如何为数据系列中的数据范围命名？

Question

我正在通过python uno脚本创建一个图表。我添加了一个范围，类别，我设法为y轴设置最小值。

我唯一不能做的就是改变'名称范围'。

现在我的图表显示第一个数据系列的“Column AP”和第二个数据系列的“Column AQ”。该图表看起来像https://imgur.com/AFNHWw5但我希望它看起来像https://imgur.com/XUrMQ8e。我希望将第一个数据系列的图例更改为“Bought”，将第二个数据更改为“Now”。

我尝试创建https://forum.openoffice.org/en/forum/viewtopic.php?f=20&t=8991#p46467中描述的数据系列，但无法在python中使用它。 https://forum.openoffice.org/en/forum/viewtopic.php?f=20&t=8991#p46467似乎有点矫枉过正，因为除了“名称范围”之外，我拥有一切。

def create_data_sequence(data_provider, ran, rol):
    data_sequence = data_provider.createDataSequenceByRangeRepresentation(ran)
    if data_sequence:
        data_sequence.Role = rol
    return data_sequence

# TODO: move to end when done
# https://forum.openoffice.org/en/forum/viewtopic.php?t=53750
# https://forum.openoffice.org/en/forum/viewtopic.php?f=44&t=55115
dashboard_sheet = sheets.getByName('DASHBOARD')
values_sheet = sheets.getByName('Values') # TODO: remove, because it's referenced later
charts = dashboard_sheet.getCharts()

rect = Rectangle()
rect.Width, rect.Height, rect.X, rect.Y = 22000, 12000, 1000, 9200

range_address = []
range_address.append(CellRangeAddress())

range_address[0].Sheet = values_sheet.RangeAddress.Sheet
range_address[0].StartColumn = 41
range_address[0].StartRow = 550
range_address[0].EndColumn = 42
range_address[0].EndRow = 807

charts.addNewByName("Total Value Over Time", rect , tuple(range_address), False, False)
chart = charts.getByName("Total Value Over Time").getEmbeddedObject()
chart.createInstance("com.sun.star.chart.LineDiagram")

data_provider = chart.getDataProvider()
categories_sequence = smgr.createInstanceWithContext(\
                                        "com.sun.star.chart2.data.LabeledDataSequence", ctx)
categories_range = "$Values.$A$551:$A$808"
categories_sequence.setValues(create_data_sequence(data_provider,\
                                                   categories_range, "categories"))

coordinate_system = chart.getFirstDiagram().getCoordinateSystems()[0]

x_axis = coordinate_system.getAxisByDimension(0, 0) # TODO : why chart.getFirstDiagram()?
y_axis = chart.getDiagram().YAxis                   # TODO : why chart.getDiagram()? diff?
scale_x_data = x_axis.getScaleData()
scale_x_data.Categories = categories_sequence
x_axis.setScaleData(scale_x_data)
y_axis.Min = 55000
y_axis.Max = 125000
y_axis.NumberFormat = number_format_id

chart.HasMainTitle = True
chart.HasLegend = True
chart.Title.String = "Total Value Over Time"
chart.Title.CharHeight = 24
chart.HasSubTitle = True
chart.SubTitle.String = "Funds and Structured Products"
chart.SubTitle.CharHeight = 12

我的图表显示了两行。我希望传奇在第一行显示'Bought'，在第二行显示'Now'。

Answer 1

以下代码是根据您问题中的链接改编的。不确定它是否是“overkill”的意思，但它似乎是设置标签的正确方法。

set_sequence_label(chart, 0, "bought")
set_sequence_label(chart, 1, "now")

def set_sequence_label(chart, series_index, label):
    data_series = chart.FirstDiagram.getCoordinateSystems()[0].getChartTypes(
        )[0].getDataSeries()[series_index]
    data_sequence = data_series.getDataSequences()[0]
    oSequenceLabel = (
        chart.getDataProvider().createDataSequenceByRangeRepresentation(label))
    data_sequence.setLabel(oSequenceLabel)

文档：XLabeledDataSequence.setLabel()。