Class: Xsdvi::SVG::Symbols::Choice

Inherits:
Xsdvi::SVG::Symbol show all
Defined in:
lib/xsdvi/svg/symbols/choice.rb

Overview

Symbol for XSD choice compositor

Constant Summary

Constants inherited from Xsdvi::SVG::Symbol

Xsdvi::SVG::Symbol::MAX_HEIGHT, Xsdvi::SVG::Symbol::MID_HEIGHT, Xsdvi::SVG::Symbol::MIN_HEIGHT, Xsdvi::SVG::Symbol::MIN_WIDTH, Xsdvi::SVG::Symbol::PC_LAX, Xsdvi::SVG::Symbol::PC_SKIP, Xsdvi::SVG::Symbol::PC_STRICT, Xsdvi::SVG::Symbol::X_INDENT, Xsdvi::SVG::Symbol::Y_INDENT

Instance Attribute Summary collapse

Attributes inherited from Xsdvi::SVG::Symbol

#additional_height, #description, #description_string_array, #height, #start_y_position, #svg, #width, #x_position, #y_position, #y_shift

Attributes inherited from Tree::Element

#children, #parent

Instance Method Summary collapse

Methods inherited from Xsdvi::SVG::Symbol

#prepare_box, reset_class_variables, #x_end, #y_end

Methods inherited from Tree::Element

#add_child, #children?, #code, #first_child?, #index, #last_child, #last_child?, #parent?

Constructor Details

#initialize ⇒ Choice

Returns a new instance of Choice.



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# File 'lib/xsdvi/svg/symbols/choice.rb', line 12

def initialize
  super
  @cardinality = nil
end

Instance Attribute Details

#cardinality ⇒ Object

Returns the value of attribute cardinality.



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# File 'lib/xsdvi/svg/symbols/choice.rb', line 10

def cardinality
  @cardinality
end

Instance Method Details

#calculate_height ⇒ Object 



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# File 'lib/xsdvi/svg/symbols/choice.rb', line 40

def calculate_height
  MID_HEIGHT
end

#calculate_width ⇒ Object 



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# File 'lib/xsdvi/svg/symbols/choice.rb', line 34

def calculate_width
  calc = Utils::WidthCalculator.new(MIN_WIDTH)
  calc.new_width(15, cardinality)
  calc.width
end

#draw ⇒ Object 



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# File 'lib/xsdvi/svg/symbols/choice.rb', line 17

def draw
  process_description
  draw_g_start
  print("<rect class='boxcompositor' x='0' y='8' width='#{width}' " \
        "height='#{height}' rx='9'/>")
  print("<circle cx='#{(width / 2) + 12}' cy='14' r='2'/>")
  print("<circle class='empty' cx='#{(width / 2) + 12}' cy='23' r='2'/>")
  print("<circle class='empty' cx='#{(width / 2) + 12}' cy='32' r='2'/>")
  print("<polyline points='#{(width / 2) - 4},23 #{(width / 2) + 4},23 " \
        "#{(width / 2) + 4},14 #{(width / 2) + 10},14'/>")
  print("<text x='5' y='52'>#{cardinality}</text>") if cardinality
  draw_description(52)
  draw_connection
  draw_use
  draw_g_end
end