26 lines
611 B
CoffeeScript
26 lines
611 B
CoffeeScript
class ItemList
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constructor: (@item_class, @key) ->
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@items = []
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@items_bykey = {}
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sync: (rows, item_class, key) ->
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@items.splice(0, @items.length) # Empty items
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for row in rows
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current_obj = @items_bykey[row[@key]]
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if current_obj
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current_obj.row = row
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@items.push current_obj
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else
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item = new @item_class(row, @)
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@items_bykey[row[@key]] = item
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@items.push item
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deleteItem: (item) ->
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index = @items.indexOf(item)
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if index > -1
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@items.splice(index, 1)
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else
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console.log "Can't delete item", item
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delete @items_bykey[item.row[@key]]
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window.ItemList = ItemList |