📄 snippet161.java

📁 Eclipse JAVA开发软件中SWT各控件范例源码

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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: modify DOM (executing javascript) * * 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 Snippet161 {	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.BORDER);		} catch (SWTError e) {			System.out.println("Could not instantiate Browser: " + e.getMessage());			return;		}		Composite comp = new Composite(shell, SWT.NONE);		comp.setLayout(new FillLayout(SWT.VERTICAL));		final Text text = new Text(comp, SWT.MULTI);		text.setText("var newNode = document.createElement('P'); \r\n"+				"var text = document.createTextNode('At least when I am around');\r\n"+				"newNode.appendChild(text);\r\n"+				"document.getElementById('myid').appendChild(newNode);\r\n"+				"\r\n"+				"document.bgColor='yellow';");		final Button button = new Button(comp, SWT.PUSH);		button.setText("Execute Script");		button.addListener(SWT.Selection, new Listener() {			public void handleEvent(Event event) {				boolean result = browser.execute(text.getText());				if (!result) {					/* Script may fail or may not be supported on certain platforms. */					System.out.println("Script was not executed.");				}			}		});		browser.setText(html);		shell.open();		while (!shell.isDisposed()) {			if (!display.readAndDispatch())				display.sleep();		}		display.dispose();	}}

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