gd.widthHint = convertHorizontalDLUsToPixels( IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH );
gd.heightHint = convertHorizontalDLUsToPixels( IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH / 2 );
composite.setLayoutData( gd );
// create configuration
this.configuration = new ConnectionConfiguration();
// create main widget
this.mainWidget = new ConnectionWidget( this.configuration, null );
this.mainWidget.createWidget( composite );
this.mainWidget.setInput( BrowserCorePlugin.getDefault().getConnectionManager() );