The fact that I create it only if it doesn't yet exist with "if
(this.reportingPeriodsSelectItemsControl == null){}" doesn't count?
-----Original Message-----
From: Mike Kienenberger [mailto:[EMAIL PROTECTED]
Sent: Friday, April 20, 2007 1:17 PM
To: MyFaces Discussion
Subject: Re: Dynamic Value binding - please help!
I think this is because you need to create the component in the
getter, not the setter. If you create it in the setter, you'll get
a new instance of the components created each time you request the page again.
On 4/20/07, Leyzerzon, Simeon <[EMAIL PROTECTED]> wrote:
> Ok, another issue:
>
> <Apr 20, 2007 12:56:18 PM EDT> <Error> <HTTP> <BEA-101017> <[EMAIL PROTECTED]
> - appName: 'GISWeb', name: 'GISWeb.war', context-path: '/GISWeb'] Root cause
> of ServletException.
> java.lang.IllegalStateException: Client-id : repPeriods is duplicated in the
> faces tree. Component : searchFrm:repPeriods, path: {Component-Path : [Class:
> org.ajax4jsf.framework.ajax.AjaxViewRoot,ViewId:
> /jsp/maintenance/search.jsp][Class:
> javax.faces.component.html.HtmlPanelGrid,Id: _idJsp0][Class:
> javax.faces.component.html.HtmlForm,Id: searchFrm][Class:
> org.apache.myfaces.custom.fieldset.Fieldset,Id: _idJsp1][Class:
> javax.faces.component.html.HtmlPanelGrid,Id: root][Class:
> javax.faces.component.html.HtmlSelectOneMenu,Id: _idJsp6][Class:
> org.apache.myfaces.custom.selectitems.UISelectItems,Id: repPeriods]}
> at
> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:329)
> at
> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:341)
> at
> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:341)
> at
> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:341)
> at
> org.apache.myfaces.application.jsp.JspStateManagerImpl.checkForDuplicateIds(JspStateManagerImpl.java:338)
> Truncated. see log file for complete stacktrace
> >
>
>
>
> This happens when the form is resubmitted as a reaction on a change event in
> the period selectOneMenu:
>
> <h:outputText value="Period" />
> <h:selectOneMenu value="#{searchHandler.period}"
> onchange="document.forms['searchFrm'].submit();"
> valueChangeListener="#{searchHandler.periodChanged}" >
> <f:selectItems value="#{searchHandler.periods}"/>
> </h:selectOneMenu>
>
>
> <h:outputText value="Reporting Period" />
> <h:selectOneMenu
> value="#{searchHandler.reportingPeriod.rawDate}"
>
> binding="#{searchHandler.reportingPeriodSelectOneMenuControl}">
> </h:selectOneMenu>
>
> The behavior I'm looking for is on the value change event in Period, the
> combo with reportingPeriods should be redisplayed with different set of
> values.
>
> This is the code in the periodChanged():
> ======================================================================
> ==================================================================
> public void periodChanged(ValueChangeEvent event) {
>
>
> this.setContext(SwitchContextFactory.getContext(userProfile,
> this.getPeriod()));
> logger.debug("\t on which the period is: " +
> this.getContext().getPeriod());
>
> this.getSearchService().setContext(this.getContext());
> this.getSearchService().getReportingPeriods();
>
>
>
>
> if (this.reportingPeriodsSelectItemsControl == null){
>
> this.reportingPeriodsSelectItemsControl = (UISelectItems) FacesContext
> .getCurrentInstance().getApplication().createComponent(
> UISelectItems.COMPONENT_TYPE);
> this.reportingPeriodsSelectItemsControl.setId("repPeriods");
> }
>
>
>
> reportingPeriodsSelectItemsControl.setValue(reportingPeriods);
> reportingPeriodsSelectItemsControl.setVar("rptPeriod");
> if (DAILY.equals(this.getPeriod())) {
> reportingPeriodsSelectItemsControl.setValueBinding("itemLabel",
> FacesContext.getCurrentInstance().getApplication()
> .createValueBinding(
