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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.
*/
/* $Id$ */
package org.apache.fop.render.intermediate.extensions;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
import org.apache.xmlgraphics.util.XMLizable;
import org.apache.fop.util.XMLUtil;
/**
* This class is a bookmark element for use in the intermediate format.
*/
public class Bookmark implements XMLizable, DocumentNavigationExtensionConstants {
private String title;
private boolean show;
private List childBookmarks;
private AbstractAction action;
/**
* Creates a new bookmark.
* @param title the bookmark's title
* @param show true if the bookmark shall be shown, false for hidden
* @param action the action performed when the bookmark is clicked
*/
public Bookmark(String title, boolean show, AbstractAction action) {
this.title = title;
this.show = show;
this.action = action;
}
/**
* Returns the bookmark's title.
* @return the title
*/
public String getTitle() {
return this.title;
}
/**
* Indicates whether the bookmark shall be shown initially.
* @return true if it shall be shown
*/
public boolean isShown() {
return this.show;
}
/**
* Returns the action performed when the bookmark is clicked.
* @return the action
*/
public AbstractAction getAction() {
return this.action;
}
/**
* Sets the action performed when the bookmark is clicked.
* @param action the action
*/
public void setAction(AbstractAction action) {
this.action = action;
}
/**
* Adds a child bookmark.
* @param bookmark the child bookmark
*/
public void addChildBookmark(Bookmark bookmark) {
if (this.childBookmarks == null) {
this.childBookmarks = new java.util.ArrayList();
}
this.childBookmarks.add(bookmark);
}
/**
* Returns a list of child bookmarks.
* @return the child bookmarks
*/
public List getChildBookmarks() {
if (this.childBookmarks == null) {
return Collections.EMPTY_LIST;
} else {
return Collections.unmodifiableList(this.childBookmarks);
}
}
/** {@inheritDoc} */
public void toSAX(ContentHandler handler) throws SAXException {
AttributesImpl atts = new AttributesImpl();
atts.addAttribute(null, "title", "title", XMLUtil.CDATA, getTitle());
atts.addAttribute(null, "starting-state", "starting-state",
XMLUtil.CDATA, isShown() ? "show" : "hide");
handler.startElement(BOOKMARK.getNamespaceURI(),
BOOKMARK.getLocalName(), BOOKMARK.getQName(), atts);
if (getAction() != null) {
getAction().toSAX(handler);
}
if (this.childBookmarks != null) {
Iterator iter = this.childBookmarks.iterator();
while (iter.hasNext()) {
Bookmark b = (Bookmark)iter.next();
b.toSAX(handler);
}
}
handler.endElement(BOOKMARK.getNamespaceURI(),
BOOKMARK.getLocalName(), BOOKMARK.getQName());
}
}
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