The id counter in viewRoot.createUniqueId() are resetted (at least in RI) on every request. If on rerendering a new id is requested you get a already, on first rendering created, existent id.
This is the case e.g. on tab switch, change of rendered attribute, ... Regards, Volker 2008/1/16, Bernd Bohmann <[EMAIL PROTECTED]>: > Hello Volker, > > my experience is you should assign uniqueIds to components. > What is the diffence between components created by application from a > tag and inside a component? > > If not you get maybe some errors like this: > > If this component was created dynamically (i.e. not by a JSP tag) you > should assign it an explicit static id or assign it the id you get from > the createUniqueId from the current UIViewRoot component right after > creation! > > If I have time i will checkin the files to reproduce the error. > > Regards > > Bernd > > Volker Weber schrieb: > > Bernd, > > > > i don't know how facelets component creation, rerendering works, but > > to my experience the assigning of viewRoot.createUniqueId() ids to > > componets created by application wil result in dublicateIdException on > > rerendering. > > > > > > Regards, > > Volker > > > > 2008/1/15, [EMAIL PROTECTED] <[EMAIL PROTECTED]>: > >> Author: bommel > >> Date: Tue Jan 15 14:21:33 2008 > >> New Revision: 612250 > >> > >> URL: http://svn.apache.org/viewvc?rev=612250&view=rev > >> Log: > >> (TOBAGO-596) Duplicate component Id exception with tc:date and tx:date > >> with facelets > >> > >> Modified: > >> > >> myfaces/tobago/trunk/core/src/main/java/org/apache/myfaces/tobago/component/UIDatePicker.java > >> > >> myfaces/tobago/trunk/theme/scarborough/src/main/java/org/apache/myfaces/tobago/renderkit/html/scarborough/standard/tag/DatePickerRenderer.java > >> > >> Modified: > >> myfaces/tobago/trunk/core/src/main/java/org/apache/myfaces/tobago/component/UIDatePicker.java > >> URL: > >> http://svn.apache.org/viewvc/myfaces/tobago/trunk/core/src/main/java/org/apache/myfaces/tobago/component/UIDatePicker.java?rev=612250&r1=612249&r2=612250&view=diff > >> ============================================================================== > >> --- > >> myfaces/tobago/trunk/core/src/main/java/org/apache/myfaces/tobago/component/UIDatePicker.java > >> (original) > >> +++ > >> myfaces/tobago/trunk/core/src/main/java/org/apache/myfaces/tobago/component/UIDatePicker.java > >> Tue Jan 15 14:21:33 2008 > >> @@ -135,13 +135,15 @@ > >> UIHiddenInput hidden = > >> (UIHiddenInput) ComponentUtil.createComponent(facesContext, > >> UIHiddenInput.COMPONENT_TYPE, RENDERER_TYPE_HIDDEN); > >> + hidden.setId(facesContext.getViewRoot().createUniqueId()); > >> link.getChildren().add(hidden); > >> > >> // create popup > >> final UIPopup popup = > >> (UIPopup) ComponentUtil.createComponent(facesContext, > >> UIPopup.COMPONENT_TYPE, > >> RENDERER_TYPE_POPUP); > >> - //popup.setId(link.getId() + "popup"); > >> + > >> + popup.setId(facesContext.getViewRoot().createUniqueId()); > >> link.getFacets().put(FACET_PICKER_POPUP, popup); > >> > >> popup.setRendered(false); > >> @@ -234,6 +236,7 @@ > >> UIGraphic image = (UIGraphic) ComponentUtil.createComponent( > >> facesContext, UIGraphic.COMPONENT_TYPE, RENDERER_TYPE_IMAGE); > >> image.setRendered(true); > >> + image.setId(facesContext.getViewRoot().createUniqueId()); > >> image.setValue("image/date.gif"); > >> image.getAttributes().put(ATTR_ALT, ""); //TODO: i18n > >> > >> StyleClasses.ensureStyleClasses(image).addFullQualifiedClass("tobago-input-picker"); > >> // XXX not a standard name > >> > >> Modified: > >> myfaces/tobago/trunk/theme/scarborough/src/main/java/org/apache/myfaces/tobago/renderkit/html/scarborough/standard/tag/DatePickerRenderer.java > >> URL: > >> http://svn.apache.org/viewvc/myfaces/tobago/trunk/theme/scarborough/src/main/java/org/apache/myfaces/tobago/renderkit/html/scarborough/standard/tag/DatePickerRenderer.java?rev=612250&r1=612249&r2=612250&view=diff > >> ============================================================================== > >> --- > >> myfaces/tobago/trunk/theme/scarborough/src/main/java/org/apache/myfaces/tobago/renderkit/html/scarborough/standard/tag/DatePickerRenderer.java > >> (original) > >> +++ > >> myfaces/tobago/trunk/theme/scarborough/src/main/java/org/apache/myfaces/tobago/renderkit/html/scarborough/standard/tag/DatePickerRenderer.java > >> Tue Jan 15 14:21:33 2008 > >> @@ -70,20 +70,18 @@ > >> link.setDisabled(dateInput.isReadonly() || > >> dateInput.isDisabled()); > >> } > >> } > >> - String idPrefix = dateInput.getId() + "_picker"; > >> Map<String, Object> attributes = link.getAttributes(); > >> link.setActionListener(datePickerController); > >> attributes.put(ATTR_LAYOUT_WIDTH, getConfiguredValue(facesContext, > >> component, "pickerWidth")); > >> UIComponent hidden = (UIComponent) link.getChildren().get(0); > >> - hidden.setId(idPrefix + "Dimension"); > >> + UIPopup popup = (UIPopup) link.getFacets().get(FACET_PICKER_POPUP); > >> + > >> attributes.put(ATTR_ACTION_ONCLICK, "Tobago.openPickerPopup(event, '" > >> + link.getClientId(facesContext) + "', '" > >> - + hidden.getClientId(facesContext) + "')"); > >> - > >> - UIPopup popup = (UIPopup) link.getFacets().get(FACET_PICKER_POPUP); > >> + + hidden.getClientId(facesContext) + "', '" > >> + + popup.getClientId(facesContext) +"')"); > >> > >> attributes = popup.getAttributes(); > >> - popup.setId(idPrefix + "popup"); > >> > >> attributes.put(ATTR_WIDTH, String.valueOf( > >> ThemeConfig.getValue(facesContext, link, > >> "CalendarPopupWidth"))); > >> @@ -113,8 +111,6 @@ > >> > >> applyConverterPattern(popup, converterPattern); > >> > >> - UIComponent image = (UIComponent) link.getChildren().get(1); > >> - image.setId(idPrefix + "image"); > >> if (popup != null) { > >> UIPage page = ComponentUtil.findPage(facesContext, link); > >> page.getPopups().add(popup); > >> > >> > >> > > > > > -- inexso - information exchange solutions GmbH Bismarckstraße 13 | 26122 Oldenburg Tel.: +49 441 4082 356 | FAX: +49 441 4082 355 | www.inexso.de