Class: RubyXL::Cell

Inherits:
PrivateClass show all
Defined in:
lib/rubyXL/cell.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(worksheet, row, column, value = nil, formula = nil, datatype = 's', style_index = 0, fmla_attr = {}) ⇒ Cell

Returns a new instance of Cell.



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# File 'lib/rubyXL/cell.rb', line 7

def initialize(worksheet,row,column,value=nil,formula=nil,datatype='s',style_index=0, fmla_attr={})
  @worksheet = worksheet

  @workbook = worksheet.workbook
  @row = row
  @column = column
  @datatype = datatype
  @value = value
  @formula=formula
  @style_index = style_index
  @formula_attributes = fmla_attr
end

Instance Attribute Details

#column ⇒ Object

Returns the value of attribute column.



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# File 'lib/rubyXL/cell.rb', line 4

def column
  @column
end

#datatype ⇒ Object

Returns the value of attribute datatype.



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# File 'lib/rubyXL/cell.rb', line 4

def datatype
  @datatype
end

#formula ⇒ Object

Returns the value of attribute formula.



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# File 'lib/rubyXL/cell.rb', line 4

def formula
  @formula
end

#formula_attributes ⇒ Object (readonly)

Returns the value of attribute formula_attributes.



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# File 'lib/rubyXL/cell.rb', line 5

def formula_attributes
  @formula_attributes
end

#row ⇒ Object

Returns the value of attribute row.



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# File 'lib/rubyXL/cell.rb', line 4

def row
  @row
end

#style_index ⇒ Object

Returns the value of attribute style_index.



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# File 'lib/rubyXL/cell.rb', line 4

def style_index
  @style_index
end

#workbook ⇒ Object (readonly)

Returns the value of attribute workbook.



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# File 'lib/rubyXL/cell.rb', line 5

def workbook
  @workbook
end

#worksheet ⇒ Object

Returns the value of attribute worksheet.



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# File 'lib/rubyXL/cell.rb', line 4

def worksheet
  @worksheet
end

Class Method Details

.convert_to_cell(row = 0, col = 0) ⇒ Object

returns Excel-style cell string from matrix indices



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# File 'lib/rubyXL/cell.rb', line 361

def Cell.convert_to_cell(row=0,col=0)
  row_string = (row + 1).to_s #+1 for 0 indexing
  col_string = ''

  if row < 0 || col < 0
    raise 'Invalid input: cannot convert negative numbers'
  end

  unless col == 0
    col_length = 1+Integer(Math.log(col) / Math.log(26)) #opposite of 26**
  else
    col_length = 1
  end

  1.upto(col_length) do |i|

    #for the last digit, 0 should mean A. easy way to do this.
    if i == col_length
      col+=1
    end

    if col >= 26**(col_length-i)
      int_val = col / 26**(col_length-i) #+1 for 0 indexing
      int_val += 64 #converts 1 to A, etc.

      col_string += int_val.chr

      #intval multiplier decrements by placeholder, essentially
      #a B subtracts more than an A this way.
      col -= (int_val-64)*26**(col_length-i)
    end
  end
  col_string+row_string
end

Instance Method Details

#border_bottom ⇒ Object

returns cell’s bottom border



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# File 'lib/rubyXL/cell.rb', line 351

def border_bottom()
  return get_border(:bottom)
end

#border_diagonal ⇒ Object

returns cell’s diagonal border



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# File 'lib/rubyXL/cell.rb', line 356

def border_diagonal()
  return get_border(:diagonal)
end

#border_left ⇒ Object

returns cell’s left border



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# File 'lib/rubyXL/cell.rb', line 341

def border_left()
  return get_border(:left)
end

#border_right ⇒ Object

returns cell’s right border



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# File 'lib/rubyXL/cell.rb', line 346

def border_right()
  return get_border(:right)
end

#border_top ⇒ Object

returns cell’s top border



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# File 'lib/rubyXL/cell.rb', line 336

