| <?php |
| /** |
| * File containing the ezcDocumentOdtEmphasisStyleFilterRule 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// |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| * @access private |
| */ |
| |
| /** |
| * Style filter rule to detect <emphasis/> elements. |
| * |
| * This style filter rule checks <text:span/> elements in ODT for bold |
| * font-weight. Such elements are considered to be translated to <emphasis/> |
| * elements in DocBook. |
| * |
| * @package Document |
| * @version //autogen// |
| * @access private |
| * @todo Emphasis can also be indicated by other styles like red color or |
| * similar. In addition, emphasis should be detected relatively to the |
| * surrounding style. Some kind of points-threshold-based system would |
| * be nice. |
| */ |
| class ezcDocumentOdtEmphasisStyleFilterRule 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 === 'span' ); |
| } |
| |
| /** |
| * Detects emphasis elements by their style. |
| * |
| * This method checks the style of the given $odtElement for bold |
| * font-weight ("bold" or value >= 700). If this is detected, the type of |
| * the element is set to be <emphasis/>. |
| * |
| * @param DOMElement $odtElement |
| * @param ezcDocumentOdtStyleInferencer $styleInferencer |
| */ |
| public function filter( DOMElement $odtElement, ezcDocumentOdtStyleInferencer $styleInferencer ) |
| { |
| $style = $styleInferencer->getStyle( $odtElement ); |
| $textProps = $style->formattingProperties->getProperties( |
| ezcDocumentOdtFormattingProperties::PROPERTIES_TEXT |
| ); |
| |
| if ( isset( $textProps['font-weight'] ) && ( $textProps['font-weight'] === 'bold' || $textProps['font-weight'] >= 700 ) ) |
| { |
| $odtElement->setProperty( |
| 'type', |
| 'emphasis' |
| ); |
| } |
| } |
| } |
| |
| ?> |