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funnel.py
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funnel.py
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"""
funnel
"""
myVersion = "0.0"
__version__ = myVersion
import csv
import io
from rectangle import Rectangle
from pptx.util import Inches, Pt
from pptx.enum.text import PP_ALIGN
from pptx.dml.color import RGBColor, MSO_THEME_COLOR
from colour import setColour
from symbols import resolveSymbols
def massageFunnelText(text):
fragment = ""
for c in text:
if ord(c) == 236:
fragment = fragment + "<"
elif ord(c) == 237:
fragment = fragment + ">"
else:
fragment = fragment + c
return fragment
class Funnel:
def __init__(
self,
):
pass
def makeFunnel(
self,
slide,
renderingRectangle,
funnelParts,
partColours,
codeType,
funnelBorderColour,
funnelTitleColour,
funnelTextColour,
funnelLabelsPercent,
):
funnelLabelsProportion = funnelLabelsPercent / 100
# Define labels rectangle
funnelLabelsRectangle = Rectangle(
renderingRectangle.top,
renderingRectangle.left,
int(renderingRectangle.height * funnelLabelsProportion),
renderingRectangle.width,
)
# Define funnel body rectangle
funnelBodyRectangle = Rectangle(
renderingRectangle.top + int(renderingRectangle.height * funnelLabelsProportion),
renderingRectangle.left,
int(renderingRectangle.height * (1 - funnelLabelsProportion)),
renderingRectangle.width,
)
tipHeight = funnelBodyRectangle.height / 3
partColourCount = len(partColours)
funnelPartRows = [r for r in csv.reader(io.StringIO(str.join("\n", funnelParts)), escapechar = "\\", skipinitialspace = True)]
funnelPartCount = len(funnelPartRows)
# Build lists of labels and Body
funnelLabels = []
funnelBody = []
for row in funnelPartRows:
cell1 = row[0].strip()
if len(row) == 0:
funnelLabels.append("")
funnelBody.append("")
else:
funnelLabels.append(cell1)
if len(row) == 1:
funnelBody.append("")
else:
cell2 = row[1].strip()
funnelBody.append(cell2)
partWidth = renderingRectangle.width / funnelPartCount
# Create the labels
for l, label in enumerate(funnelLabels):
tb = slide.shapes.add_textbox(
funnelLabelsRectangle.left + l * partWidth,
funnelLabelsRectangle.top,
partWidth,
funnelLabelsRectangle.height,
)
tb.text = massageFunnelText(resolveSymbols(label.replace("<br/>","\n")))
for p in tb.text_frame.paragraphs:
p.alignment = PP_ALIGN.CENTER
if funnelTitleColour != ("None", ""):
setColour(p.font.color, funnelTitleColour)
# Create the parts of the funnel§
for b, body in enumerate(funnelBody):
partLeft = funnelBodyRectangle.left + b * partWidth
partRight = partLeft + partWidth
if b == funnelPartCount - 1:
leftSpaceAboveBelow = (funnelBodyRectangle.height - tipHeight) / 2
partTopLeft = funnelBodyRectangle.top + leftSpaceAboveBelow
partTopRight = partTopLeft
partBottomLeft = funnelBodyRectangle.top + funnelBodyRectangle.height - leftSpaceAboveBelow
partBottomRight = partBottomLeft
else:
leftSpaceAboveBelow = (funnelBodyRectangle.height - tipHeight) / 2 * b / (funnelPartCount - 1)
rightSpaceAboveBelow = (funnelBodyRectangle.height - tipHeight) / 2 * (b + 1) / (funnelPartCount - 1)
partTopLeft = funnelBodyRectangle.top + leftSpaceAboveBelow
partTopRight = funnelBodyRectangle.top + rightSpaceAboveBelow
partBottomLeft = funnelBodyRectangle.top + funnelBodyRectangle.height - leftSpaceAboveBelow
partBottomRight = funnelBodyRectangle.top + funnelBodyRectangle.height - rightSpaceAboveBelow
# Start shape builder with first point
ffBuilder = slide.shapes.build_freeform(
partLeft,
partTopLeft
)
ffBuilder.add_line_segments(
[
(partLeft , partBottomLeft),
(partRight, partBottomRight),
(partRight, partTopRight),
],
close = True
)
s = ffBuilder.convert_to_shape()
s.text = massageFunnelText(resolveSymbols(body.replace("<br/>","\n")))
for p in s.text_frame.paragraphs:
p.alignment = PP_ALIGN.CENTER
if funnelTextColour != ("None", ""):
setColour(p.font.color, funnelTextColour)
s.fill.solid()
partColourType, partColourValue = partColours[b % partColourCount]
if partColourType == "Theme":
s.fill.fore_color.theme_color = partColourValue
else:
s.fill.fore_color.rgb = RGBColor.from_string(partColourValue[1:])
if funnelBorderColour != ("None", ""):
setColour(s.line.color, funnelBorderColour)