def border_top()
  return get_border(:top)
end

#change_border_bottom(weight = 'thin') ⇒ Object

changes bottom border of cell



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# File 'lib/rubyXL/cell.rb', line 221

def change_border_bottom(weight='thin')
  change_border(:bottom, weight)
end

#change_border_diagonal(weight = 'thin') ⇒ Object

changes diagonal border of cell



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# File 'lib/rubyXL/cell.rb', line 226

def change_border_diagonal(weight='thin')
  change_border(:diagonal, weight)
end

#change_border_left(weight = 'thin') ⇒ Object

changes left border of cell



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# File 'lib/rubyXL/cell.rb', line 211

def change_border_left(weight='thin')
  change_border(:left, weight)
end

#change_border_right(weight = 'thin') ⇒ Object

changes right border of cell



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# File 'lib/rubyXL/cell.rb', line 216

def change_border_right(weight='thin')
  change_border(:right, weight)
end

#change_border_top(weight = 'thin') ⇒ Object

changes top border of cell



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# File 'lib/rubyXL/cell.rb', line 206

def change_border_top(weight='thin')
  change_border(:top, weight)
end

#change_contents(data, formula = nil) ⇒ Object

changes contents of cell, with formula option



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# File 'lib/rubyXL/cell.rb', line 231

def change_contents(data, formula=nil)
  validate_worksheet
  @datatype='str'
  if data.is_a?(Date) || data.is_a?(DateTime)
    data = @workbook.date_to_num(data)
  end
  if (data.is_a?Integer) || (data.is_a?Float)
    @datatype = ''
  end
  @value=data
  @formula=formula
end

#change_fill(rgb = 'ffffff') ⇒ Object

changes fill color of cell



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# File 'lib/rubyXL/cell.rb', line 98

def change_fill(rgb='ffffff')
  validate_worksheet
  Color.validate_color(rgb)
  @style_index = modify_fill(@workbook, @style_index,rgb)
end

#change_font(font) ⇒ Object

Helper method to update the font array and xf array



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# File 'lib/rubyXL/cell.rb', line 181

def change_font(font)
  # Modify font array and retrieve new font id
  font_id = modify_font(@workbook, font, font_id())
  # Get copy of xf object with modified font id
  xf = deep_copy(xf_id())
  xf[:fontId] = Integer(font_id.to_i)
  # Modify xf array and retrieve new xf id
  @style_index = modify_xf(@workbook, xf)
end

#change_font_bold(bolded = false) ⇒ Object

Changes font bold settings of cell



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# File 'lib/rubyXL/cell.rb', line 151

def change_font_bold(bolded=false)
  validate_worksheet
  # Get copy of font object with modified bold settings
  font = deep_copy(workbook.fonts[font_id().to_s][:font])
  font = modify_font_bold(font, bolded)
  # Update font and xf array
  change_font(font)
end

#change_font_color(font_color = '000000') ⇒ Object

Changes font color of cell



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# File 'lib/rubyXL/cell.rb', line 129

def change_font_color(font_color='000000')
  validate_worksheet
  #if arg is a color name, convert to integer
  Color.validate_color(font_color)
  # Get copy of font object with modified color
  font = deep_copy(workbook.fonts[font_id().to_s][:font])
  font = modify_font_color(font, font_color.to_s)
  # Update font and xf array
  change_font(font)
end

#change_font_italics(italicized = false) ⇒ Object

Changes font italics settings of cell



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# File 'lib/rubyXL/cell.rb', line 141

def change_font_italics(italicized=false)
  validate_worksheet
  # Get copy of font object with modified italics settings
  font = deep_copy(workbook.fonts[font_id().to_s][:font])
  font = modify_font_italics(font, italicized)
  # Update font and xf array
  change_font(font)
end

#change_font_name(font_name = 'Verdana') ⇒ Object

Changes font name of cell



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# File 'lib/rubyXL/cell.rb', line 105

def change_font_name(font_name='Verdana')
  validate_worksheet
  # Get copy of font object with modified name
  font = deep_copy(workbook.fonts[font_id().to_s][:font])
  font[:name][:attributes][:val] = font_name.to_s
  # Update font and xf array
  change_font(font)
end

