protected void encodeColumnHeader(FacesContext context, DataTable table, UIColumn column)
throws IOException {
if (!column.isRendered()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
String clientId = column.getContainerClientId(context);
Object tableSortBy = table.getSortBy();
Object columnSortBy = column.getSortBy();
boolean isSortable = columnSortBy != null;
boolean hasFilter = column.getFilterBy() != null;
String selectionMode = column.getSelectionMode();
String sortIcon = null;
boolean resizable = table.isResizableColumns() && column.isResizable();
String columnClass =
isSortable
? DataTable.COLUMN_HEADER_CLASS + " " + DataTable.SORTABLE_COLUMN_CLASS
: DataTable.COLUMN_HEADER_CLASS;
columnClass = hasFilter ? columnClass + " " + DataTable.FILTER_COLUMN_CLASS : columnClass;
columnClass =
selectionMode != null ? columnClass + " " + DataTable.SELECTION_COLUMN_CLASS : columnClass;
columnClass = resizable ? columnClass + " " + DataTable.RESIZABLE_COLUMN_CLASS : columnClass;
columnClass =
column.getStyleClass() != null ? columnClass + " " + column.getStyleClass() : columnClass;
if (isSortable) {
if (tableSortBy != null) {
if (table.isMultiSort()) {
List<SortMeta> sortMeta = table.getMultiSortMeta();
if (sortMeta != null) {
for (SortMeta meta : sortMeta) {
sortIcon =
resolveDefaultSortIcon(
columnSortBy, meta.getColumn().getSortBy(), meta.getSortOrder().name());
if (sortIcon != null) {
break;
}
}
}
} else {
sortIcon = resolveDefaultSortIcon(columnSortBy, tableSortBy, table.getSortOrder());
}
}
if (sortIcon == null) sortIcon = DataTable.SORTABLE_COLUMN_ICON_CLASS;
else columnClass += " ui-state-active";
}
String style = column.getStyle();
String width = column.getWidth();
if (width != null) {
String unit = width.endsWith("%") ? "" : "px";
if (style != null) style = style + ";width:" + width + unit;
else style = "width:" + width + unit;
}
writer.startElement("th", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", columnClass, null);
writer.writeAttribute("role", "columnheader", null);
if (style != null) writer.writeAttribute("style", style, null);
if (column.getRowspan() != 1) writer.writeAttribute("rowspan", column.getRowspan(), null);
if (column.getColspan() != 1) writer.writeAttribute("colspan", column.getColspan(), null);
if (hasFilter) {
table.enableFiltering();
String filterPosition = column.getFilterPosition();
if (filterPosition.equals("bottom")) {
encodeColumnHeaderContent(context, column, sortIcon);
encodeFilter(context, table, column);
} else if (filterPosition.equals("top")) {
encodeFilter(context, table, column);
encodeColumnHeaderContent(context, column, sortIcon);
} else {
throw new FacesException(
filterPosition
+ " is an invalid option for filterPosition, valid values are 'bottom' or 'top'.");
}
} else {
encodeColumnHeaderContent(context, column, sortIcon);
}
if (selectionMode != null && selectionMode.equalsIgnoreCase("multiple")) {
encodeCheckbox(context, table, false, column.isDisabledSelection(), HTML.CHECKBOX_ALL_CLASS);
}
writer.endElement("th");
}
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);
}
protected void encodeMarkup(FacesContext context, DataTable table) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = table.getClientId(context);
boolean scrollable = table.isScrollable();
boolean hasPaginator = table.isPaginator();
String style = table.getStyle();
String paginatorPosition = table.getPaginatorPosition();
// style class
String containerClass =
scrollable
? DataTable.CONTAINER_CLASS + " " + DataTable.SCROLLABLE_CONTAINER_CLASS
: DataTable.CONTAINER_CLASS;
containerClass =
table.getStyleClass() != null
? containerClass + " " + table.getStyleClass()
: containerClass;
if (table.isResizableColumns())
containerClass = containerClass + " " + DataTable.RESIZABLE_CONTAINER_CLASS;
if (ComponentUtils.isRTL(context, table))
containerClass = containerClass + " " + DataTable.RTL_CLASS;
// default sort
if (!table.isDefaultSorted() && table.getSortBy() != null && !table.isLazy()) {
SortFeature sortFeature = (SortFeature) table.getFeature(DataTableFeatureKey.SORT);
if (table.isMultiSort()) sortFeature.multiSort(context, table);
else sortFeature.singleSort(context, table);
table.setDefaultSorted();
}
if (hasPaginator) {
table.calculateFirst();
}
writer.startElement("div", table);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", containerClass, "styleClass");
if (style != null) {
writer.writeAttribute("style", style, "style");
}
encodeFacet(context, table, table.getHeader(), DataTable.HEADER_CLASS);
if (hasPaginator && !paginatorPosition.equalsIgnoreCase("bottom")) {
encodePaginatorMarkup(context, table, "top");
}
if (scrollable) {
encodeScrollableTable(context, table);
} else {
encodeRegularTable(context, table);
}
if (hasPaginator && !paginatorPosition.equalsIgnoreCase("top")) {
encodePaginatorMarkup(context, table, "bottom");
}
encodeFacet(context, table, table.getFooter(), DataTable.FOOTER_CLASS);
if (table.isSelectionEnabled()) {
encodeStateHolder(
context,
table,
table.getClientId(context) + "_selection",
table.getSelectedRowKeysAsString());
}
if (table.isDraggableColumns()) {
encodeStateHolder(context, table, table.getClientId(context) + "_columnOrder", null);
}
if (scrollable) {
encodeStateHolder(
context, table, table.getClientId(context) + "_scrollState", table.getScrollState());
}
writer.endElement("div");
}