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org.primefaces.component.treetable.TreeTableRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2014 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.treetable;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import javax.el.ValueExpression;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.api.DynamicColumn;
import org.primefaces.component.api.UIColumn;
import org.primefaces.component.api.UITree;
import org.primefaces.component.column.Column;
import org.primefaces.component.columngroup.ColumnGroup;
import org.primefaces.component.columns.Columns;
import org.primefaces.component.row.Row;
import org.primefaces.component.tree.Tree;
import org.primefaces.context.RequestContext;
import org.primefaces.model.SortOrder;
import org.primefaces.model.TreeNode;
import org.primefaces.model.TreeNodeComparator;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.renderkit.RendererUtils;
import org.primefaces.util.SharedStringBuilder;
import org.primefaces.util.TreeUtils;
import org.primefaces.util.WidgetBuilder;
public class TreeTableRenderer extends CoreRenderer {
private static final String SB_DECODE_SELECTION = TreeTableRenderer.class.getName() + "#decodeSelection";
@Override
public void decode(FacesContext context, UIComponent component) {
TreeTable tt = (TreeTable) component;
if(tt.getSelectionMode() != null) {
decodeSelection(context, tt);
}
if(tt.isSortRequest(context)) {
decodeSort(context, tt);
}
decodeBehaviors(context, component);
}
protected void decodeSelection(FacesContext context, TreeTable tt) {
Map params = context.getExternalContext().getRequestParameterMap();
String selectionMode = tt.getSelectionMode();
String clientId = tt.getClientId(context);
//decode selection
if(selectionMode != null) {
String selectionValue = params.get(tt.getClientId(context) + "_selection");
if(!isValueBlank(selectionValue)) {
if(selectionMode.equals("single")) {
tt.setRowKey(selectionValue);
tt.setSelection(tt.getRowNode());
}
else {
String[] rowKeys = selectionValue.split(",");
TreeNode[] selection = new TreeNode[rowKeys.length];
for(int i = 0; i < rowKeys.length; i++) {
tt.setRowKey(rowKeys[i]);
selection[i] = tt.getRowNode();
}
tt.setSelection(selection);
}
tt.setRowKey(null); //cleanup
}
}
if(tt.isCheckboxSelection() && tt.isSelectionRequest(context)) {
String selectedNodeRowKey = params.get(clientId + "_instantSelection");
tt.setRowKey(selectedNodeRowKey);
TreeNode selectedNode = tt.getRowNode();
List descendantRowKeys = new ArrayList();
tt.populateRowKeys(selectedNode, descendantRowKeys);
int size = descendantRowKeys.size();
StringBuilder sb = SharedStringBuilder.get(context, SB_DECODE_SELECTION);
for(int i = 0; i < size; i++) {
sb.append(descendantRowKeys.get(i));
if(i != (size - 1)) {
sb.append(",");
}
}
RequestContext.getCurrentInstance().addCallbackParam("descendantRowKeys", sb.toString());
sb.setLength(0);
descendantRowKeys = null;
}
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
TreeTable tt = (TreeTable) component;
String clientId = tt.getClientId(context);
Map params = context.getExternalContext().getRequestParameterMap();
preRender(context, tt);
String nodeKey = params.get(clientId + "_expand");
if(nodeKey != null) {
tt.setRowKey(nodeKey);
TreeNode node = tt.getRowNode();
node.setExpanded(true);
encodeNodeChildren(context, tt, node);
}
else if(tt.isSortRequest(context)) {
encodeSort(context, tt);
}
else {
encodeMarkup(context, tt);
encodeScript(context, tt);
}
}
protected void preRender(FacesContext context, TreeTable tt) {
