[Niceswing-developer] selection handling

[Peter De B. <pe...@go...>]

=EF=BB=BFWe need the following features for selection handling:=0Ano ind=
exes, but elements=0Aintelligent (only fire events when needed)=0Aselect=
ion must be preserved when filtering/sorting=0A=0Ado we need to have a=
 separate Selection class as in JFace? This class is in essention a "sub=
set" of Collection: it only has the following methods: isEmpty, size,=
 toArray, iterator, and one extra convenience method: firstElement=0A=0A=
Also the equals method could be implemented, so that selections containi=
ng the same elements, but in a different order, are equal=0A____________=
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