Class: Effective::FormInputs::FileField

Inherits:
Effective::FormInput show all
Defined in:
app/models/effective/form_inputs/file_field.rb

Constant Summary

Constants inherited from Effective::FormInput

Effective::FormInput::BLANK, Effective::FormInput::DEFAULT_FEEDBACK_OPTIONS, Effective::FormInput::DEFAULT_INPUT_GROUP_OPTIONS, Effective::FormInput::EMPTY_HASH, Effective::FormInput::EXCLUSIVE_CLASS_PREFIXES, Effective::FormInput::EXCLUSIVE_CLASS_SUFFIXES, Effective::FormInput::HORIZONTAL_LABEL_OPTIONS, Effective::FormInput::HORIZONTAL_WRAPPER_OPTIONS, Effective::FormInput::INLINE_LABEL_OPTIONS, Effective::FormInput::VERTICAL_WRAPPER_OPTIONS

Instance Attribute Summary

Attributes inherited from Effective::FormInput

#name, #options

Instance Method Summary collapse

Methods inherited from Effective::FormInput

#feedback_options, #hint_options, #initialize, #input_group_options, #input_js_options, #label_options, #to_html, #wrapper_options

Constructor Details

This class inherits a constructor from Effective::FormInput

Instance Method Details

#attachments_blank? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/form_inputs/file_field.rb', line 43

def attachments_blank?
  Array(object.public_send(name)).length == 0
end

#attachments_present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/form_inputs/file_field.rb', line 39

def attachments_present?
  Array(object.public_send(name)).length > 0
end

#attachments_style ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 186

def attachments_style
  @attachments_style ||= (options[:input].delete(:attachments_style) || options[:input].delete(:attachment_style) || :card)
end

#build_attachments ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 60

def build_attachments
  return ''.html_safe unless object.respond_to?(name) && object.send(name).respond_to?(:attached?) && object.send(name).attached?

  attachments = object.send(name).respond_to?(:length) ? object.send(name) : [object.send(name)]

  case attachments_style
  when :card
    build_card_attachments(attachments)
  when :table, :ck_assets
    build_table_attachments(attachments)
  else
    raise('unsupported attachments_style, try :card or :table')
  end
end

#build_card_attachment(attachment) ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 116

def build_card_attachment(attachment)
  url = (@template.url_for(attachment) rescue false)
  url ||= (Rails.application.routes.url_helpers.rails_blob_path(attachment, only_path: true) rescue false)

  return unless url

  content_tag(:div, class: 'col') do
    content_tag(:div, class: 'card mb-3') do
      if attachment.image?
        content_tag(:div, class: 'card-body') do
          image_tag(url, alt: attachment.filename.to_s, class: 'img-fluid') +
          link_to(attachment.filename, url, class: 'card-link')
        end
      else
        content_tag(:div, class: 'card-body') do
          content_tag(:p, link_to(attachment.filename, url, class: 'card-link'), class: 'card-text') +
          content_tag(:p, class: 'card-text') do
            (attachment.content_type + '<br>' + @template.number_to_human_size(attachment.byte_size)).html_safe
          end
        end

      end.html_safe
    end
  end
end

#build_card_attachments(attachments) ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 112

def build_card_attachments(attachments)
  content_tag(:div, attachments.map { |attachment| build_card_attachment(attachment) }.join.html_safe, class: 'effective_file_attachments row')
end

#build_existing_attachments ⇒ Object

This has the affect of appending files to the has_many. Which usually isnt what we want



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# File 'app/models/effective/form_inputs/file_field.rb', line 48

def build_existing_attachments
  attachments = Array(object.send(name))

  attachments.map.with_index do |attachment, index|
    if multiple?
      @builder.hidden_field(name, multiple: true, id: (tag_id + "_#{index}"), value: attachment.signed_id)
    else
      @builder.hidden_field(name, id: tag_id, value: attachment.signed_id)
    end
  end.join.html_safe
end

#build_input(&block) ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 7

def build_input(&block)
  case attachments_style
  when :card
    build_existing_attachments + build_attachments + build_uploads_and_purge(super)
  when :table, :ck_assets
    build_existing_attachments + build_uploads_and_purge(super) + build_attachments
  else
    raise('unsupported attachments_style, try :card or :table')
  end
end

