/*
* BrowserSplashHandler.java
*
* This file is part of the STS-Tool project.
* Copyright (c) 2011-2012 "University of Trento - DISI" All rights reserved.
*
* Is strictly forbidden to remove this copyright notice from this source code.
*
* Disclaimer of Warranty:
* STS-Tool (this software) is provided "as-is" and without warranty of any kind,
* express, implied or otherwise, including without limitation, any warranty of
* merchantability or fitness for a particular purpose.
* In no event shall the copyright holder or contributors be liable for any direct,
* indirect, incidental, special, exemplary, or consequential damages
* including, but not limited to, procurement of substitute goods or services;
* loss of use, data, or profits; or business interruption) however caused and on
* any theory of liability, whether in contract, strict liability, or tort (including
* negligence or otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* "University of Trento - DISI","University of Trento - DISI" DISCLAIMS THE
* WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://www.sts-tool.eu/License.php
*
* For more information, please contact STS-Tool group at this
* address: ststool@disi.unitn.it
*
*/
package eu.aniketos.wp1.ststool.diagram.splashHandlers;
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.browser.ProgressEvent;
import org.eclipse.swt.browser.ProgressListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.splash.AbstractSplashHandler;
/**
* @since 3.3
*
*/
public class BrowserSplashHandler extends AbstractSplashHandler {
private final static String F_BROWSER_URL = "http://www.google.com"; //NON-NLS-1
private Browser fBrowser;
private Button fButton;
private boolean fClose;
/**
*
*/
public BrowserSplashHandler() {
fBrowser = null;
fButton = null;
fClose = false;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.ui.internal.splash.AbstractSplashHandler#init(org.eclipse.
* swt.widgets.Shell,
* org.eclipse.ui.IWorkbench)
*/
@Override
public void init(final Shell splash){
// Store the shell
super.init(splash);
// Configure the shell layout
configureUISplash();
// Create UI
createUI();
// Create UI listeners
createUIListeners();
// Force the UI to layout
splash.layout(true);
// Keep the splash screen visible and prevent the RCP application from
// loading until the close button is clicked.
doEventLoop();
}
/**
*
*/
private void doEventLoop(){
Shell splash = getSplash();
while (fClose == false) {
if (splash.getDisplay().readAndDispatch() == false) {
splash.getDisplay().sleep();
}
}
}
/**
*
*/
private void createUIListeners(){
// Create the browser listeners
createUIListenersBrowser();
// Create the button listeners
createUIListenersButton();
}
/**
*
*/
private void createUIListenersButton(){
fButton.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e){
// NO-OP
}
public void widgetSelected(SelectionEvent e){
fClose = true;
}
});
}
/**
*
*/
private void createUIListenersBrowser(){
fBrowser.addProgressListener(new ProgressListener() {
public void changed(ProgressEvent event){
// NO-OP
}
public void completed(ProgressEvent event){
// Only show the UI when the URL is fully loaded into the
// browser
fBrowser.setVisible(true);
fButton.setVisible(true);
}
});
}
/**
*
*/
private void createUI(){
// Create the web browser
createUIBrowser();
// Create the close button
createUIButton();
}
/**
*
*/
private void createUIButton(){
Shell splash = getSplash();
fButton = new Button(splash, SWT.PUSH);
fButton.setText("Close"); //NON-NLS-1
fButton.setVisible(false);
// Configure the button bounds
configureUIButtonBounds();
// Configure layout data
GridData data = new GridData(SWT.CENTER, SWT.FILL, false, false);
data.widthHint = 80;
fButton.setLayoutData(data);
}
/**
*
*/
private void configureUIButtonBounds(){
Shell splash = getSplash();
int button_x_coord = (splash.getSize().x / 2) - (fButton.computeSize(SWT.DEFAULT, SWT.DEFAULT).x / 2);
int button_y_coord = splash.getSize().y - fButton.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
int button_x_width = splash.getSize().x;
int button_y_width = fButton.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
fButton.setBounds(button_x_coord, button_y_coord, button_x_width, button_y_width);
}
/**
*
*/
private void createUIBrowser(){
fBrowser = new Browser(getSplash(), SWT.NONE);
fBrowser.setUrl(F_BROWSER_URL);
fBrowser.setVisible(false);
// Configure layout data
GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
fBrowser.setLayoutData(data);
}
/**
*
*/
private void configureUISplash(){
GridLayout layout = new GridLayout(1, true);
getSplash().setLayout(layout);
}
}