Module: Rbgct

Defined in:
lib/rbgct.rb,
lib/rbgct/version.rb,
lib/rbgct/chart_factory.rb

Defined Under Namespace

Modules: Charts Classes: ChartFactory, NotImplementedError

Constant Summary collapse

VERSION = 
"0.2.1"

Class Method Summary collapse

Class Method Details

.include_javascript(packages = ['corechart','table']) ⇒ Object 



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# File 'lib/rbgct.rb', line 11

def self.include_javascript(packages=['corechart','table'])
<<-EOL
<script type="text/javascript" src="//www.google.com/jsapi"></script>
<script type="text/javascript">
var rbgct = {

  "graphs" : {},

  "loadedPackages" : [],

  "packages" : ['#{packages.join("\',\'")}'],

  "drawGraphs"  : (function(){
      for(var i in rbgct.graphs){
        rbgct.graphs[i]();
      }
  }),

  "loadPackages" : (function(){
    for(var i in rbgct.packages){
      if( rbgct.loadedPackages.indexOf(rbgct.packages[i]) == -1 ){
        google.load('visualization', '1', {packages: [rbgct.packages[i]]}); 
        rbgct.loadedPackages.push(rbgct.packages[i]); 
      }
    }
    google.setOnLoadCallback(rbgct.drawGraphs)
  })
};
rbgct.loadPackages();
</script>
EOL
end

.render(data, opts = {}) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/rbgct.rb', line 44

def self.render(data, opts={})
  raise ArgumentError.new('Dataset must respond to :each') unless data.respond_to?(:each)
  chart = ChartFactory[opts[:type]].new(data,opts)
  chart.render
end