.getAllDataSets( )
.getVisibleDataSets( )
	private void updateButtons( )	{		boolean complete = false;		switch ( selectedType )		{			case BLOB_TYPE :				complete = !StringUtil.isBlank( uriEditor.getText( ) );				previewButton.setEnabled( false );				if ( SessionHandleAdapter.getInstance( )						.getReportDesignHandle( )						.getAllDataSets( )						.isEmpty( ) )				{					bindingButton.setEnabled( false );				}				else				{					bindingButton.setEnabled( true );				}				break;			case URI_TYPE :				complete = !StringUtil.isBlank( uriEditor.getText( ) );				previewButton.setEnabled( complete );				break;			case EMBEDDED_TYPE :				complete = ( embeddedImageList.getSelectionCount( ) > 0 );				// removeButton.setEnabled( complete );				break;		}		getOkButton( ).setEnabled( complete );	}