Module: ActiveScaffold::Helpers::FormColumnHelpers

Included in:
ViewHelpers
Defined in:
lib/active_scaffold/bridges/file_column/form_ui.rb,
lib/active_scaffold/bridges/dragonfly/form_ui.rb,
lib/active_scaffold/bridges/paperclip/form_ui.rb,
lib/active_scaffold/bridges/carrierwave/form_ui.rb,
lib/active_scaffold/helpers/form_column_helpers.rb

Overview

Helpers that assist with the rendering of a Form Column

Instance Method Summary collapse

Instance Method Details

#active_scaffold_add_existing_input(options) ⇒ Object 



425
426
427
428
429
430
431
432
433
434
435
436
437
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 425

def active_scaffold_add_existing_input(options)
  if ActiveScaffold.js_framework == :prototype && controller.respond_to?(:record_select_config, true)
    remote_controller = active_scaffold_controller_for(record_select_config.model).controller_path
    options.merge!(:controller => remote_controller)
    options.merge!(active_scaffold_input_text_options)
    record_select_field(options[:name], @record, options)
  else
    select_options = sorted_association_options_find(nested.association)
    select_options ||= active_scaffold_config.model.all
    select_options = options_from_collection_for_select(select_options, :id, :to_label)
    select_tag 'associated_id', ('<option value="">' + as_(:_select_) + '</option>' + select_options).html_safe unless select_options.empty?
  end
end

#active_scaffold_add_existing_label ⇒ Object 



439
440
441
442
443
444
445
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 439

def active_scaffold_add_existing_label
  if controller.respond_to?(:record_select_config, true)
    record_select_config.model.model_name.human
  else
    active_scaffold_config.model.model_name.human
  end
end

#active_scaffold_checkbox_list(column, select_options, associated_ids, options) ⇒ Object 



231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 231

def active_scaffold_checkbox_list(column, select_options, associated_ids, options)
  html = hidden_field_tag("#{options[:name]}[]", '', :id => nil)
  html << content_tag(:ul, :class => "#{options[:class]} checkbox-list", :id => options[:id]) do
    content = ''.html_safe
    select_options.each_with_index do |option, i|
      label, id = option
      this_id = "#{options[:id]}_#{i}_id"
      content << content_tag(:li) do 
        check_box_tag("#{options[:name]}[]", id, associated_ids.include?(id), :id => this_id) <<
        content_tag(:label, h(label), :for => this_id)
      end
    end
    content
  end
  html << javascript_tag("ActiveScaffold.draggable_lists('#{options[:id]}')") if column.options[:draggable_lists]
  html
end

#active_scaffold_enum_options(column) ⇒ Object 



254
255
256
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 254

def active_scaffold_enum_options(column)
  column.options[:options]
end

#active_scaffold_grouped_options(column, select_options, optgroup) ⇒ Object

Form input methods



185
186
187
188
189
190
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 185

def active_scaffold_grouped_options(column, select_options, optgroup)
  group_label = active_scaffold_config_for(column.association.klass).columns[optgroup].try(:association) ? :to_label : :to_s
  select_options.group_by(&optgroup.to_sym).collect do |group, options|
    [group.send(group_label), options.collect {|r| [r.to_label, r.id]}]
  end
end

#active_scaffold_input_boolean(column, options) ⇒ Object

Column.type-based inputs



344
345
346
347
348
349
350
351
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 344

def active_scaffold_input_boolean(column, options)
  select_options = []
  select_options << [as_(:_select_), nil] if !column.virtual? && column.column.null
  select_options << [as_(:true), true]
  select_options << [as_(:false), false]

  select_tag(options[:name], options_for_select(select_options, @record.send(column.name)), options)
end

#active_scaffold_input_carrierwave(column, options) ⇒ Object 



4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/active_scaffold/bridges/carrierwave/form_ui.rb', line 4

def active_scaffold_input_carrierwave(column, options)
  options = active_scaffold_input_text_options(options.merge(column.options))
  carrierwave = @record.send("#{column.name}")
  if !carrierwave.file.blank?

