Nothing
unselectCurrentCluster<-function
### Unselect the current cluster.
##keyword<<internal
(
df, ##<< shared data frame
dbg=FALSE ##<< debug flag/level
) {
if (dbg) cat('unselectCurrentCluster called\n')
if (dbg) printVar(df$currentCluster)
if (!is.null(df$clusters) && length(df$clusters)>=df$currentCluster
&& !is.null(df$clusters[[df$currentCluster]]$indices)) {
# remember the current selection
df<-pushSelectionHistory(df,dbg)
# unselect the current cluster
currentClusterIdxInH<-max(df$clusters[[df$currentCluster]]$indices)
currentClusterLeafs<-computeMemberIndices(df$h,currentClusterIdxInH)
df$leafColorIdxs[currentClusterLeafs]<-0
df$unselectedBranches$indices<-
c(df$unselectedBranches$indices,df$clusters[[df$currentCluster]]$indices)
df$unselectedBranches$branches<-
rbind(df$unselectedBranches$branches,df$clusters[[df$currentCluster]]$branches)
df$clusters[[df$currentCluster]]$indices<-NULL
df$clusters[[df$currentCluster]]$branches<-NULL
selectionChanged<-TRUE
} else {
# the current cluster was selected, nothing to do
selectionChanged<-FALSE
}
return(list(df=df,selectionChanged=selectionChanged))
### a list of shared data frame 'df' and a boolean flag
### 'selectionChanged' determing if clsuter selection has changed
### (so the caller can learn whether to redraw clusters).
}
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