language_list.php

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<?php

class Language_List extends oxAdminList
{

    protected $_sDefSort = 'sort';

    protected $_sDefSortOrder = 'asc';

    public function deleteEntry()
    {

        $myConfig = $this->getConfig();

        $sOxId = oxConfig::getParameter( 'oxid' );

        $aLangData['params']  = $myConfig->getConfigParam( 'aLanguageParams' );
        $aLangData['lang']    = $myConfig->getConfigParam( 'aLanguages' );
        $aLangData['urls']    = $myConfig->getConfigParam( 'aLanguageURLs' );
        $aLangData['sslUrls'] = $myConfig->getConfigParam( 'aLanguageSSLURLs' );

        $iBaseId = (int)$aLangData['params'][$sOxId]['baseId'];

        // preventing deleting main language with base id = 0
        if ( $iBaseId == 0 ) {
            $oEx = new oxExceptionToDisplay();
            $oEx->setMessage( 'LANGUAGE_DELETINGMAINLANG_WARNING' );
            oxUtilsView::getInstance()->addErrorToDisplay( $oEx );
            return;
        }

        // unsetting selected lang from languages arrays
        unset( $aLangData['params'][$sOxId] );
        unset( $aLangData['lang'][$sOxId] );
        unset( $aLangData['urls'][$iBaseId] );
        unset( $aLangData['sslUrls'][$iBaseId] );

        //saving languages info back to DB
        $myConfig->saveShopConfVar( 'aarr', 'aLanguageParams',  $aLangData['params']  );
        $myConfig->saveShopConfVar( 'aarr', 'aLanguages',       $aLangData['lang']    );
        $myConfig->saveShopConfVar( 'arr',  'aLanguageURLs',    $aLangData['urls']    );
        $myConfig->saveShopConfVar( 'arr',  'aLanguageSSLURLs', $aLangData['sslUrls'] );

        //if deleted language was default, setting defalt lang to 0
        if ( $iBaseId == $myConfig->getConfigParam( 'sDefaultLang' ) ) {
            $myConfig->saveShopConfVar( 'str',  'sDefaultLang', 0 );
        }

        // reseting all multilanguage DB fields with deleted lang id
        // to default value
        $this->_resetMultiLangDbFields( $iBaseId );
    }

    public function render()
    {

        parent::render();
        $this->_aViewData['mylist'] = $this->_getLanguagesList();

        return "language_list.tpl";
    }

    protected function _getLanguagesList()
    {
        $aLangParams  = $this->getConfig()->getConfigParam( 'aLanguageParams' );
        $aLanguages   = oxLang::getInstance()->getLanguageArray();
        $sDefaultLang = $this->getConfig()->getConfigParam( 'sDefaultLang' );

        foreach( $aLanguages as $sKey => $sValue ) {
            $sOxId = $sValue->oxid;
            $aLanguages[$sKey]->active  = (!isset($aLangParams[$sOxId]["active"])) ? 1 : $aLangParams[$sOxId]["active"];
            $aLanguages[$sKey]->default = ($aLangParams[$sOxId]["baseId"] == $sDefaultLang) ? true : false;
            $aLanguages[$sKey]->sort   = $aLangParams[$sOxId]["sort"];
        }

        if ( is_array($aLangParams) ) {
            $sSrotParam = $this->getConfig()->getParameter( 'sort' );

            if ( !empty($sSrotParam) ) {
                $this->_sDefSort = $sSrotParam;

                if ( $sSrotParam == 'active' ) {
                    //reverting sort order for field 'active'
                    $this->_sDefSortOrder = 'desc';
                }
            }

            uasort( $aLanguages, array($this, '_sortLanguagesCallback') );
        }

        return $aLanguages;
    }

    protected function _sortLanguagesCallback( $oLang1, $oLang2 )
    {
        $sSortParam = $this->_sDefSort;
        $sVal1 = is_string($oLang1->$sSortParam) ? strtolower( $oLang1->$sSortParam ) : $oLang1->$sSortParam;
        $sVal2 = is_string($oLang2->$sSortParam) ? strtolower( $oLang2->$sSortParam ) : $oLang2->$sSortParam;

        if ( $this->_sDefSortOrder == 'asc' ) {
            return ($sVal1 < $sVal2) ? -1 : 1;
        } else {
            return ($sVal1 > $sVal2) ? -1 : 1;
        }
    }

    protected function _resetMultiLangDbFields( $iLangId )
    {
        $iLangId = (int)$iLangId;

        //skipping reseting language with id = 0
        if ( $iLangId == 0 ) {
            return;
        }

        $oDbMeta = oxNew( "oxDbMetaDataHandler" );

        oxDb::startTransaction();

        try {
            $oDbMeta->resetLanguage( $iLangId );
        } catch( Exception $oEx ) {
            // if exception, rollBack everything
            oxDb::rollbackTransaction();
            //show warning
            $oEx = new oxExceptionToDisplay();
            $oEx->setMessage( 'LANGUAGE_ERROR_RESETING_MULTILANG_FIELDS' );
            oxUtilsView::getInstance()->addErrorToDisplay( $oEx );

            return;
        }

        oxDb::commitTransaction();
    }


}

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