| /******************************************************************************* |
| * Copyright (c) 2007, 2008 IBM Corporation and Others |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Tatsuya ISHIHARA - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.actf.model.dom.odf.text.impl; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.actf.model.dom.odf.base.ODFDocument; |
| import org.eclipse.actf.model.dom.odf.base.ODFElement; |
| import org.eclipse.actf.model.dom.odf.base.impl.ODFStylableElementImpl; |
| import org.eclipse.actf.model.dom.odf.style.StyleConstants; |
| import org.eclipse.actf.model.dom.odf.style.StyleElement; |
| import org.eclipse.actf.model.dom.odf.text.ListElement; |
| import org.eclipse.actf.model.dom.odf.text.ListItemElement; |
| import org.eclipse.actf.model.dom.odf.text.ListLevelStyleBulletElement; |
| import org.eclipse.actf.model.dom.odf.text.ListLevelStyleNumberElement; |
| import org.eclipse.actf.model.dom.odf.text.ListStyleElement; |
| import org.eclipse.actf.model.dom.odf.text.TextConstants; |
| import org.eclipse.actf.util.xpath.XPathService; |
| import org.eclipse.actf.util.xpath.XPathServiceFactory; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| class ListElementImpl extends ODFStylableElementImpl implements ListElement { |
| private static final long serialVersionUID = -1816073361921569606L; |
| |
| private static final XPathService xpathService = XPathServiceFactory |
| .newService(); |
| private static final Object EXP1 = xpathService |
| .compile("./*[namespace-uri()='" + TextConstants.TEXT_NAMESPACE_URI |
| + "' and local-name()='list-item']"); |
| |
| protected ListElementImpl(ODFDocument odfDoc, Element element) { |
| super(odfDoc, element); |
| } |
| |
| public long getSize() { |
| return xpathService.evalForNodeList(EXP1, this).getLength(); |
| } |
| |
| public ListItemElement getItem(long idx) { |
| NodeList nodeList = xpathService.evalPathForNodeList( |
| "./*[namespace-uri()='" + TextConstants.TEXT_NAMESPACE_URI |
| + "' and local-name()='list-item'][" + (idx + 1) + "]", |
| this); |
| if ((nodeList != null) && (nodeList.getLength() == 1) |
| && (nodeList.item(0) instanceof ListItemElement)) |
| return (ListItemElement) nodeList.item(0); |
| return null; |
| } |
| |
| public StyleElement getStyle() { |
| ListElement topLevelList = getTopLevelListElement(); |
| String styleName = topLevelList |
| .getAttributeNS(TextConstants.TEXT_NAMESPACE_URI, |
| TextConstants.ATTR_STYLE_NAME); |
| ODFElement elem = findElementByAttrValue( |
| TextConstants.TEXT_NAMESPACE_URI, |
| TextConstants.ELEMENT_LIST_STYLE, |
| StyleConstants.STYLE_NAMESPACE_URI, StyleConstants.ATTR_NAME, |
| styleName); |
| if ((elem != null) && (elem instanceof ListStyleElement)) |
| return (StyleElement) elem; |
| return null; |
| } |
| |
| public void appendItem(ListItemElement item) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| public void insertBefore(ListItemElement item, long idx) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| public long getContentSize() { |
| // TODO Auto-generated method stub |
| return 0; |
| } |
| |
| public Iterator getChildIterator() { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| public long getListLevel() { |
| long level = 1; |
| ListElement topListElem = this; |
| while (true) { |
| Node parent = topListElem.getParentNode(); |
| Node gparent = null; |
| if (parent != null) |
| gparent = parent.getParentNode(); |
| if ((parent != null) && (parent instanceof ListItemElement) |
| && (gparent != null) && (gparent instanceof ListElement)) { |
| topListElem = (ListElement) gparent; |
| level++; |
| } else { |
| break; |
| } |
| } |
| return level; |
| } |
| |
| public ListElement getTopLevelListElement() { |
| ListElement topListElem = this; |
| while (true) { |
| Node parent = topListElem.getParentNode(); |
| Node gparent = null; |
| if (parent != null) |
| gparent = parent.getParentNode(); |
| if ((parent != null) && (parent instanceof ListItemElement) |
| && (gparent != null) && (gparent instanceof ListElement)) { |
| topListElem = (ListElement) gparent; |
| } else { |
| break; |
| } |
| } |
| return topListElem; |
| } |
| |
| public StyleElement getListLevelStyleElement() { |
| long level = getListLevel(); |
| StyleElement style = getStyle(); |
| if (style == null) |
| return null; |
| NodeList children = style.getChildNodes(); |
| for (int i = 0; i < children.getLength(); i++) { |
| Node child = children.item(i); |
| if (child instanceof StyleElement) { |
| if ((child instanceof ListLevelStyleBulletElement) |
| && (((ListLevelStyleBulletElement) child) |
| .getAttrLevel() == level)) { |
| return (StyleElement) child; |
| } else if ((child instanceof ListLevelStyleNumberElement) |
| && (((ListLevelStyleNumberElement) child) |
| .getAttrLevel() == level)) { |
| return (StyleElement) child; |
| } |
| } |
| } |
| return null; |
| } |
| } |