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/*******************************************************************************
* 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 (Eclipse/SWT 3.4 and earlier).
* For an improved implementation of this snippet that can be used with Eclipse/SWT 3.5
* and newer see
* http://git.eclipse.org/c/platform/eclipse.platform.swt.git/tree/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet308.java
*
* 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 = "<html><title>Snippet</title><body><p id='myid'>Best Friends</p><p id='myid2'>Cat and Dog</p></body></html>";
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 since <code>execute</code> does not return the <code>String</code>
* 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();
}
}
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