#change_font_size(font_size = 10) ⇒ Object

Changes font size of cell



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# File 'lib/rubyXL/cell.rb', line 115

def change_font_size(font_size=10)
  validate_worksheet
  if font_size.is_a?(Integer) || font_size.is_a?(Float)
    # Get copy of font object with modified size
    font = deep_copy(workbook.fonts[font_id().to_s][:font])
    font[:sz][:attributes][:val] = font_size
    # Update font and xf array
    change_font(font)
  else
    raise 'Argument must be a number'
  end
end

#change_font_strikethrough(struckthrough = false) ⇒ Object

Changes font strikethrough settings of cell



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# File 'lib/rubyXL/cell.rb', line 171

def change_font_strikethrough(struckthrough=false)
  validate_worksheet
  # Get copy of font object with modified strikethrough settings
  font = deep_copy(workbook.fonts[font_id().to_s][:font])
  font = modify_font_strikethrough(font, struckthrough)
  # Update font and xf array
  change_font(font)
end

#change_font_underline(underlined = false) ⇒ Object

Changes font underline settings of cell



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# File 'lib/rubyXL/cell.rb', line 161

def change_font_underline(underlined=false)
  validate_worksheet
  # Get copy of font object with modified underline settings
  font = deep_copy(workbook.fonts[font_id().to_s][:font])
  font = modify_font_underline(font, underlined)
  # Update font and xf array
  change_font(font)
end

#change_horizontal_alignment(alignment = 'center') ⇒ Object

changes horizontal alignment of cell



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# File 'lib/rubyXL/cell.rb', line 192

def change_horizontal_alignment(alignment='center')
  validate_worksheet
  validate_horizontal_alignment(alignment)
  @style_index = modify_alignment(@workbook,@style_index,true,alignment)
end

#change_vertical_alignment(alignment = 'center') ⇒ Object

changes vertical alignment of cell



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# File 'lib/rubyXL/cell.rb', line 199

def change_vertical_alignment(alignment='center')
  validate_worksheet
  validate_vertical_alignment(alignment)
  @style_index = modify_alignment(@workbook,@style_index,false,alignment)
end

#fill_color ⇒ Object

returns cell’s fill color



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# File 'lib/rubyXL/cell.rb', line 309

def fill_color()
  validate_worksheet
  xf = @workbook.get_style_attributes(@workbook.get_style(@style_index))
  return @workbook.get_fill_color(xf)
end

#font_color ⇒ Object

returns cell’s font color



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# File 'lib/rubyXL/cell.rb', line 299

def font_color()
  validate_worksheet
  if @workbook.fonts[font_id()][:font][:color].nil?
    '000000' #black
  else
    @workbook.fonts[font_id()][:font][:color][:attributes][:rgb]
  end
end

#font_name ⇒ Object

returns cell’s font name



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# File 'lib/rubyXL/cell.rb', line 287

def font_name()
  validate_worksheet
  @workbook.fonts[font_id()][:font][:name][:attributes][:val]
end

#font_size ⇒ Object

returns cell’s font size



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# File 'lib/rubyXL/cell.rb', line 293

def font_size()
  validate_worksheet
  return @workbook.fonts[font_id()][:font][:sz][:attributes][:val]
end

#horizontal_alignment ⇒ Object

returns cell’s horizontal alignment



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# File 'lib/rubyXL/cell.rb', line 316

def horizontal_alignment()
  validate_worksheet
  xf_obj = @workbook.get_style(@style_index)
  if xf_obj[:alignment].nil? || xf_obj[:alignment][:attributes].nil?
    return nil
  end
  xf_obj[:alignment][:attributes][:horizontal].to_s
end

