compare.php

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<?php

class Compare extends oxUBase
{
    protected $_iCntPages = null;

    protected $_iOrderCnt = null;

    protected $_iArticlesPerPage = 3;

    protected $_iCompItemsCnt = null;

    protected $_aCompItems = null;

    protected $_oArtList = null;

    protected $_oAttributeList = null;

    protected $_oRecommList = null;

    protected $_oPageNavigation = null;

    protected $_sThisTemplate = 'compare.tpl';

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

        //add amount of compared items to view data
        $this->_aViewData['oxcmp_compare'] = $this->getCompareItemsCnt();

        $this->getCompArtList();
        // load article list in comparison
        $this->_aViewData['articlelist'] = $this->getCompArtList();

        // load all attributes for articles
        $this->_aViewData['allartattr'] = $this->getAttributeList();

        // page navigation object
        $this->_aViewData['pageNavigation'] = $this->getPageNavigation();

        $this->_aViewData['pgNr'] = $this->getActPage();

        // recomm products list
        $this->_aViewData['similarrecommlist']  = $this->getSimilarRecommLists();

        // calculating amount of orders made by user
        $this->_aViewData['iordersmade'] = $this->getOrderCnt();

        // loading actions
        $this->_loadActions();

        return $this->_sThisTemplate;
    }

    public function moveLeft() //#777C
    {
        if ( $aItems = $this->getCompareItems() ) {
            $sArticleId = oxConfig::getParameter( 'aid' );
            $sPrevArticleId = null;

            $blFound = false;
            foreach ( $aItems as $sOxid => $sVal ) {
                if ( $sOxid == $sArticleId ) {
                    $blFound = true;
                }
                if ( !$blFound ) {
                    $sPrevArticleId = $sOxid;
                }
            }

            if ( $sPrevArticleId ) {

                $aNewItems = array();
                foreach ( $aItems as $sOxid => $sVal ) {
                    if ( $sOxid == $sPrevArticleId ) {
                        $aNewItems[$sArticleId] = true;
                    } elseif ( $sOxid == $sArticleId ) {
                        $aNewItems[$sPrevArticleId] = true;
                    } else {
                        $aNewItems[$sOxid] = true;
                    }
                }

                $this->setCompareItems($aNewItems);
            }
        }
    }

    public function moveRight()  //#777C
    {
        if ( $aItems = $this->getCompareItems() ) {
            $sArticleId = oxConfig::getParameter( 'aid' );
            $sNextArticleId = 0;

            $blFound = false;
            foreach ( $aItems as $sOxid => $sVal ) {
                if ( $blFound ) {
                    $sNextArticleId = $sOxid;
                    $blFound = false;
                }
                if ( $sOxid == $sArticleId ) {
                    $blFound = true;
                }
            }

            if ( $sNextArticleId ) {

                $aNewItems = array();
                foreach ( $aItems as $sOxid => $sVal ) {
                    if ( $sOxid == $sArticleId ) {
                        $aNewItems[$sNextArticleId] = true;
                    } elseif ( $sOxid == $sNextArticleId ) {
                        $aNewItems[$sArticleId] = true;
                    } else {
                        $aNewItems[$sOxid] = true;
                    }
                }
                $this->setCompareItems($aNewItems);
            }
        }
    }

    public function inPopup() // #777C
    {
        $this->_sThisTemplate = 'compare_popup.tpl';
        $this->_iArticlesPerPage = -1;
    }

    public function getCompareItemsCnt()
    {
        if ( $this->_iCompItemsCnt === null ) {
            $this->_iCompItemsCnt = 0;
            if ( $aItems = $this->getCompareItems() ) {
                $this->_iCompItemsCnt = count( $aItems );
            }
        }
        return $this->_iCompItemsCnt;
    }

    public function getCompareItems()
    {
        if ( $this->_aCompItems === null ) {
            $aItems = oxConfig::getParameter( 'aFiltcompproducts' );
            if ( is_array( $aItems ) && count( $aItems ) ) {
                $this->_aCompItems = $aItems;
            }
        }
        return $this->_aCompItems;
    }

    public function setCompareItems( $aItems)
    {
        $this->_aCompItems = $aItems;
        oxSession::setVar( 'aFiltcompproducts', $aItems );
    }

    public function getCompArtList()
    {
        if ( $this->_oArtList === null ) {
            if ( $aItems = $this->getCompareItems()) {
                // counts how many pages
                $oList = oxNew( 'oxarticlelist' );
                $oList->loadIds( array_keys( $aItems ) );
                $this->_iCntPages = round( $oList->count() / $this->_iArticlesPerPage + 0.49 );

