/** Render column headers either in single row or nested if a columnGroup is defined */
protected void encodeThead(FacesContext context, DataTable table) throws IOException {
ResponseWriter writer = context.getResponseWriter();
ColumnGroup group = table.getColumnGroup("header");
writer.startElement("thead", null);
writer.writeAttribute("id", table.getClientId(context) + "_head", null);
if (group != null && group.isRendered()) {
for (UIComponent child : group.getChildren()) {
if (child.isRendered() && child instanceof Row) {
Row headerRow = (Row) child;
writer.startElement("tr", null);
for (UIComponent headerRowChild : headerRow.getChildren()) {
if (headerRowChild.isRendered() && headerRowChild instanceof Column) {
encodeColumnHeader(context, table, (Column) headerRowChild);
}
}
writer.endElement("tr");
}
}
} else {
writer.startElement("tr", null);
writer.writeAttribute("role", "row", null);
for (UIColumn column : table.getColumns()) {
if (column instanceof Column) {
encodeColumnHeader(context, table, column);
} else if (column instanceof DynamicColumn) {
DynamicColumn dynamicColumn = (DynamicColumn) column;
dynamicColumn.applyModel();
encodeColumnHeader(context, table, dynamicColumn);
}
}
writer.endElement("tr");
}
encodeFrozenRows(context, table);
writer.endElement("thead");
}
protected void exportCells(DataTable table, Writer writer) throws IOException {
for (UIColumn col : table.getColumns()) {
if (!col.isRendered()) {
continue;
}
if (col instanceof DynamicColumn) {
((DynamicColumn) col).applyModel();
}
if (col.isExportable()) {
String columnTag = getColumnTag(col);
addColumnValue(writer, col.getChildren(), columnTag);
}
}
}
protected void encodeTFoot(FacesContext context, DataTable table) throws IOException {
ResponseWriter writer = context.getResponseWriter();
ColumnGroup group = table.getColumnGroup("footer");
writer.startElement("tfoot", null);
if (group != null && group.isRendered()) {
for (UIComponent child : group.getChildren()) {
if (child.isRendered() && child instanceof Row) {
Row footerRow = (Row) child;
writer.startElement("tr", null);
for (UIComponent footerRowChild : footerRow.getChildren()) {
if (footerRowChild.isRendered() && footerRowChild instanceof Column) {
encodeColumnFooter(context, table, (Column) footerRowChild);
}
}
writer.endElement("tr");
}
}
} else if (table.hasFooterColumn()) {
writer.startElement("tr", null);
for (UIColumn column : table.getColumns()) {
if (column instanceof Column) {
encodeColumnFooter(context, table, column);
} else if (column instanceof DynamicColumn) {
DynamicColumn dynamicColumn = (DynamicColumn) column;
dynamicColumn.applyModel();
encodeColumnFooter(context, table, dynamicColumn);
}
}
writer.endElement("tr");
}
writer.endElement("tfoot");
}
public boolean encodeRow(
FacesContext context, DataTable table, String clientId, int rowIndex, String rowIndexVar)
throws IOException {
ResponseWriter writer = context.getResponseWriter();
boolean selectionEnabled = table.isSelectionEnabled();
Object rowKey = null;
if (selectionEnabled) {
// try rowKey attribute
rowKey = table.getRowKey();
// ask selectable datamodel
if (rowKey == null) rowKey = table.getRowKeyFromModel(table.getRowData());
}
// Preselection
boolean selected = table.getSelectedRowKeys().contains(rowKey);
String userRowStyleClass = table.getRowStyleClass();
String rowStyleClass =
rowIndex % 2 == 0
? DataTable.ROW_CLASS + " " + DataTable.EVEN_ROW_CLASS
: DataTable.ROW_CLASS + " " + DataTable.ODD_ROW_CLASS;
if (selected) {
rowStyleClass = rowStyleClass + " ui-state-highlight";
}
if (userRowStyleClass != null) {
rowStyleClass = rowStyleClass + " " + userRowStyleClass;
}
if (table.isEditingRow()) {
rowStyleClass = rowStyleClass + " " + DataTable.EDITING_ROW_CLASS;
}
writer.startElement("tr", null);
writer.writeAttribute("data-ri", rowIndex, null);
if (rowKey != null) {
writer.writeAttribute("data-rk", rowKey, null);
}
writer.writeAttribute("class", rowStyleClass, null);
writer.writeAttribute("role", "row", null);
if (selectionEnabled) {
writer.writeAttribute("aria-selected", String.valueOf(selected), null);
}
for (UIColumn column : table.getColumns()) {
if (column instanceof Column) {
encodeCell(context, table, column, clientId, selected);
} else if (column instanceof DynamicColumn) {
DynamicColumn dynamicColumn = (DynamicColumn) column;
dynamicColumn.applyModel();
encodeCell(context, table, dynamicColumn, null, false);
}
}
writer.endElement("tr");
return true;
}