language_list.php

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<?php

class Language_List extends oxAdminList
{
    protected $_sDefSortField = 'sort';

    protected $_sDefSortOrder = 'asc';

    public function deleteEntry()
    {
        $myConfig = $this->getConfig();


        $sOxId = $this->getEditObjectId();

        $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 = oxNew( "oxExceptionToDisplay" );
            $oEx->setMessage( 'LANGUAGE_DELETINGMAINLANG_WARNING' );
            oxRegistry::get("oxUtilsView")->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   = oxRegistry::getLang()->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 ) ) {
            $aSorting = $this->getListSorting();

            if ( is_array( $aSorting ) ) {
                foreach ( $aSorting as $aFieldSorting ) {
                    foreach ( $aFieldSorting as $sField => $sDir ) {
                        $this->_sDefSortField = $sField;
                        $this->_sDefSortOrder = $sDir;

                        if ( $sField == 'active' ) {
                            //reverting sort order for field 'active'
                            $this->_sDefSortOrder = 'desc';
                        }
                        break 2;
                    }
                }
            }

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

        return $aLanguages;
    }

    protected function _sortLanguagesCallback( $oLang1, $oLang2 )
    {
        $sSortParam = $this->_sDefSortField;
        $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 ) {

            oxDb::getDb()->startTransaction();

            try {
                $oDbMeta = oxNew( "oxDbMetaDataHandler" );
                $oDbMeta->resetLanguage( $iLangId );

                oxDb::getDb()->commitTransaction();
            } catch( Exception $oEx ) {

                // if exception, rollBack everything
                oxDb::getDb()->rollbackTransaction();

                //show warning
                $oEx = oxNew( "oxExceptionToDisplay" );
                $oEx->setMessage( 'LANGUAGE_ERROR_RESETING_MULTILANG_FIELDS' );
                oxRegistry::get("oxUtilsView")->addErrorToDisplay( $oEx );
            }
        }
    }
}