/
DataTableRenderer.java
1772 lines (1448 loc) · 70.9 KB
/
DataTableRenderer.java
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/**
* Copyright 2009-2019 PrimeTek.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.component.datatable;
import java.io.IOException;
import java.util.*;
import java.util.logging.Logger;
import javax.el.ELContext;
import javax.el.MethodExpression;
import javax.el.ValueExpression;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.component.UINamingContainer;
import javax.faces.component.ValueHolder;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.model.SelectItem;
import org.primefaces.component.api.DynamicColumn;
import org.primefaces.component.api.UIColumn;
import org.primefaces.component.celleditor.CellEditor;
import org.primefaces.component.column.Column;
import org.primefaces.component.columngroup.ColumnGroup;
import org.primefaces.component.columns.Columns;
import org.primefaces.component.datatable.feature.*;
import org.primefaces.component.headerrow.HeaderRow;
import org.primefaces.component.row.Row;
import org.primefaces.component.subtable.SubTable;
import org.primefaces.component.summaryrow.SummaryRow;
import org.primefaces.event.data.PostRenderEvent;
import org.primefaces.expression.SearchExpressionFacade;
import org.primefaces.model.FilterMeta;
import org.primefaces.model.SortMeta;
import org.primefaces.model.SortOrder;
import org.primefaces.renderkit.DataRenderer;
import org.primefaces.util.*;
public class DataTableRenderer extends DataRenderer {
private static final Logger LOGGER = Logger.getLogger(DataTableRenderer.class.getName());
@Override
public void decode(FacesContext context, UIComponent component) {
DataTable table = (DataTable) component;
for (Iterator<DataTableFeature> it = DataTable.FEATURES.values().iterator(); it.hasNext(); ) {
DataTableFeature feature = it.next();
if (feature.shouldDecode(context, table)) {
feature.decode(context, table);
}
}
decodeBehaviors(context, component);
}
@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 {
preRender(context, table);
encodeMarkup(context, table);
encodeScript(context, table);
}
context.getApplication().publishEvent(context, PostRenderEvent.class, table);
}
protected void preRender(FacesContext context, DataTable table) {
if (table.isMultiViewState()) {
table.restoreTableState();
}
boolean defaultSorted = (table.getValueExpression(DataTable.PropertyKeys.sortBy.toString()) != null
|| table.getSortBy() != null
|| table.getMultiSortMeta() != null);
if (defaultSorted && table.isDefaultSort()) {
table.setDefaultSortByVE(table.getValueExpression(DataTable.PropertyKeys.sortBy.toString()));
table.setDefaultSortOrder(table.getSortOrder());
table.setDefaultSortFunction(table.getSortFunction());
}
List<FilterState> filters = table.getFilterBy();
List<FilterMeta> filterMetadata = new ArrayList<>();
if (filters != null) {
for (FilterState filterState : filters) {
UIColumn column = table.findColumn(filterState.getColumnKey());
filterMetadata.add(
new FilterMeta(
column,
column.getValueExpression(DataTable.PropertyKeys.filterBy.toString()),
filterState.getFilterValue()));
}
table.setFilterMetadata(filterMetadata);
}
if (table.isLazy()) {
if (table.isLiveScroll()) {
table.loadLazyScrollData(0, table.getScrollRows());
}
else if (table.isVirtualScroll()) {
int rows = table.getRows();
int scrollRows = table.getScrollRows();
int virtualScrollRows = (scrollRows * 2);
scrollRows = (rows == 0) ? virtualScrollRows : ((virtualScrollRows > rows) ? rows : virtualScrollRows);
table.loadLazyScrollData(0, scrollRows);
}
else {
table.loadLazyData();
}
}
else {
if (defaultSorted) {
