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JSF components and utilities that can be used with any JSF implementation.
This library is based on the JSF1.1 version of Tomahawk, but with minor source code and build
changes to take advantage of JSF2.1 features. A JSF2.1 implementation is required to use this
version of the Tomahawk library.
The newest version!
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.myfaces.custom.datascroller;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.faces.application.Application;
import javax.faces.component.UIComponent;
import javax.faces.component.UIOutput;
import javax.faces.component.UIParameter;
import javax.faces.component.UIViewRoot;
import javax.faces.component.behavior.ClientBehavior;
import javax.faces.component.html.HtmlOutputText;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.apache.myfaces.component.html.ext.HtmlCommandLink;
import org.apache.myfaces.shared_tomahawk.renderkit.JSFAttr;
import org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HTML;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRenderer;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;
/**
* Renderer for the HtmlDataScroller component.
*
* @JSFRenderer
* renderKitId = "HTML_BASIC"
* family = "javax.faces.Panel"
* type = "org.apache.myfaces.DataScroller"
*
* @author Thomas Spiegl (latest modification by $Author: lu4242 $)
* @version $Revision: 987302 $ $Date: 2010-08-19 15:40:05 -0500 (Jue, 19 Ago 2010) $
*/
public class HtmlDataScrollerRenderer extends HtmlRenderer
{
public static final String RENDERER_TYPE = "org.apache.myfaces.DataScroller";
protected static final String PAGE_NAVIGATION = "idx".intern();
public boolean getRendersChildren()
{
return true;
}
/**
* Determine which datascroller navigation option the user chose (if any),
* and if they did then queue the appropriate ScrollerActionEvent for
* later execution.
*/
public void decode(FacesContext context, UIComponent component)
{
RendererUtils.checkParamValidity(context, component, HtmlDataScroller.class);
Map parameter = context.getExternalContext().getRequestParameterMap();
String param = (String) parameter.get(component.getClientId(context));
if (param != null && param.length() > 0)
{
if (param.startsWith(PAGE_NAVIGATION))
{
// the user chose a specific page# to jump to
component.queueEvent(new ScrollerActionEvent(component, Integer.parseInt(param
.substring(PAGE_NAVIGATION.length(), param.length()))));
}
else
{
// the user chose first/last/prev/next/fastrewind/fastforward
component.queueEvent(new ScrollerActionEvent(component, param));
}
}
}
/**
* Expose much of the internal state of this component so that UIComponents
* nested within this component can very flexibly display the component state
* to the user.
*/
protected void setVariables(FacesContext facescontext, HtmlDataScroller scroller)
throws IOException
{
Map requestMap = facescontext.getExternalContext().getRequestMap();
String pageCountVar = scroller.getPageCountVar();
if (pageCountVar != null)
{
int pageCount = scroller.getPageCount();
requestMap.put(pageCountVar, new Integer(pageCount));
}
String pageIndexVar = scroller.getPageIndexVar();
if (pageIndexVar != null)
{
int pageIndex = (scroller.getRowCount() > 0)? scroller.getPageIndex() : 0;
requestMap.put(pageIndexVar, new Integer(pageIndex));
}
String rowsCountVar = scroller.getRowsCountVar();
if (rowsCountVar != null)
{
int rowsCount = scroller.getRowCount();
requestMap.put(rowsCountVar, new Integer(rowsCount));
}
String displayedRowsCountVar = scroller.getDisplayedRowsCountVar();
if (displayedRowsCountVar != null)
{
int displayedRowsCount = scroller.getRows();
int max = scroller.getRowCount() - scroller.getFirstRow();
if (displayedRowsCount > max)
