Tables changed to use reportlab.lib.colors instead of
the six hard-coded color strings there previously.
###############################################################################
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#
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# (C) Copyright ReportLab Inc. 1998-2000.
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# $Log: tables.py,v $
# Revision 1.8 2000/04/26 11:07:15 andy_robinson
# Tables changed to use reportlab.lib.colors instead of
# the six hard-coded color strings there previously.
#
# Revision 1.7 2000/04/14 12:17:05 rgbecker
# Splitting layout.py
#
# Revision 1.6 2000/04/14 11:54:57 rgbecker
# Splitting layout.py
#
# Revision 1.5 2000/04/14 08:56:20 rgbecker
# Drawable ==> Flowable
#
# Revision 1.4 2000/02/17 02:09:05 rgbecker
# Docstring & other fixes
#
# Revision 1.3 2000/02/15 17:55:59 rgbecker
# License text fixes
#
# Revision 1.2 2000/02/15 15:47:09 rgbecker
# Added license, __version__ and Logi comment
#
__version__=''' $Id: tables.py,v 1.8 2000/04/26 11:07:15 andy_robinson Exp $ '''
__doc__="""
Tables are created by passing the constructor a tuple of column widths, a tuple of row heights and the data in
row order. Drawing of the table can be controlled by using a TableStyle instance. This allows control of the
color and weight of the lines (if any), and the font, alignment and padding of the text.
"""
from reportlab.platypus import layout
from reportlab.platypus.paragraph import Paragraph
from reportlab.lib.styles import PropertySet, getSampleStyleSheet
from reportlab.lib import colors
import operator
_stringtype = type('')
class CellStyle(PropertySet):
defaults = {
'fontname':'Times-Roman',
'fontsize':10,
'leading':12,
'leftPadding':6,
'rightPadding':6,
'topPadding':3,
'bottomPadding':3,
'firstLineIndent':0,
'color':colors.black,
'alignment': 'LEFT',
'background': (1,1,1),
}
class TableStyle:
def __init__(self, cmds=None):
self._cmds = cmds
if cmds is None:
self._cmds = []
def add(self, *cmd):
self._cmds.append(cmd)
def getCommands(self):
return self._cmds
class Table(layout.Flowable):
def __init__(self, colWidths, rowHeights, data):
if not colWidths:
raise ValueError, "Table must have at least 1 column"
if not rowHeights:
raise ValueError, "Table must have at least 1 row"
nrows = self._nrows = len(rowHeights)
if len(data) != nrows:
raise ValueError, "Data error - %d rows in data but %d in grid" % (len(data), nrows)
ncols = self._ncols = len(colWidths)
for i in range(nrows):
if len(data[i]) != ncols:
raise ValueError, "Not enough data points in row %d!" % i
self._rowHeights = rowHeights
self._colWidths = colWidths
self._cellvalues = data
dflt = CellStyle('<default>')
self._cellstyles = [None]*nrows
for i in range(nrows):
self._cellstyles[i] = [dflt]*ncols
self._bkgrndcmds = []
self._linecmds = []
height = self._height = reduce(operator.add, rowHeights, 0)
self._rowpositions = [height] # index 0 is actually topline; we skip when processing cells
for h in rowHeights:
height = height - h
self._rowpositions.append(height)
assert height == 0
width = 0
self._colpositions = [0] #index -1 is right side boundary; we skip when processing cells
for w in colWidths:
width = width + w
self._colpositions.append(width)
self._width = width
