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116 lines
3.8 KiB
116 lines
3.8 KiB
# Copyright (c) 2010-2022 openpyxl
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from openpyxl.xml.functions import (
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Element,
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SubElement,
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tostring,
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fromstring,
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)
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from openpyxl.utils import (
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column_index_from_string,
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coordinate_to_tuple,
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)
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vmlns = "urn:schemas-microsoft-com:vml"
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officens = "urn:schemas-microsoft-com:office:office"
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excelns = "urn:schemas-microsoft-com:office:excel"
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class ShapeWriter(object):
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"""
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Create VML for comments
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"""
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vml = None
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vml_path = None
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def __init__(self, comments):
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self.comments = comments
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def add_comment_shapetype(self, root):
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shape_layout = SubElement(root, "{%s}shapelayout" % officens,
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{"{%s}ext" % vmlns: "edit"})
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SubElement(shape_layout,
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"{%s}idmap" % officens,
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{"{%s}ext" % vmlns: "edit", "data": "1"})
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shape_type = SubElement(root,
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"{%s}shapetype" % vmlns,
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{"id": "_x0000_t202",
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"coordsize": "21600,21600",
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"{%s}spt" % officens: "202",
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"path": "m,l,21600r21600,l21600,xe"})
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SubElement(shape_type, "{%s}stroke" % vmlns, {"joinstyle": "miter"})
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SubElement(shape_type,
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"{%s}path" % vmlns,
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{"gradientshapeok": "t",
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"{%s}connecttype" % officens: "rect"})
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def add_comment_shape(self, root, idx, coord, height, width):
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row, col = coordinate_to_tuple(coord)
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row -= 1
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col -= 1
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shape = _shape_factory(row, col, height, width)
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shape.set('id', "_x0000_s%04d" % idx)
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root.append(shape)
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def write(self, root):
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if not hasattr(root, "findall"):
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root = Element("xml")
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# Remove any existing comment shapes
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comments = root.findall("{%s}shape[@type='#_x0000_t202']" % vmlns)
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for c in comments:
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root.remove(c)
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# check whether comments shape type already exists
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shape_types = root.find("{%s}shapetype[@id='_x0000_t202']" % vmlns)
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if not shape_types:
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self.add_comment_shapetype(root)
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for idx, (coord, comment) in enumerate(self.comments, 1026):
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self.add_comment_shape(root, idx, coord, comment.height, comment.width)
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return tostring(root)
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def _shape_factory(row, column, height, width):
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style = ("position:absolute; "
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"margin-left:59.25pt;"
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"margin-top:1.5pt;"
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"width:{width}px;"
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"height:{height}px;"
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"z-index:1;"
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"visibility:hidden").format(height=height,
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width=width)
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attrs = {
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"type": "#_x0000_t202",
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"style": style,
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"fillcolor": "#ffffe1",
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"{%s}insetmode" % officens: "auto"
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}
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shape = Element("{%s}shape" % vmlns, attrs)
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SubElement(shape, "{%s}fill" % vmlns,
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{"color2": "#ffffe1"})
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SubElement(shape, "{%s}shadow" % vmlns,
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{"color": "black", "obscured": "t"})
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SubElement(shape, "{%s}path" % vmlns,
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{"{%s}connecttype" % officens: "none"})
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textbox = SubElement(shape, "{%s}textbox" % vmlns,
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{"style": "mso-direction-alt:auto"})
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SubElement(textbox, "div", {"style": "text-align:left"})
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client_data = SubElement(shape, "{%s}ClientData" % excelns,
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{"ObjectType": "Note"})
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SubElement(client_data, "{%s}MoveWithCells" % excelns)
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SubElement(client_data, "{%s}SizeWithCells" % excelns)
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SubElement(client_data, "{%s}AutoFill" % excelns).text = "False"
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SubElement(client_data, "{%s}Row" % excelns).text = str(row)
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SubElement(client_data, "{%s}Column" % excelns).text = str(column)
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return shape
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