> "#{rptPeriod.reportingDateDaily}"));
> }else if (MONTHLY.equals(this.getPeriod())) {
> reportingPeriodsSelectItemsControl.setValueBinding("itemLabel",
> FacesContext.getCurrentInstance().getApplication()
> .createValueBinding(
> "#{rptPeriod.reportingDateMonthly}"));
> }
>
> reportingPeriodsSelectItemsControl.setValueBinding("itemValue",
>
> FacesContext.getCurrentInstance().getApplication().createValueBinding(
> "#{rptPeriod.rawDate}"));
>
>
>
>
> this.reportingPeriodSelectOneMenuControl.getChildren().add(reportingPe
> riodsSelectItemsControl);
>
>
>
> }
> ======================================================================
> ==================================================================
>
>
> Here is the code in the setter fro <h:selectOneMenu> for reportingPeriod:
> ======================================================================
> ==================================================================
> public void setReportingPeriodSelectOneMenuControl(
> HtmlSelectOneMenu _reportingPeriodSelectOneMenuControl) {
>
>
> if (reportingPeriods == null){
> logger.debug("reportingPeriods == null: " +
> (reportingPeriods==null) + " building reportingPeriods
> list...");
> reportingPeriods = this.getSearchService().getReportingPeriods();
> }
>
>
> //building <t:selectItems>
> if (this.reportingPeriodsSelectItemsControl == null){
> logger.debug("creating new <t:selectItems>");
> this.reportingPeriodsSelectItemsControl = (UISelectItems) FacesContext
> .getCurrentInstance().getApplication().createComponent(
> UISelectItems.COMPONENT_TYPE);
> this.reportingPeriodsSelectItemsControl.setId("repPeriods");
> }
>
>
> this.reportingPeriodsSelectItemsControl.setValue(reportingPeriods);
> this.reportingPeriodsSelectItemsControl.setVar("rptPeriod");
> if (DAILY.equals(this.getPeriod())) {
> reportingPeriodsSelectItemsControl.setValueBinding("itemLabel",
> FacesContext.getCurrentInstance().getApplication()
> .createValueBinding(
> "#{rptPeriod.reportingDateDaily}"));
> }else if (MONTHLY.equals(this.getPeriod())) {
> reportingPeriodsSelectItemsControl.setValueBinding("itemLabel",
> FacesContext.getCurrentInstance().getApplication()
> .createValueBinding(
> "#{rptPeriod.reportingDateMonthly}"));
> }
>
> reportingPeriodsSelectItemsControl.setValueBinding("itemValue",
>
> FacesContext.getCurrentInstance().getApplication().createValueBinding(
> "#{rptPeriod.rawDate}"));
>
>
>
>
> _reportingPeriodSelectOneMenuControl.getChildren().add(reportingPeriod
> sSelectItemsControl);
>
>
> this.reportingPeriodSelectOneMenuControl =
> _reportingPeriodSelectOneMenuControl;
> logger.debug("setReportingPeriodSelectOneMenuControl()" +
> _reportingPeriodSelectOneMenuControl);
> }
> ======================================================================
> ==================================================================
>
>
>
> Appreciate if you could give me a direction in fixing this.
>
> Thank you in advance.
> Simeon
>
>
> -----Original Message-----
> From: Mike Kienenberger [mailto:[EMAIL PROTECTED]
> Sent: Friday, April 20, 2007 12:38 PM
> To: MyFaces Discussion
> Subject: Re: Dynamic Value binding - please help!
>
> I don't have any more ideas from what you've posted. If it were me,
> I'd step through the process with the debugger and see why at this point.
> Make sure the value bindings are set to what you think they are, and if they
> are, see what's calling rawDate.
>
> On 4/20/07, Leyzerzon, Simeon <[EMAIL PROTECTED]> wrote:
> > Hah! That works, thanks, but now I'm facing a new complication:
> > #{rptPeriod.reportingDateMonthly} and #{rptPeriod.reportingDateMonthly}
> > doesn't seem to be mapping to the right field in the underlying bean. Let
> > me explain...