self._curweight = self._curcolor = self._curcellstyle = None
def setStyle(self, tblstyle):
for cmd in tblstyle.getCommands():
if cmd[0] == 'BACKGROUND':
self._bkgrndcmds.append(cmd)
elif _isLineCommand(cmd):
self._linecmds.append(cmd)
else:
(op, (sc, sr), (ec, er)), values = cmd[:3] , cmd[3:]
if sc < 0: sc = sc + self._ncols
if ec < 0: ec = ec + self._ncols
if sr < 0: sr = sr + self._nrows
if er < 0: er = er + self._nrows
for i in range(sr, er+1):
for j in range(sc, ec+1):
_setCellStyle(self._cellstyles, i, j, op, values)
def _drawLines(self):
for op, (sc, sr), (ec, er), weight, color in self._linecmds:
if sc < 0: sc = sc + self._ncols
if ec < 0: ec = ec + self._ncols
if sr < 0: sr = sr + self._nrows
if er < 0: er = er + self._nrows
if op == 'GRID':
self._drawBox( (sc, sr), (ec, er), weight, color)
self._drawInnerGrid( (sc, sr), (ec, er), weight, color)
elif op in ('BOX', 'OUTLINE',):
self._drawBox( (sc, sr), (ec, er), weight, color)
elif op == 'INNERGRID':
self._drawInnerGrid( (sc, sr), (ec, er), weight, color)
elif op == 'LINEBELOW':
self._drawHLines((sc, sr+1), (ec, er+1), weight, color)
elif op == 'LINEABOVE':
self._drawHLines((sc, sr), (ec, er), weight, color)
elif op == 'LINEBEFORE':
self._drawVLines((sc, sr), (ec, er), weight, color)
elif op == 'LINEAFTER':
self._drawVLines((sc+1, sr), (ec+1, er), weight, color)
else:
raise ValueError, "Unknown line style %s" % op
self._curcolor = None
def _drawBox(self, (sc, sr), (ec, er), weight, color):
self._drawHLines((sc, sr), (ec, sr), weight, color)
self._drawHLines((sc, er+1), (ec, er+1), weight, color)
self._drawVLines((sc, sr), (sc, er), weight, color)
self._drawVLines((ec+1, sr), (ec+1, er), weight, color)
def _drawInnerGrid(self, (sc, sr), (ec, er), weight, color):
self._drawHLines((sc, sr+1), (ec, er), weight, color)
self._drawVLines((sc+1, sr), (ec, er), weight, color)
def _prepLine(self, weight, color):
if color != self._curcolor:
self.canv.setStrokeColor(color)
self._curcolor = color
if weight != self._curweight:
self.canv.setLineWidth(weight)
self._curweight = weight
def _drawHLines(self, (sc, sr), (ec, er), weight, color):
self._prepLine(weight, color)
scp = self._colpositions[sc]
ecp = self._colpositions[ec+1]
for rowpos in self._rowpositions[sr:er+1]:
self.canv.line(scp, rowpos, ecp, rowpos)
def _drawVLines(self, (sc, sr), (ec, er), weight, color):
self._prepLine(weight, color)
srp = self._rowpositions[sr]
erp = self._rowpositions[er+1]
for colpos in self._colpositions[sc:ec+1]:
self.canv.line(colpos, srp, colpos, erp)
def wrap(self, availWidth, availHeight):
#nice and easy, since they are predetermined size
self.availWidth = availWidth
return (self._width, self._height)
def draw(self):
nudge = 0.5 * (self.availWidth - self._width)
self.canv.translate(nudge, 0)
self._drawBkgrnd()
self._drawLines()
for row, rowstyle, rowpos, rowheight in map(None, self._cellvalues, self._cellstyles, self._rowpositions[1:], self._rowHeights):
for cellval, cellstyle, colpos, colwidth in map(None, row, rowstyle, self._colpositions[:-1], self._colWidths):
self._drawCell(cellval, cellstyle, (colpos, rowpos), (colwidth, rowheight))
def _drawBkgrnd(self):
for cmd, (sc, sr), (ec, er), color in self._bkgrndcmds:
if sc < 0: sc = sc + self._ncols
if ec < 0: ec = ec + self._ncols
if sr < 0: sr = sr + self._nrows
