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VBA/COM-methods with supplying options not possible #5758

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Thomas008 opened this issue May 30, 2019 · 0 comments

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commented May 30, 2019

excel = WIN32OLE.new('Excel.Application')
workbooks = excel.Workbooks
workbook = workbooks.Open(File.expand_path('spec/data/workbook.xls'), 'ReadOnly' => true)

expected:
opening a workbook with readonly mode

actual:
Java::JavaLang::RuntimeException (createVariant() not implemented for class org.jruby.RubyHash

So it is not possible to provide a hash of options with the COM method.
One could avoid the problem via providing the options via their position.
In the above example, this would be
workbook = workbooks.Open(File.expand_path('spec/data/workbook.xls', nil, true)
(The first option parameter would be UpdateLinks that does not apply here. So it is set to nil).

However, for some COM methods, I don't see that you can provide the options via their position. for example, when adding or copying a worksheet into the workbook after a given worksheet.
In VBA you can proved either 'Before' or 'After', but not both these options.

Given,
a_worksheet = workbook.Worksheets.Item(1)
in ruby, you could do:
workbook.Worksheets.Add('Before' => a_worksheet)
In jruby this works fine:
workbook.Worksheets.Add(a_worksheet)

In ruby:
workbook.Worksheets.Add('After' => a_worksheet)
I have not found a way to translate this to jruby. For example
workbook.Worksheets.Add(nil, a_worksheet)
then Excel raises an exception.

I have implemented a workaround by moving the worksheets in order to add or copy a worksheet (to the end), but it would be great, if one could provide a hash of options to the VBA methods.

Environment

jruby 9.2.6.0, windows 10

@headius headius added the windows label Jun 10, 2019

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