Module: Brick::Rails::FormBuilder

Defined in:
lib/brick/rails/form_builder.rb

Constant Summary collapse

DT_PICKERS = 
{ datetime: 'datetimepicker', timestamp: 'datetimepicker', time: 'timepicker', date: 'datepicker' }

Instance Method Summary collapse

Instance Method Details

#brick_field(method, html_options = {}, val = nil, col = nil, bt = nil, bt_class = nil, bt_name = nil, bt_pair = nil) ⇒ Object

Render an editable field When it’s one of these types, will set an appropriate instance variable truthy accordingly:

@_text_fields_present - To include trix editor
@_date_fields_present - To include flatpickr date / time editor
@_json_fields_present - To include JSONEditor



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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
 
# File 'lib/brick/rails/form_builder.rb', line 9

def brick_field(method, html_options = {}, val = nil, col = nil,
                bt = nil, bt_class = nil, bt_name = nil, bt_pair = nil)
  model = self.object.class
  col ||= model.columns_hash[method]
  out = +'<table><tr><td>'
  html_options[:class] = 'dimmed' unless val
  is_revert = true
  template = instance_variable_get(:@template)
  if bt
    bt_class ||= bt[1].first.first
    bt_name ||= bt[1].map { |x| x.first.name }.join('/')
    bt_pair ||= bt[1].first

    html_options[:prompt] = "Select #{bt_name}"
    out << self.select(method.to_sym, bt[3], { value: val || '^^^brick_NULL^^^' }, html_options)
    bt_obj = nil
    begin
      bt_obj = bt_class&.find_by(bt_pair[1] => val)
    rescue ActiveRecord::SubclassNotFound => e
      # %%% Would be cool to indicate to the user that a subclass is missing.
      # Its name starts at:  e.message.index('failed to locate the subclass: ') + 31
    end
    bt_link = if bt_obj
                bt_path = template.send(
                            "#{bt_class.base_class._brick_index(:singular)}_path".to_sym,
                            bt_obj.send(bt_class.primary_key.to_sym)
                          )
                template.link_to('⇛', bt_path, { class: 'show-arrow' })
              elsif val
                "<span class=\"orphan\">Orphaned ID: #{val}</span>".html_safe
              end
    out << bt_link if bt_link
  elsif model._brick_monetized_attributes&.include?(method)
    out << self.text_field(method.to_sym, html_options.merge({ value: Money.new(val.to_i).format }))
  else
    col_type = if model.json_column?(col) || val.is_a?(Array)
                 :json
               elsif col&.sql_type == 'geography'
                 col.sql_type
               else
                 col&.type
               end
    case (col_type ||= col&.sql_type)
    when :string, :text, :citext,
         :enum # Support for the activerecord-mysql-enum gem
      spit_out_text_field = nil
      if ::Brick::Rails.is_bcrypt?(val) # || .readonly?
        is_revert = false
        out << ::Brick::Rails.hide_bcrypt(val, nil, 1000)
      elsif col_type == :string
        if model.respond_to?(:uploaders) && model.uploaders.key?(col.name&.to_sym) &&
           (url = self.object.send(col.name)&.url) # Carrierwave image?
          out << "<img src=\"#{url}\" title=\"#{val}\">"
        elsif model.respond_to?(:enumerized_attributes) && (opts = (attr = model.enumerized_attributes[method])&.options).present?
          enum_html_options = attr.kind_of?(Enumerize::Multiple) ? html_options.merge({ multiple: true, size: opts.length + 1 }) : html_options
          out << self.select(method.to_sym, [["(No #{method} chosen)", '^^^brick_NULL^^^']] + opts, { value: val || '^^^brick_NULL^^^' }, enum_html_options)
        else
          spit_out_text_field = true
        end
      elsif col_type == :enum
        if col.respond_to?(:limit) && col.limit.present?
          out << self.select(method.to_sym, [["(No #{method} chosen)", '^^^brick_NULL^^^']] + col.limit, { value: val.to_s || '^^^brick_NULL^^^' }, html_options)
        else
          spit_out_text_field = true
        end
      else
        template.instance_variable_set(:@_text_fields_present, true)
        out << self.hidden_field(method.to_sym, html_options)
        out << "<trix-editor input=\"#{self.field_id(method)}\"></trix-editor>"
      end
      out << self.text_field(method.to_sym, html_options) if spit_out_text_field
    when :boolean
      out << self.check_box(method.to_sym)
    when :integer, :decimal, :float
      if model.respond_to?(:attribute_types) && (enum_type = model.attribute_types[method]).is_a?(ActiveRecord::Enum::EnumType)
        opts = enum_type.send(:mapping)&.each_with_object([]) { |v, s| s << [v.first, v.first] } || []
        out << self.select(method.to_sym, [["(No #{method} chosen)", '^^^brick_NULL^^^']] + opts, { value: val || '^^^brick_NULL^^^' }, options)
      else
        digit_pattern = col_type == :integer ? '(?:-|)\d*' : '(?:-|)\d*(?:\.\d*|)'
        # Used to do this for float / decimal:  self.number_field method.to_sym
        out << self.text_field(method.to_sym, { pattern: digit_pattern, class: 'check-validity' })
      end
    when *DT_PICKERS.keys
      template.instance_variable_set(:@_date_fields_present, true)
      out << self.text_field(method.to_sym, { class: DT_PICKERS[col_type] })
    when :uuid
      is_revert = false
      # Postgres naturally uses the +uuid_generate_v4()+ function from the uuid-ossp extension
      # If it's not yet enabled then:  create extension \"uuid-ossp\";
      # ActiveUUID gem created a new :uuid type
      out << val if val
    when :ltree
      # In Postgres labels of data stored in a hierarchical tree-like structure
      # If it's not yet enabled then:  create extension ltree;
      out << val if val
    when :binary
      is_revert = false
      if val
        out << if ::Brick.is_geography?(val)
                 ::Brick::Rails.display_value('geography', val)
               else
                 ::Brick::Rails.display_binary(val)
               end
      end
    when :file, :files
      if attached = begin
                      self.object.send(method)
                    rescue
                    end
        # Show any existing image(s)
        existing = []
        got_one = nil
        (attached.respond_to?(:attachments) ? attached.attachments : [attached]).each do |attachment|
          next unless (blob = attachment.blob)

