Class: Pdfrb::Layout::TableBox

Inherits:
Box
  • Object
show all
Defined in:
lib/pdfrb/layout/table_box.rb

Overview

A table of cells. Each cell holds a Box. Column widths are auto unless specified; row heights computed from content.

Instance Attribute Summary collapse

Attributes inherited from Box

#height, #style, #width

Instance Method Summary collapse

Methods inherited from Box

#draw, #supports_position_flow?

Constructor Details

#initialize(rows:, column_widths: nil) ⇒ TableBox

Returns a new instance of TableBox.



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# File 'lib/pdfrb/layout/table_box.rb', line 10

def initialize(rows:, column_widths: nil, **)
  super(**)
  @rows = rows
  @column_widths = column_widths
end

Instance Attribute Details

#column_widths ⇒ Object (readonly)

Returns the value of attribute column_widths.



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# File 'lib/pdfrb/layout/table_box.rb', line 8

def column_widths
  @column_widths
end

#rows ⇒ Object (readonly)

Returns the value of attribute rows.



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# File 'lib/pdfrb/layout/table_box.rb', line 8

def rows
  @rows
end

Instance Method Details

#draw_content(canvas, x, y) ⇒ Object 



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# File 'lib/pdfrb/layout/table_box.rb', line 34

def draw_content(canvas, x, y)
  offset_y = y
  @rows.each do |row|
    max_h = 0
    offset_x = x
    row.each_with_index do |cell, col|
      cell.draw(canvas, offset_x, offset_y)
      offset_x += @column_widths[col]
      max_h = cell.height if cell.height > max_h
    end
    offset_y -= max_h
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdfrb/layout/table_box.rb', line 48

def empty?
  @rows.empty?
end

#fit?(available_width, available_height) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdfrb/layout/table_box.rb', line 16

def fit?(available_width, available_height)
  compute_column_widths(available_width)
  remaining = available_height
  @rows.each do |row|
    row_heights = []
    row.each_with_index do |cell, col|
      cell_w = @column_widths[col]
      cell.fit?(cell_w, remaining) or return false
      row_heights << cell.height
    end
    row_h = row_heights.max || 0
    remaining -= row_h
  end
  @width = available_width
  @height = available_height - remaining
  true
end