Please send these questions to the user list, not the dev list. Thank you.
Dennis Byrne >-----Original Message----- >From: Senior Consultants Inc. [mailto:[EMAIL PROTECTED] >Sent: Wednesday, February 1, 2006 08:22 PM >To: [email protected], [email protected] >Subject: Any way to disable/sidestep converters/validators while processing a >ActionListener event? > >Hello: > >We would like to be able to handle the ActionListener event without >converters >and validators (associated with fields on the form) generating error >messages. >When the form is submitted, we do want the field converters and validators >to >generate appropriate error messages. Is there a way to disable/sidestep >converters and validators while processing an ActionListener event? Further >details are provided below. > >The situation: >-------------- >1. Have a date input field >2. Have a link next to the input field that is used to set a default value >in the date field. > An ActionListener is associated with the link. >3. When the link is clicked, the form is posted and the ActionListener >method is invoked. This > method sets and default value in the date field and returns. >4. Since it is an ActionListener event, JSP redisplays the same page. > > >Problem: >-------- >1. If an illegal date format has been entered into the date field before >clicking the link, > the converter on the date field detects an error. JSF redisplays the >page with the > error message. >2. Even if the date field is empty or has a legal value, other fields on the >form can have > bad values such that their converter or validator will detect an error. >Again, JSP > redisplays the page with the error message. > > >UI Goal: Have the link set the default value and ignore any illegal fields >on the form. >------- At this point in time, the user in interested in defaulting the >date field, not > validating fields. The fields will be validated when the form is >submitted. > > >Current Solution: >----------------- >1. The link has: immediate="true" set. >2. ActionListener associated with link runs early in the JSF lifecycle. This >method > accesses the component and sets the date value by calling ><component>.setSubmittedValue() >3 ActionListener method then terminates JSF lifecyle >4. JSF redisplays page. Since the date component's submitted value has been >modified, the > default value now appears in the date field. > > >Why We are Looking for a Better Solution: >----------------------------------------- >We have other situations where the ActionListener method needs access to >several fields >on the form. These fields are currently not available to the ActionListener >since it is >invoked early in the JSF lifecycle. >If the converters/validators could be disabled, the ActionListener method >could run >at the normal place in the JSF lifecycle. It is understood that JSF could >not do the data >binding for any fields where the converter fails. But all other fields >would be properly >bound and accessible to the AtionListener method. > > >Thanks for your time. > >Jay >
