Class: Coradoc::Html::Converters::TableCell

Inherits:
Base
  • Object
show all
Defined in:
lib/coradoc/html/converters/table_cell.rb

Class Method Summary collapse

Methods inherited from Base

build_class_attribute, build_element, build_html_attributes, convert_content_to_html, convert_element_to_core, convert_node_to_core, escape_attribute, escape_html, extract_model_attributes, extract_node_attributes, extract_text_fallback, find_converter_class_by_name, find_converter_for_model, handle_unknown_content, render_core_abbreviation, render_core_annotation_block, render_core_bibliography, render_core_bibliography_entry, render_core_block, render_core_block_image, render_core_definition_item, render_core_definition_list, render_core_footnote, render_core_footnote_reference, render_core_inline_element, render_core_inline_image, render_core_list_block, render_core_list_item, render_core_span, render_core_structural_element, render_core_table_cell, render_core_table_row, render_core_term, render_core_toc, render_core_toc_entry, resolve_block_semantic_type, resolve_format_specific_semantic, transform_to_coremodel, treat_children

Class Method Details

.build_attributes(cell) ⇒ Object

Build HTML attributes from CoreModel::TableCell



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# File 'lib/coradoc/html/converters/table_cell.rb', line 52

def self.build_attributes(cell)
  attrs = []

  attrs << %( id="#{escape_attribute(cell.id)}") if cell.id

  attrs << %( colspan="#{cell.colspan}") if cell.colspan
  attrs << %( rowspan="#{cell.rowspan}") if cell.rowspan

  style_parts = []

  style_parts << "text-align: #{escape_attribute(cell.alignment)}" if cell.alignment
  style_parts << "vertical-align: #{escape_attribute(cell.vertical_alignment)}" if cell.vertical_alignment
  style_parts << "background-color: #{escape_attribute(cell.bgcolor)}" if cell.bgcolor
  style_parts << "color: #{escape_attribute(cell.color)}" if cell.color
  style_parts << "width: #{escape_attribute(cell.width)}" if cell.width
  style_parts << "height: #{escape_attribute(cell.height)}" if cell.height

  # Add style attribute if we have any styles
  attrs << %( style="#{style_parts.join('; ')}") if style_parts.any?

  attrs.join
end

.convert_item(item) ⇒ Object 



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# File 'lib/coradoc/html/converters/table_cell.rb', line 118

def self.convert_item(item)
  case item
  when String
    escape_html(item)
  else
    # Use convert_content_to_html for CoreModel types
    convert_content_to_html(item, {})
  end
end

.extract_cell_attributes(element) ⇒ Object 



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# File 'lib/coradoc/html/converters/table_cell.rb', line 148

def self.extract_cell_attributes(element)
  attrs = {}

  # Extract colspan
  attrs[:colspan] = element['colspan'].to_i if element['colspan']

  # Extract rowspan
  attrs[:rowspan] = element['rowspan'].to_i if element['rowspan']

  # Extract styles from style attribute
  if element['style']
    style = element['style']

    # Horizontal alignment
    if style.include?('text-align')
      align = style[/text-align:\s*(\w+)/, 1]
      attrs[:alignment] = align if align
    end

    # Vertical alignment
    if style.include?('vertical-align')
      valign = style[/vertical-align:\s*(\w+)/, 1]
      attrs[:vertical_alignment] = valign if valign
    end

    # Background color
    if style.include?('background-color')
      bgcolor = style[/background-color:\s*([^;]+)/, 1]
      attrs[:bgcolor] = bgcolor.strip if bgcolor
    end

    # Text color
    if style.include?('color:')
      color = style[/color:\s*([^;]+)/, 1]
      attrs[:color] = color.strip if color
    end

    # Width
    if style.include?('width:')
      width = style[/width:\s*([^;]+)/, 1]
      attrs[:width] = width.strip if width
    end

    # Height
    if style.include?('height:')
      height = style[/height:\s*([^;]+)/, 1]
      attrs[:height] = height.strip if height
    end
  end

  attrs
end

.extract_content(element) ⇒ Object 



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# File 'lib/coradoc/html/converters/table_cell.rb', line 128

def self.extract_content(element)
  # Extract content from the cell
  children = element.children

  if children.size == 1 && children.first.text?
    # Simple text content
    children.first.text
  else
    # Complex content with nested elements
    children.map do |child|
      if child.text?
        child.text
      else
        # Convert HTML element to CoreModel
        convert_node_to_core(child, {})
      end
    end.compact
  end
end

.process_content(cell) ⇒ Object 



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# File 'lib/coradoc/html/converters/table_cell.rb', line 97

def self.process_content(cell)
  return '' if cell.nil?

  # Use renderable_content if available (prefers children over content)
  content = if cell.renderable_content
              cell.renderable_content
            elsif cell.children.any?
              cell.children
            elsif cell.content
              cell.content
            else
              cell
            end

  if content.is_a?(Array)
    content.map { |item| convert_item(item) }.join
  else
    convert_item(content)
  end
end

.to_coradoc(element, _options = {}) ⇒ Object

Convert HTML <td> or <th> to CoreModel::TableCell



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# File 'lib/coradoc/html/converters/table_cell.rb', line 32

def self.to_coradoc(element, _options = {})
  return nil unless %w[td th].include?(element.name)

  # Determine if this is a header cell
  is_header = element.name == 'th'

  # Extract content - could be text or nested elements
  content = extract_content(element)

  # Extract cell attributes
  attrs = extract_cell_attributes(element)

  Coradoc::CoreModel::TableCell.new(
    content: content,
    header: is_header,
    **attrs.compact
  )
end

.to_html(cell, _options = {}) ⇒ String

Convert CoreModel::TableCell to HTML <td> or <th>

Parameters:

  • cell (Coradoc::CoreModel::TableCell) —

    Table cell model

  • _options (Hash) (defaults to: {}) —

    Conversion options

Returns:

  • (String) —

    HTML string



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# File 'lib/coradoc/html/converters/table_cell.rb', line 12

def self.to_html(cell, _options = {})
  return '' unless cell

  # Check if this is a header cell
  is_header = cell.header == true
  tag = is_header ? 'th' : 'td'

  # Build cell attributes
  attrs = build_attributes(cell)

  # Process cell content
  content = process_content(cell)

  # Wrap content in style tags if needed
  content = wrap_with_style(content, cell)

  "<#{tag}#{attrs}>#{content}</#{tag}>"
end

.wrap_with_style(content, cell) ⇒ Object

Wrap content with style tags based on cell style



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# File 'lib/coradoc/html/converters/table_cell.rb', line 76

def self.wrap_with_style(content, cell)
  return content unless cell.style

  case cell.style.to_s.downcase
  when 'strong', 's'
    "<strong>#{content}</strong>"
  when 'emphasis', 'e'
    "<em>#{content}</em>"
  when 'monospace', 'm'
    "<code>#{content}</code>"
  when 'literal', 'l'
    # Literal content - preserve whitespace
    "<pre>#{content}</pre>"
  when 'verse', 'v'
    # Verse content - preserve formatting
    "<div class=\"verse\">#{content}</div>"
  else
    content
  end
end