    remove_field_options = {
      :name => options[:name].gsub(/\[#{column.name}\]$/, "[remove_#{column.name}]"),
      :id => 'remove_' + options[:id],
      :value => false
    }

    cache_field_options = {
      :name => options[:name].gsub(/\[#{column.name}\]$/, "[#{column.name}_cache]"),
      :id => options[:id] + '_cache'
    }

    if ActiveScaffold.js_framework == :jquery
      js_remove_file_code = "$(this).prev('input#remove_#{options[:id]}').val('true'); $(this).parent().hide().next().show(); return false;";
      js_dont_remove_file_code = "$(this).parents('div.carrierwave_controls').find('input#remove_#{options[:id]}').val('false'); return false;";
    else
      js_remove_file_code = "$(this).previous('input#remove_#{options[:id]}').value='true'; $(this).up().hide().next().show(); return false;";
      js_dont_remove_file_code = "$(this).up('div.carrierwave_controls').down('input#remove_#{options[:id]}').value='false'; return false;";
    end

    input = file_field(:record, column.name, options.merge(:onchange => js_dont_remove_file_code))
    content_tag( :div,
      content_tag(:div, (
          get_column_value(@record, column) + " | " +
            hidden_field(:record, "#{column.name}_cache", cache_field_options) +
            hidden_field(:record, "remove_#{column.name}", remove_field_options) +
            content_tag(:a, as_(:remove_file), {:href => '#', :onclick => js_remove_file_code})
        ).html_safe
      ) + content_tag(:div, input, :style => "display: none"),
      :class => 'carrierwave_controls'
    )
  else
    file_field(:record, column.name, options)
  end
end

#active_scaffold_input_checkbox(column, options) ⇒ Object 



287
288
289
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 287

def active_scaffold_input_checkbox(column, options)
  check_box(:record, column.name, options.merge(column.options))
end

#active_scaffold_input_dragonfly(column, options) ⇒ Object 



4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/active_scaffold/bridges/dragonfly/form_ui.rb', line 4

def active_scaffold_input_dragonfly(column, options)
  options = active_scaffold_input_text_options(options.merge(column.options))
  input = file_field(:record, column.name, options)
  dragonfly = @record.send("#{column.name}")
  if dragonfly.present?
    if ActiveScaffold.js_framework == :jquery
      js_remove_file_code = "$(this).prev().val('true'); $(this).parent().hide().next().show(); return false;";
    else
      js_remove_file_code = "$(this).previous().value='true'; $(this).up().hide().next().show(); return false;";
    end
    
    content = active_scaffold_column_dragonfly(@record, column)
    content_tag(:div,
      content + " | " +
        hidden_field(:record, "remove_#{column.name}", :value => "false") +
        content_tag(:a, as_(:remove_file), {:href => '#', :onclick => js_remove_file_code}) 
    ) + content_tag(:div, input, :style => "display: none")
  else
    input
  end
end

#active_scaffold_input_email(column, options) ⇒ Object

A text box, that accepts only valid email address (in-browser validation)



309
310
311
312
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 309

def active_scaffold_input_email(column, options)
  options = active_scaffold_input_text_options(options)
  email_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_enum(column, html_options) ⇒ Object 



258
259
260
261
262
263
264
265
266
267
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 258

def active_scaffold_input_enum(column, html_options)
  options = { :selected => @record.send(column.name), :object => html_options.delete(:object) }
  options_for_select = active_scaffold_enum_options(column).collect do |text, value|
    active_scaffold_translated_option(column, text, value)
  end
  html_options.update(column.options[:html_options] || {})
  options.update(column.options)
  active_scaffold_translate_select_options(options)
  select(:record, column.name, options_for_select, options, html_options)
end

#active_scaffold_input_file_column(column, options) ⇒ Object 



5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/active_scaffold/bridges/file_column/form_ui.rb', line 5

def active_scaffold_input_file_column(column, options)
 if @record.send(column.name) 
    # we already have a value? display the form for deletion.
    if ActiveScaffold.js_framework == :jquery
      remove_file_js = "$(this).prev().val('true'); $(this).parent().hide().next().show(); return false;";
    else
      remove_file_js = "$(this).previous().value='true'; p=$(this).up(); p.hide(); p.next().show(); return false;";
    end            
    
    hidden_options = options.dup
    hidden_options[:id] += '_delete'
    hidden_options[:name].sub!("[#{column.name}]", "[delete_#{column.name}]")
    hidden_options[:value] = 'false'          
    custom_hidden_field_tag = hidden_field(:record, column.name, hidden_options)

    content_tag(:div) do
      content_tag(:div) do
        content = get_column_value(@record, column) + " #{custom_hidden_field_tag} | ".html_safe
        content += content_tag(:a, as_(:remove_file), {:href => '#', :onclick => remove_file_js})
        content += content_tag(:div, file_column_field("record", column.name, options), :style => "display: none")
      end           
    end
 else
    file_column_field("record", column.name, options)          
 end        
end