> >
> > 'rtpPeriod' is a representation of ReportingPeriod bean, instances of which
> > populate the collection behind <t:selectItems> component. These
> > ReportingPeriod beans have 3 properties for display, each formatted
> > differently, and set by Spring-based DAOlike this:
> >
> >
> > public void setReportingDate(Date reportingDate) {
> > //logger.debug("set reporting date to: " + reportingDate);
> >
> > this.reportingDate = reportingDate;
> > this.setReportingDateDaily(new SimpleDateFormat("MMM dd
> > yyyy").format(reportingDate));
> > this.setReportingDateMonthly(new SimpleDateFormat("MMM
> > yyyy").format(reportingDate));
> > this.setRawDate(new
> > SimpleDateFormat("MM/dd/yyyy").format(reportingDate));
> > }
> >
> > What I see on the page though, is a combo box with the content populated in
> > the following manner:
> >
> > 03/01/2007
> > 02/01/2007
> > 01/01/2007, etc.
> >
> > That is instead of using #{rptPeriod.reportingDateMonthly} or
> > #{rptPeriod.reportingDateDaily}, #{rtpPeriod.rawDate} seems to be used.
> >
> > Here is my current code:
> >
> > ====================================================================
> > == ===============================================================
> > public void setReportingPeriodSelectOneMenuControl(
> > HtmlSelectOneMenu reportingPeriodSelectOneMenuControl) {
> >
> >
> > if (reportingPeriods == null){
> > logger.debug("reportingPeriods == null: " +
> > (reportingPeriods==null) + "building reportingPeriods
> > list...");
> > reportingPeriods = this.getSearchService().getReportingPeriods();
> > }
> >
> >
> > //building <t:selectItems>
> > if (reportingPeriodsSelectItemsControl == null){
> > reportingPeriodsSelectItemsControl = (UISelectItems) FacesContext
> > .getCurrentInstance().getApplication().createComponent(
> > UISelectItems.COMPONENT_TYPE);
> >
> > }
> >
> > reportingPeriodsSelectItemsControl.setValue(reportingPeriods);
> > reportingPeriodsSelectItemsControl.setVar("rptPeriod");
> > if (DAILY.equals(this.getPeriod())) {
> > reportingPeriodsSelectItemsControl.setValueBinding("itemLabel",
> > FacesContext.getCurrentInstance().getApplication()
> > .createValueBinding(
> > "#{rptPeriod.reportingDateDaily}"));
> > }else if (MONTHLY.equals(this.getPeriod())) {
> > reportingPeriodsSelectItemsControl.setValueBinding("itemLabel",
> > FacesContext.getCurrentInstance().getApplication()
> > .createValueBinding(
> > "#{rptPeriod.reportingDateMonthly}"));
> > }
> >
> > reportingPeriodsSelectItemsControl.setValueBinding("itemValue",
> >
> > FacesContext.getCurrentInstance().getApplication().createValueBindin
> > g(
> > "#{rptPeriod.rawDate}"));
> >
> >
> >
> >
> > reportingPeriodSelectOneMenuControl.getChildren().add(reportingPerio
> > ds
> > SelectItemsControl);
> >
> >
> > this.reportingPeriodSelectOneMenuControl =
> > reportingPeriodSelectOneMenuControl;
> > logger.debug("setReportingPeriodSelectOneMenuControl()" +
> > reportingPeriodSelectOneMenuControl);
> > }
> >
> > }
> > ====================================================================
> > == ===============================================================
> >
> > ReportingPeriod bean is also registered as a managed-property of the
> > backing bean on the faces-config.xml if it makes any difference.
> >
> > Thanks again!!!
> > Simeon
> >
> >
> > -----Original Message-----
> > From: Mike Kienenberger [mailto:[EMAIL PROTECTED]
> > Sent: Friday, April 20, 2007 10:26 AM
> > To: MyFaces Discussion
> > Subject: Re: Dynamic Value binding - please help!
> >
> > You need to assign ValueBinding objects, not strings.
