Problem using EventListener annotation
Hi,
I'm currently using Tapestry 4.1.3 and I'm trying to copy the EventListener
annotation example from:
http://tapestry.apache.org/tapestry4.1/ajax/eventlistener.html.
The example shows how a method can be annotated with EventListener to
respond to DOM events. Unfortunately the EventListener method is never
being called when I try to run it. Everything compiles ok, and I've been
able to use other Tapestry functionality (such as submit button listeners)
on this page. Below is my code, can anyone help me out?
Home.html
...
body
div id=myFavoriteDivBig brother is watching you./div
/body
...
Home.page
?xml version=1.0?
!DOCTYPE page-specification PUBLIC
-//Apache Software Foundation//Tapestry Specification 4.0//EN
http://jakarta.apache.org/tapestry/dtd/Tapestry_4_0.dtd;
page-specification class=pages.HomePage
/page-specification
HomePage.java
package pages;
import org.apache.tapestry.annotations.EventListener;
import org.apache.tapestry.event.BrowserEvent;
import org.apache.tapestry.html.BasePage;
import org.apache.tapestry.record.PropertyChangeObserver;
public class HomePage extends BasePage {
@Override
public String getClientId() {
// TODO Auto-generated method stub
return null;
}
@Override
public void setClientId(String arg0) {
// TODO Auto-generated method stub
}
public PropertyChangeObserver getPropertyChangeObserver() {
// TODO Auto-generated method stub
return null;
}
@EventListener(elements = myFavoriteDiv, events = onmouseover)
public void watchText(BrowserEvent e) {
System.out.println(mouseover detected);
System.out.println(e);
}
}
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Re: Problem using EventListener annotation
Thank for the help. Adding @Shell and @Body components resolved the problem.
Marcus Schulte wrote:
1. Make sure, your template includes a @Shell and a @Body component as
shown
here: http://tapestry.apache.org/tapestry4.1/ajax/basics.html
2. please also try to keep your page-class abstract and remove the
auto-generated stubs of methods. Tapestry generates a concrete class for
each component/page at runtime (should not be the cause of your trouble,
though).
2008/1/24, HBKTron [EMAIL PROTECTED]:
Hi,
I'm currently using Tapestry 4.1.3 and I'm trying to copy the
EventListener
annotation example from:
http://tapestry.apache.org/tapestry4.1/ajax/eventlistener.html.
The example shows how a method can be annotated with EventListener to
respond to DOM events. Unfortunately the EventListener method is never
being called when I try to run it. Everything compiles ok, and I've been
able to use other Tapestry functionality (such as submit button
listeners)
on this page. Below is my code, can anyone help me out?
Home.html
...
body
div id=myFavoriteDivBig brother is watching you./div
/body
...
Home.page
?xml version=1.0?
!DOCTYPE page-specification PUBLIC
-//Apache Software Foundation//Tapestry Specification 4.0//EN
http://jakarta.apache.org/tapestry/dtd/Tapestry_4_0.dtd;
page-specification class=pages.HomePage
/page-specification
HomePage.java
package pages;
import org.apache.tapestry.annotations.EventListener;
import org.apache.tapestry.event.BrowserEvent;
import org.apache.tapestry.html.BasePage;
import org.apache.tapestry.record.PropertyChangeObserver;
public class HomePage extends BasePage {
@Override
public String getClientId() {
// TODO Auto-generated method stub
return null;
}
@Override
public void setClientId(String arg0) {
// TODO Auto-generated method stub
}
public PropertyChangeObserver getPropertyChangeObserver() {
// TODO Auto-generated method stub
return null;
}
@EventListener(elements = myFavoriteDiv, events =
onmouseover)
public void watchText(BrowserEvent e) {
System.out.println(mouseover detected);
System.out.println(e);
}
}
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--
Marcus Schulte
http://marcus-schulte.blogspot.com
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Drawing error with Tapestry Dojo Dialog Component
Hi,
I'm having a drawing error while trying to learn how to use the Tapestry
Dialog component from Dojo.
http://tapestry.apache.org/tapestry4.1/components/dojo/dialog.html
Basically I have an initially hidden dialog box that I'd like to show after
a DirectLink component is clicked. The dialog box appearing works fine, but
any content I put inside the box is drawn outside of it by browsers (tested
with Firefox 2.0.0.11 and Safari 3.0.4). If I refresh the page manually,
then the dialog box content appears inside correctly. I have read the above
link carefully, but still can't see what I'm doing wrong. Ideally I'd like
to have something simple like the Show Dialog DirectLink in the
TimeTracker application.
http://opencomponentry.com:8080/timetracker/app
Below is my code, any help would be greatly appreciated thanks :)
NOTE: Although I wouldn't make the boolean that decides whether or not the
dialog is hidden a HomePage class attribute in practice, I did in this
example to simplify the code. Thanks again!
Home.html
html jwcid=@Shell title=Basic AJAX Page
headmeta http-equiv=Content-Type content=text/html; charset=UTF-8
style type=text/css .dialog { background-color: white; width: 400px;
height: 300px; } /style
/head
body jwcid=@Body
Show Dialog
div jwcid=[EMAIL PROTECTED] hidden=ognl:dialogHidden
style=display:none;
p class=dialogSample dialog content/p
/div
/body
/html
HomePage.java
package pages;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.html.BasePage;
public abstract class HomePage extends BasePage {
private boolean dialogHidden = true;
public boolean getDialogHidden() {
return dialogHidden;
}
public void setDialogHidden(boolean flag) {
dialogHidden = flag;
}
public void onShowDialog(IRequestCycle cycle) {
setDialogHidden(false);
}
public void onHideDialog(IRequestCycle cycle) {
setDialogHidden(true);
}
}
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