1);
}
if (!isset($options['name'])) {
$options['name'] = $this->factory->generateAssetName($inputs, $filters, $options);
}
$asset = $this->factory->createAsset($inputs, $filters, $options);
$one = $this->getAssetUrl($asset, $options);
$many = array();
if ($options['combine']) {
$many[] = $one;
} else {
$i = 0;
foreach ($asset as $leaf) {
$many[] = $this->getAssetUrl($leaf, array_replace($options, array(
'name' => $options['name'].'_'.$i++,
)));
}
}
return new TraversableString($one, $many);
}
/**
* Returns an URL for the supplied asset.
*
* @param AssetInterface $asset An asset
* @param array $options An array of options
*
* @return string An echo-ready URL
*/
abstract protected function getAssetUrl(AssetInterface $asset, $options = array());
public function getName()
{
return 'assetic';
}
}