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#Copyright ReportLab Europe Ltd. 2000-2016
#see license.txt for license details
"""Tests ability to cycle through multiple page templates
"""
__version__='3.3.0'
from reportlab.lib.testutils import setOutDir,makeSuiteForClasses, outputfile, printLocation
setOutDir(__name__)
import sys, os, time
from operator import truth
import unittest
from reportlab.platypus.flowables import Flowable
from reportlab.lib import colors
from reportlab.lib.pagesizes import A4
from reportlab.lib.units import cm
from reportlab.lib.enums import TA_LEFT, TA_RIGHT, TA_CENTER, TA_JUSTIFY
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.platypus.paragraph import Paragraph
from reportlab.platypus.frames import Frame
from reportlab.lib.randomtext import randomText, PYTHON
from reportlab.platypus.doctemplate import PageTemplate, BaseDocTemplate, NextPageTemplate
from reportlab.platypus.paragraph import *
def myMainPageFrame(canvas, doc):
"The page frame used for all PDF documents."
canvas.saveState()
canvas.setFont('Times-Roman', 12)
pageNumber = canvas.getPageNumber()
canvas.drawString(10*cm, cm, str(pageNumber))
canvas.restoreState()
class LeftPageTemplate(PageTemplate):
def __init__(self):
#allow a bigger margin on the right for the staples
frame = Frame(1.5*cm, 2.5*cm, 16*cm, 25*cm, id='F1')
PageTemplate.__init__(self,
id='left',
frames=[frame],
pagesize=A4)
def beforeDrawPage(self, canv, doc):
"Decorate the page with an asymetric design"
canv.setFillColor(colors.cyan)
canv.rect(0.5*cm, 2.5*cm, 1*cm, 25*cm, stroke=1, fill=1)
canv.circle(19*cm, 10*cm, 0.5*cm, stroke=1, fill=1)
canv.circle(19*cm, 20*cm, 0.5*cm, stroke=1, fill=1)
canv.setFillColor(colors.black)
class RightPageTemplate(PageTemplate):
def __init__(self):
#allow a bigger margin on the right for the staples
frame = Frame(3.5*cm, 2.5*cm, 16*cm, 25*cm, id='F1')
PageTemplate.__init__(self,
id='right',
frames=[frame],
pagesize=A4)
def beforeDrawPage(self, canv, doc):
"Decorate the page with an asymetric design"
canv.setFillColor(colors.cyan)
canv.rect(19.5*cm, 2.5*cm, 1*cm, 25*cm, stroke=1, fill=1)
canv.circle(2*cm, 10*cm, 0.5*cm, stroke=1, fill=1)
canv.circle(2*cm, 20*cm, 0.5*cm, stroke=1, fill=1)
canv.setFillColor(colors.black)
class MyDocTemplate(BaseDocTemplate):
_invalidInitArgs = ('pageTemplates',)
def __init__(self, filename, **kw):
BaseDocTemplate.__init__(self, filename, **kw)
self.addPageTemplates(
[
PageTemplate(id='plain',
frames=[Frame(2.5*cm, 2.5*cm, 16*cm, 25*cm, id='F1')]
),
LeftPageTemplate(),
RightPageTemplate()
]
)
class LeftRightTestCase(unittest.TestCase):
"Test multi-page splitting of paragraphs (eyeball-test)."
def testIt(self):
"This makes one long multi-page paragraph."
# Build story.
story = []
styleSheet = getSampleStyleSheet()
h1 = styleSheet['Heading1']
h1.pageBreakBefore = 1
h1.keepWithNext = 1
h2 = styleSheet['Heading2']
h2.frameBreakBefore = 1
h2.keepWithNext = 1
h3 = styleSheet['Heading3']
h3.backColor = colors.cyan
h3.keepWithNext = 1
bt = styleSheet['BodyText']
story.append(Paragraph("""
This tests ability to alternate left and right templates. We start on
a plain one. The next page should display a left-side template,
with a big inner margin and staple-like holes on the right.""",style=bt))
story.append(NextPageTemplate(['left','right']))
story.append(Paragraph("""
One can specify a list of templates instead of a single one in
order to sequence through them.""",style=bt))
def doSome():
for i in range(10):
story.append(Paragraph('Heading 1 always starts a new page (%d)' % len(story), h1))
for j in range(3):
story.append(Paragraph('Heading1 paragraphs should always'
'have a page break before. Heading 2 on the other hand'
'should always have a FRAME break before (%d)' % len(story), bt))
story.append(Paragraph('Heading 2 always starts a new frame (%d)' % len(story), h2))
story.append(Paragraph('Heading1 paragraphs should always'
'have a page break before. Heading 2 on the other hand'
'should always have a FRAME break before (%d)' % len(story), bt))
for j in range(3):
story.append(Paragraph(randomText(theme=PYTHON, sentences=2)+' (%d)' % len(story), bt))
story.append(Paragraph('I should never be at the bottom of a frame (%d)' % len(story), h3))
story.append(Paragraph(randomText(theme=PYTHON, sentences=1)+' (%d)' % len(story), bt))
doSome()
story.append(NextPageTemplate('plain'))
story.append(Paragraph('Back to plain old page template',h1))
story.append(Paragraph('Back to plain old formatting', bt))
story.append(Paragraph("""use a template name of * to indicate where the iteration should restart""",style=bt))
story.append(NextPageTemplate(['left','*','right']))
doSome()
#doc = MyDocTemplate(outputfile('test_platypus_leftright.pdf'))
doc = MyDocTemplate(outputfile('test_platypus_leftright.pdf'))
doc.multiBuild(story)
def makeSuite():
return makeSuiteForClasses(LeftRightTestCase)
#noruntests
if __name__ == "__main__": #NORUNTESTS
unittest.TextTestRunner().run(makeSuite())
printLocation()
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