[reportlab-users] Zebra Stripes and the Table Flowable

[Robin Becker]

shawn a wrote:

> Hello,

> 

> I am looking for a way to give my table flowables a "zebra striping"

> effect. I.E every other row is light gray.

> 

> If i was drawing an HTML table i would simply do a

> if(rowNum mod 2 == 0):change style

> 

> It doesn't look like i can get that level of control during the table draw.

> I'm sure someone has figured this out. Any insight would be greatly appreciated

> 

> thanks,

> -shawn

.......there is a setting that does exactly this that does this. See 
test_platypus_tables.py




######################
	lst.append(Paragraph('Trying colour cycling in background', 
styleSheet['Heading1']))
	lst.append(Paragraph("This should alternate pale blue and uncolored by row", 
styleSheet['BodyText']))
	data=  [['001', '01', '02', '03', '04', '05'],
			['002', '01', '02', '03', '04', '05'],
			['003', '01', '02', '03', '04', '05'],
			['004', '01', '02', '03', '04', '05'],
			['005', '01', '02', '03', '04', '05'],
			['006', '01', '02', '03', '04', '05'],
			['007', '01', '02', '03', '04', '05'],
			['008', '01', '02', '03', '04', '05'],
			['009', '01', '02', '03', '04', '05'],
			['010', '01', '02', '03', '04', '05'],

			]
	t=Table(data,style=[
					('GRID',(0,0),(-1,-1),0.5,colors.grey),
					('ROWBACKGROUNDS', (0, 0), (-1, -1), (0xD0D0FF, None)),
					])
	lst.append(t)
	lst.append(Spacer(0,6))
	lst.append(Paragraph("And this should pale blue, pale pink and None by column", 
styleSheet['BodyText']))
	data=  [['001', '01', '02', '03', '04', '05'],
			['002', '01', '02', '03', '04', '05'],
			['003', '01', '02', '03', '04', '05'],
			['004', '01', '02', '03', '04', '05'],
			['005', '01', '02', '03', '04', '05'],
			['006', '01', '02', '03', '04', '05'],
			['007', '01', '02', '03', '04', '05'],
			['008', '01', '02', '03', '04', '05'],
			['009', '01', '02', '03', '04', '05'],
			['010', '01', '02', '03', '04', '05'],

			]
	t=Table(data,style=[
					('GRID',(0,0),(-1,-1),0.5,colors.grey),
					('COLBACKGROUNDS', (0, 0), (-1, -1), (0xD0D0FF, 0xFFD0D0, None)),
					])
	lst.append(t)
######################
-- 
Robin Becker