displayedRowsCount = max;
requestMap.put(displayedRowsCountVar, new Integer(displayedRowsCount));
}
String firstRowIndexVar = scroller.getFirstRowIndexVar();
if (firstRowIndexVar != null)
{
int firstRowIndex = (scroller.getRowCount() > 0)? scroller.getFirstRow() + 1 : 0;
requestMap.put(firstRowIndexVar, new Integer(firstRowIndex));
}
String lastRowIndexVar = scroller.getLastRowIndexVar();
if (lastRowIndexVar != null)
{
int lastRowIndex = scroller.getFirstRow() + scroller.getRows();
int count = scroller.getRowCount();
if (lastRowIndex > count)
lastRowIndex = count;
requestMap.put(lastRowIndexVar, new Integer(lastRowIndex));
}
}
public void removeVariables(FacesContext facescontext, HtmlDataScroller scroller)
throws IOException
{
Map requestMap = facescontext.getExternalContext().getRequestMap();
String pageCountVar = scroller.getPageCountVar();
if (pageCountVar != null)
{
requestMap.remove(pageCountVar);
}
String pageIndexVar = scroller.getPageIndexVar();
if (pageIndexVar != null)
{
requestMap.remove(pageIndexVar);
}
String rowsCountVar = scroller.getRowsCountVar();
if (rowsCountVar != null)
{
requestMap.remove(rowsCountVar);
}
String displayedRowsCountVar = scroller.getDisplayedRowsCountVar();
if (displayedRowsCountVar != null)
{
requestMap.remove(displayedRowsCountVar);
}
String firstRowIndexVar = scroller.getFirstRowIndexVar();
if (firstRowIndexVar != null)
{
requestMap.remove(firstRowIndexVar);
}
String lastRowIndexVar = scroller.getLastRowIndexVar();
if (lastRowIndexVar != null)
{
requestMap.remove(lastRowIndexVar);
}
}
public void encodeBegin(FacesContext facesContext, UIComponent uiComponent) throws IOException
{
super.encodeBegin(facesContext, uiComponent);
RendererUtils.checkParamValidity(facesContext, uiComponent, HtmlDataScroller.class);
HtmlDataScroller scroller = (HtmlDataScroller) uiComponent;
setVariables(facesContext, scroller);
if (scroller.getFirst() == null && scroller.getFastRewind() == null
&& scroller.getPrevious() == null && !scroller.isPaginator()
&& scroller.getNext() == null && scroller.getFastForward() == null
&& scroller.getLast() == null)
{
ResponseWriter writer = facesContext.getResponseWriter();
writer.startElement(HTML.DIV_ELEM, scroller);
Map> clientBehaviors = scroller.getClientBehaviors();
if (!clientBehaviors.isEmpty() ||
(scroller.getId() != null && !scroller.getId().startsWith(UIViewRoot.UNIQUE_ID_PREFIX)))
{
writer.writeAttribute(HTML.ID_ATTR, scroller.getClientId(facesContext), null);
}
}
}
public void encodeChildren(FacesContext facescontext, UIComponent uicomponent)
throws IOException
{
RendererUtils.checkParamValidity(facescontext, uicomponent, HtmlDataScroller.class);
// TOMAHAWK-1463 Don't render paginator links twice!
if (uicomponent.getChildCount() > 0)
{
HtmlDataScroller scroller = (HtmlDataScroller) uicomponent;
String scrollerIdPagePrefix = scroller.getId() + HtmlDataScrollerRenderer.PAGE_NAVIGATION;
for (Iterator it = uicomponent.getChildren().iterator(); it.hasNext(); )
{
UIComponent child = (UIComponent)it.next();
String childId = child.getId();
if (childId != null && !childId.startsWith(scrollerIdPagePrefix))
{
RendererUtils.renderChild(facescontext, child);
}
}
}
}
public void encodeEnd(FacesContext facesContext, UIComponent uiComponent) throws IOException
{
RendererUtils.checkParamValidity(facesContext, uiComponent, HtmlDataScroller.class);
HtmlDataScroller scroller = (HtmlDataScroller) uiComponent;
if (scroller.getUIData() == null)
{
return;
}
renderScroller(facesContext, scroller);
removeVariables(facesContext, scroller);
}
protected void renderScroller(FacesContext facesContext, HtmlDataScroller scroller)
throws IOException
{
ResponseWriter writer = facesContext.getResponseWriter();
if (scroller.getFirst() == null && scroller.getFastRewind() == null
