Class: Nitro::AutoCompleteMorpher

Inherits:
SharedMorpher show all
Defined in:
lib/nitro/helper/javascript/morphing.rb

Overview

Adds auto-complete functionality to a standard input field.

Example

<input type=“text” id=“myfield” name=“myfield” auto_complete=“true” />

You need to provide the autocomplete values by means of a custom action: field_id_auto_complete. The method should return a <ul> list. In this example:

def myfield_auto_complete

%{<ul><li>....</ul>}

Instance Method Summary collapse

Methods inherited from SharedMorpher

#record_css, #record_js, #require_script_file

Methods inherited from Morpher

#after_start, #before_end, #initialize

Constructor Details

This class inherits a constructor from Nitro::Morpher

Instance Method Details

#after_end(buffer) ⇒ Object 



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# File 'lib/nitro/helper/javascript/morphing.rb', line 155

def after_end(buffer)
  buffer << %|<div id="#{@id}_auto_complete" class="auto_complete"> </div>|
end

#before_start(buffer) ⇒ Object 



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# File 'lib/nitro/helper/javascript/morphing.rb', line 144

def before_start(buffer)
  require_script_file :prototype, :effects, :controls
  
  id = @id = @attributes['id'] || @attributes['name']    
  update = @attributes['auto_complete_update'] || "#{id}_auto_complete"
  url = @attributes['auto_complete_url'] || "#{id}_auto_complete"    
  js "new Ajax.Autocompleter('#{id}', '#{update}', '#{url}');"

  @attributes.delete(@key)
end