Class: ActionText::Attachment
| Relationships & Source Files | |
| Super Chains via Extension / Inclusion / Inheritance | |
| 
         Instance Chain: 
        
       | 
    |
| Inherits: | Object | 
| Defined in: | actiontext/lib/action_text/attachment.rb | 
Overview
Attachments serialize attachables to HTML or plain text.
class Person < ApplicationRecord
  include ActionText::Attachable
end
attachable = Person.create! name: "Javan"
 = ActionText::Attachment.from_attachable(attachable)
.to_html # => "<action-text-attachment sgid=\"BAh7CEk..."
  Constant Summary
- 
    ATTRIBUTES =
    
# File 'actiontext/lib/action_text/attachment.rb', line 24%w( sgid content-type url href filename filesize width height previewable presentation caption content ) 
Class Attribute Summary
- .tag_name (also: #tag_name) rw
 
Class Method Summary
Instance Attribute Summary
- #attachable readonly
 - #node readonly
 - #tag_name rw
 
Instance Method Summary
- #caption
 - #full_attributes
 - #inspect
 - 
    
      #to_html  
    
    
Converts the attachment to HTML.
 - #to_param
 - 
    
      #to_plain_text  
    
    
Converts the attachment to plain text.
 - #to_s
 - #with_full_attributes
 
Attachments::TrixConversion - Included
Attachments::Caching - Included
Constructor Details
    .new(node, attachable)  ⇒ Attachment 
  
# File 'actiontext/lib/action_text/attachment.rb', line 68
def initialize(node, attachable) @node = node @attachable = attachable end
Class Attribute Details
.tag_name (rw) Also known as: #tag_name
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 22
mattr_accessor :tag_name, default: "action-text-attachment"
Class Method Details
.fragment_by_canonicalizing_attachments(content)
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 27
def (content) ((content)) end
.from_attachable(attachable, attributes = {})
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 39
def from_attachable(attachable, attributes = {}) if node = node_from_attributes(attachable.to_rich_text_attributes(attributes)) new(node, attachable) end end
.from_attachables(attachables)
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 35
def from_attachables(attachables) Array(attachables).filter_map { |attachable| from_attachable(attachable) } end
.from_attributes(attributes, attachable = nil)
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 45
def from_attributes(attributes, attachable = nil) if node = node_from_attributes(attributes) from_node(node, attachable) end end
.from_node(node, attachable = nil)
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 31
def from_node(node, attachable = nil) new(node, attachable || ActionText::Attachable.from_node(node)) end
Instance Attribute Details
#attachable (readonly)
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 63
attr_reader :node, :attachable
#node (readonly)
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 63
attr_reader :node, :attachable
#tag_name (rw)
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 22
mattr_accessor :tag_name, default: "action-text-attachment"
Instance Method Details
#caption
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 73
def caption node_attributes["caption"].presence end
#full_attributes
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 77
def full_attributes node_attributes.merge(attachable_attributes).merge(sgid_attributes) end
#inspect
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 131
def inspect "#<#{self.class.name} attachable=#{attachable.inspect}>" end
#to_html
Converts the attachment to HTML.
attachable = Person.create! name: "Javan"
 = ActionText::Attachment.from_attachable(attachable)
.to_html # => "<action-text-attachment sgid=\"BAh7CEk...
  # File 'actiontext/lib/action_text/attachment.rb', line 123
def to_html HtmlConversion.node_to_html(node) end
#to_param
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 65
delegate :to_param, to: :attachable
#to_plain_text
Converts the attachment to plain text.
attachable = ActiveStorage::Blob.find_by filename: "racecar.jpg"
 = ActionText::Attachment.from_attachable(attachable)
.to_plain_text # => "[racecar.jpg]"
Use the #caption when set:
 = ActionText::Attachment.from_attachable(attachable, caption: "Vroom vroom")
.to_plain_text # => "[Vroom vroom]"
The presentation can be overridden by implementing the attachable_plain_text_representation method:
class Person < ApplicationRecord
  include ActionText::Attachable
  def attachable_plain_text_representation
    "[#{name}]"
  end
end
attachable = Person.create! name: "Javan"
 = ActionText::Attachment.from_attachable(attachable)
.to_plain_text # => "[Javan]"
  #to_s
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 127
def to_s to_html end
#with_full_attributes
[ GitHub ]# File 'actiontext/lib/action_text/attachment.rb', line 81
def with_full_attributes self.class.from_attributes(full_attributes, attachable) end