Class: ActiveCharts::RectangularChart

Inherits:
Chart
  • Object
show all
Defined in:
lib/active_charts/rectangular_chart.rb

Direct Known Subclasses

BarChart, XYChart

Constant Summary collapse

TOP_LEFT_OFFSET = 
1

Constants inherited from Chart

Chart::CSS_CLASSES, Chart::MARGIN

Instance Attribute Summary collapse

Attributes inherited from Chart

#collection, #columns_count, #data_formatters, #extra_css_classes, #label_height, #max_values, #rows_count, #series_labels, #title

Instance Method Summary collapse

Methods inherited from Chart

#chart_svg_tag, #legend_list_tag, #to_html

Constructor Details

#initialize(collection, options = {}) ⇒ RectangularChart

Returns a new instance of RectangularChart.



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# File 'lib/active_charts/rectangular_chart.rb', line 5

def initialize(collection, options = {})
  super
  
  prereq_calcs
  
  values = values_calcs
  
  width_calcs(values.map(&width_filter))
  height_calcs(values.map(&height_filter))
end

Instance Attribute Details

#grid_height ⇒ Object (readonly)

Returns the value of attribute grid_height.



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# File 'lib/active_charts/rectangular_chart.rb', line 16

def grid_height
  @grid_height
end

#grid_width ⇒ Object (readonly)

Returns the value of attribute grid_width.



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# File 'lib/active_charts/rectangular_chart.rb', line 16

def grid_width
  @grid_width
end

#svg_height ⇒ Object (readonly)

Returns the value of attribute svg_height.



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# File 'lib/active_charts/rectangular_chart.rb', line 16

def svg_height
  @svg_height
end

#svg_width ⇒ Object (readonly)

Returns the value of attribute svg_width.



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# File 'lib/active_charts/rectangular_chart.rb', line 16

def svg_width
  @svg_width
end

Instance Method Details

#grid_rect_tag ⇒ Object 



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# File 'lib/active_charts/rectangular_chart.rb', line 18

def grid_rect_tag
  tag.rect(
    x: TOP_LEFT_OFFSET,
    y: TOP_LEFT_OFFSET,
    height: grid_height - TOP_LEFT_OFFSET * 2, 
    width: grid_width - TOP_LEFT_OFFSET * 2, 
    class: 'grid'
  )
end