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dropdown list by fast_excel
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module Libxlsxwriter | |
class Validator < FFI::Struct | |
layout :validate, :uint8, | |
:criteria, :uint8, | |
:ignore_blank, :uint8, | |
:show_input, :uint8, | |
:show_error, :uint8, | |
:dropdown, :uint8, | |
:value_number, :double, | |
:value_formula, :string, | |
:value_list, :pointer, | |
:value_datetime, Datetime.by_value, | |
:minimum_number, :double, | |
:minimum_formula, :string, | |
:minimum_datetime, Datetime.by_value, | |
:maximum_number, :double, | |
:maxmum_formula, :string, | |
:maximum_datetime, Datetime.by_value, | |
:input_title, :string, | |
:input_message, :string, | |
:error_title, :string, | |
:error_message, :string | |
end | |
attach_function :worksheet_data_validation_range, :worksheet_data_validation_range, [Worksheet, :uint32, :uint16, :uint32, :uint16, Validator], :error | |
module WorksheetWrappers | |
def data_validation_range(row_begin, col_begin, row_end, col_end, rb_list) | |
v = Libxlsxwriter::Validator.new | |
v[:validate] = 5 | |
v[:criteria] = 0 | |
v[:show_input] = v[:show_error] = 0 | |
v[:dropdown] = 2 | |
sp = rb_list.map {|s| FFI::MemoryPointer.from_string(s)} | |
sp << FFI::Pointer::NULL | |
list = FFI::MemoryPointer.new(:pointer, sp.length) | |
list.put_array_of_pointer(0, sp) | |
v[:value_list] = list | |
Libxlsxwriter.worksheet_data_validation_range(self, row_begin, col_begin, row_end, col_end, v) | |
end | |
end | |
end | |
tmp = Tempfile.open(['test', '.xlsx']) | |
book = FastExcel.open(tmp.path) | |
ws = book.add_worksheet('test_sheet') | |
ws.data_validation_range(1, 1, 100, 1, ['A', 'B', 'C']) | |
ws.write_value(row = 1, col = 1, 'AX') | |
ws.write_value(row = 2, col = 1, 'BX') | |
book.close | |
tmp.rewind | |
IO::binwrite('test.xlsx', tmp.read) | |
tmp.close! |
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