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Persisting Selection of CheckBoxTreeViewer between sessions [message #724862]

Tue, 13 September 2011 11:25

Vasav Shah

Messages: 1
Registered: September 2011

Junior Member

I want to persist the check state of my CheckBoxTreeViewer elements. I have override the following method.

public void saveState(IMemento memento) {
super.saveState(memento);
ISelection sel = viewer.getSelection();
IStructuredSelection ss = (IStructuredSelection) sel;
StringBuffer buf = new StringBuffer();
for (Iterator it = ss.iterator(); it.hasNext() Wink

{
buf.append(it.next());
buf.append(',');
}
memento.putString(STORE_SELECTION, buf.toString());
}

The problem is the line marked in the bold is returning me EMPTY_SELECTION, even though I have some elements checked in my CheckBoxTreeViewer.

I have also override the init method as follows.

public void init(IViewSite site, IMemento memento)
throws PartInitException {
super.init(site, memento);
this.memento = memento;
}

Can anybody help me in resolving this issue? I am using Eclipse 3.2. Please let me know if I am doing anything wrong.

Let me know in case any more information is required.

Thanks!
Vasav

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