Class: Prune::Parsers::TrParser

Inherits:
Base
  • Object
show all
Defined in:
lib/prune/parsers/document/page/table/tr_parser.rb

Overview

Parser for directive “tr”.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Prune::PObjects

pa, pd, ph, pl, pn, ps

Methods included from Functions

#mm_to_pt, #pt_to_mm

Constructor Details

#initialize(table, options = {}) ⇒ TrParser

Initialize.



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# File 'lib/prune/parsers/document/page/table/tr_parser.rb', line 13

def initialize(table, options = {})
  @table = table
  @options = options
  # Boundary of this object.
  @x = @table.page.x
  @y = @table.page.y
  @width = 0.0
  @height = 0.0
  @widths = options[:widths] || @table.options[:widths] || []

  # All td tags inside this tag.
  @tds = []
end

Instance Attribute Details

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/prune/parsers/document/page/table/tr_parser.rb', line 10

def height
  @height
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/prune/parsers/document/page/table/tr_parser.rb', line 9

def width
  @width
end

#x ⇒ Object (readonly)

Returns the value of attribute x.



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# File 'lib/prune/parsers/document/page/table/tr_parser.rb', line 7

def x
  @x
end

#y ⇒ Object (readonly)

Returns the value of attribute y.



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# File 'lib/prune/parsers/document/page/table/tr_parser.rb', line 8

def y
  @y
end

Instance Method Details

#render ⇒ Object

Render td tags.



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# File 'lib/prune/parsers/document/page/table/tr_parser.rb', line 28

def render
  prev_td = nil
  orig_x = @table.page.x
  orig_y = @table.page.y

  # Get width of the table line.
  @width = @tds.inject(0.0){|result, td| result += td.width}
  # Get the highest column height and set it to all columns.
  @height = @tds.sort_by{|td| td.height}[-1].height

  # Render each td tags.
  @tds.each_with_index do |td, index|
    # Set td height to highest.
    td.height = @height
    # Set x of the page.
    unless prev_td.nil?
      td.x = prev_td.x + prev_td.width
      @table.page.x = td.x
    end
    prev_td = td
    td.render
  end

  # Set x,y to next line position.
  @table.page.x = orig_x
  @table.page.y = orig_y - @height
end