Class: LazyHighCharts::HighChart

Inherits:
Object
  • Object
show all
Defined in:
lib/lazy_high_charts/high_chart.rb

Constant Summary collapse

CANVAS_DEFAULT_HTML_OPTIONS = 
{ :style => "height: 300px, width:615px" }
SERIES_OPTIONS = 
%w(lines points bars shadowSize colors)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(canvas = nil, html_opts = {}) ⇒ HighChart

Returns a new instance of HighChart.



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# File 'lib/lazy_high_charts/high_chart.rb', line 10

def initialize(canvas = nil, html_opts = {})

  @collection_filter = nil
  self.tap do |high_chart|
    high_chart.data       ||= []
    high_chart.options    ||= {}
    high_chart.defaults_options
    high_chart.html_options = html_opts.reverse_merge(CANVAS_DEFAULT_HTML_OPTIONS)
    high_chart.canvas       = canvas if canvas
    yield high_chart if block_given?
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth, opts = {}) ⇒ Object

Pass other methods through to the javascript high_chart object.

For instance: high_chart.grid(:color => "#699")



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# File 'lib/lazy_high_charts/high_chart.rb', line 42

def method_missing(meth, opts = {})
  merge_options meth, opts
end

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/lazy_high_charts/high_chart.rb', line 6

def data
  @data
end

#html_options ⇒ Object

Returns the value of attribute html_options.



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# File 'lib/lazy_high_charts/high_chart.rb', line 6

def html_options
  @html_options
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/lazy_high_charts/high_chart.rb', line 6

def options
  @options
end

#placeholder ⇒ Object Also known as: canvas

Returns the value of attribute placeholder.



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# File 'lib/lazy_high_charts/high_chart.rb', line 6

def placeholder
  @placeholder
end

Instance Method Details

#defaults_options ⇒ Object

title: legend: xAxis: yAxis: tooltip: credits: :plotOptions



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# File 'lib/lazy_high_charts/high_chart.rb', line 25

def defaults_options
  self.title({ :text=>"example test title from highcharts gem"})
  self.legend({ :layout=>"vertical", :style=>{} }) 
  self.xAxis({})
  self.yAxis({ :title=> {:text=> nil}, :labels=>{} })
  self.tooltip({ :enabled=>true })
  self.credits({ :enabled => false})
  self.plotOptions({ :areaspline => { } })
  self.chart({ :defaultSeriesType=>"areaspline" , :renderTo => nil})
  self.subtitle({})
end

#series(opts = {}) ⇒ Object

Add a simple series to the graph:

data = [[0,5], [1,5], [2,5]]
@high_chart.series :name=>'Updated', :data=>data
@high_chart.series :name=>'Updated', :data=>[5, 1, 6, 1, 5, 4, 9]



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# File 'lib/lazy_high_charts/high_chart.rb', line 52

def series(opts = {})
  @data ||= []
  if opts.blank?
    @data << series_options.merge(:name => label, :data => d)
  else
    @data << opts.merge(:name => opts[:name], :data => opts[:data])
  end
end