&& scroller.getPrevious() == null && !scroller.isPaginator()
&& scroller.getNext() == null && scroller.getFastForward() == null
&& scroller.getLast() == null)
{
writer.endElement(HTML.DIV_ELEM);
return;
}
if (!scroller.isRenderFacetsIfSinglePage() && scroller.getPageCount() <= 1)
return;
writeScrollerStart(writer, scroller);
Map> clientBehaviors = scroller.getClientBehaviors();
if (!clientBehaviors.isEmpty() ||
(scroller.getId() != null && !scroller.getId().startsWith(UIViewRoot.UNIQUE_ID_PREFIX)))
{
writer.writeAttribute(HTML.ID_ATTR, scroller.getClientId(facesContext), null);
}
String styleClass = scroller.getStyleClass();
if (styleClass != null)
{
writer.writeAttribute(HTML.CLASS_ATTR, styleClass, JSFAttr.STYLE_CLASS_ATTR);
}
String style = scroller.getStyle();
if (style != null)
{
writer.writeAttribute(HTML.STYLE_ATTR, style, JSFAttr.STYLE_ATTR);
}
writeScrollerRowStart(writer, scroller);
boolean startActive = (scroller.getPageIndex() != 1);
boolean endActive = (scroller.getPageIndex() != scroller.getPageCount());
UIComponent facetComp = scroller.getFirst();
if (facetComp != null)
{
writeScrollerElementStart(writer, scroller);
writeStyleClass("firstStyleClass", scroller.getFirstStyleClass(), writer);
renderFacet(facesContext, scroller, facetComp, HtmlDataScroller.FACET_FIRST, startActive,
scroller.isRenderFacetLinksIfFirstPage(), scroller.isDisableFacetLinksIfFirstPage());
writeScrollerElementEnd(writer, scroller);
}
facetComp = scroller.getFastRewind();
if (facetComp != null)
{
writeScrollerElementStart(writer, scroller);
writeStyleClass("fastrStyleClass", scroller.getFastrStyleClass(), writer);
renderFacet(facesContext, scroller, facetComp, HtmlDataScroller.FACET_FAST_REWIND, startActive,
scroller.isRenderFacetLinksIfFirstPage(), scroller.isDisableFacetLinksIfFirstPage());
writeScrollerElementEnd(writer, scroller);
}
facetComp = scroller.getPrevious();
if (facetComp != null)
{
writeScrollerElementStart(writer, scroller);
writeStyleClass("previous", scroller.getPreviousStyleClass(), writer);
renderFacet(facesContext, scroller, facetComp, HtmlDataScroller.FACET_PREVIOUS, startActive,
scroller.isRenderFacetLinksIfFirstPage(), scroller.isDisableFacetLinksIfFirstPage());
writeScrollerElementEnd(writer, scroller);
}
if (scroller.isPaginator())
{
if(!scroller.isSingleElementLayout())
{
writeScrollerElementStart(writer, scroller);
}
renderPaginator(facesContext, scroller);
if(!scroller.isSingleElementLayout())
{
writeScrollerElementEnd(writer, scroller);
}
}
facetComp = scroller.getNext();
if (facetComp != null)
{
writeScrollerElementStart(writer, scroller);
writeStyleClass("next", scroller.getNextStyleClass(), writer);
renderFacet(facesContext, scroller, facetComp, HtmlDataScroller.FACET_NEXT, endActive,
scroller.isRenderFacetLinksIfLastPage(), scroller.isDisableFacetLinksIfLastPage());
writeScrollerElementEnd(writer, scroller);
}
facetComp = scroller.getFastForward();
if (facetComp != null)
{
writeScrollerElementStart(writer, scroller);
writeStyleClass("fastf", scroller.getFastfStyleClass(), writer);
renderFacet(facesContext, scroller, facetComp, HtmlDataScroller.FACET_FAST_FORWARD, endActive,
scroller.isRenderFacetLinksIfLastPage(), scroller.isDisableFacetLinksIfLastPage());
writeScrollerElementEnd(writer, scroller);
}
facetComp = scroller.getLast();
if (facetComp != null)
{
writeScrollerElementStart(writer, scroller);
writeStyleClass("last", scroller.getLastStyleClass(), writer);
renderFacet(facesContext, scroller, facetComp, HtmlDataScroller.FACET_LAST, endActive,
scroller.isRenderFacetLinksIfLastPage(), scroller.isDisableFacetLinksIfLastPage());
writeScrollerElementEnd(writer, scroller);
}
writeScrollerRowEnd(writer, scroller);
