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# -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
#
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# Helper for creating an OLE chart
from com.sun.star.text import VertOrientation
from com.sun.star.text import HoriOrientation
class ChartHelper(object):
def __init__(self, container_doc):
self._CHART_CLASS_ID = "12dcae26-281f-416f-a234-c3086127382e"
self._container_document = container_doc
def insert_ole_chart_in_writer(self, upper_left, extent, chart_service_name: str):
"""Inserts an OLE chart into a Writer document.
Args:
upper_left (Point): The upper-left corner of the chart.
extent (Size): The size of the chart.
chart_service_name (str): The name of the chart service to use.
Returns:
The ChartDocument inserted
"""
result = None
try:
text_content = self._container_document.createInstance(
"com.sun.star.text.TextEmbeddedObject"
)
if text_content is not None:
text_content.setPropertyValue("CLSID", self._CHART_CLASS_ID)
text = self._container_document.getText()
cursor = text.createTextCursor()
# insert embedded object in text -> object will be created
text.insertTextContent(cursor, text_content, True)
# set size and position
text_content.setSize(extent)
text_content.setPropertyValue("VertOrient", int(VertOrientation.NONE))
text_content.setPropertyValue("HoriOrient", int(HoriOrientation.NONE))
text_content.setPropertyValue("VertOrientPosition", upper_left.Y)
text_content.setPropertyValue("HoriOrientPosition", upper_left.X)
# Get chart document and set diagram
result = text_content.getPropertyValue("Model")
result.setDiagram(result.createInstance(chart_service_name))
except Exception as err:
print(f"caught exception: {err}")
return result
def insert_ole_chart_in_draw(self, upper_left, extent, chart_service_name):
"""Inserts an OLE chart into a Draw document.
Args:
upper_left (Point): The upper-left corner of the chart.
extent (Size): The size of the chart.
chart_service_name (str): The name of the chart service to use.
Returns:
The ChartDocument inserted
"""
result = None
try:
# Get First page
page = self._container_document.getDrawPages().getByIndex(0)
except AttributeError:
# try interface for single draw page (e.g. spreadsheet)
page = self._container_document.getDrawPage()
except Exception as err:
print(f"First page not found in shape collection: {err}")
try:
# Create an OLE shape
shape = self._container_document.createInstance(
"com.sun.star.drawing.OLE2Shape"
)
# Insert the shape into the page
page.add(shape)
shape.setPosition(upper_left)
shape.setSize(extent)
# set the class id for charts
shape.setPropertyValue("CLSID", self._CHART_CLASS_ID)
# retrieve the chart document as model of the OLE shape
result = shape.getPropertyValue("Model")
# create a diagram via the factory and set this as new diagram
result.setDiagram(result.createInstance(chart_service_name))
except Exception as err:
print(f"Couldn't change the OLE shape into a chart: {err}")
return result
# vim: set shiftwidth=4 softtabstop=4 expandtab:
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