Class: Row

Inherits:
Object
  • Object
show all
Includes:
BasicLogging
Defined in:
lib/row.rb

Overview

Objects of this class represent rows in a spreadsheet table

Constant Summary collapse

@@DEF_HEIGHT = 
2

Constants included from BasicLogging

BasicLogging::DEBUG, BasicLogging::ERROR, BasicLogging::FATAL, BasicLogging::INFO, BasicLogging::Levels, BasicLogging::UNKNOWN, BasicLogging::WARN

Instance Attribute Summary collapse

Attributes included from BasicLogging

#log_level, #target

Instance Method Summary collapse

Methods included from BasicLogging

is_muted?, #log, mute, #set_level, set_level, set_target, #set_target

Constructor Details

#initialize(number = nil) ⇒ Row

Returns a new instance of Row.



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# File 'lib/row.rb', line 25

def initialize(number = nil)
  @number = number
  @cells = Array.new
  @height = 1
end

Instance Attribute Details

#cells ⇒ Object (readonly)

Returns the value of attribute cells.



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# File 'lib/row.rb', line 74

def cells
  @cells
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/row.rb', line 74

def height
  @height
end

#number ⇒ Object (readonly)

Returns the value of attribute number.



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# File 'lib/row.rb', line 74

def number
  @number
end

Instance Method Details

#add(cell) ⇒ Object Also known as: <<

add a cell to the row



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# File 'lib/row.rb', line 32

def add(cell)
  n_cell = nil
  if cell.respond_to?(:to_cell)
    n_cell = cell
  elsif cell.respond_to?(:to_i)
    n_cell = Cell.new(@number, cell) 
  else
    msg = 'For a new cell, a colum-number must be specified'
    error(red(msg))
    raise StandardError(msg)
  end
  @cells.insert(n_cell.col, n_cell) 
  @cells.compact!
  resize()
end

#each(&b) ⇒ Object

execute block on each cell in the row



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# File 'lib/row.rb', line 49

def each(&b)
  @cells.each do |c|
    yield(c) 
  end
end

#resize ⇒ Object

adapt the height of the row to the ideal height of the highest cell



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# File 'lib/row.rb', line 57

def resize()
  if(@cells && ! @cells.empty? )
    if(@cells.length == 1 )
      @ideal_height = @cells[0].ideal_height
    else
      @ideal_height = @cells.max{|c1, c2| c1.ideal_height <=> c2.ideal_height}.ideal_height 
    end
    @height = @ideal_height
  end
  @height ||= @@DEF_HEIGHT
end

#to_s ⇒ Object

returns a string representation of the row



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# File 'lib/row.rb', line 70

def to_s
  '#<' << self.class.name << ':' << object_id.to_s << "{number=%s height=%s cells.length=%s}" %[@number.to_s, @height.to_s, @cells.length.to_s] 
end