SortFeature sortFeature = (SortFeature) table.getFeature(DataTableFeatureKey.SORT);
if (table.isMultiSort()) {
sortFeature.multiSort(context, table);
}
else {
sortFeature.singleSort(context, table);
}
table.setRowIndex(-1);
}
if (filters != null) {
FilterFeature filterFeature = (FilterFeature) table.getFeature(DataTableFeatureKey.FILTER);
String globalFilter = table.getGlobalFilter();
if (globalFilter != null) {
UIComponent globalFilterComponent = SearchExpressionFacade.resolveComponent(context, table,
DataTable.PropertyKeys.globalFilter.toString());
if (globalFilterComponent != null) {
((ValueHolder) globalFilterComponent).setValue(globalFilter);
}
}
filterFeature.filter(context, table, filterMetadata, globalFilter);
}
}
if (defaultSorted && table.isMultiViewState() && table.isDefaultSort()) {
ValueExpression sortByVE = table.getValueExpression(DataTable.PropertyKeys.sortBy.toString());
List<MultiSortState> multiSortState = table.isMultiSort() ? table.getMultiSortState() : null;
if (sortByVE != null || multiSortState != null) {
TableState ts = table.getTableState(true);
ts.setSortBy(sortByVE);
ts.setMultiSortState(multiSortState);
ts.setSortOrder(table.getSortOrder());
ts.setSortField(table.getSortField());
ts.setSortFunction(table.getSortFunction());
/* default sort */
ts.setDefaultSortBy(sortByVE);
ts.setDefaultSortOrder(table.getSortOrder());
ts.setDefaultSortFunction(table.getSortFunction());
if (table.isPaginator()) {
ts.setFirst(table.getFirst());
ts.setRows(table.getRows());
}
}
table.setDefaultSort(false);
}
if (table.isPaginator()) {
table.calculateFirst();
}
Columns dynamicCols = table.getDynamicColumns();
if (dynamicCols != null) {
dynamicCols.setRowIndex(-1);
}
}
protected void encodeScript(FacesContext context, DataTable table) throws IOException {
String clientId = table.getClientId(context);
String selectionMode = table.resolveSelectionMode();
String widgetClass = (table.getFrozenColumns() == 0) ? "DataTable" : "FrozenDataTable";
String initMode = table.getInitMode();
WidgetBuilder wb = getWidgetBuilder(context);
if (initMode.equals("load")) {
wb.init(widgetClass, table.resolveWidgetVar(), clientId);
}
else if (initMode.equals("immediate")) {
wb.init(widgetClass, table.resolveWidgetVar(), clientId);
}
else {
throw new FacesException(initMode + " is not a valid value for initMode, possible values are \"load\" and \"immediate.");
}
//Pagination
if (table.isPaginator()) {
encodePaginatorConfig(context, table, wb);
}
//Selection
wb.attr("selectionMode", selectionMode, null)
.attr("rowSelectMode", table.getRowSelectMode(), "new")
.attr("nativeElements", table.isNativeElements(), false)
.attr("rowSelector", table.getRowSelector(), null)
.attr("disabledTextSelection", table.isDisabledTextSelection(), true);
//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).attr("rowExpandMode", table.getRowExpandMode());
}
//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)
.attr("frozenColumns", table.getFrozenColumns(), 0)
.attr("liveScrollBuffer", table.getLiveScrollBuffer())
.attr("virtualScroll", table.isVirtualScroll());
}
//Resizable/Draggable Columns
wb.attr("resizableColumns", table.isResizableColumns(), false)
.attr("liveResize", table.isLiveResize(), false)
.attr("draggableColumns", table.isDraggableColumns(), false)
.attr("resizeMode", table.getResizeMode(), "fit");
//Draggable Rows
wb.attr("draggableRows", table.isDraggableRows(), false)
.attr("rowDragSelector", table.getRowDragSelector(), null);
//Editing
if (table.isEditable()) {
wb.attr("editable", true)
.attr("editMode", table.getEditMode())
.attr("cellSeparator", table.getCellSeparator(), null)
.attr("saveOnCellBlur", table.isSaveOnCellBlur(), true)