#active_scaffold_input_for(column, scope = nil, options = nil) ⇒ Object

This method decides which input to use for the given column. It does not do any rendering. It only decides which method is responsible for rendering.



7
8
9
10
11
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 7

def active_scaffold_input_for(column, scope = nil, options = nil)
  options ||= active_scaffold_input_options(column, scope)
  options = update_columns_options(column, scope, options)
  active_scaffold_render_input(column, options)
end

#active_scaffold_input_number(column, options) ⇒ Object

A spinbox control for number values (in-browser validation)



327
328
329
330
331
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 327

def active_scaffold_input_number(column, options)
  options = numerical_constraints_for_column(column, options)
  options = active_scaffold_input_text_options(options)
  number_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_options(column, scope = nil, options = {}) ⇒ Object

the standard active scaffold options used for class, name and scope



88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 88

def active_scaffold_input_options(column, scope = nil, options = {})
  name = scope ? "record#{scope}[#{column.name}]" : "record[#{column.name}]"

  # Add some HTML5 attributes for in-browser validation and better user experience
  if column.required? && (!@disable_required_for_new || scope.nil? || @record.persisted?)
    options[:required] = true
  end
  options[:placeholder] = column.placeholder if column.placeholder.present?

  # Fix for keeping unique IDs in subform
  id_control = "record_#{column.name}_#{[params[:eid], params[:parent_id] || params[:id]].compact.join '_'}"
  id_control += scope_id(scope) if scope
  
  classes = "#{column.name}-input"
  classes += ' numeric-input' if column.number?

  { :name => name, :class => classes, :id => id_control}.merge(options)
end

#active_scaffold_input_paperclip(column, options) ⇒ Object 



4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/active_scaffold/bridges/paperclip/form_ui.rb', line 4

def active_scaffold_input_paperclip(column, options)
  options = active_scaffold_input_text_options(options.merge(column.options))
  input = file_field(:record, column.name, options)
  paperclip = @record.send("#{column.name}")
  if paperclip.file?
    if ActiveScaffold.js_framework == :jquery
      js_remove_file_code = "$(this).prev().val('true'); $(this).parent().hide().next().show(); return false;";
    else
      js_remove_file_code = "$(this).previous().value='true'; $(this).up().hide().next().show(); return false;";
    end
    
    content = active_scaffold_column_paperclip(@record, column)
    content_tag(:div,
      content + " | " +
        hidden_field(:record, "delete_#{column.name}", :value => "false") +
        content_tag(:a, as_(:remove_file), {:href => '#', :onclick => js_remove_file_code}) 
    ) + content_tag(:div, input, :style => "display: none")
  else
    input
  end
end

#active_scaffold_input_password(column, options) ⇒ Object 



291
292
293
294
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 291

def active_scaffold_input_password(column, options)
  options = active_scaffold_input_text_options(options)
  password_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_plural_association(column, options) ⇒ Object 



224
225
226
227
228
229
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 224

def active_scaffold_input_plural_association(column, options)
  associated_options, select_options = active_scaffold_plural_association_options(column)
  return content_tag(:span, as_(:no_options), :class => options[:class], :id => options[:id]) if select_options.empty?

  active_scaffold_checkbox_list(column, select_options.collect {|r| [r.to_label, r.id]}, associated_options.collect(&:id), options)
end

#active_scaffold_input_radio(column, html_options) ⇒ Object 



279
280
281
282
283
284
285
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 279

def active_scaffold_input_radio(column, html_options)
  html_options.update(column.options[:html_options] || {})
  column.options[:options].inject('') do |html, (text, value)|
    text, value = active_scaffold_translated_option(column, text, value)
    html << content_tag(:label, radio_button(:record, column.name, value, html_options.merge(:id => html_options[:id] + '-' + value.to_s)) + text)
  end.html_safe
end

