Module: Thinreports::SectionReport::Renderer::DrawItem

Included in:
SectionRenderer, StackViewRowRenderer
Defined in:
lib/thinreports/section_report/pdf/renderer/draw_item.rb

Instance Method Summary collapse

Instance Method Details

#draw_item(item, expanded_height = 0) ⇒ Object 



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# File 'lib/thinreports/section_report/pdf/renderer/draw_item.rb', line 7

def draw_item(item, expanded_height = 0)
  shape = item.internal

  if shape.type_of?(Core::Shape::TextBlock::TYPE_NAME)
    computed_height = shape.format.attributes['height']
    computed_height += expanded_height if shape.format.follow_stretch == 'height'

    if shape.style.finalized_styles['overflow'] == 'expand'
      # When overflow is "expand", the value of the height argument is ignored and the shape is expanded to
      # the bottom of the outer bounding box.
      # That causes a position shift problem if vertical-align is "middle" or "bottom".
      # To solve it, we overwrite the overflow to "truncate" when drawing.
      # To emulate the "expand" behavior in the "truncate" mode,
      # here we pass the greater value of the computed_height and the text height as text block height.
      pdf.draw_shape_tblock(shape, height: [computed_height, calc_text_block_height(shape)].max, overflow: :truncate)
    else
      pdf.draw_shape_tblock(shape, height: computed_height)
    end
  elsif shape.type_of?(Core::Shape::ImageBlock::TYPE_NAME)
    pdf.draw_shape_iblock(shape)
  elsif shape.type_of?('text')
    case shape.format.follow_stretch
    when 'height'
      pdf.draw_shape_text(shape, expanded_height)
    else
      pdf.draw_shape_text(shape)
    end
  elsif shape.type_of?('image')
    pdf.draw_shape_image(shape)
  elsif shape.type_of?('ellipse')
    pdf.draw_shape_ellipse(shape)
  elsif shape.type_of?('rect')
    case shape.format.follow_stretch
    when 'height'
      pdf.draw_shape_rect(shape, expanded_height)
    else
      pdf.draw_shape_rect(shape)
    end
  elsif shape.type_of?('line')
    case shape.format.follow_stretch
    when 'height'
      y1, y2 = shape.format.attributes.values_at('y1', 'y2')
      if y1 < y2
        pdf.draw_shape_line(shape, 0, expanded_height)
      else
        pdf.draw_shape_line(shape, expanded_height, 0)
      end
    when 'y'
      pdf.draw_shape_line(shape, expanded_height, expanded_height)
    else
      pdf.draw_shape_line(shape)
    end
  elsif shape.type_of?(Core::Shape::StackView::TYPE_NAME)
    stack_view_renderer.render(shape)
  else
    raise Thinreports::Errors::UnknownShapeType
  end
end