.attr("cellEditMode", table.getCellEditMode(), "eager")
.attr("editInitEvent", table.getEditInitEvent())
.attr("rowEditMode", table.getRowEditMode(), "eager");
}
//MultiColumn Sorting
if (table.isMultiSort()) {
wb.attr("multiSort", true);
}
if (table.isStickyHeader()) {
wb.attr("stickyHeader", true);
}
wb.attr("tabindex", table.getTabindex(), "0")
.attr("reflow", table.isReflow(), false)
.attr("rowHover", table.isRowHover(), false)
.attr("clientCache", table.isClientCache(), false)
.attr("multiViewState", table.isMultiViewState(), false)
.nativeAttr("groupColumnIndexes", table.getGroupedColumnIndexes(), null)
.callback("onRowClick", "function(row)", table.getOnRowClick());
wb.attr("disableContextMenuIfEmpty", table.isDisableContextMenuIfEmpty());
//Behaviors
encodeClientBehaviors(context, table);
wb.finish();
}
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();
boolean resizable = table.isResizableColumns();
String style = table.getStyle();
String paginatorPosition = table.getPaginatorPosition();
int frozenColumns = table.getFrozenColumns();
boolean hasFrozenColumns = (frozenColumns != 0);
String summary = table.getSummary();
//style class
String containerClass = scrollable ? DataTable.CONTAINER_CLASS + " " + DataTable.SCROLLABLE_CONTAINER_CLASS : DataTable.CONTAINER_CLASS;
containerClass = table.getStyleClass() != null ? containerClass + " " + table.getStyleClass() : containerClass;
if (resizable) {
containerClass = containerClass + " " + DataTable.RESIZABLE_CONTAINER_CLASS;
}
if (table.isStickyHeader()) {
containerClass = containerClass + " " + DataTable.STICKY_HEADER_CLASS;
}
if (ComponentUtils.isRTL(context, table)) {
containerClass = containerClass + " " + DataTable.RTL_CLASS;
}
if (table.isReflow()) {
containerClass = containerClass + " " + DataTable.REFLOW_CLASS;
}
if (hasFrozenColumns) {
containerClass = containerClass + " ui-datatable-frozencolumn";
}
//aria
if (summary != null) {
writer.startElement("span", null);
writer.writeAttribute("id", clientId + "_summary", null);
writer.writeAttribute("class", "ui-datatable-summary", null);
writer.writeText(summary, null);
writer.endElement("span");
}
writer.startElement("div", table);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", containerClass, "styleClass");
if (style != null) {
writer.writeAttribute("style", style, "style");
}
if (table.isReflow()) {
encodeSortableHeaderOnReflow(context, table);
}
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());
}
if (resizable && table.isMultiViewState()) {
encodeStateHolder(context, table, table.getClientId(context) + "_resizableColumnState", table.getResizableColumnsAsString());
}
writer.endElement("div");
}
protected void encodeRegularTable(FacesContext context, DataTable table) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", DataTable.TABLE_WRAPPER_CLASS, null);
String tableStyle = table.getTableStyle();
if (table.isMultiViewState() && table.isResizableColumns()) {
Map<String, String> resizableColsMap = table.getResizableColumnsMap();
String width = resizableColsMap.get(table.getClientId(context) + "_tableWidthState");
if (width != null) {
if (tableStyle != null) {
tableStyle = tableStyle + ";width:" + width + "px";
}
else {
tableStyle = "width:" + width + "px";
}
}
}
writer.startElement("table", null);
writer.writeAttribute("role", "grid", null);
if (tableStyle != null) {
writer.writeAttribute("style", tableStyle, null);
}
if (table.getTableStyleClass() != null) {
writer.writeAttribute("class", table.getTableStyleClass(), null);
}
String summary = table.getSummary();
String clientId = table.getClientId(context);
if (summary != null) {
