| /******************************************************************************* |
| * Copyright (c) 2000, 2017 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(event -> browser.setData("query", event.text)); |
| browser.addProgressListener(ProgressListener.completedAdapter(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(); |
| } |
| } |
| |
| |