Class: Compendium::Presenters::Chart

Inherits:
Query
  • Object
show all
Defined in:
app/classes/compendium/presenters/chart.rb

Instance Attribute Summary collapse

Attributes inherited from Query

#filters, #metrics, #name, #proc, #report, #results

Instance Method Summary collapse

Methods inherited from Query

#add_filter, #add_metric, #chart, #empty?, #initialize_clone, #nil?, #ran?, #render_chart, #render_table, #run, #url

Constructor Details

#initialize(template, object, *args, &setup) ⇒ Chart

Returns a new instance of Chart.



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# File 'app/classes/compendium/presenters/chart.rb', line 9

def initialize(template, object, *args, &setup)
  super(template, object)

  self.options = args.extract_options!
  type, container = args

  if remote?
    # If the query hasn't run yet, render a chart that loads its data remotely (ie. through AJAX)
    # ie. if rendering a query from a report class directly
    @data = query.url
    @params = collect_params
  else
    @data = options[:index] ? results.records[options[:index]] : results
    @data = @data.records if @data.is_a?(Compendium::ResultSet)
    @data = @data[0...-1] if query.options[:totals]
  end

  @container = container || query.name

  initialize_chart_provider(type, &setup)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object (private) 



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# File 'app/classes/compendium/presenters/chart.rb', line 74

def method_missing(name, *args, &block)
  return chart_provider.send(name, *args, &block) if chart_provider.respond_to?(name)
  super
end

Instance Attribute Details

#chart_provider ⇒ Object (readonly)

Returns the value of attribute chart_provider.



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# File 'app/classes/compendium/presenters/chart.rb', line 6

def chart_provider
  @chart_provider
end

#container ⇒ Object (readonly)

Returns the value of attribute container.



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# File 'app/classes/compendium/presenters/chart.rb', line 6

def container
  @container
end

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'app/classes/compendium/presenters/chart.rb', line 6

def data
  @data
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'app/classes/compendium/presenters/chart.rb', line 7

def options
  @options
end

#params ⇒ Object (readonly)

Returns the value of attribute params.



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# File 'app/classes/compendium/presenters/chart.rb', line 6

def params
  @params
end

Instance Method Details

#render ⇒ Object 



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# File 'app/classes/compendium/presenters/chart.rb', line 31

def render
  chart_provider.render(@template, @container)
end