/******************************************************************************* * Copyright (c) 2000, 2004 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.swt.snippets; /* * Browser example snippet: query DOM node value (pre-eclipse/swt 3.5 implementation) * An improved implementation of this snippet that can be used with eclipse/swt 3.5 * and newer is available at * http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet308.java?view=co * * For a list of all SWT example snippets see * http://www.eclipse.org/swt/snippets/ * * @since 3.1 */ import org.eclipse.swt.*; import org.eclipse.swt.browser.*; import org.eclipse.swt.layout.*; import org.eclipse.swt.widgets.*; public class Snippet160 { public static void main(String [] args) { final String html = "
Best Friends
Cat and Dog
"; Display display = new Display(); final Shell shell = new Shell(display); shell.setLayout(new FillLayout()); final Browser browser; try { browser = new Browser(shell, SWT.NONE); } catch (SWTError e) { System.out.println("Could not instantiate Browser: " + e.getMessage()); return; } browser.addStatusTextListener(new StatusTextListener() { public void changed(StatusTextEvent event) { browser.setData("query", event.text); } }); browser.addProgressListener(new ProgressListener() { public void changed(ProgressEvent event) { } public void completed(ProgressEvent event) { /* * Use JavaScript to query the desired node content through the Document Object Model * * Assign result to the window property status to pass the result to the StatusTextListener * This trick is required sinceexecute
does not return the String
* directly.
*/
boolean result = browser.execute("window.status=document.getElementById('myid').childNodes[0].nodeValue;");
if (!result) {
/* Script may fail or may not be supported on certain platforms. */
System.out.println("Script was not executed.");
return;
}
String value = (String)browser.getData("query");
System.out.println("Node value: "+value);
}
});
/* Load an HTML document */
browser.setText(html);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}