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Path: /data/applications/aps/magento/1.1.3-2/standard/htdocs/app/code/core/Mage/Core/Block/ [ Home ]
File: Template.php
<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * @category   Mage
 * @package    Mage_Core
 * @copyright  Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Base html block
 *
 * @category   Mage
 * @package    Mage_Core
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Core_Block_Template extends Mage_Core_Block_Abstract
{

    /**
     * View scripts directory
     *
     * @var string
     */
    protected $_viewDir = '';

    /**
     * Assigned variables for view
     *
     * @var array
     */
    protected $_viewVars = array();

    protected $_baseUrl;

    protected $_jsUrl;

    protected static $_showTemplateHints;
    protected static $_showTemplateHintsBlocks;

    public function getTemplate()
    {
        return $this->_getData('template');
    }

    public function getArea()
    {
        return $this->_getData('area');
    }

    /**
     * Assign variable
     *
     * @param   string|array $key
     * @param   mixed $value
     * @return  Mage_Core_Block_Template
     */
    public function assign($key, $value=null)
    {
        if (is_array($key)) {
            foreach ($key as $k=>$v) {
                $this->assign($k, $v);
            }
        }
        else {
            $this->_viewVars[$key] = $value;
        }
        return $this;
    }

    /**
     * Set template location dire
     *
     * @param string $dir
     * @return Mage_Core_Block_Template
     */
    public function setScriptPath($dir)
    {
        $this->_viewDir = $dir;
        return $this;
    }

    public function getDirectOutput()
    {
        if ($this->getLayout()) {
            return $this->getLayout()->getDirectOutput();
        }
        return false;
    }

    public function getShowTemplateHints()
    {
        if (is_null(self::$_showTemplateHints)) {
            self::$_showTemplateHints = Mage::getStoreConfig('dev/debug/template_hints')
                && Mage::helper('core')->isDevAllowed();
            self::$_showTemplateHintsBlocks = Mage::getStoreConfig('dev/debug/template_hints_blocks')
                && Mage::helper('core')->isDevAllowed();
        }
        return self::$_showTemplateHints;
    }

    /**
     * Retrieve block view from file (template)
     *
     * @param   string $fileName
     * @return  string
     */
    public function fetchView($fileName)
    {
        Varien_Profiler::start($fileName);

        extract ($this->_viewVars);
        $do = $this->getDirectOutput();

        if (!$do) {
            ob_start();
        }
        if ($this->getShowTemplateHints()) {
            echo '<div style="position:relative; border:1px dotted red; margin:6px 2px; padding:18px 2px 2px 2px; zoom:1;"><div style="position:absolute; left:0; top:0; padding:2px 5px; background:red; color:white; font:normal 11px Arial; text-align:left !important; z-index:998;" onmouseover="this.style.zIndex=\'999\'" onmouseout="this.style.zIndex=\'998\'" title="'.$fileName.'">'.$fileName.'</div>';
            if (self::$_showTemplateHintsBlocks) {
                $thisClass = get_class($this);
                echo '<div style="position:absolute; right:0; top:0; padding:2px 5px; background:red; color:blue; font:normal 11px Arial; text-align:left !important; z-index:998;" onmouseover="this.style.zIndex=\'999\'" onmouseout="this.style.zIndex=\'998\'" title="'.$thisClass.'">'.$thisClass.'</div>';
            }
        }

        include $this->_viewDir.DS.$fileName;

        if ($this->getShowTemplateHints()) {
            echo '</div>';
        }

        if (!$do) {
            $html = ob_get_clean();
        } else {
            $html = '';
        }
        Varien_Profiler::stop($fileName);
        return $html;
    }

    /**
     * Render block
     *
     * @return string
     */
    public function renderView()
    {
        Varien_Profiler::start(__METHOD__);

        $this->setScriptPath(Mage::getBaseDir('design'));
        $params = array('_relative'=>true);
        if ($area = $this->getArea()) {
            $params['_area'] = $area;
        }

        $templateName = Mage::getDesign()->getTemplateFilename($this->getTemplate(), $params);

        $html = $this->fetchView($templateName);

        Varien_Profiler::stop(__METHOD__);

        return $html;
    }

    /**
     * Render block HTML
     *
     * @return string
     */
    protected function _toHtml()
    {
        if (!$this->getTemplate()) {
            return '';
        }
        $html = $this->renderView();
        return $html;
    }

    /**
     * Get base url of the application
     *
     * @return string
     */
    public function getBaseUrl()
    {
        if (!$this->_baseUrl) {
            $this->_baseUrl = Mage::getBaseUrl();
        }
        return $this->_baseUrl;
    }

    /**
     * Get url of base javascript file
     *
     * To get url of skin javascript file use getSkinUrl()
     *
     * @param string $fileName
     * @return string
     */
    public function getJsUrl($fileName='')
    {
        if (!$this->_jsUrl) {
            $this->_jsUrl = Mage::getBaseUrl('js');
        }
        return $this->_jsUrl.$fileName;
    }

}