File TableFilter.java
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Classes
| Class | Line # | Actions | |||||
|---|---|---|---|---|---|---|---|
| TableFilter | 43 | 15 | 0% | 4 | 1 |
Contributing tests
This file is covered by 20 tests.
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| 1 | /* | |
| 2 | * See the NOTICE file distributed with this work for additional | |
| 3 | * information regarding copyright ownership. | |
| 4 | * | |
| 5 | * This is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms of the GNU Lesser General Public License as | |
| 7 | * published by the Free Software Foundation; either version 2.1 of | |
| 8 | * the License, or (at your option) any later version. | |
| 9 | * | |
| 10 | * This software is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | * Lesser General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU Lesser General Public | |
| 16 | * License along with this software; if not, write to the Free | |
| 17 | * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
| 18 | * 02110-1301 USA, or see the FSF site: http://www.fsf.org. | |
| 19 | */ | |
| 20 | package org.xwiki.officeimporter.internal.filter; | |
| 21 | ||
| 22 | import java.util.List; | |
| 23 | import java.util.Map; | |
| 24 | ||
| 25 | import javax.inject.Named; | |
| 26 | import javax.inject.Singleton; | |
| 27 | ||
| 28 | import org.w3c.dom.Document; | |
| 29 | import org.w3c.dom.Element; | |
| 30 | import org.xwiki.component.annotation.Component; | |
| 31 | import org.xwiki.xml.html.filter.AbstractHTMLFilter; | |
| 32 | import org.xwiki.xml.html.filter.ElementSelector; | |
| 33 | ||
| 34 | /** | |
| 35 | * This filter is used to rip-off or modify HTML tables so that they can be rendered properly. | |
| 36 | * | |
| 37 | * @version $Id: b996f90707b02570eafb5e3784888a64ac38ea4c $ | |
| 38 | * @since 1.8M1 | |
| 39 | */ | |
| 40 | @Component | |
| 41 | @Named("officeimporter/table") | |
| 42 | @Singleton | |
| 43 | public class TableFilter extends AbstractHTMLFilter | |
| 44 | { | |
| 45 | 66 |  @Override |
| 46 | public void filter(Document document, Map<String, String> cleaningParams) | |
| 47 | { | |
| 48 | // Remove isolated paragraphs inside cell items / table header items. | |
| 49 | 66 | List<Element> tableCells = filterDescendants(document.getDocumentElement(), new String[] {TAG_TD, TAG_TH}); |
| 50 | 66 | for (Element cell : tableCells) { |
| 51 | 12 | List<Element> paragraphs = filterChildren(cell, TAG_P); |
| 52 | 12 | if (paragraphs.size() == 1) { |
| 53 | 2 | replaceWithChildren(paragraphs.get(0)); |
| 54 | } | |
| 55 | } | |
| 56 | // Strip off empty table rows. See http://jira.xwiki.org/jira/browse/XWIKI-3136. | |
| 57 | 66 | List<Element> emptyRows = |
| 58 | filterDescendants(document.getDocumentElement(), new String[] {TAG_TR}, new ElementSelector() | |
| 59 | { | |
| 60 | 11 | @Override |
| 61 | public boolean isSelected(Element element) | |
| 62 | { | |
| 63 | 11 | return element.getChildNodes().getLength() == 0; |
| 64 | } | |
| 65 | }); | |
| 66 | 66 | for (Element emptyRow : emptyRows) { |
| 67 | 1 | emptyRow.getParentNode().removeChild(emptyRow); |
| 68 | } | |
| 69 | // Remove problematic rowspan attributes. | |
| 70 | 66 | List<Element> rows = filterDescendants(document.getDocumentElement(), new String[] {TAG_TR}); |
| 71 | 66 | for (Element row : rows) { |
| 72 | 10 | List<Element> childCells = filterDescendants(row, new String[] {TAG_TD}); |
| 73 | 10 | if (hasAttribute(childCells, ATTRIBUTE_ROWSPAN, true)) { |
| 74 | 10 | for (Element childCell : childCells) { |
| 75 | 9 | childCell.removeAttribute(ATTRIBUTE_ROWSPAN); |
| 76 | } | |
| 77 | } | |
| 78 | } | |
| 79 | } | |
| 80 | } |