/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Emil Ong
*/
package com.caucho.xtpdoc;
import com.caucho.config.Config;
import com.caucho.vfs.Path;
import javax.annotation.PostConstruct;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.logging.Logger;
public class NavigationItem {
private static final Logger log
= Logger.getLogger(NavigationItem.class.getName());
private Navigation _navigation;
private NavigationItem _parent;
private String _uri;
private String _refUri;
private int _maxDepth = 3;
private int _depth;
private boolean _isRelative;
private String _link;
private String _ref;
private String _title;
private String _product;
private Document _document;
private String _description;
private ContentItem _fullDescription;
private boolean _atocDescend;
private Navigation _child;
private ArrayList<NavigationItem> _items = new ArrayList<NavigationItem>();
public NavigationItem(Navigation navigation,
NavigationItem parent,
int depth)
{
_navigation = navigation;
_parent = parent;
_document = navigation.getDocument();
_depth = depth;
}
public Navigation getNavigation()
{
return _navigation;
}
NavigationItem getParent()
{
return _parent;
}
void setParent(NavigationItem parent)
{
_parent = parent;
}
NavigationItem getPrevious()
{
NavigationItem parent = getParent();
if (parent != null) {
int p = parent._items.indexOf(this);
if (p > 0) {
NavigationItem ptr = _parent._items.get(p - 1);
while (ptr != null && ptr._items.size() > 0) {
ptr = ptr._items.get(ptr._items.size() - 1);
}
return ptr;
}
else
return parent;
}
return null;
}
NavigationItem getNext()
{
NavigationItem ptr = this;
NavigationItem child = null;
while (ptr != null) {
int p = ptr._items.indexOf(child);
if (p < 0 && ptr._items.size() > 0)
return ptr._items.get(0);
else if (p + 1 < ptr._items.size())
return ptr._items.get(p + 1);
child = ptr;
ptr = ptr.getParent();
}
return null;
}
ArrayList<NavigationItem> getChildren()
{
return _items;
}
void addChildren(ArrayList<NavigationItem> children)
{
_items.addAll(children);
}
String getUri()
{
return _uri;
}
protected void initSummary()
{
if (_child != null || _fullDescription != null)
return;
Path rootPath = _document.getDocumentPath().getParent();
if (_uri != null) {
Path linkPath = _document.getRealPath(_uri);
if (linkPath.exists() && linkPath.getPath().endsWith(".xtp")) {
Config config = new Config();
config.setEL(false);
try {
config.configure(_document, linkPath);
if (_document.getHeader() != null)
_fullDescription = _document.getHeader().getDescription();
else
_fullDescription = new Description(_document);
} catch (NullPointerException e) {
log.info("error configuring " + linkPath + ": " + e);
} catch (Exception e) {
log.info("error configuring " + linkPath + ": " + e);
}
if (_atocDescend) {
Path linkRoot = linkPath.getParent();
if (linkRoot.equals(_navigation.getRootPath().getParent()))
return;
Path subToc = linkPath.getParent().lookup("toc.xml");
if (subToc.exists()) {
_child = new Navigation(_navigation,
_uri,
linkRoot,
_depth + 1);
try {
config.configure(_child, subToc);
} catch (Exception e) {
log.info("Failed to configure " + subToc + ": " + e);
}
} else {
log.info(subToc + " does not exist!");
}
}
}
}
}
public void setATOCDescend(boolean atocDescend)
{
_atocDescend = atocDescend;
}
public void setLink(String link)
{
_link = link;
_isRelative = (_link.indexOf(':') < 0);
}
public String getLink()
{
return _link;
}
public void setReference(String ref)
{
_ref = ref;
}
public String getReference()
{
return _ref;
}
public String getReferenceUri()
{
return _refUri;
}
public void setTitle(String title)
{
_title = title;
}
public String getTitle()
{
return _title;
}
public void setDescription(String description)
{
_description = description;
}
public void setProduct(String product)
{
_product = product;
}
public NavigationItem createItem()
{
NavigationItem item = new NavigationItem(_navigation, this, _depth + 1);
_items.add(item);
return item;
}
@PostConstruct
public void init()
{
if (_isRelative) {
_uri = _navigation.getUri() + _link;
if (_ref != null)
_refUri = _navigation.getUri() + _ref;
}
else {
_uri = _link;
if (_ref != null)
_refUri = _ref;
}
_navigation.putItem(_uri, this);
}
public void writeHtml(XMLStreamWriter out, String path)
throws XMLStreamException
{
initSummary();
out.writeStartElement("dl");
out.writeAttribute("class", "atoc-top");
for (NavigationItem item : _items)
item.writeHtmlImpl(out, path, 0, 0, 3);
out.writeEndElement(); // dl
}
public void writeHtml(XMLStreamWriter out, String path,
int depth, int styleDepth, int maxDepth)
throws XMLStreamException
{
if (depth + styleDepth <= 1)
initSummary();
for (NavigationItem item : _items)
item.writeHtmlImpl(out, path, depth, styleDepth, maxDepth);
}
protected void writeHtmlImpl(XMLStreamWriter out, String path,
int depth, int styleDepth, int maxDepth)
throws XMLStreamException
{
if (maxDepth <= depth)
