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| Re: [Databinding] Observer for multi-selection from a list [message #495933 is a reply to message #495593] |
Fri, 06 November 2009 17:26  |
 Ovidio Mallo
Messages: 35
Registered: July 2009 |
Member |
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Hi Ralf,
the API for observing a multi selection (the actual models, not the
indexes) is one of the following (depending on whether you want to
use the new properties API or not):
ViewersObservables#observeMultiSelection(Viewer)
ViewerProperties#multipleSelection()
You might also want to have a look at the following bug report which
includes a snippet which illustrates the observing of a multi selection:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=215782
Regards,
Ovidio
R. Heydenreich wrote:
> Hi all,
> I'm looking for an example which shows me the implementation of an
> Observer for multiple selection of a List. Typically, the examples are
> observing only the selectedIndex, like this:
>
> List list = listViewer2.getList();
> IObservableList source = (IObservableList) listViewer2.getInput();
> IObservableValue listIndexValue =
> SWTObservables.observeSingleSelectionIndex(list);
> IObservableValue listValue = new ListObservableValue(listIndexValue,
> source);
>
> In my model now there I receive the single selected index.
>
> What I want is, if I select multiple values from the list, I want to get
> notified about these values (or their indexes) in my model (i.e. a kind
> of an ArrayList or so). With observeSingleSelectionIndex I can't get
> this (as the name implies).
>
> Any hints are welcome.
>
> Regards,
> Ralf.
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