Module: ViewMapper::AutoCompleteView

Defined in:
lib/view_mapper/views/auto_complete/auto_complete_view.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.source_root ⇒ Object 



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# File 'lib/view_mapper/views/auto_complete/auto_complete_view.rb', line 4

def self.source_root
  File.expand_path(File.dirname(__FILE__) + "/templates")
end

Instance Method Details

#auto_complete_attributes ⇒ Object 



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# File 'lib/view_mapper/views/auto_complete/auto_complete_view.rb', line 25

def auto_complete_attributes
  if view_param
    parse_auto_complete_attributes_from_param
  elsif view_only?
    model.text_fields
  else
    []
  end
end

#auto_complete_for_method(attrib) ⇒ Object 



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# File 'lib/view_mapper/views/auto_complete/auto_complete_view.rb', line 21

def auto_complete_for_method(attrib)
  "auto_complete_for_#{singular_name}_#{attrib}"
end

#auto_complete_installed ⇒ Object 



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# File 'lib/view_mapper/views/auto_complete/auto_complete_view.rb', line 72

def auto_complete_installed
  ActionController::Base.methods.include?('auto_complete_for') ||
  ActionController::Base.methods.include?(:auto_complete_for)
end

#manifest ⇒ Object 



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# File 'lib/view_mapper/views/auto_complete/auto_complete_view.rb', line 8

def manifest
  manifest = super
  if @valid
    auto_complete_attributes.each do |attrib|
      manifest.route :name       => 'connect',
                     :path       => auto_complete_for_method(attrib),
                     :controller => controller_file_name,
                     :action     => auto_complete_for_method(attrib)
    end
  end
  manifest
end

#parse_auto_complete_attributes_from_param ⇒ Object 



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# File 'lib/view_mapper/views/auto_complete/auto_complete_view.rb', line 35

def parse_auto_complete_attributes_from_param
  view_param.split(',')
end

#validate ⇒ Object 



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# File 'lib/view_mapper/views/auto_complete/auto_complete_view.rb', line 39

def validate
  super
  @valid &&= validate_auto_complete_attributes
end

#validate_auto_complete_attribute(attrib_name) ⇒ Object 



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# File 'lib/view_mapper/views/auto_complete/auto_complete_view.rb', line 60

def validate_auto_complete_attribute(attrib_name)
  attrib = attributes.find { |a| a.name == attrib_name }
  if attrib.nil?
    logger.error "Field '#{attrib_name}' does not exist."
    return false
  elsif !ModelInfo.is_text_field_attrib_type? attrib.type
    logger.error "Field '#{attrib_name}' is not a text field."
    return false
  end
  true
end

#validate_auto_complete_attributes ⇒ Object 



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# File 'lib/view_mapper/views/auto_complete/auto_complete_view.rb', line 44

def validate_auto_complete_attributes
  if !auto_complete_installed
    logger.error "The auto_complete plugin does not appear to be installed."
    return false
  elsif auto_complete_attributes.empty?
    if view_only?
      logger.error "No text fields exist in the specified class."
    else
      logger.error "No auto_complete attribute specified."
    end
    return false
  else
    !auto_complete_attributes.detect { |a| !validate_auto_complete_attribute(a) }
  end
end