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Invoice: Auto-resize font of meta data line

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Raphael Michel
2021-08-16 13:06:51 +02:00
parent c10c6ee28d
commit bb7fd9423b
1 changed files with 43 additions and 32 deletions
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75
src/pretix/base/invoice.py
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@@ -769,44 +769,55 @@ class Modern1Renderer(ClassicInvoiceRenderer):
]
def _draw_metadata(self, canvas):
# Draws the "invoice number -- date" line. This has gotten a little more complicated since we
# encountered some events with very long invoice numbers. In this case, we automatically reduce
# the font size until it fits.
begin_top = 100 * mm
textobject = canvas.beginText(self.left_margin, self.pagesize[1] - begin_top)
textobject.setFont(self.font_regular, 8)
textobject.textLine(pgettext('invoice', 'Order code'))
textobject.moveCursor(0, 5)
textobject.setFont(self.font_regular, 10)
textobject.textLine(self.invoice.order.full_code)
canvas.drawText(textobject)
if self.invoice.is_cancellation:
textobject = canvas.beginText(self.left_margin + 50 * mm, self.pagesize[1] - begin_top)
def _draw(label, value, value_size, x, width):
if canvas.stringWidth(value, self.font_regular, value_size) > width and value_size > 6:
return False
textobject = canvas.beginText(x, self.pagesize[1] - begin_top)
textobject.setFont(self.font_regular, 8)
textobject.textLine(pgettext('invoice', 'Cancellation number'))
textobject.textLine(label)
textobject.moveCursor(0, 5)
textobject.setFont(self.font_regular, 10)
textobject.textLine(self.invoice.number)
canvas.drawText(textobject)
textobject.setFont(self.font_regular, value_size)
textobject.textLine(value)
return textobject
textobject = canvas.beginText(self.left_margin + 100 * mm, self.pagesize[1] - begin_top)
textobject.setFont(self.font_regular, 8)
textobject.textLine(pgettext('invoice', 'Original invoice'))
textobject.moveCursor(0, 5)
textobject.setFont(self.font_regular, 10)
textobject.textLine(self.invoice.refers.number)
canvas.drawText(textobject)
else:
textobject = canvas.beginText(self.left_margin + 70 * mm, self.pagesize[1] - begin_top)
textobject.textLine(pgettext('invoice', 'Invoice number'))
textobject.moveCursor(0, 5)
textobject.setFont(self.font_regular, 10)
textobject.textLine(self.invoice.number)
canvas.drawText(textobject)
value_size = 10
while value_size >= 5:
objects = [
_draw(pgettext('invoice', 'Order code'), self.invoice.order.full_code, value_size, self.left_margin, 45 * mm)
]
p = Paragraph(
date_format(self.invoice.date, "DATE_FORMAT"),
style=ParagraphStyle(name=f'Normal{value_size}', fontName=self.font_regular, fontSize=value_size, leading=value_size * 1.2)
)
w = stringWidth(p.text, p.frags[0].fontName, p.frags[0].fontSize)
p.wrapOn(canvas, w, 15 * mm)
date_x = self.pagesize[0] - w - self.right_margin
if self.invoice.is_cancellation:
objects += [
_draw(pgettext('invoice', 'Cancellation number'), self.invoice.number,
value_size, self.left_margin + 50 * mm, 45 * mm),
_draw(pgettext('invoice', 'Original invoice'), self.invoice.number,
value_size, self.left_margin + 100 * mm, date_x - self.left_margin - 100 * mm - 5 * mm),
]
else:
objects += [
_draw(pgettext('invoice', 'Invoice number'), self.invoice.number,
value_size, self.left_margin + 70 * mm, date_x - self.left_margin - 70 * mm - 5 * mm),
]
if all(objects):
for o in objects:
canvas.drawText(o)
break
value_size -= 1
p = Paragraph(date_format(self.invoice.date, "DATE_FORMAT"), style=self.stylesheet['Normal'])
w = stringWidth(p.text, p.frags[0].fontName, p.frags[0].fontSize)
p.wrapOn(canvas, w, 15 * mm)
date_x = self.pagesize[0] - w - self.right_margin
p.drawOn(canvas, date_x, self.pagesize[1] - begin_top - 10 - 6)
textobject = canvas.beginText(date_x, self.pagesize[1] - begin_top)