writeScrollerEnd(writer, scroller);
}
private void writeStyleClass(String jsfAttrName, String styleClass, ResponseWriter writer) throws IOException {
if (styleClass != null)
{
writer.writeAttribute(HTML.CLASS_ATTR, styleClass, jsfAttrName);
}
}
private boolean isListLayout(HtmlDataScroller scroller) {
return scroller.isListLayout();
}
protected void writeScrollerEnd(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
writer.endElement(isListLayout(scroller)?HTML.UL_ELEM:HTML.TABLE_ELEM);
}
protected void writeScrollerRowEnd(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
if(!isListLayout(scroller)) writer.endElement(HTML.TR_ELEM);
}
protected void writeScrollerElementEnd(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
writer.endElement(isListLayout(scroller)?HTML.LI_ELEM:HTML.TD_ELEM);
}
protected void writeScrollerElementStart(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
writer.startElement(isListLayout(scroller)?HTML.LI_ELEM:HTML.TD_ELEM, scroller);
}
protected void writeScrollerRowStart(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
if(!isListLayout(scroller)) writer.startElement(HTML.TR_ELEM, scroller);
}
protected void writeScrollerStart(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
writer.startElement(isListLayout(scroller)?HTML.UL_ELEM:HTML.TABLE_ELEM, scroller);
}
protected void renderFacet(FacesContext facesContext, HtmlDataScroller scroller,
UIComponent facetComp, String facetName, boolean active, boolean renderLinks, boolean disableLinks) throws IOException
{
String onclick = scroller.getOnclick();
String ondblclick = scroller.getOndblclick();
HtmlCommandLink link = getLink(facesContext, scroller, facetName);
if(onclick != null){
link.setOnclick(onclick);
}
if(ondblclick != null){
link.setOndblclick(ondblclick);
}
if (active) {
if (disableLinks && link.isDisabled())
{
//Enable because the facet is active
link.setDisabled(false);
}
link.encodeBegin(facesContext);
}
else if (renderLinks)
{
if (disableLinks && !link.isDisabled())
{
//Disable because the facet is not active
link.setDisabled(true);
}
link.encodeBegin(facesContext);
}
facetComp.encodeBegin(facesContext);
if (!facetComp.getRendersChildren())
facetComp.encodeChildren(facesContext);
facetComp.encodeEnd(facesContext);
if (active || renderLinks) {
link.encodeEnd(facesContext);
}
}
/**
* The "paginator" is a sequence of page numbers which the user can click
* on to leap directly to a specific page of data.
*/
protected void renderPaginator(FacesContext facesContext, HtmlDataScroller scroller)
throws IOException
{
ResponseWriter writer = facesContext.getResponseWriter();
int maxPages = scroller.getPaginatorMaxPages();
if (maxPages <= 1)
{
maxPages = 2;
}
int pageCount = scroller.getPageCount();
if (pageCount <= 1)
{
return;
}
int pageIndex = scroller.getPageIndex();
int delta = maxPages / 2;
int pages;
int start;
if (pageCount > maxPages && pageIndex > delta)
{
pages = maxPages;
start = pageIndex - pages / 2 - 1;
if (start + pages > pageCount)
{
start = pageCount - pages;
}
}
else
{
pages = pageCount < maxPages ? pageCount : maxPages;
start = 0;
}
if(!scroller.isSingleElementLayout())
{
writePaginatorStart(writer, scroller);
String styleClass = scroller.getPaginatorTableClass();
if (styleClass != null)
{
writer.writeAttribute(HTML.CLASS_ATTR, styleClass, "paginatorTableClass");
}
String style = scroller.getPaginatorTableStyle();
if (style != null)
{
writer.writeAttribute(HTML.STYLE_ATTR, style, "paginatorTableStyle");
}
writePaginatorRowStart(writer, scroller);
}
String onclick = scroller.getOnclick();
String ondblclick = scroller.getOndblclick();
// TOMAHAWK-596 TOMAHAWK-1249 Duplicate id exception for HtmlDataScrollerRenderer
// Prevent render old paginator links removing it from tree.
