Module: Thinreports::SectionReport::Renderer::SectionHeight

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

Defined Under Namespace

Classes: LayoutInfo

Instance Method Summary collapse

Instance Method Details

#calc_float_content_bottom(section) ⇒ Object 



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# File 'lib/thinreports/section_report/pdf/renderer/section_height.rb', line 25

def calc_float_content_bottom(section)
  item_layouts = section.items.map { |item| item_layout(section, item.internal) }.compact
  item_layouts
    .map { |l| l.top_margin + l.content_height }
    .max.to_f
end

#calc_text_block_height(shape) ⇒ Object 



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# File 'lib/thinreports/section_report/pdf/renderer/section_height.rb', line 68

def calc_text_block_height(shape)
  height = 0

  pdf.draw_shape_tblock(shape) do |array, options|
    modified_options = options.merge(at: [0, 10_000], height: 10_000)
    height = pdf.pdf.height_of_formatted(array, modified_options)
  end
  height
end

#image_block_layout(section, shape) ⇒ Object 



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# File 'lib/thinreports/section_report/pdf/renderer/section_height.rb', line 56

def image_block_layout(section, shape)
  y, height = shape.format.attributes.values_at('y', 'height')
  if shape.style.finalized_styles['position-y'] == 'top'
    dimensions = pdf.shape_iblock_dimenions(shape)
    content_height = dimensions ? dimensions[1] : 0

    LayoutInfo.new(shape, content_height, y, section.schema.height - height - y)
  else
    static_layout(section, shape, y, height)
  end
end

#item_layout(section, shape) ⇒ Object 



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# File 'lib/thinreports/section_report/pdf/renderer/section_height.rb', line 32

def item_layout(section, shape)
  if shape.type_of?(Core::Shape::TextBlock::TYPE_NAME)
    text_layout(section, shape)
  elsif shape.type_of?(Core::Shape::StackView::TYPE_NAME)
    stack_view_layout(section, shape)
  elsif shape.type_of?(Core::Shape::ImageBlock::TYPE_NAME)
    image_block_layout(section, shape)
  elsif shape.type_of?('ellipse')
    cy, ry = shape.format.attributes.values_at('cy', 'ry')
    static_layout(section, shape, cy - ry, ry * 2)
  elsif shape.type_of?('line')
    y1, y2 = shape.format.attributes.values_at('y1', 'y2')
    static_layout(section, shape, [y1, y2].min, (y2 - y1).abs)
  else
    y, height = shape.format.attributes.values_at('y', 'height')
    raise ArgumentError.new("Unknown layout for #{shape}") if height == nil || y == nil
    static_layout(section, shape, y, height)
  end
end

#section_height(section) ⇒ Object 



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# File 'lib/thinreports/section_report/pdf/renderer/section_height.rb', line 9

def section_height(section)
  return [section.min_height || 0, section.schema.height].max if !section.schema.auto_stretch? || section.items.empty?

  item_layouts = section.items.map { |item| item_layout(section, item.internal) }.compact

  min_bottom_margin = item_layouts.each_with_object([]) do |l, margins|
    margins << l.bottom_margin if l.shape.format.affect_bottom_margin?
  end.min.to_f

  max_content_bottom = item_layouts.each_with_object([]) do |l, bottoms|
    bottoms << l.top_margin + l.content_height if l.shape.format.affect_bottom_margin?
  end.max.to_f

  [section.min_height || 0, max_content_bottom + min_bottom_margin].max
end

#stack_view_layout(section, shape) ⇒ Object 



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# File 'lib/thinreports/section_report/pdf/renderer/section_height.rb', line 90

def stack_view_layout(section, shape)
  schema_height = 0
  shape.format.rows.each {|row| schema_height += row.attributes['height']}

  y = shape.format.attributes['y']
  LayoutInfo.new(shape, stack_view_renderer.section_height(shape), y, section.schema.height - schema_height - y)
end

#static_layout(section, shape, y, height) ⇒ Object 



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# File 'lib/thinreports/section_report/pdf/renderer/section_height.rb', line 52

def static_layout(section, shape, y, height)
  LayoutInfo.new(shape, height, y, section.schema.height - height - y)
end

#text_layout(section, shape) ⇒ Object 



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# File 'lib/thinreports/section_report/pdf/renderer/section_height.rb', line 78

def text_layout(section, shape)
  y, schema_height = shape.format.attributes.values_at('y', 'height')

  content_height = if shape.style.finalized_styles['overflow'] == 'expand'
    [schema_height, calc_text_block_height(shape)].max
  else
    schema_height
  end

  LayoutInfo.new(shape, content_height, y, section.schema.height - schema_height - y)
end