writer.writeAttribute("summary", summary, null);
writer.writeAttribute(HTML.ARIA_DESCRIBEDBY, clientId + "_summary", null);
}
encodeThead(context, table);
encodeTFoot(context, table);
encodeTbody(context, table, false);
writer.endElement("table");
writer.endElement("div");
}
protected void encodeScrollableTable(FacesContext context, DataTable table) throws IOException {
String tableStyle = table.getTableStyle();
String tableStyleClass = table.getTableStyleClass();
int frozenColumns = table.getFrozenColumns();
boolean hasFrozenColumns = (frozenColumns != 0);
ResponseWriter writer = context.getResponseWriter();
String clientId = table.getClientId(context);
int columnsCount = table.getColumns().size();
boolean isVirtualScroll = table.isVirtualScroll();
if (hasFrozenColumns) {
writer.startElement("table", null);
writer.writeAttribute("class", "ui-datatable-fs", null);
writer.startElement("tbody", null);
writer.startElement("tr", null);
//frozen columns
writer.startElement("td", null);
writer.writeAttribute("class", "ui-datatable-frozenlayout-left", null);
writer.startElement("div", null);
writer.writeAttribute("class", "ui-datatable-frozen-container", null);
encodeScrollAreaStart(context, table, DataTable.SCROLLABLE_HEADER_CLASS, DataTable.SCROLLABLE_HEADER_BOX_CLASS, tableStyle, tableStyleClass);
encodeThead(context, table, 0, frozenColumns, clientId + "_frozenThead", "frozenHeader");
encodeFrozenRows(context, table, 0, frozenColumns);
encodeScrollAreaEnd(context);
if (isVirtualScroll) {
encodeVirtualScrollBody(context, table, tableStyle, tableStyleClass, 0, frozenColumns, clientId + "_frozenTbody");
}
else {
encodeScrollBody(context, table, tableStyle, tableStyleClass, 0, frozenColumns, clientId + "_frozenTbody");
}
encodeScrollAreaStart(context, table, DataTable.SCROLLABLE_FOOTER_CLASS, DataTable.SCROLLABLE_FOOTER_BOX_CLASS, tableStyle, tableStyleClass);
encodeTFoot(context, table, 0, frozenColumns, clientId + "_frozenTfoot", "frozenFooter");
encodeScrollAreaEnd(context);
writer.endElement("div");
writer.endElement("td");
//scrollable columns
writer.startElement("td", null);
writer.writeAttribute("class", "ui-datatable-frozenlayout-right", null);
writer.startElement("div", null);
writer.writeAttribute("class", "ui-datatable-scrollable-container", null);
encodeScrollAreaStart(context, table, DataTable.SCROLLABLE_HEADER_CLASS, DataTable.SCROLLABLE_HEADER_BOX_CLASS, tableStyle, tableStyleClass);
encodeThead(context, table, frozenColumns, columnsCount, clientId + "_scrollableThead", "scrollableHeader");
encodeFrozenRows(context, table, frozenColumns, columnsCount);
encodeScrollAreaEnd(context);
if (isVirtualScroll) {
encodeVirtualScrollBody(context, table, tableStyle, tableStyleClass, frozenColumns, columnsCount, clientId + "_scrollableTbody");
}
else {
encodeScrollBody(context, table, tableStyle, tableStyleClass, frozenColumns, columnsCount, clientId + "_scrollableTbody");
}
encodeScrollAreaStart(context, table, DataTable.SCROLLABLE_FOOTER_CLASS, DataTable.SCROLLABLE_FOOTER_BOX_CLASS, tableStyle, tableStyleClass);
encodeTFoot(context, table, frozenColumns, columnsCount, clientId + "_scrollableTfoot", "scrollableFooter");
encodeScrollAreaEnd(context);
writer.endElement("div");
writer.endElement("td");
writer.endElement("tr");
writer.endElement("tbody");
writer.endElement("table");
}
else {
encodeScrollAreaStart(context, table, DataTable.SCROLLABLE_HEADER_CLASS, DataTable.SCROLLABLE_HEADER_BOX_CLASS, tableStyle, tableStyleClass);
encodeThead(context, table);
encodeFrozenRows(context, table, 0, columnsCount);
encodeScrollAreaEnd(context);
if (isVirtualScroll) {
encodeVirtualScrollBody(context, table, tableStyle, tableStyleClass, 0, columnsCount, null);