// Note that this only happens when transient components are not removed
// from component tree on save and restore phase.
if (scroller.getChildCount() != 0)
{
String scrollerIdPagePrefix = scroller.getId() + HtmlDataScrollerRenderer.PAGE_NAVIGATION;
for(Iterator it = scroller.getChildren().iterator(); it.hasNext();)
{
UIComponent child = (UIComponent) it.next();
String childId = child.getId();
if (childId != null && childId.startsWith(scrollerIdPagePrefix))
{
try
{
int p = Integer.parseInt(childId.substring(scrollerIdPagePrefix.length()));
if (p < start && p >= start + pages)
{
//Remove from child list
it.remove();
}
}
catch(NumberFormatException e)
{
//Do nothing because this component does not have the expected id format
}
}
}
}
for (int i = start, size = start + pages; i < size; i++)
{
int idx = i + 1;
writePaginatorElementStart(writer, scroller);
String cStyleClass;
String cStyle;
if (idx == pageIndex)
{
cStyleClass = scroller.getPaginatorActiveColumnClass();
cStyle = scroller.getPaginatorActiveColumnStyle();
}
else
{
cStyleClass = scroller.getPaginatorColumnClass();
cStyle = scroller.getPaginatorColumnStyle();
}
if (cStyleClass != null)
{
writer.writeAttribute(HTML.CLASS_ATTR, cStyleClass, idx==pageIndex?"paginatorActiveColumnClass":"paginatorColumnClass");
}
if (cStyle != null)
{
writer.writeAttribute(HTML.STYLE_ATTR, cStyle, idx==pageIndex?"paginatorActiveColumnStyle":"paginatorColumnStyle");
}
if(idx == pageIndex && !scroller.isPaginatorRenderLinkForActive())
{
writer.write(Integer.toString(idx));
}
else
{
HtmlCommandLink link = getLink(facesContext, scroller, Integer.toString(idx), idx);
if(onclick != null){
link.setOnclick(onclick);
}
if(ondblclick != null){
link.setOndblclick(ondblclick);
}
link.encodeBegin(facesContext);
link.encodeChildren(facesContext);
link.encodeEnd(facesContext);
}
writePaginatorElementEnd(writer, scroller);
}
if(!scroller.isSingleElementLayout())
{
writePaginatorRowEnd(writer, scroller);
writePaginatorEnd(writer, scroller);
}
}
protected void writePaginatorEnd(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
writer.endElement(isListLayout(scroller)?HTML.UL_ELEM:HTML.TABLE_ELEM);
}
protected void writePaginatorRowEnd(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
if(!isListLayout(scroller)) writer.endElement(HTML.TR_ELEM);
}
protected void writePaginatorElementEnd(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
writer.endElement(isListLayout(scroller)?HTML.LI_ELEM:HTML.TD_ELEM);
}
protected void writePaginatorElementStart(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
writer.startElement(isListLayout(scroller)?HTML.LI_ELEM:HTML.TD_ELEM, scroller);
}
protected void writePaginatorRowStart(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
if(!isListLayout(scroller)) writer.startElement(HTML.TR_ELEM, scroller);
}
protected void writePaginatorStart(ResponseWriter writer, HtmlDataScroller scroller) throws IOException {
writer.startElement(isListLayout(scroller)?HTML.UL_ELEM:HTML.TABLE_ELEM, scroller);
}
protected HtmlCommandLink getLink(FacesContext facesContext, HtmlDataScroller scroller,
String text, int pageIndex)
{
String id = HtmlDataScrollerRenderer.PAGE_NAVIGATION + Integer.toString(pageIndex);
Application application = facesContext.getApplication();
// TOMAHAWK-596 Duplicate id exception for HtmlDataScrollerRenderer
// For prevent this condition, try to detect if there is a component.
