Hi Volker,
thanks for your support. I didn't know that the view is newly created. Do you know a source where this is documented (apart from the source code)? Regards, Matthias > -----Ursprüngliche Nachricht----- > Von: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Auftrag > von Volker Weber > Gesendet: Sonntag, 1. Januar 2006 22:52 > An: MyFaces Discussion > Betreff: Re: AW: AW: EditableValueHolder rendering behavior / Restore > View > > > Hi Matthias, > > i think the problem is the return value of your action method. > > I'm not really sure, so please correct me if the following is incorrect. > > If a action method returns a value != null the navigation cames in, then > a new view is created, also if the new viewId is the same as the old > one. If the action method returns null the old view is rerendered. > > The reason for persistent value in one of your components is the > component binding. > > Try returning null in deleteAuswMoeglichkeiten(). > > Regards > Volker > > Matthias Kahlau wrote: > > Hi! > > > > Happy new year :) > > > > > > Here are the code snippets: > > > > -------------- > > The JSF page: > > -------------- > > ... > > > > <h:form> > > > > ... > > > > <%-- the inputTextarea which is rendered empty again after the > JSF page is > > redisplayed --%> > > <h:panelGroup> > > <h:outputLabel for="fragetext" > > value="Frage*: " > > styleClass="formLabelTop" > > lang="de" > > title="Textfeld zur Eingabe der Frage" /> > > <t:inputTextarea id="fragetext" > > value="#{EinfAuswFrageBacking.einfAuswFrage.fragetext}" > > required="true" > > cols="100" > > rows="3" > > title="Textfeld zur Eingabe der Frage"> > > <f:validateLength maximum="256" /> > > </t:inputTextarea> > > <f:verbatim><br/></f:verbatim> > > <h:message for="fragetext" > > styleClass="error" > > lang="de" > > title="Fehlermeldung für das Frage Textfeld" /> > > </h:panelGroup> > > > > <%-- the selectBooleanCheckbox which is rendered empty again > after the JSF > > page is redisplayed --%> > > <h:panelGroup> > > <h:outputLabel for="mussFrage" value="Antwort erforderlich: " > > styleClass="formLabel" > > lang="de" > > title="Auswahlfeld zur Angabe, ob die Antwort > erforderlich ist" /> > > <t:selectBooleanCheckbox id="mussFrage" > > value="#{EinfAuswFrageBacking.einfAuswFrage.mussFrage}" > > required="false" > > lang="de" > > title="Auswählen, falls Antwort erforderlich" /> > > <h:outputText escape="false" value=" Ja, Frage muss > beantwortet > > werden" > > styleClass="formText" > > lang="de" > > title="Auswählen, falls Antwort erforderlich" /> > > </h:panelGroup> > > > > <%-- the selectOneRadio which is rendered empty again after the > JSF page is > > redisplayed --%> > > <h:panelGrid columns="1"> > > <t:column> > > <h:outputLabel for="auswMoeglichkeitRadios" > > value="Auswahlmöglichkeiten anzeigen:" > > styleClass="formLabel" > > lang="de" > > title="Anzeigeeigenschaften der Auswahlmöglichkeiten" /> > > <f:verbatim><br/></f:verbatim> > > <t:selectOneRadio id="auswMoeglichkeitRadios" > > value="#{EinfAuswFrageBacking.auswMoeglichkeitOpt}" > > required="true" > > layout="spread" > > styleClass="formText" > > lang="de" > > title="Radiobuttons zur Auswahl der Anzeigeeigenschaften der > > Auswahlmöglichkeiten"> > > <f:selectItems > > value="#{EinfAuswFrageBacking.auswMoeglichkeitOptions}" /> > > </t:selectOneRadio> > > </t:column> > > > > <%-- the inputText which is NOT rendered empty again after the > JSF page is > > redisplayed (the value entered is rendered) --%> > > <t:column> > > <t:radio for="auswMoeglichkeitRadios" index="0" /> > > <t:inputText id="anzahlSpalten" > > binding="#{EinfAuswFrageBacking.inputTextAnzahlSpalten}" > > value="#{EinfAuswFrageBacking.einfAuswFrage.spalten}" > > required="false" > > readonly="false" > > disabled="false" > > maxlength="2" > > size="2" > > title="Textfeld zur Eingabe der Spaltenanzahl" > > immediate="false"> > > <f:validateLongRange minimum="1" maximum="12" /> > > </t:inputText> > > <h:outputText escape="false" > > value=" (1 bis 12)" > > styleClass="formText" > > lang="de" > > title="Zahlenbereich ist 1 bis 12" /> > > <f:verbatim><br/></f:verbatim> > > <h:message for="anzahlSpalten" > > styleClass="error" > > lang="de" > > title="Fehlermeldung für das Spaltenanzahl Textfeld" /> > > </t:column> > > > > <t:column> > > <t:radio for="auswMoeglichkeitRadios" index="1" /> > > </t:column> > > </h:panelGrid> > > > > > > <%-- the dataTable from which rows are deleted with the button > below --%> > > <t:dataTable id="dataTableAuswahlmoeglichkeiten" > > binding="#{EinfAuswFrageBacking.dataTable}" > > value="#{EinfAuswFrageBacking.auswMoeglichkeitenModel}" > > var="row" > > renderedIfEmpty="true" > > preserveDataModel="false"> > > > > <t:column width="30"> > > <t:selectBooleanCheckbox > binding="#{EinfAuswFrageBacking.checkbox}" > > required="false" > > lang="de" > > title="Auswahlmoeglichkeit auswählen zum Löschen" > > immediate="false" /> > > </t:column> > > > > ... > > > > </t:dataTable> > > > > > > <%-- the action button to delete rows with --%> > > <h:commandButton value="Auswahl Entfernen" > > action="#{EinfAuswFrageBacking.deleteAuswMoeglichkeiten}" > > immediate="true" /> > > > > ... > > > > </h:form> > > > > ... > > > > ----------------------------------------------------------------- > > The action method of the EinfAuswFrageBacking.java Backing-Bean: > > ----------------------------------------------------------------- > > > > public String deleteAuswMoeglichkeiten() { > > List toDelete = this.getSelectedAuswMoeglichkeiten(); > > Iterator it = toDelete.iterator(); > > > > while (it.hasNext()) { > > this.auswMoeglichkeitenList.remove(it.next()); > > } > > > > > > int size = this.auswMoeglichkeitenList.size(); > > for (int i = 0; i < size; i++) { > > Auswahlmoeglichkeit am = > > (Auswahlmoeglichkeit)this.auswMoeglichkeitenList > > .get(i); > > > > am.setAuswahlindex(new Integer(i + 1)); > > } > > > > > > this.checkbox.setSelected(false); > > > > return Constants.ACTION_SUCCESS; > > } > > > > > > ---------------- > > faces-config.xml: > > ---------------- > > > > <navigation-rule> > > <from-view-id>/Management/Fragen/EinfAuswFrage.jsp</from-view-id> > > <navigation-case> > > > <from-action>#{EinfAuswFrageBacking.deleteAuswMoeglichkeiten}</from-action > > > > <from-outcome>success</from-outcome> > > > <to-view-id>/Management/Fragen/EinfAuswFrage.jsp</to-view-id> > > </navigation-case> > > </navigation-rule> > > > > > > > > By the way: the inputTextarea is not the only component which > is rendered > > empty when the page is redisplayed after submitting it > non-empty - it also > > happens to the selectBooleanCheckbox, and to the > selectOneRadio, but not to > > the inputText, which renders the value entered before > submitting the page > > (In my last email, I spuriously wrote that the inputText is > rendered empty, > > but it actually was an inputTextarea!). > > > > > > Regards, > > > > Matthias > > > > > >>-----Ursprüngliche Nachricht----- > >>Von: [EMAIL PROTECTED] > >>[mailto:[EMAIL PROTECTED] Auftrag > >>von Volker Weber > >>Gesendet: Samstag, 31. Dezember 2005 13:22 > >>An: MyFaces Discussion > >>Betreff: Re: AW: EditableValueHolder rendering behavior / Restore View > >> > >> > >>Hi, > >> > >>Matthias, can you post the relevant jsf code, and the > >>action/actionListener code? > >> > >>This may help us to see what's wrong. > >> > >>Regards > >> Volker > >> > >>Matthias Kahlau wrote: > >> > >>>Hi Simon, > >>> > >>> > >>> > >>>>Perhaps your button is inside a different form from the one containing > >>>>your input text? HTML only supports submitting one form, so all > >>>>components in other forms will see their input as missing, ie > will have > >>>>their submitted value reset.. > >>> > >>> > >>>Actually not - all components are contained in the same form.... > >>> > >>>Looks buggy.... > >>> > >>> > >>>Regards, > >>> > >>>Matthias > >>> > >>> > >>> > >>> > >>>>-----Ursprüngliche Nachricht----- > >>>>Von: [EMAIL PROTECTED] > >>>>[mailto:[EMAIL PROTECTED] > m Auftrag > >>>>von Simon Kitching > >>>>Gesendet: Samstag, 31. Dezember 2005 05:33 > >>>>An: MyFaces Discussion > >>>>Betreff: Re: EditableValueHolder rendering behavior / Restore View > >>>> > >>>> > >>>>Matthias Kahlau wrote: > >>>> > >>>> > >>>>>Hi all! > >>>>> > >>>>> > >>>>>I have an non-immediate inputText in my form, and an immediate > >>>> > >>>>commandButton > >>>> > >>>> > >>>>>to delete some selected rows in a table. When the user enters > >>>> > >>>>some text in > >>>> > >>>> > >>>>>the inputText and deletes some rows after that, the same JSF page is > >>>>>redisplayed, but the inputText is empty again. Why isn't the > >>>> > >>>>submitted value > >>>> > >>>> > >>>>>of the inputText rendered? > >>>> > >>>>It will be in the usual case. > >>>> > >>>>Perhaps your button is inside a different form from the one containing > >>>>your input text? HTML only supports submitting one form, so all > >>>>components in other forms will see their input as missing, ie > will have > >>>>their submitted value reset.. > >>>> > >>>>Regards, > >>>> > >>>>Simon > >>> > >>> > >>-- > >>Don't answer to From: address! > >>Mail to this account are droped if not recieved via mailinglist. > >>To contact me direct create the mail address by > >>concatenating my forename to my senders domain. > > > > > > -- > Don't answer to From: address! > Mail to this account are droped if not recieved via mailinglist. > To contact me direct create the mail address by > concatenating my forename to my senders domain.