if er < 0: er = er + self._nrows
if type(color) is _stringtype:
color = COLORS.get(values[0], (1,1,1))
x0 = self._colpositions[sc]
y0 = self._rowpositions[sr]
x1 = self._colpositions[ec+1]
y1 = self._rowpositions[er+1]
self.canv.setFillColor(color)
self.canv.rect(x0, y0, x1-x0, y1-y0,stroke=0,fill=1)
def _drawCell(self, cellval, cellstyle, (colpos, rowpos), (colwidth, rowheight)):
#print "cellstyle is ", repr(cellstyle), id(cellstyle)
if self._curcellstyle is not cellstyle:
cur = self._curcellstyle
if cur is None or cellstyle.color != cur.color:
#print "setting cell color to %s" % `cellstyle.color`
self.canv.setFillColor(cellstyle.color)
if cur is None or cellstyle.leading != cur.leading or cellstyle.fontname != cur.fontname or cellstyle.fontsize != cur.fontsize:
#print "setting font: %s, %s, %s" % (cellstyle.fontname, cellstyle.fontsize, cellstyle.leading)
self.canv.setFont(cellstyle.fontname, cellstyle.fontsize, cellstyle.leading)
self._curcellstyle = cellstyle
just = cellstyle.alignment
#print "alignment is ", just
if just == 'LEFT':
draw = self.canv.drawString
x = colpos + cellstyle.leftPadding
elif just in ('CENTRE', 'CENTER'):
draw = self.canv.drawCentredString
x = colpos + colwidth * 0.5
else:
draw = self.canv.drawRightString
x = colpos + colwidth - cellstyle.rightPadding
y = rowpos + cellstyle.bottomPadding
if type(cellval) is _stringtype:
val = cellval
else:
val = str(cellval)
draw(x, y, val)
# for text,
# drawCentredString(self, x, y, text) where x is center
# drawRightString(self, x, y, text) where x is right
# drawString(self, x, y, text) where x is left
LINECOMMANDS = (
'GRID', 'BOX', 'OUTLINE', 'INNERGRID', 'LINEBELOW', 'LINEABOVE', 'LINEBEFORE', 'LINEAFTER', )
def _isLineCommand(cmd):
return cmd[0] in LINECOMMANDS
def _setCellStyle(cellstyles, i, j, op, values):
new = CellStyle('<%d, %d>' % (i,j), cellstyles[i][j])
cellstyles[i][j] = new
if op == 'FONT':
new.fontname = values[0]
new.fontsize = values[1]
elif op == 'TEXTCOLOR':
if type(values[0]) is _stringtype:
new.color = COLORS.get(values[0], (0,0,0))
else:
new.color = values[0]
elif op in ('ALIGN', 'ALIGNMENT'):
new.alignment = values[0]
elif op == 'LEFTPADDING':
new.leftPadding = values[0]
elif op == 'RIGHTPADDING':
new.rightPadding = values[0]
elif op == 'TOPPADDING':
new.topPadding = values[0]
elif op == 'BOTTOMPADDING':
new.bottomPadding = values[0]
GRID_STYLE = TableStyle(
[('GRID', (0,0), (-1,-1), 0.25, colors.black),
('ALIGN', (1,1), (-1,-1), 'RIGHT')]
)
BOX_STYLE = TableStyle(
[('BOX', (0,0), (-1,-1), 0.50, colors.black),
('ALIGN', (1,1), (-1,-1), 'RIGHT')]
)
LABELED_GRID_STYLE = TableStyle(
[('INNERGRID', (0,0), (-1,-1), 0.25, colors.black),
('BOX', (0,0), (-1,-1), 2, colors.black),
('LINEBELOW', (0,0), (-1,0), 2, colors.black),
('LINEAFTER', (0,0), (0,-1), 2, colors.black),
('ALIGN', (1,1), (-1,-1), 'RIGHT')]
)
COLORED_GRID_STYLE = TableStyle(
[('INNERGRID', (0,0), (-1,-1), 0.25, colors.black),
('BOX', (0,0), (-1,-1), 2, colors.red),
('LINEBELOW', (0,0), (-1,0), 2, colors.black),
('LINEAFTER', (0,0), (0,-1), 2, colors.black),
('ALIGN', (1,1), (-1,-1), 'RIGHT')]
)
LIST_STYLE = TableStyle(
[('LINEABOVE', (0,0), (-1,0), 2, colors.green),
('LINEABOVE', (0,1), (-1,-1), 0.25, colors.black),
('LINEBELOW', (0,-1), (-1,-1), 2, colors.green),
('ALIGN', (1,1), (-1,-1), 'RIGHT')]