          existing << blob.key
          out << "#{blob.filename}<br>"
          url = begin
                  self.object.send(method)&.url
                rescue StandardError => e
                  # Another possible option:
                  # Rails.application.routes.url_helpers.rails_blob_path(attachment, only_path: true)
                  Rails.application.routes.url_helpers.rails_storage_proxy_path(attachment, only_path: true)
                end
          out << if url
                   "<img src=\"#{url}\" title=\"#{val}\">"
                 else # Convert the raw binary to a Base64 image
                   ::Brick::Rails.display_binary(attachment.download, 500_000)
                 end
          got_one = true
          out << '<br>'
        end
        out << 'Update: ' if got_one
      end
      out << self.hidden_field("_brick_attached_#{method}", value: existing.join(',')) unless existing.blank?
      # Render a "Choose File(s)" input element
      args = [method.to_sym]
      args << { multiple: true } if col&.type == :files
      out << self.file_field(*args)
    when :primary_key
      is_revert = false
    when :json, :jsonb
      template.instance_variable_set(:@_json_fields_present, true)
      if val.is_a?(String)
        val_str = val
      else
        eheij = ActiveSupport::JSON::Encoding.escape_html_entities_in_json
        ActiveSupport::JSON::Encoding.escape_html_entities_in_json = false if eheij
        val_str = val&.to_json
        ActiveSupport::JSON::Encoding.escape_html_entities_in_json = eheij
      end
      # Because there are so danged many quotes in JSON, escape them specially by converting to backticks.
      # (and previous to this, escape backticks with our own goofy code of ^^br_btick__ )
      out << (json_field = self.hidden_field(method.to_sym, { class: 'jsonpicker', value: val_str&.gsub('`', '^^br_btick__')&.tr('\"', '`')&.html_safe }))
      out << "<div id=\"_br_json_#{self.field_id(method)}\"></div>"
    else
      is_revert = false
      out << (::Brick::Rails.display_value(col_type, val)&.html_safe || '')
    end
  end
  if is_revert
    out << "</td>
"
    out << '<td><svg class="revert" width="1.5em" viewBox="0 0 512 512"><use xlink:href="#revertPath" /></svg>'
  end
  out << "</td></tr></table>
"
  out.html_safe
end