> >
> > You'd typically do something like this [example borrowed and modified from
> > another posting]:
> >
> > FacesContext context = FacesContext.getCurrentInstance();
> > Application app = context.getApplication();
> >
> > reportingPeriodsSelectItemsControl.setValueBinding("itemLabel",
> > app.createValueBinding("#{rptPeriod.reportingDateMonthly}"));
> >
> >
> >
> > On 4/20/07, Leyzerzon, Simeon <[EMAIL PROTECTED]> wrote:
> > >
> > >
> > >
> > > Hi,
> > >
> > > I need to create the following construct dynamically in the backing bean:
> > >
> > > ==================================================================
> > > == == ======================== <h:outputText value="Reporting
> > > Period"
> > > />
> > > <h:selectOneMenu
> > > value="#{searchHandler.reportingPeriod.rawDate}"
> > >
> > > binding="#{searchHandler.reportingPeriodSelectOneMenuControl}">
> > >
> > > <t:selectItems value="#{searchHandler.reportingPeriods}"
> > > var="rptPeriod"
> > > itemLabel="#{rptPeriod.reportingDateMonthly}"
> > > itemValue="#{rptPeriod.rawDate}"
> > >
> > > binding="#{searchHandler.reportingPeriodsSelectItemsControl}"
> > > />
> > > </h:selectOneMenu>
> > >
> > > ==================================================================
> > > ==
> > > ==
> > > ========================
> > >
> > > So I'm doing the following in my setter:
> > >
> > > ==================================================================
> > > == == ======================== public void
> > > setReportingPeriodSelectOneMenuControl(
> > > HtmlSelectOneMenu
> > > reportingPeriodSelectOneMenuControl) {
> > >
> > >
> > > if (reportingPeriods == null){
> > > logger.debug("reportingPeriods == null: " +
> > > (reportingPeriods==null) + "building
> > > reportingPeriods list...");
> > > reportingPeriods =
> > > this.getSearchService().getReportingPeriods();
> > > }
> > >
> > >
> > > //building <t:selectItems>
> > > if (reportingPeriodsSelectItemsControl == null){
> > > reportingPeriodsSelectItemsControl =
> > > (UISelectItems) FacesContext
> > >
> > > .getCurrentInstance().getApplication().createComponent(
> > > UISelectItems.COMPONENT_TYPE);
> > >
> > > }
> > >
> > >
> > > reportingPeriodsSelectItemsControl.setValue(reportingPeriods);
> > > reportingPeriodsSelectItemsControl.setVar("rptPeriod");
> > >
> > > String label = null;
> > >
> > >
> > >
> > > if (DAILY.equals(this.getPeriod())) {
> > > label = "#{rptPeriod.reportingDateDaily}";
> > > }else if (MONTHLY.equals(this.getPeriod())) {
> > > label = "#{rptPeriod.reportingDateMonthly}";
> > > }
> > >
> > >
> > > reportingPeriodsSelectItemsControl.setItemLabel(label);
> > >
> > > reportingPeriodsSelectItemsControl.setItemValue("#{rptPeriod.rawDate}"
> > > );
> > >
> > >
> > >
> > > reportingPeriodSelectOneMenuControl.getChildren().add(reportingPer
> > > io
> > > ds
> > > SelectItemsControl);
> > >
> > >
> > >
> > >
> > >
> > > this.reportingPeriodSelectOneMenuControl =
> > > reportingPeriodSelectOneMenuControl;
> > > logger.debug("setReportingPeriodSelectOneMenuControl()"
> > > + reportingPeriodSelectOneMenuControl);
> > > }
> > >
> > > ==================================================================
> > > ==
> > > ==
> > > ==========================
> > >
> > > Unfortunately, what I am getting in the page is the combo
> > > populated with a bunch of strings:
> > > #{rptPeriod.reportingDateMonthly}
> > >
> > > What am I missing here to link this variable 'rtpPeriod' to the
> > > value binding expression. Or should there be a different syntax?
> > >
> > > Thanks for you help.
> > > Simeon
> > >
> > > ==================================================================
> > > == == ======== Please access the attached hyperlink for an
> > > important electronic communications disclaimer:
> > >
> > > http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html
> > > ==================================================================
> > > ==
> > > ==
> > > ========
> > >
> > >
> > >
> > >
> >
> > ====================================================================
> > == ======== Please access the attached hyperlink for an important
> > electronic communications disclaimer:
> >
> > http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html
> > ====================================================================
> > ==
> > ========
> >
> >
>
> ======================================================================
> ======== Please access the attached hyperlink for an important
> electronic communications disclaimer:
>
> http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html
> ======================================================================
> ========
>
>
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