}
else {
encodeScrollBody(context, table, tableStyle, tableStyleClass, 0, columnsCount, null);
}
encodeScrollAreaStart(context, table, DataTable.SCROLLABLE_FOOTER_CLASS, DataTable.SCROLLABLE_FOOTER_BOX_CLASS, tableStyle, tableStyleClass);
encodeTFoot(context, table);
encodeScrollAreaEnd(context);
}
}
protected void encodeFrozenScrollableTable(FacesContext context, DataTable table, int frozenColumns) throws IOException {
}
protected void encodeScrollAreaStart(FacesContext context, DataTable table, String containerClass, String containerBoxClass,
String tableStyle, String tableStyleClass) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", containerClass, null);
writer.startElement("div", null);
writer.writeAttribute("class", containerBoxClass, null);
writer.startElement("table", null);
writer.writeAttribute("role", "grid", null);
if (tableStyle != null) {
writer.writeAttribute("style", tableStyle, null);
}
if (tableStyleClass != null) {
writer.writeAttribute("class", tableStyleClass, null);
}
}
protected void encodeScrollAreaEnd(FacesContext context) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.endElement("table");
writer.endElement("div");
writer.endElement("div");
}
protected void encodeScrollBody(FacesContext context, DataTable table, String tableStyle, String tableStyleClass, int columnStart,
int columnEnd, String tbodyId) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String scrollHeight = table.getScrollHeight();
writer.startElement("div", null);
writer.writeAttribute("class", DataTable.SCROLLABLE_BODY_CLASS, null);
writer.writeAttribute("tabindex", "-1", null);
if (scrollHeight != null && scrollHeight.indexOf('%') == -1) {
writer.writeAttribute("style", "max-height:" + scrollHeight + "px", null);
}
writer.startElement("table", null);
writer.writeAttribute("role", "grid", null);
if (tableStyle != null) {
writer.writeAttribute("style", tableStyle, null);
}
if (table.getTableStyleClass() != null) {
writer.writeAttribute("class", tableStyleClass, null);
}
encodeTbody(context, table, false, columnStart, columnEnd, tbodyId);
writer.endElement("table");
writer.endElement("div");
}
protected void encodeVirtualScrollBody(FacesContext context, DataTable table, String tableStyle, String tableStyleClass, int columnStart,
int columnEnd, String tbodyId) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String scrollHeight = table.getScrollHeight();
tableStyleClass = (tableStyleClass == null) ? DataTable.VIRTUALSCROLL_TABLE_CLASS : tableStyleClass + " " + DataTable.VIRTUALSCROLL_TABLE_CLASS;
writer.startElement("div", null);
writer.writeAttribute("class", DataTable.SCROLLABLE_BODY_CLASS, null);
writer.writeAttribute("tabindex", "-1", null);
if (scrollHeight != null && scrollHeight.indexOf('%') == -1) {
writer.writeAttribute("style", "max-height:" + scrollHeight + "px", null);
}
writer.startElement("div", null);
writer.writeAttribute("class", DataTable.VIRTUALSCROLL_WRAPPER_CLASS, null);
writer.startElement("table", null);
writer.writeAttribute("role", "grid", null);
writer.writeAttribute("class", tableStyleClass, null);
if (tableStyle != null) {
writer.writeAttribute("style", tableStyle, null);
}
encodeTbody(context, table, false, columnStart, columnEnd, tbodyId);
writer.endElement("table");
writer.endElement("div");
writer.endElement("div");
}
public void encodeColumnHeader(FacesContext context, DataTable table, UIColumn column) throws IOException {
if (!column.isRendered()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
String clientId = column.getContainerClientId(context);
ValueExpression columnSortByVE = column.getValueExpression(Column.PropertyKeys.sortBy.toString());
