Class: Pulo::FrameRow

Inherits:
Object
  • Object
show all
Defined in:
lib/pulo/frames/frame_row.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent_frame, row_number) ⇒ FrameRow 



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# File 'lib/pulo/frames/frame_row.rb', line 5

def initialize(parent_frame, row_number)
  @cells=[]
  @parent_frame=parent_frame
  @row_number=row_number
end

Instance Attribute Details

#cells ⇒ Object (readonly)

Returns the value of attribute cells.



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# File 'lib/pulo/frames/frame_row.rb', line 3

def cells
  @cells
end

#row_number ⇒ Object

Returns the value of attribute row_number.



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# File 'lib/pulo/frames/frame_row.rb', line 4

def row_number
  @row_number
end

Instance Method Details

#[](column) ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 19

def [](column)
  if column.is_a?(Integer)
    raise IndexError,"No column number #{column} defined." unless @cells[column]
    @cells[column]
  else
    @parent_frame[column][@row_number]
  end
end

#append_column(cell) ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 11

def append_column(cell)
  @cells<<cell
end

#delete_column(index) ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 15

def delete_column(index)
  @cells.delete_at index
end

#first_row? ⇒ Boolean 



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# File 'lib/pulo/frames/frame_row.rb', line 83

def first_row?
  @row_number==0
end

#inspect ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 63

def inspect
  "Frame Row Object"
end

#next_row ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 52

def next_row
  if @row_number<@parent_frame.row_count
    @parent_frame.rows[@row_number+1]
  else
    nil
  end
end

#next_rows ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 36

def next_rows
  Enumerator.new do |y|
    for i in (@row_number+1)..@parent_frame.row_count-1
      y.yield @parent_frame.rows[i]
    end
  end
end

#previous_row ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 44

def previous_row
  if @row_number>0
    @parent_frame.rows[@row_number-1]
  else
    nil
  end
end

#previous_rows ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 28

def previous_rows
  Enumerator.new do |y|
    for i in (0..(@row_number-1)).reverse_each
      y.yield @parent_frame.rows[i]
    end
  end
end

#to_a ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 67

def to_a
  @cells.map {|cell| cell.value}
end

#to_a_values ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 71

def to_a_values
  value_cells.map {|cell| cell.value}
end

#to_h ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 79

def to_h
  Hash[@parent_frame.column_names.keys.to_a.zip(to_a)]
end

#to_s ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 60

def to_s
  "row #{@row_number}:".ljust(9,' ') + " #{((@cells.select {|s| !s.column.hidden?}).map {|c| c.to_s}).join('  ')}"
end

#value_cells ⇒ Object 



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# File 'lib/pulo/frames/frame_row.rb', line 75

def value_cells
  @cells.find_all { |cell| cell.value_column?}
end