Hello Marc,
thats looking like a good and transparent solution in deed. Didn't see anything
that is obviously not working or not the "qooxdoo way". ;)
Best,
Martin
Am 03.05.2011 um 17:17 schrieb Marc Puts:
> Answering my own question.
> I managed to fix it in a transparent way. It turned out to be rather
> simple after all.
>
> Just in case anyone searches for this issue in the future, here's what I
> did:
>
>
> qx.Class.define("MyElement",
> extend : qx.html.Element,
>
> members : {
>
> addListener : function(type, listener, self, capture) {
> if (this.$$disposed) {
> return null;
> }
>
> if (qx.bom.Event.supportsEvent(this.getDomElement(), type)) {
> //attach listener to native event
> return this.base(arguments, type, listener, self, capture);
> }
> else {
> //attach listener to qooxdoo event
> return qx.event.Registration.addListener(this, type, listener,
> self, capture);
> }
> },
>
> removeListener: function(type, listener, self, capture) {
> if (this.$$disposed) {
> return null;
> }
>
> if (qx.bom.Event.supportsEvent(this.getDomElement(), type)) {
> //remove listener from native event
> return this.base(arguments, type, listener, self, capture);
> }
> else {
> //remove listener from qooxdoo event
> return qx.event.Registration.removeListener(this, type,
> listener, self, capture);
> }
> },
>
> removeListenerById: function(id) {
> if (this.$$disposed) {
> return null;
> }
>
> //get event type from listener id
> var type = id.split("|")[0];
>
> if (qx.bom.Event.supportsEvent(this.getDomElement(), type)) {
> //remove listener from native event
> return this.base(arguments, id);
> }
> else {
> //remove listener from qooxdoo event
> return qx.event.Registration.removeListenerById(this, id);
> }
> }
> }
> });
>
>
> Regards,
> Marc
>
>
>
> On 05/02/2011 04:52 PM, Marc Puts wrote:
>> Hello everyone,
>> I hope you all had some nice Easter holidays. :)
>>
>> I'm hoping someone could help me on the post quoted below (submitted
>> last Friday), since I'm still trying to find the right solution. :)
>>
>> Regards,
>> Marc
>>
>>
>> On 04/29/2011 03:37 PM, Marc Puts wrote:
>>> In the SVG contrib, I have many classes that extend qx.html.Element. Most of
>>> these also define new events (sometimes explicitly, sometimes as property
>>> events). The problem is, that a qx.html.Element will not fire any events
>>> except for the native events from the DOM element.
>>>
>>> The cause of this is that qx.html.Element overrides the addListener method
>>> of qx.core.Object, so that all events are mapped directly to the DOM
>>> element. Unfortunately, this suppresses the framework's event system.
>>>
>>> Playground example: http://tinyurl.com/66hcyp7
>>> In the example, you need to change "extend: qx.html.Element" to "extend:
>>> qx.core.Object" to make it work.
>>>
>>>
>>> I'm looking for a feasible workaround for this limitation; so I can mix
>>> qooxdoo events and native events within qx.html.Element subclasses.
>>>
>>> One way would be to add a addEventListener method to my classes, which mimic
>>> the addListener method of qx.core.Object. However, this could cause
>>> confusion for the user, who probably won't know when to use addListener and
>>> when to use addEventListener.
>>>
>>> I'm hoping someone could suggest a better approach to this. :)
>>
>
>
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