)
def test():
rowheights = (24, 16, 16, 16, 16)
colwidths = (50, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32)
data = (
('', 'Jan', 'Feb', 'Mar','Apr','May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'),
('Mugs', 0, 4, 17, 3, 21, 47, 12, 33, 2, -2, 44, 89),
('T-Shirts', 0, 42, 9, -3, 16, 4, 72, 89, 3, 19, 32, 119),
('Key Ring', 0,0,0,0,0,0,1,0,0,0,2,13),
('Hats', 893, 912, '1,212', 643, 789, 159, 888, '1,298', 832, 453, '1,344','2,843')
)
doc = layout.SimpleFlowDocument('testtables.pdf', layout.DEFAULT_PAGE_SIZE, 1)
styleSheet = getSampleStyleSheet()
lst = []
lst.append(Paragraph("Tables", styleSheet['Heading1']))
lst.append(Paragraph(__doc__, styleSheet['BodyText']))
lst.append(Paragraph("The Tables (shown in different styles below) were created using the following code:", styleSheet['BodyText']))
lst.append(layout.Preformatted("""
colwidths = (50, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32)
rowheights = (24, 16, 16, 16, 16)
data = (
('', 'Jan', 'Feb', 'Mar','Apr','May', 'Jun',
'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'),
('Mugs', 0, 4, 17, 3, 21, 47, 12, 33, 2, -2, 44, 89),
('T-Shirts', 0, 42, 9, -3, 16, 4, 72, 89, 3, 19, 32, 119),
('Key Ring', 0,0,0,0,0,0,1,0,0,0,2,13),
('Hats', 893, 912, '1,212', 643, 789, 159,
888, '1,298', 832, 453, '1,344','2,843')
)
t = Table(colwidths, rowheights, data)
""", styleSheet['Code'], dedent=4))
lst.append(Paragraph("""
You can then give the Table a TableStyle object to control its format. The first TableStyle used was
created as follows:
""", styleSheet['BodyText']))
lst.append(layout.Preformatted("""
GRID_STYLE = TableStyle(
[('GRID', (0,0), (-1,-1), 0.25, colors.black),
('ALIGN', (1,1), (-1,-1), 'RIGHT')]
)
""", styleSheet['Code']))
lst.append(Paragraph("""
TableStyles are created by passing in a list of commands. There are two types of commands - line commands
and cell formatting commands. In all cases, the first three elements of a command are the command name,
the starting cell and the ending cell.
""", styleSheet['BodyText']))
lst.append(Paragraph("""
Line commands always follow this with the weight and color of the desired lines. Colors can be names,
or they can be specified as a (R,G,B) tuple, where R, G and B are floats and (0,0,0) is black. The line
command names are: GRID, BOX, OUTLINE, INNERGRID, LINEBELOW, LINEABOVE, LINEBEFORE
and LINEAFTER. BOX and OUTLINE are equivalent, and GRID is the equivalent of applying both BOX and
INNERGRID.
""", styleSheet['BodyText']))
lst.append(Paragraph("""
Cell formatting commands are:
""", styleSheet['BodyText']))
lst.append(Paragraph("""
FONT - takes fontname, fontsize and (optional) leading.
""", styleSheet['Definition']))
lst.append(Paragraph("""
TEXTCOLOR - takes a color name or (R,G,B) tuple.
""", styleSheet['Definition']))
lst.append(Paragraph("""
ALIGNMENT (or ALIGN) - takes one of LEFT, RIGHT and CENTRE (or CENTER).
""", styleSheet['Definition']))
lst.append(Paragraph("""
LEFTPADDING - defaults to 6.
""", styleSheet['Definition']))
lst.append(Paragraph("""
RIGHTPADDING - defaults to 6.
""", styleSheet['Definition']))
lst.append(Paragraph("""
BOTTOMPADDING - defaults to 3.
""", styleSheet['Definition']))
lst.append(Paragraph("""
A tablestyle is applied to a table by calling Table.setStyle(tablestyle).