#active_scaffold_input_range(column, options) ⇒ Object

A slider control for number values (in-browser validation)



334
335
336
337
338
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 334

def active_scaffold_input_range(column, options)
  options = numerical_constraints_for_column(column, options)
  options = active_scaffold_input_text_options(options)
  range_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_select(column, html_options) ⇒ Object 



269
270
271
272
273
274
275
276
277
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 269

def active_scaffold_input_select(column, html_options)
  if column.singular_association?
    active_scaffold_input_singular_association(column, html_options)
  elsif column.plural_association?
    active_scaffold_input_plural_association(column, html_options)
  else
    active_scaffold_input_enum(column, html_options)
  end
end

#active_scaffold_input_singular_association(column, html_options) ⇒ Object 



198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 198

def active_scaffold_input_singular_association(column, html_options)
  associated = @record.send(column.association.name)

  select_options = sorted_association_options_find(column.association)
  select_options.unshift(associated) unless associated.nil? || select_options.include?(associated)

  method = column.name
  options = {:selected => associated.try(:id), :include_blank => as_(:_select_), :object => html_options.delete(:object)}

  html_options.update(column.options[:html_options] || {})
  options.update(column.options)
  html_options[:name] = "#{html_options[:name]}[]" if html_options[:multiple] == true && !html_options[:name].to_s.ends_with?("[]")
  active_scaffold_translate_select_options(options)

  if optgroup = options.delete(:optgroup)
    select(:record, method, active_scaffold_grouped_options(column, select_options, optgroup), options, html_options)
  else
    collection_select(:record, method, select_options, :id, :to_label, options, html_options)
  end
end

#active_scaffold_input_telephone(column, options) ⇒ Object

A text box, that accepts only valid phone-number (in-browser validation)



321
322
323
324
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 321

def active_scaffold_input_telephone(column, options)
  options = active_scaffold_input_text_options(options)
  telephone_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_text_options(options = {}) ⇒ Object

the standard active scaffold options used for textual inputs



81
82
83
84
85
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 81

def active_scaffold_input_text_options(options = {})
  options[:autocomplete] = 'off'
  options[:class] = "#{options[:class]} text-input".strip
  options
end

#active_scaffold_input_textarea(column, options) ⇒ Object 



296
297
298
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 296

def active_scaffold_input_textarea(column, options)
  text_area(:record, column.name, options.merge(:cols => column.options[:cols], :rows => column.options[:rows], :size => column.options[:size]))
end

#active_scaffold_input_url(column, options) ⇒ Object

A text box, that accepts only valid URI (in-browser validation)



315
316
317
318
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 315

def active_scaffold_input_url(column, options)
  options = active_scaffold_input_text_options(options)
  url_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_virtual(column, options) ⇒ Object 



300
301
302
303
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 300

def active_scaffold_input_virtual(column, options)
  options = active_scaffold_input_text_options(options)
  text_field :record, column.name, options.merge(column.options)
end

#active_scaffold_plural_association_options(column) ⇒ Object 



219
220
221
222
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 219

def active_scaffold_plural_association_options(column)
  associated_options = @record.send(column.association.name)
  [associated_options, associated_options | sorted_association_options_find(column.association)]
end

#active_scaffold_render_input(column, options) ⇒ Object 



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 13

def active_scaffold_render_input(column, options)
  begin
    # first, check if the dev has created an override for this specific field
    if (method = override_form_field(column))
      send(method, options[:object] || @record, options)
    # second, check if the dev has specified a valid form_ui for this column
    elsif column.form_ui and (method = override_input(column.form_ui))
      send(method, column, options)
    # fallback: we get to make the decision
    else
      if column.association
        if column.form_ui.nil?
          # its an association and nothing is specified, we will assume form_ui :select
          active_scaffold_input_select(column, options)
        else
          # if we get here, it's because the column has a form_ui but not one ActiveScaffold knows about.
          raise "Unknown form_ui `#{column.form_ui}' for column `#{column.name}'"
        end
      elsif column.virtual?
        options[:value] = format_number_value((options[:object] || @record).send(column.name), column.options) if column.number?
        active_scaffold_input_virtual(column, options)