ValueExpression columnFilterByVE = column.getValueExpression(Column.PropertyKeys.filterBy.toString());
boolean sortable = (columnSortByVE != null && column.isSortable());
boolean filterable = (columnFilterByVE != null && column.isFilterable());
String selectionMode = column.getSelectionMode();
String sortIcon = null;
boolean resizable = table.isResizableColumns() && column.isResizable();
int priority = column.getPriority();
boolean isColVisible = column.isVisible();
if (table.isMultiViewState()) {
Map<String, Boolean> togglableColsMap = table.getTogglableColumnsMap();
isColVisible = togglableColsMap.get(clientId) == null ? isColVisible : togglableColsMap.get(clientId);
}
String columnClass = sortable ? DataTable.COLUMN_HEADER_CLASS + " " + DataTable.SORTABLE_COLUMN_CLASS : DataTable.COLUMN_HEADER_CLASS;
columnClass = filterable ? 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.isToggleable() ? columnClass + " " + DataTable.STATIC_COLUMN_CLASS : columnClass;
columnClass = !isColVisible ? columnClass + " " + DataTable.HIDDEN_COLUMN_CLASS : columnClass;
columnClass = column.getStyleClass() != null ? columnClass + " " + column.getStyleClass() : columnClass;
if (priority > 0) {
columnClass = columnClass + " ui-column-p-" + priority;
}
if (sortable) {
ValueExpression tableSortByVE = table.getValueExpression(DataTable.PropertyKeys.sortBy.toString());
Object tableSortBy = table.getSortBy();
boolean defaultSorted = (tableSortByVE != null || tableSortBy != null || table.getMultiSortMeta() != null);
if (defaultSorted) {
if (table.isMultiSort()) {
List<SortMeta> sortMeta = table.getMultiSortMeta();
if (sortMeta != null) {
for (SortMeta meta : sortMeta) {
sortIcon = resolveDefaultSortIcon(column, meta);
if (sortIcon != null) {
break;
}
}
}
}
else {
sortIcon = resolveDefaultSortIcon(table, column, 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 (table.isMultiViewState() && resizable) {
Map<String, String> resizableColsMap = table.getResizableColumnsMap();
width = resizableColsMap.get(clientId) == null ? width : resizableColsMap.get(clientId);
}
if (width != null) {
String unit = width.endsWith("%") ? "" : "px";
if (style != null) {
style = style + ";width:" + width + unit;
}
else {
style = "width:" + width + unit;
}
}
String ariaHeaderLabel = getHeaderLabel(context, column);
UIComponent component = (column instanceof UIComponent) ? (UIComponent) column : null;
writer.startElement("th", component);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", columnClass, null);
writer.writeAttribute("role", "columnheader", null);
writer.writeAttribute(HTML.ARIA_LABEL, ariaHeaderLabel, null);
writer.writeAttribute("scope", "col", 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 (filterable) {
table.enableFiltering();
String filterPosition = column.getFilterPosition();
if (filterPosition.equals("bottom")) {
encodeColumnHeaderContent(context, table, column, sortIcon);
encodeFilter(context, table, column);
}
else if (filterPosition.equals("top")) {
encodeFilter(context, table, column);
encodeColumnHeaderContent(context, table, column, sortIcon);
}
else {
throw new FacesException(filterPosition + " is an invalid option for filterPosition, valid values are 'bottom' or 'top'.");
}
}
else {
encodeColumnHeaderContent(context, table, column, sortIcon);
}
if (selectionMode != null && selectionMode.equalsIgnoreCase("multiple")) {
encodeCheckbox(context, table, false, false, HTML.CHECKBOX_ALL_CLASS, true);
}
writer.endElement("th");
}
protected Object findFilterValue(DataTable table, UIColumn column) {
List<FilterState> filters = table.getFilterBy();
if (filters != null) {
