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more flexible xlsx helper

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This commit is contained in:
Alexander Meindl 2018-01-30 13:42:32 +01:00
parent ba9b3417f1
commit b61d8d082b
1 changed files with 52 additions and 36 deletions
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88
app/helpers/additionals_query_helper.rb
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@ -20,31 +20,45 @@ module AdditionalsQueryHelper
query.inline_columns
end
export_to_xlsx(items, columns)
end
private
def export_to_xlsx(items, columns)
stream = StringIO.new('')
workbook = WriteXLSX.new(stream)
worksheet = workbook.add_worksheet
# Freeze header row and # column.
worksheet.freeze_panes(1, 1)
columns_width = []
xlsx_write_header_row(workbook, worksheet, columns, columns_width)
xlsx_write_item_rows(workbook, worksheet, columns, items, columns_width)
columns.size.times do |index|
worksheet.set_column(index, index, columns_width[index])
end
workbook.close
export_to_xlsx(items, columns, filename: stream)
stream.string
end
def xlsx_write_header_row(workbook, worksheet, columns, columns_width)
def additionals_result_to_xlsx(items, columns, options = {})
raise 'option filename is mission' if options[:filename].blank?
require 'write_xlsx'
export_to_xlsx(items, columns, options)
end
def export_to_xlsx(items, columns, options)
workbook = WriteXLSX.new(options[:filename])
worksheet = workbook.add_worksheet
# Freeze header row and # column.
freeze_row = options[:freeze_first_row].nil? || options[:freeze_first_row] ? 1 : 0
freeze_column = options[:freeze_first_column].nil? || options[:freeze_first_column] ? 1 : 0
worksheet.freeze_panes(freeze_row, freeze_column)
options[:columns_width] = if options[:xlsx_write_header_row].present?
send(options[:xlsx_write_header_row], workbook, worksheet, columns)
else
xlsx_write_header_row(workbook, worksheet, columns)
end
options[:columns_width] = if options[:xlsx_write_item_rows].present?
send(options[:xlsx_write_item_rows], workbook, worksheet, columns, items, options)
else
xlsx_write_item_rows(workbook, worksheet, columns, items, options)
end
columns.size.times do |index|
worksheet.set_column(index, index, options[:columns_width][index])
end
workbook.close
end
def xlsx_write_header_row(workbook, worksheet, columns)
columns_width = []
columns.each_with_index do |c, index|
value = if c.class.name == 'String'
c
@ -55,9 +69,10 @@ module AdditionalsQueryHelper
worksheet.write(0, index, value, workbook.add_format(xlsx_cell_format(:header)))
columns_width << xlsx_get_column_width(value)
end
columns_width
end
def xlsx_write_item_rows(workbook, worksheet, columns, items, columns_width)
def xlsx_write_item_rows(workbook, worksheet, columns, items, options = {})
hyperlink_format = workbook.add_format(xlsx_cell_format(:link))
items.each_with_index do |line, line_index|
columns.each_with_index do |c, column_index|
@ -75,22 +90,10 @@ module AdditionalsQueryHelper
end
width = xlsx_get_column_width(value)
columns_width[column_index] = width if columns_width[column_index] < width
options[:columns_width][column_index] = width if options[:columns_width][column_index] < width
end
end
end
def xlsx_hyperlink_cell?(token)
# Match http, https or ftp URL
if token =~ %r{\A[fh]tt?ps?://}
true
# Match mailto:
elsif token.present? && token.start_with?('mailto:')
true
# Match internal or external sheet link
elsif token =~ /\A(?:in|ex)ternal:/
true
end
options[:columns_width]
end
def xlsx_get_column_width(value)
@ -120,4 +123,17 @@ module AdditionalsQueryHelper
format
end
def xlsx_hyperlink_cell?(token)
# Match http, https or ftp URL
if token =~ %r{\A[fh]tt?ps?://}
true
# Match mailto:
elsif token.present? && token.start_with?('mailto:')
true
# Match internal or external sheet link
elsif token =~ /\A(?:in|ex)ternal:/
true
end
end
end