@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
DataTable table = (DataTable) component;
if (table.shouldEncodeFeature(context)) {
for (Iterator<DataTableFeature> it = DataTable.FEATURES.values().iterator(); it.hasNext(); ) {
DataTableFeature feature = it.next();
if (feature.shouldEncode(context, table)) {
feature.encode(context, this, table);
}
}
} else {
if (table.isLazy()) {
if (table.isLiveScroll()) table.loadLazyScrollData(0, table.getScrollRows());
else table.loadLazyData();
}
encodeMarkup(context, table);
encodeScript(context, table);
}
}
protected void encodeScript(FacesContext context, DataTable table) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = table.getClientId(context);
String selectionMode = table.resolveSelectionMode();
WidgetBuilder wb = getWidgetBuilder(context);
wb.widget("DataTable", table.resolveWidgetVar(), clientId, true);
// Pagination
if (table.isPaginator()) {
encodePaginatorConfig(context, table, wb);
}
// Selection
wb.attr("selectionMode", selectionMode, null);
// Filtering
if (table.isFilteringEnabled()) {
wb.attr("filter", true)
.attr("filterEvent", table.getFilterEvent(), null)
.attr("filterDelay", table.getFilterDelay(), Integer.MAX_VALUE);
}
// Row expansion
if (table.getRowExpansion() != null) {
wb.attr("expansion", true);
}
// Scrolling
if (table.isScrollable()) {
wb.attr("scrollable", true)
.attr("liveScroll", table.isLiveScroll())
.attr("scrollStep", table.getScrollRows())
.attr("scrollLimit", table.getRowCount())
.attr("scrollWidth", table.getScrollWidth(), null)
.attr("scrollHeight", table.getScrollHeight(), null);
}
// Resizable/Draggable Columns
wb.attr("resizableColumns", table.isResizableColumns(), false)
.attr("liveResize", table.isLiveResize(), false)
.attr("draggableColumns", table.isDraggableColumns(), false);
// Editing
if (table.isEditable()) {
wb.attr("editable", true)
.attr("editMode", table.getEditMode())
.attr("cellSeparator", table.getCellSeparator(), null);
}
// MultiColumn Sorting
if (table.isMultiSort()) {
wb.attr("multiSort", true);
}
// Behaviors
encodeClientBehaviors(context, table, wb);
startScript(writer, clientId);
writer.write(wb.build());
endScript(writer);
}
public void encodeTbody(FacesContext context, DataTable table, boolean dataOnly)
throws IOException {
ResponseWriter writer = context.getResponseWriter();
String rowIndexVar = table.getRowIndexVar();
String clientId = table.getClientId(context);
String emptyMessage = table.getEmptyMessage();
UIComponent emptyFacet = table.getFacet("emptyMessage");
SubTable subTable = table.getSubTable();
SummaryRow summaryRow = table.getSummaryRow();
if (table.isSelectionEnabled()) {
table.findSelectedRowKeys();
}
int rows = table.getRows();
int first = table.getFirst();
int rowCount = table.getRowCount();
int rowCountToRender =
rows == 0 ? (table.isLiveScroll() ? table.getScrollRows() : rowCount) : rows;
boolean hasData = rowCount > 0;
if (!dataOnly) {
writer.startElement("tbody", null);
writer.writeAttribute("id", clientId + "_data", null);
writer.writeAttribute("class", DataTable.DATA_CLASS, null);
}
if (hasData) {
for (int i = first; i < (first + rowCountToRender); i++) {
if (subTable != null) {
encodeSubTable(context, table, subTable, i, rowIndexVar);
} else {
table.setRowIndex(i);
if (!table.isRowAvailable()) {
break;
}
encodeRow(context, table, clientId, i, rowIndexVar);
if (summaryRow != null && !isInSameGroup(context, table, i)) {
table.setRowIndex(i); // restore
encodeSummaryRow(context, table, summaryRow);
}
}
}
} else {
// Empty message
writer.startElement("tr", null);
writer.writeAttribute("class", DataTable.EMPTY_MESSAGE_ROW_CLASS, null);
writer.startElement("td", null);
writer.writeAttribute("colspan", table.getColumnsCount(), null);
if (emptyFacet != null) emptyFacet.encodeAll(context);
else writer.write(emptyMessage);
writer.endElement("td");
writer.endElement("tr");
}
if (!dataOnly) {
writer.endElement("tbody");
}
// Cleanup
table.setRowIndex(-1);
if (rowIndexVar != null) {
context.getExternalContext().getRequestMap().remove(rowIndexVar);
}
}