for (FilterState filterState : filters) {
if (filterState.getColumnKey().equals(column.getColumnKey())) {
return filterState.getFilterValue();
}
}
}
return null;
}
protected String resolveDefaultSortIcon(UIColumn column, SortMeta sortMeta) {
SortOrder sortOrder = sortMeta.getSortOrder();
String sortIcon = null;
if (column.getColumnKey().equals(sortMeta.getColumn().getColumnKey())) {
if (sortOrder.equals(SortOrder.ASCENDING)) {
sortIcon = DataTable.SORTABLE_COLUMN_ASCENDING_ICON_CLASS;
}
else if (sortOrder.equals(SortOrder.DESCENDING)) {
sortIcon = DataTable.SORTABLE_COLUMN_DESCENDING_ICON_CLASS;
}
}
return sortIcon;
}
protected String resolveDefaultSortIcon(DataTable table, UIColumn column, String sortOrder) {
ValueExpression tableSortByVE = table.getValueExpression(DataTable.PropertyKeys.sortBy.toString());
String field = table.resolveColumnField(column);
String sortField = table.getSortField();
sortField = (sortField == null && tableSortByVE != null) ? table.resolveStaticField(tableSortByVE) : sortField;
String sortIcon = null;
if (sortField != null && field != null && sortField.equals(field)) {
if (sortOrder.equalsIgnoreCase("ASCENDING")) {
sortIcon = DataTable.SORTABLE_COLUMN_ASCENDING_ICON_CLASS;
}
else if (sortOrder.equalsIgnoreCase("DESCENDING")) {
sortIcon = DataTable.SORTABLE_COLUMN_DESCENDING_ICON_CLASS;
}
}
return sortIcon;
}
protected void encodeColumnHeaderContent(FacesContext context, DataTable table, UIColumn column, String sortIcon) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent header = column.getFacet("header");
String headerText = column.getHeaderText();
writer.startElement("span", null);
writer.writeAttribute("class", DataTable.COLUMN_TITLE_CLASS, null);
if (header != null) {
header.encodeAll(context);
}
else if (headerText != null) {
if (table.isEscapeText()) {
writer.writeText(headerText, "headerText");
}
else {
writer.write(headerText);
}
}
writer.endElement("span");
if (sortIcon != null) {
writer.startElement("span", null);
writer.writeAttribute("class", sortIcon, null);
writer.endElement("span");
}
}
protected void encodeFilter(FacesContext context, DataTable table, UIColumn column) throws IOException {
Map<String, String> params = context.getExternalContext().getRequestParameterMap();
ResponseWriter writer = context.getResponseWriter();
UIComponent filterFacet = column.getFacet("filter");
if (filterFacet == null) {
String separator = String.valueOf(UINamingContainer.getSeparatorChar(context));
boolean disableTabbing = table.getScrollWidth() != null;
String filterId = column.getContainerClientId(context) + separator + "filter";
String filterStyleClass = column.getFilterStyleClass();
Object filterValue = null;
if (table.isReset()) {
filterValue = "";
}
else {
filterValue = findFilterValue(table, column);
if (filterValue == null) {
if (params.containsKey(filterId)) {
filterValue = params.get(filterId);
}
else {
Object columnFilterValue = column.getFilterValue();
filterValue = (columnFilterValue == null) ? Constants.EMPTY_STRING : columnFilterValue.toString();
}
}
}
//aria
String ariaLabelId = filterId + "_label";
String ariaHeaderLabel = getHeaderLabel(context, column);
String ariaMessage = MessageFactory.getMessage(DataTable.ARIA_FILTER_BY, new Object[]{ariaHeaderLabel});
writer.startElement("label", null);
writer.writeAttribute("id", ariaLabelId, null);
writer.writeAttribute("for", filterId, null);
writer.writeAttribute("class", "ui-helper-hidden", null);
writer.writeText(ariaMessage, null);
writer.endElement("label");
if (column.getValueExpression(Column.PropertyKeys.filterOptions.toString()) == null) {
filterStyleClass = filterStyleClass == null