""", styleSheet['BodyText']))
t = Table(colwidths, rowheights, data)
t.setStyle(GRID_STYLE)
lst.append(layout.PageBreak())
lst.append(Paragraph("This is GRID_STYLE\n", styleSheet['BodyText']))
lst.append(t)
t = Table(colwidths, rowheights, data)
t.setStyle(BOX_STYLE)
lst.append(Paragraph("This is BOX_STYLE\n", styleSheet['BodyText']))
lst.append(t)
lst.append(Paragraph("""
It was created as follows:
""", styleSheet['BodyText']))
lst.append(layout.Preformatted("""
BOX_STYLE = TableStyle(
[('BOX', (0,0), (-1,-1), 0.50, colors.black),
('ALIGN', (1,1), (-1,-1), 'RIGHT')]
)
""", styleSheet['Code']))
t = Table(colwidths, rowheights, data)
t.setStyle(LABELED_GRID_STYLE)
lst.append(Paragraph("This is LABELED_GRID_STYLE\n", styleSheet['BodyText']))
lst.append(t)
lst.append(Paragraph("""
It was created as follows:
""", styleSheet['BodyText']))
lst.append(layout.Preformatted("""
LABELED_GRID_STYLE = TableStyle(
[('INNERGRID', (0,0), (-1,-1), 0.25, colors.black),
('BOX', (0,0), (-1,-1), 2, colors.black),
('LINEBELOW', (0,0), (-1,0), 2, colors.black),
('LINEAFTER', (0,0), (0,-1), 2, colors.black),
('ALIGN', (1,1), (-1,-1), 'RIGHT')]
)
""", styleSheet['Code']))
lst.append(layout.PageBreak())
t = Table(colwidths, rowheights, data)
t.setStyle(COLORED_GRID_STYLE)
lst.append(Paragraph("This is COLORED_GRID_STYLE\n", styleSheet['BodyText']))
lst.append(t)
lst.append(Paragraph("""
It was created as follows:
""", styleSheet['BodyText']))
lst.append(layout.Preformatted("""
COLORED_GRID_STYLE = TableStyle(
[('INNERGRID', (0,0), (-1,-1), 0.25, colors.black),
('BOX', (0,0), (-1,-1), 2, colors.red),
('LINEBELOW', (0,0), (-1,0), 2, colors.black),
('LINEAFTER', (0,0), (0,-1), 2, colors.black),
('ALIGN', (1,1), (-1,-1), 'RIGHT')]
)
""", styleSheet['Code']))
t = Table(colwidths, rowheights, data)
t.setStyle(LIST_STYLE)
lst.append(Paragraph("This is LIST_STYLE\n", styleSheet['BodyText']))
lst.append(t)
lst.append(Paragraph("""
It was created as follows:
""", styleSheet['BodyText']))
lst.append(layout.Preformatted("""
LIST_STYLE = TableStyle(
[('LINEABOVE', (0,0), (-1,0), 2, colors.green),
('LINEABOVE', (0,1), (-1,-1), 0.25, colors.black),
('LINEBELOW', (0,-1), (-1,-1), 2, colors.green),
('ALIGN', (1,1), (-1,-1), 'RIGHT')]
)
""", styleSheet['Code']))
t = Table(colwidths, rowheights, data)
ts = TableStyle(
[('LINEABOVE', (0,0), (-1,0), 2, colors.green),
('LINEABOVE', (0,1), (-1,-1), 0.25, colors.black),
('LINEBELOW', (0,-1), (-1,-1), 2, colors.green),
('ALIGN', (1,1), (-1,-1), 'RIGHT'),
('TEXTCOLOR', (0,1), (0,-1), colors.red),
('BACKGROUND', (0,0), (-1,0), colors.Color(0,0.7,0.7))]
)
t.setStyle(ts)
lst.append(Paragraph("This is a custom style\n", styleSheet['BodyText']))
lst.append(t)
lst.append(Paragraph("""
It was created as follows:
""", styleSheet['BodyText']))
lst.append(layout.Preformatted("""
ts = TableStyle(
[('LINEABOVE', (0,0), (-1,0), 2, colors.green),
('LINEABOVE', (0,1), (-1,-1), 0.25, colors.black),
('LINEBELOW', (0,-1), (-1,-1), 2, colors.green),
('ALIGN', (1,1), (-1,-1), 'RIGHT'),
('TEXTCOLOR', (0,1), (0,-1), colors.red),
('BACKGROUND', (0,0), (-1,0), colors.Color(0,0.7,0.7))]
)
""", styleSheet['Code']))
doc.build(lst)
if __name__ == '__main__':
test()