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CheckBoxTableViewer [message #538293]

Mon, 07 June 2010 05:30

Eclipse User

Hi there,

I am trying to implement a CheckBoxTreeViewer and facing this problem.
On expand of a CheckBoxTreeViewer node, getChildren() method of provided ITreeContentProvider is called only for the first time.After that if you again collapse and expand that node, this method is not getting called again.
I am making some changes to a node so that its chaildren are different now but on expand it is still showing the same children which are no more valid.
What should I do so that viewer again make the use of provided ITreeContentProvider to get the children nodes of that tree node ?

Any ideas?

Re: CheckBoxTableViewer [message #538331 is a reply to message #538293]

Mon, 07 June 2010 07:52

Eclipse User

On 07/06/10 3:00 PM, Amit wrote:
> Hi there,
>
> I am trying to implement a CheckBoxTreeViewer and facing this problem.
> On expand of a CheckBoxTreeViewer node, getChildren() method of provided
> ITreeContentProvider is called only for the first time.After that if you
> again collapse and expand that node, this method is not getting called
> again.
> I am making some changes to a node so that its chaildren are different
> now but on expand it is still showing the same children which are no
> more valid.
> What should I do so that viewer again make the use of provided
> ITreeContentProvider to get the children nodes of that tree node ?
>
> Any ideas?
>

Try calling refresh() with that node

- Prakash
Platform UI Team, IBM

www.eclipse-tips.com

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