      else # regular model attribute column
        # if we (or someone else) have created a custom render option for the column type, use that
        if (method = override_input(column.column.type))
          send(method, column, options)
        # final ultimate fallback: use rails' generic input method
        else
          # for textual fields we pass different options
          text_types = [:text, :string, :integer, :float, :decimal, :date, :time, :datetime]
          options = active_scaffold_input_text_options(options) if text_types.include?(column.column.type)
          if column.column.type == :string && options[:maxlength].blank?
            options[:maxlength] = column.column.limit
            options[:size] ||= ActionView::Helpers::InstanceTag::DEFAULT_FIELD_OPTIONS["size"]
          end
          options[:include_blank] = true if column.column.null and [:date, :datetime, :time].include?(column.column.type)
          options[:value] = format_number_value((options[:object] || @record).send(column.name), column.options) if column.number?
          text_field(:record, column.name, options.merge(column.options))
        end
      end
    end
  rescue Exception => e
    logger.error Time.now.to_s + "#{e.inspect} -- on the ActiveScaffold column = :#{column.name} in #{controller.class}"
    raise e
  end
end

#active_scaffold_render_subform_column(column, scope, crud_type, readonly, add_class = false, record = nil) ⇒ Object 



60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 60

def active_scaffold_render_subform_column(column, scope, crud_type, readonly, add_class = false, record = nil)
  Rails.logger.warn "Relying on @record is deprecated, call active_scaffold_render_subform_column with record. Called from #{caller.first.gsub(/(.*:\d+):.*/, '\1')}" if record.nil? # TODO Remove when relying on @record is removed
  record ||= @record # TODO Remove when relying on @record is removed
  if add_class
    col_class = []
    col_class << 'required' if column.required?
    col_class << column.css_class unless column.css_class.nil? || column.css_class.is_a?(Proc)
    col_class << 'hidden' if column_renders_as(column) == :hidden
    col_class << 'checkbox' if column.form_ui == :checkbox
    col_class = col_class.join(' ')
  end
  unless readonly and not record.new_record? or not record.authorized_for?(:crud_type => crud_type, :column => column.name)
    render_column(column, record, column_renders_as(column), scope, false, col_class)
  else
    options = active_scaffold_input_options(column, scope).except(:name)
    options[:class] = "#{options[:class]} #{col_class}" if col_class
    content_tag :span, get_column_value(record, column), options
  end
end

#active_scaffold_translate_select_options(options) ⇒ Object 



192
193
194
195
196
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 192

def active_scaffold_translate_select_options(options)
  options[:include_blank] = as_(options[:include_blank].to_s) if options[:include_blank].is_a? Symbol
  options[:prompt] = as_(options[:prompt].to_s) if options[:prompt].is_a? Symbol
  options
end

#active_scaffold_translated_option(column, text, value = nil) ⇒ Object 



249
250
251
252
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 249

def active_scaffold_translated_option(column, text, value = nil)
  value = text if value.nil?
  [(text.is_a?(Symbol) ? column.active_record_class.human_attribute_name(text) : text), value]
end

#column_renders_as(column) ⇒ Object

Macro-level rendering decisions for columns



404
405
406
407
408
409
410
411
412
413
414
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 404

def column_renders_as(column)
  if column.is_a? ActiveScaffold::DataStructures::ActionColumns
    return :subsection
  elsif column.active_record_class.locking_column.to_s == column.name.to_s or column.form_ui == :hidden
    return :hidden
  elsif column.association.nil? or column.form_ui or !active_scaffold_config_for(column.association.klass).actions.include?(:subform) or override_form_field?(column)
    return :field
  else
    return :subform
  end
end

#column_scope(column, scope = nil, record = nil) ⇒ Object 



416
417
418
419
420
421
422
423
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 416

def column_scope(column, scope = nil, record = nil)
  Rails.logger.warn "Relying on @record is deprecated, call column_scope with record. Called from #{caller.first.gsub(/(.*:\d+):.*/, '\1')}" if record.nil? # TODO Remove when relying on @record is removed
  if column.plural_association?
    "#{scope}[#{column.name}][#{record.id || generate_temporary_id(record)}]"
  else
    "#{scope}[#{column.name}]"
  end
end