#build_purge ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 164

def build_purge
  return ''.html_safe unless purge? && !disabled?

  label = (multiple? ? 'Delete existing files on save' : 'Delete existing file on save')
  @builder.check_box('_purge', multiple: true, label: label, id: "#{tag_id}_purge", checked_value: name)
end

#build_table_attachment(attachment) ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 91

def build_table_attachment(attachment)
  url = (@template.url_for(attachment) rescue false)
  url ||= (Rails.application.routes.url_helpers.rails_blob_path(attachment, only_path: true) rescue false)

  return unless url

  image_tag = content_tag(:img, '', class: '', src: url, alt: attachment.filename.to_s) if attachment.image?
  link_tag = link_to(attachment.filename, url)
  size_tag = (attachment.content_type + '<br>' + @template.number_to_human_size(attachment.byte_size)).html_safe

  content_tag(:td, image_tag) +
  content_tag(:td, link_tag) +
  content_tag(:td, size_tag) +

  content_tag(:td) do
    if attachments_style == :ck_assets
      link_to('Attach', url, class: 'btn btn-primary', 'data-insert-ck-asset': true, alt: attachment.filename.to_s)
    end
  end
end

#build_table_attachments(attachments) ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 75

def build_table_attachments(attachments)
  content_tag(:table, class: 'table table-hover effective_file_attachments') do
    content_tag(:thead) do
      content_tag(:tr) do
        content_tag(:th, 'Image') +
        content_tag(:th, 'Title') +
        content_tag(:th, 'Size') +
        content_tag(:th, '')
      end
    end +
    content_tag(:tbody) do
      attachments.map { |attachment| content_tag(:tr, build_table_attachment(attachment)) }.join.html_safe
    end
  end
end

#build_uploads ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 153

def build_uploads
  content_tag(:div, '', class: 'uploads')
end

#build_uploads_and_purge(super_file_field) ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 142

def build_uploads_and_purge(super_file_field)
  if purge? && attachments_present?
    content_tag(:div, class: 'd-flex align-items-center') do
      content_tag(:div, (build_uploads + super_file_field), class: 'flex-grow-1 mr-3') +
      content_tag(:div, build_purge)
    end
  else
    build_uploads + super_file_field
  end
end

#click_submit? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/form_inputs/file_field.rb', line 181

def click_submit?
  return @click_submit unless @click_submit.nil?
  @click_submit ||= (options.delete(:click_submit) || false)
end

#input_html_options ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 18

def input_html_options
  {
    id: tag_id,
    class: 'form-control form-control-file btn-outline-secondary',
    multiple: multiple?,
    direct_upload: true,
    'data-direct-upload-url': @template.main_app.rails_direct_uploads_url,
    'data-progress-template': progress_template,
    'data-click-submit': (true if click_submit?),
  }.compact
end

#multiple? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/form_inputs/file_field.rb', line 30

def multiple?
  return @multiple unless @multiple.nil?
  @multiple = options.key?(:multiple) ? options.delete(:multiple) : (name.to_s.pluralize == name.to_s)
end

#progress_template ⇒ Object 



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# File 'app/models/effective/form_inputs/file_field.rb', line 157

def progress_template
  content_tag(:div, class: 'direct-upload direct-upload--pending', 'data-direct-upload-id': '$ID$') do
    content_tag(:div, '', class: 'direct-upload__progress', style: 'width: 0%') +
    content_tag(:span, '$FILENAME$', class: 'direct-upload__filename')
  end
end

#purgable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/form_inputs/file_field.rb', line 176

def purgable?
  return false unless object.class.try(:has_many_purgable?)
  object.has_many_purgable_names.include?(name.to_sym)
end

#purge? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/form_inputs/file_field.rb', line 171

def purge?
  return @purge unless @purge.nil?
  @purge = options[:input].key?(:purge) ? (options[:input].delete(:purge) && purgable?) : purgable?
end

#required_presence?(obj, name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/effective/form_inputs/file_field.rb', line 35

def required_presence?(obj, name)
  super(obj, name) && attachments_blank?
end