29. class Row: Abstract class for logical
rows
cbchistlib.py
# - - - - - c l a s s R o w
class Row(object):
'''Base class for logical rows of the detail table.
Exports:
Row(cbcHist):
[ cbcHist is a CbcHist instance ->
return a new Row instance derived from cbcHist ]
.cbcHist: [ as passed to constructor ]
.nPhysRows(maxPhysCols):
[ maxPhysCols is a positive int ->
return the number of physical rows required to render
self using no more than (maxPhysCols) physical columns ]
.nPhysCols(maxPhysCols):
[ maxPhysCols is a positive int ->
return the number of physical columns required to render
self using no more than (maxPhysCols) physical columns ]
.html(sox, maxPhysCols):
[ (sox is a sox.Sox instance) and
(maxPhysCols is a positive int) ->
sox +:= a sequence of tr elements representing
self folded to fit in maxPhysCols columns, not counting
the row label, and tagged with class (cssClass)
if given ]
.fo(sox, maxPhysCols):
[ (sox is a sox.Sox instance) and
(maxPhysCols is a positive int) ->
sox +:= a sequence of XSL-FO table-row elements
representing self folded to fit in maxPhysCols
columns, not counting the row label ]
.suffixes(): # Virtual method
[ return the suffix cells of self as a sequence of
Row.N_SUFFIX_COLS instances of Cell ]
Row.N_SUFFIX_COLS:
[ number of suffix columns to be generated by subclasses ]
State/Invariants:
._rowLabel: [ the row label as a RowLabel instance ]
._cellList:
[ the cells in this logical row as a list of (cbcHist.nCols)
instances ]
'''
N_SUFFIX_COLS = 2 # mean and standard deviation
def suffixes(self):
raise NotImplementedError("Row.suffixes() is a virtual "
"method.")
