public HtmlRendererContext open(
URL url, String windowName, String windowFeatures, boolean replace) {
TestFrame frame = new TestFrame("Cobra Test Tool");
frame.setSize(600, 400);
frame.setExtendedState(TestFrame.NORMAL);
frame.setVisible(true);
HtmlRendererContext ctx = frame.getHtmlRendererContext();
ctx.setOpener(this);
frame.navigate(url.toExternalForm());
return ctx;
}
public HtmlRendererContext open(
URL url, String windowName, String windowFeatures, boolean replace) {
// This is called on window.open().
HtmlPanel newPanel = new HtmlPanel();
JFrame frame = new JFrame();
frame.setSize(600, 400);
frame.getContentPane().add(newPanel);
HtmlRendererContext newCtx =
new LocalHtmlRendererContext(newPanel, this.getUserAgentContext());
newCtx.navigate(url, "_this");
return newCtx;
}
private void initComponents() {
setLayout(new BorderLayout());
final JPanel containerPanel = new JPanel();
containerPanel.setLayout(new BorderLayout());
theRendererContext = new SimpleHtmlRendererContext(theSheetPanel);
theDocBuilder =
new DocumentBuilderImpl(theRendererContext.getUserAgentContext(), theRendererContext);
theSheetPanel = new HtmlPanel();
containerPanel.add(theSheetPanel, BorderLayout.CENTER);
theSelectPanel = new SelectPanel(this);
theSplitPane =
new FlippingSplitPane(JSplitPane.HORIZONTAL_SPLIT, containerPanel, theSelectPanel);
theSplitPane.setOneTouchExpandable(true);
theSplitPane.setDividerSize(10);
add(theSplitPane, BorderLayout.CENTER);
theSheetPanel.setPreferredWidth(this.getWidth());
addComponentListener(
new ComponentAdapter() {
@Override
public void componentShown(@SuppressWarnings("unused") ComponentEvent evt) {
formComponentShown();
}
});
}
/**
* Renders HTML given as a string.
*
* @param htmlSource The HTML source code.
* @param uri A base URI used to resolve item URIs.
* @param rcontext The {@link HtmlRendererContext} instance.
* @see org.lobobrowser.html.test.SimpleHtmlRendererContext
* @see #setDocument(Document, HtmlRendererContext)
*/
public void setHtml(
final String htmlSource, final String uri, final HtmlRendererContext rcontext) {
try {
final DocumentBuilderImpl builder =
new DocumentBuilderImpl(rcontext.getUserAgentContext(), rcontext);
try (final Reader reader = new StringReader(htmlSource)) {
final InputSourceImpl is = new InputSourceImpl(reader, uri);
final Document document = builder.parse(is);
this.setDocument(document, rcontext);
}
} catch (final java.io.IOException ioe) {
throw new IllegalStateException("Unexpected condition.", ioe);
} catch (final org.xml.sax.SAXException se) {
throw new IllegalStateException("Unexpected condition.", se);
}
}
private void setDocumentImpl(final Document node, final HtmlRendererContext rcontext) {
// Expected to be called in the GUI thread.
/*
if (!(node instanceof HTMLDocumentImpl)) {
throw new IllegalArgumentException("Only nodes of type HTMLDocumentImpl are currently supported. Use DocumentBuilderImpl.");
}
*/
if (this.rootNode instanceof HTMLDocumentImpl) {
final HTMLDocumentImpl prevDocument = (HTMLDocumentImpl) this.rootNode;
prevDocument.removeDocumentNotificationListener(this.notificationListener);
}
if (node instanceof HTMLDocumentImpl) {
final HTMLDocumentImpl nodeImpl = (HTMLDocumentImpl) node;
nodeImpl.addDocumentNotificationListener(this.notificationListener);
}
if (node instanceof NodeImpl) {
final NodeImpl nodeImpl = (NodeImpl) node;
this.rootNode = nodeImpl;
final NodeImpl fsrn = this.getFrameSetRootNode(nodeImpl);
final boolean newIfs = fsrn != null;
if ((newIfs != this.isFrameSet) || (this.getComponentCount() == 0)) {
this.isFrameSet = newIfs;
if (newIfs) {
this.setUpFrameSet(fsrn);
} else {
this.setUpAsBlock(rcontext.getUserAgentContext(), rcontext);
}
}
final NodeRenderer nr = this.nodeRenderer;
if (nr != null) {
// These subcomponents should take care
// of revalidation.
if (newIfs) {
nr.setRootNode(fsrn);
} else {
nr.setRootNode(nodeImpl);
}
} else {
this.invalidate();
this.validate();
this.repaint();
}
}
}
public static void main(String[] args) throws Exception {
// Initialize logging so only Cobra warnings are seen.
Logger.getLogger("org.lobobrowser").setLevel(Level.WARNING);
// Open a connection on the URL we want to render first.
String uri = "http://www.google.com";
URL url = new URL(uri);
URLConnection connection = url.openConnection();
InputStream in = connection.getInputStream();
// A Reader should be created with the correct charset,
// which may be obtained from the Content-Type header
// of an HTTP response.
Reader reader = new InputStreamReader(in);
// InputSourceImpl constructor with URI recommended
// so the renderer can resolve page component URLs.
InputSource is = new InputSourceImpl(reader, uri);
HtmlPanel htmlPanel = new HtmlPanel();
UserAgentContext ucontext = new LocalUserAgentContext();
HtmlRendererContext rendererContext = new LocalHtmlRendererContext(htmlPanel, ucontext);
// Set a preferred width for the HtmlPanel,
// which will allow getPreferredSize() to
// be calculated according to block content.
// We do this here to illustrate the
// feature, but is generally not
// recommended for performance reasons.
htmlPanel.setPreferredWidth(800);
// Note: This example does not perform incremental
// rendering while loading the initial document.
DocumentBuilderImpl builder =
new DocumentBuilderImpl(rendererContext.getUserAgentContext(), rendererContext);
Document document = builder.parse(is);
in.close();
// Set the document in the HtmlPanel. This method
// schedules the document to be rendered in the
// GUI thread.
htmlPanel.setDocument(document, rendererContext);
// Create a JFrame and add the HtmlPanel to it.
final JFrame frame = new JFrame();
frame.getContentPane().add(htmlPanel);
// We pack the JFrame to demonstrate the
// validity of HtmlPanel's preferred size.
// Normally you would want to set a specific
// JFrame size instead.
// pack() should be called in the GUI dispatch
// thread since the document is scheduled to
// be rendered in that thread, and is required
// for the preferred size determination.
EventQueue.invokeLater(
new Runnable() {
public void run() {
frame.pack();
frame.setVisible(true);
}
});
}
