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Fixed #15 - no more ArrayOutOfBounds exception when deleting last stream

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This commit is contained in:
Brita Keller 2019-06-25 22:15:13 +02:00
parent 4d4a6579c6
commit 15c24f0925
1 changed files with 15 additions and 3 deletions
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18
com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/WaveformViewer.java
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@ -826,14 +826,26 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
List<TrackEntry> streams = waveformPane.getStreamList();
ISelection sel = waveformPane.getSelection();
TrackEntry newSelection=null;
if(sel instanceof IStructuredSelection && ((IStructuredSelection) sel).size()==2) {
Iterator<?> it = ((IStructuredSelection)sel).iterator();
it.next();
int idx = streams.indexOf(it.next());
if(idx==streams.size()-1)
newSelection=streams.get(idx-1);
else
if(idx==streams.size()-1) {
//last stream gets deleted, no more selection
if(idx==0) {
newSelection=null;
}
//more than 1 stream left, last gets deleted, selection jumps to new last stream
else {
newSelection=streams.get(idx-1);
}
}
//more than 1 stream left, any stream but the last gets deleted, selection jumps to the next stream
else {
newSelection=streams.get(idx+1);
}
}
waveformPane.setSelection(new StructuredSelection());
streams.remove(trackEntry);