/*
* {{{ header & license
* Copyright (c) 2007 Vianney le Clément
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program 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. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* }}}
*/
package org.xhtmlrenderer.simple;
import java.io.File;
import java.io.InputStream;
import java.net.MalformedURLException;
import org.eclipse.swt.widgets.Composite;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xhtmlrenderer.extend.ReplacedElementFactory;
import org.xhtmlrenderer.extend.UserAgentCallback;
import org.xhtmlrenderer.simple.xhtml.XhtmlForm;
import org.xhtmlrenderer.simple.xhtml.XhtmlNamespaceHandler;
import org.xhtmlrenderer.simple.xhtml.swt.SWTXhtmlReplacedElementFactory;
import org.xhtmlrenderer.swt.BasicRenderer;
import org.xhtmlrenderer.swt.CursorListener;
import org.xhtmlrenderer.swt.HoverListener;
import org.xhtmlrenderer.swt.LinkListener;
import org.xhtmlrenderer.util.Configuration;
/**
* Simplified {@link BasicRenderer}, for use with XHTML documents.
*
* @author Vianney le Clément
*
*/
public class SWTXHTMLRenderer extends BasicRenderer {
public SWTXHTMLRenderer(Composite parent, int style) {
super(parent, style);
init();
}
public SWTXHTMLRenderer(Composite parent, int style, UserAgentCallback uac) {
super(parent, style, uac);
init();
}
protected void init() {
getSharedContext().setReplacedElementFactory(
new SWTXhtmlReplacedElementFactory(this));
if (Configuration.isTrue("xr.use.listeners", true)) {
new HoverListener(this);
new CursorListener(this);
new LinkListener(this);
}
}
/**
* Loads and renders a Document given a uri. The uri is resolved by the
* UserAgentCallback
*
* @param uri
*/
public void setDocument(String uri) {
setDocument(loadDocument(uri), uri);
}
/**
* Renders an XML Document instance. Make sure that no relative resources
* are needed
*
* @param doc The document to render.
*/
public void setDocument(Document doc) {
setDocument(doc, "");
}
/**
* Renders a Document using a URL as a base URL for relative paths.
*
* @param doc The new document value
* @param url The new document value
*/
public void setDocument(Document doc, String url) {
super.setDocument(doc, url, new XhtmlNamespaceHandler());
}
/**
* Renders a Document read from an InputStream using a URL as a base URL for
* relative paths.
*
* @param stream The stream to read the Document from.
* @param url The URL used to resolve relative path references.
*/
public void setDocument(InputStream stream, String url) {
super.setDocument(stream, url, new XhtmlNamespaceHandler());
}
/**
* Renders a Document read from an InputStream using a URL as a base URL for
* relative paths.
*
* @param file The file to read the Document from. Relative paths will be
* resolved based on the file's parent directory.
* @throws MalformedURLException
*/
public void setDocument(File file) throws MalformedURLException {
File parent = file.getParentFile();
String parentURL = (parent == null ? "" : parent.toURI().toURL()
.toExternalForm());
setDocument(loadDocument(file.toURI().toURL().toExternalForm()),
parentURL);
}
/**
* @param e
* @return the form corresponding to element <code>e</code> or
* <code>null</code> if none
*/
public XhtmlForm getForm(Element e) {
ReplacedElementFactory ref = getSharedContext()
.getReplacedElementFactory();
if (ref != null && ref instanceof SWTXhtmlReplacedElementFactory) {
return ((SWTXhtmlReplacedElementFactory) ref).getForm(e);
}
return null;
}
}