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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* 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 org.apache.fop.fo.flow;
// Java
import java.util.List;
// XML
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.xml.sax.SAXParseException;
// FOP
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.FObj;
/**
* Class modelling the fo:footnote object.
*/
public class Footnote extends FObj {
private Inline inlineFO = null;
private FootnoteBody footnoteBody;
/**
* @param parent FONode that is the parent of this object
*/
public Footnote(FONode parent) {
super(parent);
}
/**
* @see org.apache.fop.fo.FObj#addProperties
*/
protected void addProperties(Attributes attlist) throws SAXParseException {
super.addProperties(attlist);
getFOEventHandler().startFootnote(this);
}
/**
* @see org.apache.fop.fo.FONode#validateChildNode(Locator, String, String)
* XSL Content Model: (inline,footnote-body)
* @todo: implement additional constraint: An fo:footnote is not permitted
* to have an fo:float, fo:footnote, or fo:marker as a descendant.
* @todo: implement additional constraint: An an fo:footnote is not
* permitted to have as a descendant an fo:block-container that
* generates an absolutely positioned area.
*/
protected void validateChildNode(Locator loc, String nsURI, String localName)
throws SAXParseException {
if (nsURI == FO_URI && localName.equals("inline")) {
if (inlineFO != null) {
tooManyNodesError(loc, "fo:inline");
}
} else if (nsURI == FO_URI && localName.equals("footnote-body")) {
if (inlineFO == null) {
nodesOutOfOrderError(loc, "fo:inline", "fo:footnote-body");
} else if (footnoteBody != null) {
tooManyNodesError(loc, "fo:footnote-body");
}
} else {
invalidChildError(loc, nsURI, localName);
}
}
/**
* Make sure content model satisfied, if so then tell the
* FOEventHandler that we are at the end of the flow.
* @see org.apache.fop.fo.FONode#endOfNode
*/
protected void endOfNode() throws SAXParseException {
super.endOfNode();
if (inlineFO == null || footnoteBody == null) {
missingChildElementError("(inline,footnote-body)");
}
getFOEventHandler().endFootnote(this);
}
/**
* @see org.apache.fop.fo.FONode#addChildNode(FONode)
*/
public void addChildNode(FONode child) {
if (((FObj)child).getNameId() == FO_INLINE) {
inlineFO = (Inline) child;
} else if (((FObj)child).getNameId() == FO_FOOTNOTE_BODY) {
footnoteBody = (FootnoteBody) child;
}
}
/**
* Public accessor for inline FO
* @return the Inline object stored as inline FO
*/
public Inline getInlineFO() {
return inlineFO;
}
/**
* @see org.apache.fop.fo.FONode#addLayoutManager(List)
*/
public void addLayoutManager(List list) {
if (getInlineFO() == null) {
getLogger().error("inline required in footnote");
return;
}
getInlineFO().addLayoutManager(list);
}
/**
* @see org.apache.fop.fo.FObj#getName()
*/
public String getName() {
return "fo:footnote";
}
/**
* @see org.apache.fop.fo.FObj#getNameId()
*/
public int getNameId() {
return FO_FOOTNOTE;
}
}
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