Columns dynamicCols = tt.getDynamicColumns();
if(dynamicCols != null) {
dynamicCols.setRowIndex(-1);
}
}
protected void encodeScript(FacesContext context, TreeTable tt) throws IOException {
String clientId = tt.getClientId(context);
String selectionMode = tt.getSelectionMode();
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("TreeTable", tt.resolveWidgetVar(), clientId)
.attr("selectionMode", selectionMode, null)
.attr("resizableColumns", tt.isResizableColumns(), false)
.attr("liveResize", tt.isLiveResize(), false)
.attr("scrollable", tt.isScrollable(), false)
.attr("scrollHeight", tt.getScrollHeight(), null)
.attr("scrollWidth", tt.getScrollWidth(), null)
.attr("nativeElements", tt.isNativeElements(), false);
encodeClientBehaviors(context, tt);
wb.finish();
}
protected void encodeMarkup(FacesContext context, TreeTable tt) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = tt.getClientId(context);
boolean scrollable = tt.isScrollable();
TreeNode root = tt.getValue();
if(root.getRowKey() == null) {
root.setRowKey("root");
tt.buildRowKeys(root);
tt.initPreselection();
}
//default sort
if(tt.getValueExpression("sortBy") != null && !tt.isDefaultSorted()) {
sort(tt);
}
String containerClass = tt.isResizableColumns() ? TreeTable.RESIZABLE_CONTAINER_CLASS : TreeTable.CONTAINER_CLASS;
containerClass = scrollable ? containerClass + " " + TreeTable.SCROLLABLE_CONTAINER_CLASS : containerClass;
containerClass = tt.getStyleClass() == null ? containerClass : containerClass + " " + tt.getStyleClass();
containerClass = tt.isShowUnselectableCheckbox() ? containerClass + " ui-treetable-checkbox-all" : containerClass;
writer.startElement("div", null);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", containerClass, null);
if(tt.getStyle() != null)
writer.writeAttribute("style", tt.getStyle(), null);
if(scrollable)
encodeScrollableMarkup(context, tt);
else
encodeRegularMarkup(context, tt);
if(tt.getSelectionMode() != null)
encodeStateHolder(context, tt, clientId + "_selection", tt.getSelectedRowKeysAsString());
if(scrollable)
encodeStateHolder(context, tt, clientId + "_scrollState", tt.getScrollState());
writer.endElement("div");
}
protected void encodeScrollableMarkup(FacesContext context, TreeTable tt) throws IOException {
String tableStyle = tt.getTableStyle();
String tableStyleClass = tt.getTableStyleClass();
encodeScrollAreaStart(context, tt, TreeTable.SCROLLABLE_HEADER_CLASS, TreeTable.SCROLLABLE_HEADER_BOX_CLASS, tableStyle, tableStyleClass, "header", TreeTable.HEADER_CLASS);
encodeThead(context, tt);
encodeScrollAreaEnd(context);
encodeScrollBody(context, tt, tableStyle, tableStyleClass);
encodeScrollAreaStart(context, tt, TreeTable.SCROLLABLE_FOOTER_CLASS, TreeTable.SCROLLABLE_FOOTER_BOX_CLASS, tableStyle, tableStyleClass, "footer", TreeTable.FOOTER_CLASS);
encodeTfoot(context, tt);
encodeScrollAreaEnd(context);
}
protected void encodeScrollBody(FacesContext context, TreeTable tt, String tableStyle, String tableStyleClass) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String scrollHeight = tt.getScrollHeight();
writer.startElement("div", null);
writer.writeAttribute("class", TreeTable.SCROLLABLE_BODY_CLASS, null);
if(scrollHeight != null && scrollHeight.indexOf("%") == -1) {
writer.writeAttribute("style", "height:" + scrollHeight + "px", 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);
encodeTbody(context, tt, false);
writer.endElement("table");
writer.endElement("div");
}
protected void encodeScrollAreaStart(FacesContext context, TreeTable tt, String containerClass, String containerBoxClass,
