bool ICommandHandler <ToggleAllOutliningCommandArgs> .ExecuteCommand(ToggleAllOutliningCommandArgs args, CommandExecutionContext executionContext)
{
var outliningManager = outliningManagerService.GetOutliningManager(args.TextView);
if (outliningManager == null || !outliningManager.Enabled)
{
return(false);
}
var snapshot = args.TextView.TextBuffer.CurrentSnapshot;
var snapshotSpan = new SnapshotSpan(snapshot, 0, snapshot.Length);
if (outliningManager.GetCollapsedRegions(snapshotSpan).Any())
{
outliningManager.ExpandAll(snapshotSpan, collapsed => true);
}
else
{
outliningManager.CollapseAll(snapshotSpan, collapsed => true);
}
args.TextView.Caret.EnsureVisible();
return(true);
}
CommandState ICommandHandler <ToggleAllOutliningCommandArgs> .GetCommandState(ToggleAllOutliningCommandArgs args)
{
return(outliningManagerService.GetOutliningManager(args.TextView) is IOutliningManager mgr && mgr.Enabled
? CommandState.Available
: CommandState.Unavailable);
}
