如何在选定的行DataGrid GWT中向列添加特定样式

Question

Im set custom CssResource for DataGrid.

First column in table is ordered column with specific style. So when row is selected i need set another specific style for the order column.

Something like that:

Answer 1

You can override .getCellStyleNames method for your column:

Column<Object, String> numberColumn = new Column<Object, String>(new TextCell()) {

    @Override
    public String getCellStyleNames(Context context, Object object) {

    if (selectionModel.isSelected(object)) {
        return "boldStyle";
    }
};

Answer 2

Try with AbstractHasData#addCellPreviewHandler() .

dataGrid.addCellPreviewHandler(new Handler<T>() {

    @Override
    public void onCellPreview(CellPreviewEvent<T> event) {
        if ("click".equals(event.getNativeEvent().getType())) {
            table.getRowElement(event.getIndex()).getCells().getItem(0).getStyle()
                    .setBackgroundColor("#444444");
        }
    }

});

Note: This code is for SingleSelectionModel . If you need it for MultiSelectionModel then do same thing for all selected rows.