                // cut page articles
                if ( $this->_iArticlesPerPage > 0 ) {
                    $aItems = $this->_removeArticlesFromPage( $aItems, $oList );
                }
                $this->_oArtList = $this->_changeArtListOrder( $aItems, $oList );
            }
        }
        return $this->_oArtList;
    }

    public function getAttributeList()
    {
        if ( $this->_oAttributeList === null ) {
            $this->_oAttributeList = false;
            if ( $oArtList = $this->getCompArtList()) {
                $oAttributeList = oxNew( 'oxattributelist' );
                $this->_oAttributeList = $oAttributeList->loadAttributesByIds( array_keys( $oArtList ) );
            }
        }
        return $this->_oAttributeList;
    }

    public function getSimilarRecommLists()
    {
        if ( $this->_oRecommList === null ) {
            $this->_oRecommList = false;
            if ( $oArtList = $this->getCompArtList()) {
                $this->_oRecommList = oxNew('oxrecommlist');
                $this->_oRecommList = $this->_oRecommList->getRecommListsByIds( array_keys( $oArtList ));
            }
        }
        return $this->_oRecommList;
    }

    public function getPageNavigation()
    {
        if ( $this->_oPageNavigation === null ) {
            $this->_oPageNavigation = false;
            $this->_oPageNavigation = $this->generatePageNavigation();
        }
        return $this->_oPageNavigation;
    }

    protected function _removeArticlesFromPage( $aItems, $oList )
    {
        //#1106S $aItems changed to $oList.
        //2006-08-10 Alfonsas, compare arrows fixed, array position is very important here, preserve it.
        $aListKeys = $oList->arrayKeys();
        $aItemKeys = array_keys($aItems);
        $aKeys = array_intersect( $aItemKeys, $aListKeys );
        $aNewItems = array();
        $iActPage = $this->getActPage();
        for ( $i = $this->_iArticlesPerPage * $iActPage; $i < $this->_iArticlesPerPage * $iActPage + $this->_iArticlesPerPage; $i++ ) {
            if ( !isset($aKeys[$i])) {
                break;
            }
            $aNewItems[$aKeys[$i]] = & $aItems[$aKeys[$i]];
        }
        return $aNewItems;
    }

    protected function _changeArtListOrder( $aItems, $oList )
    {
        // #777C changing order of list elements, according to $aItems
        $oNewList = array();
        $iCnt = 0;
        $iActPage = $this->getActPage();
        foreach ( $aItems as $sOxid => $sVal ) {
            $iCnt++;
            $oNewList[$sOxid] = $oList[$sOxid];

            // hide arrow if article is first in the list
            if ( $iActPage == 0 && $iCnt==1 ) {
                $oNewList[$sOxid]->hidePrev = true;
            } else {
                $oNewList[$sOxid]->hidePrev = false;
            }

            // hide arrow if article is last in the list
            if ( ( $iActPage + 1 ) == $this->_iCntPages && $iCnt == count( $aItems ) ) {
                $oNewList[$sOxid]->hideNext = true;
            } else {
                $oNewList[$sOxid]->hideNext = false;
            }
        }
        return $oNewList;
    }

    public function getOrderCnt()
    {
        if ( $this->_iOrderCnt === null ) {
            $this->_iOrderCnt = 0;
            if ( $oUser = $this->getUser() ) {
                $this->_iOrderCnt = $oUser->getOrderCount();
            }
        }
        return $this->_iOrderCnt;
    }

}

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