String tableStyle, String tableStyleClass, String facet, String facetClass) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", containerClass, null);
encodeFacet(context, tt, tt.getFacet(facet), facetClass);
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 encodeRegularMarkup(FacesContext context, TreeTable tt) throws IOException {
ResponseWriter writer = context.getResponseWriter();
encodeFacet(context, tt, tt.getFacet("header"), TreeTable.HEADER_CLASS);
writer.startElement("table", tt);
writer.writeAttribute("role", "treegrid", null);
if(tt.getTableStyle() != null) writer.writeAttribute("style", tt.getTableStyle(), null);
if(tt.getTableStyleClass() != null) writer.writeAttribute("class", tt.getTableStyleClass(), null);
encodeThead(context, tt);
encodeTfoot(context, tt);
encodeTbody(context, tt, false);
writer.endElement("table");
encodeFacet(context, tt, tt.getFacet("footer"), TreeTable.FOOTER_CLASS);
}
protected void encodeThead(FacesContext context, TreeTable tt) throws IOException {
ResponseWriter writer = context.getResponseWriter();
ColumnGroup group = tt.getColumnGroup("header");
String clientId = tt.getClientId(context);
writer.startElement("thead", null);
writer.writeAttribute("id", clientId + "_head", null);
if(group != null && group.isRendered()) {
for(UIComponent child : group.getChildren()) {
if(child.isRendered() && child instanceof Row) {
Row headerRow = (Row) child;
String rowClass = headerRow.getStyleClass();
String rowStyle = headerRow.getStyle();
writer.startElement("tr", null);
if(rowClass != null) writer.writeAttribute("class", rowClass, null);
if(rowStyle != null) writer.writeAttribute("style", rowStyle, null);
for(UIComponent headerRowChild : headerRow.getChildren()) {
if(headerRowChild.isRendered() && headerRowChild instanceof Column) {
encodeColumnHeader(context, tt, (Column) headerRowChild);
}
}
writer.endElement("tr");
}
}
}
else {
writer.startElement("tr", null);
writer.writeAttribute("role", "row", null);
List columns = tt.getColumns();
for(int i = 0; i < columns.size(); i++) {
UIColumn column = columns.get(i);
if(column instanceof Column) {
encodeColumnHeader(context, tt, column);
}
else if(column instanceof DynamicColumn) {
DynamicColumn dynamicColumn = (DynamicColumn) column;
dynamicColumn.applyModel();
encodeColumnHeader(context, tt, dynamicColumn);
}
}
writer.endElement("tr");
}
writer.endElement("thead");
}
protected void encodeTbody(FacesContext context, TreeTable tt, boolean dataOnly) throws IOException {
ResponseWriter writer = context.getResponseWriter();
TreeNode root = (TreeNode) tt.getValue();
String clientId = tt.getClientId(context);
boolean empty = (root == null || root.getChildCount() == 0);
UIComponent emptyFacet = tt.getFacet("emptyMessage");
if(!dataOnly) {
writer.startElement("tbody", null);
writer.writeAttribute("id", clientId + "_data", null);
writer.writeAttribute("class", TreeTable.DATA_CLASS, null);
}
if(empty) {
writer.startElement("tr", null);
writer.writeAttribute("class", TreeTable.EMPTY_MESSAGE_ROW_CLASS, null);
writer.startElement("td", null);
writer.writeAttribute("colspan", tt.getColumnsCount(), null);
if(emptyFacet != null)
emptyFacet.encodeAll(context);
else
writer.write(tt.getEmptyMessage());
writer.endElement("td");
writer.endElement("tr");
}
if(root != null) {
encodeNodeChildren(context, tt, root);
}
tt.setRowKey(null);
if(!dataOnly) {
writer.endElement("tbody");
}
}
protected void encodeNode(FacesContext context, TreeTable tt, TreeNode treeNode) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String rowKey = treeNode.getRowKey();
