protected String getColumnTag(UIColumn column) {
String headerText = column.getHeaderText();
UIComponent facet = column.getFacet("header");
if (headerText != null) {
return headerText.toLowerCase();
} else if (facet != null) {
return exportValue(FacesContext.getCurrentInstance(), facet).toLowerCase();
} else {
throw new FacesException("No suitable xml tag found for " + column);
}
}
protected void encodeColumnHeaderContent(FacesContext context, UIColumn column, String sortIcon)
throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent header = column.getFacet("header");
String headerText = column.getHeaderText();
writer.startElement("span", null);
if (header != null) header.encodeAll(context);
else if (headerText != null) writer.write(headerText);
writer.endElement("span");
if (sortIcon != null) {
writer.startElement("span", null);
writer.writeAttribute("class", sortIcon, null);
writer.endElement("span");
}
}