Current File : //lib/python3/dist-packages/reportlab/platypus/multicol.py
__all__ = '''MultiCol'''.split()
from reportlab.lib.utils import strTypes
from .flowables import Flowable, _Container, _FindSplitterMixin, _listWrapOn
class MultiCol(_Container,_FindSplitterMixin,Flowable):
def __init__(self,contents,widths, minHeightNeeded=36, spaceBefore=None, spaceAfter=None):
if len(contents)!=len(widths):
raise ValueError('%r len(contents)=%d not the same as len(widths)=%d' % (self,len(contents),len(widths)))
self.contents = contents
self.widths = widths
self.minHeightNeeded = minHeightNeeded
self._spaceBefore = spaceBefore
self._spaceAfter = spaceAfter
self._naW = None
def nWidths(self,aW):
if aW==self._naW: return self._nW
nW = [].append
widths = self.widths
s = 0.0
for i,w in enumerate(widths):
if isinstance(w,strTypes):
w=w.strip()
pc = w.endswith('%')
if pc: w=w[:-1]
try:
w = float(w)
except:
raise ValueError('%s: nWidths failed with value %r' % (self,widths[i]))
if pc: w = w*0.01*aW
elif not isinstance(w,(float,int)):
raise ValueError('%s: nWidths failed with value %r' % (self,widths[i]))
s += w
nW(w)
self._naW = aW
s = aW / s
self._nW = [w*s for w in nW.__self__]
return self._nW
def wrap(self,aW,aH):
widths = self.nWidths(aW)
w = h = 0.0
canv = self.canv
h = 0
for faW,F in zip(widths,self.contents):
if not F:
fW = faW
fH = 0
else:
fW,fH = _listWrapOn(F,faW,canv)
h = max(h,fH)
w += fW
self.width = w
self.height = h
return w, h
def split(self,aW,aH):
if aH<self.minHeightNeeded:
return []
widths = self.nWidths(aW)
S = [[],[]]
canv = self.canv
for faW,F in zip(widths,self.contents):
if not F:
fW = faW
fH0 = 0
S0 = []
S1 = []
else:
fW,fH0,S0,S1 = self._findSplit(canv,faW,aH,content=F,paraFix=False)
if S0 is F: return [] #we failed to find a split
S[0].append(S0)
S[1].append(S1)
return [
MultiCol(S[0],
self.widths,
minHeightNeeded=self.minHeightNeeded,
spaceBefore=self._spaceBefore,
spaceAfter=self._spaceAfter),
MultiCol(S[1],
self.widths,
minHeightNeeded=self.minHeightNeeded,
spaceBefore=self._spaceBefore,
spaceAfter=self._spaceAfter),
]
def getSpaceAfter(self):
m = self._spaceAfter
if m is None:
m = 0
for F in self.contents:
m = max(m,_Container.getSpaceAfter(self,F))
return m
def getSpaceBefore(self):
m = self._spaceBefore
if m is None:
m = 0
for F in self.contents:
m = max(m,_Container.getSpaceBefore(self,F))
return m
def drawOn(self, canv, x, y, _sW=0):
widths = self._nW
xOffs = 0
for faW,F in zip(widths,self.contents):
_Container.drawOn(self, canv, x+xOffs, y, content=F, aW=faW)
xOffs += faW
Mini Shell