Class: DrgcmsFormFields::TextAutocomplete

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

Overview

Implementation of text_autocomplete DRG CMS form field.

Form options:

  • name: field name (required)

  • type: text_autocomplete (required)

  • table Collection (table) name. When defined search must contain field name

  • with_new Will add an icon for shortcut to add new document to collection

  • not_id Field value represent value not an id. Field will save entered value when not selected wit autocomplete.

  • search: Search may consist of three parameters from which are separated either by dot (.)

    • search_field_name; when table option is defined search must define field name which will be used for search query

    • collection_name.search_field_name; Same as above except that table options must be ommited.

    • 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.

Form example:

10:
  name: user_id
  type: text_autocomplete
  search: dc_user.name
  html:
    size: 30

Instance Attribute Summary

Attributes inherited from DrgcmsField

#css, #js

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from DrgcmsField

#css_code, #hash_to_options, #html, #initialize, #record_text_for, #ro_standard, #set_css_code, #set_initial_value, #set_style, #t

Constructor Details

This class inherits a constructor from DrgcmsFormFields::DrgcmsField

Class Method Details

.get_data(params, name) ⇒ Object

Return value. Return nil if input field is empty



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# File 'app/models/drgcms_form_fields/text_autocomplete.rb', line 150

def self.get_data(params, name)
  params['record']["_#{name}"].blank? ? nil : params['record'][name]
end

Instance Method Details

#render ⇒ Object

Render text_autocomplete field html code



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# File 'app/models/drgcms_form_fields/text_autocomplete.rb', line 53

def render
# Return descriptive text and put it into input field
# search field name
  if @yaml['search'].class == Hash
    table    = @yaml['search']['table']
    ret_name = @yaml['search']['field']
    method   = @yaml['search']['method']
  elsif @yaml['search'].match(/\./)
    table, ret_name, method = @yaml['search'].split('.') 
  else
    ret_name = @yaml['search']
  end
# determine table name 
  if @yaml['table']
    table = if @yaml['table'].class == String
      @yaml['table']
# eval(how_to_get_my_table_name)    
    elsif @yaml['table']['eval']
      eval @yaml['table']['eval']
    else
      Rails.logger.error "Field #{@yaml['name']}: Invalid table parameter!"
      nil
    end
  end
  return 'Table or field keyword not defined!' unless (table and ret_name)
# TODO check if table exists 
  t = table.classify.constantize
# find record and return value of field
  value_send_as = 'p_' + @yaml['name']
  value = if @parent.params[value_send_as]
    @parent.params[value_send_as]
  elsif @record and @record[@yaml['name']]
    @record[@yaml['name']]
  end
# Found value to be written in field. If field is not found write out value.
  if value
    record = t.find(value) unless @yaml['not_id'] # don't if it's is not an id
    value_displayed = record ? record.send(ret_name) : value
  end
# return if readonly
  #return ro_standard(value_displayed) if @readonly
# Add method back, so autocomplete will know that it must search for method inside class
  ret_name = "#{ret_name}.#{method}" if method
  @yaml['html'] ||= {}
  @yaml['html']['value'] = value_displayed
  @yaml['html']['placeholder'] ||= t('drgcms.search_placeholder') || nil
#    
  _name = '_' + @yaml['name']
  record = record_text_for(@yaml['name'])  
  @html << @parent.text_field(record, _name, @yaml['html'])
  if @yaml['with_new']
    @html << ' ' + 
             @parent.fa_icon('plus-square lg', class: 'in-edit-add', title: t('drgcms.new'), 
             style: "vertical-align: top;", 'data-table' => @yaml['with_new'] )    
  end
  @html << @parent.hidden_field(record, @yaml['name'], value: value)        # actual value will be in hidden field
# JS stuff
# allow unselected values on not_id: true option
  not_id_code = %Q[
if (ui.item == null) {  
$("##{record}_#{@yaml['name']}").val($("##{record}__#{@yaml['name']}").val() );
return;
}
] if @yaml['not_id']             
#  
  @js << <<EOJS
$(document).ready(function() {
  $("##{record}_#{_name}").autocomplete( {
    source: function(request, response) {
      $.ajax({
        url: '/dc_common/autocomplete',
        type: "POST",
        dataType: "json",
        data: { input: request.term, table: "#{table}", search: "#{ret_name}" #{(',id: "'+@yaml['id'] + '"') if @yaml['id']} },
        success: function(data) {
          response( $.map( data, function(key) {
            return key;
          }));
        }
      });
    },
    change: function (event, ui) { 
      #{not_id_code}
      $("##{record}_#{@yaml['name']}").val(ui.item.id);
      
    },
    minLength: 2
  });
});
EOJS
    
  self 
end