Class: Cards::CardWall

Inherits:
Builder show all
Defined in:
lib/cards/card_wall.rb

Direct Known Subclasses

SwimLanes

Defined Under Namespace

Classes: DefinitionContext

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CardWall

Returns a new instance of CardWall.



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# File 'lib/cards/card_wall.rb', line 33

def initialize
  @handlers = []
  @layouts = []
  @root = Card.new("root")
  @root.layout = RowLayout.new
  @root.y = -1
  @last_cards = [@root]
end

Class Method Details

.colors ⇒ Object 



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# File 'lib/cards/card_wall.rb', line 14

def self.colors
  @colors ||= {
    :role => :blue,
    :activity => :blue,
    :task => :red,
    :story => :yellow
  }
end

.from(parser, &block) ⇒ Object 



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# File 'lib/cards/card_wall.rb', line 23

def self.from(parser, &block)
  builder = self.new.define(&block)

  parser.each_row do |row|
    builder.process(row)
  end

  builder.show(@writer_class.new(parser.default_output_file))
end

.writer=(writer_class) ⇒ Object 



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# File 'lib/cards/card_wall.rb', line 10

def self.writer=(writer_class)
  @writer_class = writer_class
end

Instance Method Details

#add_handler(type, layout, &block) ⇒ Object 



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# File 'lib/cards/card_wall.rb', line 50

def add_handler(type, layout, &block)
  i = @handlers.size
  @handlers << type
  @root.layout = layout if @layouts.empty?
  @layouts << layout
  (class << self; self; end).module_eval do
    define_method("add_#{type}") do |name, row|
      card = yield(name, row)
      card.layout = @layouts[i+1]
      card.color ||= CardWall.colors[type] || :white
      @last_cards[i].add(card)
      @last_cards[i+1] = card
    end
  end
end

#define(&block) ⇒ Object 



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# File 'lib/cards/card_wall.rb', line 5

def define(&block)
  DefinitionContext.new(self).instance_eval(&block)
  self
end

#process(row) ⇒ Object 



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# File 'lib/cards/card_wall.rb', line 42

def process(row)
  @handlers.each do |handler|
    unless row[handler].blank?
      send("add_#{handler}", row[handler], row)
    end
  end
end

#show(output) ⇒ Object 



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# File 'lib/cards/card_wall.rb', line 66

def show(output)
  @root.layout
  @root.visit {|card| output.create_card(card.name, card.color, card.cell) unless card == @root}
end