String parentRowKey = treeNode.getParent().getRowKey();
tt.setRowKey(rowKey);
String icon = treeNode.isExpanded() ? TreeTable.COLLAPSE_ICON : TreeTable.EXPAND_ICON;
int depth = rowKey.split(UITree.SEPARATOR).length - 1;
String selectionMode = tt.getSelectionMode();
boolean selectionEnabled = selectionMode != null;
boolean selectable = treeNode.isSelectable() && selectionEnabled;
boolean checkboxSelection = selectionEnabled && selectionMode.equals("checkbox");
boolean selected = treeNode.isSelected();
boolean partialSelected = treeNode.isPartialSelected();
boolean nativeElements = tt.isNativeElements();
List columns = tt.getColumns();
String rowStyleClass = selected ? TreeTable.SELECTED_ROW_CLASS : TreeTable.ROW_CLASS;
rowStyleClass = selectable ? rowStyleClass + " " + TreeTable.SELECTABLE_NODE_CLASS : rowStyleClass;
rowStyleClass = rowStyleClass + " " + treeNode.getType();
if(partialSelected) {
rowStyleClass = rowStyleClass + " " + TreeTable.PARTIAL_SELECTED_CLASS;
}
String userRowStyleClass = tt.getRowStyleClass();
if(userRowStyleClass != null) {
rowStyleClass = rowStyleClass + " " + userRowStyleClass;
}
writer.startElement("tr", null);
writer.writeAttribute("id", tt.getClientId(context) + "_node_" + rowKey, null);
writer.writeAttribute("class", rowStyleClass, null);
writer.writeAttribute("role", "row", null);
writer.writeAttribute("aria-expanded", String.valueOf(treeNode.isExpanded()), null);
writer.writeAttribute("data-rk", rowKey, null);
if(parentRowKey != null) {
writer.writeAttribute("data-prk", parentRowKey, null);
}
if(selectionEnabled) {
writer.writeAttribute("aria-selected", String.valueOf(selected), null);
}
for(int i=0; i < columns.size(); i++) {
UIColumn column = columns.get(i);
if(column.isDynamic()) {
((DynamicColumn) column).applyModel();
}
if(column.isRendered()) {
String columnStyleClass = column.getStyleClass();
String columnStyle = column.getStyle();
int rowspan = column.getRowspan();
int colspan = column.getColspan();
writer.startElement("td", null);
writer.writeAttribute("role", "gridcell", null);
if(columnStyle != null) writer.writeAttribute("style", columnStyle, null);
if(columnStyleClass != null) writer.writeAttribute("class", columnStyleClass, null);
if(rowspan != 1) writer.writeAttribute("rowspan", rowspan, null);
if(colspan != 1) writer.writeAttribute("colspan", colspan, null);
if(i == 0) {
for(int j = 0; j < depth; j++) {
writer.startElement("span", null);
writer.writeAttribute("class", TreeTable.INDENT_CLASS, null);
writer.endElement("span");
}
writer.startElement("span", null);
writer.writeAttribute("class", icon, null);
if(treeNode.isLeaf()) {
writer.writeAttribute("style", "visibility:hidden", null);
}
writer.endElement("span");
if(checkboxSelection) {
if(!nativeElements)
RendererUtils.encodeCheckbox(context, selected, partialSelected, !selectable, Tree.CHECKBOX_CLASS);
else
renderNativeCheckbox(context, tt, selected, partialSelected);
}
}
column.renderChildren(context);
writer.endElement("td");
}
}
writer.endElement("tr");
if(treeNode.isExpanded()) {
encodeNodeChildren(context, tt, treeNode);
}
}
protected void encodeColumnHeader(FacesContext context, TreeTable tt, UIColumn column) throws IOException {
if(!column.isRendered()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
UIComponent header = column.getFacet("header");
String headerText = column.getHeaderText();
int colspan = column.getColspan();
int rowspan = column.getRowspan();
ValueExpression columnSortByVE = column.getValueExpression("sortBy");
boolean sortable = (columnSortByVE != null);
