Ah, I didn't realize you are not inside your Qooxdoo application. The
addListener() example I supplied with the third parameter for the context
is a Qooxdoo method, sorry I missed that.
Couldn't you use Qooxdoos close() or terminate() functions in the
Application.js file to achieve what you want?
Cheers,
Fritz
On Thu, 22 Nov 2012, Marc Puts wrote:
> Your issue exists because the following addEventListener call:
>
> execElem.addEventListener("change", handleExecFile, false);
>
> does not set "this" for the handleExecFile function.
>
> To get around that, you can use the qx.lang.Function.bind method (as
> Fritz suggested). Change the addEventListener line to:
>
> execElem.addEventListener("change",
> qx.lang.Function.bind(handleExecFile, objectThatHasTheCleanField), false);
>
>
> In essence, this is the same as doing:
> execElem.addEventListener("change", function() {
> handleExecFile.apply(objectThatHasTheCleanField, arguments);
> }, false);
>
> But the first method looks much cleaner. If you are unfamiliar with this
> technique then it might be helpful to read about the call and apply
> methods of javascript:
> http://vikasrao.wordpress.com/2011/06/09/javascripts-call-and-apply-methods/
>
>
> Hoping this helps.
>
> Regards,
> Marc
>
>
>
> On 11/22/2012 07:26 AM, Fritz Zaucker wrote:
>> You can use the qx....bind() function to "attach" the correct context to
>> your event handler. Something like
>>
>> addListener("event", qx...bind(handler,this));
>>
>> However, in your code you don't even pass the context to the handler
>> directly. Probably it would be sufficient to use
>>
>> addListener("event", handler, this);
>>
>> The rhird parameter (this in my example) will be used when you access this
>> inside the handler.
>>
>> Cheers,
>> Fritz
>>
>> Fritz Zaucker
>> Oetiker+Partner AG
>> Aarweg 15
>> CH-4600 Olten
>> +41 62 775 9903
>>
>> Am 22.11.2012 um 01:22 schrieb 689137 <[email protected]>:
>>
>>> Marc,
>>>
>>> I found why _clean value is changed as I want it to be.
>>> I am doing the following:
>>> 1. I have a input type "execElem" in my index.html file of the qooxdoo
>>> application:
>>> <input type="file" id="execElem" style="display:none">
>>> 2. I get this element to the qooxdoo application as follows:
>>> var execElem = document.getElementById("execElem");
>>> 3. I have a button, which I assign the click event to of this execElem when
>>> it is pressed:
>>> editor.getexecButton().addListener("execute", function(e) {
>>> if (execElem) {
>>> execElem.click();
>>> }
>>> });
>>> This button is on the panel which is in class Editor, another class declared
>>> in my application.
>>> 4. I assign to the change event of the execElem the following function in
>>> the following way:
>>> execElem.addEventListener("change", handleExecFile, false);
>>>
>>> function handleExecFile() {
>>> //here I want to change value of this._clean
>>> this._clean = true;
>>> }
>>> In this way the value of this._clean is not true when I close the
>>> application.
>>> I feel that THIS is not the parent object I need, and in some way _clean is
>>> not changed in the root or something like that. But please let me know what
>>> I need to pass or what needs to be done in order to successfully get the
>>> TRUE value of this._clean when I close the application.
>>>
>>> Thank you!
>>>
>>>
>>>
>>> --
>>> View this message in context:
>>> http://qooxdoo.678.n2.nabble.com/Qooxdoo-Close-Event-tp7582052p7582070.html
>>> Sent from the qooxdoo mailing list archive at Nabble.com.
>>>
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>> ------------------------------------------------------------------------------
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>
>
> ------------------------------------------------------------------------------
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> web console. Get in-depth insight into apps, servers, databases, vmware,
> SAP, cloud infrastructure, etc. Download 30-day Free Trial.
> Pricing starts from $795 for 25 servers or applications!
> http://p.sf.net/sfu/zoho_dev2dev_nov
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>
>
--
Oetiker+Partner AG tel: +41 62 775 9903 (direct)
Fritz Zaucker +41 62 775 9900 (switch board)
Aarweg 15 +41 79 675 0630 (mobile)
CH-4600 Olten fax: +41 62 775 9905
Schweiz web: www.oetiker.ch
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web console. Get in-depth insight into apps, servers, databases, vmware,
SAP, cloud infrastructure, etc. Download 30-day Free Trial.
Pricing starts from $795 for 25 servers or applications!
http://p.sf.net/sfu/zoho_dev2dev_nov
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