Class: DrgcmsFormFields::Select

Inherits:
DrgcmsField show all
Defined in:
app/models/drgcms_form_fields.rb

Overview

Implementation of select DRG CMS form field.

Form options:

  • name: field name (required)

  • type: select (required)

  • choices: Values for choices separated by comma. Values can also be specified like description:value.

In the example description will be shown to user, but value will be saved to document.

choices: 'OK:0,Ready:1,Error:2'
choices: Ruby,Pyton,PHP

  • eval: Choices will be provided by evaluating expression

    • eval: dc_choices4(‘model_name’,‘description_field_name’,‘_id’); dc_choices4 helper will provide data for select field.

    • eval: ModelName.choices4_field; ModelName class will define method choices4_field which

    will provide data for select field.

    • collection_name.search_field_name.method_name; When searching is more complex custom search

    method may be defined in CollectionName model which will provide result set for search.

  • If choices or eval is not defined choices will be provided from translation helpers. For example: Collection has field status choices for field may be provided by en.helpers.model_name.choices4_status entry of english translation. English is of course default translation. If you provide translations in your local language then select choices will be localized.

    en.helpers.model_name.choices4_status: 'OK:0,Ready:1,Error:2'
sl.helpers.model_name.choices4_status: 'V redu:0,Pripravljen:1,Napaka:2'

  • html: html options which apply to select field (optional)

Form example:

30:
  name: type
  type: select
40:
  name: parent
  type: select
  eval: DcCategory.values_for_parent
  html:
    include_blank: true

Direct Known Subclasses

TextWithSelect

Instance Attribute Summary

Attributes inherited from DrgcmsField

#html, #js

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from DrgcmsField

#hash_to_options, #initialize, #record_text_for, #set_initial_value, #t

Constructor Details

This class inherits a constructor from DrgcmsFormFields::DrgcmsField

Class Method Details

.get_data(params, name) ⇒ Object

Return value.



658
659
660
661
662
663
664
665
666
 
# File 'app/models/drgcms_form_fields.rb', line 658

def self.get_data(params, name)
  if params['record'][name].class == Array
    params['record'][name].delete_if {|e| e.blank? }
    return nil if params['record'][name].size == 0
# convert to BSON objects    
    return params['record'][name].map{ |e| BSON::ObjectId.from_string(e) }
  end
  params['record'][name]
end

Instance Method Details

#do_eval(e) ⇒ Object

Return values, when choices options will be returned by evaluating expression



573
574
575
576
577
578
579
580
 
# File 'app/models/drgcms_form_fields.rb', line 573

def do_eval(e)
  e.strip!
  method = e.split(/\ |\(/).first
  return eval(e) if respond_to?(method) # id method defined here
  return eval('@parent.'+e) if @parent.respond_to?(method) # is method defined in helpers
# eval whatever it is
  eval e
end

#get_choices ⇒ Object

Create choices array for select field.



585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
 
# File 'app/models/drgcms_form_fields.rb', line 585

def get_choices
  begin
    choices = case 
    when @yaml['choices'] then @yaml['choices']
    when @yaml['eval']    then
      do_eval(@yaml['eval'])
    else 
      c = t('helpers.label.' + @form['table'] + '.choices4_' + @yaml['name'] )
      c = 'Error' if c.match( 'translation missing' )
      c
    end
  # Convert string to Array
    choices.class == String ?
      choices.chomp.split(',').inject([]) {|r,v| r << (v.match(':') ? v.split(':') : v )} :
      choices
  rescue Exception => e 
    Rails.logger.debug "Error in select eval. #{e.message}\n"
    ['error'] # return empty array when error occures
  end
end

#render ⇒ Object

Render select field html code



640
641
642
643
644
645
646
647
648
649
650
651
652
653
 
# File 'app/models/drgcms_form_fields.rb', line 640

def render
  return ro_standard if @readonly
  set_initial_value('html','selected')
#
  @yaml['html'].symbolize_keys!
  record = record_text_for(@yaml['name'])
  if @yaml['multiple']  
    @html << @parent.select(record, @yaml['name'], get_choices, @yaml['html'], {multiple: true})
    @js   << "$('##{record}_#{@yaml['name']}').selectMultiple();"
  else
    @html << @parent.select(record, @yaml['name'], get_choices, @yaml['html'])
  end
  self
end

#ro_standard ⇒ Object

Return value when readonly is required



609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
 
# File 'app/models/drgcms_form_fields.rb', line 609

def ro_standard
  value = @record.respond_to?(@yaml['name']) ? @record[@yaml['name']] : nil
  return self if value.nil?
# 
  choices = get_choices()
  if value.class == Array   # multiple choices
    html = ''
    value.each do |element|
      choices.each do |choice|
        if choice.to_s == element.to_s
          html << '<br>' if html.size > 0
          html << "#{element.to_s}"
        end
      end       
    end
    return super(html)
  else
    choices.each do |choice|
      if choice.class == Array
        return super(choice.first) if choice.last.to_s == value.to_s
      else
        return super(choice) if choice.to_s == value.to_s
      end 
    end
  end
  super('')
end