Class: DynamicScaffold::Form::Item::CarrierWaveImage

Inherits:
Base
  • Object
show all
Defined in:
lib/dynamic_scaffold/form/item/carrier_wave_image.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#multiple, #name, #parent_item

Instance Method Summary collapse

Methods inherited from Base

create, #default, #default_value, #errors, #if, #insert, #label, #label?, #needs_rendering?, #note, #notes?, #proxy, #proxy_field, #render_label, #render_notes, #type?, #unique_name, #unless

Constructor Details

#initialize(config, type, name, options = {}) ⇒ CarrierWaveImage

Returns a new instance of CarrierWaveImage.



8
9
10
11
12
 
# File 'lib/dynamic_scaffold/form/item/carrier_wave_image.rb', line 8

def initialize(config, type, name, options = {})
  super(config, type, name, {})
  @options = options
  @options[:removable] = true if @options[:removable].nil?
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



7
8
9
 
# File 'lib/dynamic_scaffold/form/item/carrier_wave_image.rb', line 7

def options
  @options
end

Instance Method Details

#cropper ⇒ Object 



14
15
16
17
18
19
 
# File 'lib/dynamic_scaffold/form/item/carrier_wave_image.rb', line 14

def cropper
  return nil unless @options.key? :cropper
  return {} if @options[:cropper] == true

  @options[:cropper]
end

#extract_parameters(permitting) ⇒ Object 



36
37
38
39
40
41
 
# File 'lib/dynamic_scaffold/form/item/carrier_wave_image.rb', line 36

def extract_parameters(permitting)
  # If you do not permit before the image body you can not use cropper value in uploader.
  permitting << "cropper_#{@name}" unless cropper.nil?
  permitting << "remove_#{@name}" if @options[:removable]
  permitting.concat(["#{@name}_cache", @name])
end

#preview_image_style ⇒ Object 



21
22
23
24
25
26
27
28
29
 
# File 'lib/dynamic_scaffold/form/item/carrier_wave_image.rb', line 21

def preview_image_style
  max_size = @options[:preview_max_size]
  return '' unless max_size

  ' '.tap do |s|
    s << "max-width: #{max_size[:width]};" if max_size[:width]
    s << "max-height: #{max_size[:height]};" if max_size[:height]
  end
end

#render(_view, _form, classnames = nil) {|html_attributes| ... } ⇒ Object

Yields:

  • (html_attributes) 


31
32
33
34
 
# File 'lib/dynamic_scaffold/form/item/carrier_wave_image.rb', line 31

def render(_view, _form, classnames = nil)
  html_attributes = build_html_attributes(classnames)
  yield(html_attributes)
end