Thomas,
Instead of creating a new instance of RowKeySetImpl(), try getting
existing one
from the table (getSelectedRowKeys()). The exception indicates that the
CollectionModel instance on
the RowKeySet is null. I expected that the table would set
CollectionModel automatically, but apparently
it does not.
Max
[EMAIL PROTECTED] wrote:
Hi Max, thanks for your response.
I tried this with a binding to method getSelectedRowKeys(), but it ends up with
a NullPointerException. The stackdrace does not contain any of my Classes so it
looks like an internal error. Here is the method I used:
public RowKeySet getSelectedRowKeys(){
RowKeySet selectedRows = new RowKeySetImpl();
List<BillingAddress> addresses = getBillingAdresses();
for(int i=0;i<addresses.size();i++){
if((addresses.get(i)).isSelected())
selectedRows.add(String.valueOf(i));
}
return selectedRows;
}
Here is the stacktrace:
15.04.2008 17:47:14 com.sun.facelets.FaceletViewHandler handleRenderException
SCHWERWIEGEND: Error Rendering View[/page/meineDaten.xhtml]
java.lang.NullPointerException
at org.apache.myfaces.trinidad.model.RowKeySet.isContained(RowKeySet.java:104)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.table.TableSelectOneRenderer$Radio.getSubmittedValue(TableSelectOneRenderer.java:246)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.SimpleSelectBooleanRenderer.encodeAllAsElement(SimpleSelectBooleanRenderer.java:139)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.FormElementRenderer.encodeAll(FormElementRenderer.java:109)
at
org.apache.myfaces.trinidad.render.CoreRenderer.delegateRenderer(CoreRenderer.java:330)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.table.TableSelectOneRenderer.renderCellContent(TableSelectOneRenderer.java:177)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.table.TableSelectOneRenderer.encodeAll(TableSelectOneRenderer.java:151)
at
org.apache.myfaces.trinidad.render.CoreRenderer.delegateRenderer(CoreRenderer.java:330)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.table.SelectionColumnRenderer.renderKids(SelectionColumnRenderer.java:48)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.ColumnRenderer._renderKids(ColumnRenderer.java:168)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.ColumnRenderer._renderTD(ColumnRenderer.java:330)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.ColumnRenderer._renderDataMode(ColumnRenderer.java:241)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.ColumnRenderer.encodeAll(ColumnRenderer.java:96)
at
org.apache.myfaces.trinidad.render.CoreRenderer.delegateRenderer(CoreRenderer.java:330)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.TableRenderer._renderSelectionColumn(TableRenderer.java:639)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.TableRenderer.renderSpecialColumns(TableRenderer.java:604)
at
org.apache.myfaces.trinidadinternal.renderkit.core.desktop.DesktopTableRenderer.renderSingleRow(DesktopTableRenderer.java:108)
at
org.apache.myfaces.trinidadinternal.renderkit.core.desktop.DesktopTableRenderer$1.processRowImpl(DesktopTableRenderer.java:861)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.table.TableUtils$RowLoop.processRow(TableUtils.java:117)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.table.TableUtils$RowLoop.loop(TableUtils.java:103)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.table.TableUtils$RowLoop.run(TableUtils.java:75)
at
org.apache.myfaces.trinidadinternal.renderkit.core.desktop.DesktopTableRenderer._renderTableRows(DesktopTableRenderer.java:912)
at
org.apache.myfaces.trinidadinternal.renderkit.core.desktop.DesktopTableRenderer.renderTableRows(DesktopTableRenderer.java:638)
at
org.apache.myfaces.trinidadinternal.renderkit.core.desktop.DesktopTableRenderer.renderTableContent(DesktopTableRenderer.java:364)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.TableRenderer.encodeAll(TableRenderer.java:375)
at
org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:220)
at
org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:710)
at
org.apache.myfaces.trinidad.component.UIXCollection.encodeEnd(UIXCollection.java:525)
at
org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:299)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelHorizontalLayoutRenderer.encodeChild(PanelHorizontalLayoutRenderer.java:172)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelHorizontalLayoutRenderer._encodeChildren(PanelHorizontalLayoutRenderer.java:155)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelHorizontalLayoutRenderer.encodeAll(PanelHorizontalLayoutRenderer.java:85)
at
org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:220)
at
org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:710)
at
org.apache.myfaces.trinidad.render.RenderUtils.encodeRecursive(RenderUtils.java:69)
at
org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:294)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelGroupLayoutRenderer.encodeChild(PanelGroupLayoutRenderer.java:188)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelGroupLayoutRenderer._encodeChildren(PanelGroupLayoutRenderer.java:154)
at
org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelGroupLayoutRenderer.encodeAll(PanelGroupLayoutRenderer.java:106)
at
org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:220)
at
org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:710)
at
org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChild(RendererUtils.java:419)
at
org.apache.myfaces.shared_impl.renderkit.RendererUtils.renderChildren(RendererUtils.java:400)
at
org.apache.myfaces.shared_impl.renderkit.html.HtmlGroupRendererBase.encodeEnd(HtmlGroupRendererBase.java:78)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:539)
at
org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:419)
at
org.apache.myfaces.custom.tabbedpane.HtmlTabbedPaneRenderer.writeTabsContents(HtmlTabbedPaneRenderer.java:550)
at
org.apache.myfaces.custom.tabbedpane.HtmlTabbedPaneRenderer.encodeEnd(HtmlTabbedPaneRenderer.java:232)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:539)
at
com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:242)
at
com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
at
com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239)
at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:580)
at
org.apache.myfaces.trinidadinternal.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:183)
at
org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:140)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)´
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invokeDoFilter(TrinidadFilterImpl.java:253)
at
org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:210)
at
org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:164)
at
org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)´
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:100)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
at
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
de.itservices.onlineservices.java.gui.filter.SessionExpiredFilter.doFilter(SessionExpiredFilter.java:50)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)
I also tried to set selectedRows.setContained(true) but this results in an
NullPointerException also...
Thanks for your advice so far,
Tom
________________________________
Von: Max Starets [mailto:[EMAIL PROTECTED]
Gesendet: Dienstag, 15. April 2008 17:09
An: MyFaces Discussion
Betreff: Re: [Trinidad] how to add default selection for Table
Thomas,
Like you said, you can EL-bind selectedRowKeys. After you instantiate
RowKeySetImpl, you can call add() that takes a row key.
Since you are using java.util.List as your table's value, the CollectionModel
wrapper will use a stringified version of the index as a key.
So String.valueOf(index) will be a key for the given index.
Regards,
Max Starets
[EMAIL PROTECTED] wrote:
Hi all,
Im facing a problem with a tr:table that uses rowSelection="single". Depending on the displayed data, one Row should be selected as default. The selectedRowKeys-attribute takes an EL-expression that points to a RowKeySet. Since there aint no way to simply add a row-index to the keyset, Im unsure how to tell the table wich row to select as default.
My table is defined like this:
<tr:table value="#{myBean.billingAdresses}" var="address" rowSelection="single" binding="#{myBean.addressTable}" >
The billingAddresses method in the BackingBean returns a list of
BillingAddress-Objects. One of these objects has a boolean attribute "selected"
set to true. The row dsiplaying this object should be preselected.
I tried to find some help on the web but found only one solution that was highly dependent on Seam.
Thanks in advance,
Tom
Thomas Asel
Diplom Informatiker (FH)
Selbständiger Softwareentwickler
im Auftrag der 24/7 IT-Services GmbH
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J2EE und Contentmanagement-Lösungen
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