#field_attributes(column, record) ⇒ Object 



136
137
138
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 136

def field_attributes(column, record)
  {}
end

#form_attribute(column, record, scope = nil, only_value = false, col_class = nil) ⇒ Object 



152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 152

def form_attribute(column, record, scope = nil, only_value = false, col_class = nil)
  column_options = active_scaffold_input_options(column, scope, :object => record)
  attributes = field_attributes(column, record)
  attributes[:class] = "#{attributes[:class]} #{col_class}" if col_class.present?
  field = unless only_value
    active_scaffold_input_for column, scope, column_options
  else
    content_tag(:span, get_column_value(record, column), column_options.except(:name, :object)) <<
    hidden_field(:record, column.association ? column.association.foreign_key : column.name, column_options)
  end
  
  content_tag :dl, attributes do
    %|<dt>#{label_tag label_for(column, column_options), column.label}</dt><dd>#{field}
#{loading_indicator_tag(:action => :render_field, :id => params[:id]) if column.update_columns}
#{content_tag :span, column.description, :class => 'description' if column.description.present?}
</dd>|.html_safe
  end
end

#form_hidden_attribute(column, record, scope = nil) ⇒ Object 



175
176
177
178
179
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 175

def form_hidden_attribute(column, record, scope = nil)
  %|<dl style="display: none;"><dt></dt><dd>
#{hidden_field :record, column.name, active_scaffold_input_options(column, scope).merge(:object => record)}
</dd></dl>|.html_safe
end

#label_for(column, options) ⇒ Object 



171
172
173
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 171

def label_for(column, options)
  options[:id] unless column.form_ui == :select && column.plural_association?
end

#numerical_constraints_for_column(column, options) ⇒ Object

Try to get numerical constraints from model’s validators



448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 448

def numerical_constraints_for_column(column, options)
  if column.numerical_constraints.nil?
    numerical_constraints = {}
    validators = column.active_record_class.validators.select do |v|
      v.is_a? ActiveModel::Validations::NumericalityValidator and v.attributes.include? column.name
    end
    equal_to = (v = validators.find{ |v| v.options[:equal_to] }) ? v.options[:equal_to] : nil
    
    # If there is equal_to constraint - use it (unless otherwise specified by user)
    if equal_to and not (options[:min] or options[:max])
      numerical_constraints[:min] = numerical_constraints[:max] = equal_to
    else # find minimum and maximum from validators
      # we can safely modify :min and :max by 1 for :greater_tnan or :less_than value only for integer values
      only_integer = column.column.type == :integer if column.column
      only_integer ||= !!validators.find{ |v| v.options[:only_integer] }
      margin = only_integer ? 1 : 0
      
      # Minimum
      unless options[:min]
        min = validators.map{ |v| v.options[:greater_than_or_equal] }.compact.max
        greater_than = validators.map{ |v| v.options[:greater_than] }.compact.max
        numerical_constraints[:min] = [min, (greater_than+margin if greater_than)].compact.max
      end
      
      # Maximum
      unless options[:max]
        max = validators.map{ |v| v.options[:less_than_or_equal] }.compact.min
        less_than = validators.map{ |v| v.options[:less_than] }.compact.min
        numerical_constraints[:max] = [max, (less_than-margin if less_than)].compact.min
      end
      
      # Set step = 2 for column values restricted to be odd or even (but only if minimum is set)
      unless options[:step]
        only_odd_valid  = validators.any?{ |v| v.options[:odd] }
        only_even_valid = validators.any?{ |v| v.options[:even] } unless only_odd_valid
        if !only_integer
          numerical_constraints[:step] ||= "0.#{'0'*(column.column.scale-1)}1" if column.column && column.column.scale.to_i > 0
        elsif options[:min] and options[:min].respond_to? :even? and (only_odd_valid or only_even_valid)
          numerical_constraints[:step] = 2
          numerical_constraints[:min] += 1 if only_odd_valid  and not options[:min].odd?
          numerical_constraints[:min] += 1 if only_even_valid and not options[:min].even?
        end
        numerical_constraints[:step] ||= 'any' unless only_integer
      end
    end
    
    column.numerical_constraints = numerical_constraints
  end
  return column.numerical_constraints.merge(options)
end

#onsubmit ⇒ Object 



353
354
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 353

def onsubmit
end

#override_form_field(column) ⇒ Object Also known as: override_form_field? 



