Class: LifeTableModel

Inherits:
AbstractTableModel
  • Object
show all
Defined in:
lib/life_game_viewer/view/life_table_model.rb

Overview

This class is the model used to drive Swing’s JTable. It contains a LifeModel to which it delegates most calls.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(life_model) ⇒ LifeTableModel

Returns a new instance of LifeTableModel.



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 16

def initialize(life_model)
  super()
  @current_num_change_handlers = []
  self.inner_model = life_model
end

Instance Attribute Details

#generations ⇒ Object (readonly)

Returns the value of attribute generations.



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 13

def generations
  @generations
end

#life_model ⇒ Object

Returns the value of attribute life_model.



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 12

def life_model
  @life_model
end

Instance Method Details

#add_current_num_change_handler(callable) ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 80

def add_current_num_change_handler(callable)
  @current_num_change_handlers << callable
end

#at_first_generation? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/life_game_viewer/view/life_table_model.rb', line 43

def at_first_generation?
  generations.at_first_generation?
end

#at_last_generation? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/life_game_viewer/view/life_table_model.rb', line 47

def at_last_generation?
  generations.at_last_generation?
end

#fire_current_number_changed ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 90

def fire_current_number_changed
  @current_num_change_handlers.each do |handler|
    handler.call(generations.current_num)
  end
end

#getColumnCount ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 31

def getColumnCount
  life_model.column_count
end

#getColumnName(colnum) ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 39

def getColumnName(colnum)
  nil
end

#getRowCount ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 27

def getRowCount
  life_model.row_count
end

#getValueAt(row, col) ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 35

def getValueAt(row, col)
  life_model.alive?(row, col)
end

#go_to_first_generation ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 70

def go_to_first_generation
  self.life_model = generations.first
  fire_current_number_changed
end

#go_to_last_generation ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 75

def go_to_last_generation
  self.life_model = generations.last
  fire_current_number_changed
end

#go_to_next_generation ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 55

def go_to_next_generation
  if at_last_generation?
    JOptionPane.show_message_dialog(nil, "Generation ##{generations.current_num} is the last non-repeating generation.")
  else
    self.life_model = generations.next
    fire_current_number_changed
  end
end

#go_to_previous_generation ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 64

def go_to_previous_generation
  raise "Should not have gotten here; already at first generation" if at_first_generation?
  self.life_model = generations.previous
  fire_current_number_changed
end

#inner_model=(life_model) ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 22

def inner_model=(life_model)
  @life_model = life_model
  @generations = Generations.new(life_model)
end

#number_living ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 51

def number_living
  life_model.number_living
end

#reset_model(new_model) ⇒ Object 



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# File 'lib/life_game_viewer/view/life_table_model.rb', line 84

def reset_model(new_model)
  self.inner_model = new_model
  fire_table_structure_changed
  fire_current_number_changed
end