return;
if (depth + styleDepth <= 1)
initSummary();
if (_child != null && depth + 1 < maxDepth)
_child.initSummary();
if (depth <= 1) {
out.writeStartElement("h2");
out.writeAttribute("class", "section");
if (_link != null) {
out.writeStartElement("a");
if (_isRelative)
out.writeAttribute("href", path + _link);
else
out.writeAttribute("href", _link);
out.writeCharacters(_title);
out.writeEndElement(); // a
}
else
out.writeCharacters(_title);
out.writeEndElement(); // h2
}
else {
out.writeStartElement("dt");
out.writeStartElement("b");
if (_link != null) {
out.writeStartElement("a");
if (_isRelative)
out.writeAttribute("href", path + _link);
else
out.writeAttribute("href", _link);
out.writeCharacters(_title);
out.writeEndElement(); // a
if (_ref != null) {
out.writeStartElement("span");
out.writeAttribute("class", "ref");
out.writeCharacters(" ");
out.writeEntityRef("laquo");
out.writeStartElement("a");
if (_isRelative)
out.writeAttribute("href", path + _ref);
else
out.writeAttribute("href", _ref);
out.writeCharacters("ref");
out.writeEndElement(); // a
out.writeEntityRef("raquo");
out.writeEndElement(); // span
}
}
out.writeEndElement(); // b
if (_fullDescription != null && depth + styleDepth <= 1) {
}
else if (_description != null && depth > 1) {
out.writeCharacters(" - ");
out.writeCharacters(_description);
}
out.writeEndElement(); // dt
}
out.writeStartElement("dd");
// XXX: brief/paragraph/none
if (_fullDescription != null && depth + styleDepth <= 1) {
out.writeStartElement("p");
_fullDescription.writeHtml(out);
out.writeEndElement(); // p
}
if (_link != null) {
int p = _link.lastIndexOf('/');
String tail;
if (p >= 0)
tail = path + _link.substring(0, p + 1);
else
tail = path;
String depthString = (depth == 0) ? "top" : ("" + depth);
boolean hasDL = false;
if (_child != null || _items.size() > 0) {
out.writeStartElement("dl");
out.writeAttribute("class", "atoc-" + (depth + 1));
if (_child != null)
_child.writeHtml(out, tail, depth + 1, styleDepth, maxDepth);
else {
for (NavigationItem item : _items)
item.writeHtmlImpl(out, tail, depth + 1, styleDepth, maxDepth);
}
out.writeEndElement();
}
}
out.writeEndElement(); // dd
}
public void writeLeftNav(XMLStreamWriter out)
throws XMLStreamException
{
if (_parent != null)
_parent.writeLeftNavPre(out, this, 1);
writeLeftNavItem(out, this);
if (_items.size() > 0) {
out.writeStartElement("ul");
out.writeAttribute("class", "leftnav");
for (NavigationItem item : _items)
item.writeLeftNavNoParent(out, this);
out.writeEndElement(); // ul
}
if (_parent != null)
_parent.writeLeftNavPost(out, this);
}
public int writeLeftNavPre(XMLStreamWriter out,
NavigationItem caller,
int padding)
throws XMLStreamException
{
if (_parent != null)
padding = _parent.writeLeftNavPre(out, this, padding);
writeLeftNavItem(out, caller);
if (_items.size() > 0) {
out.writeStartElement("ul");
out.writeAttribute("class", "leftnav");
for (NavigationItem item : _items) {
if (item.getUri().equals(caller.getUri()))
return padding + 1;
item.writeLeftNavItem(out, caller);
}
return padding + 1;
}
else {
return padding;
}
}
public void writeLeftNavPost(XMLStreamWriter out, NavigationItem caller)
throws XMLStreamException
{
if (_items.size() > 0) {
boolean found = false;
for (NavigationItem item : _items) {
if (found)
item.writeLeftNavItem(out, caller);
if (item.getUri().equals(caller.getUri()))
found = true;
}
out.writeEndElement(); // ul
}
if (_parent != null) {
_parent.writeLeftNavPost(out, this);
}
}
public void writeLeftNavNoParent(XMLStreamWriter out, NavigationItem caller)
throws XMLStreamException
{
writeLeftNavItem(out, caller);
if (_items.size() > 0) {
out.writeStartElement("ul");
out.writeAttribute("class", "leftnav");
for (NavigationItem item : _items)
item.writeLeftNavNoParent(out, this);
out.writeEndElement(); // ul
}
}
private void writeLeftNavItem(XMLStreamWriter out, NavigationItem caller)
throws XMLStreamException
{
out.writeStartElement("li");
if (caller != null && _uri.equals(caller.getUri())) {
out.writeAttribute("class", "selected");
}
out.writeStartElement("a");
out.writeAttribute("href", _uri);
out.writeAttribute("class", "leftnav");
out.writeCharacters(_title.toLowerCase());
out.writeEndElement(); // a
if (_refUri != null) {
out.writeStartElement("span");
out.writeAttribute("class", "ref");
out.writeCharacters(" ");
out.writeEntityRef("laquo");
out.writeStartElement("a");
out.writeAttribute("href", _refUri);
out.writeAttribute("class", "leftnav");
out.writeCharacters("ref");
out.writeEndElement(); // a
out.writeEntityRef("raquo");
out.writeEndElement(); // span
}
out.writeEndElement(); // li
}
public void writeLink(XMLStreamWriter out)
throws XMLStreamException
{
out.writeStartElement("a");
out.writeAttribute("href", _uri);
out.writeCharacters(_title.toLowerCase());
out.writeEndElement(); // a
}
public void writeLaTeX(PrintWriter writer)
throws IOException
{
}
}