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