// Theorically this method should always return null, but it is known
// than in some cases (portlet) when the state manager is different from
// the default one, transient components are saved on the component tree.
// Really the error is on the jsf portlet bridge implementation used, but
// do this does not cause any side effect.
HtmlCommandLink link = (HtmlCommandLink) scroller.findComponent(scroller.getId() + id);
if (link == null)
{
// See Jira Issue TOMAHAWK-117 http://issues.apache.org/jira/browse/TOMAHAWK-117
// and http://issues.apache.org/jira/browse/MYFACES-1809
link = new org.apache.myfaces.component.html.ext.HtmlCommandLink();
//Copy all client behaviors
for (Map.Entry> entry : scroller.getClientBehaviors().entrySet())
{
List list = entry.getValue();
if (list != null && !list.isEmpty())
{
for (ClientBehavior cb : list)
{
link.addClientBehavior(entry.getKey(), cb);
}
}
}
link.setId(scroller.getId() + id);
link.setTransient(true);
UIParameter parameter = (UIParameter) application
.createComponent(UIParameter.COMPONENT_TYPE);
parameter.setId(scroller.getId() + id + "_param");
parameter.setTransient(true);
parameter.setName(scroller.getClientId(facesContext));
parameter.setValue(id);
List children = link.getChildren();
children.add(parameter);
if (text != null)
{
HtmlOutputText uiText = (HtmlOutputText) application
.createComponent(HtmlOutputText.COMPONENT_TYPE);
uiText.setId(scroller.getId() + id + "_text");
uiText.setTransient(true);
uiText.setValue(text);
children.add(uiText);
}
scroller.getChildren().add(link);
}
else
{
UIOutput uiText = (UIOutput) link.findComponent(scroller.getId() + id + "_text");
if (uiText != null)
{
//Update text value
uiText.setValue(text);
}
}
return link;
}
protected HtmlCommandLink getLink(FacesContext facesContext, HtmlDataScroller scroller,
String facetName)
{
Application application = facesContext.getApplication();
// TOMAHAWK-596 TOMAHAWK-1249 Duplicate id exception for HtmlDataScrollerRenderer
// For prevent this condition, try to detect if there is a component.
// Theorically this method should always return null, but it is known
// than in some cases (portlet) when the state manager is different from
// the default one, transient components are saved on the component tree.
// Really the error is on the jsf portlet bridge implementation used, but
// do this does not cause any side effect.
HtmlCommandLink link = (HtmlCommandLink) scroller.findComponent(scroller.getId() + facetName);
if (link == null)
{
// See Jira Issue TOMAHAWK-117 http://issues.apache.org/jira/browse/TOMAHAWK-117
// and http://issues.apache.org/jira/browse/MYFACES-1809
link = new org.apache.myfaces.component.html.ext.HtmlCommandLink();
//Copy all client behaviors
for (Map.Entry> entry : scroller.getClientBehaviors().entrySet())
{
List list = entry.getValue();
if (list != null && !list.isEmpty())
{
for (ClientBehavior cb : list)
{
link.addClientBehavior(entry.getKey(), cb);
}
}
}
link.setId(scroller.getId() + facetName);
link.setTransient(true);
UIParameter parameter = (UIParameter) application
.createComponent(UIParameter.COMPONENT_TYPE);
parameter.setId(scroller.getId() + facetName + "_param");
parameter.setTransient(true);
// TOMAHAWK-96 Data table Scroller not working the dataTable which was actually
// contained in other DataTable.
// Since the parent link is always the scroller, we can just use a value expression
// that calculates its id, so when the datascroller is rendered per row, the clientId
// is calculated based on the row position.
//parameter.setName(scroller.getClientId(facesContext));
parameter.setValueExpression("name", facesContext.getApplication().
getExpressionFactory().createValueExpression(facesContext.getELContext(),
"#{component.parent.clientId}", String.class));
parameter.setValue(facetName);
List children = link.getChildren();
children.add(parameter);
scroller.getChildren().add(link);
}
return link;
}
}