String sortIcon = null;
String style = column.getStyle();
String columnClass = sortable ? TreeTable.SORTABLE_COLUMN_HEADER_CLASS : TreeTable.COLUMN_HEADER_CLASS;
String userColumnClass = column.getStyleClass();
if(column.isResizable()) columnClass = columnClass + " " + TreeTable.RESIZABLE_COLUMN_CLASS;
if(userColumnClass != null) columnClass = columnClass + " " + userColumnClass;
if(sortable) {
ValueExpression tableSortByVE = tt.getValueExpression("sortBy");
if(tableSortByVE != null) {
sortIcon = resolveSortIcon(columnSortByVE, tableSortByVE, tt.getSortOrder());
}
if(sortIcon == null)
sortIcon = TreeTable.SORTABLE_COLUMN_ICON_CLASS;
else
columnClass += " ui-state-active";
}
writer.startElement("th", null);
writer.writeAttribute("id", column.getClientId(context), null);
writer.writeAttribute("class", columnClass, null);
writer.writeAttribute("role", "columnheader", null);
if(style != null) writer.writeAttribute("style", style, null);
if(rowspan != 1) writer.writeAttribute("rowspan", rowspan, null);
if(colspan != 1) writer.writeAttribute("colspan", colspan, null);
writer.startElement("span", null);
if(header != null)
header.encodeAll(context);
else if(headerText != null)
writer.write(headerText);
writer.endElement("span");
if(sortable) {
writer.startElement("span", null);
writer.writeAttribute("class", sortIcon, null);
writer.endElement("span");
}
writer.endElement("th");
}
protected void encodeNodeChildren(FacesContext context, TreeTable tt, TreeNode treeNode) throws IOException {
int childCount = treeNode.getChildCount();
if(childCount > 0) {
List children = treeNode.getChildren();
for(int i = 0; i < childCount; i++) {
encodeNode(context, tt, children.get(i));
}
}
}
protected void encodeFacet(FacesContext context, TreeTable tt, UIComponent facet, String styleClass) throws IOException {
if(facet == null)
return;
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", styleClass, null);
facet.encodeAll(context);
writer.endElement("div");
}
protected void encodeTfoot(FacesContext context, TreeTable tt) throws IOException {
ResponseWriter writer = context.getResponseWriter();
ColumnGroup group = tt.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;
String rowClass = footerRow.getStyleClass();
String rowStyle = footerRow.getStyle();
writer.startElement("tr", null);
if(rowClass != null) writer.writeAttribute("class", rowClass, null);
if(rowStyle != null) writer.writeAttribute("style", rowStyle, null);
for(UIComponent footerRowChild : footerRow.getChildren()) {
if(footerRowChild.isRendered() && footerRowChild instanceof Column) {
encodeColumnFooter(context, tt, (Column) footerRowChild);
}
}
writer.endElement("tr");
}
}
}
else if(tt.hasFooterColumn()) {
writer.startElement("tr", null);
List columns = tt.getColumns();
for(int i = 0; i < columns.size(); i++) {
UIColumn column = columns.get(i);
if(column instanceof Column) {
encodeColumnFooter(context, tt, column);
}
else if(column instanceof DynamicColumn) {
DynamicColumn dynamicColumn = (DynamicColumn) column;
dynamicColumn.applyModel();
encodeColumnFooter(context, tt, dynamicColumn);
}
}
writer.endElement("tr");
}
writer.endElement("tfoot");
}
protected void encodeColumnFooter(FacesContext context, TreeTable table, UIColumn column) throws IOException {
if(!column.isRendered()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
int colspan = column.getColspan();
int rowspan = column.getRowspan();
UIComponent footerFacet = column.getFacet("footer");
String footerText = column.getFooterText();
String style = column.getStyle();
String columnStyleClass = column.getStyleClass();
