Class: PDFGen::Span

Inherits:
BaseRegion show all
Includes:
CaptionContainer, Composite, DivContainer, ImageContainer, SpanContainer, TableContainer
Defined in:
lib/span.rb

Overview

Horizontal captions line

Instance Attribute Summary collapse

Attributes inherited from BaseRegion

#parent

Attributes included from BaseAttributes

#background_color, #border_bottom, #border_color, #border_left, #border_right, #border_style, #border_top, #border_width, #height, #is_breakable, #pad_bottom, #pad_left, #pad_right, #pad_top, #page_pad_top, #width

Instance Method Summary collapse

Methods included from Composite

#[], #add_region, #apply_values, #elements, #page_pad_top=, #regions

Methods included from CaptionContainer

#caption

Methods included from ImageContainer

#image

Methods included from SpanContainer

#span

Methods included from DivContainer

#div

Methods included from TableContainer

#table

Methods inherited from BaseRegion

#check_fit_in_height, #document, #minimal_height, #set_properties, #value

Methods included from BaseAttributes

#av_width, #border=, #border_params, #breakable?, included, #paddings=, #var_init

Methods included from BaseAttributes::ClassMethods

#common_setter

Constructor Details

#initialize(parent) ⇒ Span

Returns a new instance of Span.



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# File 'lib/span.rb', line 18

def initialize(parent)
  super

  @vertical_interval = 0
  @vertical_align = false
end

Instance Attribute Details

#vertical_align ⇒ Object

Returns the value of attribute vertical_align.



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

def vertical_align
  @vertical_align
end

#vertical_interval ⇒ Object

Returns the value of attribute vertical_interval.



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

def vertical_interval
  @vertical_interval
end

Instance Method Details

#calculate_minimal_height ⇒ Object 



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# File 'lib/span.rb', line 27

def calculate_minimal_height
  render_regions
  (regions.collect{|region| region.height}.max || 0) + pad_top + pad_bottom
end

#render(pos, av_height, test = false) ⇒ Object 



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# File 'lib/span.rb', line 60

def render(pos, av_height, test=false)
  self.check_fit_in_height
  fill(pos) unless test
  add_border(pos) unless test
  super
end

#render_regions(x = 0, y = document.y, test = true) ⇒ Object

renders inner regions returns height of the region content



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# File 'lib/span.rb', line 34

def render_regions(x=0, y=document.y,  test=true)
  content_width = pad_left
  last = regions.last
  regions.each do |region|
    if region.breakable?
      region.check_fit_in_height
    end

    if (content_width + region.width) > self.width
      regions[regions.index(region), regions.size].each do |item|
        regions.delete(item)
      end
    else
      if vertical_align && !test
        region.height = self.height - self.pad_top - self.pad_bottom
      end
      region.render([(x + content_width), (y - pad_top)], y-pad_top) unless test

      content_width += region.width
      content_width += vertical_interval unless region == last
    end
  end

  content_width + pad_right
end