| /* |
| |
| 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 org.apache.batik.dom.svg; |
| |
| import org.apache.batik.css.engine.CSSEngine; |
| import org.apache.batik.css.engine.CSSStyleSheetNode; |
| import org.apache.batik.css.engine.StyleSheet; |
| import org.apache.batik.dom.AbstractDocument; |
| import org.apache.batik.dom.util.XMLSupport; |
| import org.apache.batik.util.ParsedURL; |
| import org.apache.batik.util.XMLConstants; |
| |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.events.Event; |
| import org.w3c.dom.events.EventListener; |
| import org.w3c.dom.stylesheets.LinkStyle; |
| import org.w3c.dom.svg.SVGStyleElement; |
| |
| /** |
| * This class implements {@link SVGStyleElement}. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public class SVGOMStyleElement |
| extends SVGOMElement |
| implements CSSStyleSheetNode, |
| SVGStyleElement, |
| LinkStyle { |
| |
| // /** |
| // * Table mapping XML attribute names to TraitInformation objects. |
| // */ |
| // protected static DoublyIndexedTable xmlTraitInformation; |
| // static { |
| // DoublyIndexedTable t = |
| // new DoublyIndexedTable(SVGOMElement.xmlTraitInformation); |
| // t.put(null, SVG_MEDIA_ATTRIBUTE, |
| // new TraitInformation(false, SVGTypes.TYPE_CDATA)); |
| // t.put(null, SVG_TITLE_ATTRIBUTE, |
| // new TraitInformation(false, SVGTypes.TYPE_CDATA)); |
| // t.put(null, SVG_TYPE_ATTRIBUTE, |
| // new TraitInformation(false, SVGTypes.TYPE_CDATA)); |
| // xmlTraitInformation = t; |
| // } |
| |
| /** |
| * The attribute initializer. |
| */ |
| protected static final AttributeInitializer attributeInitializer; |
| |
| static { |
| attributeInitializer = new AttributeInitializer(1); |
| attributeInitializer.addAttribute(XMLSupport.XML_NAMESPACE_URI, |
| "xml", "space", "preserve"); |
| } |
| |
| /** |
| * The style sheet. |
| */ |
| protected transient org.w3c.dom.stylesheets.StyleSheet sheet; |
| |
| /** |
| * The DOM CSS style-sheet. |
| */ |
| protected transient StyleSheet styleSheet; |
| |
| /** |
| * The listener used to track the content changes. |
| */ |
| protected transient EventListener domCharacterDataModifiedListener = |
| new DOMCharacterDataModifiedListener(); |
| |
| /** |
| * Creates a new SVGOMStyleElement object. |
| */ |
| protected SVGOMStyleElement() { |
| } |
| |
| /** |
| * Creates a new SVGOMStyleElement object. |
| * @param prefix The namespace prefix. |
| * @param owner The owner document. |
| */ |
| public SVGOMStyleElement(String prefix, AbstractDocument owner) { |
| super(prefix, owner); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link org.w3c.dom.Node#getLocalName()}. |
| */ |
| public String getLocalName() { |
| return SVG_STYLE_TAG; |
| } |
| |
| /** |
| * Returns the associated style-sheet. |
| */ |
| public StyleSheet getCSSStyleSheet() { |
| if (styleSheet == null) { |
| if (getType().equals("text/css")) { |
| SVGOMDocument doc = (SVGOMDocument)getOwnerDocument(); |
| CSSEngine e = doc.getCSSEngine(); |
| String text = ""; |
| Node n = getFirstChild(); |
| if (n != null) { |
| StringBuffer sb = new StringBuffer(); |
| while (n != null) { |
| if (n.getNodeType() == Node.CDATA_SECTION_NODE |
| || n.getNodeType() == Node.TEXT_NODE) |
| sb.append(n.getNodeValue()); |
| n = n.getNextSibling(); |
| } |
| text = sb.toString(); |
| } |
| ParsedURL burl = null; |
| String bu = getBaseURI(); |
| if (bu != null) { |
| burl = new ParsedURL(bu); |
| } |
| String media = getAttributeNS(null, SVG_MEDIA_ATTRIBUTE); |
| styleSheet = e.parseStyleSheet(text, burl, media); |
| addEventListenerNS(XMLConstants.XML_EVENTS_NAMESPACE_URI, |
| "DOMCharacterDataModified", |
| domCharacterDataModifiedListener, |
| false, |
| null); |
| } |
| } |
| return styleSheet; |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link |
| * org.w3c.dom.stylesheets.LinkStyle#getSheet()}. |
| */ |
| public org.w3c.dom.stylesheets.StyleSheet getSheet() { |
| throw new UnsupportedOperationException |
| ("LinkStyle.getSheet() is not implemented"); // XXX |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGStyleElement#getXMLspace()}. |
| */ |
| public String getXMLspace() { |
| return XMLSupport.getXMLSpace(this); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGStyleElement#setXMLspace(String)}. |
| */ |
| public void setXMLspace(String space) throws DOMException { |
| setAttributeNS(XML_NAMESPACE_URI, XML_SPACE_QNAME, space); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGStyleElement#getType()}. |
| */ |
| public String getType() { |
| return getAttributeNS(null, SVG_TYPE_ATTRIBUTE); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGStyleElement#setType(String)}. |
| */ |
| public void setType(String type) throws DOMException { |
| setAttributeNS(null, SVG_TYPE_ATTRIBUTE, type); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGStyleElement#getMedia()}. |
| */ |
| public String getMedia() { |
| return getAttribute(SVG_MEDIA_ATTRIBUTE); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGStyleElement#setMedia(String)}. |
| */ |
| public void setMedia(String media) throws DOMException { |
| setAttribute(SVG_MEDIA_ATTRIBUTE, media); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGStyleElement#getTitle()}. |
| */ |
| public String getTitle() { |
| return getAttribute(SVG_TITLE_ATTRIBUTE); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGStyleElement#setTitle(String)}. |
| */ |
| public void setTitle(String title) throws DOMException { |
| setAttribute(SVG_TITLE_ATTRIBUTE, title); |
| } |
| |
| /** |
| * Returns the AttributeInitializer for this element type. |
| * @return null if this element has no attribute with a default value. |
| */ |
| protected AttributeInitializer getAttributeInitializer() { |
| return attributeInitializer; |
| } |
| |
| /** |
| * Returns a new uninitialized instance of this object's class. |
| */ |
| protected Node newNode() { |
| return new SVGOMStyleElement(); |
| } |
| |
| // /** |
| // * Returns the table of TraitInformation objects for this element. |
| // */ |
| // protected DoublyIndexedTable getTraitInformationTable() { |
| // return xmlTraitInformation; |
| // } |
| |
| /** |
| * The DOMCharacterDataModified listener. |
| */ |
| protected class DOMCharacterDataModifiedListener |
| implements EventListener { |
| public void handleEvent(Event evt) { |
| styleSheet = null; |
| } |
| } |
| } |