columnStyleClass = (columnStyleClass == null) ? TreeTable.COLUMN_HEADER_CLASS : TreeTable.COLUMN_HEADER_CLASS + " " + columnStyleClass;
writer.startElement("td", null);
writer.writeAttribute("class", columnStyleClass, null);
if(style != null) writer.writeAttribute("style", style, null);
if(rowspan != 1) writer.writeAttribute("rowspan", rowspan, null);
if(colspan != 1) writer.writeAttribute("colspan", colspan, null);
if(footerFacet != null)
footerFacet.encodeAll(context);
else if(footerText != null)
writer.write(footerText);
writer.endElement("td");
}
@Override
public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException {
//Do nothing
}
@Override
public boolean getRendersChildren() {
return true;
}
private void encodeStateHolder(FacesContext context, TreeTable tt, String name, String value) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("input", null);
writer.writeAttribute("id", name, null);
writer.writeAttribute("name", name, null);
writer.writeAttribute("type", "hidden", null);
writer.writeAttribute("value", value, null);
writer.endElement("input");
}
protected String resolveSortIcon(ValueExpression columnSortBy, ValueExpression ttSortBy, String sortOrder) {
String columnSortByExpression = columnSortBy.getExpressionString();
String ttSortByExpression = ttSortBy.getExpressionString();
String sortIcon = null;
if(ttSortByExpression != null && ttSortByExpression.equals(columnSortByExpression)) {
if(sortOrder.equalsIgnoreCase("ASCENDING"))
sortIcon = TreeTable.SORTABLE_COLUMN_ASCENDING_ICON_CLASS;
else if(sortOrder.equalsIgnoreCase("DESCENDING"))
sortIcon = TreeTable.SORTABLE_COLUMN_DESCENDING_ICON_CLASS;
}
return sortIcon;
}
protected void decodeSort(FacesContext context, TreeTable tt) {
Map params = context.getExternalContext().getRequestParameterMap();
String clientId = tt.getClientId(context);
String sortKey = params.get(clientId + "_sortKey");
String sortDir = params.get(clientId + "_sortDir");
UIColumn sortColumn = tt.findColumn(sortKey);
ValueExpression sortByVE = sortColumn.getValueExpression("sortBy");
tt.setValueExpression("sortBy", sortByVE);
tt.setSortColumn(sortColumn);
tt.setSortFunction(sortColumn.getSortFunction());
tt.setSortOrder(sortDir);
}
protected void encodeSort(FacesContext context, TreeTable tt) throws IOException {
sort(tt);
encodeTbody(context, tt, true);
}
public void sort(TreeTable tt) {
TreeNode root = tt.getValue();
if(root == null)
return;
UIColumn sortColumn = tt.getSortColumn();
if(sortColumn != null && sortColumn.isDynamic()) {
((DynamicColumn) sortColumn).applyStatelessModel();
}
ValueExpression sortByVE = tt.getValueExpression("sortBy");
SortOrder sortOrder = SortOrder.valueOf(tt.getSortOrder().toUpperCase(Locale.ENGLISH));
TreeUtils.sortNode(root, new TreeNodeComparator(sortByVE, tt.getVar(), sortOrder, tt.getSortFunction(), tt.isCaseSensitiveSort(), tt.resolveDataLocale()));
tt.updateRowKeys(root);
RequestContext requestContext = RequestContext.getCurrentInstance();
requestContext.addCallbackParam("selection", tt.getSelectedRowKeysAsString());
}
protected void renderNativeCheckbox(FacesContext context, TreeTable tt, boolean checked, boolean partialSelected) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("input", null);
writer.writeAttribute("type", "checkbox", null);
writer.writeAttribute("name", tt.getContainerClientId(context) + "_checkbox", null);
if(checked) {
writer.writeAttribute("checked", "checked", null);
}
if(partialSelected) {
writer.writeAttribute("class", "ui-treetable-indeterminate", null);
}
writer.endElement("input");
}
}