#inspect ⇒ Object 



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# File 'lib/rubyXL/cell.rb', line 396

def inspect
  str = "(#{@row},#{@column}): #{@value}" 
  str += " =#{@formula}" if @formula
  str += ", datatype = #{@datatype}, style_index = #{@style_index}"
  return str
end

#is_bolded ⇒ Object

returns if font is bolded



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# File 'lib/rubyXL/cell.rb', line 255

def is_bolded()
  validate_worksheet
  if @workbook.fonts[font_id()][:font][:b].nil?
    false
  else
    true
  end
end

#is_date? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubyXL/cell.rb', line 28

def is_date?
  if !@value.is_a?(String)
    if @workbook.num_fmts
      num_fmt_id = xf_id()[:numFmtId]
      num_fmt = @workbook.num_fmts[:numFmt].select { |f| f[:attributes][:numFmtId] == num_fmt_id }[0].andand[:attributes].andand[:formatCode]
      if num_fmt && is_date_format?(num_fmt)
        return true
      end
    end
  end
  return false
end

#is_date_format?(num_fmt) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubyXL/cell.rb', line 41

def is_date_format?(num_fmt)
  skip_chars = ['$', '-', '+', '/', '(', ')', ':', ' ']
  num_chars = ['0', '#', '?']
  non_date_formats = ['0.00E+00', '##0.0E+0', 'General', 'GENERAL', 'general', '@']
  date_chars = ['y','m','d','h','s']

  state = 0
  s = ''
  num_fmt.split(//).each do |c|
    if state == 0
      if c == '"'
        state = 1
      elsif ['\\', '_', '*'].include?(c)
        state = 2
      elsif skip_chars.include?(c)
        next
      else
        s << c
      end
    elsif state == 1
      if c == '"'
        state = 0
      end
    elsif state == 2
      state = 0
    end
  end
  s.gsub!(/\[[^\]]*\]/, '')
  if non_date_formats.include?(s)
    return false
  end
  separator = ';'
  got_sep = 0
  date_count = 0
  num_count = 0
  s.split(//).each do |c|
    if date_chars.include?(c)
      date_count += 1
    elsif num_chars.include?(c)
      num_count += 1
    elsif c == separator
      got_sep = 1
    end
  end
  if date_count > 0 && num_count == 0
    return true
  elsif num_count > 0 && date_count == 0
    return false
  elsif date_count
    # ambiguous result
  elsif got_sep == 0
    # constant result
  end
  return date_count > num_count
end

#is_italicized ⇒ Object

returns if font is italicized



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# File 'lib/rubyXL/cell.rb', line 245

def is_italicized()
  validate_worksheet
  if @workbook.fonts[font_id()][:font][:i].nil?
    false
  else
    true
  end
end

#is_struckthrough ⇒ Object

returns if font has a strike through it



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# File 'lib/rubyXL/cell.rb', line 276

def is_struckthrough()
  validate_worksheet
  xf = @workbook.get_style_attributes(@workbook.get_style(@style_index))
  if @workbook.fonts[font_id()][:font][:strike].nil?
    false
  else
    true
  end
end

#is_underlined ⇒ Object

returns if font is underlined



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# File 'lib/rubyXL/cell.rb', line 265

def is_underlined()
  validate_worksheet
  xf = @workbook.get_style_attributes(@workbook.get_style(@style_index))
  if @workbook.fonts[font_id()][:font][:u].nil?
    false
  else
    true
  end
end

#value ⇒ Object 



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# File 'lib/rubyXL/cell.rb', line 20

def value
  if is_date?
    return @workbook.num_to_date(@value)
  else
    return @value
  end
end

#vertical_alignment ⇒ Object

returns cell’s vertical alignment



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# File 'lib/rubyXL/cell.rb', line 326

def vertical_alignment()
  validate_worksheet
  xf_obj = @workbook.get_style(@style_index)
  if xf_obj[:alignment].nil? || xf_obj[:alignment][:attributes].nil?
    return nil
  end
  xf_obj[:alignment][:attributes][:vertical].to_s
end