Hello. Your HTML looks a bit strange - you're opening a 'head' tag but not
closing it before the body opens. Also you have input items that are
appearing outside of the form scope. Sort out your HTML template and try
again - I'd be interested to know how you go.
Ulrich Stärk wrote:
>
> I'd like to bring up an issue I already posted to the user mailing list
> but got no response for:
>
> Today I noticed a strange behaviour of T4's EventListeners. I wanted an
> Any component which renders as a button to submit a form and call my
> listener method after form submission. The docs say that's what the
> EventListener's submitForm parameter is for. So I went about and wrote
> an EventListener, targeted it at my Any component, made it listen to the
> onclick event and set submitForm to my form (page class and HTML
> template below). When I tested my work nothing at all happened. I then
> checked the generated HTML and found that Tapestry did not generate any
> event connection code. When I removed the submitForm parameter it
> suddenly did and my listener method got called the way it's supposed to.
>
> I dived into T4's sources and found out the following:
>
> In ComponentEventConnectionWorker Tapestry stores a list of event
> connections to form components which are not rendered yet and renders
> those when the corresponding form component gets rendered. It stores
> those connections in a Map and uses the form's _id_ as a key (in
> filterFormEvents on line 412). It then checks all components whether
> they got deferred connections to be set up by querying the map using the
> component's _extended id_ and therefore never finds any deferred
> connections for any component. I changed isDeferredForm,
> linkDeferredForm and mapFormNames to use the form's id and suddenly
> Tapestry generates the connection setup javascript code and my form's
> submit listener gets called.
>
> But my listener methods which I annotated with the EventListener
> annotation still don't get called.
>
> Am I doing something wrong or is this a bug in Tapestry for which I
> should file an issue?
>
> Uli
>
> page class:
>
> public abstract class TestPage extends BasePage
> {
> public abstract boolean getChecked();
>
> @EventListener(targets="submitFormAsync", events="onclick",
> submitForm="myForm", async=true)
> public void submitFormAsync() {
> System.out.println("EventListener called from submitFormAsync");
> }
>
> @EventListener(targets="submitForm", events="onclick",
> submitForm="myForm")
> public void submitForm() {
> System.out.println("EventListener called from submitForm");
> }
>
> @EventListener(targets="callListenerAsync", events="onclick",
> async=true)
> public void callListenerAsync() {
> System.out.println("EventListener called from
> callListenerAsync");
> }
>
> public void formListener()
> {
> System.out.println("Form's listener got called");
> System.out.println("checked: " + getChecked());
> }
> }
>
> page template:
>
> <html jwcid="@Shell" title="Test Page"
> xmlns='http://www.w3.org/1999/xhtml'
> doctype='html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\"
> \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\";'
> debugEnabled="true"
> browserLogLevel="DEBUG"
> consoleEnabled="true">
> <head>
> <title>Test Page</title>
> <body jwcid="@Body">
> <form jwcid="[EMAIL PROTECTED]" listener="listener:formListener">
> <input jwcid="@Checkbox" value="ognl:checked" /><br />
>
> </form>
> <p><input jwcid="[EMAIL PROTECTED]" type="button" value="literal:submit
> form via EventListener" /></p>
> <p><input jwcid="[EMAIL PROTECTED]" type="button"
> value="literal:submit form async via EventListener" /></p>
> <p><input jwcid="[EMAIL PROTECTED]" type="button"
> value="literal:call an EventListener async without submitting the Form"
> /></p>
> </body>
> </html>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>
>
>
--
View this message in context:
http://www.nabble.com/T4-EventListeners-and-formSubmit-tp15700830p16750982.html
Sent from the Tapestry - Dev mailing list archive at Nabble.com.
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
