Thank you. This makes sense.
On 29/01/2015 07:52 πμ, John Spackman wrote:
>
> It’s for scope, so that the list is accessible outside of the function
> that created it; any local variables in the constructor (or any other
> method) for tweets.MainWindow are not accessible outside of that
> function, so you have to store them as a member value (e.g.
> this.__list). In the example, the getList() method is the accessor
> method which makes the value available to the users of the MainWindow class
>
> I’m guessing you’ve previously used the design pattern where class
> methods are declared in the constructor, e.g.:
>
> function MyClass() {
> var someLocalVar = “123";
> this.myMethod = function() {
> console.log(someLocalVar);
> }
> }
>
>
> You can browse the full source at
> https://github.com/qooxdoo/qooxdoo/blob/release_4_1/component/tutorials/tweets/step3/source/class/tweets/MainWindow.js
>
> John
>
>> On 28 Jan 2015, at 18:56, voger <vogernewslett...@yahoo.gr
>> <mailto:vogernewslett...@yahoo.gr>> wrote:
>>
>> I am going through the twitter tutorial located here
>> http://manual.qooxdoo.org/current/pages/desktop/tutorials/tutorial-part-1.html
>>
>> and there the author changes the list declaration from var list = new
>> qx.ui.form.List() to this.__list = new qx.ui.form.List().
>>
>> What is the reason for this change. Why should it change from simple
>> variable to property? The accessor method
>>
>> getlist: function(){
>> return this.__list;
>> }
>>
>> wouldn't work the same if __list was a simple variable?
>>
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>
>
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leadership blogs to news, videos, case studies, tutorials and more. Take a
look and join the conversation now. http://goparallel.sourceforge.net/
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