content.php

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<?php

class Content extends oxUBase
{
    protected $_sContentId = null;

    protected $_oContent = null;

    protected $_sThisTemplate = 'content.tpl';

    protected $_sThisPlainTemplate = 'content_plain.tpl';

     protected $_oContentCat = null;

    public function init()
    {
        if ( oxUtils::getInstance()->seoIsActive() ) {
            // cleaning category id tracked by SEO
            $this->setSessionCategoryId( null );
        }

        parent::init();
    }

    public function getViewId()
    {
        if ( !isset( $this->_sViewId ) ) {
            $this->_sViewId = parent::getViewId().'|'.oxConfig::getParameter( 'oxcid' );
        }
        return $this->_sViewId;
    }

    public function render()
    {
        parent::render();

        if ( $sTplName = $this->_getTplName() ) {
            $this->_sThisTemplate = $sTplName;
        } else {
            $this->_aViewData['oxcid'] = $this->getContentId();
            $this->_aViewData['oContent'] = $this->getContent();
        }

        // sometimes you need to display plain templates (e.g. when showing popups)
        if ( $this->showPlainTemplate() ) {
            $this->_sThisTemplate = $this->_sThisPlainTemplate;
        }

        return $this->_sThisTemplate;
    }

    protected function _prepareMetaDescription( $sMeta, $iLength = 200, $blDescTag = false )
    {
        if ( !$sMeta ) {
            $sMeta = $this->getContent()->oxcontents__oxtitle->value;
        }
        return parent::_prepareMetaDescription( $sMeta, $iLength, $blDescTag );
    }

    protected function _prepareMetaKeyword( $sKeywords )
    {
        if ( !$sKeywords ) {
            $sKeywords = $this->getContent()->oxcontents__oxtitle->value;
        }
        return parent::_prepareMetaKeyword( $sKeywords );
    }

    public function getContentCategory()
    {
        if ( $this->_oContentCat === null ) {
            // setting default status ..
            $this->_oContentCat = false;
            if ( ( $oContent = $this->getContent() ) && $oContent->oxcontents__oxtype->value == 2 ) {
                $this->_oContentCat = $oContent;
            }
        }
        return $this->_oContentCat;
    }

    public function showPlainTemplate()
    {
        return (bool) oxConfig::getParameter( 'plain' );
    }

    protected function _getSeoObjectId()
    {
        return oxConfig::getParameter( 'oxcid' );
    }

    public function getContentId()
    {
        if ( $this->_sContentId === null ) {
            $sContentId = oxConfig::getParameter( 'oxcid' );

            if ( !$sContentId ) {
                //trying to load content id from tpl variable
                //usage of tpl variable as content id is deprecated
                $sContentId = oxConfig::getParameter( 'tpl' );
            }

            if ( !$sContentId ) {
                //get default content id (impressum)
                $sContentId = parent::getContentId();
            }

            $this->_sContentId = false;
            $oContent = oxNew( 'oxcontent' );
            if ( $oContent->load( $sContentId ) && $oContent->oxcontents__oxactive->value ) {
                $this->_sContentId = $sContentId;
                $this->_oContent = $oContent;
            }
        }
        return $this->_sContentId;
    }

    public function getContent()
    {
        if ( $this->_oContent === null ) {
            $this->_oContent = false;
            if ( $this->getContentId() ) {
                return $this->_oContent;
            }
        }
        return $this->_oContent;
    }

    protected function _getSubject()
    {
        return $this->getContent();
    }

    protected function _getTplName()
    {
        // assign template name
        $sTplName = oxConfig::getParameter( 'tpl');

        if ( $sTplName ) {
            // security fix so that you cant access files from outside template dir
            $sTplName = basename( $sTplName );

            //checking if it is template name, not content id
            if ( !preg_match("/\.tpl$/", $sTplName) ) {
                $sTplName = null;
            }
        }

        return $sTplName;
    }
}

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