Module: AutocompleteHelper

Defined in:
lib/autocomplete_helper.rb

Instance Method Summary collapse

Instance Method Details

#_uuid ⇒ Object 



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# File 'lib/autocomplete_helper.rb', line 39

def _uuid
  o =  [('a'..'z'),('A'..'Z'),(0..9)].map{|i| i.to_a}.flatten;  
  string  =  (0..10).map{ o[rand(o.length)]  }.join;
end

#autocomplete(options = {}) ⇒ Object

generate autocomplete text-field



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# File 'lib/autocomplete_helper.rb', line 4

def autocomplete(options={})
  return nil unless options[:model]
  
  options[:name] ||= :autocomplete_keyword
  options[:multi] ||= false;
  
  options[:multi_height] ||= 150
  options[:uuid] = _uuid
  
  options[:map][:value] ||= :id
  options[:map][:label] ||= [:name]
  options[:map][:search] ||= []
  
  #txt_name = options[:multi] ? "autocomplete-keyword-#{options[:uuid]}" : options[:name]
  txt_name = "autocomplete-keyword-#{options[:uuid]}"
  
  ret = []
  ret << javascript_include_tag("autocomplete")
  ret << stylesheet_link_tag("autocomplete")
  ret << label_tag(options[:name], options[:model].camelize)
  ret << text_field_tag(txt_name, nil, {
    :onfocus => "Autocomplete(this, " + options.to_json.to_s + ")"
  })
  
  if options[:multi]
    ret << content_tag(:div, '<a class="autocomplete-remove" href="javascript:void(0);">remove selected</a> select <a href="javascript:void(0)" class="autocomplete-select-all">all</a> / <a href="javascript:void(0)" class="autocomplete-select-none">none</a>', :class=>"autocomplete-multi-controls") 
    ret << content_tag(:div, "", :class=>"autocomplete-multi-container", :style=>"height: #{options[:multi_height]}px")
    ret << content_tag(:div, "<span class=\"length\">0</span> items", :class=>"autocomplete-multi-status")
  else
    ret << hidden_field_tag(options[:name], "")
  end
  
  return ret.join("\r\n")
end