Class: Html2Docx::DocumentObjects::Paragraph

Inherits:
Object
  • Object
show all
Defined in:
lib/Html2Docx/document_objects/paragraph.rb

Instance Method Summary collapse

Constructor Details

#initialize(document, relation, tmp_path) ⇒ Paragraph

Returns a new instance of Paragraph.



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 4

def initialize(document, relation, tmp_path)
  @document  = document
  @relation  = relation
  @tmp_path  = tmp_path
  @paragraph = nil
end

Instance Method Details

#add_bookmark_end_tag(name) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 31

def add_bookmark_end_tag(name)
  bookmark_end_tag = @relation.create_internal_link_end_tag(name, @document)
  @paragraph.add_child(bookmark_end_tag)
end

#add_bookmark_start_tag(name) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 26

def add_bookmark_start_tag(name)
  bookmark_start_tag = @relation.create_internal_link_start_tag(name, @document)
  @paragraph.add_child(bookmark_start_tag)
end

#add_font_color(text_style, color) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 204

def add_font_color(text_style, color)
  color_text = Nokogiri::XML::Node.new('w:color', @document)
  color_text['w:val'] = Helpers::DocumentHelper.convert_hex_color(color)
  text_style.add_child(color_text)

  text_style
end

#add_image(image) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 228

def add_image(image)
  image_object_helper = DocumentObjects::Image.new(@document, @relation, @tmp_path)
  image_object_helper.add_image(image)
end

#add_italic_text(text_style) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 197

def add_italic_text(text_style)
  italic_text = Nokogiri::XML::Node.new('w:i', @document)
  text_style.add_child(italic_text)

  text_style
end

#add_link_class(text_style) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 182

def add_link_class(text_style)
  r_style_tag = Nokogiri::XML::Node.new('w:rStyle', @document)
  r_style_tag['w:val'] = 'Hyperlink'
  text_style.add_child(r_style_tag)

  text_style
end

#add_paragraph(paragraph_object) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 11

def add_paragraph(paragraph_object)
  create_paragraph(paragraph_object)
end

#add_paragraph_alignment(value) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 89

def add_paragraph_alignment(value)
  align_tag = Nokogiri::XML::Node.new('w:jc', @document)
  value = value.downcase
  value = 'both' if value == 'justify'
  align_tag['w:val'] = value

  align_tag
end

#add_paragraph_background_color(value) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 98

def add_paragraph_background_color(value)
  background_tag = Nokogiri::XML::Node.new('w:shd', @document)
  background_tag['w:val'] = 'clear'
  background_tag['w:color'] = 'auto'
  background_tag['w:fill'] = Helpers::DocumentHelper.convert_hex_color(value)

  background_tag
end

#add_paragraph_child(children) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 114

def add_paragraph_child(children)
  children.each do |child|
    text_field = create_text_field
    text_style = create_text_style
    case child.name
      when 'strong'
        text_field.add_child add_strong_text(text_style)
      when 'i'
        text_field.add_child add_italic_text(text_style)
      when 'font'
        color = child.attr('color')
        text_field.add_child add_font_color(text_style, color) unless color.nil?
      when 'u'
        text_field.add_child add_underline_text(text_style)
      when 's'
        text_field.add_child add_stroke_text(text_style)
      when 'a'
        href = child.attr('href')
        hyperlink_tag = create_hyperlink_tag(href)
        text_field.add_child(add_link_class(text_style))
        hyperlink_tag.add_child(text_field)
        text_field.add_child add_paragraph_text(child.text)
        hyperlink_tag.add_child text_field
        @paragraph.add_child hyperlink_tag
        next
      when 'img'
        text_field.add_child add_image(child)
        @paragraph.add_child(text_field)
        next
    end

    paragraph_id = child.attr('id')

    add_bookmark_start_tag(paragraph_id) if paragraph_id
    text_field.add_child add_paragraph_text(child.text)
    add_bookmark_end_tag(paragraph_id) if paragraph_id
    @paragraph.add_child text_field
  end
end

