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-rwxr-xr-xGradeBook_lib.tcl25
1 files changed, 25 insertions, 0 deletions
diff --git a/GradeBook_lib.tcl b/GradeBook_lib.tcl
index 6715a1f..f2b87cf 100755
--- a/GradeBook_lib.tcl
+++ b/GradeBook_lib.tcl
@@ -2288,6 +2288,29 @@ proc GetGroupValuesInColumn { group_name columnname } {
return $col_values
}
+proc UpdateAndCreateAsNeededInfoRow { columnname inforow val } {
+ CheckAndCreateAsNeededInfoRow $inforow
+ UpdateColValue4UserNameNonWeb $columnname $inforow $val
+}
+
+proc UpdateColumnGradesHistogram { columnname } {
+ # find maximum in the column with a given name among active students
+ set hist "N/A"
+ set limits "N/A"
+ set col_values [GetGroupValuesInColumn student $columnname]
+ set col_values [LeaveOnlyNumbersInList $col_values]
+ if { 0 != [llength $col_values] } {
+ set maxVal [::math::statistics::max $col_values ]; # fixme should it be _Max_Points_?
+ set minVal 0
+ set barsNum 5;
+ set limits [::math::statistics::minmax-histogram-limits $minVal $maxVal [incr barsNum]]
+ set limits [lrange $limits 1 end-1]; # shave first and last interval limits
+ set hist [::math::statistics::histogram $limits $col_values ]
+ }
+ UpdateAndCreateAsNeededInfoRow $columnname _The_Grades_Histogram_ $hist
+ UpdateAndCreateAsNeededInfoRow $columnname _The_Grades_Hist_Limits_ $limits
+}
+
proc UpdateColumnHighestGrade { columnname } {
# find maximum in the column with a given name among active students
set val "N/A"
@@ -2411,11 +2434,13 @@ proc UpdateColumnStatistic { columnname {update_parent_flag true} } {
return
}
begin_db_transaction
+ # FIXME all updates pull the same data. Cache it and reuse
UpdateColumnHighestGrade $columnname
UpdateColumnLowestGrade $columnname
UpdateColumnMeanGrade $columnname
UpdateColumnMedianGrade $columnname
UpdateColumnStDevGrade $columnname
+ UpdateColumnGradesHistogram $columnname
end_db_transaction
# check recursion exit conditions