? DataTable.COLUMN_INPUT_FILTER_CLASS
: DataTable.COLUMN_INPUT_FILTER_CLASS + " " + filterStyleClass;
writer.startElement("input", null);
writer.writeAttribute("id", filterId, null);
writer.writeAttribute("name", filterId, null);
writer.writeAttribute("class", filterStyleClass, null);
writer.writeAttribute("value", filterValue, null);
writer.writeAttribute("autocomplete", "off", null);
writer.writeAttribute(HTML.ARIA_LABELLEDBY, ariaLabelId, null);
if (disableTabbing) {
writer.writeAttribute("tabindex", "-1", null);
}
if (column.getFilterStyle() != null) {
writer.writeAttribute("style", column.getFilterStyle(), null);
}
if (column.getFilterMaxLength() != Integer.MAX_VALUE) {
writer.writeAttribute("maxlength", column.getFilterMaxLength(), null);
}
writer.endElement("input");
}
else {
filterStyleClass = filterStyleClass == null ? DataTable.COLUMN_FILTER_CLASS : DataTable.COLUMN_FILTER_CLASS + " " + filterStyleClass;
writer.startElement("select", null);
writer.writeAttribute("id", filterId, null);
writer.writeAttribute("name", filterId, null);
writer.writeAttribute("class", filterStyleClass, null);
writer.writeAttribute(HTML.ARIA_LABELLEDBY, ariaLabelId, null);
if (disableTabbing) {
writer.writeAttribute("tabindex", "-1", null);
}
SelectItem[] itemsArray = getFilterOptions(column);
for (SelectItem item : itemsArray) {
Object itemValue = item.getValue();
writer.startElement("option", null);
writer.writeAttribute("value", item.getValue(), null);
if (itemValue != null && String.valueOf(itemValue).equals(filterValue)) {
writer.writeAttribute("selected", "selected", null);
}
if (item.isEscape()) {
writer.writeText(item.getLabel(), "value");
}
else {
writer.write(item.getLabel());
}
writer.endElement("option");
}
writer.endElement("select");
}
}
else {
Object filterValue = findFilterValue(table, column);
if (filterValue != null) {
((ValueHolder) filterFacet).setValue(filterValue);
}
writer.startElement("div", null);
writer.writeAttribute("class", DataTable.COLUMN_CUSTOM_FILTER_CLASS, null);
filterFacet.encodeAll(context);
writer.endElement("div");
}
}
protected SelectItem[] getFilterOptions(UIColumn column) {
Object options = column.getFilterOptions();
if (options instanceof SelectItem[]) {
return (SelectItem[]) options;
}
else if (options instanceof Collection<?>) {
return ((Collection<SelectItem>) column.getFilterOptions()).toArray(new SelectItem[]{});
}
else {
throw new FacesException("Filter options for column " + column.getClientId() + " should be a SelectItem array or collection");
}
}
public void encodeColumnFooter(FacesContext context, DataTable table, UIColumn column) throws IOException {
if (!column.isRendered()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
String clientId = column.getContainerClientId(context);
int priority = column.getPriority();
String style = column.getStyle();
String styleClass = column.getStyleClass();
styleClass = styleClass == null ? DataTable.COLUMN_FOOTER_CLASS : DataTable.COLUMN_FOOTER_CLASS + " " + styleClass;
boolean isColVisible = column.isVisible();
if (table.isMultiViewState()) {
Map<String, Boolean> togglableColsMap = table.getTogglableColumnsMap();
isColVisible = togglableColsMap.get(clientId) == null ? isColVisible : togglableColsMap.get(clientId);
}
if (!isColVisible) {
styleClass = styleClass + " " + DataTable.HIDDEN_COLUMN_CLASS;
}
if (priority > 0) {
styleClass = styleClass + " ui-column-p-" + priority;
}
writer.startElement("td", null);
writer.writeAttribute("class", styleClass, null);
if (style != null) {
writer.writeAttribute("style", style, null);
}
if (column.getRowspan() != 1) {
writer.writeAttribute("rowspan", column.getRowspan(), null);
}