/*
* InteractiveSplashHandler.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.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.splash.AbstractSplashHandler;
/**
* @since 3.3
*
*/
public class InteractiveSplashHandler extends AbstractSplashHandler {
private final static int F_LABEL_HORIZONTAL_INDENT = 175;
private final static int F_BUTTON_WIDTH_HINT = 80;
private final static int F_TEXT_WIDTH_HINT = 175;
private final static int F_COLUMN_COUNT = 3;
private Composite fCompositeLogin;
private Text fTextUsername;
private Text fTextPassword;
private Button fButtonOK;
private Button fButtonCancel;
private boolean fAuthenticated;
/**
*
*/
public InteractiveSplashHandler() {
fCompositeLogin = null;
fTextUsername = null;
fTextPassword = null;
fButtonOK = null;
fButtonCancel = null;
fAuthenticated = false;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.ui.splash.AbstractSplashHandler#init(org.eclipse.swt.widgets
* .Shell)
*/
@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 splash screen 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 (fAuthenticated == false) {
if (splash.getDisplay().readAndDispatch() == false) {
splash.getDisplay().sleep();
}
}
}
/**
*
*/
private void createUIListeners(){
// Create the OK button listeners
createUIListenersButtonOK();
// Create the cancel button listeners
createUIListenersButtonCancel();
}
/**
*
*/
private void createUIListenersButtonCancel(){
fButtonCancel.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e){
handleButtonCancelWidgetSelected();
}
});
}
/**
*
*/
private void handleButtonCancelWidgetSelected(){
// Abort the loading of the RCP application
getSplash().getDisplay().close();
System.exit(0);
}
/**
*
*/
private void createUIListenersButtonOK(){
fButtonOK.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e){
handleButtonOKWidgetSelected();
}
});
}
/**
*
*/
private void handleButtonOKWidgetSelected(){
String username = fTextUsername.getText();
String password = fTextPassword.getText();
// Aunthentication is successful if a user provides any username and
// any password
if ((username.length() > 0) && (password.length() > 0)) {
fAuthenticated = true;
} else {
MessageDialog.openError(getSplash(), "Authentication Failed", //$NON-NLS-1$
"A username and password must be specified to login."); //$NON-NLS-1$
}
}
/**
*
*/
private void createUI(){
// Create the login panel
createUICompositeLogin();
// Create the blank spanner
createUICompositeBlank();
// Create the user name label
createUILabelUserName();
// Create the user name text widget
createUITextUserName();
// Create the password label
createUILabelPassword();
// Create the password text widget
createUITextPassword();
// Create the blank label
createUILabelBlank();
// Create the OK button
createUIButtonOK();
// Create the cancel button
createUIButtonCancel();
}
/**
*
*/
private void createUIButtonCancel(){
// Create the button
fButtonCancel = new Button(fCompositeLogin, SWT.PUSH);
fButtonCancel.setText("Cancel"); //$NON-NLS-1$
// Configure layout data
GridData data = new GridData(SWT.NONE, SWT.NONE, false, false);
data.widthHint = F_BUTTON_WIDTH_HINT;
data.verticalIndent = 10;
fButtonCancel.setLayoutData(data);
}
/**
*
*/
private void createUIButtonOK(){
// Create the button
fButtonOK = new Button(fCompositeLogin, SWT.PUSH);
fButtonOK.setText("OK"); //$NON-NLS-1$
// Configure layout data
GridData data = new GridData(SWT.NONE, SWT.NONE, false, false);
data.widthHint = F_BUTTON_WIDTH_HINT;
data.verticalIndent = 10;
fButtonOK.setLayoutData(data);
}
/**
*
*/
private void createUILabelBlank(){
Label label = new Label(fCompositeLogin, SWT.NONE);
label.setVisible(false);
}
/**
*
*/
private void createUITextPassword(){
// Create the text widget
int style = SWT.PASSWORD | SWT.BORDER;
fTextPassword = new Text(fCompositeLogin, style);
// Configure layout data
GridData data = new GridData(SWT.NONE, SWT.NONE, false, false);
data.widthHint = F_TEXT_WIDTH_HINT;
data.horizontalSpan = 2;
fTextPassword.setLayoutData(data);
}
/**
*
*/
private void createUILabelPassword(){
// Create the label
Label label = new Label(fCompositeLogin, SWT.NONE);
label.setText("&Password:"); //$NON-NLS-1$
// Configure layout data
GridData data = new GridData();
data.horizontalIndent = F_LABEL_HORIZONTAL_INDENT;
label.setLayoutData(data);
}
/**
*
*/
private void createUITextUserName(){
// Create the text widget
fTextUsername = new Text(fCompositeLogin, SWT.BORDER);
// Configure layout data
GridData data = new GridData(SWT.NONE, SWT.NONE, false, false);
data.widthHint = F_TEXT_WIDTH_HINT;
data.horizontalSpan = 2;
fTextUsername.setLayoutData(data);
}
/**
*
*/
private void createUILabelUserName(){
// Create the label
Label label = new Label(fCompositeLogin, SWT.NONE);
label.setText("&User Name:"); //$NON-NLS-1$
// Configure layout data
GridData data = new GridData();
data.horizontalIndent = F_LABEL_HORIZONTAL_INDENT;
label.setLayoutData(data);
}
/**
*
*/
private void createUICompositeBlank(){
Composite spanner = new Composite(fCompositeLogin, SWT.NONE);
GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
data.horizontalSpan = F_COLUMN_COUNT;
spanner.setLayoutData(data);
}
/**
*
*/
private void createUICompositeLogin(){
// Create the composite
fCompositeLogin = new Composite(getSplash(), SWT.BORDER);
GridLayout layout = new GridLayout(F_COLUMN_COUNT, false);
fCompositeLogin.setLayout(layout);
}
/**
*
*/
private void configureUISplash(){
// Configure layout
FillLayout layout = new FillLayout();
getSplash().setLayout(layout);
// Force shell to inherit the splash background
getSplash().setBackgroundMode(SWT.INHERIT_DEFAULT);
}
}