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⏎ net/sourceforge/jeuclid/elements/presentation/enlivening/Maction.java

/*
 * Copyright 2002 - 2007 JEuclid, http://jeuclid.sf.net
 * 
 * Licensed 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.
 */

/* $Id$ */

package net.sourceforge.jeuclid.elements.presentation.enlivening;

import java.util.Collections;
import java.util.List;

import net.sourceforge.jeuclid.elements.AbstractElementWithDelegates;
import net.sourceforge.jeuclid.layout.LayoutableNode;

import org.apache.batik.dom.AbstractDocument;
import org.w3c.dom.Node;
import org.w3c.dom.mathml.MathMLActionElement;

/**
 * Represents an maction element.
 * <p>
 * TODO: This element does not actually implement any action.
 * 
 * @version $Revision$
 */
public final class Maction extends AbstractElementWithDelegates implements
        MathMLActionElement {

    /**
     * The XML element from this class.
     */
    public static final String ELEMENT = "maction";

    private static final String ATTR_ACTIONTYPE = "actiontype";

    private static final String ATTR_SELECTION = "selection";

    private static final long serialVersionUID = 1L;

    /**
     * Default constructor. Sets MathML Namespace.
     * 
     * @param qname
     *            Qualified name.
     * @param odoc
     *            Owner Document.
     */
    public Maction(final String qname, final AbstractDocument odoc) {
        super(qname, odoc);
        this.setDefaultMathAttribute(Maction.ATTR_SELECTION, "1");
    }

    /** {@inheritDoc} */
    @Override
    protected Node newNode() {
        return new Maction(this.nodeName, this.ownerDocument);
    }

    /** {@inheritDoc} */
    public String getActiontype() {
        return this.getMathAttribute(Maction.ATTR_ACTIONTYPE);
    }

    /** {@inheritDoc} */
    public String getSelection() {
        return this.getMathAttribute(Maction.ATTR_SELECTION);
    }

    /** {@inheritDoc} */
    public void setActiontype(final String actiontype) {
        this.setAttribute(Maction.ATTR_ACTIONTYPE, actiontype);
    }

    /** {@inheritDoc} */
    public void setSelection(final String selection) {
        this.setAttribute(Maction.ATTR_SELECTION, selection);
    }

    /** {@inheritDoc} */
    @Override
    protected List<LayoutableNode> createDelegates() {
        LayoutableNode selectedElement;
        try {
            final int selected = Integer.parseInt(this.getSelection());
            selectedElement = this.getMathElement(selected - 1);
        } catch (final NumberFormatException nfe) {
            selectedElement = null;
        }

        if (selectedElement == null) {
            return Collections.emptyList();
        } else {
            return Collections.singletonList(selectedElement);
        }
    }

}

⏎ net/sourceforge/jeuclid/elements/presentation/enlivening/Maction.java

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File name: jeuclid-core-3.1.14-fyi.zip
File size: 325716 bytes
Release date: 2019-02-24
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