Module: X::Editable::Rails::ViewHelpers

Defined in:
lib/x-editable-rails/view_helpers.rb

Instance Method Summary collapse

Instance Method Details

#editable(object, method, options = {}) ⇒ Object

Options determine how the HTML tag is rendered and the remaining options are converted to data-* attributes.

options:

tag:   tag name of element returned
class: "class" attribute on element
placeholder: "placeholder" attribute on element
title: "title" attribute on element (defaults to placeholder)
data:  "data-*" attributes on element
  source: a Hash of friendly display values used by input elements based on (object) value
    - boolean shorthand ['Enabled', 'Disabled'] becomes { '1' => 'Enabled', '0' => 'Disabled' }
    - enumerable shorthand ['Yes', 'No', 'Maybe'] becomes { 'Yes' => 'Yes', 'No' => 'No', 'Maybe' => 'Maybe' }
  classes: a Hash of classes to add based on the value (same format and shorthands as source)
value: override the object's value



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# File 'lib/x-editable-rails/view_helpers.rb', line 22

def editable(object, method, options = {})
  options = Configuration.method_options_for(object, method).deep_merge(options).with_indifferent_access
  # merge data attributes for backwards-compatibility
  options.merge! options.delete(:data){ Hash.new }

  url     = options.delete(:url){ polymorphic_path(object) }
  object  = object.last if object.kind_of?(Array)
  value   = options.delete(:value){ object.send(method) }
  source  = options[:source] ? format_source(options.delete(:source), value) : default_source_for(value)
  classes = format_source(options.delete(:classes), value)
  error   = options.delete(:e)
  html_options = options.delete(:html){ Hash.new }

  if xeditable?(object)
    model   = object.class.model_name.param_key
    nid     = options.delete(:nid)
    nested  = options.delete(:nested)
    title   = options.delete(:title) do
      klass = nested ? object.class.const_get(nested.to_s.classify) : object.class
      klass.human_attribute_name(method)
    end

    output_value = output_value_for(value)
    css_list = options.delete(:class).to_s.split(/\s+/).unshift('editable')
    css_list << classes[output_value] if classes
    type = options.delete(:type){ default_type_for(value) }
    css   = css_list.compact.uniq.join(' ')
    tag   = options.delete(:tag){ 'span' }
    placeholder = options.delete(:placeholder){ title }

    # any remaining options become data attributes
    data  = {
      type:   type,
      model:  model,
      name:   method,
      value:  ( type == 'wysihtml5' ? Base64.encode64(output_value) : output_value ), 
      placeholder: placeholder,
      classes: classes,
      source: source,
      url:    url,
      nested: nested,
      nid:    nid
    }.merge(options.symbolize_keys)

    data.reject!{|_, value| value.nil?}

    html_options.update({
      class: css,
      title: title,
      data: data
    })

    content_tag tag, html_options do
      if %w(select checklist).include?(data[:type].to_s) && !source.is_a?(String)
        source = normalize_source(source)
        content = source.detect { |t| output_value == output_value_for(t[0]) }
        content.present? ? content[1] : ""
      else
        safe_join(source_values_for(value, source), tag(:br))
      end
    end
  else
    error || safe_join(source_values_for(value, source), tag(:br))
  end
end