@Override public List<Integer> getMetaColumnIndexes() { List<Integer> indexes = new ArrayList<>(); for ( int i = 0; i < headers.size(); i++ ) { GridHeader header = headers.get( i ); if ( header != null && header.isMeta() ) { indexes.add( i ); } } return indexes; }
@Override public Grid substituteMetaData( Map<? extends Object, ? extends Object> metaDataMap ) { if ( metaDataMap == null || headers == null || headers.isEmpty() ) { return this; } for ( int colIndex = 0; colIndex < headers.size(); colIndex++ ) { GridHeader header = headers.get( colIndex ); // Header Object headerMetaName = metaDataMap.get( header.getName() ); if ( headerMetaName != null ) { header.setName( String.valueOf( headerMetaName ) ); } if ( header.isMeta() ) { // Column cells substituteMetaData( colIndex, colIndex, metaDataMap ); } } return this; }
@Override public Grid addCumulativeColumn( int columnIndex, boolean addHeader ) { verifyGridState(); List<Object> column = getColumn( columnIndex ); List<Object> cumulativeColumn = new ArrayList<>(); double sum = 0d; for ( Object value : column ) { double number = value != null ? Double.parseDouble( String.valueOf( value ) ) : 0d; sum += number; cumulativeColumn.add( sum ); } addColumn( cumulativeColumn ); if ( addHeader && columnIndex < headers.size() ) { GridHeader header = headers.get( columnIndex ); if ( header != null ) { GridHeader regressionHeader = new GridHeader( header.getName() + CUMULATIVE_SUFFIX, header.getColumn() + CUMULATIVE_SUFFIX, header.getValueType(), header.getType(), header.isHidden(), header.isMeta() ); addHeader( regressionHeader ); } } return this; }
header.getColumn() + REGRESSION_SUFFIX, header.getValueType(), header.getType(), header.isHidden(), header.isMeta() );
/** * Writes an XML representation of the given Grid to the given OutputStream. */ public static void toXml( Grid grid, OutputStream out ) { XMLWriter writer = XMLFactory.getXMLWriter( out ); writer.openDocument(); writer.openElement( ATTR_GRID, ATTR_TITLE, grid.getTitle(), ATTR_SUBTITLE, grid.getSubtitle(), ATTR_WIDTH, String.valueOf( grid.getWidth() ), ATTR_HEIGHT, String.valueOf( grid.getHeight() ) ); writer.openElement( ATTR_HEADERS ); for ( GridHeader header : grid.getHeaders() ) { writer.writeElement( ATTR_HEADER, null, ATTR_NAME, header.getName(), ATTR_COLUMN, header.getColumn(), ATTR_TYPE, header.getType(), ATTR_HIDDEN, String.valueOf( header.isHidden() ), ATTR_META, String.valueOf( header.isMeta() ) ); } writer.closeElement(); writer.openElement( ATTR_ROWS ); for ( List<Object> row : grid.getRows() ) { writer.openElement( ATTR_ROW ); for ( Object field : row ) { writer.writeElement( ATTR_FIELD, field != null ? String.valueOf( field ) : EMPTY ); } writer.closeElement(); } writer.closeElement(); writer.closeElement(); writer.closeDocument(); }