You need to make sure that your node is an element.
also .wrap() is not found in widget itself but rather in its
subclasses (Label for instance)
-jason
On Jun 10, 2009, at 3:51 PM, peterk wrote:
>
> Hey Jason,
>
> Thanks for your reply!
>
> I'm afraid I'm still running into problems here. First, even just
> trying to insert an element. I have this code:
>
> SpanElement test_element = Document.get().createSpanElement();
> test_element.setInnerText("Hello there");
> currentNode.appendChild(test_element);
>
> currentNode is of type Node. This compiles OK, but at run time I get
> an exception on the appendChild call.
>
> How can I add or append an element to a node like this?
>
> Secondly..I can't seem to find any wrap method in the Widget class?
>
> Any further insight would be greatly appreciated..thanks so much!
>
> On Jun 10, 8:41 pm, Jason Essington <jason.essing...@gmail.com> wrote:
>> Probably the safest thing to do would be to insert an element, then
>> use the widget's .wrap() method to "promote" that element to a
>> widget.
>>
>> there are other ways, but they are prone to leaking memory.
>>
>> -jason
>>
>> On Jun 10, 2009, at 1:36 PM, peterk wrote:
>>
>>
>>
>>> Hey all,
>>
>>> I'm walking the DOM tree and would like to append a Widget to
>>> certain
>>> nodes where certain conditions are met, but I'm not having much
>>> success.
>>
>>> appendChild expects a Node as its parameter, so I can't just
>>> append a
>>> type of Widget. It will accept Widget.getElement() as a parameter,
>>> but
>>> this leads to runtime errors.
>>
>>> Is it possible to mix Widgets with the DOM like this or is the only
>>> way to add Widgets to a page via the RootPanel.get() ..? If so is
>>> there a way to add Widgets to the page based on a desired position
>>> in
>>> the DOM?
>>
>>> I'd like to use a custom widget I've made, having everything wrapped
>>> neatly in a class, and not have to revert to lower level stuff..
>>
>>> Thanks for any help :)
> >
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