| <?php |
| /** |
| * File containing the ezcDocumentOdtListLevelStyleFilterRule class. |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * @package Document |
| * @version //autogen// |
| * @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved. |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| * @access private |
| */ |
| |
| /** |
| * Style filter rule to distinguish list types. |
| * |
| * ODT does not distinguish between numbered and itemized lists on an XML |
| * element level, but through styling information. This rule implements |
| * detection of numbered lists. |
| * |
| * @package Document |
| * @version //autogen// |
| * @access private |
| * @todo More information about the list can be extracted from the style, like |
| * the start value and continuation of previous lists. |
| */ |
| class ezcDocumentOdtListLevelStyleFilterRule implements ezcDocumentOdtStyleFilterRule |
| { |
| /** |
| * Returns if the given $odtElement is handled by the rule. |
| * |
| * @param DOMElement $odtElement |
| * @return bool |
| */ |
| public function handles( DOMElement $odtElement ) |
| { |
| return ( $odtElement->localName === 'list' ); |
| } |
| |
| /** |
| * Detects numbered lists from ODT style information. |
| * |
| * This method detects the type of list in $odtElement by its list-level |
| * style and sets the attributes for $odtElement accordingly to have it |
| * converted properly to DocBook. |
| * |
| * @param DOMElement $odtElement |
| * @param ezcDocumentOdtStyleInferencer $styleInferencer |
| */ |
| public function filter( DOMElement $odtElement, ezcDocumentOdtStyleInferencer $styleInferencer ) |
| { |
| $listStyle = $styleInferencer->getListStyle( $odtElement ); |
| |
| $currentLevel = $this->getListLevel( $odtElement ); |
| |
| switch ( get_class( $listStyle->listLevels[$currentLevel] ) ) |
| { |
| case 'ezcDocumentOdtListLevelStyleNumber': |
| $this->setNumberListProperties( $odtElement, $listStyle->listLevels[$currentLevel] ); |
| break; |
| case 'ezcDocumentOdtListLevelStyleBullet': |
| $this->setItemListProperties( $odtElement, $listStyle->listLevels[$currentLevel] ); |
| break; |
| } |
| } |
| |
| /** |
| * Sets properties of numbered lists based on $listLevelProps. |
| * |
| * @param DOMElement $numList |
| * @param ezcDocumentOdtListLevelStyleNumber $listLevelProps |
| * @return void |
| */ |
| protected function setNumberListProperties( DOMElement $numList, ezcDocumentOdtListLevelStyleNumber $listLevelProps ) |
| { |
| $numList->setProperty( |
| 'type', |
| 'orderedlist' |
| ); |
| } |
| |
| /** |
| * Sets properties of itemized lists based on $listLevelProps. |
| * |
| * @param DOMElement $itemList |
| * @param ezcDocumentOdtListLevelStyleBullet $listLevelProps |
| */ |
| protected function setItemListProperties( DOMElement $itemList, ezcDocumentOdtListLevelStyleBullet $listLevelProps ) |
| { |
| $itemList->setProperty( |
| 'type', |
| 'itemizedlist' |
| ); |
| } |
| |
| /** |
| * Determines the list level of $odtElement. |
| * |
| * Note that leveling starts with 1! |
| * |
| * @param DOMElement $odtElement |
| * @return int |
| */ |
| protected function getListLevel( DOMElement $odtElement ) |
| { |
| if ( $odtElement->parentNode->nodeType === XML_DOCUMENT_NODE ) |
| { |
| return 1; |
| } |
| return $this->getListLevel( $odtElement->parentNode ) |
| + ( $odtElement->parentNode->localName === 'list' ? 1 : 0 ); |
| } |
| } |
| |
| ?> |