| /* |
| |
| 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.dom.AbstractDocument; |
| import org.apache.batik.dom.util.XLinkSupport; |
| import org.apache.batik.dom.util.XMLSupport; |
| import org.apache.batik.util.DoublyIndexedTable; |
| import org.apache.batik.util.SVGTypes; |
| |
| import org.w3c.dom.Node; |
| import org.w3c.dom.svg.SVGAnimatedLength; |
| import org.w3c.dom.svg.SVGElementInstance; |
| import org.w3c.dom.svg.SVGUseElement; |
| |
| /** |
| * This class implements {@link org.w3c.dom.svg.SVGUseElement}. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public class SVGOMUseElement |
| extends SVGURIReferenceGraphicsElement |
| implements SVGUseElement { |
| |
| /** |
| * Table mapping XML attribute names to TraitInformation objects. |
| */ |
| protected static DoublyIndexedTable xmlTraitInformation; |
| static { |
| DoublyIndexedTable t = |
| new DoublyIndexedTable(SVGURIReferenceGraphicsElement.xmlTraitInformation); |
| t.put(null, SVG_X_ATTRIBUTE, |
| new TraitInformation(true, SVGTypes.TYPE_LENGTH, PERCENTAGE_VIEWPORT_WIDTH)); |
| t.put(null, SVG_Y_ATTRIBUTE, |
| new TraitInformation(true, SVGTypes.TYPE_LENGTH, PERCENTAGE_VIEWPORT_HEIGHT)); |
| t.put(null, SVG_WIDTH_ATTRIBUTE, |
| new TraitInformation(true, SVGTypes.TYPE_LENGTH, PERCENTAGE_VIEWPORT_WIDTH)); |
| t.put(null, SVG_HEIGHT_ATTRIBUTE, |
| new TraitInformation(true, SVGTypes.TYPE_LENGTH, PERCENTAGE_VIEWPORT_HEIGHT)); |
| xmlTraitInformation = t; |
| } |
| |
| /** |
| * The attribute initializer. |
| */ |
| protected static final AttributeInitializer attributeInitializer; |
| static { |
| attributeInitializer = new AttributeInitializer(4); |
| attributeInitializer.addAttribute(XMLSupport.XMLNS_NAMESPACE_URI, |
| null, "xmlns:xlink", |
| XLinkSupport.XLINK_NAMESPACE_URI); |
| attributeInitializer.addAttribute(XLinkSupport.XLINK_NAMESPACE_URI, |
| "xlink", "type", "simple"); |
| attributeInitializer.addAttribute(XLinkSupport.XLINK_NAMESPACE_URI, |
| "xlink", "show", "embed"); |
| attributeInitializer.addAttribute(XLinkSupport.XLINK_NAMESPACE_URI, |
| "xlink", "actuate", "onLoad"); |
| } |
| |
| /** |
| * The 'x' attribute value. |
| */ |
| protected SVGOMAnimatedLength x; |
| |
| /** |
| * The 'y' attribute value. |
| */ |
| protected SVGOMAnimatedLength y; |
| |
| /** |
| * The 'width' attribute value. |
| */ |
| protected SVGOMAnimatedLength width; |
| |
| /** |
| * The 'height' attribute value. |
| */ |
| protected SVGOMAnimatedLength height; |
| |
| /** |
| * Store the shadow tree of the use element. |
| */ |
| protected SVGOMUseShadowRoot shadowTree; |
| |
| /** |
| * Creates a new SVGOMUseElement object. |
| */ |
| protected SVGOMUseElement() { |
| } |
| |
| /** |
| * Creates a new SVGOMUseElement object. |
| * @param prefix The namespace prefix. |
| * @param owner The owner document. |
| */ |
| public SVGOMUseElement(String prefix, AbstractDocument owner) { |
| super(prefix, owner); |
| initializeLiveAttributes(); |
| } |
| |
| /** |
| * Initializes all live attributes for this element. |
| */ |
| protected void initializeAllLiveAttributes() { |
| super.initializeAllLiveAttributes(); |
| initializeLiveAttributes(); |
| } |
| |
| /** |
| * Initializes the live attribute values of this element. |
| */ |
| private void initializeLiveAttributes() { |
| x = createLiveAnimatedLength |
| (null, SVG_X_ATTRIBUTE, SVG_USE_X_DEFAULT_VALUE, |
| SVGOMAnimatedLength.HORIZONTAL_LENGTH, false); |
| y = createLiveAnimatedLength |
| (null, SVG_Y_ATTRIBUTE, SVG_USE_Y_DEFAULT_VALUE, |
| SVGOMAnimatedLength.VERTICAL_LENGTH, false); |
| width = |
| createLiveAnimatedLength |
| (null, SVG_WIDTH_ATTRIBUTE, null, |
| SVGOMAnimatedLength.HORIZONTAL_LENGTH, true); |
| height = |
| createLiveAnimatedLength |
| (null, SVG_HEIGHT_ATTRIBUTE, null, |
| SVGOMAnimatedLength.VERTICAL_LENGTH, true); |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link Node#getLocalName()}. |
| */ |
| public String getLocalName() { |
| return SVG_USE_TAG; |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGUseElement#getX()}. |
| */ |
| public SVGAnimatedLength getX() { |
| return x; |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGUseElement#getY()}. |
| */ |
| public SVGAnimatedLength getY() { |
| return y; |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGUseElement#getWidth()}. |
| */ |
| public SVGAnimatedLength getWidth() { |
| return width; |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGUseElement#getHeight()}. |
| */ |
| public SVGAnimatedLength getHeight() { |
| return height; |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGUseElement#getInstanceRoot()}. |
| */ |
| public SVGElementInstance getInstanceRoot() { |
| throw new UnsupportedOperationException |
| ("SVGUseElement.getInstanceRoot is not implemented"); // XXX |
| } |
| |
| /** |
| * <b>DOM</b>: Implements {@link SVGUseElement#getAnimatedInstanceRoot()}. |
| */ |
| public SVGElementInstance getAnimatedInstanceRoot() { |
| throw new UnsupportedOperationException |
| ("SVGUseElement.getAnimatedInstanceRoot is not implemented"); // XXX |
| } |
| |
| // CSSNavigableNode /////////////////////////////////////////////// |
| |
| /** |
| * Returns the CSS first child node of this node. |
| */ |
| public Node getCSSFirstChild() { |
| if (shadowTree != null) { |
| return shadowTree.getFirstChild(); |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the CSS last child of this stylable element. |
| */ |
| public Node getCSSLastChild() { |
| // use element shadow trees only ever have a single element |
| return getCSSFirstChild(); |
| } |
| |
| /** |
| * Returns whether this node is the root of a (conceptual) hidden tree |
| * that selectors will not work across. Returns true here, since CSS |
| * selectors cannot work in the conceptual cloned sub-tree of the |
| * content referenced by the 'use' element. |
| */ |
| public boolean isHiddenFromSelectors() { |
| return true; |
| } |
| |
| /** |
| * Sets the shadow tree for this 'use' element. |
| */ |
| public void setUseShadowTree(SVGOMUseShadowRoot r) { |
| shadowTree = r; |
| } |
| |
| /** |
| * 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 SVGOMUseElement(); |
| } |
| |
| /** |
| * Returns the table of TraitInformation objects for this element. |
| */ |
| protected DoublyIndexedTable getTraitInformationTable() { |
| return xmlTraitInformation; |
| } |
| } |