Class: Knj::Table_writer
Instance Method Summary collapse
- #close ⇒ Object
- #destroy ⇒ Object
- #ext ⇒ Object
- #ftype ⇒ Object
-
#initialize(args = {}) ⇒ Table_writer
constructor
A new instance of Table_writer.
- #write_row(arr) ⇒ Object
Constructor Details
#initialize(args = {}) ⇒ Table_writer
Returns a new instance of Table_writer.
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# File 'lib/knj/table_writer.rb', line 5 def initialize(args = {}) @args = args raise "No filepath was given." if @args["filepath"].to_s.empty? if @args["format"] == "csv" if @args["encoding"] encoding = @args["encoding"] else encoding = "utf-8" end @fp = File.open(@args["filepath"], "w", :encoding => encoding) elsif @args["format"] == "excel5" require "spreadsheet" @wb = Spreadsheet::Workbook.new @ws = @wb.create_worksheet @row = 0 elsif @args["format"] == "excel2007" require "php_process" if !Kernel.const_defined?(:Php_process) @php = Php_process.new @php.func("require_once", "PHPExcel.php") if @args["date_format"] @date_format_excel = args["date_format"].gsub("d", "dd").gsub("m", "mm").gsub("y", "yy").gsub("Y", "yyyy").gsub("-", '\\-') end #Array used for identifiyng Excel-columns. @colarr = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"] #This greatly speeds up the process, since it minimizes the call to PHP by ~25%. @date_cache = {} #Set cache-mode to cache-in-memory-gzip. cache_gzip_const = @php.constant_val("PHPExcel_CachedObjectStorageFactory::cache_to_discISAM") cosf = @php.static("PHPExcel_CachedObjectStorageFactory", "initialize", cache_gzip_const) @php.static("PHPExcel_Settings", "setCacheStorageMethod", cosf) #Create PHPExcel-objects. @pe = @php.new("PHPExcel") @pe.getProperties.setCreator(args["creator"]) if args["creator"] @pe.getProperties.setLastModifiedBy(args["last_modified_by"]) if args["last_modified_by"] @pe.getProperties.setTitle(args["title"]) if args["title"] @pe.getProperties.setSubject(args["subject"]) if args["subject"] @pe.getProperties.setDescription(args["descr"]) if args["descr"] @pe.setActiveSheetIndex(0) @sheet = @pe.getActiveSheet @linec = 1 else raise "Unsupported format: '#{@args["format"]}'." end end |
Instance Method Details
#close ⇒ Object
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# File 'lib/knj/table_writer.rb', line 125 def close if @args["format"] == "csv" @fp.close elsif @args["format"] == "excel5" dirname = File.dirname(@args["filepath"]) basename = File.basename(@args["filepath"], File.extname(@args["filepath"])) temp_path = "#{dirname}/#{basename}.xls" @wb.write(temp_path) @wb = nil @ws = nil FileUtils.mv(temp_path, @args["filepath"]) elsif @args["format"] == "excel2007" writer = @php.new("PHPExcel_Writer_Excel2007", @pe) writer.save(@args["filepath"]) self.destroy else raise "Unsupported format: '#{@args["format"]}'." end return nil end |
#destroy ⇒ Object
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# File 'lib/knj/table_writer.rb', line 119 def destroy @sheet = nil @php.destroy if @php @php = nil end |
#ext ⇒ Object
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# File 'lib/knj/table_writer.rb', line 150 def ext if @args["format"] == "csv" return "csv" elsif @args["format"] == "excel5" return "xls" elsif @args["format"] == "excel2007" return "xlsx" else raise "Unsupported format: '#{@args["format"]}'." end end |
#ftype ⇒ Object
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# File 'lib/knj/table_writer.rb', line 162 def ftype if @args["format"] == "csv" return "text/csv" elsif @args["format"] == "excel5" or @args["format"] == "excel2007" return "application/ms-excel" else raise "Unsupported format: '#{@args["format"]}'." end end |
#write_row(arr) ⇒ Object
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# File 'lib/knj/table_writer.rb', line 59 def write_row(arr) if @args["format"] == "csv" arr.each_index do |key| val = arr[key] if val.is_a?(Hash) and val["type"] == "decimal" arr[key] = Php4r.number_format(val["value"], @args["amount_decimals"], @args["amount_dsep"], @args["amount_tsep"]) elsif val.is_a?(Hash) and val["type"] == "date" arr[key] = Php4r.date(@args["date_format"], val["value"]) end end line_str = Knj::Csv.arr_to_csv(arr, @args["expl"], @args["surr"]) @fp.write(line_str) elsif @args["format"] == "excel5" col_count = 0 arr.each do |val| if val.is_a?(Hash) and val["type"] == "decimal" @ws[@row, col_count] = Php4r.number_format(val["value"], @args["amount_decimals"], @args["amount_dsep"], @args["amount_tsep"]) elsif val.is_a?(Hash) and val["type"] == "date" @ws[@row, col_count] = Php4r.date(@args["date_format"], val["value"]) else @ws[@row, col_count] = val end col_count += 1 end @row += 1 elsif @args["format"] == "excel2007" col_count = 0 arr.each do |val| colval = "#{@colarr[col_count]}#{@linec}" if val.is_a?(Hash) and val["type"] == "decimal" @sheet.setCellValue(colval, val["value"]) @sheet.getStyle(colval).getNumberFormat.setFormatCode("#,##0.00") elsif val.is_a?(Hash) and val["type"] == "date" datet = Datet.in(val["value"]) datet.days + 1 date_val = @php.static("PHPExcel_Shared_Date", "PHPToExcel", datet.to_i) @sheet.setCellValue(colval, date_val) @sheet.getStyle(colval).getNumberFormat.setFormatCode(@date_format_excel) else @sheet.setCellValue(colval, val) end col_count += 1 end @linec += 1 else raise "Unsupported format: '#{@args["format"]}'." end return nil end |