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How to cancel event

asked 2008-06-12 08:32:34 +0800

admin gravatar image admin
18691 1 10 129
ZK Team


Orignial message at:
https://sourceforge.net/forum/message.php?msg_id=5025714

By: troum

There is a button inside listcell. Both elements have onClick event listener.
Problem is that I can't stop propagation button onClick event to cells's event listener. Event.stopPropagation() method doesn't help because event listeners work in different threads.

<window id="test" title="test" border="normal" height="100%">
<listbox width="400px">
<listhead>
<listheader label="1" />
<listheader label="2" />
</listhead>
<listitem>
<listcell span="2" use="org.zkoss.test.TestCell">
<button label="Click" use="org.zkoss.test.TestButton"/>
</listcell>
</listitem>
</listbox>
</window>

public class TestButton extends Button {

public TestButton() {
super();

addEventListener(Events.ON_CLICK, new EventListener() {
public void onEvent(Event event) throws Exception {
Messagebox.show("Buttons's event");
//event.stopPropagation();
}
});
}
}

public class TestCell extends Listcell {

public TestCell() {
super();

addEventListener(Events.ON_CLICK, new EventListener() {
public void onEvent(Event event) throws Exception {
Messagebox.show("Cell's event");
}
});
}
}

Can anybody prompt solution?
Thanks
Sergey

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answered 2008-06-12 09:44:56 +0800

admin gravatar image admin
18691 1 10 129
ZK Team


Orignial message at:
https://sourceforge.net/forum/message.php?msg_id=5025879

By: robbiecheng

Hi Sergey,

Please refer to http://www.zkoss.org/doc/devguide/ch05s02s06.html

/robbie


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answered 2008-06-12 09:51:37 +0800

admin gravatar image admin
18691 1 10 129
ZK Team


Orignial message at:
https://sourceforge.net/forum/message.php?msg_id=5025902

By: troum

hi Robbie, that's just the point that stopPropagation() method doesn't help.
Event still fired for cell element. But processing in another thread

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answered 2008-06-12 10:43:36 +0800

admin gravatar image admin
18691 1 10 129
ZK Team


Orignial message at:
https://sourceforge.net/forum/message.php?msg_id=5026021

By: robbiecheng

Hi Sergey,

I am sorry to tell you that this is a bug, please follow this tracker,
https://sourceforge.net/tracker/index.php?func=detail&aid=1991806&group_id=15276
2&atid=785191

/robbie

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answered 2008-06-12 10:46:24 +0800

admin gravatar image admin
18691 1 10 129
ZK Team


Orignial message at:
https://sourceforge.net/forum/message.php?msg_id=5026030

By: troum

thanks for help

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answered 2008-06-12 12:24:52 +0800

admin gravatar image admin
18691 1 10 129
ZK Team


Orignial message at:
https://sourceforge.net/forum/message.php?msg_id=5026196

By: troum

I've found very uncomfortable solution:

button event listener sends new onUser event to cell (by Events.sendEvent).
This event will be fired before onClick event on cell side. Therefore there is a ability to stop process onClick event.


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answered 2008-06-13 00:42:38 +0800

admin gravatar image admin
18691 1 10 129
ZK Team


Orignial message at:
https://sourceforge.net/forum/message.php?msg_id=5027790

By: robbiecheng

Hi Sergey,

Here is a good news for you, the bug has been fixed.
Please download the latest freshly of ZK 3.0.6

Or you could refer to,
https://sourceforge.net/tracker/?func=detail&atid=785191&aid=1991859&group_id=15
2762

/robbie

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answered 2012-03-08 12:27:26 +0800

ZazzaZ gravatar image ZazzaZ
9

Hi,
this is Aldo from Italy and my firm uses Zk for a large variety of products.
I have the problem that is listed in this thread, I have a Checkbox and a Radio in a ListItem.
If I click on the Radio or on the Checkbox and I stop the event propagation (in the handler event.stopPropagation();)
the event is still fired to the parent container, the listitem.
I'm using zk 5 and this bug should be fixed since 3.0.6, isn't it?

The only way I can get it work is registering a client side method to handle the client:onClick on the zul file and
make that method fail (since event.stopPropagation() doesnt't work).

It is a very dirty solution but it is the one I've found. But it is a non-solution.

Any ideas?!?!

Thanks in advance!

Aldo

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answered 2012-04-26 07:57:51 +0800

hawk gravatar image hawk
2310 1 5
http://hawkphoenix.blogsp... ZK Team

hi,
I think you misunderstand behavior of event.stopPropagation(). It stops the event to be handled by following event handle that register on the same component. It does not stop parent component's event propagation.

so, in your case, stop event for checkbox doesn't stop event for listitem, either.

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answered 2012-04-30 16:20:35 +0800

ZazzaZ gravatar image ZazzaZ
9

So, how it is possible to stop event bubbling?

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Asked: 2008-06-12 08:32:34 +0800

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Last updated: Apr 30 '12

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