/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.mantle.client.commands;
import com.google.gwt.core.client.GWT;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;
import org.pentaho.gwt.widgets.client.dialogs.PromptDialogBox;
import org.pentaho.gwt.widgets.client.utils.string.StringUtils;
import org.pentaho.mantle.client.MantleApplication;
import org.pentaho.mantle.client.messages.Messages;
import java.util.Date;
public class AboutCommand extends AbstractCommand {
public AboutCommand() {
}
protected void performOperation() {
performOperation( true );
}
protected void performOperation( boolean feedback ) {
if ( StringUtils.isEmpty( MantleApplication.mantleRevisionOverride ) == false ) {
showAboutDialog( MantleApplication.mantleRevisionOverride );
} else {
final String url = GWT.getHostPageBaseURL() + "api/version/show"; //$NON-NLS-1$
RequestBuilder requestBuilder = new RequestBuilder( RequestBuilder.GET, url );
requestBuilder.setHeader( "If-Modified-Since", "01 Jan 1970 00:00:00 GMT" );
requestBuilder.setHeader( "accept", "text/plain" );
try {
requestBuilder.sendRequest( null, new RequestCallback() {
public void onError( Request request, Throwable exception ) {
// showError(exception);
}
public void onResponseReceived( Request request, Response response ) {
showAboutDialog( response.getText() );
}
} );
} catch ( RequestException e ) {
Window.alert( e.getMessage() );
// showError(e);
}
}
}
private void showAboutDialog( String version ) {
@SuppressWarnings( "deprecation" )
String licenseInfo = Messages.getString( "licenseInfo", "" + ( ( new Date() ).getYear() + 1900 ) );
String releaseLabel = Messages.getString( "release" );
PromptDialogBox dialogBox =
new PromptDialogBox( Messages.getString( "aboutDialogTitle" ), Messages.getString( "ok" ), null, false, true ); //$NON-NLS-1$
VerticalPanel aboutContent = new VerticalPanel();
aboutContent.add( new Label( releaseLabel + " " + version ) );
aboutContent.add( new HTML( licenseInfo ) );
dialogBox.setContent( aboutContent );
dialogBox.center();
}
}