protected void encodeCell( FacesContext context, DataTable table, UIColumn column, String clientId, boolean selected) throws IOException { if (!column.isRendered()) { return; } ResponseWriter writer = context.getResponseWriter(); boolean selectionEnabled = column.getSelectionMode() != null; String style = column.getStyle(); String styleClass = selectionEnabled ? DataTable.SELECTION_COLUMN_CLASS : (column.getCellEditor() != null) ? DataTable.EDITABLE_COLUMN_CLASS : null; String userStyleClass = column.getStyleClass(); styleClass = userStyleClass == null ? styleClass : (styleClass == null) ? userStyleClass : styleClass + " " + userStyleClass; writer.startElement("td", null); writer.writeAttribute("role", "gridcell", null); if (style != null) writer.writeAttribute("style", style, null); if (styleClass != null) writer.writeAttribute("class", styleClass, null); if (selectionEnabled) encodeColumnSelection(context, table, clientId, column, selected); else column.encodeAll(context); writer.endElement("td"); }