horros / agavi2

src/renderer/EzctemplateRenderer.class.php

<?php
namespace Agavi\Renderer;

// +---------------------------------------------------------------------------+
// | This file is part of the Agavi package.                                   |
// | Copyright (c) 2005-2011 the Agavi Project.                                |
// |                                                                           |
// | For the full copyright and license information, please view the LICENSE   |
// | file that was distributed with this source code. You can also view the    |
// | LICENSE file online at http://www.agavi.org/LICENSE.txt                   |
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// |   Local Variables:                                                        |
// |   indent-tabs-mode: t                                                     |
// |   End:                                                                    |
// +---------------------------------------------------------------------------+
use Agavi\Config\Config;
use Agavi\Util\Toolkit;
use Agavi\View\TemplateLayer;

/**
 * A renderer produces the output as defined by a View
 *
 * @package    agavi
 * @subpackage renderer
 *
 * @author     Felix Weis <mail@felixweis.com>
 * @author     David Zülke <dz@bitxtender.com>
 * @copyright  Authors
 * @copyright  The Agavi Project
 *
 * @since      0.11.0
 *
 * @version    $Id$
 */
class EzctemplateRenderer extends Renderer implements ReusableRendererInterface
{
    /**
     * @constant   string The directory inside the cache dir where templates will
     *                    be stored in compiled form.
     */
    const COMPILE_DIR = 'templates';

    /**
     * @constant   string The subdirectory inside the compile dir where templates
     *                    will be stored in compiled form.
     */
    const COMPILE_SUBDIR = 'ezctemplate';

    /**
     * @constant   string The directory inside the cache dir where cached content
     *                    will be stored.
     */
    const CACHE_DIR = 'content';

    /**
     * @var        ezcTemplate The template engine instance.
     */
    protected $ezcTemplate = null;

    /**
     * @var        string A string with the default template file extension,
     *                    including the dot.
     */
    protected $defaultExtension = '.ezt';

    /**
     * Pre-serialization callback.
     *
     * Excludes the ezcTemplate instance to prevent excessive serialization load.
     *
     * @author     Felix Weis <mail@felixweis.com>
     * @since      0.11.0
     */
    public function __sleep()
    {
        $keys = parent::__sleep();
        unset($keys[array_search('ezctemplate', $keys)]);
        return $keys;
    }
    
    /**
     * Create an instance of ezcTemplate and initialize it correctly.
     * Returns an instance of EzctemplateTemplate by default.
     *
     * @return     ezcTemplate The ezcTemplate instance.
     *
     * @author     David Zülke <david.zuelke@bitextender.com>
     * @since      1.0.2
     */
    protected function createEngineInstance()
    {
        $cls = $this->getParameter('template_class', 'EzctemplateTemplate');
        
        $ezcTemplate = new $cls();
        if ($ezcTemplate instanceof AgaviIEzctemplateTemplate) {

The class Agavi\Renderer\AgaviIEzctemplateTemplate does not exist. Did you forget a USE statement, or did you not list all dependencies?

            $ezcTemplate->setContext($this->context);
        }
        
        return $ezcTemplate;
    }

    /**
     * Grab a cleaned up ezctemplate instance.
     *
     * @return     ezcTemplate A ezcTemplate instance.
     *
     * @author     Felix Weis <mail@felixweis.com>
     * @since      0.11.0
     */
    protected function getEngine()
    {
        // ezcTemplate already initialized, only clear the assigns and retun the engine
        if ($this->ezcTemplate) {
            $this->ezcTemplate->send = new ezcTemplateVariableCollection();
            return $this->ezcTemplate;
        }

        $this->ezcTemplate = $this->createEngineInstance();
        // initialize ezcTemplate
        
        $parentMode = fileperms(Config::get('core.cache_dir'));

        $compileDir = Config::get('core.cache_dir') . DIRECTORY_SEPARATOR . self::COMPILE_DIR . DIRECTORY_SEPARATOR . self::COMPILE_SUBDIR;
        Toolkit::mkdir($compileDir, $parentMode, true);

        // templatePath unnessesary because Agavi will always supply the absolute ressource path
        $config = new ezcTemplateConfiguration();
        $config->templatePath = "";
        $config->compilePath = $compileDir;

        // set the ezcTemplateOutputContext (standard is ezcTemplateXhtmlContext)
        if ($this->hasParameter('context')) {
            $contextClass = $this->getParameter('context');
            $config->context = new $contextClass();
        }

        // add some usefull Agavi Functions/Blocks as Extension
        $config->addExtension('EzctemplateCustomBlocks');
        $config->addExtension('EzctemplateCustomFunctions');
        
        foreach ($this->getParameter('extensions', array()) as $extension) {
            $config->addExtension($extension);
        }
        
        $this->ezcTemplate->configuration = $config;

        return $this->ezcTemplate;
    }

    /**
     * Render the presentation and return the result.
     *
     * @param      TemplateLayer $layer The template layer to render.
     * @param      array         $attributes The template variables.
     * @param      array         $slots The slots.
     * @param      array         $moreAssigns Associative array of additional assigns.
     *
     * @return     string A rendered result.
     *
     * @author     Felix Weis <mail@felixweis.com>
     * @since      0.11.0
     */
    public function render(TemplateLayer $layer, array &$attributes = array(), array &$slots = array(), array &$moreAssigns = array())
    {
        $engine = $this->getEngine();

        if ($this->extractVars) {
            foreach ($attributes as $name => &$value) {
                $engine->send->{$name} = $value;
            }
        } else {
            $engine->send->{$this->varName} = $attributes;
        }

        $key = $this->slotsVarName;
        $engine->send->{$key} = $slots;

        foreach ($this->assigns as $key => $getter) {
            $engine->send->{$key} = $this->context->$getter();
        }

        $finalMoreAssigns =& self::buildMoreAssigns($moreAssigns, $this->moreAssignNames);
        foreach ($finalMoreAssigns as $key => &$value) {
            $engine->send->{$key} = $value;
        }

        return $engine->process($layer->getResourceStreamIdentifier());
    }
}