379
380
381
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 379

def override_form_field(column)
  override_helper column, 'form_column'
end

#override_form_field_partial(column) ⇒ Object

the naming convention for overriding form fields with helpers



374
375
376
377
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 374

def override_form_field_partial(column)
  path = active_scaffold_controller_for(column.active_record_class).controller_path
  File.join(path, "#{clean_column_name(column.name)}_form_column")
end

#override_form_field_partial?(column) ⇒ Boolean

Returns:

  • (Boolean) 


369
370
371
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 369

def override_form_field_partial?(column)
  template_exists?(override_form_field_partial(column), true)
end

#override_input(form_ui) ⇒ Object Also known as: override_input?

the naming convention for overriding form input types with helpers



385
386
387
388
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 385

def override_input(form_ui)
  method = "active_scaffold_input_#{form_ui}"
  method if respond_to? method
end

#override_subform_partial(column, subform_partial) ⇒ Object 



365
366
367
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 365

def override_subform_partial(column, subform_partial)
  File.join(active_scaffold_controller_for(column.association.klass).controller_path, subform_partial) if column_renders_as(column) == :subform
end

#override_subform_partial?(column, subform_partial) ⇒ Boolean

add functionality for overriding subform partials from association class path

Returns:

  • (Boolean) 


361
362
363
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 361

def override_subform_partial?(column, subform_partial)
  template_exists?(override_subform_partial(column, subform_partial), true)
end

#render_column(column, record, renders_as, scope = nil, only_value = false, col_class = nil) ⇒ Object 



140
141
142
143
144
145
146
147
148
149
150
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 140

def render_column(column, record, renders_as, scope = nil, only_value = false, col_class = nil)
  if override_form_field_partial?(column)
    render :partial => override_form_field_partial(column), :locals => { :column => column, :only_value => only_value, :scope => scope, :col_class => col_class, :record => record }
  elsif renders_as == :field || override_form_field?(column)
    form_attribute(column, record, scope, only_value, col_class)
  elsif renders_as == :subform
    render :partial => 'form_association', :locals => { :column => column, :scope => scope, :parent_record => record }
  else
    form_hidden_attribute(column, record, scope)
  end
end

#subform_partial_for_column(column) ⇒ Object 



391
392
393
394
395
396
397
398
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 391

def subform_partial_for_column(column)
  subform_partial = "#{active_scaffold_config_for(column.association.klass).subform.layout}_subform"
  if override_subform_partial?(column, subform_partial)
    override_subform_partial(column, subform_partial)
  else
    subform_partial
  end
end

#update_columns_options(column, scope, options) ⇒ Object 



107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
 
# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 107

def update_columns_options(column, scope, options)
  record = options[:object]
  Rails.logger.warn "Relying on @record is deprecated, call update_columns_options with record. Called from #{caller.first.gsub(/(.*:\d+):.*/, '\1')}" if record.nil? # TODO Remove when relying on @record is removed
  record ||= @record # TODO Remove when relying on @record is removed
  form_action = if scope
    subform_controller = controller.class.active_scaffold_controller_for(record.class)
    subform_controller.active_scaffold_config.subform
  elsif [:new, :create, :edit, :update, :render_field].include? params[:action].to_sym
    active_scaffold_config.send(record.new_record? ? :create : :update)
  end
  if form_action && column.update_columns && (column.update_columns & form_action.columns.names).present?
    url_params = params_for(:action => 'render_field', :column => column.name, :id => record.id)
    url_params = url_params.except(:parent_scaffold, :association, nested.param_name) if nested? && scope
    url_params[:eid] = params[:eid] if params[:eid]
    if scope
      url_params[:parent_controller] ||= url_params[:controller]
      url_params[:controller] = subform_controller.controller_path
      url_params[:scope] = scope
      url_params[:parent_id] = params[:parent_id] || params[:id]
    end

    options[:class] = "#{options[:class]} update_form".strip
    options['data-update_url'] = url_for(url_params)
    options['data-update_send_form'] = column.send_form_on_update_column
    options['data-update_send_form_selector'] = column.options[:send_form_selector] if column.options[:send_form_selector]
  end
  options
end