Method openDialogWindow

src/main/java/org/htmlunit/WebClient.java:1221–1241

INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK. Opens a new dialog window. @param url the URL of the document to load and display @param opener the web window that is opening the dialog @param dialogArguments the object to make available in

(final URL url, final WebWindow opener, final Object dialogArguments)

     * @throws IOException if there is an IO error
     */
    public DialogWindow openDialogWindow(final URL url, final WebWindow opener, final Object dialogArguments)
        throws IOException {

        WebAssert.notNull("url", url);
        WebAssert.notNull("opener", opener);

        final DialogWindow window = new DialogWindow(this, dialogArguments);

        final HtmlPage openerPage = (HtmlPage) opener.getEnclosedPage();
        final WebRequest request = new WebRequest(url, getBrowserVersion().getHtmlAcceptHeader(),
                                                        getBrowserVersion().getAcceptEncodingHeader());
        request.setCharset(UTF_8);

        if (openerPage != null) {
            request.setRefererHeader(openerPage.getUrl());
        }

        getPage(window, request);

        return window;
    }

    /**
     * Sets the object that will be used to create pages. Set this if you want