nikoli/views/nurikabe.coffee

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class Nikoli.Nurikabe extends Nikoli.Game
constructor: (@board, @name = 'nurikabe') ->
super @board, @name
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errors: ->
solution = @toArray()
errors = []
black_stream = new Nikoli.Stream(solution)
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white_walls = []
for i in [0...solution.length]
row = solution[i]
for j in [0...row.length]
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cell = new Nikoli.Cell(i, j, solution)
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if cell.value < 0
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if black_stream.empty()
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black_stream.calculate(cell)
else if !black_stream.include(cell)
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errors.push {row: i, column: j, message: 'The stream must be continuous'}
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# TODO check for pools
else if cell.value > 0
if white_walls.some((wall) -> wall.include(cell))
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errors.push {row: i, column: j, message: 'Each wall must contain exactly one numbered cell.'}
else
wall = new Nikoli.Stream(solution)
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wall.calculate(cell)
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if wall.length() != cell.value
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errors.push {row: i, column: j, message: 'Each numbered cell is a wall cell, the number in it is the number of cells in that wall.'}
white_walls.push(wall)
errors
generate: (game, solution = false) ->
@game = game if game?
@grid.innerHTML = @game.map((row) ->
'<div class="grid-row">' + row.map((cell) ->
if cell <= 0
color_class = 'black' if solution && cell == -1
"<div class=\"grid-cell empty #{color_class}\">&nbsp;</div>"
else
"<div class=\"grid-cell white\">#{cell}</div>"
).join('') + '</div>'
).join('')
for cell in board.querySelectorAll('.empty')
cell.addEventListener 'click', ((evenment) => @toggle evenment.target), false
return
toggle: (cell) ->
if cell.classList.contains 'black'
cell.classList.remove 'black'
cell.classList.add 'white'
else if cell.classList.contains 'white'
cell.classList.remove 'white'
else
cell.classList.add 'black'
toArray: ->
[].map.call @grid.querySelectorAll('.grid-row'), (row) ->
[].map.call row.querySelectorAll('.grid-cell'), (cell) ->
if cell.classList.contains('empty')
if cell.classList.contains('black')
-1
else
0
else
parseInt(cell.innerHTML)