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TreeViewer getChildren() method [message #465727]

Wed, 04 April 2007 05:28

Swetha

Messages: 68
Registered: July 2009

Member

Hi,

I have a tree viewer, I am getting Children of a tree node dynamically
by executing the query in getChildren() method in ContentProvider...
getChildren() method is executed owhen I click on '+' symbol of a tree
node...so automatically , query is executed and children get added to the
parent node.,..

I want the same thing to happen not only on click of '+' symbol but
also on mouse double click of a node...

How can make sure the getChildren() is executed and children get added
automatically.. without writing the code of adding children to tree node..

Thanks in advance,
Swetha

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Re: TreeViewer getChildren() method [message #465755 is a reply to message #465727]

Wed, 04 April 2007 16:16

Ali Alauoubiy

Messages: 20
Registered: July 2009

Junior Member

Try this:

treeViewer.addOpenListener(new IOpenListener() {
public void open(OpenEvent event) {

ISelection selection = treeViewer.getSelection();
Object obj = (Object) ((IStructuredSelection) selection).getFirstElement(); treeViewer.expandToLevel(obj, 1);

}
});

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