Class: Ea::Diagram::SvgRenderer

Inherits:
Object
  • Object
show all
Includes:
Util
Defined in:
lib/ea/diagram/svg_renderer.rb

Overview

Main SVG renderer for EA diagrams

Constant Summary collapse

DEFAULT_OPTIONS = 
{
  padding: 20,
  background_color: "#ffffff",
  grid_visible: false,
  interactive: false,
  css_classes: [],
}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util

#parse_ea_geometry, #parse_geometry_offsets, #style_to_css

Constructor Details

#initialize(diagram_renderer, options = {}) ⇒ SvgRenderer

Returns a new instance of SvgRenderer.



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# File 'lib/ea/diagram/svg_renderer.rb', line 19

def initialize(diagram_renderer, options = {})
  @diagram_renderer = diagram_renderer
  @options = DEFAULT_OPTIONS.merge(options)
  @bounds = diagram_renderer.bounds
  @style_resolver = StyleResolver.new(options[:config_path])
end

Instance Attribute Details

#bounds ⇒ Object (readonly)

Returns the value of attribute bounds.



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# File 'lib/ea/diagram/svg_renderer.rb', line 9

def bounds
  @bounds
end

#diagram_renderer ⇒ Object (readonly)

Returns the value of attribute diagram_renderer.



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# File 'lib/ea/diagram/svg_renderer.rb', line 9

def diagram_renderer
  @diagram_renderer
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/ea/diagram/svg_renderer.rb', line 9

def options
  @options
end

#style_resolver ⇒ Object (readonly)

Returns the value of attribute style_resolver.



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# File 'lib/ea/diagram/svg_renderer.rb', line 9

def style_resolver
  @style_resolver
end

Instance Method Details

#determine_marker_type(connector_type) ⇒ Object

rubocop:disable Metrics/CyclomaticComplexity,Metrics/MethodLength



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# File 'lib/ea/diagram/svg_renderer.rb', line 41

def determine_marker_type(connector_type) # rubocop:disable Metrics/CyclomaticComplexity,Metrics/MethodLength
  normalized_type = connector_type.to_s.downcase

  case normalized_type
  when "generalization", "inheritance"
    { end: "url(#generalization-arrow)" }
  when "aggregation"
    { start: "url(#aggregation-arrow)" }
  when "composition"
    { start: "url(#composition-arrow)" }
  when "dependency"
    { end: "url(#dependency-arrow)" }
  when "realization", "implementation"
    { end: "url(#realization-arrow)" }
  else
    { end: "url(#association-arrow)" }
  end
end

#render ⇒ String

Render the complete SVG diagram

Returns:

  • (String) —

    Complete SVG content



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# File 'lib/ea/diagram/svg_renderer.rb', line 28

def render # rubocop:disable Metrics/AbcSize
  svg_content = +""
  svg_content << svg_header
  svg_content << defs_section
  svg_content << background_layer
  svg_content << grid_layer if options[:grid_visible]
  svg_content << connectors_layer
  svg_content << elements_layer
  svg_content << interactive_layer if options[:interactive]
  svg_content << svg_footer
  svg_content
end