Class: GlimmerKlondikeSolitaire::Model::ColumnPile

Inherits:
Object
  • Object
show all
Includes:
Glimmer::DataBinding::ObservableModel
Defined in:
app/glimmer_klondike_solitaire/model/column_pile.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(game, count) ⇒ ColumnPile

Returns a new instance of ColumnPile.



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# File 'app/glimmer_klondike_solitaire/model/column_pile.rb', line 7

def initialize(game, count)
  @game = game
  @count = count
  reset!
end

Instance Attribute Details

#count ⇒ Object (readonly)

Returns the value of attribute count.



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# File 'app/glimmer_klondike_solitaire/model/column_pile.rb', line 5

def count
  @count
end

Instance Method Details

#add!(new_playing_card) ⇒ Object

this method validates that playing card fits at the bottom of the column (opposite color and one number smaller) throws an error if it does not fit



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# File 'app/glimmer_klondike_solitaire/model/column_pile.rb', line 29

def add!(new_playing_card)
  bottom_card = playing_cards.last
  if (playing_cards.empty? && new_playing_card.rank == 13) ||
      (new_playing_card.color != bottom_card.color && new_playing_card.rank == (bottom_card.rank - 1))
    playing_cards.push(new_playing_card)
  else
    raise "Cannot add #{new_playing_card} to #{self}"
  end
end

#playing_cards ⇒ Object 



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# File 'app/glimmer_klondike_solitaire/model/column_pile.rb', line 51

def playing_cards
  @playing_cards ||= []
end

#populate!(new_playing_cards) ⇒ Object

this method does not validate



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# File 'app/glimmer_klondike_solitaire/model/column_pile.rb', line 20

def populate!(new_playing_cards)
  new_playing_cards.each_with_index do |playing_card, index|
    playing_card.hidden = true if index < (new_playing_cards.size - 1)
    playing_cards.push(playing_card)
  end
end

#remove!(card) ⇒ Object 



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# File 'app/glimmer_klondike_solitaire/model/column_pile.rb', line 39

def remove!(card)
  remove_cards_starting_at(playing_cards.index(card)).tap do |result|
    playing_cards.last&.hidden = false
  end
end

#remove_cards_starting_at(index) ⇒ Object 



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# File 'app/glimmer_klondike_solitaire/model/column_pile.rb', line 45

def remove_cards_starting_at(index)
  removed_cards = playing_cards[index...playing_cards.size]
  playing_cards[index...playing_cards.size] = []
  removed_cards
end

#reset! ⇒ Object 



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# File 'app/glimmer_klondike_solitaire/model/column_pile.rb', line 13

def reset!
  playing_cards.clear
  populate!(count.times.map { @game.deck.pop })
  notify_observers(:playing_cards)
end

#to_s ⇒ Object 



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# File 'app/glimmer_klondike_solitaire/model/column_pile.rb', line 55

def to_s
  "Column Pile #{count} (#{playing_cards.map {|card| "#{card.rank}#{card.suit.to_s[0].upcase}"}.join(" | ")})"
end