category_list.php

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<?php

class Category_List extends oxAdminList
{
    protected $_sListClass = 'oxcategory';

    protected $_sListType = 'oxcategorylist';

    public function init()
    {
        $sCatView = getViewName('oxcategories');
        $this->_sDefSort = "$sCatView.oxrootid desc, $sCatView.oxleft";
        parent::Init();
    }

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

        parent::render();

        $oLang = oxLang::getInstance();
        $iLang = $oLang->getTplLanguage();

        // parent categorie tree
        $oCatTree = oxNew( "oxCategoryList" );
        $oCatTree->buildList( $myConfig->getConfigParam( 'bl_perfLoadCatTree' ) );

        // add Root as fake category
        // rebuild list as we need the root entry at the first position
        $aNewList = array();
        $oRoot = new oxStdClass();
        $oRoot->oxcategories__oxid    = new oxField( null, oxField::T_RAW );
        $oRoot->oxcategories__oxtitle = new oxField( $oLang->translateString("viewAll", $iLang ), oxField::T_RAW );
        $aNewList[] = $oRoot;

        $oRoot = new oxStdClass();
        $oRoot->oxcategories__oxid    = new oxField( "oxrootid", oxField::T_RAW );
        $oRoot->oxcategories__oxtitle = new oxField( "-- ".$oLang->translateString("mainCategory", $iLang )." --", oxField::T_RAW );
        $aNewList[] = $oRoot;

        foreach ( $oCatTree as $oCategory ) {
            $aNewList[] = $oCategory;
        }

        $oCatTree->assign( $aNewList );

        $sCatView = getViewName( 'oxcategories' );

        $aWhere  = oxConfig::getParameter( "where" );
        if ( is_array( $aWhere ) && isset( $aWhere["{$sCatView}.oxparentid"] ) ) {
            foreach ( $oCatTree as $oCategory ) {
                if ( $oCategory->oxcategories__oxid->value == $aWhere["{$sCatView}.oxparentid"]) {
                    $oCategory->selected = 1;
                    break;
                }
            }
        }

        $this->_aViewData["cattree"] = $oCatTree;

        return "category_list.tpl";
    }
}