#add_paragraph_class(value) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 82

def add_paragraph_class(value)
  class_tag = Nokogiri::XML::Node.new('w:pStyle', @document)
  class_tag['w:val'] = value

  class_tag
end

#add_paragraph_indent(value) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 75

def add_paragraph_indent(value)
  indent_tag = Nokogiri::XML::Node.new('w:ind',  @document)
  indent_tag['w:firstLine'] = Helpers::DocumentHelper.px_to_indent(value)

  indent_tag
end

#add_paragraph_line_height(value) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 107

def add_paragraph_line_height(value)
  line_height_tag = Nokogiri::XML::Node.new('w:spacing', @document)
  line_height_tag['w:line'] = Helpers::DocumentHelper.line_height(value)

  line_height_tag
end

#add_paragraph_style(paragraph_object) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 36

def add_paragraph_style(paragraph_object)
  paragraph_style  = Nokogiri::XML::Node.new('w:pPr',  @document)
  paragraph_styles = []

  style_attribute  = paragraph_object.attr('style')
  style_attributes = style_attribute.split(';') if style_attribute

  paragraph_class  = paragraph_object.attr('class')
  paragraph_class  = paragraph_class.split(' ')&.first if paragraph_class

  if style_attributes
    style_attributes.each do |style|
      style = style.strip
      attribute, value = style.scan(/(.+):\s?(.+);?/).flatten

      case attribute
        when 'text-indent'
          paragraph_styles.push add_paragraph_indent(value)
        when 'text-align'
          paragraph_styles.push add_paragraph_alignment(value)
        when 'background-color'
          paragraph_styles.push add_paragraph_background_color(value)
        when 'line-height'
          paragraph_styles.push add_paragraph_line_height(value)
      end
    end
  end

  unless paragraph_class.nil?
    paragraph_styles.push add_paragraph_class(paragraph_class)
  end

  paragraph_styles.each do |style|
    paragraph_style.add_child(style)
  end

  @paragraph.add_child(paragraph_style)
end

#add_paragraph_text(value) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 174

def add_paragraph_text(value)
  plain_text = Nokogiri::XML::Node.new('w:t', @document)
  plain_text['xml:space'] = 'preserve'
  plain_text.content = value

  plain_text
end

#add_stroke_text(text_style) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 220

def add_stroke_text(text_style)
  stroke_text = Nokogiri::XML::Node.new('w:dstrike ', @document)
  stroke_text['w:val'] = true
  text_style.add_child(stroke_text)

  text_style
end

#add_strong_text(text_style) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 190

def add_strong_text(text_style)
  strong_text = Nokogiri::XML::Node.new('w:b', @document)
  text_style.add_child(strong_text)

  text_style
end

#add_underline_text(text_style) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 212

def add_underline_text(text_style)
  underline_text = Nokogiri::XML::Node.new('w:u', @document)
  underline_text['w:val'] = 'single'
  text_style.add_child(underline_text)

  text_style
end

#create_hyperlink_tag(destination) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 162

def create_hyperlink_tag(destination)
  hyperlink_tag = Nokogiri::XML::Node.new('w:hyperlink', @document)

  if destination.start_with?('#')
    hyperlink_tag['w:anchor'] = destination.delete('#')
  else
    hyperlink_tag['r:id'] = @relation.create_external_link_id(destination)
  end

  hyperlink_tag
end

#create_paragraph(paragraph_object) ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 15

def create_paragraph(paragraph_object)
  @paragraph = Nokogiri::XML::Node.new('w:p', @document)

  paragraph_id     = paragraph_object.attr('id')

  add_paragraph_style paragraph_object
  add_bookmark_start_tag(paragraph_id) if paragraph_id
  add_paragraph_child paragraph_object.children
  add_bookmark_end_tag(paragraph_id) if paragraph_id
end

#create_text_field ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 154

def create_text_field
  Nokogiri::XML::Node.new('w:r',  @document)
end

#create_text_style ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 158

def create_text_style
  Nokogiri::XML::Node.new('w:rPr', @document)
end

#render ⇒ Object 



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# File 'lib/Html2Docx/document_objects/paragraph.rb', line 233

def render
  @paragraph
end