A symbol for that disabling that functionality and keeping backwards compatibility would be nice.
On Sun, Apr 3, 2016 at 12:56 AM, Bob Harner <bobhar...@gmail.com> wrote: > Everybody, > > That mode="cancel" parameter of the Submit component really irritates > me. It only skips client-side validation, not server-side validation. > Would anybody object if I changed that? > > Howard actually started making this change as TAP5-1604 many years ago > but reversed himself because skipping server-side validation would be > a backward incompatibility. But I wonder if that's really true except > in rare cases. > > I think when most users try the mode="cancel" parameter they are > surprised to find that it doesn't bypass server-side validation, and > their eventual response is to add junk code like this: > > boolean wasCanceled; > void onCanceled() { > wasCanceled = true; > } > void onValidateFromForm() { > if (wasCanceled) { > return; > } > [perform server-side validation] > } > > My proposed 3-line change to Form.java would not break code like the > above, and would make such checks unneccessary. And all current > Tapestry tests pass cleanly (which admittedly just means that this > scenario is not well covered by tests). > > References: > > http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/corelib/components/Submit.html > > http://tapestry.apache.org/5.3/apidocs/org/apache/tapestry5/corelib/SubmitMode.html > https://issues.apache.org/jira/browse/TAP5-1604 > https://issues.apache.org/jira/browse/TAP5-1856 > https://issues.apache.org/jira/browse/TAP5-1503 > https://issues.apache.org/jira/browse/TAP5-1451 > https://issues.apache.org/jira/browse/TAP5-86 > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@tapestry.apache.org > For additional commands, e-mail: dev-h...@tapestry.apache.org > >