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/*

   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.anim.dom;

import org.apache.batik.dom.AbstractDocument;
import org.apache.batik.dom.svg.SVGZoomAndPanSupport;
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.SVGAnimatedBoolean;
import org.w3c.dom.svg.SVGAnimatedPreserveAspectRatio;
import org.w3c.dom.svg.SVGAnimatedRect;
import org.w3c.dom.svg.SVGSymbolElement;

/**
 * This class implements {@link SVGSymbolElement}.
 *
 * @author Stephane Hillion
 * @version $Id: SVGOMSymbolElement.java 1733416 2016-03-03 07:07:13Z gadams $
 */
public class SVGOMSymbolElement
    extends    SVGStylableElement
    implements SVGSymbolElement {

    /**
     * Table mapping XML attribute names to TraitInformation objects.
     */
    protected static DoublyIndexedTable xmlTraitInformation;
    static {
        DoublyIndexedTable t =
            new DoublyIndexedTable(SVGStylableElement.xmlTraitInformation);
        t.put(null, SVG_EXTERNAL_RESOURCES_REQUIRED_ATTRIBUTE,
                new TraitInformation(true, SVGTypes.TYPE_BOOLEAN));
        t.put(null, SVG_PRESERVE_ASPECT_RATIO_ATTRIBUTE,
                new TraitInformation(true, SVGTypes.TYPE_PRESERVE_ASPECT_RATIO_VALUE));
        t.put(null, SVG_VIEW_BOX_ATTRIBUTE,
                new TraitInformation(true, SVGTypes.TYPE_NUMBER_LIST));
        xmlTraitInformation = t;
    }

    /**
     * The 'preserveAspectRatio' attribute value.
     */
    protected SVGOMAnimatedPreserveAspectRatio preserveAspectRatio;

    /**
     * The attribute initializer.
     */
    protected static final AttributeInitializer attributeInitializer;
    static {
        attributeInitializer = new AttributeInitializer(1);
        attributeInitializer.addAttribute(null,
                                          null,
                                          SVG_PRESERVE_ASPECT_RATIO_ATTRIBUTE,
                                          "xMidYMid meet");
    }

    /**
     * The 'externalResourcesRequired' attribute value.
     */
    protected SVGOMAnimatedBoolean externalResourcesRequired;

    /**
     * Creates a new SVGOMSymbolElement object.
     */
    protected SVGOMSymbolElement() {
    }

    /**
     * Creates a new SVGOMSymbolElement object.
     * @param prefix The namespace prefix.
     * @param owner The owner document.
     */
    public SVGOMSymbolElement(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() {
        preserveAspectRatio = createLiveAnimatedPreserveAspectRatio();
    }

    /**
     * DOM: Implements {@link Node#getLocalName()}.
     */
    public String getLocalName() {
        return SVG_SYMBOL_TAG;
    }

    // SVGLangSpace support //////////////////////////////////////////////////

    /**
     * DOM: Returns the xml:lang attribute value.
     */
    public String getXMLlang() {
        return XMLSupport.getXMLLang(this);
    }

    /**
     * DOM: Sets the xml:lang attribute value.
     */
    public void setXMLlang(String lang) {
        setAttributeNS(XML_NAMESPACE_URI, XML_LANG_QNAME, lang);
    }

    /**
     * DOM: Returns the xml:space attribute value.
     */
    public String getXMLspace() {
        return XMLSupport.getXMLSpace(this);
    }

    /**
     * DOM: Sets the xml:space attribute value.
     */
    public void setXMLspace(String space) {
        setAttributeNS(XML_NAMESPACE_URI, XML_SPACE_QNAME, space);
    }

    // SVGZoomAndPan support ///////////////////////////////////////////////

    /**
     * DOM: Implements {@link
     * org.w3c.dom.svg.SVGZoomAndPan#getZoomAndPan()}.
     */
    public short getZoomAndPan() {
        return SVGZoomAndPanSupport.getZoomAndPan(this);
    }

    /**
     * DOM: Implements {@link
     * org.w3c.dom.svg.SVGZoomAndPan#getZoomAndPan()}.
     */
    public void setZoomAndPan(short val) {
        SVGZoomAndPanSupport.setZoomAndPan(this, val);
    }

    // SVGFitToViewBox support ////////////////////////////////////////////

    /**
     * DOM: Implements {@link org.w3c.dom.svg.SVGFitToViewBox#getViewBox()}.
     */
    public SVGAnimatedRect getViewBox() {
        throw new UnsupportedOperationException
            ("SVGFitToViewBox.getViewBox is not implemented"); // XXX
    }

    /**
     * DOM: Implements {@link
     * org.w3c.dom.svg.SVGFitToViewBox#getPreserveAspectRatio()}.
     */
    public SVGAnimatedPreserveAspectRatio getPreserveAspectRatio() {
        return preserveAspectRatio;
    }

    // SVGExternalResourcesRequired support /////////////////////////////

    /**
     * DOM: Implements {@link
     * org.w3c.dom.svg.SVGExternalResourcesRequired}.
     */
    public SVGAnimatedBoolean getExternalResourcesRequired() {
        return externalResourcesRequired;
    }

    /**
     * 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 SVGOMSymbolElement();
    }

    /**
     * Returns the table of TraitInformation objects for this element.
     */
    protected DoublyIndexedTable getTraitInformationTable() {
        return xmlTraitInformation;
    }
}